/*! markmap-lib v0.4.2 | MIT License */
(function (exports) {
'use strict';
// List of valid entities
//
// Generate with ./support/entities.js script
//
/*eslint quotes:0*/
var entities = {
"Aacute":"\u00C1",
"aacute":"\u00E1",
"Abreve":"\u0102",
"abreve":"\u0103",
"ac":"\u223E",
"acd":"\u223F",
"acE":"\u223E\u0333",
"Acirc":"\u00C2",
"acirc":"\u00E2",
"acute":"\u00B4",
"Acy":"\u0410",
"acy":"\u0430",
"AElig":"\u00C6",
"aelig":"\u00E6",
"af":"\u2061",
"Afr":"\uD835\uDD04",
"afr":"\uD835\uDD1E",
"Agrave":"\u00C0",
"agrave":"\u00E0",
"alefsym":"\u2135",
"aleph":"\u2135",
"Alpha":"\u0391",
"alpha":"\u03B1",
"Amacr":"\u0100",
"amacr":"\u0101",
"amalg":"\u2A3F",
"AMP":"\u0026",
"amp":"\u0026",
"And":"\u2A53",
"and":"\u2227",
"andand":"\u2A55",
"andd":"\u2A5C",
"andslope":"\u2A58",
"andv":"\u2A5A",
"ang":"\u2220",
"ange":"\u29A4",
"angle":"\u2220",
"angmsd":"\u2221",
"angmsdaa":"\u29A8",
"angmsdab":"\u29A9",
"angmsdac":"\u29AA",
"angmsdad":"\u29AB",
"angmsdae":"\u29AC",
"angmsdaf":"\u29AD",
"angmsdag":"\u29AE",
"angmsdah":"\u29AF",
"angrt":"\u221F",
"angrtvb":"\u22BE",
"angrtvbd":"\u299D",
"angsph":"\u2222",
"angst":"\u00C5",
"angzarr":"\u237C",
"Aogon":"\u0104",
"aogon":"\u0105",
"Aopf":"\uD835\uDD38",
"aopf":"\uD835\uDD52",
"ap":"\u2248",
"apacir":"\u2A6F",
"apE":"\u2A70",
"ape":"\u224A",
"apid":"\u224B",
"apos":"\u0027",
"ApplyFunction":"\u2061",
"approx":"\u2248",
"approxeq":"\u224A",
"Aring":"\u00C5",
"aring":"\u00E5",
"Ascr":"\uD835\uDC9C",
"ascr":"\uD835\uDCB6",
"Assign":"\u2254",
"ast":"\u002A",
"asymp":"\u2248",
"asympeq":"\u224D",
"Atilde":"\u00C3",
"atilde":"\u00E3",
"Auml":"\u00C4",
"auml":"\u00E4",
"awconint":"\u2233",
"awint":"\u2A11",
"backcong":"\u224C",
"backepsilon":"\u03F6",
"backprime":"\u2035",
"backsim":"\u223D",
"backsimeq":"\u22CD",
"Backslash":"\u2216",
"Barv":"\u2AE7",
"barvee":"\u22BD",
"Barwed":"\u2306",
"barwed":"\u2305",
"barwedge":"\u2305",
"bbrk":"\u23B5",
"bbrktbrk":"\u23B6",
"bcong":"\u224C",
"Bcy":"\u0411",
"bcy":"\u0431",
"bdquo":"\u201E",
"becaus":"\u2235",
"Because":"\u2235",
"because":"\u2235",
"bemptyv":"\u29B0",
"bepsi":"\u03F6",
"bernou":"\u212C",
"Bernoullis":"\u212C",
"Beta":"\u0392",
"beta":"\u03B2",
"beth":"\u2136",
"between":"\u226C",
"Bfr":"\uD835\uDD05",
"bfr":"\uD835\uDD1F",
"bigcap":"\u22C2",
"bigcirc":"\u25EF",
"bigcup":"\u22C3",
"bigodot":"\u2A00",
"bigoplus":"\u2A01",
"bigotimes":"\u2A02",
"bigsqcup":"\u2A06",
"bigstar":"\u2605",
"bigtriangledown":"\u25BD",
"bigtriangleup":"\u25B3",
"biguplus":"\u2A04",
"bigvee":"\u22C1",
"bigwedge":"\u22C0",
"bkarow":"\u290D",
"blacklozenge":"\u29EB",
"blacksquare":"\u25AA",
"blacktriangle":"\u25B4",
"blacktriangledown":"\u25BE",
"blacktriangleleft":"\u25C2",
"blacktriangleright":"\u25B8",
"blank":"\u2423",
"blk12":"\u2592",
"blk14":"\u2591",
"blk34":"\u2593",
"block":"\u2588",
"bne":"\u003D\u20E5",
"bnequiv":"\u2261\u20E5",
"bNot":"\u2AED",
"bnot":"\u2310",
"Bopf":"\uD835\uDD39",
"bopf":"\uD835\uDD53",
"bot":"\u22A5",
"bottom":"\u22A5",
"bowtie":"\u22C8",
"boxbox":"\u29C9",
"boxDL":"\u2557",
"boxDl":"\u2556",
"boxdL":"\u2555",
"boxdl":"\u2510",
"boxDR":"\u2554",
"boxDr":"\u2553",
"boxdR":"\u2552",
"boxdr":"\u250C",
"boxH":"\u2550",
"boxh":"\u2500",
"boxHD":"\u2566",
"boxHd":"\u2564",
"boxhD":"\u2565",
"boxhd":"\u252C",
"boxHU":"\u2569",
"boxHu":"\u2567",
"boxhU":"\u2568",
"boxhu":"\u2534",
"boxminus":"\u229F",
"boxplus":"\u229E",
"boxtimes":"\u22A0",
"boxUL":"\u255D",
"boxUl":"\u255C",
"boxuL":"\u255B",
"boxul":"\u2518",
"boxUR":"\u255A",
"boxUr":"\u2559",
"boxuR":"\u2558",
"boxur":"\u2514",
"boxV":"\u2551",
"boxv":"\u2502",
"boxVH":"\u256C",
"boxVh":"\u256B",
"boxvH":"\u256A",
"boxvh":"\u253C",
"boxVL":"\u2563",
"boxVl":"\u2562",
"boxvL":"\u2561",
"boxvl":"\u2524",
"boxVR":"\u2560",
"boxVr":"\u255F",
"boxvR":"\u255E",
"boxvr":"\u251C",
"bprime":"\u2035",
"Breve":"\u02D8",
"breve":"\u02D8",
"brvbar":"\u00A6",
"Bscr":"\u212C",
"bscr":"\uD835\uDCB7",
"bsemi":"\u204F",
"bsim":"\u223D",
"bsime":"\u22CD",
"bsol":"\u005C",
"bsolb":"\u29C5",
"bsolhsub":"\u27C8",
"bull":"\u2022",
"bullet":"\u2022",
"bump":"\u224E",
"bumpE":"\u2AAE",
"bumpe":"\u224F",
"Bumpeq":"\u224E",
"bumpeq":"\u224F",
"Cacute":"\u0106",
"cacute":"\u0107",
"Cap":"\u22D2",
"cap":"\u2229",
"capand":"\u2A44",
"capbrcup":"\u2A49",
"capcap":"\u2A4B",
"capcup":"\u2A47",
"capdot":"\u2A40",
"CapitalDifferentialD":"\u2145",
"caps":"\u2229\uFE00",
"caret":"\u2041",
"caron":"\u02C7",
"Cayleys":"\u212D",
"ccaps":"\u2A4D",
"Ccaron":"\u010C",
"ccaron":"\u010D",
"Ccedil":"\u00C7",
"ccedil":"\u00E7",
"Ccirc":"\u0108",
"ccirc":"\u0109",
"Cconint":"\u2230",
"ccups":"\u2A4C",
"ccupssm":"\u2A50",
"Cdot":"\u010A",
"cdot":"\u010B",
"cedil":"\u00B8",
"Cedilla":"\u00B8",
"cemptyv":"\u29B2",
"cent":"\u00A2",
"CenterDot":"\u00B7",
"centerdot":"\u00B7",
"Cfr":"\u212D",
"cfr":"\uD835\uDD20",
"CHcy":"\u0427",
"chcy":"\u0447",
"check":"\u2713",
"checkmark":"\u2713",
"Chi":"\u03A7",
"chi":"\u03C7",
"cir":"\u25CB",
"circ":"\u02C6",
"circeq":"\u2257",
"circlearrowleft":"\u21BA",
"circlearrowright":"\u21BB",
"circledast":"\u229B",
"circledcirc":"\u229A",
"circleddash":"\u229D",
"CircleDot":"\u2299",
"circledR":"\u00AE",
"circledS":"\u24C8",
"CircleMinus":"\u2296",
"CirclePlus":"\u2295",
"CircleTimes":"\u2297",
"cirE":"\u29C3",
"cire":"\u2257",
"cirfnint":"\u2A10",
"cirmid":"\u2AEF",
"cirscir":"\u29C2",
"ClockwiseContourIntegral":"\u2232",
"CloseCurlyDoubleQuote":"\u201D",
"CloseCurlyQuote":"\u2019",
"clubs":"\u2663",
"clubsuit":"\u2663",
"Colon":"\u2237",
"colon":"\u003A",
"Colone":"\u2A74",
"colone":"\u2254",
"coloneq":"\u2254",
"comma":"\u002C",
"commat":"\u0040",
"comp":"\u2201",
"compfn":"\u2218",
"complement":"\u2201",
"complexes":"\u2102",
"cong":"\u2245",
"congdot":"\u2A6D",
"Congruent":"\u2261",
"Conint":"\u222F",
"conint":"\u222E",
"ContourIntegral":"\u222E",
"Copf":"\u2102",
"copf":"\uD835\uDD54",
"coprod":"\u2210",
"Coproduct":"\u2210",
"COPY":"\u00A9",
"copy":"\u00A9",
"copysr":"\u2117",
"CounterClockwiseContourIntegral":"\u2233",
"crarr":"\u21B5",
"Cross":"\u2A2F",
"cross":"\u2717",
"Cscr":"\uD835\uDC9E",
"cscr":"\uD835\uDCB8",
"csub":"\u2ACF",
"csube":"\u2AD1",
"csup":"\u2AD0",
"csupe":"\u2AD2",
"ctdot":"\u22EF",
"cudarrl":"\u2938",
"cudarrr":"\u2935",
"cuepr":"\u22DE",
"cuesc":"\u22DF",
"cularr":"\u21B6",
"cularrp":"\u293D",
"Cup":"\u22D3",
"cup":"\u222A",
"cupbrcap":"\u2A48",
"CupCap":"\u224D",
"cupcap":"\u2A46",
"cupcup":"\u2A4A",
"cupdot":"\u228D",
"cupor":"\u2A45",
"cups":"\u222A\uFE00",
"curarr":"\u21B7",
"curarrm":"\u293C",
"curlyeqprec":"\u22DE",
"curlyeqsucc":"\u22DF",
"curlyvee":"\u22CE",
"curlywedge":"\u22CF",
"curren":"\u00A4",
"curvearrowleft":"\u21B6",
"curvearrowright":"\u21B7",
"cuvee":"\u22CE",
"cuwed":"\u22CF",
"cwconint":"\u2232",
"cwint":"\u2231",
"cylcty":"\u232D",
"Dagger":"\u2021",
"dagger":"\u2020",
"daleth":"\u2138",
"Darr":"\u21A1",
"dArr":"\u21D3",
"darr":"\u2193",
"dash":"\u2010",
"Dashv":"\u2AE4",
"dashv":"\u22A3",
"dbkarow":"\u290F",
"dblac":"\u02DD",
"Dcaron":"\u010E",
"dcaron":"\u010F",
"Dcy":"\u0414",
"dcy":"\u0434",
"DD":"\u2145",
"dd":"\u2146",
"ddagger":"\u2021",
"ddarr":"\u21CA",
"DDotrahd":"\u2911",
"ddotseq":"\u2A77",
"deg":"\u00B0",
"Del":"\u2207",
"Delta":"\u0394",
"delta":"\u03B4",
"demptyv":"\u29B1",
"dfisht":"\u297F",
"Dfr":"\uD835\uDD07",
"dfr":"\uD835\uDD21",
"dHar":"\u2965",
"dharl":"\u21C3",
"dharr":"\u21C2",
"DiacriticalAcute":"\u00B4",
"DiacriticalDot":"\u02D9",
"DiacriticalDoubleAcute":"\u02DD",
"DiacriticalGrave":"\u0060",
"DiacriticalTilde":"\u02DC",
"diam":"\u22C4",
"Diamond":"\u22C4",
"diamond":"\u22C4",
"diamondsuit":"\u2666",
"diams":"\u2666",
"die":"\u00A8",
"DifferentialD":"\u2146",
"digamma":"\u03DD",
"disin":"\u22F2",
"div":"\u00F7",
"divide":"\u00F7",
"divideontimes":"\u22C7",
"divonx":"\u22C7",
"DJcy":"\u0402",
"djcy":"\u0452",
"dlcorn":"\u231E",
"dlcrop":"\u230D",
"dollar":"\u0024",
"Dopf":"\uD835\uDD3B",
"dopf":"\uD835\uDD55",
"Dot":"\u00A8",
"dot":"\u02D9",
"DotDot":"\u20DC",
"doteq":"\u2250",
"doteqdot":"\u2251",
"DotEqual":"\u2250",
"dotminus":"\u2238",
"dotplus":"\u2214",
"dotsquare":"\u22A1",
"doublebarwedge":"\u2306",
"DoubleContourIntegral":"\u222F",
"DoubleDot":"\u00A8",
"DoubleDownArrow":"\u21D3",
"DoubleLeftArrow":"\u21D0",
"DoubleLeftRightArrow":"\u21D4",
"DoubleLeftTee":"\u2AE4",
"DoubleLongLeftArrow":"\u27F8",
"DoubleLongLeftRightArrow":"\u27FA",
"DoubleLongRightArrow":"\u27F9",
"DoubleRightArrow":"\u21D2",
"DoubleRightTee":"\u22A8",
"DoubleUpArrow":"\u21D1",
"DoubleUpDownArrow":"\u21D5",
"DoubleVerticalBar":"\u2225",
"DownArrow":"\u2193",
"Downarrow":"\u21D3",
"downarrow":"\u2193",
"DownArrowBar":"\u2913",
"DownArrowUpArrow":"\u21F5",
"DownBreve":"\u0311",
"downdownarrows":"\u21CA",
"downharpoonleft":"\u21C3",
"downharpoonright":"\u21C2",
"DownLeftRightVector":"\u2950",
"DownLeftTeeVector":"\u295E",
"DownLeftVector":"\u21BD",
"DownLeftVectorBar":"\u2956",
"DownRightTeeVector":"\u295F",
"DownRightVector":"\u21C1",
"DownRightVectorBar":"\u2957",
"DownTee":"\u22A4",
"DownTeeArrow":"\u21A7",
"drbkarow":"\u2910",
"drcorn":"\u231F",
"drcrop":"\u230C",
"Dscr":"\uD835\uDC9F",
"dscr":"\uD835\uDCB9",
"DScy":"\u0405",
"dscy":"\u0455",
"dsol":"\u29F6",
"Dstrok":"\u0110",
"dstrok":"\u0111",
"dtdot":"\u22F1",
"dtri":"\u25BF",
"dtrif":"\u25BE",
"duarr":"\u21F5",
"duhar":"\u296F",
"dwangle":"\u29A6",
"DZcy":"\u040F",
"dzcy":"\u045F",
"dzigrarr":"\u27FF",
"Eacute":"\u00C9",
"eacute":"\u00E9",
"easter":"\u2A6E",
"Ecaron":"\u011A",
"ecaron":"\u011B",
"ecir":"\u2256",
"Ecirc":"\u00CA",
"ecirc":"\u00EA",
"ecolon":"\u2255",
"Ecy":"\u042D",
"ecy":"\u044D",
"eDDot":"\u2A77",
"Edot":"\u0116",
"eDot":"\u2251",
"edot":"\u0117",
"ee":"\u2147",
"efDot":"\u2252",
"Efr":"\uD835\uDD08",
"efr":"\uD835\uDD22",
"eg":"\u2A9A",
"Egrave":"\u00C8",
"egrave":"\u00E8",
"egs":"\u2A96",
"egsdot":"\u2A98",
"el":"\u2A99",
"Element":"\u2208",
"elinters":"\u23E7",
"ell":"\u2113",
"els":"\u2A95",
"elsdot":"\u2A97",
"Emacr":"\u0112",
"emacr":"\u0113",
"empty":"\u2205",
"emptyset":"\u2205",
"EmptySmallSquare":"\u25FB",
"emptyv":"\u2205",
"EmptyVerySmallSquare":"\u25AB",
"emsp":"\u2003",
"emsp13":"\u2004",
"emsp14":"\u2005",
"ENG":"\u014A",
"eng":"\u014B",
"ensp":"\u2002",
"Eogon":"\u0118",
"eogon":"\u0119",
"Eopf":"\uD835\uDD3C",
"eopf":"\uD835\uDD56",
"epar":"\u22D5",
"eparsl":"\u29E3",
"eplus":"\u2A71",
"epsi":"\u03B5",
"Epsilon":"\u0395",
"epsilon":"\u03B5",
"epsiv":"\u03F5",
"eqcirc":"\u2256",
"eqcolon":"\u2255",
"eqsim":"\u2242",
"eqslantgtr":"\u2A96",
"eqslantless":"\u2A95",
"Equal":"\u2A75",
"equals":"\u003D",
"EqualTilde":"\u2242",
"equest":"\u225F",
"Equilibrium":"\u21CC",
"equiv":"\u2261",
"equivDD":"\u2A78",
"eqvparsl":"\u29E5",
"erarr":"\u2971",
"erDot":"\u2253",
"Escr":"\u2130",
"escr":"\u212F",
"esdot":"\u2250",
"Esim":"\u2A73",
"esim":"\u2242",
"Eta":"\u0397",
"eta":"\u03B7",
"ETH":"\u00D0",
"eth":"\u00F0",
"Euml":"\u00CB",
"euml":"\u00EB",
"euro":"\u20AC",
"excl":"\u0021",
"exist":"\u2203",
"Exists":"\u2203",
"expectation":"\u2130",
"ExponentialE":"\u2147",
"exponentiale":"\u2147",
"fallingdotseq":"\u2252",
"Fcy":"\u0424",
"fcy":"\u0444",
"female":"\u2640",
"ffilig":"\uFB03",
"fflig":"\uFB00",
"ffllig":"\uFB04",
"Ffr":"\uD835\uDD09",
"ffr":"\uD835\uDD23",
"filig":"\uFB01",
"FilledSmallSquare":"\u25FC",
"FilledVerySmallSquare":"\u25AA",
"fjlig":"\u0066\u006A",
"flat":"\u266D",
"fllig":"\uFB02",
"fltns":"\u25B1",
"fnof":"\u0192",
"Fopf":"\uD835\uDD3D",
"fopf":"\uD835\uDD57",
"ForAll":"\u2200",
"forall":"\u2200",
"fork":"\u22D4",
"forkv":"\u2AD9",
"Fouriertrf":"\u2131",
"fpartint":"\u2A0D",
"frac12":"\u00BD",
"frac13":"\u2153",
"frac14":"\u00BC",
"frac15":"\u2155",
"frac16":"\u2159",
"frac18":"\u215B",
"frac23":"\u2154",
"frac25":"\u2156",
"frac34":"\u00BE",
"frac35":"\u2157",
"frac38":"\u215C",
"frac45":"\u2158",
"frac56":"\u215A",
"frac58":"\u215D",
"frac78":"\u215E",
"frasl":"\u2044",
"frown":"\u2322",
"Fscr":"\u2131",
"fscr":"\uD835\uDCBB",
"gacute":"\u01F5",
"Gamma":"\u0393",
"gamma":"\u03B3",
"Gammad":"\u03DC",
"gammad":"\u03DD",
"gap":"\u2A86",
"Gbreve":"\u011E",
"gbreve":"\u011F",
"Gcedil":"\u0122",
"Gcirc":"\u011C",
"gcirc":"\u011D",
"Gcy":"\u0413",
"gcy":"\u0433",
"Gdot":"\u0120",
"gdot":"\u0121",
"gE":"\u2267",
"ge":"\u2265",
"gEl":"\u2A8C",
"gel":"\u22DB",
"geq":"\u2265",
"geqq":"\u2267",
"geqslant":"\u2A7E",
"ges":"\u2A7E",
"gescc":"\u2AA9",
"gesdot":"\u2A80",
"gesdoto":"\u2A82",
"gesdotol":"\u2A84",
"gesl":"\u22DB\uFE00",
"gesles":"\u2A94",
"Gfr":"\uD835\uDD0A",
"gfr":"\uD835\uDD24",
"Gg":"\u22D9",
"gg":"\u226B",
"ggg":"\u22D9",
"gimel":"\u2137",
"GJcy":"\u0403",
"gjcy":"\u0453",
"gl":"\u2277",
"gla":"\u2AA5",
"glE":"\u2A92",
"glj":"\u2AA4",
"gnap":"\u2A8A",
"gnapprox":"\u2A8A",
"gnE":"\u2269",
"gne":"\u2A88",
"gneq":"\u2A88",
"gneqq":"\u2269",
"gnsim":"\u22E7",
"Gopf":"\uD835\uDD3E",
"gopf":"\uD835\uDD58",
"grave":"\u0060",
"GreaterEqual":"\u2265",
"GreaterEqualLess":"\u22DB",
"GreaterFullEqual":"\u2267",
"GreaterGreater":"\u2AA2",
"GreaterLess":"\u2277",
"GreaterSlantEqual":"\u2A7E",
"GreaterTilde":"\u2273",
"Gscr":"\uD835\uDCA2",
"gscr":"\u210A",
"gsim":"\u2273",
"gsime":"\u2A8E",
"gsiml":"\u2A90",
"GT":"\u003E",
"Gt":"\u226B",
"gt":"\u003E",
"gtcc":"\u2AA7",
"gtcir":"\u2A7A",
"gtdot":"\u22D7",
"gtlPar":"\u2995",
"gtquest":"\u2A7C",
"gtrapprox":"\u2A86",
"gtrarr":"\u2978",
"gtrdot":"\u22D7",
"gtreqless":"\u22DB",
"gtreqqless":"\u2A8C",
"gtrless":"\u2277",
"gtrsim":"\u2273",
"gvertneqq":"\u2269\uFE00",
"gvnE":"\u2269\uFE00",
"Hacek":"\u02C7",
"hairsp":"\u200A",
"half":"\u00BD",
"hamilt":"\u210B",
"HARDcy":"\u042A",
"hardcy":"\u044A",
"hArr":"\u21D4",
"harr":"\u2194",
"harrcir":"\u2948",
"harrw":"\u21AD",
"Hat":"\u005E",
"hbar":"\u210F",
"Hcirc":"\u0124",
"hcirc":"\u0125",
"hearts":"\u2665",
"heartsuit":"\u2665",
"hellip":"\u2026",
"hercon":"\u22B9",
"Hfr":"\u210C",
"hfr":"\uD835\uDD25",
"HilbertSpace":"\u210B",
"hksearow":"\u2925",
"hkswarow":"\u2926",
"hoarr":"\u21FF",
"homtht":"\u223B",
"hookleftarrow":"\u21A9",
"hookrightarrow":"\u21AA",
"Hopf":"\u210D",
"hopf":"\uD835\uDD59",
"horbar":"\u2015",
"HorizontalLine":"\u2500",
"Hscr":"\u210B",
"hscr":"\uD835\uDCBD",
"hslash":"\u210F",
"Hstrok":"\u0126",
"hstrok":"\u0127",
"HumpDownHump":"\u224E",
"HumpEqual":"\u224F",
"hybull":"\u2043",
"hyphen":"\u2010",
"Iacute":"\u00CD",
"iacute":"\u00ED",
"ic":"\u2063",
"Icirc":"\u00CE",
"icirc":"\u00EE",
"Icy":"\u0418",
"icy":"\u0438",
"Idot":"\u0130",
"IEcy":"\u0415",
"iecy":"\u0435",
"iexcl":"\u00A1",
"iff":"\u21D4",
"Ifr":"\u2111",
"ifr":"\uD835\uDD26",
"Igrave":"\u00CC",
"igrave":"\u00EC",
"ii":"\u2148",
"iiiint":"\u2A0C",
"iiint":"\u222D",
"iinfin":"\u29DC",
"iiota":"\u2129",
"IJlig":"\u0132",
"ijlig":"\u0133",
"Im":"\u2111",
"Imacr":"\u012A",
"imacr":"\u012B",
"image":"\u2111",
"ImaginaryI":"\u2148",
"imagline":"\u2110",
"imagpart":"\u2111",
"imath":"\u0131",
"imof":"\u22B7",
"imped":"\u01B5",
"Implies":"\u21D2",
"in":"\u2208",
"incare":"\u2105",
"infin":"\u221E",
"infintie":"\u29DD",
"inodot":"\u0131",
"Int":"\u222C",
"int":"\u222B",
"intcal":"\u22BA",
"integers":"\u2124",
"Integral":"\u222B",
"intercal":"\u22BA",
"Intersection":"\u22C2",
"intlarhk":"\u2A17",
"intprod":"\u2A3C",
"InvisibleComma":"\u2063",
"InvisibleTimes":"\u2062",
"IOcy":"\u0401",
"iocy":"\u0451",
"Iogon":"\u012E",
"iogon":"\u012F",
"Iopf":"\uD835\uDD40",
"iopf":"\uD835\uDD5A",
"Iota":"\u0399",
"iota":"\u03B9",
"iprod":"\u2A3C",
"iquest":"\u00BF",
"Iscr":"\u2110",
"iscr":"\uD835\uDCBE",
"isin":"\u2208",
"isindot":"\u22F5",
"isinE":"\u22F9",
"isins":"\u22F4",
"isinsv":"\u22F3",
"isinv":"\u2208",
"it":"\u2062",
"Itilde":"\u0128",
"itilde":"\u0129",
"Iukcy":"\u0406",
"iukcy":"\u0456",
"Iuml":"\u00CF",
"iuml":"\u00EF",
"Jcirc":"\u0134",
"jcirc":"\u0135",
"Jcy":"\u0419",
"jcy":"\u0439",
"Jfr":"\uD835\uDD0D",
"jfr":"\uD835\uDD27",
"jmath":"\u0237",
"Jopf":"\uD835\uDD41",
"jopf":"\uD835\uDD5B",
"Jscr":"\uD835\uDCA5",
"jscr":"\uD835\uDCBF",
"Jsercy":"\u0408",
"jsercy":"\u0458",
"Jukcy":"\u0404",
"jukcy":"\u0454",
"Kappa":"\u039A",
"kappa":"\u03BA",
"kappav":"\u03F0",
"Kcedil":"\u0136",
"kcedil":"\u0137",
"Kcy":"\u041A",
"kcy":"\u043A",
"Kfr":"\uD835\uDD0E",
"kfr":"\uD835\uDD28",
"kgreen":"\u0138",
"KHcy":"\u0425",
"khcy":"\u0445",
"KJcy":"\u040C",
"kjcy":"\u045C",
"Kopf":"\uD835\uDD42",
"kopf":"\uD835\uDD5C",
"Kscr":"\uD835\uDCA6",
"kscr":"\uD835\uDCC0",
"lAarr":"\u21DA",
"Lacute":"\u0139",
"lacute":"\u013A",
"laemptyv":"\u29B4",
"lagran":"\u2112",
"Lambda":"\u039B",
"lambda":"\u03BB",
"Lang":"\u27EA",
"lang":"\u27E8",
"langd":"\u2991",
"langle":"\u27E8",
"lap":"\u2A85",
"Laplacetrf":"\u2112",
"laquo":"\u00AB",
"Larr":"\u219E",
"lArr":"\u21D0",
"larr":"\u2190",
"larrb":"\u21E4",
"larrbfs":"\u291F",
"larrfs":"\u291D",
"larrhk":"\u21A9",
"larrlp":"\u21AB",
"larrpl":"\u2939",
"larrsim":"\u2973",
"larrtl":"\u21A2",
"lat":"\u2AAB",
"lAtail":"\u291B",
"latail":"\u2919",
"late":"\u2AAD",
"lates":"\u2AAD\uFE00",
"lBarr":"\u290E",
"lbarr":"\u290C",
"lbbrk":"\u2772",
"lbrace":"\u007B",
"lbrack":"\u005B",
"lbrke":"\u298B",
"lbrksld":"\u298F",
"lbrkslu":"\u298D",
"Lcaron":"\u013D",
"lcaron":"\u013E",
"Lcedil":"\u013B",
"lcedil":"\u013C",
"lceil":"\u2308",
"lcub":"\u007B",
"Lcy":"\u041B",
"lcy":"\u043B",
"ldca":"\u2936",
"ldquo":"\u201C",
"ldquor":"\u201E",
"ldrdhar":"\u2967",
"ldrushar":"\u294B",
"ldsh":"\u21B2",
"lE":"\u2266",
"le":"\u2264",
"LeftAngleBracket":"\u27E8",
"LeftArrow":"\u2190",
"Leftarrow":"\u21D0",
"leftarrow":"\u2190",
"LeftArrowBar":"\u21E4",
"LeftArrowRightArrow":"\u21C6",
"leftarrowtail":"\u21A2",
"LeftCeiling":"\u2308",
"LeftDoubleBracket":"\u27E6",
"LeftDownTeeVector":"\u2961",
"LeftDownVector":"\u21C3",
"LeftDownVectorBar":"\u2959",
"LeftFloor":"\u230A",
"leftharpoondown":"\u21BD",
"leftharpoonup":"\u21BC",
"leftleftarrows":"\u21C7",
"LeftRightArrow":"\u2194",
"Leftrightarrow":"\u21D4",
"leftrightarrow":"\u2194",
"leftrightarrows":"\u21C6",
"leftrightharpoons":"\u21CB",
"leftrightsquigarrow":"\u21AD",
"LeftRightVector":"\u294E",
"LeftTee":"\u22A3",
"LeftTeeArrow":"\u21A4",
"LeftTeeVector":"\u295A",
"leftthreetimes":"\u22CB",
"LeftTriangle":"\u22B2",
"LeftTriangleBar":"\u29CF",
"LeftTriangleEqual":"\u22B4",
"LeftUpDownVector":"\u2951",
"LeftUpTeeVector":"\u2960",
"LeftUpVector":"\u21BF",
"LeftUpVectorBar":"\u2958",
"LeftVector":"\u21BC",
"LeftVectorBar":"\u2952",
"lEg":"\u2A8B",
"leg":"\u22DA",
"leq":"\u2264",
"leqq":"\u2266",
"leqslant":"\u2A7D",
"les":"\u2A7D",
"lescc":"\u2AA8",
"lesdot":"\u2A7F",
"lesdoto":"\u2A81",
"lesdotor":"\u2A83",
"lesg":"\u22DA\uFE00",
"lesges":"\u2A93",
"lessapprox":"\u2A85",
"lessdot":"\u22D6",
"lesseqgtr":"\u22DA",
"lesseqqgtr":"\u2A8B",
"LessEqualGreater":"\u22DA",
"LessFullEqual":"\u2266",
"LessGreater":"\u2276",
"lessgtr":"\u2276",
"LessLess":"\u2AA1",
"lesssim":"\u2272",
"LessSlantEqual":"\u2A7D",
"LessTilde":"\u2272",
"lfisht":"\u297C",
"lfloor":"\u230A",
"Lfr":"\uD835\uDD0F",
"lfr":"\uD835\uDD29",
"lg":"\u2276",
"lgE":"\u2A91",
"lHar":"\u2962",
"lhard":"\u21BD",
"lharu":"\u21BC",
"lharul":"\u296A",
"lhblk":"\u2584",
"LJcy":"\u0409",
"ljcy":"\u0459",
"Ll":"\u22D8",
"ll":"\u226A",
"llarr":"\u21C7",
"llcorner":"\u231E",
"Lleftarrow":"\u21DA",
"llhard":"\u296B",
"lltri":"\u25FA",
"Lmidot":"\u013F",
"lmidot":"\u0140",
"lmoust":"\u23B0",
"lmoustache":"\u23B0",
"lnap":"\u2A89",
"lnapprox":"\u2A89",
"lnE":"\u2268",
"lne":"\u2A87",
"lneq":"\u2A87",
"lneqq":"\u2268",
"lnsim":"\u22E6",
"loang":"\u27EC",
"loarr":"\u21FD",
"lobrk":"\u27E6",
"LongLeftArrow":"\u27F5",
"Longleftarrow":"\u27F8",
"longleftarrow":"\u27F5",
"LongLeftRightArrow":"\u27F7",
"Longleftrightarrow":"\u27FA",
"longleftrightarrow":"\u27F7",
"longmapsto":"\u27FC",
"LongRightArrow":"\u27F6",
"Longrightarrow":"\u27F9",
"longrightarrow":"\u27F6",
"looparrowleft":"\u21AB",
"looparrowright":"\u21AC",
"lopar":"\u2985",
"Lopf":"\uD835\uDD43",
"lopf":"\uD835\uDD5D",
"loplus":"\u2A2D",
"lotimes":"\u2A34",
"lowast":"\u2217",
"lowbar":"\u005F",
"LowerLeftArrow":"\u2199",
"LowerRightArrow":"\u2198",
"loz":"\u25CA",
"lozenge":"\u25CA",
"lozf":"\u29EB",
"lpar":"\u0028",
"lparlt":"\u2993",
"lrarr":"\u21C6",
"lrcorner":"\u231F",
"lrhar":"\u21CB",
"lrhard":"\u296D",
"lrm":"\u200E",
"lrtri":"\u22BF",
"lsaquo":"\u2039",
"Lscr":"\u2112",
"lscr":"\uD835\uDCC1",
"Lsh":"\u21B0",
"lsh":"\u21B0",
"lsim":"\u2272",
"lsime":"\u2A8D",
"lsimg":"\u2A8F",
"lsqb":"\u005B",
"lsquo":"\u2018",
"lsquor":"\u201A",
"Lstrok":"\u0141",
"lstrok":"\u0142",
"LT":"\u003C",
"Lt":"\u226A",
"lt":"\u003C",
"ltcc":"\u2AA6",
"ltcir":"\u2A79",
"ltdot":"\u22D6",
"lthree":"\u22CB",
"ltimes":"\u22C9",
"ltlarr":"\u2976",
"ltquest":"\u2A7B",
"ltri":"\u25C3",
"ltrie":"\u22B4",
"ltrif":"\u25C2",
"ltrPar":"\u2996",
"lurdshar":"\u294A",
"luruhar":"\u2966",
"lvertneqq":"\u2268\uFE00",
"lvnE":"\u2268\uFE00",
"macr":"\u00AF",
"male":"\u2642",
"malt":"\u2720",
"maltese":"\u2720",
"Map":"\u2905",
"map":"\u21A6",
"mapsto":"\u21A6",
"mapstodown":"\u21A7",
"mapstoleft":"\u21A4",
"mapstoup":"\u21A5",
"marker":"\u25AE",
"mcomma":"\u2A29",
"Mcy":"\u041C",
"mcy":"\u043C",
"mdash":"\u2014",
"mDDot":"\u223A",
"measuredangle":"\u2221",
"MediumSpace":"\u205F",
"Mellintrf":"\u2133",
"Mfr":"\uD835\uDD10",
"mfr":"\uD835\uDD2A",
"mho":"\u2127",
"micro":"\u00B5",
"mid":"\u2223",
"midast":"\u002A",
"midcir":"\u2AF0",
"middot":"\u00B7",
"minus":"\u2212",
"minusb":"\u229F",
"minusd":"\u2238",
"minusdu":"\u2A2A",
"MinusPlus":"\u2213",
"mlcp":"\u2ADB",
"mldr":"\u2026",
"mnplus":"\u2213",
"models":"\u22A7",
"Mopf":"\uD835\uDD44",
"mopf":"\uD835\uDD5E",
"mp":"\u2213",
"Mscr":"\u2133",
"mscr":"\uD835\uDCC2",
"mstpos":"\u223E",
"Mu":"\u039C",
"mu":"\u03BC",
"multimap":"\u22B8",
"mumap":"\u22B8",
"nabla":"\u2207",
"Nacute":"\u0143",
"nacute":"\u0144",
"nang":"\u2220\u20D2",
"nap":"\u2249",
"napE":"\u2A70\u0338",
"napid":"\u224B\u0338",
"napos":"\u0149",
"napprox":"\u2249",
"natur":"\u266E",
"natural":"\u266E",
"naturals":"\u2115",
"nbsp":"\u00A0",
"nbump":"\u224E\u0338",
"nbumpe":"\u224F\u0338",
"ncap":"\u2A43",
"Ncaron":"\u0147",
"ncaron":"\u0148",
"Ncedil":"\u0145",
"ncedil":"\u0146",
"ncong":"\u2247",
"ncongdot":"\u2A6D\u0338",
"ncup":"\u2A42",
"Ncy":"\u041D",
"ncy":"\u043D",
"ndash":"\u2013",
"ne":"\u2260",
"nearhk":"\u2924",
"neArr":"\u21D7",
"nearr":"\u2197",
"nearrow":"\u2197",
"nedot":"\u2250\u0338",
"NegativeMediumSpace":"\u200B",
"NegativeThickSpace":"\u200B",
"NegativeThinSpace":"\u200B",
"NegativeVeryThinSpace":"\u200B",
"nequiv":"\u2262",
"nesear":"\u2928",
"nesim":"\u2242\u0338",
"NestedGreaterGreater":"\u226B",
"NestedLessLess":"\u226A",
"NewLine":"\u000A",
"nexist":"\u2204",
"nexists":"\u2204",
"Nfr":"\uD835\uDD11",
"nfr":"\uD835\uDD2B",
"ngE":"\u2267\u0338",
"nge":"\u2271",
"ngeq":"\u2271",
"ngeqq":"\u2267\u0338",
"ngeqslant":"\u2A7E\u0338",
"nges":"\u2A7E\u0338",
"nGg":"\u22D9\u0338",
"ngsim":"\u2275",
"nGt":"\u226B\u20D2",
"ngt":"\u226F",
"ngtr":"\u226F",
"nGtv":"\u226B\u0338",
"nhArr":"\u21CE",
"nharr":"\u21AE",
"nhpar":"\u2AF2",
"ni":"\u220B",
"nis":"\u22FC",
"nisd":"\u22FA",
"niv":"\u220B",
"NJcy":"\u040A",
"njcy":"\u045A",
"nlArr":"\u21CD",
"nlarr":"\u219A",
"nldr":"\u2025",
"nlE":"\u2266\u0338",
"nle":"\u2270",
"nLeftarrow":"\u21CD",
"nleftarrow":"\u219A",
"nLeftrightarrow":"\u21CE",
"nleftrightarrow":"\u21AE",
"nleq":"\u2270",
"nleqq":"\u2266\u0338",
"nleqslant":"\u2A7D\u0338",
"nles":"\u2A7D\u0338",
"nless":"\u226E",
"nLl":"\u22D8\u0338",
"nlsim":"\u2274",
"nLt":"\u226A\u20D2",
"nlt":"\u226E",
"nltri":"\u22EA",
"nltrie":"\u22EC",
"nLtv":"\u226A\u0338",
"nmid":"\u2224",
"NoBreak":"\u2060",
"NonBreakingSpace":"\u00A0",
"Nopf":"\u2115",
"nopf":"\uD835\uDD5F",
"Not":"\u2AEC",
"not":"\u00AC",
"NotCongruent":"\u2262",
"NotCupCap":"\u226D",
"NotDoubleVerticalBar":"\u2226",
"NotElement":"\u2209",
"NotEqual":"\u2260",
"NotEqualTilde":"\u2242\u0338",
"NotExists":"\u2204",
"NotGreater":"\u226F",
"NotGreaterEqual":"\u2271",
"NotGreaterFullEqual":"\u2267\u0338",
"NotGreaterGreater":"\u226B\u0338",
"NotGreaterLess":"\u2279",
"NotGreaterSlantEqual":"\u2A7E\u0338",
"NotGreaterTilde":"\u2275",
"NotHumpDownHump":"\u224E\u0338",
"NotHumpEqual":"\u224F\u0338",
"notin":"\u2209",
"notindot":"\u22F5\u0338",
"notinE":"\u22F9\u0338",
"notinva":"\u2209",
"notinvb":"\u22F7",
"notinvc":"\u22F6",
"NotLeftTriangle":"\u22EA",
"NotLeftTriangleBar":"\u29CF\u0338",
"NotLeftTriangleEqual":"\u22EC",
"NotLess":"\u226E",
"NotLessEqual":"\u2270",
"NotLessGreater":"\u2278",
"NotLessLess":"\u226A\u0338",
"NotLessSlantEqual":"\u2A7D\u0338",
"NotLessTilde":"\u2274",
"NotNestedGreaterGreater":"\u2AA2\u0338",
"NotNestedLessLess":"\u2AA1\u0338",
"notni":"\u220C",
"notniva":"\u220C",
"notnivb":"\u22FE",
"notnivc":"\u22FD",
"NotPrecedes":"\u2280",
"NotPrecedesEqual":"\u2AAF\u0338",
"NotPrecedesSlantEqual":"\u22E0",
"NotReverseElement":"\u220C",
"NotRightTriangle":"\u22EB",
"NotRightTriangleBar":"\u29D0\u0338",
"NotRightTriangleEqual":"\u22ED",
"NotSquareSubset":"\u228F\u0338",
"NotSquareSubsetEqual":"\u22E2",
"NotSquareSuperset":"\u2290\u0338",
"NotSquareSupersetEqual":"\u22E3",
"NotSubset":"\u2282\u20D2",
"NotSubsetEqual":"\u2288",
"NotSucceeds":"\u2281",
"NotSucceedsEqual":"\u2AB0\u0338",
"NotSucceedsSlantEqual":"\u22E1",
"NotSucceedsTilde":"\u227F\u0338",
"NotSuperset":"\u2283\u20D2",
"NotSupersetEqual":"\u2289",
"NotTilde":"\u2241",
"NotTildeEqual":"\u2244",
"NotTildeFullEqual":"\u2247",
"NotTildeTilde":"\u2249",
"NotVerticalBar":"\u2224",
"npar":"\u2226",
"nparallel":"\u2226",
"nparsl":"\u2AFD\u20E5",
"npart":"\u2202\u0338",
"npolint":"\u2A14",
"npr":"\u2280",
"nprcue":"\u22E0",
"npre":"\u2AAF\u0338",
"nprec":"\u2280",
"npreceq":"\u2AAF\u0338",
"nrArr":"\u21CF",
"nrarr":"\u219B",
"nrarrc":"\u2933\u0338",
"nrarrw":"\u219D\u0338",
"nRightarrow":"\u21CF",
"nrightarrow":"\u219B",
"nrtri":"\u22EB",
"nrtrie":"\u22ED",
"nsc":"\u2281",
"nsccue":"\u22E1",
"nsce":"\u2AB0\u0338",
"Nscr":"\uD835\uDCA9",
"nscr":"\uD835\uDCC3",
"nshortmid":"\u2224",
"nshortparallel":"\u2226",
"nsim":"\u2241",
"nsime":"\u2244",
"nsimeq":"\u2244",
"nsmid":"\u2224",
"nspar":"\u2226",
"nsqsube":"\u22E2",
"nsqsupe":"\u22E3",
"nsub":"\u2284",
"nsubE":"\u2AC5\u0338",
"nsube":"\u2288",
"nsubset":"\u2282\u20D2",
"nsubseteq":"\u2288",
"nsubseteqq":"\u2AC5\u0338",
"nsucc":"\u2281",
"nsucceq":"\u2AB0\u0338",
"nsup":"\u2285",
"nsupE":"\u2AC6\u0338",
"nsupe":"\u2289",
"nsupset":"\u2283\u20D2",
"nsupseteq":"\u2289",
"nsupseteqq":"\u2AC6\u0338",
"ntgl":"\u2279",
"Ntilde":"\u00D1",
"ntilde":"\u00F1",
"ntlg":"\u2278",
"ntriangleleft":"\u22EA",
"ntrianglelefteq":"\u22EC",
"ntriangleright":"\u22EB",
"ntrianglerighteq":"\u22ED",
"Nu":"\u039D",
"nu":"\u03BD",
"num":"\u0023",
"numero":"\u2116",
"numsp":"\u2007",
"nvap":"\u224D\u20D2",
"nVDash":"\u22AF",
"nVdash":"\u22AE",
"nvDash":"\u22AD",
"nvdash":"\u22AC",
"nvge":"\u2265\u20D2",
"nvgt":"\u003E\u20D2",
"nvHarr":"\u2904",
"nvinfin":"\u29DE",
"nvlArr":"\u2902",
"nvle":"\u2264\u20D2",
"nvlt":"\u003C\u20D2",
"nvltrie":"\u22B4\u20D2",
"nvrArr":"\u2903",
"nvrtrie":"\u22B5\u20D2",
"nvsim":"\u223C\u20D2",
"nwarhk":"\u2923",
"nwArr":"\u21D6",
"nwarr":"\u2196",
"nwarrow":"\u2196",
"nwnear":"\u2927",
"Oacute":"\u00D3",
"oacute":"\u00F3",
"oast":"\u229B",
"ocir":"\u229A",
"Ocirc":"\u00D4",
"ocirc":"\u00F4",
"Ocy":"\u041E",
"ocy":"\u043E",
"odash":"\u229D",
"Odblac":"\u0150",
"odblac":"\u0151",
"odiv":"\u2A38",
"odot":"\u2299",
"odsold":"\u29BC",
"OElig":"\u0152",
"oelig":"\u0153",
"ofcir":"\u29BF",
"Ofr":"\uD835\uDD12",
"ofr":"\uD835\uDD2C",
"ogon":"\u02DB",
"Ograve":"\u00D2",
"ograve":"\u00F2",
"ogt":"\u29C1",
"ohbar":"\u29B5",
"ohm":"\u03A9",
"oint":"\u222E",
"olarr":"\u21BA",
"olcir":"\u29BE",
"olcross":"\u29BB",
"oline":"\u203E",
"olt":"\u29C0",
"Omacr":"\u014C",
"omacr":"\u014D",
"Omega":"\u03A9",
"omega":"\u03C9",
"Omicron":"\u039F",
"omicron":"\u03BF",
"omid":"\u29B6",
"ominus":"\u2296",
"Oopf":"\uD835\uDD46",
"oopf":"\uD835\uDD60",
"opar":"\u29B7",
"OpenCurlyDoubleQuote":"\u201C",
"OpenCurlyQuote":"\u2018",
"operp":"\u29B9",
"oplus":"\u2295",
"Or":"\u2A54",
"or":"\u2228",
"orarr":"\u21BB",
"ord":"\u2A5D",
"order":"\u2134",
"orderof":"\u2134",
"ordf":"\u00AA",
"ordm":"\u00BA",
"origof":"\u22B6",
"oror":"\u2A56",
"orslope":"\u2A57",
"orv":"\u2A5B",
"oS":"\u24C8",
"Oscr":"\uD835\uDCAA",
"oscr":"\u2134",
"Oslash":"\u00D8",
"oslash":"\u00F8",
"osol":"\u2298",
"Otilde":"\u00D5",
"otilde":"\u00F5",
"Otimes":"\u2A37",
"otimes":"\u2297",
"otimesas":"\u2A36",
"Ouml":"\u00D6",
"ouml":"\u00F6",
"ovbar":"\u233D",
"OverBar":"\u203E",
"OverBrace":"\u23DE",
"OverBracket":"\u23B4",
"OverParenthesis":"\u23DC",
"par":"\u2225",
"para":"\u00B6",
"parallel":"\u2225",
"parsim":"\u2AF3",
"parsl":"\u2AFD",
"part":"\u2202",
"PartialD":"\u2202",
"Pcy":"\u041F",
"pcy":"\u043F",
"percnt":"\u0025",
"period":"\u002E",
"permil":"\u2030",
"perp":"\u22A5",
"pertenk":"\u2031",
"Pfr":"\uD835\uDD13",
"pfr":"\uD835\uDD2D",
"Phi":"\u03A6",
"phi":"\u03C6",
"phiv":"\u03D5",
"phmmat":"\u2133",
"phone":"\u260E",
"Pi":"\u03A0",
"pi":"\u03C0",
"pitchfork":"\u22D4",
"piv":"\u03D6",
"planck":"\u210F",
"planckh":"\u210E",
"plankv":"\u210F",
"plus":"\u002B",
"plusacir":"\u2A23",
"plusb":"\u229E",
"pluscir":"\u2A22",
"plusdo":"\u2214",
"plusdu":"\u2A25",
"pluse":"\u2A72",
"PlusMinus":"\u00B1",
"plusmn":"\u00B1",
"plussim":"\u2A26",
"plustwo":"\u2A27",
"pm":"\u00B1",
"Poincareplane":"\u210C",
"pointint":"\u2A15",
"Popf":"\u2119",
"popf":"\uD835\uDD61",
"pound":"\u00A3",
"Pr":"\u2ABB",
"pr":"\u227A",
"prap":"\u2AB7",
"prcue":"\u227C",
"prE":"\u2AB3",
"pre":"\u2AAF",
"prec":"\u227A",
"precapprox":"\u2AB7",
"preccurlyeq":"\u227C",
"Precedes":"\u227A",
"PrecedesEqual":"\u2AAF",
"PrecedesSlantEqual":"\u227C",
"PrecedesTilde":"\u227E",
"preceq":"\u2AAF",
"precnapprox":"\u2AB9",
"precneqq":"\u2AB5",
"precnsim":"\u22E8",
"precsim":"\u227E",
"Prime":"\u2033",
"prime":"\u2032",
"primes":"\u2119",
"prnap":"\u2AB9",
"prnE":"\u2AB5",
"prnsim":"\u22E8",
"prod":"\u220F",
"Product":"\u220F",
"profalar":"\u232E",
"profline":"\u2312",
"profsurf":"\u2313",
"prop":"\u221D",
"Proportion":"\u2237",
"Proportional":"\u221D",
"propto":"\u221D",
"prsim":"\u227E",
"prurel":"\u22B0",
"Pscr":"\uD835\uDCAB",
"pscr":"\uD835\uDCC5",
"Psi":"\u03A8",
"psi":"\u03C8",
"puncsp":"\u2008",
"Qfr":"\uD835\uDD14",
"qfr":"\uD835\uDD2E",
"qint":"\u2A0C",
"Qopf":"\u211A",
"qopf":"\uD835\uDD62",
"qprime":"\u2057",
"Qscr":"\uD835\uDCAC",
"qscr":"\uD835\uDCC6",
"quaternions":"\u210D",
"quatint":"\u2A16",
"quest":"\u003F",
"questeq":"\u225F",
"QUOT":"\u0022",
"quot":"\u0022",
"rAarr":"\u21DB",
"race":"\u223D\u0331",
"Racute":"\u0154",
"racute":"\u0155",
"radic":"\u221A",
"raemptyv":"\u29B3",
"Rang":"\u27EB",
"rang":"\u27E9",
"rangd":"\u2992",
"range":"\u29A5",
"rangle":"\u27E9",
"raquo":"\u00BB",
"Rarr":"\u21A0",
"rArr":"\u21D2",
"rarr":"\u2192",
"rarrap":"\u2975",
"rarrb":"\u21E5",
"rarrbfs":"\u2920",
"rarrc":"\u2933",
"rarrfs":"\u291E",
"rarrhk":"\u21AA",
"rarrlp":"\u21AC",
"rarrpl":"\u2945",
"rarrsim":"\u2974",
"Rarrtl":"\u2916",
"rarrtl":"\u21A3",
"rarrw":"\u219D",
"rAtail":"\u291C",
"ratail":"\u291A",
"ratio":"\u2236",
"rationals":"\u211A",
"RBarr":"\u2910",
"rBarr":"\u290F",
"rbarr":"\u290D",
"rbbrk":"\u2773",
"rbrace":"\u007D",
"rbrack":"\u005D",
"rbrke":"\u298C",
"rbrksld":"\u298E",
"rbrkslu":"\u2990",
"Rcaron":"\u0158",
"rcaron":"\u0159",
"Rcedil":"\u0156",
"rcedil":"\u0157",
"rceil":"\u2309",
"rcub":"\u007D",
"Rcy":"\u0420",
"rcy":"\u0440",
"rdca":"\u2937",
"rdldhar":"\u2969",
"rdquo":"\u201D",
"rdquor":"\u201D",
"rdsh":"\u21B3",
"Re":"\u211C",
"real":"\u211C",
"realine":"\u211B",
"realpart":"\u211C",
"reals":"\u211D",
"rect":"\u25AD",
"REG":"\u00AE",
"reg":"\u00AE",
"ReverseElement":"\u220B",
"ReverseEquilibrium":"\u21CB",
"ReverseUpEquilibrium":"\u296F",
"rfisht":"\u297D",
"rfloor":"\u230B",
"Rfr":"\u211C",
"rfr":"\uD835\uDD2F",
"rHar":"\u2964",
"rhard":"\u21C1",
"rharu":"\u21C0",
"rharul":"\u296C",
"Rho":"\u03A1",
"rho":"\u03C1",
"rhov":"\u03F1",
"RightAngleBracket":"\u27E9",
"RightArrow":"\u2192",
"Rightarrow":"\u21D2",
"rightarrow":"\u2192",
"RightArrowBar":"\u21E5",
"RightArrowLeftArrow":"\u21C4",
"rightarrowtail":"\u21A3",
"RightCeiling":"\u2309",
"RightDoubleBracket":"\u27E7",
"RightDownTeeVector":"\u295D",
"RightDownVector":"\u21C2",
"RightDownVectorBar":"\u2955",
"RightFloor":"\u230B",
"rightharpoondown":"\u21C1",
"rightharpoonup":"\u21C0",
"rightleftarrows":"\u21C4",
"rightleftharpoons":"\u21CC",
"rightrightarrows":"\u21C9",
"rightsquigarrow":"\u219D",
"RightTee":"\u22A2",
"RightTeeArrow":"\u21A6",
"RightTeeVector":"\u295B",
"rightthreetimes":"\u22CC",
"RightTriangle":"\u22B3",
"RightTriangleBar":"\u29D0",
"RightTriangleEqual":"\u22B5",
"RightUpDownVector":"\u294F",
"RightUpTeeVector":"\u295C",
"RightUpVector":"\u21BE",
"RightUpVectorBar":"\u2954",
"RightVector":"\u21C0",
"RightVectorBar":"\u2953",
"ring":"\u02DA",
"risingdotseq":"\u2253",
"rlarr":"\u21C4",
"rlhar":"\u21CC",
"rlm":"\u200F",
"rmoust":"\u23B1",
"rmoustache":"\u23B1",
"rnmid":"\u2AEE",
"roang":"\u27ED",
"roarr":"\u21FE",
"robrk":"\u27E7",
"ropar":"\u2986",
"Ropf":"\u211D",
"ropf":"\uD835\uDD63",
"roplus":"\u2A2E",
"rotimes":"\u2A35",
"RoundImplies":"\u2970",
"rpar":"\u0029",
"rpargt":"\u2994",
"rppolint":"\u2A12",
"rrarr":"\u21C9",
"Rrightarrow":"\u21DB",
"rsaquo":"\u203A",
"Rscr":"\u211B",
"rscr":"\uD835\uDCC7",
"Rsh":"\u21B1",
"rsh":"\u21B1",
"rsqb":"\u005D",
"rsquo":"\u2019",
"rsquor":"\u2019",
"rthree":"\u22CC",
"rtimes":"\u22CA",
"rtri":"\u25B9",
"rtrie":"\u22B5",
"rtrif":"\u25B8",
"rtriltri":"\u29CE",
"RuleDelayed":"\u29F4",
"ruluhar":"\u2968",
"rx":"\u211E",
"Sacute":"\u015A",
"sacute":"\u015B",
"sbquo":"\u201A",
"Sc":"\u2ABC",
"sc":"\u227B",
"scap":"\u2AB8",
"Scaron":"\u0160",
"scaron":"\u0161",
"sccue":"\u227D",
"scE":"\u2AB4",
"sce":"\u2AB0",
"Scedil":"\u015E",
"scedil":"\u015F",
"Scirc":"\u015C",
"scirc":"\u015D",
"scnap":"\u2ABA",
"scnE":"\u2AB6",
"scnsim":"\u22E9",
"scpolint":"\u2A13",
"scsim":"\u227F",
"Scy":"\u0421",
"scy":"\u0441",
"sdot":"\u22C5",
"sdotb":"\u22A1",
"sdote":"\u2A66",
"searhk":"\u2925",
"seArr":"\u21D8",
"searr":"\u2198",
"searrow":"\u2198",
"sect":"\u00A7",
"semi":"\u003B",
"seswar":"\u2929",
"setminus":"\u2216",
"setmn":"\u2216",
"sext":"\u2736",
"Sfr":"\uD835\uDD16",
"sfr":"\uD835\uDD30",
"sfrown":"\u2322",
"sharp":"\u266F",
"SHCHcy":"\u0429",
"shchcy":"\u0449",
"SHcy":"\u0428",
"shcy":"\u0448",
"ShortDownArrow":"\u2193",
"ShortLeftArrow":"\u2190",
"shortmid":"\u2223",
"shortparallel":"\u2225",
"ShortRightArrow":"\u2192",
"ShortUpArrow":"\u2191",
"shy":"\u00AD",
"Sigma":"\u03A3",
"sigma":"\u03C3",
"sigmaf":"\u03C2",
"sigmav":"\u03C2",
"sim":"\u223C",
"simdot":"\u2A6A",
"sime":"\u2243",
"simeq":"\u2243",
"simg":"\u2A9E",
"simgE":"\u2AA0",
"siml":"\u2A9D",
"simlE":"\u2A9F",
"simne":"\u2246",
"simplus":"\u2A24",
"simrarr":"\u2972",
"slarr":"\u2190",
"SmallCircle":"\u2218",
"smallsetminus":"\u2216",
"smashp":"\u2A33",
"smeparsl":"\u29E4",
"smid":"\u2223",
"smile":"\u2323",
"smt":"\u2AAA",
"smte":"\u2AAC",
"smtes":"\u2AAC\uFE00",
"SOFTcy":"\u042C",
"softcy":"\u044C",
"sol":"\u002F",
"solb":"\u29C4",
"solbar":"\u233F",
"Sopf":"\uD835\uDD4A",
"sopf":"\uD835\uDD64",
"spades":"\u2660",
"spadesuit":"\u2660",
"spar":"\u2225",
"sqcap":"\u2293",
"sqcaps":"\u2293\uFE00",
"sqcup":"\u2294",
"sqcups":"\u2294\uFE00",
"Sqrt":"\u221A",
"sqsub":"\u228F",
"sqsube":"\u2291",
"sqsubset":"\u228F",
"sqsubseteq":"\u2291",
"sqsup":"\u2290",
"sqsupe":"\u2292",
"sqsupset":"\u2290",
"sqsupseteq":"\u2292",
"squ":"\u25A1",
"Square":"\u25A1",
"square":"\u25A1",
"SquareIntersection":"\u2293",
"SquareSubset":"\u228F",
"SquareSubsetEqual":"\u2291",
"SquareSuperset":"\u2290",
"SquareSupersetEqual":"\u2292",
"SquareUnion":"\u2294",
"squarf":"\u25AA",
"squf":"\u25AA",
"srarr":"\u2192",
"Sscr":"\uD835\uDCAE",
"sscr":"\uD835\uDCC8",
"ssetmn":"\u2216",
"ssmile":"\u2323",
"sstarf":"\u22C6",
"Star":"\u22C6",
"star":"\u2606",
"starf":"\u2605",
"straightepsilon":"\u03F5",
"straightphi":"\u03D5",
"strns":"\u00AF",
"Sub":"\u22D0",
"sub":"\u2282",
"subdot":"\u2ABD",
"subE":"\u2AC5",
"sube":"\u2286",
"subedot":"\u2AC3",
"submult":"\u2AC1",
"subnE":"\u2ACB",
"subne":"\u228A",
"subplus":"\u2ABF",
"subrarr":"\u2979",
"Subset":"\u22D0",
"subset":"\u2282",
"subseteq":"\u2286",
"subseteqq":"\u2AC5",
"SubsetEqual":"\u2286",
"subsetneq":"\u228A",
"subsetneqq":"\u2ACB",
"subsim":"\u2AC7",
"subsub":"\u2AD5",
"subsup":"\u2AD3",
"succ":"\u227B",
"succapprox":"\u2AB8",
"succcurlyeq":"\u227D",
"Succeeds":"\u227B",
"SucceedsEqual":"\u2AB0",
"SucceedsSlantEqual":"\u227D",
"SucceedsTilde":"\u227F",
"succeq":"\u2AB0",
"succnapprox":"\u2ABA",
"succneqq":"\u2AB6",
"succnsim":"\u22E9",
"succsim":"\u227F",
"SuchThat":"\u220B",
"Sum":"\u2211",
"sum":"\u2211",
"sung":"\u266A",
"Sup":"\u22D1",
"sup":"\u2283",
"sup1":"\u00B9",
"sup2":"\u00B2",
"sup3":"\u00B3",
"supdot":"\u2ABE",
"supdsub":"\u2AD8",
"supE":"\u2AC6",
"supe":"\u2287",
"supedot":"\u2AC4",
"Superset":"\u2283",
"SupersetEqual":"\u2287",
"suphsol":"\u27C9",
"suphsub":"\u2AD7",
"suplarr":"\u297B",
"supmult":"\u2AC2",
"supnE":"\u2ACC",
"supne":"\u228B",
"supplus":"\u2AC0",
"Supset":"\u22D1",
"supset":"\u2283",
"supseteq":"\u2287",
"supseteqq":"\u2AC6",
"supsetneq":"\u228B",
"supsetneqq":"\u2ACC",
"supsim":"\u2AC8",
"supsub":"\u2AD4",
"supsup":"\u2AD6",
"swarhk":"\u2926",
"swArr":"\u21D9",
"swarr":"\u2199",
"swarrow":"\u2199",
"swnwar":"\u292A",
"szlig":"\u00DF",
"Tab":"\u0009",
"target":"\u2316",
"Tau":"\u03A4",
"tau":"\u03C4",
"tbrk":"\u23B4",
"Tcaron":"\u0164",
"tcaron":"\u0165",
"Tcedil":"\u0162",
"tcedil":"\u0163",
"Tcy":"\u0422",
"tcy":"\u0442",
"tdot":"\u20DB",
"telrec":"\u2315",
"Tfr":"\uD835\uDD17",
"tfr":"\uD835\uDD31",
"there4":"\u2234",
"Therefore":"\u2234",
"therefore":"\u2234",
"Theta":"\u0398",
"theta":"\u03B8",
"thetasym":"\u03D1",
"thetav":"\u03D1",
"thickapprox":"\u2248",
"thicksim":"\u223C",
"ThickSpace":"\u205F\u200A",
"thinsp":"\u2009",
"ThinSpace":"\u2009",
"thkap":"\u2248",
"thksim":"\u223C",
"THORN":"\u00DE",
"thorn":"\u00FE",
"Tilde":"\u223C",
"tilde":"\u02DC",
"TildeEqual":"\u2243",
"TildeFullEqual":"\u2245",
"TildeTilde":"\u2248",
"times":"\u00D7",
"timesb":"\u22A0",
"timesbar":"\u2A31",
"timesd":"\u2A30",
"tint":"\u222D",
"toea":"\u2928",
"top":"\u22A4",
"topbot":"\u2336",
"topcir":"\u2AF1",
"Topf":"\uD835\uDD4B",
"topf":"\uD835\uDD65",
"topfork":"\u2ADA",
"tosa":"\u2929",
"tprime":"\u2034",
"TRADE":"\u2122",
"trade":"\u2122",
"triangle":"\u25B5",
"triangledown":"\u25BF",
"triangleleft":"\u25C3",
"trianglelefteq":"\u22B4",
"triangleq":"\u225C",
"triangleright":"\u25B9",
"trianglerighteq":"\u22B5",
"tridot":"\u25EC",
"trie":"\u225C",
"triminus":"\u2A3A",
"TripleDot":"\u20DB",
"triplus":"\u2A39",
"trisb":"\u29CD",
"tritime":"\u2A3B",
"trpezium":"\u23E2",
"Tscr":"\uD835\uDCAF",
"tscr":"\uD835\uDCC9",
"TScy":"\u0426",
"tscy":"\u0446",
"TSHcy":"\u040B",
"tshcy":"\u045B",
"Tstrok":"\u0166",
"tstrok":"\u0167",
"twixt":"\u226C",
"twoheadleftarrow":"\u219E",
"twoheadrightarrow":"\u21A0",
"Uacute":"\u00DA",
"uacute":"\u00FA",
"Uarr":"\u219F",
"uArr":"\u21D1",
"uarr":"\u2191",
"Uarrocir":"\u2949",
"Ubrcy":"\u040E",
"ubrcy":"\u045E",
"Ubreve":"\u016C",
"ubreve":"\u016D",
"Ucirc":"\u00DB",
"ucirc":"\u00FB",
"Ucy":"\u0423",
"ucy":"\u0443",
"udarr":"\u21C5",
"Udblac":"\u0170",
"udblac":"\u0171",
"udhar":"\u296E",
"ufisht":"\u297E",
"Ufr":"\uD835\uDD18",
"ufr":"\uD835\uDD32",
"Ugrave":"\u00D9",
"ugrave":"\u00F9",
"uHar":"\u2963",
"uharl":"\u21BF",
"uharr":"\u21BE",
"uhblk":"\u2580",
"ulcorn":"\u231C",
"ulcorner":"\u231C",
"ulcrop":"\u230F",
"ultri":"\u25F8",
"Umacr":"\u016A",
"umacr":"\u016B",
"uml":"\u00A8",
"UnderBar":"\u005F",
"UnderBrace":"\u23DF",
"UnderBracket":"\u23B5",
"UnderParenthesis":"\u23DD",
"Union":"\u22C3",
"UnionPlus":"\u228E",
"Uogon":"\u0172",
"uogon":"\u0173",
"Uopf":"\uD835\uDD4C",
"uopf":"\uD835\uDD66",
"UpArrow":"\u2191",
"Uparrow":"\u21D1",
"uparrow":"\u2191",
"UpArrowBar":"\u2912",
"UpArrowDownArrow":"\u21C5",
"UpDownArrow":"\u2195",
"Updownarrow":"\u21D5",
"updownarrow":"\u2195",
"UpEquilibrium":"\u296E",
"upharpoonleft":"\u21BF",
"upharpoonright":"\u21BE",
"uplus":"\u228E",
"UpperLeftArrow":"\u2196",
"UpperRightArrow":"\u2197",
"Upsi":"\u03D2",
"upsi":"\u03C5",
"upsih":"\u03D2",
"Upsilon":"\u03A5",
"upsilon":"\u03C5",
"UpTee":"\u22A5",
"UpTeeArrow":"\u21A5",
"upuparrows":"\u21C8",
"urcorn":"\u231D",
"urcorner":"\u231D",
"urcrop":"\u230E",
"Uring":"\u016E",
"uring":"\u016F",
"urtri":"\u25F9",
"Uscr":"\uD835\uDCB0",
"uscr":"\uD835\uDCCA",
"utdot":"\u22F0",
"Utilde":"\u0168",
"utilde":"\u0169",
"utri":"\u25B5",
"utrif":"\u25B4",
"uuarr":"\u21C8",
"Uuml":"\u00DC",
"uuml":"\u00FC",
"uwangle":"\u29A7",
"vangrt":"\u299C",
"varepsilon":"\u03F5",
"varkappa":"\u03F0",
"varnothing":"\u2205",
"varphi":"\u03D5",
"varpi":"\u03D6",
"varpropto":"\u221D",
"vArr":"\u21D5",
"varr":"\u2195",
"varrho":"\u03F1",
"varsigma":"\u03C2",
"varsubsetneq":"\u228A\uFE00",
"varsubsetneqq":"\u2ACB\uFE00",
"varsupsetneq":"\u228B\uFE00",
"varsupsetneqq":"\u2ACC\uFE00",
"vartheta":"\u03D1",
"vartriangleleft":"\u22B2",
"vartriangleright":"\u22B3",
"Vbar":"\u2AEB",
"vBar":"\u2AE8",
"vBarv":"\u2AE9",
"Vcy":"\u0412",
"vcy":"\u0432",
"VDash":"\u22AB",
"Vdash":"\u22A9",
"vDash":"\u22A8",
"vdash":"\u22A2",
"Vdashl":"\u2AE6",
"Vee":"\u22C1",
"vee":"\u2228",
"veebar":"\u22BB",
"veeeq":"\u225A",
"vellip":"\u22EE",
"Verbar":"\u2016",
"verbar":"\u007C",
"Vert":"\u2016",
"vert":"\u007C",
"VerticalBar":"\u2223",
"VerticalLine":"\u007C",
"VerticalSeparator":"\u2758",
"VerticalTilde":"\u2240",
"VeryThinSpace":"\u200A",
"Vfr":"\uD835\uDD19",
"vfr":"\uD835\uDD33",
"vltri":"\u22B2",
"vnsub":"\u2282\u20D2",
"vnsup":"\u2283\u20D2",
"Vopf":"\uD835\uDD4D",
"vopf":"\uD835\uDD67",
"vprop":"\u221D",
"vrtri":"\u22B3",
"Vscr":"\uD835\uDCB1",
"vscr":"\uD835\uDCCB",
"vsubnE":"\u2ACB\uFE00",
"vsubne":"\u228A\uFE00",
"vsupnE":"\u2ACC\uFE00",
"vsupne":"\u228B\uFE00",
"Vvdash":"\u22AA",
"vzigzag":"\u299A",
"Wcirc":"\u0174",
"wcirc":"\u0175",
"wedbar":"\u2A5F",
"Wedge":"\u22C0",
"wedge":"\u2227",
"wedgeq":"\u2259",
"weierp":"\u2118",
"Wfr":"\uD835\uDD1A",
"wfr":"\uD835\uDD34",
"Wopf":"\uD835\uDD4E",
"wopf":"\uD835\uDD68",
"wp":"\u2118",
"wr":"\u2240",
"wreath":"\u2240",
"Wscr":"\uD835\uDCB2",
"wscr":"\uD835\uDCCC",
"xcap":"\u22C2",
"xcirc":"\u25EF",
"xcup":"\u22C3",
"xdtri":"\u25BD",
"Xfr":"\uD835\uDD1B",
"xfr":"\uD835\uDD35",
"xhArr":"\u27FA",
"xharr":"\u27F7",
"Xi":"\u039E",
"xi":"\u03BE",
"xlArr":"\u27F8",
"xlarr":"\u27F5",
"xmap":"\u27FC",
"xnis":"\u22FB",
"xodot":"\u2A00",
"Xopf":"\uD835\uDD4F",
"xopf":"\uD835\uDD69",
"xoplus":"\u2A01",
"xotime":"\u2A02",
"xrArr":"\u27F9",
"xrarr":"\u27F6",
"Xscr":"\uD835\uDCB3",
"xscr":"\uD835\uDCCD",
"xsqcup":"\u2A06",
"xuplus":"\u2A04",
"xutri":"\u25B3",
"xvee":"\u22C1",
"xwedge":"\u22C0",
"Yacute":"\u00DD",
"yacute":"\u00FD",
"YAcy":"\u042F",
"yacy":"\u044F",
"Ycirc":"\u0176",
"ycirc":"\u0177",
"Ycy":"\u042B",
"ycy":"\u044B",
"yen":"\u00A5",
"Yfr":"\uD835\uDD1C",
"yfr":"\uD835\uDD36",
"YIcy":"\u0407",
"yicy":"\u0457",
"Yopf":"\uD835\uDD50",
"yopf":"\uD835\uDD6A",
"Yscr":"\uD835\uDCB4",
"yscr":"\uD835\uDCCE",
"YUcy":"\u042E",
"yucy":"\u044E",
"Yuml":"\u0178",
"yuml":"\u00FF",
"Zacute":"\u0179",
"zacute":"\u017A",
"Zcaron":"\u017D",
"zcaron":"\u017E",
"Zcy":"\u0417",
"zcy":"\u0437",
"Zdot":"\u017B",
"zdot":"\u017C",
"zeetrf":"\u2128",
"ZeroWidthSpace":"\u200B",
"Zeta":"\u0396",
"zeta":"\u03B6",
"Zfr":"\u2128",
"zfr":"\uD835\uDD37",
"ZHcy":"\u0416",
"zhcy":"\u0436",
"zigrarr":"\u21DD",
"Zopf":"\u2124",
"zopf":"\uD835\uDD6B",
"Zscr":"\uD835\uDCB5",
"zscr":"\uD835\uDCCF",
"zwj":"\u200D",
"zwnj":"\u200C"
};
var hasOwn = Object.prototype.hasOwnProperty;
function has(object, key) {
return object
? hasOwn.call(object, key)
: false;
}
function decodeEntity(name) {
if (has(entities, name)) {
return entities[name]
} else {
return name;
}
}
var hasOwn$1 = Object.prototype.hasOwnProperty;
function has$1(object, key) {
return object
? hasOwn$1.call(object, key)
: false;
}
// Extend objects
//
function assign(obj /*from1, from2, from3, ...*/) {
var sources = [].slice.call(arguments, 1);
sources.forEach(function (source) {
if (!source) { return; }
if (typeof source !== 'object') {
throw new TypeError(source + 'must be object');
}
Object.keys(source).forEach(function (key) {
obj[key] = source[key];
});
});
return obj;
}
////////////////////////////////////////////////////////////////////////////////
var UNESCAPE_MD_RE = /\\([\\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;
function unescapeMd(str) {
if (str.indexOf('\\') < 0) { return str; }
return str.replace(UNESCAPE_MD_RE, '$1');
}
////////////////////////////////////////////////////////////////////////////////
function isValidEntityCode(c) {
/*eslint no-bitwise:0*/
// broken sequence
if (c >= 0xD800 && c <= 0xDFFF) { return false; }
// never used
if (c >= 0xFDD0 && c <= 0xFDEF) { return false; }
if ((c & 0xFFFF) === 0xFFFF || (c & 0xFFFF) === 0xFFFE) { return false; }
// control codes
if (c >= 0x00 && c <= 0x08) { return false; }
if (c === 0x0B) { return false; }
if (c >= 0x0E && c <= 0x1F) { return false; }
if (c >= 0x7F && c <= 0x9F) { return false; }
// out of range
if (c > 0x10FFFF) { return false; }
return true;
}
function fromCodePoint(c) {
/*eslint no-bitwise:0*/
if (c > 0xffff) {
c -= 0x10000;
var surrogate1 = 0xd800 + (c >> 10),
surrogate2 = 0xdc00 + (c & 0x3ff);
return String.fromCharCode(surrogate1, surrogate2);
}
return String.fromCharCode(c);
}
var NAMED_ENTITY_RE = /&([a-z#][a-z0-9]{1,31});/gi;
var DIGITAL_ENTITY_TEST_RE = /^#((?:x[a-f0-9]{1,8}|[0-9]{1,8}))/i;
function replaceEntityPattern(match, name) {
var code = 0;
var decoded = decodeEntity(name);
if (name !== decoded) {
return decoded;
} else if (name.charCodeAt(0) === 0x23/* # */ && DIGITAL_ENTITY_TEST_RE.test(name)) {
code = name[1].toLowerCase() === 'x' ?
parseInt(name.slice(2), 16)
:
parseInt(name.slice(1), 10);
if (isValidEntityCode(code)) {
return fromCodePoint(code);
}
}
return match;
}
function replaceEntities(str) {
if (str.indexOf('&') < 0) { return str; }
return str.replace(NAMED_ENTITY_RE, replaceEntityPattern);
}
////////////////////////////////////////////////////////////////////////////////
var HTML_ESCAPE_TEST_RE = /[&<>"]/;
var HTML_ESCAPE_REPLACE_RE = /[&<>"]/g;
var HTML_REPLACEMENTS = {
'&': '&',
'<': '<',
'>': '>',
'"': '"'
};
function replaceUnsafeChar(ch) {
return HTML_REPLACEMENTS[ch];
}
function escapeHtml(str) {
if (HTML_ESCAPE_TEST_RE.test(str)) {
return str.replace(HTML_ESCAPE_REPLACE_RE, replaceUnsafeChar);
}
return str;
}
/**
* Renderer rules cache
*/
var rules = {};
/**
* Blockquotes
*/
rules.blockquote_open = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.blockquote_close = function(tokens, idx /*, options, env */) {
return '
' + getBreak(tokens, idx);
};
/**
* Code
*/
rules.code = function(tokens, idx /*, options, env */) {
if (tokens[idx].block) {
return '' + escapeHtml(tokens[idx].content) + '
' + getBreak(tokens, idx);
}
return '' + escapeHtml(tokens[idx].content) + '';
};
/**
* Fenced code blocks
*/
rules.fence = function(tokens, idx, options, env, instance) {
var token = tokens[idx];
var langClass = '';
var langPrefix = options.langPrefix;
var langName = '', fences, fenceName;
var highlighted;
if (token.params) {
//
// ```foo bar
//
// Try custom renderer "foo" first. That will simplify overwrite
// for diagrams, latex, and any other fenced block with custom look
//
fences = token.params.split(/\s+/g);
fenceName = fences.join(' ');
if (has$1(instance.rules.fence_custom, fences[0])) {
return instance.rules.fence_custom[fences[0]](tokens, idx, options, env, instance);
}
langName = escapeHtml(replaceEntities(unescapeMd(fenceName)));
langClass = ' class="' + langPrefix + langName + '"';
}
if (options.highlight) {
highlighted = options.highlight.apply(options.highlight, [ token.content ].concat(fences))
|| escapeHtml(token.content);
} else {
highlighted = escapeHtml(token.content);
}
return ''
+ highlighted
+ '
'
+ getBreak(tokens, idx);
};
rules.fence_custom = {};
/**
* Headings
*/
rules.heading_open = function(tokens, idx /*, options, env */) {
return '';
};
rules.heading_close = function(tokens, idx /*, options, env */) {
return '\n';
};
/**
* Horizontal rules
*/
rules.hr = function(tokens, idx, options /*, env */) {
return (options.xhtmlOut ? '
' : '
') + getBreak(tokens, idx);
};
/**
* Bullets
*/
rules.bullet_list_open = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.bullet_list_close = function(tokens, idx /*, options, env */) {
return '
' + getBreak(tokens, idx);
};
/**
* List items
*/
rules.list_item_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.list_item_close = function(/* tokens, idx, options, env */) {
return '\n';
};
/**
* Ordered list items
*/
rules.ordered_list_open = function(tokens, idx /*, options, env */) {
var token = tokens[idx];
var order = token.order > 1 ? ' start="' + token.order + '"' : '';
return '\n';
};
rules.ordered_list_close = function(tokens, idx /*, options, env */) {
return '' + getBreak(tokens, idx);
};
/**
* Paragraphs
*/
rules.paragraph_open = function(tokens, idx /*, options, env */) {
return tokens[idx].tight ? '' : '';
};
rules.paragraph_close = function(tokens, idx /*, options, env */) {
var addBreak = !(tokens[idx].tight && idx && tokens[idx - 1].type === 'inline' && !tokens[idx - 1].content);
return (tokens[idx].tight ? '' : '
') + (addBreak ? getBreak(tokens, idx) : '');
};
/**
* Links
*/
rules.link_open = function(tokens, idx, options /* env */) {
var title = tokens[idx].title ? (' title="' + escapeHtml(replaceEntities(tokens[idx].title)) + '"') : '';
var target = options.linkTarget ? (' target="' + options.linkTarget + '"') : '';
return '';
};
rules.link_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Images
*/
rules.image = function(tokens, idx, options /*, env */) {
var src = ' src="' + escapeHtml(tokens[idx].src) + '"';
var title = tokens[idx].title ? (' title="' + escapeHtml(replaceEntities(tokens[idx].title)) + '"') : '';
var alt = ' alt="' + (tokens[idx].alt ? escapeHtml(replaceEntities(unescapeMd(tokens[idx].alt))) : '') + '"';
var suffix = options.xhtmlOut ? ' /' : '';
return '';
};
/**
* Tables
*/
rules.table_open = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.table_close = function(/* tokens, idx, options, env */) {
return '
\n';
};
rules.thead_open = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.thead_close = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.tbody_open = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.tbody_close = function(/* tokens, idx, options, env */) {
return '\n';
};
rules.tr_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.tr_close = function(/* tokens, idx, options, env */) {
return '
\n';
};
rules.th_open = function(tokens, idx /*, options, env */) {
var token = tokens[idx];
return '';
};
rules.th_close = function(/* tokens, idx, options, env */) {
return '';
};
rules.td_open = function(tokens, idx /*, options, env */) {
var token = tokens[idx];
return '';
};
rules.td_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Bold
*/
rules.strong_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.strong_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Italicize
*/
rules.em_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.em_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Strikethrough
*/
rules.del_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.del_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Insert
*/
rules.ins_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.ins_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Highlight
*/
rules.mark_open = function(/* tokens, idx, options, env */) {
return '';
};
rules.mark_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Super- and sub-script
*/
rules.sub = function(tokens, idx /*, options, env */) {
return '' + escapeHtml(tokens[idx].content) + '';
};
rules.sup = function(tokens, idx /*, options, env */) {
return '' + escapeHtml(tokens[idx].content) + '';
};
/**
* Breaks
*/
rules.hardbreak = function(tokens, idx, options /*, env */) {
return options.xhtmlOut ? '
\n' : '
\n';
};
rules.softbreak = function(tokens, idx, options /*, env */) {
return options.breaks ? (options.xhtmlOut ? '
\n' : '
\n') : '\n';
};
/**
* Text
*/
rules.text = function(tokens, idx /*, options, env */) {
return escapeHtml(tokens[idx].content);
};
/**
* Content
*/
rules.htmlblock = function(tokens, idx /*, options, env */) {
return tokens[idx].content;
};
rules.htmltag = function(tokens, idx /*, options, env */) {
return tokens[idx].content;
};
/**
* Abbreviations, initialism
*/
rules.abbr_open = function(tokens, idx /*, options, env */) {
return '';
};
rules.abbr_close = function(/* tokens, idx, options, env */) {
return '';
};
/**
* Footnotes
*/
rules.footnote_ref = function(tokens, idx) {
var n = Number(tokens[idx].id + 1).toString();
var id = 'fnref' + n;
if (tokens[idx].subId > 0) {
id += ':' + tokens[idx].subId;
}
return '';
};
rules.footnote_block_open = function(tokens, idx, options) {
var hr = options.xhtmlOut
? '\n'
: '\n';
return hr + '\n';
};
rules.footnote_open = function(tokens, idx) {
var id = Number(tokens[idx].id + 1).toString();
return '\n';
};
rules.footnote_anchor = function(tokens, idx) {
var n = Number(tokens[idx].id + 1).toString();
var id = 'fnref' + n;
if (tokens[idx].subId > 0) {
id += ':' + tokens[idx].subId;
}
return ' ';
};
/**
* Definition lists
*/
rules.dl_open = function() {
return '\n';
};
rules.dt_open = function() {
return '- ';
};
rules.dd_open = function() {
return '
- ';
};
rules.dl_close = function() {
return '
\n';
};
rules.dt_close = function() {
return '\n';
};
rules.dd_close = function() {
return '\n';
};
/**
* Helper functions
*/
function nextToken(tokens, idx) {
if (++idx >= tokens.length - 2) {
return idx;
}
if ((tokens[idx].type === 'paragraph_open' && tokens[idx].tight) &&
(tokens[idx + 1].type === 'inline' && tokens[idx + 1].content.length === 0) &&
(tokens[idx + 2].type === 'paragraph_close' && tokens[idx + 2].tight)) {
return nextToken(tokens, idx + 2);
}
return idx;
}
/**
* Check to see if `\n` is needed before the next token.
*
* @param {Array} `tokens`
* @param {Number} `idx`
* @return {String} Empty string or newline
* @api private
*/
var getBreak = rules.getBreak = function getBreak(tokens, idx) {
idx = nextToken(tokens, idx);
if (idx < tokens.length && tokens[idx].type === 'list_item_close') {
return '';
}
return '\n';
};
/**
* Renderer class. Renders HTML and exposes `rules` to allow
* local modifications.
*/
function Renderer() {
this.rules = assign({}, rules);
// exported helper, for custom rules only
this.getBreak = rules.getBreak;
}
/**
* Render a string of inline HTML with the given `tokens` and
* `options`.
*
* @param {Array} `tokens`
* @param {Object} `options`
* @param {Object} `env`
* @return {String}
* @api public
*/
Renderer.prototype.renderInline = function (tokens, options, env) {
var _rules = this.rules;
var len = tokens.length, i = 0;
var result = '';
while (len--) {
result += _rules[tokens[i].type](tokens, i++, options, env, this);
}
return result;
};
/**
* Render a string of HTML with the given `tokens` and
* `options`.
*
* @param {Array} `tokens`
* @param {Object} `options`
* @param {Object} `env`
* @return {String}
* @api public
*/
Renderer.prototype.render = function (tokens, options, env) {
var _rules = this.rules;
var len = tokens.length, i = -1;
var result = '';
while (++i < len) {
if (tokens[i].type === 'inline') {
result += this.renderInline(tokens[i].children, options, env);
} else {
result += _rules[tokens[i].type](tokens, i, options, env, this);
}
}
return result;
};
/**
* Ruler is a helper class for building responsibility chains from
* parse rules. It allows:
*
* - easy stack rules chains
* - getting main chain and named chains content (as arrays of functions)
*
* Helper methods, should not be used directly.
* @api private
*/
function Ruler() {
// List of added rules. Each element is:
//
// { name: XXX,
// enabled: Boolean,
// fn: Function(),
// alt: [ name2, name3 ] }
//
this.__rules__ = [];
// Cached rule chains.
//
// First level - chain name, '' for default.
// Second level - digital anchor for fast filtering by charcodes.
//
this.__cache__ = null;
}
/**
* Find the index of a rule by `name`.
*
* @param {String} `name`
* @return {Number} Index of the given `name`
* @api private
*/
Ruler.prototype.__find__ = function (name) {
var len = this.__rules__.length;
var i = -1;
while (len--) {
if (this.__rules__[++i].name === name) {
return i;
}
}
return -1;
};
/**
* Build the rules lookup cache
*
* @api private
*/
Ruler.prototype.__compile__ = function () {
var self = this;
var chains = [ '' ];
// collect unique names
self.__rules__.forEach(function (rule) {
if (!rule.enabled) {
return;
}
rule.alt.forEach(function (altName) {
if (chains.indexOf(altName) < 0) {
chains.push(altName);
}
});
});
self.__cache__ = {};
chains.forEach(function (chain) {
self.__cache__[chain] = [];
self.__rules__.forEach(function (rule) {
if (!rule.enabled) {
return;
}
if (chain && rule.alt.indexOf(chain) < 0) {
return;
}
self.__cache__[chain].push(rule.fn);
});
});
};
/**
* Ruler public methods
* ------------------------------------------------
*/
/**
* Replace rule function
*
* @param {String} `name` Rule name
* @param {Function `fn`
* @param {Object} `options`
* @api private
*/
Ruler.prototype.at = function (name, fn, options) {
var idx = this.__find__(name);
var opt = options || {};
if (idx === -1) {
throw new Error('Parser rule not found: ' + name);
}
this.__rules__[idx].fn = fn;
this.__rules__[idx].alt = opt.alt || [];
this.__cache__ = null;
};
/**
* Add a rule to the chain before given the `ruleName`.
*
* @param {String} `beforeName`
* @param {String} `ruleName`
* @param {Function} `fn`
* @param {Object} `options`
* @api private
*/
Ruler.prototype.before = function (beforeName, ruleName, fn, options) {
var idx = this.__find__(beforeName);
var opt = options || {};
if (idx === -1) {
throw new Error('Parser rule not found: ' + beforeName);
}
this.__rules__.splice(idx, 0, {
name: ruleName,
enabled: true,
fn: fn,
alt: opt.alt || []
});
this.__cache__ = null;
};
/**
* Add a rule to the chain after the given `ruleName`.
*
* @param {String} `afterName`
* @param {String} `ruleName`
* @param {Function} `fn`
* @param {Object} `options`
* @api private
*/
Ruler.prototype.after = function (afterName, ruleName, fn, options) {
var idx = this.__find__(afterName);
var opt = options || {};
if (idx === -1) {
throw new Error('Parser rule not found: ' + afterName);
}
this.__rules__.splice(idx + 1, 0, {
name: ruleName,
enabled: true,
fn: fn,
alt: opt.alt || []
});
this.__cache__ = null;
};
/**
* Add a rule to the end of chain.
*
* @param {String} `ruleName`
* @param {Function} `fn`
* @param {Object} `options`
* @return {String}
*/
Ruler.prototype.push = function (ruleName, fn, options) {
var opt = options || {};
this.__rules__.push({
name: ruleName,
enabled: true,
fn: fn,
alt: opt.alt || []
});
this.__cache__ = null;
};
/**
* Enable a rule or list of rules.
*
* @param {String|Array} `list` Name or array of rule names to enable
* @param {Boolean} `strict` If `true`, all non listed rules will be disabled.
* @api private
*/
Ruler.prototype.enable = function (list, strict) {
list = !Array.isArray(list)
? [ list ]
: list;
// In strict mode disable all existing rules first
if (strict) {
this.__rules__.forEach(function (rule) {
rule.enabled = false;
});
}
// Search by name and enable
list.forEach(function (name) {
var idx = this.__find__(name);
if (idx < 0) {
throw new Error('Rules manager: invalid rule name ' + name);
}
this.__rules__[idx].enabled = true;
}, this);
this.__cache__ = null;
};
/**
* Disable a rule or list of rules.
*
* @param {String|Array} `list` Name or array of rule names to disable
* @api private
*/
Ruler.prototype.disable = function (list) {
list = !Array.isArray(list)
? [ list ]
: list;
// Search by name and disable
list.forEach(function (name) {
var idx = this.__find__(name);
if (idx < 0) {
throw new Error('Rules manager: invalid rule name ' + name);
}
this.__rules__[idx].enabled = false;
}, this);
this.__cache__ = null;
};
/**
* Get a rules list as an array of functions.
*
* @param {String} `chainName`
* @return {Object}
* @api private
*/
Ruler.prototype.getRules = function (chainName) {
if (this.__cache__ === null) {
this.__compile__();
}
return this.__cache__[chainName] || [];
};
function block(state) {
if (state.inlineMode) {
state.tokens.push({
type: 'inline',
content: state.src.replace(/\n/g, ' ').trim(),
level: 0,
lines: [ 0, 1 ],
children: []
});
} else {
state.block.parse(state.src, state.options, state.env, state.tokens);
}
}
// Inline parser state
function StateInline(src, parserInline, options, env, outTokens) {
this.src = src;
this.env = env;
this.options = options;
this.parser = parserInline;
this.tokens = outTokens;
this.pos = 0;
this.posMax = this.src.length;
this.level = 0;
this.pending = '';
this.pendingLevel = 0;
this.cache = []; // Stores { start: end } pairs. Useful for backtrack
// optimization of pairs parse (emphasis, strikes).
// Link parser state vars
this.isInLabel = false; // Set true when seek link label - we should disable
// "paired" rules (emphasis, strikes) to not skip
// tailing `]`
this.linkLevel = 0; // Increment for each nesting link. Used to prevent
// nesting in definitions
this.linkContent = ''; // Temporary storage for link url
this.labelUnmatchedScopes = 0; // Track unpaired `[` for link labels
// (backtrack optimization)
}
// Flush pending text
//
StateInline.prototype.pushPending = function () {
this.tokens.push({
type: 'text',
content: this.pending,
level: this.pendingLevel
});
this.pending = '';
};
// Push new token to "stream".
// If pending text exists - flush it as text token
//
StateInline.prototype.push = function (token) {
if (this.pending) {
this.pushPending();
}
this.tokens.push(token);
this.pendingLevel = this.level;
};
// Store value to cache.
// !!! Implementation has parser-specific optimizations
// !!! keys MUST be integer, >= 0; values MUST be integer, > 0
//
StateInline.prototype.cacheSet = function (key, val) {
for (var i = this.cache.length; i <= key; i++) {
this.cache.push(0);
}
this.cache[key] = val;
};
// Get cache value
//
StateInline.prototype.cacheGet = function (key) {
return key < this.cache.length ? this.cache[key] : 0;
};
/**
* Parse link labels
*
* This function assumes that first character (`[`) already matches;
* returns the end of the label.
*
* @param {Object} state
* @param {Number} start
* @api private
*/
function parseLinkLabel(state, start) {
var level, found, marker,
labelEnd = -1,
max = state.posMax,
oldPos = state.pos,
oldFlag = state.isInLabel;
if (state.isInLabel) { return -1; }
if (state.labelUnmatchedScopes) {
state.labelUnmatchedScopes--;
return -1;
}
state.pos = start + 1;
state.isInLabel = true;
level = 1;
while (state.pos < max) {
marker = state.src.charCodeAt(state.pos);
if (marker === 0x5B /* [ */) {
level++;
} else if (marker === 0x5D /* ] */) {
level--;
if (level === 0) {
found = true;
break;
}
}
state.parser.skipToken(state);
}
if (found) {
labelEnd = state.pos;
state.labelUnmatchedScopes = 0;
} else {
state.labelUnmatchedScopes = level - 1;
}
// restore old state
state.pos = oldPos;
state.isInLabel = oldFlag;
return labelEnd;
}
// Parse abbreviation definitions, i.e. `*[abbr]: description`
function parseAbbr(str, parserInline, options, env) {
var state, labelEnd, pos, max, label, title;
if (str.charCodeAt(0) !== 0x2A/* * */) { return -1; }
if (str.charCodeAt(1) !== 0x5B/* [ */) { return -1; }
if (str.indexOf(']:') === -1) { return -1; }
state = new StateInline(str, parserInline, options, env, []);
labelEnd = parseLinkLabel(state, 1);
if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return -1; }
max = state.posMax;
// abbr title is always one line, so looking for ending "\n" here
for (pos = labelEnd + 2; pos < max; pos++) {
if (state.src.charCodeAt(pos) === 0x0A) { break; }
}
label = str.slice(2, labelEnd);
title = str.slice(labelEnd + 2, pos).trim();
if (title.length === 0) { return -1; }
if (!env.abbreviations) { env.abbreviations = {}; }
// prepend ':' to avoid conflict with Object.prototype members
if (typeof env.abbreviations[':' + label] === 'undefined') {
env.abbreviations[':' + label] = title;
}
return pos;
}
function abbr(state) {
var tokens = state.tokens, i, l, content, pos;
if (state.inlineMode) {
return;
}
// Parse inlines
for (i = 1, l = tokens.length - 1; i < l; i++) {
if (tokens[i - 1].type === 'paragraph_open' &&
tokens[i].type === 'inline' &&
tokens[i + 1].type === 'paragraph_close') {
content = tokens[i].content;
while (content.length) {
pos = parseAbbr(content, state.inline, state.options, state.env);
if (pos < 0) { break; }
content = content.slice(pos).trim();
}
tokens[i].content = content;
if (!content.length) {
tokens[i - 1].tight = true;
tokens[i + 1].tight = true;
}
}
}
}
function normalizeLink(url) {
var normalized = replaceEntities(url);
// We shouldn't care about the result of malformed URIs,
// and should not throw an exception.
try {
normalized = decodeURI(normalized);
} catch (err) {}
return encodeURI(normalized);
}
/**
* Parse link destination
*
* - on success it returns a string and updates state.pos;
* - on failure it returns null
*
* @param {Object} state
* @param {Number} pos
* @api private
*/
function parseLinkDestination(state, pos) {
var code, level, link,
start = pos,
max = state.posMax;
if (state.src.charCodeAt(pos) === 0x3C /* < */) {
pos++;
while (pos < max) {
code = state.src.charCodeAt(pos);
if (code === 0x0A /* \n */) { return false; }
if (code === 0x3E /* > */) {
link = normalizeLink(unescapeMd(state.src.slice(start + 1, pos)));
if (!state.parser.validateLink(link)) { return false; }
state.pos = pos + 1;
state.linkContent = link;
return true;
}
if (code === 0x5C /* \ */ && pos + 1 < max) {
pos += 2;
continue;
}
pos++;
}
// no closing '>'
return false;
}
// this should be ... } else { ... branch
level = 0;
while (pos < max) {
code = state.src.charCodeAt(pos);
if (code === 0x20) { break; }
// ascii control chars
if (code < 0x20 || code === 0x7F) { break; }
if (code === 0x5C /* \ */ && pos + 1 < max) {
pos += 2;
continue;
}
if (code === 0x28 /* ( */) {
level++;
if (level > 1) { break; }
}
if (code === 0x29 /* ) */) {
level--;
if (level < 0) { break; }
}
pos++;
}
if (start === pos) { return false; }
link = unescapeMd(state.src.slice(start, pos));
if (!state.parser.validateLink(link)) { return false; }
state.linkContent = link;
state.pos = pos;
return true;
}
/**
* Parse link title
*
* - on success it returns a string and updates state.pos;
* - on failure it returns null
*
* @param {Object} state
* @param {Number} pos
* @api private
*/
function parseLinkTitle(state, pos) {
var code,
start = pos,
max = state.posMax,
marker = state.src.charCodeAt(pos);
if (marker !== 0x22 /* " */ && marker !== 0x27 /* ' */ && marker !== 0x28 /* ( */) { return false; }
pos++;
// if opening marker is "(", switch it to closing marker ")"
if (marker === 0x28) { marker = 0x29; }
while (pos < max) {
code = state.src.charCodeAt(pos);
if (code === marker) {
state.pos = pos + 1;
state.linkContent = unescapeMd(state.src.slice(start + 1, pos));
return true;
}
if (code === 0x5C /* \ */ && pos + 1 < max) {
pos += 2;
continue;
}
pos++;
}
return false;
}
function normalizeReference(str) {
// use .toUpperCase() instead of .toLowerCase()
// here to avoid a conflict with Object.prototype
// members (most notably, `__proto__`)
return str.trim().replace(/\s+/g, ' ').toUpperCase();
}
function parseReference(str, parser, options, env) {
var state, labelEnd, pos, max, code, start, href, title, label;
if (str.charCodeAt(0) !== 0x5B/* [ */) { return -1; }
if (str.indexOf(']:') === -1) { return -1; }
state = new StateInline(str, parser, options, env, []);
labelEnd = parseLinkLabel(state, 0);
if (labelEnd < 0 || str.charCodeAt(labelEnd + 1) !== 0x3A/* : */) { return -1; }
max = state.posMax;
// [label]: destination 'title'
// ^^^ skip optional whitespace here
for (pos = labelEnd + 2; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
// [label]: destination 'title'
// ^^^^^^^^^^^ parse this
if (!parseLinkDestination(state, pos)) { return -1; }
href = state.linkContent;
pos = state.pos;
// [label]: destination 'title'
// ^^^ skipping those spaces
start = pos;
for (pos = pos + 1; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
// [label]: destination 'title'
// ^^^^^^^ parse this
if (pos < max && start !== pos && parseLinkTitle(state, pos)) {
title = state.linkContent;
pos = state.pos;
} else {
title = '';
pos = start;
}
// ensure that the end of the line is empty
while (pos < max && state.src.charCodeAt(pos) === 0x20/* space */) { pos++; }
if (pos < max && state.src.charCodeAt(pos) !== 0x0A) { return -1; }
label = normalizeReference(str.slice(1, labelEnd));
if (typeof env.references[label] === 'undefined') {
env.references[label] = { title: title, href: href };
}
return pos;
}
function references(state) {
var tokens = state.tokens, i, l, content, pos;
state.env.references = state.env.references || {};
if (state.inlineMode) {
return;
}
// Scan definitions in paragraph inlines
for (i = 1, l = tokens.length - 1; i < l; i++) {
if (tokens[i].type === 'inline' &&
tokens[i - 1].type === 'paragraph_open' &&
tokens[i + 1].type === 'paragraph_close') {
content = tokens[i].content;
while (content.length) {
pos = parseReference(content, state.inline, state.options, state.env);
if (pos < 0) { break; }
content = content.slice(pos).trim();
}
tokens[i].content = content;
if (!content.length) {
tokens[i - 1].tight = true;
tokens[i + 1].tight = true;
}
}
}
}
function inline(state) {
var tokens = state.tokens, tok, i, l;
// Parse inlines
for (i = 0, l = tokens.length; i < l; i++) {
tok = tokens[i];
if (tok.type === 'inline') {
state.inline.parse(tok.content, state.options, state.env, tok.children);
}
}
}
function footnote_block(state) {
var i, l, j, t, lastParagraph, list, tokens, current, currentLabel,
level = 0,
insideRef = false,
refTokens = {};
if (!state.env.footnotes) { return; }
state.tokens = state.tokens.filter(function(tok) {
if (tok.type === 'footnote_reference_open') {
insideRef = true;
current = [];
currentLabel = tok.label;
return false;
}
if (tok.type === 'footnote_reference_close') {
insideRef = false;
// prepend ':' to avoid conflict with Object.prototype members
refTokens[':' + currentLabel] = current;
return false;
}
if (insideRef) { current.push(tok); }
return !insideRef;
});
if (!state.env.footnotes.list) { return; }
list = state.env.footnotes.list;
state.tokens.push({
type: 'footnote_block_open',
level: level++
});
for (i = 0, l = list.length; i < l; i++) {
state.tokens.push({
type: 'footnote_open',
id: i,
level: level++
});
if (list[i].tokens) {
tokens = [];
tokens.push({
type: 'paragraph_open',
tight: false,
level: level++
});
tokens.push({
type: 'inline',
content: '',
level: level,
children: list[i].tokens
});
tokens.push({
type: 'paragraph_close',
tight: false,
level: --level
});
} else if (list[i].label) {
tokens = refTokens[':' + list[i].label];
}
state.tokens = state.tokens.concat(tokens);
if (state.tokens[state.tokens.length - 1].type === 'paragraph_close') {
lastParagraph = state.tokens.pop();
} else {
lastParagraph = null;
}
t = list[i].count > 0 ? list[i].count : 1;
for (j = 0; j < t; j++) {
state.tokens.push({
type: 'footnote_anchor',
id: i,
subId: j,
level: level
});
}
if (lastParagraph) {
state.tokens.push(lastParagraph);
}
state.tokens.push({
type: 'footnote_close',
level: --level
});
}
state.tokens.push({
type: 'footnote_block_close',
level: --level
});
}
// Enclose abbreviations in tags
//
var PUNCT_CHARS = ' \n()[]\'".,!?-';
// from Google closure library
// http://closure-library.googlecode.com/git-history/docs/local_closure_goog_string_string.js.source.html#line1021
function regEscape(s) {
return s.replace(/([-()\[\]{}+?*.$\^|,:#= 0; i--) {
token = tokens[i];
if (token.type !== 'text') { continue; }
pos = 0;
text = token.content;
reg.lastIndex = 0;
level = token.level;
nodes = [];
while ((m = reg.exec(text))) {
if (reg.lastIndex > pos) {
nodes.push({
type: 'text',
content: text.slice(pos, m.index + m[1].length),
level: level
});
}
nodes.push({
type: 'abbr_open',
title: state.env.abbreviations[':' + m[2]],
level: level++
});
nodes.push({
type: 'text',
content: m[2],
level: level
});
nodes.push({
type: 'abbr_close',
level: --level
});
pos = reg.lastIndex - m[3].length;
}
if (!nodes.length) { continue; }
if (pos < text.length) {
nodes.push({
type: 'text',
content: text.slice(pos),
level: level
});
}
// replace current node
blockTokens[j].children = tokens = [].concat(tokens.slice(0, i), nodes, tokens.slice(i + 1));
}
}
}
// Simple typographical replacements
//
// TODO:
// - fractionals 1/2, 1/4, 3/4 -> ½, ¼, ¾
// - miltiplication 2 x 4 -> 2 × 4
var RARE_RE = /\+-|\.\.|\?\?\?\?|!!!!|,,|--/;
var SCOPED_ABBR_RE = /\((c|tm|r|p)\)/ig;
var SCOPED_ABBR = {
'c': '©',
'r': '®',
'p': '§',
'tm': '™'
};
function replaceScopedAbbr(str) {
if (str.indexOf('(') < 0) { return str; }
return str.replace(SCOPED_ABBR_RE, function(match, name) {
return SCOPED_ABBR[name.toLowerCase()];
});
}
function replace(state) {
var i, token, text, inlineTokens, blkIdx;
if (!state.options.typographer) { return; }
for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
if (state.tokens[blkIdx].type !== 'inline') { continue; }
inlineTokens = state.tokens[blkIdx].children;
for (i = inlineTokens.length - 1; i >= 0; i--) {
token = inlineTokens[i];
if (token.type === 'text') {
text = token.content;
text = replaceScopedAbbr(text);
if (RARE_RE.test(text)) {
text = text
.replace(/\+-/g, '±')
// .., ..., ....... -> …
// but ?..... & !..... -> ?.. & !..
.replace(/\.{2,}/g, '…').replace(/([?!])…/g, '$1..')
.replace(/([?!]){4,}/g, '$1$1$1').replace(/,{2,}/g, ',')
// em-dash
.replace(/(^|[^-])---([^-]|$)/mg, '$1\u2014$2')
// en-dash
.replace(/(^|\s)--(\s|$)/mg, '$1\u2013$2')
.replace(/(^|[^-\s])--([^-\s]|$)/mg, '$1\u2013$2');
}
token.content = text;
}
}
}
}
// Convert straight quotation marks to typographic ones
//
var QUOTE_TEST_RE = /['"]/;
var QUOTE_RE = /['"]/g;
var PUNCT_RE = /[-\s()\[\]]/;
var APOSTROPHE = '’';
// This function returns true if the character at `pos`
// could be inside a word.
function isLetter(str, pos) {
if (pos < 0 || pos >= str.length) { return false; }
return !PUNCT_RE.test(str[pos]);
}
function replaceAt(str, index, ch) {
return str.substr(0, index) + ch + str.substr(index + 1);
}
function smartquotes(state) {
/*eslint max-depth:0*/
var i, token, text, t, pos, max, thisLevel, lastSpace, nextSpace, item,
canOpen, canClose, j, isSingle, blkIdx, tokens,
stack;
if (!state.options.typographer) { return; }
stack = [];
for (blkIdx = state.tokens.length - 1; blkIdx >= 0; blkIdx--) {
if (state.tokens[blkIdx].type !== 'inline') { continue; }
tokens = state.tokens[blkIdx].children;
stack.length = 0;
for (i = 0; i < tokens.length; i++) {
token = tokens[i];
if (token.type !== 'text' || QUOTE_TEST_RE.test(token.text)) { continue; }
thisLevel = tokens[i].level;
for (j = stack.length - 1; j >= 0; j--) {
if (stack[j].level <= thisLevel) { break; }
}
stack.length = j + 1;
text = token.content;
pos = 0;
max = text.length;
/*eslint no-labels:0,block-scoped-var:0*/
OUTER:
while (pos < max) {
QUOTE_RE.lastIndex = pos;
t = QUOTE_RE.exec(text);
if (!t) { break; }
lastSpace = !isLetter(text, t.index - 1);
pos = t.index + 1;
isSingle = (t[0] === "'");
nextSpace = !isLetter(text, pos);
if (!nextSpace && !lastSpace) {
// middle of word
if (isSingle) {
token.content = replaceAt(token.content, t.index, APOSTROPHE);
}
continue;
}
canOpen = !nextSpace;
canClose = !lastSpace;
if (canClose) {
// this could be a closing quote, rewind the stack to get a match
for (j = stack.length - 1; j >= 0; j--) {
item = stack[j];
if (stack[j].level < thisLevel) { break; }
if (item.single === isSingle && stack[j].level === thisLevel) {
item = stack[j];
if (isSingle) {
tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, state.options.quotes[2]);
token.content = replaceAt(token.content, t.index, state.options.quotes[3]);
} else {
tokens[item.token].content = replaceAt(tokens[item.token].content, item.pos, state.options.quotes[0]);
token.content = replaceAt(token.content, t.index, state.options.quotes[1]);
}
stack.length = j;
continue OUTER;
}
}
}
if (canOpen) {
stack.push({
token: i,
pos: t.index,
single: isSingle,
level: thisLevel
});
} else if (canClose && isSingle) {
token.content = replaceAt(token.content, t.index, APOSTROPHE);
}
}
}
}
}
/**
* Core parser `rules`
*/
var _rules = [
[ 'block', block ],
[ 'abbr', abbr ],
[ 'references', references ],
[ 'inline', inline ],
[ 'footnote_tail', footnote_block ],
[ 'abbr2', abbr2 ],
[ 'replacements', replace ],
[ 'smartquotes', smartquotes ],
];
/**
* Class for top level (`core`) parser rules
*
* @api private
*/
function Core() {
this.options = {};
this.ruler = new Ruler();
for (var i = 0; i < _rules.length; i++) {
this.ruler.push(_rules[i][0], _rules[i][1]);
}
}
/**
* Process rules with the given `state`
*
* @param {Object} `state`
* @api private
*/
Core.prototype.process = function (state) {
var i, l, rules;
rules = this.ruler.getRules('');
for (i = 0, l = rules.length; i < l; i++) {
rules[i](state);
}
};
// Parser state class
function StateBlock(src, parser, options, env, tokens) {
var ch, s, start, pos, len, indent, indent_found;
this.src = src;
// Shortcuts to simplify nested calls
this.parser = parser;
this.options = options;
this.env = env;
//
// Internal state vartiables
//
this.tokens = tokens;
this.bMarks = []; // line begin offsets for fast jumps
this.eMarks = []; // line end offsets for fast jumps
this.tShift = []; // indent for each line
// block parser variables
this.blkIndent = 0; // required block content indent
// (for example, if we are in list)
this.line = 0; // line index in src
this.lineMax = 0; // lines count
this.tight = false; // loose/tight mode for lists
this.parentType = 'root'; // if `list`, block parser stops on two newlines
this.ddIndent = -1; // indent of the current dd block (-1 if there isn't any)
this.level = 0;
// renderer
this.result = '';
// Create caches
// Generate markers.
s = this.src;
indent = 0;
indent_found = false;
for (start = pos = indent = 0, len = s.length; pos < len; pos++) {
ch = s.charCodeAt(pos);
if (!indent_found) {
if (ch === 0x20/* space */) {
indent++;
continue;
} else {
indent_found = true;
}
}
if (ch === 0x0A || pos === len - 1) {
if (ch !== 0x0A) { pos++; }
this.bMarks.push(start);
this.eMarks.push(pos);
this.tShift.push(indent);
indent_found = false;
indent = 0;
start = pos + 1;
}
}
// Push fake entry to simplify cache bounds checks
this.bMarks.push(s.length);
this.eMarks.push(s.length);
this.tShift.push(0);
this.lineMax = this.bMarks.length - 1; // don't count last fake line
}
StateBlock.prototype.isEmpty = function isEmpty(line) {
return this.bMarks[line] + this.tShift[line] >= this.eMarks[line];
};
StateBlock.prototype.skipEmptyLines = function skipEmptyLines(from) {
for (var max = this.lineMax; from < max; from++) {
if (this.bMarks[from] + this.tShift[from] < this.eMarks[from]) {
break;
}
}
return from;
};
// Skip spaces from given position.
StateBlock.prototype.skipSpaces = function skipSpaces(pos) {
for (var max = this.src.length; pos < max; pos++) {
if (this.src.charCodeAt(pos) !== 0x20/* space */) { break; }
}
return pos;
};
// Skip char codes from given position
StateBlock.prototype.skipChars = function skipChars(pos, code) {
for (var max = this.src.length; pos < max; pos++) {
if (this.src.charCodeAt(pos) !== code) { break; }
}
return pos;
};
// Skip char codes reverse from given position - 1
StateBlock.prototype.skipCharsBack = function skipCharsBack(pos, code, min) {
if (pos <= min) { return pos; }
while (pos > min) {
if (code !== this.src.charCodeAt(--pos)) { return pos + 1; }
}
return pos;
};
// cut lines range from source.
StateBlock.prototype.getLines = function getLines(begin, end, indent, keepLastLF) {
var i, first, last, queue, shift,
line = begin;
if (begin >= end) {
return '';
}
// Opt: don't use push queue for single line;
if (line + 1 === end) {
first = this.bMarks[line] + Math.min(this.tShift[line], indent);
last = keepLastLF ? this.eMarks[line] + 1 : this.eMarks[line];
return this.src.slice(first, last);
}
queue = new Array(end - begin);
for (i = 0; line < end; line++, i++) {
shift = this.tShift[line];
if (shift > indent) { shift = indent; }
if (shift < 0) { shift = 0; }
first = this.bMarks[line] + shift;
if (line + 1 < end || keepLastLF) {
// No need for bounds check because we have fake entry on tail.
last = this.eMarks[line] + 1;
} else {
last = this.eMarks[line];
}
queue[i] = this.src.slice(first, last);
}
return queue.join('');
};
// Code block (4 spaces padded)
function code(state, startLine, endLine/*, silent*/) {
var nextLine, last;
if (state.tShift[startLine] - state.blkIndent < 4) { return false; }
last = nextLine = startLine + 1;
while (nextLine < endLine) {
if (state.isEmpty(nextLine)) {
nextLine++;
continue;
}
if (state.tShift[nextLine] - state.blkIndent >= 4) {
nextLine++;
last = nextLine;
continue;
}
break;
}
state.line = nextLine;
state.tokens.push({
type: 'code',
content: state.getLines(startLine, last, 4 + state.blkIndent, true),
block: true,
lines: [ startLine, state.line ],
level: state.level
});
return true;
}
// fences (``` lang, ~~~ lang)
function fences(state, startLine, endLine, silent) {
var marker, len, params, nextLine, mem,
haveEndMarker = false,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
if (pos + 3 > max) { return false; }
marker = state.src.charCodeAt(pos);
if (marker !== 0x7E/* ~ */ && marker !== 0x60 /* ` */) {
return false;
}
// scan marker length
mem = pos;
pos = state.skipChars(pos, marker);
len = pos - mem;
if (len < 3) { return false; }
params = state.src.slice(pos, max).trim();
if (params.indexOf('`') >= 0) { return false; }
// Since start is found, we can report success here in validation mode
if (silent) { return true; }
// search end of block
nextLine = startLine;
for (;;) {
nextLine++;
if (nextLine >= endLine) {
// unclosed block should be autoclosed by end of document.
// also block seems to be autoclosed by end of parent
break;
}
pos = mem = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
if (pos < max && state.tShift[nextLine] < state.blkIndent) {
// non-empty line with negative indent should stop the list:
// - ```
// test
break;
}
if (state.src.charCodeAt(pos) !== marker) { continue; }
if (state.tShift[nextLine] - state.blkIndent >= 4) {
// closing fence should be indented less than 4 spaces
continue;
}
pos = state.skipChars(pos, marker);
// closing code fence must be at least as long as the opening one
if (pos - mem < len) { continue; }
// make sure tail has spaces only
pos = state.skipSpaces(pos);
if (pos < max) { continue; }
haveEndMarker = true;
// found!
break;
}
// If a fence has heading spaces, they should be removed from its inner block
len = state.tShift[startLine];
state.line = nextLine + (haveEndMarker ? 1 : 0);
state.tokens.push({
type: 'fence',
params: params,
content: state.getLines(startLine + 1, nextLine, len, true),
lines: [ startLine, state.line ],
level: state.level
});
return true;
}
// Block quotes
function blockquote(state, startLine, endLine, silent) {
var nextLine, lastLineEmpty, oldTShift, oldBMarks, oldIndent, oldParentType, lines,
terminatorRules,
i, l, terminate,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
if (pos > max) { return false; }
// check the block quote marker
if (state.src.charCodeAt(pos++) !== 0x3E/* > */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
// we know that it's going to be a valid blockquote,
// so no point trying to find the end of it in silent mode
if (silent) { return true; }
// skip one optional space after '>'
if (state.src.charCodeAt(pos) === 0x20) { pos++; }
oldIndent = state.blkIndent;
state.blkIndent = 0;
oldBMarks = [ state.bMarks[startLine] ];
state.bMarks[startLine] = pos;
// check if we have an empty blockquote
pos = pos < max ? state.skipSpaces(pos) : pos;
lastLineEmpty = pos >= max;
oldTShift = [ state.tShift[startLine] ];
state.tShift[startLine] = pos - state.bMarks[startLine];
terminatorRules = state.parser.ruler.getRules('blockquote');
// Search the end of the block
//
// Block ends with either:
// 1. an empty line outside:
// ```
// > test
//
// ```
// 2. an empty line inside:
// ```
// >
// test
// ```
// 3. another tag
// ```
// > test
// - - -
// ```
for (nextLine = startLine + 1; nextLine < endLine; nextLine++) {
pos = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
if (pos >= max) {
// Case 1: line is not inside the blockquote, and this line is empty.
break;
}
if (state.src.charCodeAt(pos++) === 0x3E/* > */) {
// This line is inside the blockquote.
// skip one optional space after '>'
if (state.src.charCodeAt(pos) === 0x20) { pos++; }
oldBMarks.push(state.bMarks[nextLine]);
state.bMarks[nextLine] = pos;
pos = pos < max ? state.skipSpaces(pos) : pos;
lastLineEmpty = pos >= max;
oldTShift.push(state.tShift[nextLine]);
state.tShift[nextLine] = pos - state.bMarks[nextLine];
continue;
}
// Case 2: line is not inside the blockquote, and the last line was empty.
if (lastLineEmpty) { break; }
// Case 3: another tag found.
terminate = false;
for (i = 0, l = terminatorRules.length; i < l; i++) {
if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
}
if (terminate) { break; }
oldBMarks.push(state.bMarks[nextLine]);
oldTShift.push(state.tShift[nextLine]);
// A negative number means that this is a paragraph continuation;
//
// Any negative number will do the job here, but it's better for it
// to be large enough to make any bugs obvious.
state.tShift[nextLine] = -1337;
}
oldParentType = state.parentType;
state.parentType = 'blockquote';
state.tokens.push({
type: 'blockquote_open',
lines: lines = [ startLine, 0 ],
level: state.level++
});
state.parser.tokenize(state, startLine, nextLine);
state.tokens.push({
type: 'blockquote_close',
level: --state.level
});
state.parentType = oldParentType;
lines[1] = state.line;
// Restore original tShift; this might not be necessary since the parser
// has already been here, but just to make sure we can do that.
for (i = 0; i < oldTShift.length; i++) {
state.bMarks[i + startLine] = oldBMarks[i];
state.tShift[i + startLine] = oldTShift[i];
}
state.blkIndent = oldIndent;
return true;
}
// Horizontal rule
function hr(state, startLine, endLine, silent) {
var marker, cnt, ch,
pos = state.bMarks[startLine],
max = state.eMarks[startLine];
pos += state.tShift[startLine];
if (pos > max) { return false; }
marker = state.src.charCodeAt(pos++);
// Check hr marker
if (marker !== 0x2A/* * */ &&
marker !== 0x2D/* - */ &&
marker !== 0x5F/* _ */) {
return false;
}
// markers can be mixed with spaces, but there should be at least 3 one
cnt = 1;
while (pos < max) {
ch = state.src.charCodeAt(pos++);
if (ch !== marker && ch !== 0x20/* space */) { return false; }
if (ch === marker) { cnt++; }
}
if (cnt < 3) { return false; }
if (silent) { return true; }
state.line = startLine + 1;
state.tokens.push({
type: 'hr',
lines: [ startLine, state.line ],
level: state.level
});
return true;
}
// Lists
// Search `[-+*][\n ]`, returns next pos arter marker on success
// or -1 on fail.
function skipBulletListMarker(state, startLine) {
var marker, pos, max;
pos = state.bMarks[startLine] + state.tShift[startLine];
max = state.eMarks[startLine];
if (pos >= max) { return -1; }
marker = state.src.charCodeAt(pos++);
// Check bullet
if (marker !== 0x2A/* * */ &&
marker !== 0x2D/* - */ &&
marker !== 0x2B/* + */) {
return -1;
}
if (pos < max && state.src.charCodeAt(pos) !== 0x20) {
// " 1.test " - is not a list item
return -1;
}
return pos;
}
// Search `\d+[.)][\n ]`, returns next pos arter marker on success
// or -1 on fail.
function skipOrderedListMarker(state, startLine) {
var ch,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
if (pos + 1 >= max) { return -1; }
ch = state.src.charCodeAt(pos++);
if (ch < 0x30/* 0 */ || ch > 0x39/* 9 */) { return -1; }
for (;;) {
// EOL -> fail
if (pos >= max) { return -1; }
ch = state.src.charCodeAt(pos++);
if (ch >= 0x30/* 0 */ && ch <= 0x39/* 9 */) {
continue;
}
// found valid marker
if (ch === 0x29/* ) */ || ch === 0x2e/* . */) {
break;
}
return -1;
}
if (pos < max && state.src.charCodeAt(pos) !== 0x20/* space */) {
// " 1.test " - is not a list item
return -1;
}
return pos;
}
function markTightParagraphs(state, idx) {
var i, l,
level = state.level + 2;
for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
state.tokens[i + 2].tight = true;
state.tokens[i].tight = true;
i += 2;
}
}
}
function list(state, startLine, endLine, silent) {
var nextLine,
indent,
oldTShift,
oldIndent,
oldTight,
oldParentType,
start,
posAfterMarker,
max,
indentAfterMarker,
markerValue,
markerCharCode,
isOrdered,
contentStart,
listTokIdx,
prevEmptyEnd,
listLines,
itemLines,
tight = true,
terminatorRules,
i, l, terminate;
// Detect list type and position after marker
if ((posAfterMarker = skipOrderedListMarker(state, startLine)) >= 0) {
isOrdered = true;
} else if ((posAfterMarker = skipBulletListMarker(state, startLine)) >= 0) {
isOrdered = false;
} else {
return false;
}
if (state.level >= state.options.maxNesting) { return false; }
// We should terminate list on style change. Remember first one to compare.
markerCharCode = state.src.charCodeAt(posAfterMarker - 1);
// For validation mode we can terminate immediately
if (silent) { return true; }
// Start list
listTokIdx = state.tokens.length;
if (isOrdered) {
start = state.bMarks[startLine] + state.tShift[startLine];
markerValue = Number(state.src.substr(start, posAfterMarker - start - 1));
state.tokens.push({
type: 'ordered_list_open',
order: markerValue,
lines: listLines = [ startLine, 0 ],
level: state.level++
});
} else {
state.tokens.push({
type: 'bullet_list_open',
lines: listLines = [ startLine, 0 ],
level: state.level++
});
}
//
// Iterate list items
//
nextLine = startLine;
prevEmptyEnd = false;
terminatorRules = state.parser.ruler.getRules('list');
while (nextLine < endLine) {
contentStart = state.skipSpaces(posAfterMarker);
max = state.eMarks[nextLine];
if (contentStart >= max) {
// trimming space in "- \n 3" case, indent is 1 here
indentAfterMarker = 1;
} else {
indentAfterMarker = contentStart - posAfterMarker;
}
// If we have more than 4 spaces, the indent is 1
// (the rest is just indented code block)
if (indentAfterMarker > 4) { indentAfterMarker = 1; }
// If indent is less than 1, assume that it's one, example:
// "-\n test"
if (indentAfterMarker < 1) { indentAfterMarker = 1; }
// " - test"
// ^^^^^ - calculating total length of this thing
indent = (posAfterMarker - state.bMarks[nextLine]) + indentAfterMarker;
// Run subparser & write tokens
state.tokens.push({
type: 'list_item_open',
lines: itemLines = [ startLine, 0 ],
level: state.level++
});
oldIndent = state.blkIndent;
oldTight = state.tight;
oldTShift = state.tShift[startLine];
oldParentType = state.parentType;
state.tShift[startLine] = contentStart - state.bMarks[startLine];
state.blkIndent = indent;
state.tight = true;
state.parentType = 'list';
state.parser.tokenize(state, startLine, endLine, true);
// If any of list item is tight, mark list as tight
if (!state.tight || prevEmptyEnd) {
tight = false;
}
// Item become loose if finish with empty line,
// but we should filter last element, because it means list finish
prevEmptyEnd = (state.line - startLine) > 1 && state.isEmpty(state.line - 1);
state.blkIndent = oldIndent;
state.tShift[startLine] = oldTShift;
state.tight = oldTight;
state.parentType = oldParentType;
state.tokens.push({
type: 'list_item_close',
level: --state.level
});
nextLine = startLine = state.line;
itemLines[1] = nextLine;
contentStart = state.bMarks[startLine];
if (nextLine >= endLine) { break; }
if (state.isEmpty(nextLine)) {
break;
}
//
// Try to check if list is terminated or continued.
//
if (state.tShift[nextLine] < state.blkIndent) { break; }
// fail if terminating block found
terminate = false;
for (i = 0, l = terminatorRules.length; i < l; i++) {
if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
}
if (terminate) { break; }
// fail if list has another type
if (isOrdered) {
posAfterMarker = skipOrderedListMarker(state, nextLine);
if (posAfterMarker < 0) { break; }
} else {
posAfterMarker = skipBulletListMarker(state, nextLine);
if (posAfterMarker < 0) { break; }
}
if (markerCharCode !== state.src.charCodeAt(posAfterMarker - 1)) { break; }
}
// Finilize list
state.tokens.push({
type: isOrdered ? 'ordered_list_close' : 'bullet_list_close',
level: --state.level
});
listLines[1] = nextLine;
state.line = nextLine;
// mark paragraphs tight if needed
if (tight) {
markTightParagraphs(state, listTokIdx);
}
return true;
}
// Process footnote reference list
function footnote(state, startLine, endLine, silent) {
var oldBMark, oldTShift, oldParentType, pos, label,
start = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
// line should be at least 5 chars - "[^x]:"
if (start + 4 > max) { return false; }
if (state.src.charCodeAt(start) !== 0x5B/* [ */) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x5E/* ^ */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
for (pos = start + 2; pos < max; pos++) {
if (state.src.charCodeAt(pos) === 0x20) { return false; }
if (state.src.charCodeAt(pos) === 0x5D /* ] */) {
break;
}
}
if (pos === start + 2) { return false; } // no empty footnote labels
if (pos + 1 >= max || state.src.charCodeAt(++pos) !== 0x3A /* : */) { return false; }
if (silent) { return true; }
pos++;
if (!state.env.footnotes) { state.env.footnotes = {}; }
if (!state.env.footnotes.refs) { state.env.footnotes.refs = {}; }
label = state.src.slice(start + 2, pos - 2);
state.env.footnotes.refs[':' + label] = -1;
state.tokens.push({
type: 'footnote_reference_open',
label: label,
level: state.level++
});
oldBMark = state.bMarks[startLine];
oldTShift = state.tShift[startLine];
oldParentType = state.parentType;
state.tShift[startLine] = state.skipSpaces(pos) - pos;
state.bMarks[startLine] = pos;
state.blkIndent += 4;
state.parentType = 'footnote';
if (state.tShift[startLine] < state.blkIndent) {
state.tShift[startLine] += state.blkIndent;
state.bMarks[startLine] -= state.blkIndent;
}
state.parser.tokenize(state, startLine, endLine, true);
state.parentType = oldParentType;
state.blkIndent -= 4;
state.tShift[startLine] = oldTShift;
state.bMarks[startLine] = oldBMark;
state.tokens.push({
type: 'footnote_reference_close',
level: --state.level
});
return true;
}
// heading (#, ##, ...)
function heading(state, startLine, endLine, silent) {
var ch, level, tmp,
pos = state.bMarks[startLine] + state.tShift[startLine],
max = state.eMarks[startLine];
if (pos >= max) { return false; }
ch = state.src.charCodeAt(pos);
if (ch !== 0x23/* # */ || pos >= max) { return false; }
// count heading level
level = 1;
ch = state.src.charCodeAt(++pos);
while (ch === 0x23/* # */ && pos < max && level <= 6) {
level++;
ch = state.src.charCodeAt(++pos);
}
if (level > 6 || (pos < max && ch !== 0x20/* space */)) { return false; }
if (silent) { return true; }
// Let's cut tails like ' ### ' from the end of string
max = state.skipCharsBack(max, 0x20, pos); // space
tmp = state.skipCharsBack(max, 0x23, pos); // #
if (tmp > pos && state.src.charCodeAt(tmp - 1) === 0x20/* space */) {
max = tmp;
}
state.line = startLine + 1;
state.tokens.push({ type: 'heading_open',
hLevel: level,
lines: [ startLine, state.line ],
level: state.level
});
// only if header is not empty
if (pos < max) {
state.tokens.push({
type: 'inline',
content: state.src.slice(pos, max).trim(),
level: state.level + 1,
lines: [ startLine, state.line ],
children: []
});
}
state.tokens.push({ type: 'heading_close', hLevel: level, level: state.level });
return true;
}
// lheading (---, ===)
function lheading(state, startLine, endLine/*, silent*/) {
var marker, pos, max,
next = startLine + 1;
if (next >= endLine) { return false; }
if (state.tShift[next] < state.blkIndent) { return false; }
// Scan next line
if (state.tShift[next] - state.blkIndent > 3) { return false; }
pos = state.bMarks[next] + state.tShift[next];
max = state.eMarks[next];
if (pos >= max) { return false; }
marker = state.src.charCodeAt(pos);
if (marker !== 0x2D/* - */ && marker !== 0x3D/* = */) { return false; }
pos = state.skipChars(pos, marker);
pos = state.skipSpaces(pos);
if (pos < max) { return false; }
pos = state.bMarks[startLine] + state.tShift[startLine];
state.line = next + 1;
state.tokens.push({
type: 'heading_open',
hLevel: marker === 0x3D/* = */ ? 1 : 2,
lines: [ startLine, state.line ],
level: state.level
});
state.tokens.push({
type: 'inline',
content: state.src.slice(pos, state.eMarks[startLine]).trim(),
level: state.level + 1,
lines: [ startLine, state.line - 1 ],
children: []
});
state.tokens.push({
type: 'heading_close',
hLevel: marker === 0x3D/* = */ ? 1 : 2,
level: state.level
});
return true;
}
// List of valid html blocks names, accorting to commonmark spec
// http://jgm.github.io/CommonMark/spec.html#html-blocks
var html_blocks = {};
[
'article',
'aside',
'button',
'blockquote',
'body',
'canvas',
'caption',
'col',
'colgroup',
'dd',
'div',
'dl',
'dt',
'embed',
'fieldset',
'figcaption',
'figure',
'footer',
'form',
'h1',
'h2',
'h3',
'h4',
'h5',
'h6',
'header',
'hgroup',
'hr',
'iframe',
'li',
'map',
'object',
'ol',
'output',
'p',
'pre',
'progress',
'script',
'section',
'style',
'table',
'tbody',
'td',
'textarea',
'tfoot',
'th',
'tr',
'thead',
'ul',
'video'
].forEach(function (name) { html_blocks[name] = true; });
// HTML block
var HTML_TAG_OPEN_RE = /^<([a-zA-Z]{1,15})[\s\/>]/;
var HTML_TAG_CLOSE_RE = /^<\/([a-zA-Z]{1,15})[\s>]/;
function isLetter$1(ch) {
/*eslint no-bitwise:0*/
var lc = ch | 0x20; // to lower case
return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);
}
function htmlblock(state, startLine, endLine, silent) {
var ch, match, nextLine,
pos = state.bMarks[startLine],
max = state.eMarks[startLine],
shift = state.tShift[startLine];
pos += shift;
if (!state.options.html) { return false; }
if (shift > 3 || pos + 2 >= max) { return false; }
if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
ch = state.src.charCodeAt(pos + 1);
if (ch === 0x21/* ! */ || ch === 0x3F/* ? */) {
// Directive start / comment start / processing instruction start
if (silent) { return true; }
} else if (ch === 0x2F/* / */ || isLetter$1(ch)) {
// Probably start or end of tag
if (ch === 0x2F/* \ */) {
// closing tag
match = state.src.slice(pos, max).match(HTML_TAG_CLOSE_RE);
if (!match) { return false; }
} else {
// opening tag
match = state.src.slice(pos, max).match(HTML_TAG_OPEN_RE);
if (!match) { return false; }
}
// Make sure tag name is valid
if (html_blocks[match[1].toLowerCase()] !== true) { return false; }
if (silent) { return true; }
} else {
return false;
}
// If we are here - we detected HTML block.
// Let's roll down till empty line (block end).
nextLine = startLine + 1;
while (nextLine < state.lineMax && !state.isEmpty(nextLine)) {
nextLine++;
}
state.line = nextLine;
state.tokens.push({
type: 'htmlblock',
level: state.level,
lines: [ startLine, state.line ],
content: state.getLines(startLine, nextLine, 0, true)
});
return true;
}
// GFM table, non-standard
function getLine(state, line) {
var pos = state.bMarks[line] + state.blkIndent,
max = state.eMarks[line];
return state.src.substr(pos, max - pos);
}
function table(state, startLine, endLine, silent) {
var ch, lineText, pos, i, nextLine, rows, cell,
aligns, t, tableLines, tbodyLines;
// should have at least three lines
if (startLine + 2 > endLine) { return false; }
nextLine = startLine + 1;
if (state.tShift[nextLine] < state.blkIndent) { return false; }
// first character of the second line should be '|' or '-'
pos = state.bMarks[nextLine] + state.tShift[nextLine];
if (pos >= state.eMarks[nextLine]) { return false; }
ch = state.src.charCodeAt(pos);
if (ch !== 0x7C/* | */ && ch !== 0x2D/* - */ && ch !== 0x3A/* : */) { return false; }
lineText = getLine(state, startLine + 1);
if (!/^[-:| ]+$/.test(lineText)) { return false; }
rows = lineText.split('|');
if (rows <= 2) { return false; }
aligns = [];
for (i = 0; i < rows.length; i++) {
t = rows[i].trim();
if (!t) {
// allow empty columns before and after table, but not in between columns;
// e.g. allow ` |---| `, disallow ` ---||--- `
if (i === 0 || i === rows.length - 1) {
continue;
} else {
return false;
}
}
if (!/^:?-+:?$/.test(t)) { return false; }
if (t.charCodeAt(t.length - 1) === 0x3A/* : */) {
aligns.push(t.charCodeAt(0) === 0x3A/* : */ ? 'center' : 'right');
} else if (t.charCodeAt(0) === 0x3A/* : */) {
aligns.push('left');
} else {
aligns.push('');
}
}
lineText = getLine(state, startLine).trim();
if (lineText.indexOf('|') === -1) { return false; }
rows = lineText.replace(/^\||\|$/g, '').split('|');
if (aligns.length !== rows.length) { return false; }
if (silent) { return true; }
state.tokens.push({
type: 'table_open',
lines: tableLines = [ startLine, 0 ],
level: state.level++
});
state.tokens.push({
type: 'thead_open',
lines: [ startLine, startLine + 1 ],
level: state.level++
});
state.tokens.push({
type: 'tr_open',
lines: [ startLine, startLine + 1 ],
level: state.level++
});
for (i = 0; i < rows.length; i++) {
state.tokens.push({
type: 'th_open',
align: aligns[i],
lines: [ startLine, startLine + 1 ],
level: state.level++
});
state.tokens.push({
type: 'inline',
content: rows[i].trim(),
lines: [ startLine, startLine + 1 ],
level: state.level,
children: []
});
state.tokens.push({ type: 'th_close', level: --state.level });
}
state.tokens.push({ type: 'tr_close', level: --state.level });
state.tokens.push({ type: 'thead_close', level: --state.level });
state.tokens.push({
type: 'tbody_open',
lines: tbodyLines = [ startLine + 2, 0 ],
level: state.level++
});
for (nextLine = startLine + 2; nextLine < endLine; nextLine++) {
if (state.tShift[nextLine] < state.blkIndent) { break; }
lineText = getLine(state, nextLine).trim();
if (lineText.indexOf('|') === -1) { break; }
rows = lineText.replace(/^\||\|$/g, '').split('|');
state.tokens.push({ type: 'tr_open', level: state.level++ });
for (i = 0; i < rows.length; i++) {
state.tokens.push({ type: 'td_open', align: aligns[i], level: state.level++ });
// 0x7c === '|'
cell = rows[i].substring(
rows[i].charCodeAt(0) === 0x7c ? 1 : 0,
rows[i].charCodeAt(rows[i].length - 1) === 0x7c ? rows[i].length - 1 : rows[i].length
).trim();
state.tokens.push({
type: 'inline',
content: cell,
level: state.level,
children: []
});
state.tokens.push({ type: 'td_close', level: --state.level });
}
state.tokens.push({ type: 'tr_close', level: --state.level });
}
state.tokens.push({ type: 'tbody_close', level: --state.level });
state.tokens.push({ type: 'table_close', level: --state.level });
tableLines[1] = tbodyLines[1] = nextLine;
state.line = nextLine;
return true;
}
// Definition lists
// Search `[:~][\n ]`, returns next pos after marker on success
// or -1 on fail.
function skipMarker(state, line) {
var pos, marker,
start = state.bMarks[line] + state.tShift[line],
max = state.eMarks[line];
if (start >= max) { return -1; }
// Check bullet
marker = state.src.charCodeAt(start++);
if (marker !== 0x7E/* ~ */ && marker !== 0x3A/* : */) { return -1; }
pos = state.skipSpaces(start);
// require space after ":"
if (start === pos) { return -1; }
// no empty definitions, e.g. " : "
if (pos >= max) { return -1; }
return pos;
}
function markTightParagraphs$1(state, idx) {
var i, l,
level = state.level + 2;
for (i = idx + 2, l = state.tokens.length - 2; i < l; i++) {
if (state.tokens[i].level === level && state.tokens[i].type === 'paragraph_open') {
state.tokens[i + 2].tight = true;
state.tokens[i].tight = true;
i += 2;
}
}
}
function deflist(state, startLine, endLine, silent) {
var contentStart,
ddLine,
dtLine,
itemLines,
listLines,
listTokIdx,
nextLine,
oldIndent,
oldDDIndent,
oldParentType,
oldTShift,
oldTight,
prevEmptyEnd,
tight;
if (silent) {
// quirk: validation mode validates a dd block only, not a whole deflist
if (state.ddIndent < 0) { return false; }
return skipMarker(state, startLine) >= 0;
}
nextLine = startLine + 1;
if (state.isEmpty(nextLine)) {
if (++nextLine > endLine) { return false; }
}
if (state.tShift[nextLine] < state.blkIndent) { return false; }
contentStart = skipMarker(state, nextLine);
if (contentStart < 0) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
// Start list
listTokIdx = state.tokens.length;
state.tokens.push({
type: 'dl_open',
lines: listLines = [ startLine, 0 ],
level: state.level++
});
//
// Iterate list items
//
dtLine = startLine;
ddLine = nextLine;
// One definition list can contain multiple DTs,
// and one DT can be followed by multiple DDs.
//
// Thus, there is two loops here, and label is
// needed to break out of the second one
//
/*eslint no-labels:0,block-scoped-var:0*/
OUTER:
for (;;) {
tight = true;
prevEmptyEnd = false;
state.tokens.push({
type: 'dt_open',
lines: [ dtLine, dtLine ],
level: state.level++
});
state.tokens.push({
type: 'inline',
content: state.getLines(dtLine, dtLine + 1, state.blkIndent, false).trim(),
level: state.level + 1,
lines: [ dtLine, dtLine ],
children: []
});
state.tokens.push({
type: 'dt_close',
level: --state.level
});
for (;;) {
state.tokens.push({
type: 'dd_open',
lines: itemLines = [ nextLine, 0 ],
level: state.level++
});
oldTight = state.tight;
oldDDIndent = state.ddIndent;
oldIndent = state.blkIndent;
oldTShift = state.tShift[ddLine];
oldParentType = state.parentType;
state.blkIndent = state.ddIndent = state.tShift[ddLine] + 2;
state.tShift[ddLine] = contentStart - state.bMarks[ddLine];
state.tight = true;
state.parentType = 'deflist';
state.parser.tokenize(state, ddLine, endLine, true);
// If any of list item is tight, mark list as tight
if (!state.tight || prevEmptyEnd) {
tight = false;
}
// Item become loose if finish with empty line,
// but we should filter last element, because it means list finish
prevEmptyEnd = (state.line - ddLine) > 1 && state.isEmpty(state.line - 1);
state.tShift[ddLine] = oldTShift;
state.tight = oldTight;
state.parentType = oldParentType;
state.blkIndent = oldIndent;
state.ddIndent = oldDDIndent;
state.tokens.push({
type: 'dd_close',
level: --state.level
});
itemLines[1] = nextLine = state.line;
if (nextLine >= endLine) { break OUTER; }
if (state.tShift[nextLine] < state.blkIndent) { break OUTER; }
contentStart = skipMarker(state, nextLine);
if (contentStart < 0) { break; }
ddLine = nextLine;
// go to the next loop iteration:
// insert DD tag and repeat checking
}
if (nextLine >= endLine) { break; }
dtLine = nextLine;
if (state.isEmpty(dtLine)) { break; }
if (state.tShift[dtLine] < state.blkIndent) { break; }
ddLine = dtLine + 1;
if (ddLine >= endLine) { break; }
if (state.isEmpty(ddLine)) { ddLine++; }
if (ddLine >= endLine) { break; }
if (state.tShift[ddLine] < state.blkIndent) { break; }
contentStart = skipMarker(state, ddLine);
if (contentStart < 0) { break; }
// go to the next loop iteration:
// insert DT and DD tags and repeat checking
}
// Finilize list
state.tokens.push({
type: 'dl_close',
level: --state.level
});
listLines[1] = nextLine;
state.line = nextLine;
// mark paragraphs tight if needed
if (tight) {
markTightParagraphs$1(state, listTokIdx);
}
return true;
}
// Paragraph
function paragraph(state, startLine/*, endLine*/) {
var endLine, content, terminate, i, l,
nextLine = startLine + 1,
terminatorRules;
endLine = state.lineMax;
// jump line-by-line until empty one or EOF
if (nextLine < endLine && !state.isEmpty(nextLine)) {
terminatorRules = state.parser.ruler.getRules('paragraph');
for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
// this would be a code block normally, but after paragraph
// it's considered a lazy continuation regardless of what's there
if (state.tShift[nextLine] - state.blkIndent > 3) { continue; }
// Some tags can terminate paragraph without empty line.
terminate = false;
for (i = 0, l = terminatorRules.length; i < l; i++) {
if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true;
break;
}
}
if (terminate) { break; }
}
}
content = state.getLines(startLine, nextLine, state.blkIndent, false).trim();
state.line = nextLine;
if (content.length) {
state.tokens.push({
type: 'paragraph_open',
tight: false,
lines: [ startLine, state.line ],
level: state.level
});
state.tokens.push({
type: 'inline',
content: content,
level: state.level + 1,
lines: [ startLine, state.line ],
children: []
});
state.tokens.push({
type: 'paragraph_close',
tight: false,
level: state.level
});
}
return true;
}
/**
* Parser rules
*/
var _rules$1 = [
[ 'code', code ],
[ 'fences', fences, [ 'paragraph', 'blockquote', 'list' ] ],
[ 'blockquote', blockquote, [ 'paragraph', 'blockquote', 'list' ] ],
[ 'hr', hr, [ 'paragraph', 'blockquote', 'list' ] ],
[ 'list', list, [ 'paragraph', 'blockquote' ] ],
[ 'footnote', footnote, [ 'paragraph' ] ],
[ 'heading', heading, [ 'paragraph', 'blockquote' ] ],
[ 'lheading', lheading ],
[ 'htmlblock', htmlblock, [ 'paragraph', 'blockquote' ] ],
[ 'table', table, [ 'paragraph' ] ],
[ 'deflist', deflist, [ 'paragraph' ] ],
[ 'paragraph', paragraph ]
];
/**
* Block Parser class
*
* @api private
*/
function ParserBlock() {
this.ruler = new Ruler();
for (var i = 0; i < _rules$1.length; i++) {
this.ruler.push(_rules$1[i][0], _rules$1[i][1], {
alt: (_rules$1[i][2] || []).slice()
});
}
}
/**
* Generate tokens for the given input range.
*
* @param {Object} `state` Has properties like `src`, `parser`, `options` etc
* @param {Number} `startLine`
* @param {Number} `endLine`
* @api private
*/
ParserBlock.prototype.tokenize = function (state, startLine, endLine) {
var rules = this.ruler.getRules('');
var len = rules.length;
var line = startLine;
var hasEmptyLines = false;
var ok, i;
while (line < endLine) {
state.line = line = state.skipEmptyLines(line);
if (line >= endLine) {
break;
}
// Termination condition for nested calls.
// Nested calls currently used for blockquotes & lists
if (state.tShift[line] < state.blkIndent) {
break;
}
// Try all possible rules.
// On success, rule should:
//
// - update `state.line`
// - update `state.tokens`
// - return true
for (i = 0; i < len; i++) {
ok = rules[i](state, line, endLine, false);
if (ok) {
break;
}
}
// set state.tight iff we had an empty line before current tag
// i.e. latest empty line should not count
state.tight = !hasEmptyLines;
// paragraph might "eat" one newline after it in nested lists
if (state.isEmpty(state.line - 1)) {
hasEmptyLines = true;
}
line = state.line;
if (line < endLine && state.isEmpty(line)) {
hasEmptyLines = true;
line++;
// two empty lines should stop the parser in list mode
if (line < endLine && state.parentType === 'list' && state.isEmpty(line)) { break; }
state.line = line;
}
}
};
var TABS_SCAN_RE = /[\n\t]/g;
var NEWLINES_RE = /\r[\n\u0085]|[\u2424\u2028\u0085]/g;
var SPACES_RE = /\u00a0/g;
/**
* Tokenize the given `str`.
*
* @param {String} `str` Source string
* @param {Object} `options`
* @param {Object} `env`
* @param {Array} `outTokens`
* @api private
*/
ParserBlock.prototype.parse = function (str, options, env, outTokens) {
var state, lineStart = 0, lastTabPos = 0;
if (!str) { return []; }
// Normalize spaces
str = str.replace(SPACES_RE, ' ');
// Normalize newlines
str = str.replace(NEWLINES_RE, '\n');
// Replace tabs with proper number of spaces (1..4)
if (str.indexOf('\t') >= 0) {
str = str.replace(TABS_SCAN_RE, function (match, offset) {
var result;
if (str.charCodeAt(offset) === 0x0A) {
lineStart = offset + 1;
lastTabPos = 0;
return match;
}
result = ' '.slice((offset - lineStart - lastTabPos) % 4);
lastTabPos = offset - lineStart + 1;
return result;
});
}
state = new StateBlock(str, this, options, env, outTokens);
this.tokenize(state, state.line, state.lineMax);
};
// Skip text characters for text token, place those to pending buffer
// and increment current pos
// Rule to skip pure text
// '{}$%@~+=:' reserved for extentions
function isTerminatorChar(ch) {
switch (ch) {
case 0x0A/* \n */:
case 0x5C/* \ */:
case 0x60/* ` */:
case 0x2A/* * */:
case 0x5F/* _ */:
case 0x5E/* ^ */:
case 0x5B/* [ */:
case 0x5D/* ] */:
case 0x21/* ! */:
case 0x26/* & */:
case 0x3C/* < */:
case 0x3E/* > */:
case 0x7B/* { */:
case 0x7D/* } */:
case 0x24/* $ */:
case 0x25/* % */:
case 0x40/* @ */:
case 0x7E/* ~ */:
case 0x2B/* + */:
case 0x3D/* = */:
case 0x3A/* : */:
return true;
default:
return false;
}
}
function text(state, silent) {
var pos = state.pos;
while (pos < state.posMax && !isTerminatorChar(state.src.charCodeAt(pos))) {
pos++;
}
if (pos === state.pos) { return false; }
if (!silent) { state.pending += state.src.slice(state.pos, pos); }
state.pos = pos;
return true;
}
// Proceess '\n'
function newline(state, silent) {
var pmax, max, pos = state.pos;
if (state.src.charCodeAt(pos) !== 0x0A/* \n */) { return false; }
pmax = state.pending.length - 1;
max = state.posMax;
// ' \n' -> hardbreak
// Lookup in pending chars is bad practice! Don't copy to other rules!
// Pending string is stored in concat mode, indexed lookups will cause
// convertion to flat mode.
if (!silent) {
if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
// Strip out all trailing spaces on this line.
for (var i = pmax - 2; i >= 0; i--) {
if (state.pending.charCodeAt(i) !== 0x20) {
state.pending = state.pending.substring(0, i + 1);
break;
}
}
state.push({
type: 'hardbreak',
level: state.level
});
} else {
state.pending = state.pending.slice(0, -1);
state.push({
type: 'softbreak',
level: state.level
});
}
} else {
state.push({
type: 'softbreak',
level: state.level
});
}
}
pos++;
// skip heading spaces for next line
while (pos < max && state.src.charCodeAt(pos) === 0x20) { pos++; }
state.pos = pos;
return true;
}
// Proceess escaped chars and hardbreaks
var ESCAPED = [];
for (var i = 0; i < 256; i++) { ESCAPED.push(0); }
'\\!"#$%&\'()*+,./:;<=>?@[]^_`{|}~-'
.split('').forEach(function(ch) { ESCAPED[ch.charCodeAt(0)] = 1; });
function escape(state, silent) {
var ch, pos = state.pos, max = state.posMax;
if (state.src.charCodeAt(pos) !== 0x5C/* \ */) { return false; }
pos++;
if (pos < max) {
ch = state.src.charCodeAt(pos);
if (ch < 256 && ESCAPED[ch] !== 0) {
if (!silent) { state.pending += state.src[pos]; }
state.pos += 2;
return true;
}
if (ch === 0x0A) {
if (!silent) {
state.push({
type: 'hardbreak',
level: state.level
});
}
pos++;
// skip leading whitespaces from next line
while (pos < max && state.src.charCodeAt(pos) === 0x20) { pos++; }
state.pos = pos;
return true;
}
}
if (!silent) { state.pending += '\\'; }
state.pos++;
return true;
}
// Parse backticks
function backticks(state, silent) {
var start, max, marker, matchStart, matchEnd,
pos = state.pos,
ch = state.src.charCodeAt(pos);
if (ch !== 0x60/* ` */) { return false; }
start = pos;
pos++;
max = state.posMax;
while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++; }
marker = state.src.slice(start, pos);
matchStart = matchEnd = pos;
while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
matchEnd = matchStart + 1;
while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++; }
if (matchEnd - matchStart === marker.length) {
if (!silent) {
state.push({
type: 'code',
content: state.src.slice(pos, matchStart)
.replace(/[ \n]+/g, ' ')
.trim(),
block: false,
level: state.level
});
}
state.pos = matchEnd;
return true;
}
}
if (!silent) { state.pending += marker; }
state.pos += marker.length;
return true;
}
// Process ~~deleted text~~
function del(state, silent) {
var found,
pos,
stack,
max = state.posMax,
start = state.pos,
lastChar,
nextChar;
if (state.src.charCodeAt(start) !== 0x7E/* ~ */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
if (start + 4 >= max) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x7E/* ~ */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1;
nextChar = state.src.charCodeAt(start + 2);
if (lastChar === 0x7E/* ~ */) { return false; }
if (nextChar === 0x7E/* ~ */) { return false; }
if (nextChar === 0x20 || nextChar === 0x0A) { return false; }
pos = start + 2;
while (pos < max && state.src.charCodeAt(pos) === 0x7E/* ~ */) { pos++; }
if (pos > start + 3) {
// sequence of 4+ markers taking as literal, same as in a emphasis
state.pos += pos - start;
if (!silent) { state.pending += state.src.slice(start, pos); }
return true;
}
state.pos = start + 2;
stack = 1;
while (state.pos + 1 < max) {
if (state.src.charCodeAt(state.pos) === 0x7E/* ~ */) {
if (state.src.charCodeAt(state.pos + 1) === 0x7E/* ~ */) {
lastChar = state.src.charCodeAt(state.pos - 1);
nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1;
if (nextChar !== 0x7E/* ~ */ && lastChar !== 0x7E/* ~ */) {
if (lastChar !== 0x20 && lastChar !== 0x0A) {
// closing '~~'
stack--;
} else if (nextChar !== 0x20 && nextChar !== 0x0A) {
// opening '~~'
stack++;
} // else {
// // standalone ' ~~ ' indented with spaces
// }
if (stack <= 0) {
found = true;
break;
}
}
}
}
state.parser.skipToken(state);
}
if (!found) {
// parser failed to find ending tag, so it's not valid emphasis
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + 2;
if (!silent) {
state.push({ type: 'del_open', level: state.level++ });
state.parser.tokenize(state);
state.push({ type: 'del_close', level: --state.level });
}
state.pos = state.posMax + 2;
state.posMax = max;
return true;
}
// Process ++inserted text++
function ins(state, silent) {
var found,
pos,
stack,
max = state.posMax,
start = state.pos,
lastChar,
nextChar;
if (state.src.charCodeAt(start) !== 0x2B/* + */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
if (start + 4 >= max) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x2B/* + */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1;
nextChar = state.src.charCodeAt(start + 2);
if (lastChar === 0x2B/* + */) { return false; }
if (nextChar === 0x2B/* + */) { return false; }
if (nextChar === 0x20 || nextChar === 0x0A) { return false; }
pos = start + 2;
while (pos < max && state.src.charCodeAt(pos) === 0x2B/* + */) { pos++; }
if (pos !== start + 2) {
// sequence of 3+ markers taking as literal, same as in a emphasis
state.pos += pos - start;
if (!silent) { state.pending += state.src.slice(start, pos); }
return true;
}
state.pos = start + 2;
stack = 1;
while (state.pos + 1 < max) {
if (state.src.charCodeAt(state.pos) === 0x2B/* + */) {
if (state.src.charCodeAt(state.pos + 1) === 0x2B/* + */) {
lastChar = state.src.charCodeAt(state.pos - 1);
nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1;
if (nextChar !== 0x2B/* + */ && lastChar !== 0x2B/* + */) {
if (lastChar !== 0x20 && lastChar !== 0x0A) {
// closing '++'
stack--;
} else if (nextChar !== 0x20 && nextChar !== 0x0A) {
// opening '++'
stack++;
} // else {
// // standalone ' ++ ' indented with spaces
// }
if (stack <= 0) {
found = true;
break;
}
}
}
}
state.parser.skipToken(state);
}
if (!found) {
// parser failed to find ending tag, so it's not valid emphasis
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + 2;
if (!silent) {
state.push({ type: 'ins_open', level: state.level++ });
state.parser.tokenize(state);
state.push({ type: 'ins_close', level: --state.level });
}
state.pos = state.posMax + 2;
state.posMax = max;
return true;
}
// Process ==highlighted text==
function mark(state, silent) {
var found,
pos,
stack,
max = state.posMax,
start = state.pos,
lastChar,
nextChar;
if (state.src.charCodeAt(start) !== 0x3D/* = */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
if (start + 4 >= max) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x3D/* = */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1;
nextChar = state.src.charCodeAt(start + 2);
if (lastChar === 0x3D/* = */) { return false; }
if (nextChar === 0x3D/* = */) { return false; }
if (nextChar === 0x20 || nextChar === 0x0A) { return false; }
pos = start + 2;
while (pos < max && state.src.charCodeAt(pos) === 0x3D/* = */) { pos++; }
if (pos !== start + 2) {
// sequence of 3+ markers taking as literal, same as in a emphasis
state.pos += pos - start;
if (!silent) { state.pending += state.src.slice(start, pos); }
return true;
}
state.pos = start + 2;
stack = 1;
while (state.pos + 1 < max) {
if (state.src.charCodeAt(state.pos) === 0x3D/* = */) {
if (state.src.charCodeAt(state.pos + 1) === 0x3D/* = */) {
lastChar = state.src.charCodeAt(state.pos - 1);
nextChar = state.pos + 2 < max ? state.src.charCodeAt(state.pos + 2) : -1;
if (nextChar !== 0x3D/* = */ && lastChar !== 0x3D/* = */) {
if (lastChar !== 0x20 && lastChar !== 0x0A) {
// closing '=='
stack--;
} else if (nextChar !== 0x20 && nextChar !== 0x0A) {
// opening '=='
stack++;
} // else {
// // standalone ' == ' indented with spaces
// }
if (stack <= 0) {
found = true;
break;
}
}
}
}
state.parser.skipToken(state);
}
if (!found) {
// parser failed to find ending tag, so it's not valid emphasis
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + 2;
if (!silent) {
state.push({ type: 'mark_open', level: state.level++ });
state.parser.tokenize(state);
state.push({ type: 'mark_close', level: --state.level });
}
state.pos = state.posMax + 2;
state.posMax = max;
return true;
}
// Process *this* and _that_
function isAlphaNum(code) {
return (code >= 0x30 /* 0 */ && code <= 0x39 /* 9 */) ||
(code >= 0x41 /* A */ && code <= 0x5A /* Z */) ||
(code >= 0x61 /* a */ && code <= 0x7A /* z */);
}
// parse sequence of emphasis markers,
// "start" should point at a valid marker
function scanDelims(state, start) {
var pos = start, lastChar, nextChar, count,
can_open = true,
can_close = true,
max = state.posMax,
marker = state.src.charCodeAt(start);
lastChar = start > 0 ? state.src.charCodeAt(start - 1) : -1;
while (pos < max && state.src.charCodeAt(pos) === marker) { pos++; }
if (pos >= max) { can_open = false; }
count = pos - start;
if (count >= 4) {
// sequence of four or more unescaped markers can't start/end an emphasis
can_open = can_close = false;
} else {
nextChar = pos < max ? state.src.charCodeAt(pos) : -1;
// check whitespace conditions
if (nextChar === 0x20 || nextChar === 0x0A) { can_open = false; }
if (lastChar === 0x20 || lastChar === 0x0A) { can_close = false; }
if (marker === 0x5F /* _ */) {
// check if we aren't inside the word
if (isAlphaNum(lastChar)) { can_open = false; }
if (isAlphaNum(nextChar)) { can_close = false; }
}
}
return {
can_open: can_open,
can_close: can_close,
delims: count
};
}
function emphasis(state, silent) {
var startCount,
count,
found,
oldCount,
newCount,
stack,
res,
max = state.posMax,
start = state.pos,
marker = state.src.charCodeAt(start);
if (marker !== 0x5F/* _ */ && marker !== 0x2A /* * */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
res = scanDelims(state, start);
startCount = res.delims;
if (!res.can_open) {
state.pos += startCount;
if (!silent) { state.pending += state.src.slice(start, state.pos); }
return true;
}
if (state.level >= state.options.maxNesting) { return false; }
state.pos = start + startCount;
stack = [ startCount ];
while (state.pos < max) {
if (state.src.charCodeAt(state.pos) === marker) {
res = scanDelims(state, state.pos);
count = res.delims;
if (res.can_close) {
oldCount = stack.pop();
newCount = count;
while (oldCount !== newCount) {
if (newCount < oldCount) {
stack.push(oldCount - newCount);
break;
}
// assert(newCount > oldCount)
newCount -= oldCount;
if (stack.length === 0) { break; }
state.pos += oldCount;
oldCount = stack.pop();
}
if (stack.length === 0) {
startCount = oldCount;
found = true;
break;
}
state.pos += count;
continue;
}
if (res.can_open) { stack.push(count); }
state.pos += count;
continue;
}
state.parser.skipToken(state);
}
if (!found) {
// parser failed to find ending tag, so it's not valid emphasis
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + startCount;
if (!silent) {
if (startCount === 2 || startCount === 3) {
state.push({ type: 'strong_open', level: state.level++ });
}
if (startCount === 1 || startCount === 3) {
state.push({ type: 'em_open', level: state.level++ });
}
state.parser.tokenize(state);
if (startCount === 1 || startCount === 3) {
state.push({ type: 'em_close', level: --state.level });
}
if (startCount === 2 || startCount === 3) {
state.push({ type: 'strong_close', level: --state.level });
}
}
state.pos = state.posMax + startCount;
state.posMax = max;
return true;
}
// Process ~subscript~
// same as UNESCAPE_MD_RE plus a space
var UNESCAPE_RE = /\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;
function sub(state, silent) {
var found,
content,
max = state.posMax,
start = state.pos;
if (state.src.charCodeAt(start) !== 0x7E/* ~ */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
if (start + 2 >= max) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
state.pos = start + 1;
while (state.pos < max) {
if (state.src.charCodeAt(state.pos) === 0x7E/* ~ */) {
found = true;
break;
}
state.parser.skipToken(state);
}
if (!found || start + 1 === state.pos) {
state.pos = start;
return false;
}
content = state.src.slice(start + 1, state.pos);
// don't allow unescaped spaces/newlines inside
if (content.match(/(^|[^\\])(\\\\)*\s/)) {
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + 1;
if (!silent) {
state.push({
type: 'sub',
level: state.level,
content: content.replace(UNESCAPE_RE, '$1')
});
}
state.pos = state.posMax + 1;
state.posMax = max;
return true;
}
// Process ^superscript^
// same as UNESCAPE_MD_RE plus a space
var UNESCAPE_RE$1 = /\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;
function sup(state, silent) {
var found,
content,
max = state.posMax,
start = state.pos;
if (state.src.charCodeAt(start) !== 0x5E/* ^ */) { return false; }
if (silent) { return false; } // don't run any pairs in validation mode
if (start + 2 >= max) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
state.pos = start + 1;
while (state.pos < max) {
if (state.src.charCodeAt(state.pos) === 0x5E/* ^ */) {
found = true;
break;
}
state.parser.skipToken(state);
}
if (!found || start + 1 === state.pos) {
state.pos = start;
return false;
}
content = state.src.slice(start + 1, state.pos);
// don't allow unescaped spaces/newlines inside
if (content.match(/(^|[^\\])(\\\\)*\s/)) {
state.pos = start;
return false;
}
// found!
state.posMax = state.pos;
state.pos = start + 1;
if (!silent) {
state.push({
type: 'sup',
level: state.level,
content: content.replace(UNESCAPE_RE$1, '$1')
});
}
state.pos = state.posMax + 1;
state.posMax = max;
return true;
}
// Process [links]( "stuff")
function links(state, silent) {
var labelStart,
labelEnd,
label,
href,
title,
pos,
ref,
code,
isImage = false,
oldPos = state.pos,
max = state.posMax,
start = state.pos,
marker = state.src.charCodeAt(start);
if (marker === 0x21/* ! */) {
isImage = true;
marker = state.src.charCodeAt(++start);
}
if (marker !== 0x5B/* [ */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
labelStart = start + 1;
labelEnd = parseLinkLabel(state, start);
// parser failed to find ']', so it's not a valid link
if (labelEnd < 0) { return false; }
pos = labelEnd + 1;
if (pos < max && state.src.charCodeAt(pos) === 0x28/* ( */) {
//
// Inline link
//
// [link]( "title" )
// ^^ skipping these spaces
pos++;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
if (pos >= max) { return false; }
// [link]( "title" )
// ^^^^^^ parsing link destination
start = pos;
if (parseLinkDestination(state, pos)) {
href = state.linkContent;
pos = state.pos;
} else {
href = '';
}
// [link]( "title" )
// ^^ skipping these spaces
start = pos;
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
// [link]( "title" )
// ^^^^^^^ parsing link title
if (pos < max && start !== pos && parseLinkTitle(state, pos)) {
title = state.linkContent;
pos = state.pos;
// [link]( "title" )
// ^^ skipping these spaces
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
} else {
title = '';
}
if (pos >= max || state.src.charCodeAt(pos) !== 0x29/* ) */) {
state.pos = oldPos;
return false;
}
pos++;
} else {
//
// Link reference
//
// do not allow nested reference links
if (state.linkLevel > 0) { return false; }
// [foo] [bar]
// ^^ optional whitespace (can include newlines)
for (; pos < max; pos++) {
code = state.src.charCodeAt(pos);
if (code !== 0x20 && code !== 0x0A) { break; }
}
if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {
start = pos + 1;
pos = parseLinkLabel(state, pos);
if (pos >= 0) {
label = state.src.slice(start, pos++);
} else {
pos = start - 1;
}
}
// covers label === '' and label === undefined
// (collapsed reference link and shortcut reference link respectively)
if (!label) {
if (typeof label === 'undefined') {
pos = labelEnd + 1;
}
label = state.src.slice(labelStart, labelEnd);
}
ref = state.env.references[normalizeReference(label)];
if (!ref) {
state.pos = oldPos;
return false;
}
href = ref.href;
title = ref.title;
}
//
// We found the end of the link, and know for a fact it's a valid link;
// so all that's left to do is to call tokenizer.
//
if (!silent) {
state.pos = labelStart;
state.posMax = labelEnd;
if (isImage) {
state.push({
type: 'image',
src: href,
title: title,
alt: state.src.substr(labelStart, labelEnd - labelStart),
level: state.level
});
} else {
state.push({
type: 'link_open',
href: href,
title: title,
level: state.level++
});
state.linkLevel++;
state.parser.tokenize(state);
state.linkLevel--;
state.push({ type: 'link_close', level: --state.level });
}
}
state.pos = pos;
state.posMax = max;
return true;
}
// Process inline footnotes (^[...])
function footnote_inline(state, silent) {
var labelStart,
labelEnd,
footnoteId,
oldLength,
max = state.posMax,
start = state.pos;
if (start + 2 >= max) { return false; }
if (state.src.charCodeAt(start) !== 0x5E/* ^ */) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x5B/* [ */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
labelStart = start + 2;
labelEnd = parseLinkLabel(state, start + 1);
// parser failed to find ']', so it's not a valid note
if (labelEnd < 0) { return false; }
// We found the end of the link, and know for a fact it's a valid link;
// so all that's left to do is to call tokenizer.
//
if (!silent) {
if (!state.env.footnotes) { state.env.footnotes = {}; }
if (!state.env.footnotes.list) { state.env.footnotes.list = []; }
footnoteId = state.env.footnotes.list.length;
state.pos = labelStart;
state.posMax = labelEnd;
state.push({
type: 'footnote_ref',
id: footnoteId,
level: state.level
});
state.linkLevel++;
oldLength = state.tokens.length;
state.parser.tokenize(state);
state.env.footnotes.list[footnoteId] = { tokens: state.tokens.splice(oldLength) };
state.linkLevel--;
}
state.pos = labelEnd + 1;
state.posMax = max;
return true;
}
// Process footnote references ([^...])
function footnote_ref(state, silent) {
var label,
pos,
footnoteId,
footnoteSubId,
max = state.posMax,
start = state.pos;
// should be at least 4 chars - "[^x]"
if (start + 3 > max) { return false; }
if (!state.env.footnotes || !state.env.footnotes.refs) { return false; }
if (state.src.charCodeAt(start) !== 0x5B/* [ */) { return false; }
if (state.src.charCodeAt(start + 1) !== 0x5E/* ^ */) { return false; }
if (state.level >= state.options.maxNesting) { return false; }
for (pos = start + 2; pos < max; pos++) {
if (state.src.charCodeAt(pos) === 0x20) { return false; }
if (state.src.charCodeAt(pos) === 0x0A) { return false; }
if (state.src.charCodeAt(pos) === 0x5D /* ] */) {
break;
}
}
if (pos === start + 2) { return false; } // no empty footnote labels
if (pos >= max) { return false; }
pos++;
label = state.src.slice(start + 2, pos - 1);
if (typeof state.env.footnotes.refs[':' + label] === 'undefined') { return false; }
if (!silent) {
if (!state.env.footnotes.list) { state.env.footnotes.list = []; }
if (state.env.footnotes.refs[':' + label] < 0) {
footnoteId = state.env.footnotes.list.length;
state.env.footnotes.list[footnoteId] = { label: label, count: 0 };
state.env.footnotes.refs[':' + label] = footnoteId;
} else {
footnoteId = state.env.footnotes.refs[':' + label];
}
footnoteSubId = state.env.footnotes.list[footnoteId].count;
state.env.footnotes.list[footnoteId].count++;
state.push({
type: 'footnote_ref',
id: footnoteId,
subId: footnoteSubId,
level: state.level
});
}
state.pos = pos;
state.posMax = max;
return true;
}
// List of valid url schemas, accorting to commonmark spec
// http://jgm.github.io/CommonMark/spec.html#autolinks
var url_schemas = [
'coap',
'doi',
'javascript',
'aaa',
'aaas',
'about',
'acap',
'cap',
'cid',
'crid',
'data',
'dav',
'dict',
'dns',
'file',
'ftp',
'geo',
'go',
'gopher',
'h323',
'http',
'https',
'iax',
'icap',
'im',
'imap',
'info',
'ipp',
'iris',
'iris.beep',
'iris.xpc',
'iris.xpcs',
'iris.lwz',
'ldap',
'mailto',
'mid',
'msrp',
'msrps',
'mtqp',
'mupdate',
'news',
'nfs',
'ni',
'nih',
'nntp',
'opaquelocktoken',
'pop',
'pres',
'rtsp',
'service',
'session',
'shttp',
'sieve',
'sip',
'sips',
'sms',
'snmp',
'soap.beep',
'soap.beeps',
'tag',
'tel',
'telnet',
'tftp',
'thismessage',
'tn3270',
'tip',
'tv',
'urn',
'vemmi',
'ws',
'wss',
'xcon',
'xcon-userid',
'xmlrpc.beep',
'xmlrpc.beeps',
'xmpp',
'z39.50r',
'z39.50s',
'adiumxtra',
'afp',
'afs',
'aim',
'apt',
'attachment',
'aw',
'beshare',
'bitcoin',
'bolo',
'callto',
'chrome',
'chrome-extension',
'com-eventbrite-attendee',
'content',
'cvs',
'dlna-playsingle',
'dlna-playcontainer',
'dtn',
'dvb',
'ed2k',
'facetime',
'feed',
'finger',
'fish',
'gg',
'git',
'gizmoproject',
'gtalk',
'hcp',
'icon',
'ipn',
'irc',
'irc6',
'ircs',
'itms',
'jar',
'jms',
'keyparc',
'lastfm',
'ldaps',
'magnet',
'maps',
'market',
'message',
'mms',
'ms-help',
'msnim',
'mumble',
'mvn',
'notes',
'oid',
'palm',
'paparazzi',
'platform',
'proxy',
'psyc',
'query',
'res',
'resource',
'rmi',
'rsync',
'rtmp',
'secondlife',
'sftp',
'sgn',
'skype',
'smb',
'soldat',
'spotify',
'ssh',
'steam',
'svn',
'teamspeak',
'things',
'udp',
'unreal',
'ut2004',
'ventrilo',
'view-source',
'webcal',
'wtai',
'wyciwyg',
'xfire',
'xri',
'ymsgr'
];
// Process autolinks ''
/*eslint max-len:0*/
var EMAIL_RE = /^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/;
var AUTOLINK_RE = /^<([a-zA-Z.\-]{1,25}):([^<>\x00-\x20]*)>/;
function autolink(state, silent) {
var tail, linkMatch, emailMatch, url, fullUrl, pos = state.pos;
if (state.src.charCodeAt(pos) !== 0x3C/* < */) { return false; }
tail = state.src.slice(pos);
if (tail.indexOf('>') < 0) { return false; }
linkMatch = tail.match(AUTOLINK_RE);
if (linkMatch) {
if (url_schemas.indexOf(linkMatch[1].toLowerCase()) < 0) { return false; }
url = linkMatch[0].slice(1, -1);
fullUrl = normalizeLink(url);
if (!state.parser.validateLink(url)) { return false; }
if (!silent) {
state.push({
type: 'link_open',
href: fullUrl,
level: state.level
});
state.push({
type: 'text',
content: url,
level: state.level + 1
});
state.push({ type: 'link_close', level: state.level });
}
state.pos += linkMatch[0].length;
return true;
}
emailMatch = tail.match(EMAIL_RE);
if (emailMatch) {
url = emailMatch[0].slice(1, -1);
fullUrl = normalizeLink('mailto:' + url);
if (!state.parser.validateLink(fullUrl)) { return false; }
if (!silent) {
state.push({
type: 'link_open',
href: fullUrl,
level: state.level
});
state.push({
type: 'text',
content: url,
level: state.level + 1
});
state.push({ type: 'link_close', level: state.level });
}
state.pos += emailMatch[0].length;
return true;
}
return false;
}
// Regexps to match html elements
function replace$1(regex, options) {
regex = regex.source;
options = options || '';
return function self(name, val) {
if (!name) {
return new RegExp(regex, options);
}
val = val.source || val;
regex = regex.replace(name, val);
return self;
};
}
var attr_name = /[a-zA-Z_:][a-zA-Z0-9:._-]*/;
var unquoted = /[^"'=<>`\x00-\x20]+/;
var single_quoted = /'[^']*'/;
var double_quoted = /"[^"]*"/;
/*eslint no-spaced-func:0*/
var attr_value = replace$1(/(?:unquoted|single_quoted|double_quoted)/)
('unquoted', unquoted)
('single_quoted', single_quoted)
('double_quoted', double_quoted)
();
var attribute = replace$1(/(?:\s+attr_name(?:\s*=\s*attr_value)?)/)
('attr_name', attr_name)
('attr_value', attr_value)
();
var open_tag = replace$1(/<[A-Za-z][A-Za-z0-9]*attribute*\s*\/?>/)
('attribute', attribute)
();
var close_tag = /<\/[A-Za-z][A-Za-z0-9]*\s*>/;
var comment = /|/;
var processing = /<[?].*?[?]>/;
var declaration = /]*>/;
var cdata = //;
var HTML_TAG_RE = replace$1(/^(?:open_tag|close_tag|comment|processing|declaration|cdata)/)
('open_tag', open_tag)
('close_tag', close_tag)
('comment', comment)
('processing', processing)
('declaration', declaration)
('cdata', cdata)
();
// Process html tags
function isLetter$2(ch) {
/*eslint no-bitwise:0*/
var lc = ch | 0x20; // to lower case
return (lc >= 0x61/* a */) && (lc <= 0x7a/* z */);
}
function htmltag(state, silent) {
var ch, match, max, pos = state.pos;
if (!state.options.html) { return false; }
// Check start
max = state.posMax;
if (state.src.charCodeAt(pos) !== 0x3C/* < */ ||
pos + 2 >= max) {
return false;
}
// Quick fail on second char
ch = state.src.charCodeAt(pos + 1);
if (ch !== 0x21/* ! */ &&
ch !== 0x3F/* ? */ &&
ch !== 0x2F/* / */ &&
!isLetter$2(ch)) {
return false;
}
match = state.src.slice(pos).match(HTML_TAG_RE);
if (!match) { return false; }
if (!silent) {
state.push({
type: 'htmltag',
content: state.src.slice(pos, pos + match[0].length),
level: state.level
});
}
state.pos += match[0].length;
return true;
}
// Process html entity - {, ¯, ", ...
var DIGITAL_RE = /^&#((?:x[a-f0-9]{1,8}|[0-9]{1,8}));/i;
var NAMED_RE = /^&([a-z][a-z0-9]{1,31});/i;
function entity(state, silent) {
var ch, code, match, pos = state.pos, max = state.posMax;
if (state.src.charCodeAt(pos) !== 0x26/* & */) { return false; }
if (pos + 1 < max) {
ch = state.src.charCodeAt(pos + 1);
if (ch === 0x23 /* # */) {
match = state.src.slice(pos).match(DIGITAL_RE);
if (match) {
if (!silent) {
code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10);
state.pending += isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD);
}
state.pos += match[0].length;
return true;
}
} else {
match = state.src.slice(pos).match(NAMED_RE);
if (match) {
var decoded = decodeEntity(match[1]);
if (match[1] !== decoded) {
if (!silent) { state.pending += decoded; }
state.pos += match[0].length;
return true;
}
}
}
}
if (!silent) { state.pending += '&'; }
state.pos++;
return true;
}
/**
* Inline Parser `rules`
*/
var _rules$2 = [
[ 'text', text ],
[ 'newline', newline ],
[ 'escape', escape ],
[ 'backticks', backticks ],
[ 'del', del ],
[ 'ins', ins ],
[ 'mark', mark ],
[ 'emphasis', emphasis ],
[ 'sub', sub ],
[ 'sup', sup ],
[ 'links', links ],
[ 'footnote_inline', footnote_inline ],
[ 'footnote_ref', footnote_ref ],
[ 'autolink', autolink ],
[ 'htmltag', htmltag ],
[ 'entity', entity ]
];
/**
* Inline Parser class. Note that link validation is stricter
* in Remarkable than what is specified by CommonMark. If you
* want to change this you can use a custom validator.
*
* @api private
*/
function ParserInline() {
this.ruler = new Ruler();
for (var i = 0; i < _rules$2.length; i++) {
this.ruler.push(_rules$2[i][0], _rules$2[i][1]);
}
// Can be overridden with a custom validator
this.validateLink = validateLink;
}
/**
* Skip a single token by running all rules in validation mode.
* Returns `true` if any rule reports success.
*
* @param {Object} `state`
* @api privage
*/
ParserInline.prototype.skipToken = function (state) {
var rules = this.ruler.getRules('');
var len = rules.length;
var pos = state.pos;
var i, cached_pos;
if ((cached_pos = state.cacheGet(pos)) > 0) {
state.pos = cached_pos;
return;
}
for (i = 0; i < len; i++) {
if (rules[i](state, true)) {
state.cacheSet(pos, state.pos);
return;
}
}
state.pos++;
state.cacheSet(pos, state.pos);
};
/**
* Generate tokens for the given input range.
*
* @param {Object} `state`
* @api private
*/
ParserInline.prototype.tokenize = function (state) {
var rules = this.ruler.getRules('');
var len = rules.length;
var end = state.posMax;
var ok, i;
while (state.pos < end) {
// Try all possible rules.
// On success, the rule should:
//
// - update `state.pos`
// - update `state.tokens`
// - return true
for (i = 0; i < len; i++) {
ok = rules[i](state, false);
if (ok) {
break;
}
}
if (ok) {
if (state.pos >= end) { break; }
continue;
}
state.pending += state.src[state.pos++];
}
if (state.pending) {
state.pushPending();
}
};
/**
* Parse the given input string.
*
* @param {String} `str`
* @param {Object} `options`
* @param {Object} `env`
* @param {Array} `outTokens`
* @api private
*/
ParserInline.prototype.parse = function (str, options, env, outTokens) {
var state = new StateInline(str, this, options, env, outTokens);
this.tokenize(state);
};
/**
* Validate the given `url` by checking for bad protocols.
*
* @param {String} `url`
* @return {Boolean}
*/
function validateLink(url) {
var BAD_PROTOCOLS = [ 'vbscript', 'javascript', 'file', 'data' ];
var str = url.trim().toLowerCase();
// Care about digital entities "javascript:alert(1)"
str = replaceEntities(str);
if (str.indexOf(':') !== -1 && BAD_PROTOCOLS.indexOf(str.split(':')[0]) !== -1) {
return false;
}
return true;
}
// Remarkable default options
var defaultConfig = {
options: {
html: false, // Enable HTML tags in source
xhtmlOut: false, // Use '/' to close single tags (
)
breaks: false, // Convert '\n' in paragraphs into
langPrefix: 'language-', // CSS language prefix for fenced blocks
linkTarget: '', // set target to open link in
// Enable some language-neutral replacements + quotes beautification
typographer: false,
// Double + single quotes replacement pairs, when typographer enabled,
// and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
quotes: '“”‘’',
// Highlighter function. Should return escaped HTML,
// or '' if input not changed
//
// function (/*str, lang*/) { return ''; }
//
highlight: null,
maxNesting: 20 // Internal protection, recursion limit
},
components: {
core: {
rules: [
'block',
'inline',
'references',
'replacements',
'smartquotes',
'references',
'abbr2',
'footnote_tail'
]
},
block: {
rules: [
'blockquote',
'code',
'fences',
'footnote',
'heading',
'hr',
'htmlblock',
'lheading',
'list',
'paragraph',
'table'
]
},
inline: {
rules: [
'autolink',
'backticks',
'del',
'emphasis',
'entity',
'escape',
'footnote_ref',
'htmltag',
'links',
'newline',
'text'
]
}
}
};
// Remarkable default options
var fullConfig = {
options: {
html: false, // Enable HTML tags in source
xhtmlOut: false, // Use '/' to close single tags (
)
breaks: false, // Convert '\n' in paragraphs into
langPrefix: 'language-', // CSS language prefix for fenced blocks
linkTarget: '', // set target to open link in
// Enable some language-neutral replacements + quotes beautification
typographer: false,
// Double + single quotes replacement pairs, when typographer enabled,
// and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
quotes: '“”‘’',
// Highlighter function. Should return escaped HTML,
// or '' if input not changed
//
// function (/*str, lang*/) { return ''; }
//
highlight: null,
maxNesting: 20 // Internal protection, recursion limit
},
components: {
// Don't restrict core/block/inline rules
core: {},
block: {},
inline: {}
}
};
// Commonmark default options
var commonmarkConfig = {
options: {
html: true, // Enable HTML tags in source
xhtmlOut: true, // Use '/' to close single tags (
)
breaks: false, // Convert '\n' in paragraphs into
langPrefix: 'language-', // CSS language prefix for fenced blocks
linkTarget: '', // set target to open link in
// Enable some language-neutral replacements + quotes beautification
typographer: false,
// Double + single quotes replacement pairs, when typographer enabled,
// and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
quotes: '“”‘’',
// Highlighter function. Should return escaped HTML,
// or '' if input not changed
//
// function (/*str, lang*/) { return ''; }
//
highlight: null,
maxNesting: 20 // Internal protection, recursion limit
},
components: {
core: {
rules: [
'block',
'inline',
'references',
'abbr2'
]
},
block: {
rules: [
'blockquote',
'code',
'fences',
'heading',
'hr',
'htmlblock',
'lheading',
'list',
'paragraph'
]
},
inline: {
rules: [
'autolink',
'backticks',
'emphasis',
'entity',
'escape',
'htmltag',
'links',
'newline',
'text'
]
}
}
};
/**
* Preset configs
*/
var config = {
'default': defaultConfig,
'full': fullConfig,
'commonmark': commonmarkConfig
};
/**
* The `StateCore` class manages state.
*
* @param {Object} `instance` Remarkable instance
* @param {String} `str` Markdown string
* @param {Object} `env`
*/
function StateCore(instance, str, env) {
this.src = str;
this.env = env;
this.options = instance.options;
this.tokens = [];
this.inlineMode = false;
this.inline = instance.inline;
this.block = instance.block;
this.renderer = instance.renderer;
this.typographer = instance.typographer;
}
/**
* The main `Remarkable` class. Create an instance of
* `Remarkable` with a `preset` and/or `options`.
*
* @param {String} `preset` If no preset is given, `default` is used.
* @param {Object} `options`
*/
function Remarkable(preset, options) {
if (typeof preset !== 'string') {
options = preset;
preset = 'default';
}
if (options && options.linkify != null) {
console.warn(
'linkify option is removed. Use linkify plugin instead:\n\n' +
'import Remarkable from \'remarkable\';\n' +
'import linkify from \'remarkable/linkify\';\n' +
'new Remarkable().use(linkify)\n'
);
}
this.inline = new ParserInline();
this.block = new ParserBlock();
this.core = new Core();
this.renderer = new Renderer();
this.ruler = new Ruler();
this.options = {};
this.configure(config[preset]);
this.set(options || {});
}
/**
* Set options as an alternative to passing them
* to the constructor.
*
* ```js
* md.set({typographer: true});
* ```
* @param {Object} `options`
* @api public
*/
Remarkable.prototype.set = function (options) {
assign(this.options, options);
};
/**
* Batch loader for components rules states, and options
*
* @param {Object} `presets`
*/
Remarkable.prototype.configure = function (presets) {
var self = this;
if (!presets) { throw new Error('Wrong `remarkable` preset, check name/content'); }
if (presets.options) { self.set(presets.options); }
if (presets.components) {
Object.keys(presets.components).forEach(function (name) {
if (presets.components[name].rules) {
self[name].ruler.enable(presets.components[name].rules, true);
}
});
}
};
/**
* Use a plugin.
*
* ```js
* var md = new Remarkable();
*
* md.use(plugin1)
* .use(plugin2, opts)
* .use(plugin3);
* ```
*
* @param {Function} `plugin`
* @param {Object} `options`
* @return {Object} `Remarkable` for chaining
*/
Remarkable.prototype.use = function (plugin, options) {
plugin(this, options);
return this;
};
/**
* Parse the input `string` and return a tokens array.
* Modifies `env` with definitions data.
*
* @param {String} `string`
* @param {Object} `env`
* @return {Array} Array of tokens
*/
Remarkable.prototype.parse = function (str, env) {
var state = new StateCore(this, str, env);
this.core.process(state);
return state.tokens;
};
/**
* The main `.render()` method that does all the magic :)
*
* @param {String} `string`
* @param {Object} `env`
* @return {String} Rendered HTML.
*/
Remarkable.prototype.render = function (str, env) {
env = env || {};
return this.renderer.render(this.parse(str, env), this.options, env);
};
/**
* Parse the given content `string` as a single string.
*
* @param {String} `string`
* @param {Object} `env`
* @return {Array} Array of tokens
*/
Remarkable.prototype.parseInline = function (str, env) {
var state = new StateCore(this, str, env);
state.inlineMode = true;
this.core.process(state);
return state.tokens;
};
/**
* Render a single content `string`, without wrapping it
* to paragraphs
*
* @param {String} `str`
* @param {Object} `env`
* @return {String}
*/
Remarkable.prototype.renderInline = function (str, env) {
env = env || {};
return this.renderer.render(this.parseInline(str, env), this.options, env);
};
const md = new Remarkable();
md.block.ruler.enable(['deflist']);
function shallowEqual(a, b) {
a = a || {};
b = b || {};
return Object.keys(a).length === Object.keys(b).length && Object.keys(a).every(k => a[k] === b[k]);
}
function extractInline(token) {
const root = {
t: 'inline',
c: []
};
const stack = [root];
let style = {};
for (const child of token.children) {
const current = stack[stack.length - 1];
if (child.type === 'text') {
current.c.push({
t: 'text',
v: child.content,
p: {
style
}
});
} else if (child.type === 'softbreak') {
current.c.push({
t: 'softbreak'
});
} else if (child.type.endsWith('_open')) {
const type = child.type.slice(0, -5);
if (type === 'link') {
const item = {
t: 'link',
c: [],
p: {
href: child.href,
title: child.title
}
};
current.c.push(item);
stack.push(item);
} else {
style = { ...style,
[type]: true
};
}
} else if (child.type.endsWith('_close')) {
const type = child.type.slice(0, -6);
if (type === 'link') {
stack.pop();
} else {
style = { ...style,
[type]: false
};
}
}
}
return root.c;
}
function cleanNode(node, depth = 0) {
if (node.t === 'heading') {
// drop all paragraphs
node.c = node.c.filter(item => item.t !== 'paragraph');
} else if (node.t === 'list_item') {
var _node$p;
// keep first paragraph as content of list_item, drop others
node.c = node.c.filter(item => {
if (item.t === 'paragraph') {
if (!node.v.length) node.v.push(...item.v);
return false;
}
return true;
});
if (((_node$p = node.p) == null ? void 0 : _node$p.index) != null) {
node.v.unshift({
t: 'text',
v: `${node.p.index}. `
});
}
} else if (node.t === 'ordered_list') {
var _node$p$start, _node$p2;
let index = (_node$p$start = (_node$p2 = node.p) == null ? void 0 : _node$p2.start) != null ? _node$p$start : 1;
node.c.forEach(item => {
if (item.t === 'list_item') {
item.p = { ...item.p,
index: index
};
index += 1;
}
});
}
if (node.c.length === 0) {
delete node.c;
} else {
if (node.c.length === 1 && !node.c[0].v.length) {
node.c = node.c[0].c;
}
node.c.forEach(child => cleanNode(child, depth + 1));
}
let last;
const content = [];
for (const item of node.v) {
var _last, _last$p, _item$p;
if (((_last = last) == null ? void 0 : _last.t) === 'text' && item.t === 'text' && shallowEqual((_last$p = last.p) == null ? void 0 : _last$p.style, (_item$p = item.p) == null ? void 0 : _item$p.style)) {
last.v += item.v;
} else {
content.push(item);
}
last = item;
}
node.v = content;
node.d = depth;
delete node.p;
}
function buildTree(tokens) {
// TODO deal with -
const root = {
t: 'root',
d: 0,
v: [],
c: []
};
const stack = [root];
let depth = 0;
for (const token of tokens) {
let current = stack[stack.length - 1];
if (token.type.endsWith('_open')) {
const type = token.type.slice(0, -5);
const payload = {};
if (type === 'heading') {
depth = token.hLevel;
while (((_current = current) == null ? void 0 : _current.d) >= depth) {
var _current;
stack.pop();
current = stack[stack.length - 1];
}
} else {
var _current2;
depth = Math.max(depth, ((_current2 = current) == null ? void 0 : _current2.d) || 0) + 1;
if (type === 'ordered_list') {
payload.start = token.order;
}
}
const item = {
t: type,
d: depth,
v: [],
p: payload,
c: []
};
current.c.push(item);
stack.push(item);
} else if (!current) {
continue;
} else if (token.type === `${current.t}_close`) {
if (current.t === 'heading') {
depth = current.d;
} else {
stack.pop();
depth = 0;
}
} else {
current.v.push(...extractInline(token));
}
}
return root;
}
function transform(content) {
var _root$c;
const tokens = md.parse(content || '', {});
let root = buildTree(tokens);
cleanNode(root);
if (((_root$c = root.c) == null ? void 0 : _root$c.length) === 1) root = root.c[0];
return root;
}
exports.buildTree = buildTree;
exports.transform = transform;
}(this.markmap = this.markmap || {}));