godot/thirdparty/icu4c/common/locdspnm.cpp
2021-10-28 09:15:28 +03:00

1137 lines
41 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2010-2016, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/locdspnm.h"
#include "unicode/simpleformatter.h"
#include "unicode/ucasemap.h"
#include "unicode/ures.h"
#include "unicode/udisplaycontext.h"
#include "unicode/brkiter.h"
#include "unicode/ucurr.h"
#include "cmemory.h"
#include "cstring.h"
#include "mutex.h"
#include "ulocimp.h"
#include "umutex.h"
#include "ureslocs.h"
#include "uresimp.h"
#include <stdarg.h>
/**
* Concatenate a number of null-terminated strings to buffer, leaving a
* null-terminated string. The last argument should be the null pointer.
* Return the length of the string in the buffer, not counting the trailing
* null. Return -1 if there is an error (buffer is null, or buflen < 1).
*/
static int32_t ncat(char *buffer, uint32_t buflen, ...) {
va_list args;
char *str;
char *p = buffer;
const char* e = buffer + buflen - 1;
if (buffer == NULL || buflen < 1) {
return -1;
}
va_start(args, buflen);
while ((str = va_arg(args, char *)) != 0) {
char c;
while (p != e && (c = *str++) != 0) {
*p++ = c;
}
}
*p = 0;
va_end(args);
return static_cast<int32_t>(p - buffer);
}
U_NAMESPACE_BEGIN
////////////////////////////////////////////////////////////////////////////////////////////////////
// Access resource data for locale components.
// Wrap code in uloc.c for now.
class ICUDataTable {
const char* path;
Locale locale;
public:
ICUDataTable(const char* path, const Locale& locale);
~ICUDataTable();
const Locale& getLocale();
UnicodeString& get(const char* tableKey, const char* itemKey,
UnicodeString& result) const;
UnicodeString& get(const char* tableKey, const char* subTableKey, const char* itemKey,
UnicodeString& result) const;
UnicodeString& getNoFallback(const char* tableKey, const char* itemKey,
UnicodeString &result) const;
UnicodeString& getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey,
UnicodeString &result) const;
};
inline UnicodeString &
ICUDataTable::get(const char* tableKey, const char* itemKey, UnicodeString& result) const {
return get(tableKey, NULL, itemKey, result);
}
inline UnicodeString &
ICUDataTable::getNoFallback(const char* tableKey, const char* itemKey, UnicodeString& result) const {
return getNoFallback(tableKey, NULL, itemKey, result);
}
ICUDataTable::ICUDataTable(const char* path, const Locale& locale)
: path(NULL), locale(Locale::getRoot())
{
if (path) {
int32_t len = static_cast<int32_t>(uprv_strlen(path));
this->path = (const char*) uprv_malloc(len + 1);
if (this->path) {
uprv_strcpy((char *)this->path, path);
this->locale = locale;
}
}
}
ICUDataTable::~ICUDataTable() {
if (path) {
uprv_free((void*) path);
path = NULL;
}
}
const Locale&
ICUDataTable::getLocale() {
return locale;
}
UnicodeString &
ICUDataTable::get(const char* tableKey, const char* subTableKey, const char* itemKey,
UnicodeString &result) const {
UErrorCode status = U_ZERO_ERROR;
int32_t len = 0;
const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(),
tableKey, subTableKey, itemKey,
&len, &status);
if (U_SUCCESS(status) && len > 0) {
return result.setTo(s, len);
}
return result.setTo(UnicodeString(itemKey, -1, US_INV));
}
UnicodeString &
ICUDataTable::getNoFallback(const char* tableKey, const char* subTableKey, const char* itemKey,
UnicodeString& result) const {
UErrorCode status = U_ZERO_ERROR;
int32_t len = 0;
const UChar *s = uloc_getTableStringWithFallback(path, locale.getName(),
tableKey, subTableKey, itemKey,
&len, &status);
if (U_SUCCESS(status)) {
return result.setTo(s, len);
}
result.setToBogus();
return result;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
LocaleDisplayNames::~LocaleDisplayNames() {}
////////////////////////////////////////////////////////////////////////////////////////////////////
#if 0 // currently unused
class DefaultLocaleDisplayNames : public LocaleDisplayNames {
UDialectHandling dialectHandling;
public:
// constructor
DefaultLocaleDisplayNames(UDialectHandling dialectHandling);
virtual ~DefaultLocaleDisplayNames();
virtual const Locale& getLocale() const;
virtual UDialectHandling getDialectHandling() const;
virtual UnicodeString& localeDisplayName(const Locale& locale,
UnicodeString& result) const;
virtual UnicodeString& localeDisplayName(const char* localeId,
UnicodeString& result) const;
virtual UnicodeString& languageDisplayName(const char* lang,
UnicodeString& result) const;
virtual UnicodeString& scriptDisplayName(const char* script,
UnicodeString& result) const;
virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode,
UnicodeString& result) const;
virtual UnicodeString& regionDisplayName(const char* region,
UnicodeString& result) const;
virtual UnicodeString& variantDisplayName(const char* variant,
UnicodeString& result) const;
virtual UnicodeString& keyDisplayName(const char* key,
UnicodeString& result) const;
virtual UnicodeString& keyValueDisplayName(const char* key,
const char* value,
UnicodeString& result) const;
};
DefaultLocaleDisplayNames::DefaultLocaleDisplayNames(UDialectHandling dialectHandling)
: dialectHandling(dialectHandling) {
}
DefaultLocaleDisplayNames::~DefaultLocaleDisplayNames() {
}
const Locale&
DefaultLocaleDisplayNames::getLocale() const {
return Locale::getRoot();
}
UDialectHandling
DefaultLocaleDisplayNames::getDialectHandling() const {
return dialectHandling;
}
UnicodeString&
DefaultLocaleDisplayNames::localeDisplayName(const Locale& locale,
UnicodeString& result) const {
return result = UnicodeString(locale.getName(), -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::localeDisplayName(const char* localeId,
UnicodeString& result) const {
return result = UnicodeString(localeId, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::languageDisplayName(const char* lang,
UnicodeString& result) const {
return result = UnicodeString(lang, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::scriptDisplayName(const char* script,
UnicodeString& result) const {
return result = UnicodeString(script, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::scriptDisplayName(UScriptCode scriptCode,
UnicodeString& result) const {
const char* name = uscript_getName(scriptCode);
if (name) {
return result = UnicodeString(name, -1, US_INV);
}
return result.remove();
}
UnicodeString&
DefaultLocaleDisplayNames::regionDisplayName(const char* region,
UnicodeString& result) const {
return result = UnicodeString(region, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::variantDisplayName(const char* variant,
UnicodeString& result) const {
return result = UnicodeString(variant, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::keyDisplayName(const char* key,
UnicodeString& result) const {
return result = UnicodeString(key, -1, US_INV);
}
UnicodeString&
DefaultLocaleDisplayNames::keyValueDisplayName(const char* /* key */,
const char* value,
UnicodeString& result) const {
return result = UnicodeString(value, -1, US_INV);
}
#endif // currently unused class DefaultLocaleDisplayNames
////////////////////////////////////////////////////////////////////////////////////////////////////
class LocaleDisplayNamesImpl : public LocaleDisplayNames {
Locale locale;
UDialectHandling dialectHandling;
ICUDataTable langData;
ICUDataTable regionData;
SimpleFormatter separatorFormat;
SimpleFormatter format;
SimpleFormatter keyTypeFormat;
UDisplayContext capitalizationContext;
#if !UCONFIG_NO_BREAK_ITERATION
BreakIterator* capitalizationBrkIter;
#else
UObject* capitalizationBrkIter;
#endif
UnicodeString formatOpenParen;
UnicodeString formatReplaceOpenParen;
UnicodeString formatCloseParen;
UnicodeString formatReplaceCloseParen;
UDisplayContext nameLength;
UDisplayContext substitute;
// Constants for capitalization context usage types.
enum CapContextUsage {
kCapContextUsageLanguage,
kCapContextUsageScript,
kCapContextUsageTerritory,
kCapContextUsageVariant,
kCapContextUsageKey,
kCapContextUsageKeyValue,
kCapContextUsageCount
};
// Capitalization transforms. For each usage type, indicates whether to titlecase for
// the context specified in capitalizationContext (which we know at construction time)
UBool fCapitalization[kCapContextUsageCount];
public:
// constructor
LocaleDisplayNamesImpl(const Locale& locale, UDialectHandling dialectHandling);
LocaleDisplayNamesImpl(const Locale& locale, UDisplayContext *contexts, int32_t length);
virtual ~LocaleDisplayNamesImpl();
virtual const Locale& getLocale() const override;
virtual UDialectHandling getDialectHandling() const override;
virtual UDisplayContext getContext(UDisplayContextType type) const override;
virtual UnicodeString& localeDisplayName(const Locale& locale,
UnicodeString& result) const override;
virtual UnicodeString& localeDisplayName(const char* localeId,
UnicodeString& result) const override;
virtual UnicodeString& languageDisplayName(const char* lang,
UnicodeString& result) const override;
virtual UnicodeString& scriptDisplayName(const char* script,
UnicodeString& result) const override;
virtual UnicodeString& scriptDisplayName(UScriptCode scriptCode,
UnicodeString& result) const override;
virtual UnicodeString& regionDisplayName(const char* region,
UnicodeString& result) const override;
virtual UnicodeString& variantDisplayName(const char* variant,
UnicodeString& result) const override;
virtual UnicodeString& keyDisplayName(const char* key,
UnicodeString& result) const override;
virtual UnicodeString& keyValueDisplayName(const char* key,
const char* value,
UnicodeString& result) const override;
private:
UnicodeString& localeIdName(const char* localeId,
UnicodeString& result, bool substitute) const;
UnicodeString& appendWithSep(UnicodeString& buffer, const UnicodeString& src) const;
UnicodeString& adjustForUsageAndContext(CapContextUsage usage, UnicodeString& result) const;
UnicodeString& scriptDisplayName(const char* script, UnicodeString& result, UBool skipAdjust) const;
UnicodeString& regionDisplayName(const char* region, UnicodeString& result, UBool skipAdjust) const;
UnicodeString& variantDisplayName(const char* variant, UnicodeString& result, UBool skipAdjust) const;
UnicodeString& keyDisplayName(const char* key, UnicodeString& result, UBool skipAdjust) const;
UnicodeString& keyValueDisplayName(const char* key, const char* value,
UnicodeString& result, UBool skipAdjust) const;
void initialize(void);
struct CapitalizationContextSink;
};
LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale,
UDialectHandling dialectHandling)
: dialectHandling(dialectHandling)
, langData(U_ICUDATA_LANG, locale)
, regionData(U_ICUDATA_REGION, locale)
, capitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
, capitalizationBrkIter(NULL)
, nameLength(UDISPCTX_LENGTH_FULL)
, substitute(UDISPCTX_SUBSTITUTE)
{
initialize();
}
LocaleDisplayNamesImpl::LocaleDisplayNamesImpl(const Locale& locale,
UDisplayContext *contexts, int32_t length)
: dialectHandling(ULDN_STANDARD_NAMES)
, langData(U_ICUDATA_LANG, locale)
, regionData(U_ICUDATA_REGION, locale)
, capitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
, capitalizationBrkIter(NULL)
, nameLength(UDISPCTX_LENGTH_FULL)
, substitute(UDISPCTX_SUBSTITUTE)
{
while (length-- > 0) {
UDisplayContext value = *contexts++;
UDisplayContextType selector = (UDisplayContextType)((uint32_t)value >> 8);
switch (selector) {
case UDISPCTX_TYPE_DIALECT_HANDLING:
dialectHandling = (UDialectHandling)value;
break;
case UDISPCTX_TYPE_CAPITALIZATION:
capitalizationContext = value;
break;
case UDISPCTX_TYPE_DISPLAY_LENGTH:
nameLength = value;
break;
case UDISPCTX_TYPE_SUBSTITUTE_HANDLING:
substitute = value;
break;
default:
break;
}
}
initialize();
}
struct LocaleDisplayNamesImpl::CapitalizationContextSink : public ResourceSink {
UBool hasCapitalizationUsage;
LocaleDisplayNamesImpl& parent;
CapitalizationContextSink(LocaleDisplayNamesImpl& _parent)
: hasCapitalizationUsage(FALSE), parent(_parent) {}
virtual ~CapitalizationContextSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
ResourceTable contexts = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; contexts.getKeyAndValue(i, key, value); ++i) {
CapContextUsage usageEnum;
if (uprv_strcmp(key, "key") == 0) {
usageEnum = kCapContextUsageKey;
} else if (uprv_strcmp(key, "keyValue") == 0) {
usageEnum = kCapContextUsageKeyValue;
} else if (uprv_strcmp(key, "languages") == 0) {
usageEnum = kCapContextUsageLanguage;
} else if (uprv_strcmp(key, "script") == 0) {
usageEnum = kCapContextUsageScript;
} else if (uprv_strcmp(key, "territory") == 0) {
usageEnum = kCapContextUsageTerritory;
} else if (uprv_strcmp(key, "variant") == 0) {
usageEnum = kCapContextUsageVariant;
} else {
continue;
}
int32_t len = 0;
const int32_t* intVector = value.getIntVector(len, errorCode);
if (U_FAILURE(errorCode)) { return; }
if (len < 2) { continue; }
int32_t titlecaseInt = (parent.capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU) ? intVector[0] : intVector[1];
if (titlecaseInt == 0) { continue; }
parent.fCapitalization[usageEnum] = TRUE;
hasCapitalizationUsage = TRUE;
}
}
};
// Virtual destructors must be defined out of line.
LocaleDisplayNamesImpl::CapitalizationContextSink::~CapitalizationContextSink() {}
void
LocaleDisplayNamesImpl::initialize(void) {
LocaleDisplayNamesImpl *nonConstThis = (LocaleDisplayNamesImpl *)this;
nonConstThis->locale = langData.getLocale() == Locale::getRoot()
? regionData.getLocale()
: langData.getLocale();
UnicodeString sep;
langData.getNoFallback("localeDisplayPattern", "separator", sep);
if (sep.isBogus()) {
sep = UnicodeString("{0}, {1}", -1, US_INV);
}
UErrorCode status = U_ZERO_ERROR;
separatorFormat.applyPatternMinMaxArguments(sep, 2, 2, status);
UnicodeString pattern;
langData.getNoFallback("localeDisplayPattern", "pattern", pattern);
if (pattern.isBogus()) {
pattern = UnicodeString("{0} ({1})", -1, US_INV);
}
format.applyPatternMinMaxArguments(pattern, 2, 2, status);
if (pattern.indexOf((UChar)0xFF08) >= 0) {
formatOpenParen.setTo((UChar)0xFF08); // fullwidth (
formatReplaceOpenParen.setTo((UChar)0xFF3B); // fullwidth [
formatCloseParen.setTo((UChar)0xFF09); // fullwidth )
formatReplaceCloseParen.setTo((UChar)0xFF3D); // fullwidth ]
} else {
formatOpenParen.setTo((UChar)0x0028); // (
formatReplaceOpenParen.setTo((UChar)0x005B); // [
formatCloseParen.setTo((UChar)0x0029); // )
formatReplaceCloseParen.setTo((UChar)0x005D); // ]
}
UnicodeString ktPattern;
langData.get("localeDisplayPattern", "keyTypePattern", ktPattern);
if (ktPattern.isBogus()) {
ktPattern = UnicodeString("{0}={1}", -1, US_INV);
}
keyTypeFormat.applyPatternMinMaxArguments(ktPattern, 2, 2, status);
uprv_memset(fCapitalization, 0, sizeof(fCapitalization));
#if !UCONFIG_NO_BREAK_ITERATION
// Only get the context data if we need it! This is a const object so we know now...
// Also check whether we will need a break iterator (depends on the data)
UBool needBrkIter = FALSE;
if (capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_UI_LIST_OR_MENU || capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_STANDALONE) {
LocalUResourceBundlePointer resource(ures_open(NULL, locale.getName(), &status));
if (U_FAILURE(status)) { return; }
CapitalizationContextSink sink(*this);
ures_getAllItemsWithFallback(resource.getAlias(), "contextTransforms", sink, status);
if (status == U_MISSING_RESOURCE_ERROR) {
// Silently ignore. Not every locale has contextTransforms.
status = U_ZERO_ERROR;
} else if (U_FAILURE(status)) {
return;
}
needBrkIter = sink.hasCapitalizationUsage;
}
// Get a sentence break iterator if we will need it
if (needBrkIter || capitalizationContext == UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE) {
status = U_ZERO_ERROR;
capitalizationBrkIter = BreakIterator::createSentenceInstance(locale, status);
if (U_FAILURE(status)) {
delete capitalizationBrkIter;
capitalizationBrkIter = NULL;
}
}
#endif
}
LocaleDisplayNamesImpl::~LocaleDisplayNamesImpl() {
#if !UCONFIG_NO_BREAK_ITERATION
delete capitalizationBrkIter;
#endif
}
const Locale&
LocaleDisplayNamesImpl::getLocale() const {
return locale;
}
UDialectHandling
LocaleDisplayNamesImpl::getDialectHandling() const {
return dialectHandling;
}
UDisplayContext
LocaleDisplayNamesImpl::getContext(UDisplayContextType type) const {
switch (type) {
case UDISPCTX_TYPE_DIALECT_HANDLING:
return (UDisplayContext)dialectHandling;
case UDISPCTX_TYPE_CAPITALIZATION:
return capitalizationContext;
case UDISPCTX_TYPE_DISPLAY_LENGTH:
return nameLength;
case UDISPCTX_TYPE_SUBSTITUTE_HANDLING:
return substitute;
default:
break;
}
return (UDisplayContext)0;
}
UnicodeString&
LocaleDisplayNamesImpl::adjustForUsageAndContext(CapContextUsage usage,
UnicodeString& result) const {
#if !UCONFIG_NO_BREAK_ITERATION
// check to see whether we need to titlecase result
if ( result.length() > 0 && u_islower(result.char32At(0)) && capitalizationBrkIter!= NULL &&
( capitalizationContext==UDISPCTX_CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE || fCapitalization[usage] ) ) {
// note fCapitalization[usage] won't be set unless capitalizationContext is UI_LIST_OR_MENU or STANDALONE
static UMutex capitalizationBrkIterLock;
Mutex lock(&capitalizationBrkIterLock);
result.toTitle(capitalizationBrkIter, locale, U_TITLECASE_NO_LOWERCASE | U_TITLECASE_NO_BREAK_ADJUSTMENT);
}
#endif
return result;
}
UnicodeString&
LocaleDisplayNamesImpl::localeDisplayName(const Locale& loc,
UnicodeString& result) const {
if (loc.isBogus()) {
result.setToBogus();
return result;
}
UnicodeString resultName;
const char* lang = loc.getLanguage();
if (uprv_strlen(lang) == 0) {
lang = "root";
}
const char* script = loc.getScript();
const char* country = loc.getCountry();
const char* variant = loc.getVariant();
UBool hasScript = uprv_strlen(script) > 0;
UBool hasCountry = uprv_strlen(country) > 0;
UBool hasVariant = uprv_strlen(variant) > 0;
if (dialectHandling == ULDN_DIALECT_NAMES) {
char buffer[ULOC_FULLNAME_CAPACITY];
do { // loop construct is so we can break early out of search
if (hasScript && hasCountry) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, "_", country, (char *)0);
localeIdName(buffer, resultName, false);
if (!resultName.isBogus()) {
hasScript = FALSE;
hasCountry = FALSE;
break;
}
}
if (hasScript) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", script, (char *)0);
localeIdName(buffer, resultName, false);
if (!resultName.isBogus()) {
hasScript = FALSE;
break;
}
}
if (hasCountry) {
ncat(buffer, ULOC_FULLNAME_CAPACITY, lang, "_", country, (char*)0);
localeIdName(buffer, resultName, false);
if (!resultName.isBogus()) {
hasCountry = FALSE;
break;
}
}
} while (FALSE);
}
if (resultName.isBogus() || resultName.isEmpty()) {
localeIdName(lang, resultName, substitute == UDISPCTX_SUBSTITUTE);
if (resultName.isBogus()) {
result.setToBogus();
return result;
}
}
UnicodeString resultRemainder;
UnicodeString temp;
UErrorCode status = U_ZERO_ERROR;
if (hasScript) {
UnicodeString script_str = scriptDisplayName(script, temp, TRUE);
if (script_str.isBogus()) {
result.setToBogus();
return result;
}
resultRemainder.append(script_str);
}
if (hasCountry) {
UnicodeString region_str = regionDisplayName(country, temp, TRUE);
if (region_str.isBogus()) {
result.setToBogus();
return result;
}
appendWithSep(resultRemainder, region_str);
}
if (hasVariant) {
UnicodeString variant_str = variantDisplayName(variant, temp, TRUE);
if (variant_str.isBogus()) {
result.setToBogus();
return result;
}
appendWithSep(resultRemainder, variant_str);
}
resultRemainder.findAndReplace(formatOpenParen, formatReplaceOpenParen);
resultRemainder.findAndReplace(formatCloseParen, formatReplaceCloseParen);
LocalPointer<StringEnumeration> e(loc.createKeywords(status));
if (e.isValid() && U_SUCCESS(status)) {
UnicodeString temp2;
char value[ULOC_KEYWORD_AND_VALUES_CAPACITY]; // sigh, no ULOC_VALUE_CAPACITY
const char* key;
while ((key = e->next((int32_t *)0, status)) != NULL) {
value[0] = 0;
loc.getKeywordValue(key, value, ULOC_KEYWORD_AND_VALUES_CAPACITY, status);
if (U_FAILURE(status) || status == U_STRING_NOT_TERMINATED_WARNING) {
return result;
}
keyDisplayName(key, temp, TRUE);
temp.findAndReplace(formatOpenParen, formatReplaceOpenParen);
temp.findAndReplace(formatCloseParen, formatReplaceCloseParen);
keyValueDisplayName(key, value, temp2, TRUE);
temp2.findAndReplace(formatOpenParen, formatReplaceOpenParen);
temp2.findAndReplace(formatCloseParen, formatReplaceCloseParen);
if (temp2 != UnicodeString(value, -1, US_INV)) {
appendWithSep(resultRemainder, temp2);
} else if (temp != UnicodeString(key, -1, US_INV)) {
UnicodeString temp3;
keyTypeFormat.format(temp, temp2, temp3, status);
appendWithSep(resultRemainder, temp3);
} else {
appendWithSep(resultRemainder, temp)
.append((UChar)0x3d /* = */)
.append(temp2);
}
}
}
if (!resultRemainder.isEmpty()) {
format.format(resultName, resultRemainder, result.remove(), status);
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
result = resultName;
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
UnicodeString&
LocaleDisplayNamesImpl::appendWithSep(UnicodeString& buffer, const UnicodeString& src) const {
if (buffer.isEmpty()) {
buffer.setTo(src);
} else {
const UnicodeString *values[2] = { &buffer, &src };
UErrorCode status = U_ZERO_ERROR;
separatorFormat.formatAndReplace(values, 2, buffer, NULL, 0, status);
}
return buffer;
}
UnicodeString&
LocaleDisplayNamesImpl::localeDisplayName(const char* localeId,
UnicodeString& result) const {
return localeDisplayName(Locale(localeId), result);
}
// private
UnicodeString&
LocaleDisplayNamesImpl::localeIdName(const char* localeId,
UnicodeString& result, bool substitute) const {
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Languages%short", localeId, result);
if (!result.isBogus()) {
return result;
}
}
langData.getNoFallback("Languages", localeId, result);
if (result.isBogus() && uprv_strchr(localeId, '_') == NULL) {
// Canonicalize lang and try again, ICU-20870
// (only for language codes without script or region)
Locale canonLocale = Locale::createCanonical(localeId);
const char* canonLocId = canonLocale.getName();
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Languages%short", canonLocId, result);
if (!result.isBogus()) {
return result;
}
}
langData.getNoFallback("Languages", canonLocId, result);
}
if (result.isBogus() && substitute) {
// use key, this is what langData.get (with fallback) falls back to.
result.setTo(UnicodeString(localeId, -1, US_INV)); // use key (
}
return result;
}
UnicodeString&
LocaleDisplayNamesImpl::languageDisplayName(const char* lang,
UnicodeString& result) const {
if (uprv_strcmp("root", lang) == 0 || uprv_strchr(lang, '_') != NULL) {
return result = UnicodeString(lang, -1, US_INV);
}
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Languages%short", lang, result);
if (!result.isBogus()) {
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
}
langData.getNoFallback("Languages", lang, result);
if (result.isBogus()) {
// Canonicalize lang and try again, ICU-20870
Locale canonLocale = Locale::createCanonical(lang);
const char* canonLocId = canonLocale.getName();
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Languages%short", canonLocId, result);
if (!result.isBogus()) {
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
}
langData.getNoFallback("Languages", canonLocId, result);
}
if (result.isBogus() && substitute == UDISPCTX_SUBSTITUTE) {
// use key, this is what langData.get (with fallback) falls back to.
result.setTo(UnicodeString(lang, -1, US_INV)); // use key (
}
return adjustForUsageAndContext(kCapContextUsageLanguage, result);
}
UnicodeString&
LocaleDisplayNamesImpl::scriptDisplayName(const char* script,
UnicodeString& result,
UBool skipAdjust) const {
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Scripts%short", script, result);
if (!result.isBogus()) {
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageScript, result);
}
}
if (substitute == UDISPCTX_SUBSTITUTE) {
langData.get("Scripts", script, result);
} else {
langData.getNoFallback("Scripts", script, result);
}
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageScript, result);
}
UnicodeString&
LocaleDisplayNamesImpl::scriptDisplayName(const char* script,
UnicodeString& result) const {
return scriptDisplayName(script, result, FALSE);
}
UnicodeString&
LocaleDisplayNamesImpl::scriptDisplayName(UScriptCode scriptCode,
UnicodeString& result) const {
return scriptDisplayName(uscript_getName(scriptCode), result, FALSE);
}
UnicodeString&
LocaleDisplayNamesImpl::regionDisplayName(const char* region,
UnicodeString& result,
UBool skipAdjust) const {
if (nameLength == UDISPCTX_LENGTH_SHORT) {
regionData.getNoFallback("Countries%short", region, result);
if (!result.isBogus()) {
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageTerritory, result);
}
}
if (substitute == UDISPCTX_SUBSTITUTE) {
regionData.get("Countries", region, result);
} else {
regionData.getNoFallback("Countries", region, result);
}
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageTerritory, result);
}
UnicodeString&
LocaleDisplayNamesImpl::regionDisplayName(const char* region,
UnicodeString& result) const {
return regionDisplayName(region, result, FALSE);
}
UnicodeString&
LocaleDisplayNamesImpl::variantDisplayName(const char* variant,
UnicodeString& result,
UBool skipAdjust) const {
// don't have a resource for short variant names
if (substitute == UDISPCTX_SUBSTITUTE) {
langData.get("Variants", variant, result);
} else {
langData.getNoFallback("Variants", variant, result);
}
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageVariant, result);
}
UnicodeString&
LocaleDisplayNamesImpl::variantDisplayName(const char* variant,
UnicodeString& result) const {
return variantDisplayName(variant, result, FALSE);
}
UnicodeString&
LocaleDisplayNamesImpl::keyDisplayName(const char* key,
UnicodeString& result,
UBool skipAdjust) const {
// don't have a resource for short key names
if (substitute == UDISPCTX_SUBSTITUTE) {
langData.get("Keys", key, result);
} else {
langData.getNoFallback("Keys", key, result);
}
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageKey, result);
}
UnicodeString&
LocaleDisplayNamesImpl::keyDisplayName(const char* key,
UnicodeString& result) const {
return keyDisplayName(key, result, FALSE);
}
UnicodeString&
LocaleDisplayNamesImpl::keyValueDisplayName(const char* key,
const char* value,
UnicodeString& result,
UBool skipAdjust) const {
if (uprv_strcmp(key, "currency") == 0) {
// ICU4C does not have ICU4J CurrencyDisplayInfo equivalent for now.
UErrorCode sts = U_ZERO_ERROR;
UnicodeString ustrValue(value, -1, US_INV);
int32_t len;
const UChar *currencyName = ucurr_getName(ustrValue.getTerminatedBuffer(),
locale.getBaseName(), UCURR_LONG_NAME, nullptr /* isChoiceFormat */, &len, &sts);
if (U_FAILURE(sts)) {
// Return the value as is on failure
result = ustrValue;
return result;
}
result.setTo(currencyName, len);
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageKeyValue, result);
}
if (nameLength == UDISPCTX_LENGTH_SHORT) {
langData.getNoFallback("Types%short", key, value, result);
if (!result.isBogus()) {
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageKeyValue, result);
}
}
if (substitute == UDISPCTX_SUBSTITUTE) {
langData.get("Types", key, value, result);
} else {
langData.getNoFallback("Types", key, value, result);
}
return skipAdjust? result: adjustForUsageAndContext(kCapContextUsageKeyValue, result);
}
UnicodeString&
LocaleDisplayNamesImpl::keyValueDisplayName(const char* key,
const char* value,
UnicodeString& result) const {
return keyValueDisplayName(key, value, result, FALSE);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
LocaleDisplayNames*
LocaleDisplayNames::createInstance(const Locale& locale,
UDialectHandling dialectHandling) {
return new LocaleDisplayNamesImpl(locale, dialectHandling);
}
LocaleDisplayNames*
LocaleDisplayNames::createInstance(const Locale& locale,
UDisplayContext *contexts, int32_t length) {
if (contexts == NULL) {
length = 0;
}
return new LocaleDisplayNamesImpl(locale, contexts, length);
}
U_NAMESPACE_END
////////////////////////////////////////////////////////////////////////////////////////////////////
U_NAMESPACE_USE
U_CAPI ULocaleDisplayNames * U_EXPORT2
uldn_open(const char * locale,
UDialectHandling dialectHandling,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (locale == NULL) {
locale = uloc_getDefault();
}
return (ULocaleDisplayNames *)LocaleDisplayNames::createInstance(Locale(locale), dialectHandling);
}
U_CAPI ULocaleDisplayNames * U_EXPORT2
uldn_openForContext(const char * locale,
UDisplayContext *contexts, int32_t length,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (locale == NULL) {
locale = uloc_getDefault();
}
return (ULocaleDisplayNames *)LocaleDisplayNames::createInstance(Locale(locale), contexts, length);
}
U_CAPI void U_EXPORT2
uldn_close(ULocaleDisplayNames *ldn) {
delete (LocaleDisplayNames *)ldn;
}
U_CAPI const char * U_EXPORT2
uldn_getLocale(const ULocaleDisplayNames *ldn) {
if (ldn) {
return ((const LocaleDisplayNames *)ldn)->getLocale().getName();
}
return NULL;
}
U_CAPI UDialectHandling U_EXPORT2
uldn_getDialectHandling(const ULocaleDisplayNames *ldn) {
if (ldn) {
return ((const LocaleDisplayNames *)ldn)->getDialectHandling();
}
return ULDN_STANDARD_NAMES;
}
U_CAPI UDisplayContext U_EXPORT2
uldn_getContext(const ULocaleDisplayNames *ldn,
UDisplayContextType type,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return (UDisplayContext)0;
}
return ((const LocaleDisplayNames *)ldn)->getContext(type);
}
U_CAPI int32_t U_EXPORT2
uldn_localeDisplayName(const ULocaleDisplayNames *ldn,
const char *locale,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || locale == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->localeDisplayName(locale, temp);
if (temp.isBogus()) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_languageDisplayName(const ULocaleDisplayNames *ldn,
const char *lang,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || lang == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->languageDisplayName(lang, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_scriptDisplayName(const ULocaleDisplayNames *ldn,
const char *script,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || script == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->scriptDisplayName(script, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_scriptCodeDisplayName(const ULocaleDisplayNames *ldn,
UScriptCode scriptCode,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
return uldn_scriptDisplayName(ldn, uscript_getName(scriptCode), result, maxResultSize, pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_regionDisplayName(const ULocaleDisplayNames *ldn,
const char *region,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || region == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->regionDisplayName(region, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_variantDisplayName(const ULocaleDisplayNames *ldn,
const char *variant,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || variant == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->variantDisplayName(variant, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_keyDisplayName(const ULocaleDisplayNames *ldn,
const char *key,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || key == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->keyDisplayName(key, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uldn_keyValueDisplayName(const ULocaleDisplayNames *ldn,
const char *key,
const char *value,
UChar *result,
int32_t maxResultSize,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (ldn == NULL || key == NULL || value == NULL || (result == NULL && maxResultSize > 0)
|| maxResultSize < 0) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString temp(result, 0, maxResultSize);
((const LocaleDisplayNames *)ldn)->keyValueDisplayName(key, value, temp);
return temp.extract(result, maxResultSize, *pErrorCode);
}
#endif