mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-21 03:13:42 +08:00
621 lines
16 KiB
C
621 lines
16 KiB
C
/*********************************************************************
|
|
* Copyright 1993, UCAR/Unidata
|
|
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
|
|
*********************************************************************/
|
|
/* $Id: main.c,v 1.33 2010/05/26 21:43:36 dmh Exp $ */
|
|
/* $Header: /upc/share/CVS/netcdf-3/ncgen/main.c,v 1.33 2010/05/26 21:43:36 dmh Exp $ */
|
|
|
|
#include "includes.h"
|
|
#include "ncoffsets.h"
|
|
#include "ncwinpath.h"
|
|
#ifdef HAVE_GETOPT_H
|
|
#include <getopt.h>
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#include "XGetopt.h"
|
|
#define snprintf _snprintf
|
|
int opterr;
|
|
int optind;
|
|
#endif
|
|
|
|
/* Default is netcdf-3 mode 1 */
|
|
#define DFALTCMODE 0
|
|
|
|
/* For error messages */
|
|
char* progname; /* Global: not reclaimed */
|
|
char* cdlname; /* Global: not reclaimed */
|
|
|
|
/* option flags */
|
|
int nofill_flag;
|
|
char* mainname; /* name to use for main function; defaults to "main"*/
|
|
Language l_flag;
|
|
int syntax_only;
|
|
int header_only;
|
|
|
|
/* flags for tracking what output format to use */
|
|
int k_flag; /* > 0 => -k was specified on command line*/
|
|
int format_attribute; /* 1=>format came from format attribute */
|
|
int enhanced_flag; /* 1 => netcdf-4 */
|
|
int cdf5_flag; /* 1 => cdf5 | maybe netcdf-4 */
|
|
int specials_flag; /* 1=> special attributes are present */
|
|
int usingclassic;
|
|
int cmode_modifier;
|
|
int diskless;
|
|
int ncloglevel;
|
|
|
|
GlobalSpecialData globalspecials;
|
|
|
|
char* binary_ext = ".nc";
|
|
|
|
size_t nciterbuffersize;
|
|
|
|
struct Vlendata* vlendata;
|
|
|
|
char *netcdf_name; /* command line -o file name */
|
|
char *datasetname; /* name from the netcdf <name> {} || from -N */
|
|
|
|
extern FILE *ncgin;
|
|
|
|
/* Forward */
|
|
static char* ubasename(char*);
|
|
void usage( void );
|
|
|
|
int main( int argc, char** argv );
|
|
|
|
/* Define tables vs modes for legal -k values*/
|
|
struct Kvalues legalkinds[] = {
|
|
/* NetCDF-3 classic format (32-bit offsets) */
|
|
{"classic", NC_FORMAT_CLASSIC}, /* canonical format name */
|
|
{"nc3", NC_FORMAT_CLASSIC}, /* short format name */
|
|
{"1", NC_FORMAT_CLASSIC}, /* deprecated, use "-3" or "-k nc3" instead */
|
|
|
|
/* NetCDF-3 64-bit offset format */
|
|
{"64-bit offset", NC_FORMAT_64BIT_OFFSET}, /* canonical format name */
|
|
{"nc6", NC_FORMAT_64BIT_OFFSET}, /* short format name */
|
|
{"2", NC_FORMAT_64BIT_OFFSET}, /* deprecated, use "-6" or "-k nc6" instead */
|
|
{"64-bit-offset", NC_FORMAT_64BIT_OFFSET}, /* aliases */
|
|
|
|
/* NetCDF-4 HDF5-based format */
|
|
{"netCDF-4", NC_FORMAT_NETCDF4}, /* canonical format name */
|
|
{"nc4", NC_FORMAT_NETCDF4}, /* short format name */
|
|
{"3", NC_FORMAT_NETCDF4}, /* deprecated, use "-4" or "-k nc4" instead */
|
|
{"netCDF4", NC_FORMAT_NETCDF4}, /* aliases */
|
|
{"hdf5", NC_FORMAT_NETCDF4},
|
|
{"enhanced", NC_FORMAT_NETCDF4},
|
|
{"netcdf-4", NC_FORMAT_NETCDF4},
|
|
{"netcdf4", NC_FORMAT_NETCDF4},
|
|
|
|
/* NetCDF-4 HDF5-based format, restricted to classic data model */
|
|
{"netCDF-4 classic model", NC_FORMAT_NETCDF4_CLASSIC}, /* canonical format name */
|
|
{"nc7", NC_FORMAT_NETCDF4_CLASSIC}, /* short format name */
|
|
{"4", NC_FORMAT_NETCDF4_CLASSIC}, /* deprecated, use "-7" or -k nc7" instead */
|
|
{"netCDF-4-classic", NC_FORMAT_NETCDF4_CLASSIC}, /* aliases */
|
|
{"netCDF-4_classic", NC_FORMAT_NETCDF4_CLASSIC},
|
|
{"netCDF4_classic", NC_FORMAT_NETCDF4_CLASSIC},
|
|
{"hdf5-nc3", NC_FORMAT_NETCDF4_CLASSIC},
|
|
{"enhanced-nc3", NC_FORMAT_NETCDF4_CLASSIC},
|
|
|
|
/* CDF-5 format */
|
|
{"5", NC_FORMAT_64BIT_DATA},
|
|
{"64-bit-data", NC_FORMAT_64BIT_DATA},
|
|
{"64-bit data", NC_FORMAT_64BIT_DATA},
|
|
{"nc5", NC_FORMAT_64BIT_DATA},
|
|
{"cdf5", NC_FORMAT_64BIT_DATA},
|
|
{"cdf-5", NC_FORMAT_64BIT_DATA},
|
|
|
|
/* null terminate*/
|
|
{NULL,0}
|
|
};
|
|
|
|
#ifndef _MSC_VER
|
|
struct Languages {
|
|
char* name;
|
|
Language flag;
|
|
} legallanguages[] = {
|
|
{"b", L_BINARY},
|
|
{"c", L_C},
|
|
{"C", L_C},
|
|
{"f77", L_F77},
|
|
{"fortran77", L_F77},
|
|
{"Fortran77", L_F77},
|
|
{"j", L_JAVA},
|
|
{"java", L_JAVA},
|
|
{NULL,L_UNDEFINED}
|
|
};
|
|
#else
|
|
typedef struct Languages {
|
|
char* name;
|
|
Language flag;
|
|
} Languages;
|
|
|
|
struct Languages legallanguages[] = {
|
|
{"b", L_BINARY},
|
|
{"c", L_C},
|
|
{"C", L_C},
|
|
{"f77", L_F77},
|
|
{"fortran77", L_F77},
|
|
{"Fortran77", L_F77},
|
|
{"j", L_JAVA},
|
|
{"java", L_JAVA},
|
|
{NULL,L_UNDEFINED}
|
|
};
|
|
#endif
|
|
|
|
#if 0 /*not used*/
|
|
/* BOM Sequences */
|
|
static char* U8 = "\xEF\xBB\xBF"; /* UTF-8 */
|
|
static char* BE32 = "\x00\x00\xFE\xFF"; /* UTF-32; big-endian */
|
|
static char* LE32 = "\xFF\xFE"; /* UTF-32; little-endian */
|
|
static char* BE16 = "\xFE\xFF"; /* UTF-16; big-endian */
|
|
static char* LE16 = "\xFF\xFE"; /* UTF-16; little-endian */
|
|
#endif
|
|
|
|
/* The default minimum iterator size depends
|
|
on whether we are doing binary or language
|
|
based output.
|
|
*/
|
|
#define DFALTBINNCITERBUFFERSIZE 0x40000 /* about 250k bytes */
|
|
#define DFALTLANGNCITERBUFFERSIZE 0x4000 /* about 15k bytes */
|
|
|
|
void *emalloc (size_t size) { /* check return from malloc */
|
|
void *p;
|
|
|
|
if (size == 0)
|
|
return 0;
|
|
p = (void *) malloc (size);
|
|
if (p == 0) {
|
|
exit(NC_ENOMEM);
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
/* strip off leading path */
|
|
/* result is malloc'd */
|
|
|
|
static char *
|
|
ubasename(char *logident)
|
|
{
|
|
char* sep;
|
|
|
|
sep = strrchr(logident,'/');
|
|
#ifdef MSDOS
|
|
if(sep == NULL) sep = strrchr(logident,'\\');
|
|
#endif
|
|
if(sep == NULL) return logident;
|
|
sep++; /* skip past the separator */
|
|
return sep;
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
derror("Usage: %s"
|
|
" [-1]"
|
|
" [-3]"
|
|
" [-4]"
|
|
" [-5]"
|
|
" [-6]"
|
|
" [-7]"
|
|
" [-b]"
|
|
" [-B buffersize]"
|
|
" [-d]"
|
|
" [-D debuglevel]"
|
|
" [-h]"
|
|
" [-k kind ]"
|
|
" [-l language=b|c|f77|java]"
|
|
" [-M <name>]"
|
|
" [-n]"
|
|
" [-o outfile]"
|
|
" [-P]"
|
|
" [-x]"
|
|
" [-N datasetname]"
|
|
" [-L loglevel]"
|
|
" [file ... ]",
|
|
progname);
|
|
derror("netcdf library version %s", nc_inq_libvers());
|
|
}
|
|
|
|
int
|
|
main(
|
|
int argc,
|
|
char *argv[])
|
|
{
|
|
int code = 0;
|
|
int c;
|
|
FILE *fp;
|
|
struct Languages* langs;
|
|
#ifdef __hpux
|
|
setlocale(LC_CTYPE,"");
|
|
#endif
|
|
|
|
init_netcdf();
|
|
|
|
opterr = 1; /* print error message if bad option */
|
|
progname = nulldup(ubasename(argv[0]));
|
|
cdlname = NULL;
|
|
netcdf_name = NULL;
|
|
datasetname = NULL;
|
|
l_flag = 0;
|
|
nofill_flag = 0;
|
|
syntax_only = 0;
|
|
header_only = 0;
|
|
mainname = "main";
|
|
nciterbuffersize = 0;
|
|
|
|
k_flag = 0;
|
|
format_attribute = 0;
|
|
enhanced_flag = 0;
|
|
cdf5_flag = 0;
|
|
specials_flag = 0;
|
|
diskless = 0;
|
|
#ifdef LOGGING
|
|
ncloglevel = NC_TURN_OFF_LOGGING;
|
|
#else
|
|
ncloglevel = -1;
|
|
#endif
|
|
memset(&globalspecials,0,sizeof(GlobalSpecialData));
|
|
|
|
#if _CRAYMPP && 0
|
|
/* initialize CRAY MPP parallel-I/O library */
|
|
(void) par_io_init(32, 32);
|
|
#endif
|
|
|
|
while ((c = getopt(argc, argv, "134567bB:cdD:fhHk:l:M:no:Pv:xL:N:")) != EOF)
|
|
switch(c) {
|
|
case 'd':
|
|
debug = 1;
|
|
break;
|
|
case 'D':
|
|
debug = atoi(optarg);
|
|
break;
|
|
case 'c': /* for c output, old version of "-lc" */
|
|
if(l_flag != 0) {
|
|
fprintf(stderr,"Please specify only one language\n");
|
|
return 1;
|
|
}
|
|
l_flag = L_C;
|
|
fprintf(stderr,"-c is deprecated: please use -lc\n");
|
|
break;
|
|
case 'f': /* for f77 output, old version of "-lf" */
|
|
if(l_flag != 0) {
|
|
fprintf(stderr,"Please specify only one language\n");
|
|
return 1;
|
|
}
|
|
l_flag = L_F77;
|
|
fprintf(stderr,"-f is deprecated: please use -lf77\n");
|
|
break;
|
|
case 'b': /* for binary netcdf output, ".nc" extension */
|
|
if(l_flag != 0) {
|
|
fprintf(stderr,"Please specify only one language\n");
|
|
return 1;
|
|
}
|
|
l_flag = L_BINARY;
|
|
break;
|
|
case 'h':
|
|
header_only = 1;
|
|
break;
|
|
case 'H':
|
|
usage();
|
|
goto done;
|
|
case 'l': /* specify language, instead of using -c or -f or -b */
|
|
{
|
|
char* lang_name = NULL;
|
|
if(l_flag != 0) {
|
|
fprintf(stderr,"Please specify only one language\n");
|
|
return 1;
|
|
}
|
|
if(!optarg) {
|
|
derror("%s: output language is null", progname);
|
|
return(1);
|
|
}
|
|
//lang_name = estrdup(optarg);
|
|
lang_name = (char*) emalloc(strlen(optarg)+1);
|
|
(void)strcpy(lang_name, optarg);
|
|
|
|
for(langs=legallanguages;langs->name != NULL;langs++) {
|
|
if(strcmp(lang_name,langs->name)==0) {
|
|
l_flag = langs->flag;
|
|
break;
|
|
}
|
|
}
|
|
if(langs->name == NULL) {
|
|
derror("%s: output language %s not implemented",progname, lang_name);
|
|
nullfree(lang_name);
|
|
return(1);
|
|
}
|
|
nullfree(lang_name);
|
|
}; break;
|
|
case 'L':
|
|
ncloglevel = atoi(optarg);
|
|
break;
|
|
case 'n': /* old version of -b, uses ".cdf" extension */
|
|
if(l_flag != 0) {
|
|
fprintf(stderr,"Please specify only one language\n");
|
|
return 1;
|
|
}
|
|
l_flag = L_BINARY;
|
|
binary_ext = ".cdf";
|
|
break;
|
|
case 'o': /* to explicitly specify output name */
|
|
netcdf_name = nulldup(optarg);
|
|
break;
|
|
case 'N': /* to explicitly specify dataset name */
|
|
datasetname = nulldup(optarg);
|
|
break;
|
|
case 'x': /* set nofill mode to speed up creation of large files */
|
|
nofill_flag = 1;
|
|
break;
|
|
case 'v': /* a deprecated alias for "kind" option */
|
|
/*FALLTHRU*/
|
|
case 'k': { /* for specifying variant of netCDF format to be generated
|
|
Possible values are:
|
|
Format names:
|
|
"classic" or "nc3"
|
|
"64-bit offset" or "nc6"
|
|
"64-bit data" or "nc5" or "cdf-5"
|
|
"netCDF-4" or "nc4"
|
|
"netCDF-4 classic model" or "nc7"
|
|
"netCDF-5" or "nc5" or "cdf5"
|
|
Format version numbers (deprecated):
|
|
1 (=> classic)
|
|
2 (=> 64-bit offset)
|
|
3 (=> netCDF-4)
|
|
4 (=> netCDF-4 classic model)
|
|
5 (=> classic 64 bit data aka CDF-5)
|
|
*/
|
|
struct Kvalues* kvalue;
|
|
if(optarg == NULL) {
|
|
derror("-k flag has no value");
|
|
return 2;
|
|
}
|
|
for(kvalue=legalkinds;kvalue->name;kvalue++) {
|
|
if(strcmp(optarg,kvalue->name) == 0) {
|
|
k_flag = kvalue->k_flag;
|
|
break;
|
|
}
|
|
}
|
|
if(kvalue->name == NULL) {
|
|
derror("Invalid format: %s",optarg);
|
|
return 2;
|
|
}
|
|
} break;
|
|
case '3': /* output format is classic (netCDF-3) */
|
|
k_flag = NC_FORMAT_CLASSIC;
|
|
break;
|
|
case '6': /* output format is 64-bit-offset (netCDF-3 version 2) */
|
|
k_flag = NC_FORMAT_64BIT_OFFSET;
|
|
break;
|
|
case '4': /* output format is netCDF-4 (variant of HDF5) */
|
|
k_flag = NC_FORMAT_NETCDF4;
|
|
break;
|
|
case '5': /* output format is CDF5 */
|
|
k_flag = NC_FORMAT_CDF5;
|
|
break;
|
|
case '7': /* output format is netCDF-4 (restricted to classic model)*/
|
|
k_flag = NC_FORMAT_NETCDF4_CLASSIC;
|
|
break;
|
|
case 'M': /* Determine the name for the main function */
|
|
mainname = nulldup(optarg);
|
|
break;
|
|
case 'B':
|
|
nciterbuffersize = atoi(optarg);
|
|
break;
|
|
case 'P': /* diskless with persistence */
|
|
diskless = 1;
|
|
break;
|
|
case '?':
|
|
usage();
|
|
return(8);
|
|
}
|
|
|
|
if(l_flag == 0) {
|
|
l_flag = L_BINARY; /* default */
|
|
/* Treat -k or -o as an implicit -lb assuming no other -l flags */
|
|
if(k_flag == 0 && netcdf_name == NULL)
|
|
syntax_only = 1;
|
|
}
|
|
|
|
/* Compute/default the iterator buffer size */
|
|
if(l_flag == L_BINARY) {
|
|
if(nciterbuffersize == 0 )
|
|
nciterbuffersize = DFALTBINNCITERBUFFERSIZE;
|
|
} else {
|
|
if(nciterbuffersize == 0)
|
|
nciterbuffersize = DFALTLANGNCITERBUFFERSIZE;
|
|
}
|
|
|
|
#ifndef ENABLE_C
|
|
if(c_flag) {
|
|
fprintf(stderr,"C not currently supported\n");
|
|
code=1; goto done;
|
|
}
|
|
#endif
|
|
#ifndef ENABLE_BINARY
|
|
if(l_flag == L_BINARY) {
|
|
fprintf(stderr,"Binary netcdf not currently supported\n");
|
|
code=1; goto done;
|
|
}
|
|
#endif
|
|
#ifndef ENABLE_JAVA
|
|
if(l_flag == L_JAVA) {
|
|
fprintf(stderr,"Java not currently supported\n");
|
|
code=1; goto done;
|
|
}
|
|
#else
|
|
if(l_flag == L_JAVA && mainname != NULL && strcmp(mainname,"main")==0)
|
|
mainname = "Main";
|
|
#endif
|
|
#ifndef ENABLE_F77
|
|
if(l_flag == L_F77) {
|
|
fprintf(stderr,"F77 not currently supported\n");
|
|
code=1; goto done;
|
|
}
|
|
#endif
|
|
|
|
if(l_flag != L_BINARY)
|
|
diskless = 0;
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 1) {
|
|
derror ("%s: only one input file argument permitted",progname);
|
|
return(6);
|
|
}
|
|
|
|
fp = stdin;
|
|
if (argc > 0 && strcmp(argv[0], "-") != 0) {
|
|
char bom[4];
|
|
size_t count;
|
|
if ((fp = NCfopen(argv[0], "r")) == NULL) {
|
|
derror ("can't open file %s for reading: ", argv[0]);
|
|
perror("");
|
|
return(7);
|
|
}
|
|
/* Check the leading bytes for an occurrence of a BOM */
|
|
/* re: http://www.unicode.org/faq/utf_bom.html#BOM */
|
|
/* Attempt to read the first four bytes */
|
|
memset(bom,0,sizeof(bom));
|
|
count = fread(bom,1,2,fp);
|
|
if(count == 2) {
|
|
switch (bom[0]) {
|
|
case '\x00':
|
|
case '\xFF':
|
|
case '\xFE':
|
|
/* Only UTF-* is allowed; complain and exit */
|
|
fprintf(stderr,"Input file contains a BOM indicating a non-UTF8 encoding\n");
|
|
return 1;
|
|
case '\xEF':
|
|
/* skip the BOM */
|
|
(void)fread(bom,1,1,fp);
|
|
break;
|
|
default: /* legal printable char, presumably; rewind */
|
|
rewind(fp);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
cdlname = nulldup(argv[0]);
|
|
if(cdlname != NULL) {
|
|
if(strlen(cdlname) > NC_MAX_NAME)
|
|
cdlname[NC_MAX_NAME] = '\0';
|
|
}
|
|
|
|
parse_init();
|
|
ncgin = fp;
|
|
if(debug >= 2) {ncgdebug=1;}
|
|
if(ncgparse() != 0)
|
|
return 1;
|
|
|
|
/* Compute the k_flag (1st pass) using rules in the man page (ncgen.1).*/
|
|
|
|
#ifndef USE_CDF5
|
|
if(k_flag == NC_FORMAT_CDF5) {
|
|
derror("Output format CDF5 requested, but netcdf was built without cdf5 support.");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifndef USE_NETCDF4
|
|
if(enhanced_flag) {
|
|
derror("CDL input is enhanced mode, but --disable-netcdf4 was specified during build");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
if(l_flag == L_JAVA || l_flag == L_F77) {
|
|
k_flag = NC_FORMAT_CLASSIC;
|
|
if(enhanced_flag) {
|
|
derror("Java or Fortran requires classic model CDL input");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if(k_flag == 0)
|
|
k_flag = globalspecials._Format;
|
|
|
|
if(cdf5_flag && !enhanced_flag && k_flag == 0)
|
|
k_flag = NC_FORMAT_64BIT_DATA;
|
|
if(enhanced_flag && k_flag == 0)
|
|
k_flag = NC_FORMAT_NETCDF4;
|
|
|
|
if(enhanced_flag && k_flag != NC_FORMAT_NETCDF4) {
|
|
if(enhanced_flag && k_flag != NC_FORMAT_NETCDF4 && k_flag != NC_FORMAT_64BIT_DATA) {
|
|
derror("-k or _Format conflicts with enhanced CDL input");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if(specials_flag > 0 && k_flag == 0)
|
|
#ifdef USE_NETCDF4
|
|
k_flag = NC_FORMAT_NETCDF4;
|
|
#else
|
|
k_flag = NC_FORMAT_CLASSIC;
|
|
#endif
|
|
|
|
if(k_flag == 0)
|
|
k_flag = NC_FORMAT_CLASSIC;
|
|
|
|
/* Figure out usingclassic */
|
|
switch (k_flag) {
|
|
case NC_FORMAT_64BIT_DATA:
|
|
case NC_FORMAT_CLASSIC:
|
|
case NC_FORMAT_64BIT_OFFSET:
|
|
case NC_FORMAT_NETCDF4_CLASSIC:
|
|
usingclassic = 1;
|
|
break;
|
|
case NC_FORMAT_NETCDF4:
|
|
default:
|
|
usingclassic = 0;
|
|
break;
|
|
}
|
|
|
|
/* compute cmode_modifier */
|
|
switch (k_flag) {
|
|
case NC_FORMAT_CLASSIC:
|
|
cmode_modifier = 0; break;
|
|
case NC_FORMAT_64BIT_OFFSET:
|
|
cmode_modifier = NC_64BIT_OFFSET; break;
|
|
case NC_FORMAT_NETCDF4:
|
|
cmode_modifier = NC_NETCDF4; break;
|
|
case NC_FORMAT_NETCDF4_CLASSIC:
|
|
cmode_modifier = NC_NETCDF4 | NC_CLASSIC_MODEL; break;
|
|
case NC_FORMAT_64BIT_DATA:
|
|
cmode_modifier = NC_CDF5; break;
|
|
default: ASSERT(0); /* cannot happen */
|
|
}
|
|
|
|
if(diskless)
|
|
cmode_modifier |= (NC_DISKLESS|NC_NOCLOBBER);
|
|
|
|
processsemantics();
|
|
if(!syntax_only && error_count == 0)
|
|
define_netcdf();
|
|
|
|
done:
|
|
finalize_netcdf(code);
|
|
return code;
|
|
}
|
|
|
|
void
|
|
init_netcdf(void) /* initialize global counts, flags */
|
|
{
|
|
memset((void*)&nullconstant,0,sizeof(NCConstant));
|
|
fillconstant = nullconstant;
|
|
fillconstant.nctype = NC_FILLVALUE;
|
|
|
|
codebuffer = bbNew();
|
|
stmt = bbNew();
|
|
error_count = 0; /* Track # of errors */
|
|
}
|
|
|
|
void
|
|
finalize_netcdf(int retcode)
|
|
{
|
|
nc_finalize();
|
|
exit(retcode);
|
|
}
|