Check in the pristine copy of ICU 4.6...

icu46/source/tools/gensprep/gensprep.c

+/*
+*******************************************************************************
+*
+*   Copyright (C) 2003-2009, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  gensprep.c
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2003-02-06
+*   created by: Ram Viswanadha
+*
+*   This program reads the Profile.txt files,
+*   parses them, and extracts the data for StringPrep profile.
+*   It then preprocesses it and writes a binary file for efficient use
+*   in various StringPrep conversion processes.
+*/
+
+#define USPREP_TYPE_NAMES_ARRAY 1
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cmemory.h"
+#include "cstring.h"
+#include "unewdata.h"
+#include "uoptions.h"
+#include "uparse.h"
+#include "sprpimpl.h"
+
+#include "unicode/udata.h"
+#include "unicode/utypes.h"
+#include "unicode/putil.h"
+
+
+U_CDECL_BEGIN
+#include "gensprep.h"
+U_CDECL_END
+
+UBool beVerbose=FALSE, haveCopyright=TRUE;
+
+#define NORM_CORRECTIONS_FILE_NAME "NormalizationCorrections.txt"
+
+#define NORMALIZE_DIRECTIVE "normalize"
+#define NORMALIZE_DIRECTIVE_LEN 9
+#define CHECK_BIDI_DIRECTIVE "check-bidi"
+#define CHECK_BIDI_DIRECTIVE_LEN 10
+
+/* prototypes --------------------------------------------------------------- */
+
+static void
+parseMappings(const char *filename, UBool reportError, UErrorCode *pErrorCode);
+
+static void
+parseNormalizationCorrections(const char *filename, UErrorCode *pErrorCode);
+
+
+/* -------------------------------------------------------------------------- */
+
+static UOption options[]={
+    UOPTION_HELP_H,
+    UOPTION_HELP_QUESTION_MARK,
+    UOPTION_VERBOSE,
+    UOPTION_COPYRIGHT,
+    UOPTION_DESTDIR,
+    UOPTION_SOURCEDIR,
+    UOPTION_ICUDATADIR,
+    UOPTION_BUNDLE_NAME,
+    { "normalization", NULL, NULL, NULL, 'n', UOPT_REQUIRES_ARG, 0 },
+    { "norm-correction", NULL, NULL, NULL, 'm', UOPT_REQUIRES_ARG, 0 },
+    { "check-bidi", NULL, NULL, NULL,  'k', UOPT_NO_ARG, 0},
+    { "unicode", NULL, NULL, NULL, 'u', UOPT_REQUIRES_ARG, 0 },
+};
+
+enum{
+    HELP,
+    HELP_QUESTION_MARK,
+    VERBOSE,
+    COPYRIGHT,
+    DESTDIR,
+    SOURCEDIR,
+    ICUDATADIR,
+    BUNDLE_NAME,
+    NORMALIZE,
+    NORM_CORRECTION_DIR,
+    CHECK_BIDI,
+    UNICODE_VERSION
+};
+
+static int printHelp(int argc, char* argv[]){
+    /*
+     * Broken into chucks because the C89 standard says the minimum
+     * required supported string length is 509 bytes.
+     */
+    fprintf(stderr,
+        "Usage: %s [-options] [file_name]\n"
+        "\n"
+        "Read the files specified and\n"
+        "create a binary file [package-name]_[bundle-name]." DATA_TYPE " with the StringPrep profile data\n"
+        "\n",
+        argv[0]);
+    fprintf(stderr,
+        "Options:\n"
+        "\t-h or -? or --help       print this usage text\n"
+        "\t-v or --verbose          verbose output\n"
+        "\t-c or --copyright        include a copyright notice\n");
+    fprintf(stderr,
+        "\t-d or --destdir          destination directory, followed by the path\n"
+        "\t-s or --sourcedir        source directory of ICU data, followed by the path\n"
+        "\t-b or --bundle-name      generate the ouput data file with the name specified\n"
+        "\t-i or --icudatadir       directory for locating any needed intermediate data files,\n"
+        "\t                         followed by path, defaults to %s\n",
+        u_getDataDirectory());
+    fprintf(stderr,
+        "\t-n or --normalize        turn on the option for normalization and include mappings\n"
+        "\t                         from NormalizationCorrections.txt from the given path,\n"
+        "\t                         e.g: /test/icu/source/data/unidata\n");
+    fprintf(stderr,
+        "\t-m or --norm-correction  use NormalizationCorrections.txt from the given path\n"
+        "\t                         when the input file contains a normalization directive.\n"
+        "\t                         unlike -n/--normalize, this option does not force the\n"
+        "\t                         normalization.\n");
+    fprintf(stderr,
+        "\t-k or --check-bidi       turn on the option for checking for BiDi in the profile\n"
+        "\t-u or --unicode          version of Unicode to be used with this profile followed by the version\n"
+        );
+    return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
+}
+
+
+extern int
+main(int argc, char* argv[]) {
+#if !UCONFIG_NO_IDNA
+    char* filename = NULL;
+#endif
+    const char *srcDir=NULL, *destDir=NULL, *icuUniDataDir=NULL;
+    const char *bundleName=NULL, *inputFileName = NULL;
+    char *basename=NULL;
+    int32_t sprepOptions = 0;
+
+    UErrorCode errorCode=U_ZERO_ERROR;
+
+    U_MAIN_INIT_ARGS(argc, argv);
+
+    /* preset then read command line options */
+    options[DESTDIR].value=u_getDataDirectory();
+    options[SOURCEDIR].value="";
+    options[UNICODE_VERSION].value="0"; /* don't assume the unicode version */
+    options[BUNDLE_NAME].value = DATA_NAME;
+    options[NORMALIZE].value = "";
+
+    argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
+
+    /* error handling, printing usage message */
+    if(argc<0) {
+        fprintf(stderr,
+            "error in command line argument \"%s\"\n",
+            argv[-argc]);
+    }
+    if(argc<0 || options[HELP].doesOccur || options[HELP_QUESTION_MARK].doesOccur) {
+        return printHelp(argc, argv);
+        
+    }
+
+    /* get the options values */
+    beVerbose=options[VERBOSE].doesOccur;
+    haveCopyright=options[COPYRIGHT].doesOccur;
+    srcDir=options[SOURCEDIR].value;
+    destDir=options[DESTDIR].value;
+    bundleName = options[BUNDLE_NAME].value;
+    if(options[NORMALIZE].doesOccur) {
+        icuUniDataDir = options[NORMALIZE].value;
+    } else {
+        icuUniDataDir = options[NORM_CORRECTION_DIR].value;
+    }
+
+    if(argc<2) {
+        /* print the help message */
+        return printHelp(argc, argv);
+    } else {
+        inputFileName = argv[1];
+    }
+    if(!options[UNICODE_VERSION].doesOccur){
+        return printHelp(argc, argv);
+    }
+    if(options[ICUDATADIR].doesOccur) {
+        u_setDataDirectory(options[ICUDATADIR].value);
+    }
+#if UCONFIG_NO_IDNA
+
+    fprintf(stderr,
+        "gensprep writes dummy " U_ICUDATA_NAME "_" DATA_NAME "." DATA_TYPE
+        " because UCONFIG_NO_IDNA is set, \n"
+        "see icu/source/common/unicode/uconfig.h\n");
+    generateData(destDir, bundleName);
+
+#else
+
+    setUnicodeVersion(options[UNICODE_VERSION].value);
+    filename = (char* ) uprv_malloc(uprv_strlen(srcDir) + 300); /* hopefully this should be enough */
+   
+    /* prepare the filename beginning with the source dir */
+    if(uprv_strchr(srcDir,U_FILE_SEP_CHAR) == NULL && uprv_strchr(srcDir,U_FILE_ALT_SEP_CHAR) == NULL){
+        filename[0] = '.';
+        filename[1] = U_FILE_SEP_CHAR;
+        uprv_strcpy(filename+2,srcDir);
+    }else{
+        uprv_strcpy(filename, srcDir);
+    }
+    
+    basename=filename+uprv_strlen(filename);
+    if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
+        *basename++=U_FILE_SEP_CHAR;
+    }
+    
+    /* initialize */
+    init();
+
+    /* process the file */
+    uprv_strcpy(basename,inputFileName);
+    parseMappings(filename,FALSE, &errorCode);
+    if(U_FAILURE(errorCode)) {
+        fprintf(stderr, "Could not open file %s for reading. Error: %s \n", filename, u_errorName(errorCode));
+        return errorCode;
+    }
+    
+    if(options[NORMALIZE].doesOccur){ /* this option might be set by @normalize;; in the source file */
+        /* set up directory for NormalizationCorrections.txt */
+        uprv_strcpy(filename,icuUniDataDir);
+        basename=filename+uprv_strlen(filename);
+        if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
+            *basename++=U_FILE_SEP_CHAR;
+        }
+
+        *basename++=U_FILE_SEP_CHAR;
+        uprv_strcpy(basename,NORM_CORRECTIONS_FILE_NAME);
+    
+        parseNormalizationCorrections(filename,&errorCode);
+        if(U_FAILURE(errorCode)){
+            fprintf(stderr,"Could not open file %s for reading \n", filename);
+            return errorCode;
+        }
+        sprepOptions |= _SPREP_NORMALIZATION_ON;
+    }
+    
+    if(options[CHECK_BIDI].doesOccur){ /* this option might be set by @check-bidi;; in the source file */
+        sprepOptions |= _SPREP_CHECK_BIDI_ON;
+    }
+
+    setOptions(sprepOptions);
+
+    /* process parsed data */
+    if(U_SUCCESS(errorCode)) {
+        /* write the data file */
+        generateData(destDir, bundleName);
+
+        cleanUpData();
+    }
+
+    uprv_free(filename);
+
+#endif
+
+    return errorCode;
+}
+
+#if !UCONFIG_NO_IDNA
+
+static void U_CALLCONV
+normalizationCorrectionsLineFn(void *context,
+                    char *fields[][2], int32_t fieldCount,
+                    UErrorCode *pErrorCode) {
+    uint32_t mapping[40];
+    char *end, *s;
+    uint32_t code;
+    int32_t length;
+    UVersionInfo version;
+    UVersionInfo thisVersion;
+
+    /* get the character code, field 0 */
+    code=(uint32_t)uprv_strtoul(fields[0][0], &end, 16);
+    if(U_FAILURE(*pErrorCode)) {
+        fprintf(stderr, "gensprep: error parsing NormalizationCorrections.txt mapping at %s\n", fields[0][0]);
+        exit(*pErrorCode);
+    }
+    /* Original (erroneous) decomposition */
+    s = fields[1][0];
+
+    /* parse the mapping string */
+    length=u_parseCodePoints(s, mapping, sizeof(mapping)/4, pErrorCode);
+
+    /* ignore corrected decomposition */
+
+    u_versionFromString(version,fields[3][0] );
+    u_versionFromString(thisVersion, "3.2.0");
+
+
+
+    if(U_FAILURE(*pErrorCode)) {
+        fprintf(stderr, "gensprep error parsing NormalizationCorrections.txt of U+%04lx - %s\n",
+                (long)code, u_errorName(*pErrorCode));
+        exit(*pErrorCode);
+    }
+
+    /* store the mapping */
+    if( version[0] > thisVersion[0] || 
+        ((version[0]==thisVersion[0]) && (version[1] > thisVersion[1]))
+        ){
+        storeMapping(code,mapping, length, USPREP_MAP, pErrorCode);
+    }
+    setUnicodeVersionNC(version);
+}
+
+static void
+parseNormalizationCorrections(const char *filename, UErrorCode *pErrorCode) {
+    char *fields[4][2];
+
+    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
+        return;
+    }
+
+    u_parseDelimitedFile(filename, ';', fields, 4, normalizationCorrectionsLineFn, NULL, pErrorCode);
+
+    /* fprintf(stdout,"Number of code points that have NormalizationCorrections mapping with length >1 : %i\n",len); */
+
+    if(U_FAILURE(*pErrorCode) && ( *pErrorCode!=U_FILE_ACCESS_ERROR)) {
+        fprintf(stderr, "gensprep error: u_parseDelimitedFile(\"%s\") failed - %s\n", filename, u_errorName(*pErrorCode));
+        exit(*pErrorCode);
+    }
+}
+
+static void U_CALLCONV
+strprepProfileLineFn(void *context,
+              char *fields[][2], int32_t fieldCount,
+              UErrorCode *pErrorCode) {
+    uint32_t mapping[40];
+    char *end, *map;
+    uint32_t code;
+    int32_t length;
+   /*UBool* mapWithNorm = (UBool*) context;*/
+    const char* typeName;
+    uint32_t rangeStart=0,rangeEnd =0;
+    const char* filename = (const char*) context;
+    const char *s;
+
+    s = u_skipWhitespace(fields[0][0]);
+    if (*s == '@') {
+        /* special directive */
+        s++;
+        length = fields[0][1] - s;
+        if (length >= NORMALIZE_DIRECTIVE_LEN
+            && uprv_strncmp(s, NORMALIZE_DIRECTIVE, NORMALIZE_DIRECTIVE_LEN) == 0) {
+            options[NORMALIZE].doesOccur = TRUE;
+            return;
+        }
+        else if (length >= CHECK_BIDI_DIRECTIVE_LEN
+            && uprv_strncmp(s, CHECK_BIDI_DIRECTIVE, CHECK_BIDI_DIRECTIVE_LEN) == 0) {
+            options[CHECK_BIDI].doesOccur = TRUE;
+            return;
+        }
+        else {
+            fprintf(stderr, "gensprep error parsing a directive %s.", fields[0][0]);
+        }
+    }
+
+    typeName = fields[2][0];
+    map = fields[1][0];
+
+    if(uprv_strstr(typeName, usprepTypeNames[USPREP_UNASSIGNED])!=NULL){
+
+        u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
+        if(U_FAILURE(*pErrorCode)){
+            fprintf(stderr, "Could not parse code point range. Error: %s\n",u_errorName(*pErrorCode));
+            return;
+        }
+
+        /* store the range */
+        storeRange(rangeStart,rangeEnd,USPREP_UNASSIGNED, pErrorCode);
+
+    }else if(uprv_strstr(typeName, usprepTypeNames[USPREP_PROHIBITED])!=NULL){
+
+        u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
+        if(U_FAILURE(*pErrorCode)){
+            fprintf(stderr, "Could not parse code point range. Error: %s\n",u_errorName(*pErrorCode));
+            return;
+        }
+
+        /* store the range */
+        storeRange(rangeStart,rangeEnd,USPREP_PROHIBITED, pErrorCode);
+
+    }else if(uprv_strstr(typeName, usprepTypeNames[USPREP_MAP])!=NULL){
+
+        /* get the character code, field 0 */
+        code=(uint32_t)uprv_strtoul(s, &end, 16);
+        if(end<=s || end!=fields[0][1]) {
+            fprintf(stderr, "gensprep: syntax error in field 0 at %s\n", fields[0][0]);
+            *pErrorCode=U_PARSE_ERROR;
+            exit(U_PARSE_ERROR);
+        }
+
+        /* parse the mapping string */
+        length=u_parseCodePoints(map, mapping, sizeof(mapping)/4, pErrorCode);
+        
+        /* store the mapping */
+        storeMapping(code,mapping, length,USPREP_MAP, pErrorCode);
+
+    }else{
+        *pErrorCode = U_INVALID_FORMAT_ERROR;
+    }
+    
+    if(U_FAILURE(*pErrorCode)) {
+        fprintf(stderr, "gensprep error parsing  %s line %s at %s. Error: %s\n",filename,
+               fields[0][0],fields[2][0],u_errorName(*pErrorCode));
+        exit(*pErrorCode);
+    }
+
+}
+
+static void
+parseMappings(const char *filename, UBool reportError, UErrorCode *pErrorCode) {
+    char *fields[3][2];
+
+    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
+        return;
+    }
+
+    u_parseDelimitedFile(filename, ';', fields, 3, strprepProfileLineFn, (void*)filename, pErrorCode);
+
+    /*fprintf(stdout,"Number of code points that have mappings with length >1 : %i\n",len);*/
+
+    if(U_FAILURE(*pErrorCode) && (reportError || *pErrorCode!=U_FILE_ACCESS_ERROR)) {
+        fprintf(stderr, "gensprep error: u_parseDelimitedFile(\"%s\") failed - %s\n", filename, u_errorName(*pErrorCode));
+        exit(*pErrorCode);
+    }
+}
+
+
+#endif /* #if !UCONFIG_NO_IDNA */
+
+/*
+ * Hey, Emacs, please set the following:
+ *
+ * Local Variables:
+ * indent-tabs-mode: nil
+ * End:
+ *
+ */