635 lines
20 KiB
C
635 lines
20 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 2004-2006, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: genbidi.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2004dec30
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* created by: Markus W. Scherer
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*
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* This program reads several of the Unicode character database text files,
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* parses them, and extracts the bidi/shaping properties for each character.
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* It then writes a binary file containing the properties
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* that is designed to be used directly for random-access to
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* the properties of each Unicode character.
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*/
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#include <stdio.h>
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#include "unicode/utypes.h"
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#include "unicode/uchar.h"
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#include "unicode/putil.h"
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#include "unicode/uclean.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "uarrsort.h"
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#include "unewdata.h"
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#include "uoptions.h"
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#include "uparse.h"
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#include "propsvec.h"
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#include "ubidi_props.h"
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#include "genbidi.h"
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#define LENGTHOF(array) (sizeof(array)/sizeof((array)[0]))
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/* data --------------------------------------------------------------------- */
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uint32_t *pv;
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UBool beVerbose=FALSE, haveCopyright=TRUE;
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/* prototypes --------------------------------------------------------------- */
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static UBool
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isToken(const char *token, const char *s);
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static void
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parseBidiMirroring(const char *filename, UErrorCode *pErrorCode);
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static void
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parseDB(const char *filename, UErrorCode *pErrorCode);
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/* miscellaneous ------------------------------------------------------------ */
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/* TODO: more common code, move functions to uparse.h|c */
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static char *
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trimTerminateField(char *s, char *limit) {
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/* trim leading whitespace */
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s=(char *)u_skipWhitespace(s);
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/* trim trailing whitespace */
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while(s<limit && (*(limit-1)==' ' || *(limit-1)=='\t')) {
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--limit;
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}
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*limit=0;
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return s;
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}
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static void
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parseTwoFieldFile(char *filename, char *basename,
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const char *ucdFile, const char *suffix,
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UParseLineFn *lineFn,
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UErrorCode *pErrorCode) {
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char *fields[2][2];
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return;
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}
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writeUCDFilename(basename, ucdFile, suffix);
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u_parseDelimitedFile(filename, ';', fields, 2, lineFn, NULL, pErrorCode);
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if(U_FAILURE(*pErrorCode)) {
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fprintf(stderr, "error parsing %s.txt: %s\n", ucdFile, u_errorName(*pErrorCode));
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}
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}
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static void U_CALLCONV
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bidiClassLineFn(void *context,
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char *fields[][2], int32_t fieldCount,
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UErrorCode *pErrorCode);
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/* parse files with single enumerated properties ---------------------------- */
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/* TODO: more common code, move functions to uparse.h|c */
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struct SingleEnum {
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const char *ucdFile, *propName;
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UProperty prop;
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int32_t vecWord, vecShift;
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uint32_t vecMask;
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};
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typedef struct SingleEnum SingleEnum;
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static void
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parseSingleEnumFile(char *filename, char *basename, const char *suffix,
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const SingleEnum *sen,
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UErrorCode *pErrorCode);
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static const SingleEnum jtSingleEnum={
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"DerivedJoiningType", "joining type",
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UCHAR_JOINING_TYPE,
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0, UBIDI_JT_SHIFT, UBIDI_JT_MASK
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};
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static const SingleEnum jgSingleEnum={
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"DerivedJoiningGroup", "joining group",
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UCHAR_JOINING_GROUP,
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1, 0, 0xff /* column 1 bits 7..0 */
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};
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static void U_CALLCONV
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singleEnumLineFn(void *context,
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char *fields[][2], int32_t fieldCount,
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UErrorCode *pErrorCode) {
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const SingleEnum *sen;
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char *s;
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uint32_t start, limit, uv;
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int32_t value;
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sen=(const SingleEnum *)context;
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u_parseCodePointRange(fields[0][0], &start, &limit, pErrorCode);
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if(U_FAILURE(*pErrorCode)) {
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fprintf(stderr, "genbidi: syntax error in %s.txt field 0 at %s\n", sen->ucdFile, fields[0][0]);
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exit(*pErrorCode);
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}
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++limit;
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/* parse property alias */
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s=trimTerminateField(fields[1][0], fields[1][1]);
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value=u_getPropertyValueEnum(sen->prop, s);
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if(value<0) {
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if(sen->prop==UCHAR_BLOCK) {
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if(isToken("Greek", s)) {
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value=UBLOCK_GREEK; /* Unicode 3.2 renames this to "Greek and Coptic" */
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} else if(isToken("Combining Marks for Symbols", s)) {
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value=UBLOCK_COMBINING_MARKS_FOR_SYMBOLS; /* Unicode 3.2 renames this to "Combining Diacritical Marks for Symbols" */
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} else if(isToken("Private Use", s)) {
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value=UBLOCK_PRIVATE_USE; /* Unicode 3.2 renames this to "Private Use Area" */
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}
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}
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}
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if(value<0) {
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fprintf(stderr, "genbidi error: unknown %s name in %s.txt field 1 at %s\n",
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sen->propName, sen->ucdFile, s);
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exit(U_PARSE_ERROR);
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}
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uv=(uint32_t)(value<<sen->vecShift);
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if((uv&sen->vecMask)!=uv) {
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fprintf(stderr, "genbidi error: %s value overflow (0x%x) at %s\n",
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sen->propName, (int)uv, s);
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exit(U_INTERNAL_PROGRAM_ERROR);
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}
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if(!upvec_setValue(pv, start, limit, sen->vecWord, uv, sen->vecMask, pErrorCode)) {
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fprintf(stderr, "genbidi error: unable to set %s code: %s\n",
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sen->propName, u_errorName(*pErrorCode));
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exit(*pErrorCode);
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}
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}
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static void
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parseSingleEnumFile(char *filename, char *basename, const char *suffix,
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const SingleEnum *sen,
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UErrorCode *pErrorCode) {
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char *fields[2][2];
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return;
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}
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writeUCDFilename(basename, sen->ucdFile, suffix);
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u_parseDelimitedFile(filename, ';', fields, 2, singleEnumLineFn, (void *)sen, pErrorCode);
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if(U_FAILURE(*pErrorCode)) {
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fprintf(stderr, "error parsing %s.txt: %s\n", sen->ucdFile, u_errorName(*pErrorCode));
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}
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}
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/* parse files with multiple binary properties ------------------------------ */
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/* TODO: more common code, move functions to uparse.h|c */
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/* TODO: similar to genbidi/props2.c but not the same; same as in gencase/gencase.c */
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struct Binary {
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const char *propName;
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int32_t vecWord;
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uint32_t vecValue, vecMask;
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};
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typedef struct Binary Binary;
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struct Binaries {
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const char *ucdFile;
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const Binary *binaries;
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int32_t binariesCount;
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};
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typedef struct Binaries Binaries;
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static const Binary
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propListNames[]={
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{ "Bidi_Control", 0, U_MASK(UBIDI_BIDI_CONTROL_SHIFT), U_MASK(UBIDI_BIDI_CONTROL_SHIFT) },
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{ "Join_Control", 0, U_MASK(UBIDI_JOIN_CONTROL_SHIFT), U_MASK(UBIDI_JOIN_CONTROL_SHIFT) }
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};
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static const Binaries
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propListBinaries={
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"PropList", propListNames, LENGTHOF(propListNames)
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};
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static void U_CALLCONV
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binariesLineFn(void *context,
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char *fields[][2], int32_t fieldCount,
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UErrorCode *pErrorCode) {
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const Binaries *bin;
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char *s;
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uint32_t start, limit;
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int32_t i;
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bin=(const Binaries *)context;
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u_parseCodePointRange(fields[0][0], &start, &limit, pErrorCode);
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if(U_FAILURE(*pErrorCode)) {
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fprintf(stderr, "genbidi: syntax error in %s.txt field 0 at %s\n", bin->ucdFile, fields[0][0]);
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exit(*pErrorCode);
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}
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++limit;
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/* parse binary property name */
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s=(char *)u_skipWhitespace(fields[1][0]);
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for(i=0;; ++i) {
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if(i==bin->binariesCount) {
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/* ignore unrecognized properties */
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return;
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}
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if(isToken(bin->binaries[i].propName, s)) {
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break;
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}
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}
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if(bin->binaries[i].vecMask==0) {
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fprintf(stderr, "genbidi error: mask value %d==0 for %s %s\n",
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(int)bin->binaries[i].vecMask, bin->ucdFile, bin->binaries[i].propName);
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exit(U_INTERNAL_PROGRAM_ERROR);
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}
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if(!upvec_setValue(pv, start, limit, bin->binaries[i].vecWord, bin->binaries[i].vecValue, bin->binaries[i].vecMask, pErrorCode)) {
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fprintf(stderr, "genbidi error: unable to set %s, code: %s\n",
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bin->binaries[i].propName, u_errorName(*pErrorCode));
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exit(*pErrorCode);
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}
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}
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static void
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parseBinariesFile(char *filename, char *basename, const char *suffix,
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const Binaries *bin,
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UErrorCode *pErrorCode) {
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char *fields[2][2];
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return;
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}
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writeUCDFilename(basename, bin->ucdFile, suffix);
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u_parseDelimitedFile(filename, ';', fields, 2, binariesLineFn, (void *)bin, pErrorCode);
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if(U_FAILURE(*pErrorCode)) {
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fprintf(stderr, "error parsing %s.txt: %s\n", bin->ucdFile, u_errorName(*pErrorCode));
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}
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}
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/* -------------------------------------------------------------------------- */
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enum {
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HELP_H,
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HELP_QUESTION_MARK,
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VERBOSE,
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COPYRIGHT,
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DESTDIR,
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SOURCEDIR,
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UNICODE_VERSION,
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ICUDATADIR,
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CSOURCE
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};
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/* Keep these values in sync with the above enums */
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static UOption options[]={
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UOPTION_HELP_H,
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UOPTION_HELP_QUESTION_MARK,
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UOPTION_VERBOSE,
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UOPTION_COPYRIGHT,
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UOPTION_DESTDIR,
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UOPTION_SOURCEDIR,
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UOPTION_DEF("unicode", 'u', UOPT_REQUIRES_ARG),
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UOPTION_ICUDATADIR,
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UOPTION_DEF("csource", 'C', UOPT_NO_ARG)
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};
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extern int
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main(int argc, char* argv[]) {
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char filename[300];
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const char *srcDir=NULL, *destDir=NULL, *suffix=NULL;
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char *basename=NULL;
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UErrorCode errorCode=U_ZERO_ERROR;
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U_MAIN_INIT_ARGS(argc, argv);
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/* preset then read command line options */
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options[DESTDIR].value=u_getDataDirectory();
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options[SOURCEDIR].value="";
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options[UNICODE_VERSION].value="";
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options[ICUDATADIR].value=u_getDataDirectory();
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argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
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/* error handling, printing usage message */
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if(argc<0) {
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fprintf(stderr,
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"error in command line argument \"%s\"\n",
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argv[-argc]);
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}
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if(argc<0 || options[HELP_H].doesOccur || options[HELP_QUESTION_MARK].doesOccur) {
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/*
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* Broken into chucks because the C89 standard says the minimum
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* required supported string length is 509 bytes.
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*/
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fprintf(stderr,
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"Usage: %s [-options] [suffix]\n"
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"\n"
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"read the UnicodeData.txt file and other Unicode properties files and\n"
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"create a binary file " UBIDI_DATA_NAME "." UBIDI_DATA_TYPE " with the bidi/shaping properties\n"
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"\n",
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argv[0]);
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fprintf(stderr,
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"Options:\n"
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"\t-h or -? or --help this usage text\n"
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"\t-v or --verbose verbose output\n"
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"\t-c or --copyright include a copyright notice\n"
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"\t-u or --unicode Unicode version, followed by the version like 3.0.0\n"
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"\t-C or --csource generate a .c source file rather than the .icu binary\n");
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fprintf(stderr,
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"\t-d or --destdir destination directory, followed by the path\n"
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"\t-s or --sourcedir source directory, followed by the path\n"
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"\t-i or --icudatadir directory for locating any needed intermediate data files,\n"
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"\t followed by path, defaults to %s\n"
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"\tsuffix suffix that is to be appended with a '-'\n"
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"\t to the source file basenames before opening;\n"
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"\t 'genbidi new' will read UnicodeData-new.txt etc.\n",
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u_getDataDirectory());
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return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
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}
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/* get the options values */
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beVerbose=options[VERBOSE].doesOccur;
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haveCopyright=options[COPYRIGHT].doesOccur;
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srcDir=options[SOURCEDIR].value;
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destDir=options[DESTDIR].value;
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if(argc>=2) {
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suffix=argv[1];
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} else {
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suffix=NULL;
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}
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if(options[UNICODE_VERSION].doesOccur) {
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setUnicodeVersion(options[UNICODE_VERSION].value);
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}
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/* else use the default dataVersion in store.c */
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if (options[ICUDATADIR].doesOccur) {
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u_setDataDirectory(options[ICUDATADIR].value);
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}
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/* prepare the filename beginning with the source dir */
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uprv_strcpy(filename, srcDir);
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basename=filename+uprv_strlen(filename);
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if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
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*basename++=U_FILE_SEP_CHAR;
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}
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/* initialize */
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pv=upvec_open(2, 10000);
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/* process BidiMirroring.txt */
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writeUCDFilename(basename, "BidiMirroring", suffix);
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parseBidiMirroring(filename, &errorCode);
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/* process additional properties files */
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*basename=0;
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parseBinariesFile(filename, basename, suffix, &propListBinaries, &errorCode);
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parseSingleEnumFile(filename, basename, suffix, &jtSingleEnum, &errorCode);
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parseSingleEnumFile(filename, basename, suffix, &jgSingleEnum, &errorCode);
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/* process UnicodeData.txt */
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writeUCDFilename(basename, "UnicodeData", suffix);
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parseDB(filename, &errorCode);
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/* set proper bidi class for unassigned code points (Cn) */
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parseTwoFieldFile(filename, basename, "DerivedBidiClass", suffix, bidiClassLineFn, &errorCode);
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/* process parsed data */
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if(U_SUCCESS(errorCode)) {
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/* write the properties data file */
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generateData(destDir, options[CSOURCE].doesOccur);
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}
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u_cleanup();
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return errorCode;
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}
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U_CFUNC void
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writeUCDFilename(char *basename, const char *filename, const char *suffix) {
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int32_t length=(int32_t)uprv_strlen(filename);
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uprv_strcpy(basename, filename);
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if(suffix!=NULL) {
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basename[length++]='-';
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uprv_strcpy(basename+length, suffix);
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length+=(int32_t)uprv_strlen(suffix);
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}
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uprv_strcpy(basename+length, ".txt");
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}
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/* TODO: move to toolutil */
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static UBool
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isToken(const char *token, const char *s) {
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const char *z;
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int32_t j;
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s=u_skipWhitespace(s);
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for(j=0;; ++j) {
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if(token[j]!=0) {
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if(s[j]!=token[j]) {
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break;
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}
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} else {
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z=u_skipWhitespace(s+j);
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if(*z==';' || *z==0) {
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return TRUE;
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} else {
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break;
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}
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}
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}
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return FALSE;
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}
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/* parser for BidiMirroring.txt --------------------------------------------- */
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static void U_CALLCONV
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mirrorLineFn(void *context,
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char *fields[][2], int32_t fieldCount,
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UErrorCode *pErrorCode) {
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char *end;
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UChar32 src, mirror;
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src=(UChar32)uprv_strtoul(fields[0][0], &end, 16);
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if(end<=fields[0][0] || end!=fields[0][1]) {
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fprintf(stderr, "genbidi: syntax error in BidiMirroring.txt field 0 at %s\n", fields[0][0]);
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*pErrorCode=U_PARSE_ERROR;
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exit(U_PARSE_ERROR);
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}
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mirror=(UChar32)uprv_strtoul(fields[1][0], &end, 16);
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if(end<=fields[1][0] || end!=fields[1][1]) {
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fprintf(stderr, "genbidi: syntax error in BidiMirroring.txt field 1 at %s\n", fields[1][0]);
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*pErrorCode=U_PARSE_ERROR;
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exit(U_PARSE_ERROR);
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}
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addMirror(src, mirror);
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}
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static void
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parseBidiMirroring(const char *filename, UErrorCode *pErrorCode) {
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char *fields[2][2];
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if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
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return;
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}
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u_parseDelimitedFile(filename, ';', fields, 2, mirrorLineFn, NULL, pErrorCode);
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}
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/* parser for UnicodeData.txt ----------------------------------------------- */
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static void U_CALLCONV
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unicodeDataLineFn(void *context,
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char *fields[][2], int32_t fieldCount,
|
|
UErrorCode *pErrorCode) {
|
|
char *end;
|
|
UErrorCode errorCode;
|
|
UChar32 c;
|
|
|
|
errorCode=U_ZERO_ERROR;
|
|
|
|
/* get the character code, field 0 */
|
|
c=(UChar32)uprv_strtoul(fields[0][0], &end, 16);
|
|
if(end<=fields[0][0] || end!=fields[0][1]) {
|
|
fprintf(stderr, "genbidi: syntax error in field 0 at %s\n", fields[0][0]);
|
|
*pErrorCode=U_PARSE_ERROR;
|
|
exit(U_PARSE_ERROR);
|
|
}
|
|
|
|
/* get Mirrored flag, field 9 */
|
|
if(*fields[9][0]=='Y') {
|
|
if(!upvec_setValue(pv, c, c+1, 0, U_MASK(UBIDI_IS_MIRRORED_SHIFT), U_MASK(UBIDI_IS_MIRRORED_SHIFT), &errorCode)) {
|
|
fprintf(stderr, "genbidi error: unable to set 'is mirrored' for U+%04lx, code: %s\n",
|
|
(long)c, u_errorName(errorCode));
|
|
exit(errorCode);
|
|
}
|
|
} else if(fields[9][1]-fields[9][0]!=1 || *fields[9][0]!='N') {
|
|
fprintf(stderr, "genbidi: syntax error in field 9 at U+%04lx\n",
|
|
(long)c);
|
|
*pErrorCode=U_PARSE_ERROR;
|
|
exit(U_PARSE_ERROR);
|
|
}
|
|
}
|
|
|
|
static void
|
|
parseDB(const char *filename, UErrorCode *pErrorCode) {
|
|
/* default Bidi classes for unassigned code points */
|
|
static const UChar32 defaultBidi[][3]={ /* { start, end, class } */
|
|
/* R: U+0590..U+05FF, U+07C0..U+08FF, U+FB1D..U+FB4F, U+10800..U+10FFF */
|
|
{ 0x0590, 0x05FF, U_RIGHT_TO_LEFT },
|
|
{ 0x07C0, 0x08FF, U_RIGHT_TO_LEFT },
|
|
{ 0xFB1D, 0xFB4F, U_RIGHT_TO_LEFT },
|
|
{ 0x10800, 0x10FFF, U_RIGHT_TO_LEFT },
|
|
|
|
/* AL: U+0600..U+07BF, U+FB50..U+FDCF, U+FDF0..U+FDFF, U+FE70..U+FEFE */
|
|
{ 0x0600, 0x07BF, U_RIGHT_TO_LEFT_ARABIC },
|
|
{ 0xFB50, 0xFDCF, U_RIGHT_TO_LEFT_ARABIC },
|
|
{ 0xFDF0, 0xFDFF, U_RIGHT_TO_LEFT_ARABIC },
|
|
{ 0xFE70, 0xFEFE, U_RIGHT_TO_LEFT_ARABIC }
|
|
|
|
/* L otherwise */
|
|
};
|
|
|
|
char *fields[15][2];
|
|
UChar32 start, end;
|
|
int32_t i;
|
|
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Set default Bidi classes for unassigned code points.
|
|
* See the documentation for Bidi_Class in UCD.html in the Unicode data.
|
|
* http://www.unicode.org/Public/
|
|
*
|
|
* Starting with Unicode 5.0, DerivedBidiClass.txt should (re)set
|
|
* the Bidi_Class values for all code points including unassigned ones
|
|
* and including L values for these.
|
|
* This code becomes unnecesary but harmless. Leave it for now in case
|
|
* someone uses genbidi on pre-Unicode 5.0 data.
|
|
*/
|
|
for(i=0; i<LENGTHOF(defaultBidi); ++i) {
|
|
start=defaultBidi[i][0];
|
|
end=defaultBidi[i][1];
|
|
if(!upvec_setValue(pv, start, end+1, 0, (uint32_t)defaultBidi[i][2], UBIDI_CLASS_MASK, pErrorCode)) {
|
|
fprintf(stderr, "genbidi error: unable to set default bidi class for U+%04lx..U+%04lx, code: %s\n",
|
|
(long)start, (long)end, u_errorName(*pErrorCode));
|
|
exit(*pErrorCode);
|
|
}
|
|
}
|
|
|
|
u_parseDelimitedFile(filename, ';', fields, 15, unicodeDataLineFn, NULL, pErrorCode);
|
|
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* DerivedBidiClass.txt ----------------------------------------------------- */
|
|
|
|
static void U_CALLCONV
|
|
bidiClassLineFn(void *context,
|
|
char *fields[][2], int32_t fieldCount,
|
|
UErrorCode *pErrorCode) {
|
|
char *s;
|
|
uint32_t start, limit, value;
|
|
|
|
/* get the code point range */
|
|
u_parseCodePointRange(fields[0][0], &start, &limit, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
fprintf(stderr, "genbidi: syntax error in DerivedBidiClass.txt field 0 at %s\n", fields[0][0]);
|
|
exit(*pErrorCode);
|
|
}
|
|
++limit;
|
|
|
|
/* parse bidi class */
|
|
s=trimTerminateField(fields[1][0], fields[1][1]);
|
|
value=u_getPropertyValueEnum(UCHAR_BIDI_CLASS, s);
|
|
if((int32_t)value<0) {
|
|
fprintf(stderr, "genbidi error: unknown bidi class in DerivedBidiClass.txt field 1 at %s\n", s);
|
|
exit(U_PARSE_ERROR);
|
|
}
|
|
|
|
if(!upvec_setValue(pv, start, limit, 0, value, UBIDI_CLASS_MASK, pErrorCode)) {
|
|
fprintf(stderr, "genbidi error: unable to set derived bidi class for U+%04x..U+%04x - %s\n",
|
|
(int)start, (int)limit-1, u_errorName(*pErrorCode));
|
|
exit(*pErrorCode);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Hey, Emacs, please set the following:
|
|
*
|
|
* Local Variables:
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
*/
|