| /* |
| ******************************************************************************* |
| * |
| * Copyright (C) 1999-2004, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ******************************************************************************* |
| * file name: gencnval.c |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * created on: 1999nov05 |
| * created by: Markus W. Scherer |
| * |
| * This program reads convrtrs.txt and writes a memory-mappable |
| * converter name alias table to cnvalias.dat . |
| * |
| * This program currently writes version 2.1 of the data format. See |
| * ucnv_io.c for more details on the format. Note that version 2.1 |
| * is written in such a way that a 2.0 reader will be able to use it, |
| * and a 2.1 reader will be able to read 2.0. |
| */ |
| |
| #include "unicode/utypes.h" |
| #include "unicode/putil.h" |
| #include "unicode/ucnv.h" /* ucnv_compareNames() */ |
| #include "ucnv_io.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "filestrm.h" |
| #include "unicode/uclean.h" |
| #include "unewdata.h" |
| #include "uoptions.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <ctype.h> |
| |
| /* TODO: Need to check alias name length is less than UCNV_MAX_CONVERTER_NAME_LENGTH */ |
| |
| /* STRING_STORE_SIZE + TAG_STORE_SIZE <= ((2^16 - 1) * 2) |
| That is the maximum size for the string stores combined |
| because the strings are index at 16-bit boundries by a |
| 16-bit index, and there is only one section for the |
| strings. |
| */ |
| #define STRING_STORE_SIZE 0x1FBFE /* 130046 */ |
| #define TAG_STORE_SIZE 0x400 /* 1024 */ |
| |
| /* The combined tag and converter count can affect the number of lists |
| created. The size of all lists must be less than (2^17 - 1) |
| because the lists are indexed as a 16-bit array with a 16-bit index. |
| */ |
| #define MAX_TAG_COUNT 0x3F /* 63 */ |
| #define MAX_CONV_COUNT UCNV_CONVERTER_INDEX_MASK |
| #define MAX_ALIAS_COUNT 0xFFFF /* 65535 */ |
| |
| /* The maximum number of aliases that a standard tag/converter combination can have. |
| At this moment 6/18/2002, IANA has 12 names for ASCII. Don't go below 15 for |
| this value. I don't recommend more than 31 for this value. |
| */ |
| #define MAX_TC_ALIAS_COUNT 0x1F /* 31 */ |
| |
| #define MAX_LINE_SIZE 0x7FFF /* 32767 */ |
| #define MAX_LIST_SIZE 0xFFFF /* 65535 */ |
| |
| #define DATA_NAME "cnvalias" |
| #define DATA_TYPE "icu" /* ICU alias table */ |
| |
| #define ALL_TAG_STR "ALL" |
| #define ALL_TAG_NUM 1 |
| #define EMPTY_TAG_NUM 0 |
| |
| /* UDataInfo cf. udata.h */ |
| static const UDataInfo dataInfo={ |
| sizeof(UDataInfo), |
| 0, |
| |
| U_IS_BIG_ENDIAN, |
| U_CHARSET_FAMILY, |
| sizeof(UChar), |
| 0, |
| |
| {0x43, 0x76, 0x41, 0x6c}, /* dataFormat="CvAl" */ |
| {3, 0, 0, 0}, /* formatVersion */ |
| {1, 4, 2, 0} /* dataVersion */ |
| }; |
| |
| typedef struct { |
| char *store; |
| uint32_t top; |
| uint32_t max; |
| } StringBlock; |
| |
| static char stringStore[STRING_STORE_SIZE]; |
| static StringBlock stringBlock = { stringStore, 0, STRING_STORE_SIZE }; |
| |
| typedef struct { |
| uint16_t aliasCount; |
| uint16_t *aliases; /* Index into stringStore */ |
| } AliasList; |
| |
| typedef struct { |
| uint16_t converter; /* Index into stringStore */ |
| uint16_t totalAliasCount; /* Total aliases in this column */ |
| } Converter; |
| |
| static Converter converters[MAX_CONV_COUNT]; |
| static uint16_t converterCount=0; |
| |
| static char tagStore[TAG_STORE_SIZE]; |
| static StringBlock tagBlock = { tagStore, 0, TAG_STORE_SIZE }; |
| |
| typedef struct { |
| uint16_t tag; /* Index into tagStore */ |
| uint16_t totalAliasCount; /* Total aliases in this row */ |
| AliasList aliasList[MAX_CONV_COUNT]; |
| } Tag; |
| |
| /* Think of this as a 3D array. It's tagCount by converterCount by aliasCount */ |
| static Tag tags[MAX_TAG_COUNT]; |
| static uint16_t tagCount = 0; |
| |
| /* Used for storing all aliases */ |
| static uint16_t knownAliases[MAX_ALIAS_COUNT]; |
| static uint16_t knownAliasesCount = 0; |
| /*static uint16_t duplicateKnownAliasesCount = 0;*/ |
| |
| /* Used for storing the lists section that point to aliases */ |
| static uint16_t aliasLists[MAX_LIST_SIZE]; |
| static uint16_t aliasListsSize = 0; |
| |
| /* Were the standard tags declared before the aliases. */ |
| static UBool standardTagsUsed = FALSE; |
| static UBool verbose = FALSE; |
| static int lineNum = 1; |
| |
| /* prototypes --------------------------------------------------------------- */ |
| |
| static void |
| parseLine(const char *line); |
| |
| static void |
| parseFile(FileStream *in); |
| |
| static int32_t |
| chomp(char *line); |
| |
| static void |
| addOfficialTaggedStandards(char *line, int32_t lineLen); |
| |
| static uint16_t |
| addAlias(const char *alias, uint16_t standard, uint16_t converter, UBool defaultName); |
| |
| static uint16_t |
| addConverter(const char *converter); |
| |
| static char * |
| allocString(StringBlock *block, const char *s, int32_t length); |
| |
| static uint16_t |
| addToKnownAliases(const char *alias); |
| |
| static int |
| compareAliases(const void *alias1, const void *alias2); |
| |
| static uint16_t |
| getTagNumber(const char *tag, uint16_t tagLen); |
| |
| /*static void |
| addTaggedAlias(uint16_t tag, const char *alias, uint16_t converter);*/ |
| |
| static void |
| writeAliasTable(UNewDataMemory *out); |
| |
| /* -------------------------------------------------------------------------- */ |
| |
| /* Presumes that you used allocString() */ |
| #define GET_ALIAS_STR(index) (stringStore + ((size_t)(index) << 1)) |
| #define GET_TAG_STR(index) (tagStore + ((size_t)(index) << 1)) |
| |
| /* Presumes that you used allocString() */ |
| #define GET_ALIAS_NUM(str) ((uint16_t)((str - stringStore) >> 1)) |
| #define GET_TAG_NUM(str) ((uint16_t)((str - tagStore) >> 1)) |
| |
| enum |
| { |
| HELP1, |
| HELP2, |
| VERBOSE, |
| COPYRIGHT, |
| DESTDIR, |
| SOURCEDIR |
| }; |
| |
| static UOption options[]={ |
| UOPTION_HELP_H, |
| UOPTION_HELP_QUESTION_MARK, |
| UOPTION_VERBOSE, |
| UOPTION_COPYRIGHT, |
| UOPTION_DESTDIR, |
| UOPTION_SOURCEDIR |
| }; |
| |
| extern int |
| main(int argc, char* argv[]) { |
| char pathBuf[512]; |
| const char *path; |
| FileStream *in; |
| UNewDataMemory *out; |
| UErrorCode errorCode=U_ZERO_ERROR; |
| |
| U_MAIN_INIT_ARGS(argc, argv); |
| |
| /* preset then read command line options */ |
| options[DESTDIR].value=options[SOURCEDIR].value=u_getDataDirectory(); |
| 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[HELP1].doesOccur || options[HELP2].doesOccur) { |
| fprintf(stderr, |
| "usage: %s [-options] [convrtrs.txt]\n" |
| "\tread convrtrs.txt and create " U_ICUDATA_NAME "_" DATA_NAME "." DATA_TYPE "\n" |
| "options:\n" |
| "\t-h or -? or --help this usage text\n" |
| "\t-v or --verbose prints out extra information about the alias table\n" |
| "\t-c or --copyright include a copyright notice\n" |
| "\t-d or --destdir destination directory, followed by the path\n" |
| "\t-s or --sourcedir source directory, followed by the path\n", |
| argv[0]); |
| return argc<0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR; |
| } |
| |
| if(options[VERBOSE].doesOccur) { |
| verbose = TRUE; |
| } |
| |
| if(argc>=2) { |
| path=argv[1]; |
| } else { |
| path=options[SOURCEDIR].value; |
| if(path!=NULL && *path!=0) { |
| char *end; |
| |
| uprv_strcpy(pathBuf, path); |
| end = uprv_strchr(pathBuf, 0); |
| if(*(end-1)!=U_FILE_SEP_CHAR) { |
| *(end++)=U_FILE_SEP_CHAR; |
| } |
| uprv_strcpy(end, "convrtrs.txt"); |
| path=pathBuf; |
| } else { |
| path = "convrtrs.txt"; |
| } |
| } |
| |
| uprv_memset(stringStore, 0, sizeof(stringStore)); |
| uprv_memset(tagStore, 0, sizeof(tagStore)); |
| uprv_memset(converters, 0, sizeof(converters)); |
| uprv_memset(tags, 0, sizeof(tags)); |
| uprv_memset(aliasLists, 0, sizeof(aliasLists)); |
| uprv_memset(knownAliases, 0, sizeof(aliasLists)); |
| |
| |
| in=T_FileStream_open(path, "r"); |
| if(in==NULL) { |
| fprintf(stderr, "gencnval: unable to open input file convrtrs.txt\n"); |
| exit(U_FILE_ACCESS_ERROR); |
| } |
| parseFile(in); |
| T_FileStream_close(in); |
| |
| /* create the output file */ |
| out=udata_create(options[DESTDIR].value, DATA_TYPE, DATA_NAME, &dataInfo, |
| options[COPYRIGHT].doesOccur ? U_COPYRIGHT_STRING : NULL, &errorCode); |
| if(U_FAILURE(errorCode)) { |
| fprintf(stderr, "gencnval: unable to open output file - error %s\n", u_errorName(errorCode)); |
| exit(errorCode); |
| } |
| |
| /* write the table of aliases based on a tag/converter name combination */ |
| writeAliasTable(out); |
| |
| /* finish */ |
| udata_finish(out, &errorCode); |
| if(U_FAILURE(errorCode)) { |
| fprintf(stderr, "gencnval: error finishing output file - %s\n", u_errorName(errorCode)); |
| exit(errorCode); |
| } |
| |
| return 0; |
| } |
| |
| static void |
| parseFile(FileStream *in) { |
| char line[MAX_LINE_SIZE]; |
| char lastLine[MAX_LINE_SIZE]; |
| int32_t lineSize = 0; |
| int32_t lastLineSize = 0; |
| UBool validParse = TRUE; |
| |
| lineNum = 0; |
| |
| /* Add the empty tag, which is for untagged aliases */ |
| getTagNumber("", 0); |
| getTagNumber(ALL_TAG_STR, 3); |
| allocString(&stringBlock, "", 0); |
| |
| /* read the list of aliases */ |
| while (validParse) { |
| validParse = FALSE; |
| |
| /* Read non-empty lines that don't start with a space character. */ |
| while (T_FileStream_readLine(in, lastLine, MAX_LINE_SIZE) != NULL) { |
| lastLineSize = chomp(lastLine); |
| if (lineSize == 0 || (lastLineSize > 0 && isspace(*lastLine))) { |
| uprv_strcpy(line + lineSize, lastLine); |
| lineSize += lastLineSize; |
| } else if (lineSize > 0) { |
| validParse = TRUE; |
| break; |
| } |
| lineNum++; |
| } |
| |
| if (validParse || lineSize > 0) { |
| if (isspace(*line)) { |
| fprintf(stderr, "error(line %d): cannot start an alias with a space\n", lineNum-1); |
| exit(U_PARSE_ERROR); |
| } else if (line[0] == '{') { |
| if (!standardTagsUsed && line[lineSize - 1] != '}') { |
| fprintf(stderr, "error(line %d): alias needs to start with a converter name\n", lineNum); |
| exit(U_PARSE_ERROR); |
| } |
| addOfficialTaggedStandards(line, lineSize); |
| standardTagsUsed = TRUE; |
| } else { |
| if (standardTagsUsed) { |
| parseLine(line); |
| } |
| else { |
| fprintf(stderr, "error(line %d): alias table needs to start a list of standard tags\n", lineNum); |
| exit(U_PARSE_ERROR); |
| } |
| } |
| /* Was the last line consumed */ |
| if (lastLineSize > 0) { |
| uprv_strcpy(line, lastLine); |
| lineSize = lastLineSize; |
| } |
| else { |
| lineSize = 0; |
| } |
| } |
| lineNum++; |
| } |
| } |
| |
| /* This works almost like the Perl chomp. |
| It removes the newlines, comments and trailing whitespace (not preceding whitespace). |
| */ |
| static int32_t |
| chomp(char *line) { |
| char *s = line; |
| char *lastNonSpace = line; |
| while(*s!=0) { |
| /* truncate at a newline or a comment */ |
| if(*s == '\r' || *s == '\n' || *s == '#') { |
| *s = 0; |
| break; |
| } |
| if (!isspace(*s)) { |
| lastNonSpace = s; |
| } |
| ++s; |
| } |
| if (lastNonSpace++ > line) { |
| *lastNonSpace = 0; |
| s = lastNonSpace; |
| } |
| return (int32_t)(s - line); |
| } |
| |
| static void |
| parseLine(const char *line) { |
| uint16_t pos=0, start, limit, length, cnv; |
| char *converter, *alias; |
| |
| /* skip leading white space */ |
| /* There is no whitespace at the beginning anymore */ |
| /* while(line[pos]!=0 && isspace(line[pos])) { |
| ++pos; |
| } |
| */ |
| |
| /* is there nothing on this line? */ |
| if(line[pos]==0) { |
| return; |
| } |
| |
| /* get the converter name */ |
| start=pos; |
| while(line[pos]!=0 && !isspace(line[pos])) { |
| ++pos; |
| } |
| limit=pos; |
| |
| /* store the converter name */ |
| length=(uint16_t)(limit-start); |
| converter=allocString(&stringBlock, line+start, length); |
| |
| /* add the converter to the converter table */ |
| cnv=addConverter(converter); |
| |
| /* The name itself may be tagged, so let's added it to the aliases list properly */ |
| pos = start; |
| |
| /* get all the real aliases */ |
| for(;;) { |
| |
| /* skip white space */ |
| while(line[pos]!=0 && isspace(line[pos])) { |
| ++pos; |
| } |
| |
| /* is there no more alias name on this line? */ |
| if(line[pos]==0) { |
| break; |
| } |
| |
| /* get an alias name */ |
| start=pos; |
| while(line[pos]!=0 && line[pos]!='{' && !isspace(line[pos])) { |
| ++pos; |
| } |
| limit=pos; |
| |
| /* store the alias name */ |
| length=(uint16_t)(limit-start); |
| if (start == 0) { |
| /* add the converter as its own alias to the alias table */ |
| alias = converter; |
| addAlias(alias, ALL_TAG_NUM, cnv, TRUE); |
| } |
| else { |
| alias=allocString(&stringBlock, line+start, length); |
| addAlias(alias, ALL_TAG_NUM, cnv, FALSE); |
| } |
| addToKnownAliases(alias); |
| |
| /* add the alias/converter pair to the alias table */ |
| /* addAlias(alias, 0, cnv, FALSE);*/ |
| |
| /* skip whitespace */ |
| while (line[pos] && isspace(line[pos])) { |
| ++pos; |
| } |
| |
| /* handle tags if they are present */ |
| if (line[pos] == '{') { |
| ++pos; |
| do { |
| start = pos; |
| while (line[pos] && line[pos] != '}' && !isspace( line[pos])) { |
| ++pos; |
| } |
| limit = pos; |
| |
| if (start != limit) { |
| /* add the tag to the tag table */ |
| uint16_t tag = getTagNumber(line + start, (uint16_t)(limit - start)); |
| addAlias(alias, tag, cnv, (UBool)(line[limit-1] == '*')); |
| } |
| |
| while (line[pos] && isspace(line[pos])) { |
| ++pos; |
| } |
| } while (line[pos] && line[pos] != '}'); |
| |
| if (line[pos] == '}') { |
| ++pos; |
| } else { |
| fprintf(stderr, "error(line %d): Unterminated tag list\n", lineNum); |
| exit(U_UNMATCHED_BRACES); |
| } |
| } else { |
| addAlias(alias, EMPTY_TAG_NUM, cnv, (UBool)(tags[0].aliasList[cnv].aliasCount == 0)); |
| } |
| } |
| } |
| |
| static uint16_t |
| getTagNumber(const char *tag, uint16_t tagLen) { |
| char *atag; |
| uint16_t t; |
| UBool preferredName = ((tagLen > 0) ? (tag[tagLen - 1] == '*') : (FALSE)); |
| |
| if (tagCount >= MAX_TAG_COUNT) { |
| fprintf(stderr, "error(line %d): too many tags\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| |
| if (preferredName) { |
| /* puts(tag);*/ |
| tagLen--; |
| } |
| |
| for (t = 0; t < tagCount; ++t) { |
| const char *currTag = GET_TAG_STR(tags[t].tag); |
| if (uprv_strlen(currTag) == tagLen && !uprv_strnicmp(currTag, tag, tagLen)) { |
| return t; |
| } |
| } |
| |
| /* we need to add this tag */ |
| if (tagCount >= MAX_TAG_COUNT) { |
| fprintf(stderr, "error(line %d): too many tags\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| |
| /* allocate a new entry in the tag table */ |
| atag = allocString(&tagBlock, tag, tagLen); |
| |
| if (standardTagsUsed) { |
| fprintf(stderr, "error(line %d): Tag \"%s\" is not declared at the beginning of the alias table.\n", |
| lineNum, atag); |
| exit(1); |
| } |
| else if (tagLen > 0 && strcmp(tag, ALL_TAG_STR) != 0) { |
| fprintf(stderr, "warning(line %d): Tag \"%s\" was added to the list of standards because it was not declared at beginning of the alias table.\n", |
| lineNum, atag); |
| } |
| |
| /* add the tag to the tag table */ |
| tags[tagCount].tag = GET_TAG_NUM(atag); |
| /* The aliasList should be set to 0's already */ |
| |
| return tagCount++; |
| } |
| |
| /*static void |
| addTaggedAlias(uint16_t tag, const char *alias, uint16_t converter) { |
| tags[tag].aliases[converter] = alias; |
| } |
| */ |
| |
| static void |
| addOfficialTaggedStandards(char *line, int32_t lineLen) { |
| char *atag; |
| char *tag = strchr(line, '{') + 1; |
| static const char WHITESPACE[] = " \t"; |
| |
| if (tagCount > UCNV_NUM_RESERVED_TAGS) { |
| fprintf(stderr, "error(line %d): official tags already added\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| strchr(tag, '}')[0] = 0; |
| |
| tag = strtok(tag, WHITESPACE); |
| while (tag != NULL) { |
| /* printf("Adding original tag \"%s\"\n", tag);*/ |
| |
| /* allocate a new entry in the tag table */ |
| atag = allocString(&tagBlock, tag, -1); |
| |
| /* add the tag to the tag table */ |
| tags[tagCount++].tag = (uint16_t)((atag - tagStore) >> 1); |
| |
| /* The aliasList should already be set to 0's */ |
| |
| /* Get next tag */ |
| tag = strtok(NULL, WHITESPACE); |
| } |
| } |
| |
| static uint16_t |
| addToKnownAliases(const char *alias) { |
| /* uint32_t idx; */ |
| /* strict matching */ |
| /* for (idx = 0; idx < knownAliasesCount; idx++) { |
| uint16_t num = GET_ALIAS_NUM(alias); |
| if (knownAliases[idx] != num |
| && uprv_strcmp(alias, GET_ALIAS_STR(knownAliases[idx])) == 0) |
| { |
| fprintf(stderr, "warning(line %d): duplicate alias %s and %s found\n", |
| lineNum, alias, GET_ALIAS_STR(knownAliases[idx])); |
| duplicateKnownAliasesCount++; |
| break; |
| } |
| else if (knownAliases[idx] != num |
| && ucnv_compareNames(alias, GET_ALIAS_STR(knownAliases[idx])) == 0) |
| { |
| if (verbose) { |
| fprintf(stderr, "information(line %d): duplicate alias %s and %s found\n", |
| lineNum, alias, GET_ALIAS_STR(knownAliases[idx])); |
| } |
| duplicateKnownAliasesCount++; |
| break; |
| } |
| } |
| */ |
| if (knownAliasesCount >= MAX_ALIAS_COUNT) { |
| fprintf(stderr, "warning(line %d): Too many aliases defined for all converters\n", |
| lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| /* TODO: We could try to unlist exact duplicates. */ |
| return knownAliases[knownAliasesCount++] = GET_ALIAS_NUM(alias); |
| } |
| |
| /* |
| @param standard When standard is 0, then it's the "empty" tag. |
| */ |
| static uint16_t |
| addAlias(const char *alias, uint16_t standard, uint16_t converter, UBool defaultName) { |
| uint32_t idx, idx2; |
| UBool dupFound = FALSE; |
| UBool startEmptyWithoutDefault = FALSE; |
| AliasList *aliasList; |
| |
| if(standard>=MAX_TAG_COUNT) { |
| fprintf(stderr, "error(line %d): too many standard tags\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| if(converter>=MAX_CONV_COUNT) { |
| fprintf(stderr, "error(line %d): too many converter names\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| aliasList = &tags[standard].aliasList[converter]; |
| |
| if (strchr(alias, '}')) { |
| fprintf(stderr, "error(line %d): unmatched } found\n", |
| lineNum); |
| } |
| |
| if(aliasList->aliasCount + 1 >= MAX_TC_ALIAS_COUNT) { |
| fprintf(stderr, "error(line %d): too many aliases for alias %s and converter %s\n", |
| lineNum, alias, GET_ALIAS_STR(converters[converter].converter)); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| |
| /* Show this warning only once. All aliases are added to the "ALL" tag. */ |
| if (standard == ALL_TAG_NUM && GET_ALIAS_STR(converters[converter].converter) != alias) { |
| /* Normally these option values are parsed at runtime, and they can |
| be discarded when the alias is a default converter. Options should |
| only be on a converter and not an alias. */ |
| if (uprv_strchr(alias, UCNV_OPTION_SEP_CHAR) != 0) |
| { |
| fprintf(stderr, "warning(line %d): alias %s contains a \""UCNV_OPTION_SEP_STRING"\". Options are parsed at run-time and do not need to be in the alias table.\n", |
| lineNum, alias); |
| } |
| if (uprv_strchr(alias, UCNV_VALUE_SEP_CHAR) != 0) |
| { |
| fprintf(stderr, "warning(line %d): alias %s contains an \""UCNV_VALUE_SEP_STRING"\". Options are parsed at run-time and do not need to be in the alias table.\n", |
| lineNum, alias); |
| } |
| } |
| |
| /* Check for duplicates in a tag/converter combination */ |
| for (idx = 0; idx < aliasList->aliasCount; idx++) { |
| uint16_t aliasNum = tags[standard].aliasList[converter].aliases[idx]; |
| if (aliasNum && ucnv_compareNames(alias, GET_ALIAS_STR(aliasNum)) == 0 && standard != ALL_TAG_NUM) |
| { |
| fprintf(stderr, "warning(line %d): duplicate alias %s and %s found for standard %s\n", |
| lineNum, alias, GET_ALIAS_STR(aliasNum), GET_TAG_STR(tags[standard].tag)); |
| dupFound = TRUE; |
| break; |
| } |
| } |
| |
| if (!dupFound && standard != ALL_TAG_NUM) { |
| /* Check for duplicate aliases for this tag on all converters */ |
| for (idx = 0; idx < converterCount; idx++) { |
| for (idx2 = 0; idx2 < tags[standard].aliasList[idx].aliasCount; idx2++) { |
| uint16_t aliasNum = tags[standard].aliasList[idx].aliases[idx2]; |
| if (aliasNum |
| && ucnv_compareNames(alias, GET_ALIAS_STR(aliasNum)) == 0) |
| { |
| fprintf(stderr, "warning(line %d): duplicate alias %s found for standard tag %s between converter %s and converter %s\n", |
| lineNum, alias, GET_TAG_STR(tags[standard].tag), GET_ALIAS_STR(converters[converter].converter), GET_ALIAS_STR(converters[idx].converter)); |
| dupFound = TRUE; |
| break; |
| } |
| } |
| } |
| |
| /* Check for duplicate default aliases for this converter on all tags */ |
| /* It's okay to have multiple standards prefer the same name */ |
| /* if (verbose && !dupFound) { |
| for (idx = 0; idx < tagCount; idx++) { |
| if (tags[idx].aliasList[converter].aliases) { |
| uint16_t aliasNum = tags[idx].aliasList[converter].aliases[0]; |
| if (aliasNum |
| && ucnv_compareNames(alias, GET_ALIAS_STR(aliasNum)) == 0) |
| { |
| fprintf(stderr, "warning(line %d): duplicate alias %s found for converter %s and standard tag %s\n", |
| lineNum, alias, GET_ALIAS_STR(converters[converter].converter), GET_TAG_STR(tags[standard].tag)); |
| break; |
| } |
| } |
| } |
| }*/ |
| } |
| |
| if (aliasList->aliasCount <= 0) { |
| aliasList->aliasCount++; |
| startEmptyWithoutDefault = TRUE; |
| } |
| aliasList->aliases = (uint16_t *)uprv_realloc(aliasList->aliases, (aliasList->aliasCount + 1) * sizeof(aliasList->aliases[0])); |
| if (startEmptyWithoutDefault) { |
| aliasList->aliases[0] = 0; |
| } |
| if (defaultName) { |
| if (aliasList->aliases[0] != 0) { |
| fprintf(stderr, "error(line %d): Alias %s and %s cannot both be the default alias for standard tag %s and converter %s\n", |
| lineNum, |
| alias, |
| GET_ALIAS_STR(aliasList->aliases[0]), |
| GET_TAG_STR(tags[standard].tag), |
| GET_ALIAS_STR(converters[converter].converter)); |
| exit(U_PARSE_ERROR); |
| } |
| aliasList->aliases[0] = GET_ALIAS_NUM(alias); |
| } else { |
| aliasList->aliases[aliasList->aliasCount++] = GET_ALIAS_NUM(alias); |
| } |
| /* aliasList->converter = converter;*/ |
| |
| converters[converter].totalAliasCount++; /* One more to the column */ |
| tags[standard].totalAliasCount++; /* One more to the row */ |
| |
| return aliasList->aliasCount; |
| } |
| |
| static uint16_t |
| addConverter(const char *converter) { |
| uint32_t idx; |
| if(converterCount>=MAX_CONV_COUNT) { |
| fprintf(stderr, "error(line %d): too many converters\n", lineNum); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| |
| for (idx = 0; idx < converterCount; idx++) { |
| if (ucnv_compareNames(converter, GET_ALIAS_STR(converters[idx].converter)) == 0) { |
| fprintf(stderr, "error(line %d): duplicate converter %s found!\n", lineNum, converter); |
| exit(U_PARSE_ERROR); |
| break; |
| } |
| } |
| |
| converters[converterCount].converter = GET_ALIAS_NUM(converter); |
| converters[converterCount].totalAliasCount = 0; |
| |
| return converterCount++; |
| } |
| |
| /* resolve this alias based on the prioritization of the standard tags. */ |
| static void |
| resolveAliasToConverter(uint16_t alias, uint16_t *tagNum, uint16_t *converterNum) { |
| uint16_t idx, idx2, idx3; |
| |
| for (idx = UCNV_NUM_RESERVED_TAGS; idx < tagCount; idx++) { |
| for (idx2 = 0; idx2 < converterCount; idx2++) { |
| for (idx3 = 0; idx3 < tags[idx].aliasList[idx2].aliasCount; idx3++) { |
| uint16_t aliasNum = tags[idx].aliasList[idx2].aliases[idx3]; |
| if (aliasNum == alias) { |
| *tagNum = idx; |
| *converterNum = idx2; |
| return; |
| } |
| } |
| } |
| } |
| /* Do the leftovers last, just in case */ |
| /* There is no need to do the ALL tag */ |
| idx = 0; |
| for (idx2 = 0; idx2 < converterCount; idx2++) { |
| for (idx3 = 0; idx3 < tags[idx].aliasList[idx2].aliasCount; idx3++) { |
| uint16_t aliasNum = tags[idx].aliasList[idx2].aliases[idx3]; |
| if (aliasNum == alias) { |
| *tagNum = idx; |
| *converterNum = idx2; |
| return; |
| } |
| } |
| } |
| *tagNum = UINT16_MAX; |
| *converterNum = UINT16_MAX; |
| fprintf(stderr, "warning: alias %s not found\n", |
| GET_ALIAS_STR(alias)); |
| return; |
| } |
| |
| /* The knownAliases should be sorted before calling this function */ |
| static uint32_t |
| resolveAliases(uint16_t *uniqueAliasArr, uint16_t *uniqueAliasToConverterArr, uint16_t aliasOffset) { |
| uint32_t uniqueAliasIdx = 0; |
| uint32_t idx; |
| uint16_t currTagNum, oldTagNum; |
| uint16_t currConvNum, oldConvNum; |
| const char *lastName; |
| |
| resolveAliasToConverter(knownAliases[0], &oldTagNum, &currConvNum); |
| uniqueAliasToConverterArr[uniqueAliasIdx] = currConvNum; |
| oldConvNum = currConvNum; |
| uniqueAliasArr[uniqueAliasIdx] = knownAliases[0] + aliasOffset; |
| uniqueAliasIdx++; |
| lastName = GET_ALIAS_STR(knownAliases[0]); |
| |
| for (idx = 1; idx < knownAliasesCount; idx++) { |
| resolveAliasToConverter(knownAliases[idx], &currTagNum, &currConvNum); |
| if (ucnv_compareNames(lastName, GET_ALIAS_STR(knownAliases[idx])) == 0) { |
| /* duplicate found */ |
| if ((currTagNum < oldTagNum && currTagNum >= UCNV_NUM_RESERVED_TAGS) |
| || oldTagNum == 0) { |
| oldTagNum = currTagNum; |
| uniqueAliasToConverterArr[uniqueAliasIdx - 1] = currConvNum; |
| uniqueAliasArr[uniqueAliasIdx - 1] = knownAliases[idx] + aliasOffset; |
| if (verbose) { |
| printf("using %s instead of %s -> %s", |
| GET_ALIAS_STR(knownAliases[idx]), |
| lastName, |
| GET_ALIAS_STR(converters[currConvNum].converter)); |
| if (oldConvNum != currConvNum) { |
| printf(" (alias conflict)"); |
| } |
| puts(""); |
| } |
| } |
| else { |
| /* else ignore it */ |
| if (verbose) { |
| printf("folding %s into %s -> %s", |
| GET_ALIAS_STR(knownAliases[idx]), |
| lastName, |
| GET_ALIAS_STR(converters[oldConvNum].converter)); |
| if (oldConvNum != currConvNum) { |
| printf(" (alias conflict)"); |
| } |
| puts(""); |
| } |
| } |
| if (oldConvNum != currConvNum) { |
| uniqueAliasToConverterArr[uniqueAliasIdx - 1] |= UCNV_AMBIGUOUS_ALIAS_MAP_BIT; |
| } |
| } |
| else { |
| uniqueAliasToConverterArr[uniqueAliasIdx] = currConvNum; |
| oldConvNum = currConvNum; |
| uniqueAliasArr[uniqueAliasIdx] = knownAliases[idx] + aliasOffset; |
| uniqueAliasIdx++; |
| lastName = GET_ALIAS_STR(knownAliases[idx]); |
| oldTagNum = currTagNum; |
| /*printf("%s -> %s\n", GET_ALIAS_STR(knownAliases[idx]), GET_ALIAS_STR(converters[currConvNum].converter));*/ |
| } |
| } |
| return uniqueAliasIdx; |
| } |
| |
| static void |
| createOneAliasList(uint16_t *aliasArrLists, uint32_t tag, uint32_t converter, uint16_t offset) { |
| uint32_t aliasNum; |
| AliasList *aliasList = &tags[tag].aliasList[converter]; |
| |
| if (aliasList->aliasCount == 0) { |
| aliasArrLists[tag*converterCount + converter] = 0; |
| } |
| else { |
| aliasLists[aliasListsSize++] = aliasList->aliasCount; |
| |
| /* write into the array area a 1's based index. */ |
| aliasArrLists[tag*converterCount + converter] = aliasListsSize; |
| |
| /* printf("tag %s converter %s\n", |
| GET_TAG_STR(tags[tag].tag), |
| GET_ALIAS_STR(converters[converter].converter));*/ |
| for (aliasNum = 0; aliasNum < aliasList->aliasCount; aliasNum++) { |
| uint16_t value; |
| /* printf(" %s\n", |
| GET_ALIAS_STR(aliasList->aliases[aliasNum]));*/ |
| if (aliasList->aliases[aliasNum]) { |
| value = aliasList->aliases[aliasNum] + offset; |
| } else { |
| value = 0; |
| if (tag != 0) { /* Only show the warning when it's not the leftover tag. */ |
| printf("warning: tag %s does not have a default alias for %s\n", |
| GET_TAG_STR(tags[tag].tag), |
| GET_ALIAS_STR(converters[converter].converter)); |
| } |
| } |
| aliasLists[aliasListsSize++] = value; |
| if (aliasListsSize >= MAX_LIST_SIZE) { |
| fprintf(stderr, "error: Too many alias lists\n"); |
| exit(U_BUFFER_OVERFLOW_ERROR); |
| } |
| |
| } |
| } |
| } |
| |
| static void |
| writeAliasTable(UNewDataMemory *out) { |
| uint32_t i, j; |
| uint32_t uniqueAliasesSize; |
| uint16_t aliasOffset = (uint16_t)(tagBlock.top/sizeof(uint16_t)); |
| uint16_t *aliasArrLists = (uint16_t *)uprv_malloc(tagCount * converterCount * sizeof(uint16_t)); |
| uint16_t *uniqueAliases = (uint16_t *)uprv_malloc(knownAliasesCount * sizeof(uint16_t)); |
| uint16_t *uniqueAliasesToConverter = (uint16_t *)uprv_malloc(knownAliasesCount * sizeof(uint16_t)); |
| |
| qsort(knownAliases, knownAliasesCount, sizeof(knownAliases[0]), compareAliases); |
| uniqueAliasesSize = resolveAliases(uniqueAliases, uniqueAliasesToConverter, aliasOffset); |
| |
| /* Array index starts at 1. aliasLists[0] is the size of the lists section. */ |
| aliasListsSize = 0; |
| |
| /* write the offsets of all the aliases lists in a 2D array, and create the lists. */ |
| for (i = 0; i < tagCount; ++i) { |
| for (j = 0; j < converterCount; ++j) { |
| createOneAliasList(aliasArrLists, i, j, aliasOffset); |
| } |
| } |
| |
| /* Write the size of the TOC */ |
| udata_write32(out, 8); |
| |
| /* Write the sizes of each section */ |
| /* All sizes are the number of uint16_t units, not bytes */ |
| udata_write32(out, converterCount); |
| udata_write32(out, tagCount); |
| udata_write32(out, uniqueAliasesSize); /* list of aliases */ |
| udata_write32(out, uniqueAliasesSize); /* The preresolved form of mapping an untagged the alias to a converter */ |
| udata_write32(out, tagCount * converterCount); |
| udata_write32(out, aliasListsSize + 1); |
| udata_write32(out, 0); /* Reserved space. */ |
| udata_write32(out, (tagBlock.top + stringBlock.top) / sizeof(uint16_t)); |
| |
| /* write the table of converters */ |
| /* Think of this as the column headers */ |
| for(i=0; i<converterCount; ++i) { |
| udata_write16(out, (uint16_t)(converters[i].converter + aliasOffset)); |
| } |
| |
| /* write the table of tags */ |
| /* Think of this as the row headers */ |
| for(i=UCNV_NUM_RESERVED_TAGS; i<tagCount; ++i) { |
| udata_write16(out, tags[i].tag); |
| } |
| /* The empty tag is considered the leftover list, and put that at the end of the priority list. */ |
| udata_write16(out, tags[EMPTY_TAG_NUM].tag); |
| udata_write16(out, tags[ALL_TAG_NUM].tag); |
| |
| /* Write the unique list of aliases */ |
| udata_writeBlock(out, uniqueAliases, uniqueAliasesSize * sizeof(uint16_t)); |
| |
| /* Write the unique list of aliases */ |
| udata_writeBlock(out, uniqueAliasesToConverter, uniqueAliasesSize * sizeof(uint16_t)); |
| |
| /* Write the array to the lists */ |
| udata_writeBlock(out, (const void *)(aliasArrLists + (2*converterCount)), (((tagCount - 2) * converterCount) * sizeof(uint16_t))); |
| /* Now write the leftover part of the array for the EMPTY and ALL lists */ |
| udata_writeBlock(out, (const void *)aliasArrLists, (2 * converterCount * sizeof(uint16_t))); |
| |
| /* Offset the next array to make the index start at 1. */ |
| udata_write16(out, 0xDEAD); |
| |
| /* Write the lists */ |
| udata_writeBlock(out, (const void *)aliasLists, aliasListsSize * sizeof(uint16_t)); |
| |
| /* write the tags strings */ |
| udata_writeString(out, tagBlock.store, tagBlock.top); |
| |
| /* write the aliases strings */ |
| udata_writeString(out, stringBlock.store, stringBlock.top); |
| |
| uprv_free(aliasArrLists); |
| uprv_free(uniqueAliases); |
| } |
| |
| static char * |
| allocString(StringBlock *block, const char *s, int32_t length) { |
| uint32_t top; |
| char *p; |
| |
| if(length<0) { |
| length=(int32_t)uprv_strlen(s); |
| } |
| |
| /* |
| * add 1 for the terminating NUL |
| * and round up (+1 &~1) |
| * to keep the addresses on a 16-bit boundary |
| */ |
| top=block->top + (uint32_t)((length + 1 + 1) & ~1); |
| |
| if(top >= block->max) { |
| fprintf(stderr, "error(line %d): out of memory\n", lineNum); |
| exit(U_MEMORY_ALLOCATION_ERROR); |
| } |
| |
| /* get the pointer and copy the string */ |
| p = block->store + block->top; |
| uprv_memcpy(p, s, length); |
| p[length] = 0; /* NUL-terminate it */ |
| if((length & 1) == 0) { |
| p[length + 1] = 0; /* set the padding byte */ |
| } |
| |
| /* check for invariant characters now that we have a NUL-terminated string for easy output */ |
| if(!uprv_isInvariantString(p, length)) { |
| fprintf(stderr, "error(line %d): the name %s contains not just invariant characters\n", lineNum, p); |
| exit(U_INVALID_TABLE_FORMAT); |
| } |
| |
| block->top = top; |
| return p; |
| } |
| |
| static int |
| compareAliases(const void *alias1, const void *alias2) { |
| /* Names like IBM850 and ibm-850 need to be sorted together */ |
| int result = ucnv_compareNames(GET_ALIAS_STR(*(uint16_t*)alias1), GET_ALIAS_STR(*(uint16_t*)alias2)); |
| if (!result) { |
| /* Sort the shortest first */ |
| return (int)uprv_strlen(GET_ALIAS_STR(*(uint16_t*)alias1)) - (int)uprv_strlen(GET_ALIAS_STR(*(uint16_t*)alias2)); |
| } |
| return result; |
| } |
| |
| /* |
| * Hey, Emacs, please set the following: |
| * |
| * Local Variables: |
| * indent-tabs-mode: nil |
| * End: |
| * |
| */ |
| |
