| /* |
| ******************************************************************************* |
| * |
| * Copyright (C) 1998-2015, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ******************************************************************************* |
| * |
| * File parse.cpp |
| * |
| * Modification History: |
| * |
| * Date Name Description |
| * 05/26/99 stephen Creation. |
| * 02/25/00 weiv Overhaul to write udata |
| * 5/10/01 Ram removed ustdio dependency |
| * 06/10/2001 Dominic Ludlam <dom@recoil.org> Rewritten |
| ******************************************************************************* |
| */ |
| |
| // Safer use of UnicodeString. |
| #ifndef UNISTR_FROM_CHAR_EXPLICIT |
| # define UNISTR_FROM_CHAR_EXPLICIT explicit |
| #endif |
| |
| // Less important, but still a good idea. |
| #ifndef UNISTR_FROM_STRING_EXPLICIT |
| # define UNISTR_FROM_STRING_EXPLICIT explicit |
| #endif |
| |
| #include <assert.h> |
| #include "parse.h" |
| #include "errmsg.h" |
| #include "uhash.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "uinvchar.h" |
| #include "read.h" |
| #include "ustr.h" |
| #include "reslist.h" |
| #include "rbt_pars.h" |
| #include "genrb.h" |
| #include "unicode/stringpiece.h" |
| #include "unicode/unistr.h" |
| #include "unicode/ustring.h" |
| #include "unicode/uscript.h" |
| #include "unicode/utf16.h" |
| #include "unicode/putil.h" |
| #include "charstr.h" |
| #include "collationbuilder.h" |
| #include "collationdata.h" |
| #include "collationdatareader.h" |
| #include "collationdatawriter.h" |
| #include "collationfastlatinbuilder.h" |
| #include "collationinfo.h" |
| #include "collationroot.h" |
| #include "collationruleparser.h" |
| #include "collationtailoring.h" |
| #include <stdio.h> |
| |
| /* Number of tokens to read ahead of the current stream position */ |
| #define MAX_LOOKAHEAD 3 |
| |
| #define CR 0x000D |
| #define LF 0x000A |
| #define SPACE 0x0020 |
| #define TAB 0x0009 |
| #define ESCAPE 0x005C |
| #define HASH 0x0023 |
| #define QUOTE 0x0027 |
| #define ZERO 0x0030 |
| #define STARTCOMMAND 0x005B |
| #define ENDCOMMAND 0x005D |
| #define OPENSQBRACKET 0x005B |
| #define CLOSESQBRACKET 0x005D |
| |
| using icu::CharString; |
| using icu::LocalMemory; |
| using icu::LocalPointer; |
| using icu::LocalUCHARBUFPointer; |
| using icu::StringPiece; |
| using icu::UnicodeString; |
| |
| struct Lookahead |
| { |
| enum ETokenType type; |
| struct UString value; |
| struct UString comment; |
| uint32_t line; |
| }; |
| |
| /* keep in sync with token defines in read.h */ |
| const char *tokenNames[TOK_TOKEN_COUNT] = |
| { |
| "string", /* A string token, such as "MonthNames" */ |
| "'{'", /* An opening brace character */ |
| "'}'", /* A closing brace character */ |
| "','", /* A comma */ |
| "':'", /* A colon */ |
| |
| "<end of file>", /* End of the file has been reached successfully */ |
| "<end of line>" |
| }; |
| |
| /* Just to store "TRUE" */ |
| //static const UChar trueValue[] = {0x0054, 0x0052, 0x0055, 0x0045, 0x0000}; |
| |
| typedef struct { |
| struct Lookahead lookahead[MAX_LOOKAHEAD + 1]; |
| uint32_t lookaheadPosition; |
| UCHARBUF *buffer; |
| struct SRBRoot *bundle; |
| const char *inputdir; |
| uint32_t inputdirLength; |
| const char *outputdir; |
| uint32_t outputdirLength; |
| const char *filename; |
| UBool makeBinaryCollation; |
| UBool omitCollationRules; |
| } ParseState; |
| |
| typedef struct SResource * |
| ParseResourceFunction(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status); |
| |
| static struct SResource *parseResource(ParseState* state, char *tag, const struct UString *comment, UErrorCode *status); |
| |
| /* The nature of the lookahead buffer: |
| There are MAX_LOOKAHEAD + 1 slots, used as a circular buffer. This provides |
| MAX_LOOKAHEAD lookahead tokens and a slot for the current token and value. |
| When getToken is called, the current pointer is moved to the next slot and the |
| old slot is filled with the next token from the reader by calling getNextToken. |
| The token values are stored in the slot, which means that token values don't |
| survive a call to getToken, ie. |
| |
| UString *value; |
| |
| getToken(&value, NULL, status); |
| getToken(NULL, NULL, status); bad - value is now a different string |
| */ |
| static void |
| initLookahead(ParseState* state, UCHARBUF *buf, UErrorCode *status) |
| { |
| static uint32_t initTypeStrings = 0; |
| uint32_t i; |
| |
| if (!initTypeStrings) |
| { |
| initTypeStrings = 1; |
| } |
| |
| state->lookaheadPosition = 0; |
| state->buffer = buf; |
| |
| resetLineNumber(); |
| |
| for (i = 0; i < MAX_LOOKAHEAD; i++) |
| { |
| state->lookahead[i].type = getNextToken(state->buffer, &state->lookahead[i].value, &state->lookahead[i].line, &state->lookahead[i].comment, status); |
| if (U_FAILURE(*status)) |
| { |
| return; |
| } |
| } |
| |
| *status = U_ZERO_ERROR; |
| } |
| |
| static void |
| cleanupLookahead(ParseState* state) |
| { |
| uint32_t i; |
| for (i = 0; i <= MAX_LOOKAHEAD; i++) |
| { |
| ustr_deinit(&state->lookahead[i].value); |
| ustr_deinit(&state->lookahead[i].comment); |
| } |
| |
| } |
| |
| static enum ETokenType |
| getToken(ParseState* state, struct UString **tokenValue, struct UString* comment, uint32_t *linenumber, UErrorCode *status) |
| { |
| enum ETokenType result; |
| uint32_t i; |
| |
| result = state->lookahead[state->lookaheadPosition].type; |
| |
| if (tokenValue != NULL) |
| { |
| *tokenValue = &state->lookahead[state->lookaheadPosition].value; |
| } |
| |
| if (linenumber != NULL) |
| { |
| *linenumber = state->lookahead[state->lookaheadPosition].line; |
| } |
| |
| if (comment != NULL) |
| { |
| ustr_cpy(comment, &(state->lookahead[state->lookaheadPosition].comment), status); |
| } |
| |
| i = (state->lookaheadPosition + MAX_LOOKAHEAD) % (MAX_LOOKAHEAD + 1); |
| state->lookaheadPosition = (state->lookaheadPosition + 1) % (MAX_LOOKAHEAD + 1); |
| ustr_setlen(&state->lookahead[i].comment, 0, status); |
| ustr_setlen(&state->lookahead[i].value, 0, status); |
| state->lookahead[i].type = getNextToken(state->buffer, &state->lookahead[i].value, &state->lookahead[i].line, &state->lookahead[i].comment, status); |
| |
| /* printf("getToken, returning %s\n", tokenNames[result]); */ |
| |
| return result; |
| } |
| |
| static enum ETokenType |
| peekToken(ParseState* state, uint32_t lookaheadCount, struct UString **tokenValue, uint32_t *linenumber, struct UString *comment, UErrorCode *status) |
| { |
| uint32_t i = (state->lookaheadPosition + lookaheadCount) % (MAX_LOOKAHEAD + 1); |
| |
| if (U_FAILURE(*status)) |
| { |
| return TOK_ERROR; |
| } |
| |
| if (lookaheadCount >= MAX_LOOKAHEAD) |
| { |
| *status = U_INTERNAL_PROGRAM_ERROR; |
| return TOK_ERROR; |
| } |
| |
| if (tokenValue != NULL) |
| { |
| *tokenValue = &state->lookahead[i].value; |
| } |
| |
| if (linenumber != NULL) |
| { |
| *linenumber = state->lookahead[i].line; |
| } |
| |
| if(comment != NULL){ |
| ustr_cpy(comment, &(state->lookahead[state->lookaheadPosition].comment), status); |
| } |
| |
| return state->lookahead[i].type; |
| } |
| |
| static void |
| expect(ParseState* state, enum ETokenType expectedToken, struct UString **tokenValue, struct UString *comment, uint32_t *linenumber, UErrorCode *status) |
| { |
| uint32_t line; |
| |
| enum ETokenType token = getToken(state, tokenValue, comment, &line, status); |
| |
| if (linenumber != NULL) |
| { |
| *linenumber = line; |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| return; |
| } |
| |
| if (token != expectedToken) |
| { |
| *status = U_INVALID_FORMAT_ERROR; |
| error(line, "expecting %s, got %s", tokenNames[expectedToken], tokenNames[token]); |
| } |
| else |
| { |
| *status = U_ZERO_ERROR; |
| } |
| } |
| |
| static char *getInvariantString(ParseState* state, uint32_t *line, struct UString *comment, UErrorCode *status) |
| { |
| struct UString *tokenValue; |
| char *result; |
| uint32_t count; |
| |
| expect(state, TOK_STRING, &tokenValue, comment, line, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| count = u_strlen(tokenValue->fChars); |
| if(!uprv_isInvariantUString(tokenValue->fChars, count)) { |
| *status = U_INVALID_FORMAT_ERROR; |
| error(*line, "invariant characters required for table keys, binary data, etc."); |
| return NULL; |
| } |
| |
| result = static_cast<char *>(uprv_malloc(count+1)); |
| |
| if (result == NULL) |
| { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, result, count+1); |
| return result; |
| } |
| |
| static struct SResource * |
| parseUCARules(ParseState* state, char *tag, uint32_t startline, const struct UString* /*comment*/, UErrorCode *status) |
| { |
| struct SResource *result = NULL; |
| struct UString *tokenValue; |
| FileStream *file = NULL; |
| char filename[256] = { '\0' }; |
| char cs[128] = { '\0' }; |
| uint32_t line; |
| UBool quoted = FALSE; |
| UCHARBUF *ucbuf=NULL; |
| UChar32 c = 0; |
| const char* cp = NULL; |
| UChar *pTarget = NULL; |
| UChar *target = NULL; |
| UChar *targetLimit = NULL; |
| int32_t size = 0; |
| |
| expect(state, TOK_STRING, &tokenValue, NULL, &line, status); |
| |
| if(isVerbose()){ |
| printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| /* make the filename including the directory */ |
| if (state->inputdir != NULL) |
| { |
| uprv_strcat(filename, state->inputdir); |
| |
| if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) |
| { |
| uprv_strcat(filename, U_FILE_SEP_STRING); |
| } |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| uprv_strcat(filename, cs); |
| |
| if(state->omitCollationRules) { |
| return res_none(); |
| } |
| |
| ucbuf = ucbuf_open(filename, &cp, getShowWarning(),FALSE, status); |
| |
| if (U_FAILURE(*status)) { |
| error(line, "An error occured while opening the input file %s\n", filename); |
| return NULL; |
| } |
| |
| /* We allocate more space than actually required |
| * since the actual size needed for storing UChars |
| * is not known in UTF-8 byte stream |
| */ |
| size = ucbuf_size(ucbuf) + 1; |
| pTarget = (UChar*) uprv_malloc(U_SIZEOF_UCHAR * size); |
| uprv_memset(pTarget, 0, size*U_SIZEOF_UCHAR); |
| target = pTarget; |
| targetLimit = pTarget+size; |
| |
| /* read the rules into the buffer */ |
| while (target < targetLimit) |
| { |
| c = ucbuf_getc(ucbuf, status); |
| if(c == QUOTE) { |
| quoted = (UBool)!quoted; |
| } |
| /* weiv (06/26/2002): adding the following: |
| * - preserving spaces in commands [...] |
| * - # comments until the end of line |
| */ |
| if (c == STARTCOMMAND && !quoted) |
| { |
| /* preserve commands |
| * closing bracket will be handled by the |
| * append at the end of the loop |
| */ |
| while(c != ENDCOMMAND) { |
| U_APPEND_CHAR32_ONLY(c, target); |
| c = ucbuf_getc(ucbuf, status); |
| } |
| } |
| else if (c == HASH && !quoted) { |
| /* skip comments */ |
| while(c != CR && c != LF) { |
| c = ucbuf_getc(ucbuf, status); |
| } |
| continue; |
| } |
| else if (c == ESCAPE) |
| { |
| c = unescape(ucbuf, status); |
| |
| if (c == (UChar32)U_ERR) |
| { |
| uprv_free(pTarget); |
| T_FileStream_close(file); |
| return NULL; |
| } |
| } |
| else if (!quoted && (c == SPACE || c == TAB || c == CR || c == LF)) |
| { |
| /* ignore spaces carriage returns |
| * and line feed unless in the form \uXXXX |
| */ |
| continue; |
| } |
| |
| /* Append UChar * after dissembling if c > 0xffff*/ |
| if (c != (UChar32)U_EOF) |
| { |
| U_APPEND_CHAR32_ONLY(c, target); |
| } |
| else |
| { |
| break; |
| } |
| } |
| |
| /* terminate the string */ |
| if(target < targetLimit){ |
| *target = 0x0000; |
| } |
| |
| result = string_open(state->bundle, tag, pTarget, (int32_t)(target - pTarget), NULL, status); |
| |
| |
| ucbuf_close(ucbuf); |
| uprv_free(pTarget); |
| T_FileStream_close(file); |
| |
| return result; |
| } |
| |
| static struct SResource * |
| parseTransliterator(ParseState* state, char *tag, uint32_t startline, const struct UString* /*comment*/, UErrorCode *status) |
| { |
| struct SResource *result = NULL; |
| struct UString *tokenValue; |
| FileStream *file = NULL; |
| char filename[256] = { '\0' }; |
| char cs[128] = { '\0' }; |
| uint32_t line; |
| UCHARBUF *ucbuf=NULL; |
| const char* cp = NULL; |
| UChar *pTarget = NULL; |
| const UChar *pSource = NULL; |
| int32_t size = 0; |
| |
| expect(state, TOK_STRING, &tokenValue, NULL, &line, status); |
| |
| if(isVerbose()){ |
| printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| /* make the filename including the directory */ |
| if (state->inputdir != NULL) |
| { |
| uprv_strcat(filename, state->inputdir); |
| |
| if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) |
| { |
| uprv_strcat(filename, U_FILE_SEP_STRING); |
| } |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| uprv_strcat(filename, cs); |
| |
| |
| ucbuf = ucbuf_open(filename, &cp, getShowWarning(),FALSE, status); |
| |
| if (U_FAILURE(*status)) { |
| error(line, "An error occured while opening the input file %s\n", filename); |
| return NULL; |
| } |
| |
| /* We allocate more space than actually required |
| * since the actual size needed for storing UChars |
| * is not known in UTF-8 byte stream |
| */ |
| pSource = ucbuf_getBuffer(ucbuf, &size, status); |
| pTarget = (UChar*) uprv_malloc(U_SIZEOF_UCHAR * (size + 1)); |
| uprv_memset(pTarget, 0, size*U_SIZEOF_UCHAR); |
| |
| #if !UCONFIG_NO_TRANSLITERATION |
| size = utrans_stripRules(pSource, size, pTarget, status); |
| #else |
| size = 0; |
| fprintf(stderr, " Warning: writing empty transliteration data ( UCONFIG_NO_TRANSLITERATION ) \n"); |
| #endif |
| result = string_open(state->bundle, tag, pTarget, size, NULL, status); |
| |
| ucbuf_close(ucbuf); |
| uprv_free(pTarget); |
| T_FileStream_close(file); |
| |
| return result; |
| } |
| static ArrayResource* dependencyArray = NULL; |
| |
| static struct SResource * |
| parseDependency(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) |
| { |
| struct SResource *result = NULL; |
| struct SResource *elem = NULL; |
| struct UString *tokenValue; |
| uint32_t line; |
| char filename[256] = { '\0' }; |
| char cs[128] = { '\0' }; |
| |
| expect(state, TOK_STRING, &tokenValue, NULL, &line, status); |
| |
| if(isVerbose()){ |
| printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| /* make the filename including the directory */ |
| if (state->outputdir != NULL) |
| { |
| uprv_strcat(filename, state->outputdir); |
| |
| if (state->outputdir[state->outputdirLength - 1] != U_FILE_SEP_CHAR) |
| { |
| uprv_strcat(filename, U_FILE_SEP_STRING); |
| } |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| uprv_strcat(filename, cs); |
| if(!T_FileStream_file_exists(filename)){ |
| if(isStrict()){ |
| error(line, "The dependency file %s does not exist. Please make sure it exists.\n",filename); |
| }else{ |
| warning(line, "The dependency file %s does not exist. Please make sure it exists.\n",filename); |
| } |
| } |
| if(dependencyArray==NULL){ |
| dependencyArray = array_open(state->bundle, "%%DEPENDENCY", NULL, status); |
| } |
| if(tag!=NULL){ |
| result = string_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); |
| } |
| elem = string_open(state->bundle, NULL, tokenValue->fChars, tokenValue->fLength, comment, status); |
| |
| dependencyArray->add(elem); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| return result; |
| } |
| static struct SResource * |
| parseString(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) |
| { |
| struct UString *tokenValue; |
| struct SResource *result = NULL; |
| |
| /* if (tag != NULL && uprv_strcmp(tag, "%%UCARULES") == 0) |
| { |
| return parseUCARules(tag, startline, status); |
| }*/ |
| if(isVerbose()){ |
| printf(" string %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| expect(state, TOK_STRING, &tokenValue, NULL, NULL, status); |
| |
| if (U_SUCCESS(*status)) |
| { |
| /* create the string now - tokenValue doesn't survive a call to getToken (and therefore |
| doesn't survive expect either) */ |
| |
| result = string_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); |
| if(U_SUCCESS(*status) && result) { |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| static struct SResource * |
| parseAlias(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| struct UString *tokenValue; |
| struct SResource *result = NULL; |
| |
| expect(state, TOK_STRING, &tokenValue, NULL, NULL, status); |
| |
| if(isVerbose()){ |
| printf(" alias %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| if (U_SUCCESS(*status)) |
| { |
| /* create the string now - tokenValue doesn't survive a call to getToken (and therefore |
| doesn't survive expect either) */ |
| |
| result = alias_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| } |
| |
| return result; |
| } |
| |
| #if !UCONFIG_NO_COLLATION |
| |
| namespace { |
| |
| static struct SResource* resLookup(struct SResource* res, const char* key){ |
| if (res == res_none() || !res->isTable()) { |
| return NULL; |
| } |
| |
| TableResource *list = static_cast<TableResource *>(res); |
| SResource *current = list->fFirst; |
| while (current != NULL) { |
| if (uprv_strcmp(((list->fRoot->fKeys) + (current->fKey)), key) == 0) { |
| return current; |
| } |
| current = current->fNext; |
| } |
| return NULL; |
| } |
| |
| class GenrbImporter : public icu::CollationRuleParser::Importer { |
| public: |
| GenrbImporter(const char *in, const char *out) : inputDir(in), outputDir(out) {} |
| virtual ~GenrbImporter(); |
| virtual void getRules( |
| const char *localeID, const char *collationType, |
| UnicodeString &rules, |
| const char *&errorReason, UErrorCode &errorCode); |
| |
| private: |
| const char *inputDir; |
| const char *outputDir; |
| }; |
| |
| GenrbImporter::~GenrbImporter() {} |
| |
| void |
| GenrbImporter::getRules( |
| const char *localeID, const char *collationType, |
| UnicodeString &rules, |
| const char *& /*errorReason*/, UErrorCode &errorCode) { |
| CharString filename(localeID, errorCode); |
| for(int32_t i = 0; i < filename.length(); i++){ |
| if(filename[i] == '-'){ |
| filename.data()[i] = '_'; |
| } |
| } |
| filename.append(".txt", errorCode); |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| CharString inputDirBuf; |
| CharString openFileName; |
| if(inputDir == NULL) { |
| const char *filenameBegin = uprv_strrchr(filename.data(), U_FILE_SEP_CHAR); |
| if (filenameBegin != NULL) { |
| /* |
| * When a filename ../../../data/root.txt is specified, |
| * we presume that the input directory is ../../../data |
| * This is very important when the resource file includes |
| * another file, like UCARules.txt or thaidict.brk. |
| */ |
| StringPiece dir = filename.toStringPiece(); |
| const char *filenameLimit = filename.data() + filename.length(); |
| dir.remove_suffix((int32_t)(filenameLimit - filenameBegin)); |
| inputDirBuf.append(dir, errorCode); |
| inputDir = inputDirBuf.data(); |
| } |
| }else{ |
| int32_t dirlen = (int32_t)uprv_strlen(inputDir); |
| |
| if((filename[0] != U_FILE_SEP_CHAR) && (inputDir[dirlen-1] !='.')) { |
| /* |
| * append the input dir to openFileName if the first char in |
| * filename is not file separator char and the last char input directory is not '.'. |
| * This is to support : |
| * genrb -s. /home/icu/data |
| * genrb -s. icu/data |
| * The user cannot mix notations like |
| * genrb -s. /icu/data --- the absolute path specified. -s redundant |
| * user should use |
| * genrb -s. icu/data --- start from CWD and look in icu/data dir |
| */ |
| openFileName.append(inputDir, dirlen, errorCode); |
| if(inputDir[dirlen-1] != U_FILE_SEP_CHAR) { |
| openFileName.append(U_FILE_SEP_CHAR, errorCode); |
| } |
| } |
| } |
| openFileName.append(filename, errorCode); |
| if(U_FAILURE(errorCode)) { |
| return; |
| } |
| // printf("GenrbImporter::getRules(%s, %s) reads %s\n", localeID, collationType, openFileName.data()); |
| const char* cp = ""; |
| LocalUCHARBUFPointer ucbuf( |
| ucbuf_open(openFileName.data(), &cp, getShowWarning(), TRUE, &errorCode)); |
| if(errorCode == U_FILE_ACCESS_ERROR) { |
| fprintf(stderr, "couldn't open file %s\n", openFileName.data()); |
| return; |
| } |
| if (ucbuf.isNull() || U_FAILURE(errorCode)) { |
| fprintf(stderr, "An error occured processing file %s. Error: %s\n", openFileName.data(), u_errorName(errorCode)); |
| return; |
| } |
| |
| /* Parse the data into an SRBRoot */ |
| struct SRBRoot *data = |
| parse(ucbuf.getAlias(), inputDir, outputDir, filename.data(), FALSE, FALSE, &errorCode); |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| |
| struct SResource *root = data->fRoot; |
| struct SResource *collations = resLookup(root, "collations"); |
| if (collations != NULL) { |
| struct SResource *collation = resLookup(collations, collationType); |
| if (collation != NULL) { |
| struct SResource *sequence = resLookup(collation, "Sequence"); |
| if (sequence != NULL && sequence->isString()) { |
| // No string pointer aliasing so that we need not hold onto the resource bundle. |
| StringResource *sr = static_cast<StringResource *>(sequence); |
| rules = sr->fString; |
| } |
| } |
| } |
| } |
| |
| // Quick-and-dirty escaping function. |
| // Assumes that we are on an ASCII-based platform. |
| static void |
| escape(const UChar *s, char *buffer) { |
| int32_t length = u_strlen(s); |
| int32_t i = 0; |
| for (;;) { |
| UChar32 c; |
| U16_NEXT(s, i, length, c); |
| if (c == 0) { |
| *buffer = 0; |
| return; |
| } else if (0x20 <= c && c <= 0x7e) { |
| // printable ASCII |
| *buffer++ = (char)c; // assumes ASCII-based platform |
| } else { |
| buffer += sprintf(buffer, "\\u%04X", (int)c); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| #endif // !UCONFIG_NO_COLLATION |
| |
| static TableResource * |
| addCollation(ParseState* state, TableResource *result, const char *collationType, |
| uint32_t startline, UErrorCode *status) |
| { |
| // TODO: Use LocalPointer for result, or make caller close it when there is a failure. |
| struct SResource *member = NULL; |
| struct UString *tokenValue; |
| struct UString comment; |
| enum ETokenType token; |
| char subtag[1024]; |
| UnicodeString rules; |
| UBool haveRules = FALSE; |
| UVersionInfo version; |
| uint32_t line; |
| |
| /* '{' . (name resource)* '}' */ |
| version[0]=0; version[1]=0; version[2]=0; version[3]=0; |
| |
| for (;;) |
| { |
| ustr_init(&comment); |
| token = getToken(state, &tokenValue, &comment, &line, status); |
| |
| if (token == TOK_CLOSE_BRACE) |
| { |
| break; |
| } |
| |
| if (token != TOK_STRING) |
| { |
| res_close(result); |
| *status = U_INVALID_FORMAT_ERROR; |
| |
| if (token == TOK_EOF) |
| { |
| error(startline, "unterminated table"); |
| } |
| else |
| { |
| error(line, "Unexpected token %s", tokenNames[token]); |
| } |
| |
| return NULL; |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| member = parseResource(state, subtag, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| if (result == NULL) |
| { |
| // Ignore the parsed resources, continue parsing. |
| } |
| else if (uprv_strcmp(subtag, "Version") == 0 && member->isString()) |
| { |
| StringResource *sr = static_cast<StringResource *>(member); |
| char ver[40]; |
| int32_t length = sr->length(); |
| |
| if (length >= UPRV_LENGTHOF(ver)) |
| { |
| length = UPRV_LENGTHOF(ver) - 1; |
| } |
| |
| sr->fString.extract(0, length, ver, UPRV_LENGTHOF(ver), US_INV); |
| u_versionFromString(version, ver); |
| |
| result->add(member, line, *status); |
| member = NULL; |
| } |
| else if(uprv_strcmp(subtag, "%%CollationBin")==0) |
| { |
| /* discard duplicate %%CollationBin if any*/ |
| } |
| else if (uprv_strcmp(subtag, "Sequence") == 0 && member->isString()) |
| { |
| StringResource *sr = static_cast<StringResource *>(member); |
| rules = sr->fString; |
| haveRules = TRUE; |
| // Defer building the collator until we have seen |
| // all sub-elements of the collation table, including the Version. |
| /* in order to achieve smaller data files, we can direct genrb */ |
| /* to omit collation rules */ |
| if(!state->omitCollationRules) { |
| result->add(member, line, *status); |
| member = NULL; |
| } |
| } |
| else // Just copy non-special items. |
| { |
| result->add(member, line, *status); |
| member = NULL; |
| } |
| res_close(member); // TODO: use LocalPointer |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| } |
| |
| if (!haveRules) { return result; } |
| |
| #if UCONFIG_NO_COLLATION || UCONFIG_NO_FILE_IO |
| warning(line, "Not building collation elements because of UCONFIG_NO_COLLATION and/or UCONFIG_NO_FILE_IO, see uconfig.h"); |
| (void)collationType; |
| #else |
| // CLDR ticket #3949, ICU ticket #8082: |
| // Do not build collation binary data for for-import-only "private" collation rule strings. |
| if (uprv_strncmp(collationType, "private-", 8) == 0) { |
| if(isVerbose()) { |
| printf("Not building %s~%s collation binary\n", state->filename, collationType); |
| } |
| return result; |
| } |
| |
| if(!state->makeBinaryCollation) { |
| if(isVerbose()) { |
| printf("Not building %s~%s collation binary\n", state->filename, collationType); |
| } |
| return result; |
| } |
| UErrorCode intStatus = U_ZERO_ERROR; |
| UParseError parseError; |
| uprv_memset(&parseError, 0, sizeof(parseError)); |
| GenrbImporter importer(state->inputdir, state->outputdir); |
| const icu::CollationTailoring *base = icu::CollationRoot::getRoot(intStatus); |
| if(U_FAILURE(intStatus)) { |
| error(line, "failed to load root collator (ucadata.icu) - %s", u_errorName(intStatus)); |
| res_close(result); |
| return NULL; // TODO: use LocalUResourceBundlePointer for result |
| } |
| icu::CollationBuilder builder(base, intStatus); |
| if(uprv_strncmp(collationType, "search", 6) == 0) { |
| builder.disableFastLatin(); // build fast-Latin table unless search collator |
| } |
| LocalPointer<icu::CollationTailoring> t( |
| builder.parseAndBuild(rules, version, &importer, &parseError, intStatus)); |
| if(U_FAILURE(intStatus)) { |
| const char *reason = builder.getErrorReason(); |
| if(reason == NULL) { reason = ""; } |
| error(line, "CollationBuilder failed at %s~%s/Sequence rule offset %ld: %s %s", |
| state->filename, collationType, |
| (long)parseError.offset, u_errorName(intStatus), reason); |
| if(parseError.preContext[0] != 0 || parseError.postContext[0] != 0) { |
| // Print pre- and post-context. |
| char preBuffer[100], postBuffer[100]; |
| escape(parseError.preContext, preBuffer); |
| escape(parseError.postContext, postBuffer); |
| error(line, " error context: \"...%s\" ! \"%s...\"", preBuffer, postBuffer); |
| } |
| if(isStrict() || t.isNull()) { |
| *status = intStatus; |
| res_close(result); |
| return NULL; |
| } |
| } |
| icu::LocalMemory<uint8_t> buffer; |
| int32_t capacity = 100000; |
| uint8_t *dest = buffer.allocateInsteadAndCopy(capacity); |
| if(dest == NULL) { |
| fprintf(stderr, "memory allocation (%ld bytes) for file contents failed\n", |
| (long)capacity); |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| res_close(result); |
| return NULL; |
| } |
| int32_t indexes[icu::CollationDataReader::IX_TOTAL_SIZE + 1]; |
| int32_t totalSize = icu::CollationDataWriter::writeTailoring( |
| *t, *t->settings, indexes, dest, capacity, intStatus); |
| if(intStatus == U_BUFFER_OVERFLOW_ERROR) { |
| intStatus = U_ZERO_ERROR; |
| capacity = totalSize; |
| dest = buffer.allocateInsteadAndCopy(capacity); |
| if(dest == NULL) { |
| fprintf(stderr, "memory allocation (%ld bytes) for file contents failed\n", |
| (long)capacity); |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| res_close(result); |
| return NULL; |
| } |
| totalSize = icu::CollationDataWriter::writeTailoring( |
| *t, *t->settings, indexes, dest, capacity, intStatus); |
| } |
| if(U_FAILURE(intStatus)) { |
| fprintf(stderr, "CollationDataWriter::writeTailoring() failed: %s\n", |
| u_errorName(intStatus)); |
| res_close(result); |
| return NULL; |
| } |
| if(isVerbose()) { |
| printf("%s~%s collation tailoring part sizes:\n", state->filename, collationType); |
| icu::CollationInfo::printSizes(totalSize, indexes); |
| if(t->settings->hasReordering()) { |
| printf("%s~%s collation reordering ranges:\n", state->filename, collationType); |
| icu::CollationInfo::printReorderRanges( |
| *t->data, t->settings->reorderCodes, t->settings->reorderCodesLength); |
| } |
| } |
| struct SResource *collationBin = bin_open(state->bundle, "%%CollationBin", totalSize, dest, NULL, NULL, status); |
| result->add(collationBin, line, *status); |
| if (U_FAILURE(*status)) { |
| res_close(result); |
| return NULL; |
| } |
| #endif |
| return result; |
| } |
| |
| static UBool |
| keepCollationType(const char * /*type*/) { |
| return TRUE; |
| } |
| |
| static struct SResource * |
| parseCollationElements(ParseState* state, char *tag, uint32_t startline, UBool newCollation, UErrorCode *status) |
| { |
| TableResource *result = NULL; |
| struct SResource *member = NULL; |
| struct UString *tokenValue; |
| struct UString comment; |
| enum ETokenType token; |
| char subtag[1024], typeKeyword[1024]; |
| uint32_t line; |
| |
| result = table_open(state->bundle, tag, NULL, status); |
| |
| if (result == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| if(isVerbose()){ |
| printf(" collation elements %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| if(!newCollation) { |
| return addCollation(state, result, "(no type)", startline, status); |
| } |
| else { |
| for(;;) { |
| ustr_init(&comment); |
| token = getToken(state, &tokenValue, &comment, &line, status); |
| |
| if (token == TOK_CLOSE_BRACE) |
| { |
| return result; |
| } |
| |
| if (token != TOK_STRING) |
| { |
| res_close(result); |
| *status = U_INVALID_FORMAT_ERROR; |
| |
| if (token == TOK_EOF) |
| { |
| error(startline, "unterminated table"); |
| } |
| else |
| { |
| error(line, "Unexpected token %s", tokenNames[token]); |
| } |
| |
| return NULL; |
| } |
| |
| u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| if (uprv_strcmp(subtag, "default") == 0) |
| { |
| member = parseResource(state, subtag, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| result->add(member, line, *status); |
| } |
| else |
| { |
| token = peekToken(state, 0, &tokenValue, &line, &comment, status); |
| /* this probably needs to be refactored or recursively use the parser */ |
| /* first we assume that our collation table won't have the explicit type */ |
| /* then, we cannot handle aliases */ |
| if(token == TOK_OPEN_BRACE) { |
| token = getToken(state, &tokenValue, &comment, &line, status); |
| TableResource *collationRes; |
| if (keepCollationType(subtag)) { |
| collationRes = table_open(state->bundle, subtag, NULL, status); |
| } else { |
| collationRes = NULL; |
| } |
| // need to parse the collation data regardless |
| collationRes = addCollation(state, collationRes, subtag, startline, status); |
| if (collationRes != NULL) { |
| result->add(collationRes, startline, *status); |
| } |
| } else if(token == TOK_COLON) { /* right now, we'll just try to see if we have aliases */ |
| /* we could have a table too */ |
| token = peekToken(state, 1, &tokenValue, &line, &comment, status); |
| u_UCharsToChars(tokenValue->fChars, typeKeyword, u_strlen(tokenValue->fChars) + 1); |
| if(uprv_strcmp(typeKeyword, "alias") == 0) { |
| member = parseResource(state, subtag, NULL, status); |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| result->add(member, line, *status); |
| } else { |
| res_close(result); |
| *status = U_INVALID_FORMAT_ERROR; |
| return NULL; |
| } |
| } else { |
| res_close(result); |
| *status = U_INVALID_FORMAT_ERROR; |
| return NULL; |
| } |
| } |
| |
| /*member = string_open(bundle, subtag, tokenValue->fChars, tokenValue->fLength, status);*/ |
| |
| /*expect(TOK_CLOSE_BRACE, NULL, NULL, status);*/ |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| } |
| } |
| } |
| |
| /* Necessary, because CollationElements requires the bundle->fRoot member to be present which, |
| if this weren't special-cased, wouldn't be set until the entire file had been processed. */ |
| static struct SResource * |
| realParseTable(ParseState* state, TableResource *table, char *tag, uint32_t startline, UErrorCode *status) |
| { |
| struct SResource *member = NULL; |
| struct UString *tokenValue=NULL; |
| struct UString comment; |
| enum ETokenType token; |
| char subtag[1024]; |
| uint32_t line; |
| UBool readToken = FALSE; |
| |
| /* '{' . (name resource)* '}' */ |
| |
| if(isVerbose()){ |
| printf(" parsing table %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| for (;;) |
| { |
| ustr_init(&comment); |
| token = getToken(state, &tokenValue, &comment, &line, status); |
| |
| if (token == TOK_CLOSE_BRACE) |
| { |
| if (!readToken) { |
| warning(startline, "Encountered empty table"); |
| } |
| return table; |
| } |
| |
| if (token != TOK_STRING) |
| { |
| *status = U_INVALID_FORMAT_ERROR; |
| |
| if (token == TOK_EOF) |
| { |
| error(startline, "unterminated table"); |
| } |
| else |
| { |
| error(line, "unexpected token %s", tokenNames[token]); |
| } |
| |
| return NULL; |
| } |
| |
| if(uprv_isInvariantUString(tokenValue->fChars, -1)) { |
| u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); |
| } else { |
| *status = U_INVALID_FORMAT_ERROR; |
| error(line, "invariant characters required for table keys"); |
| return NULL; |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| error(line, "parse error. Stopped parsing tokens with %s", u_errorName(*status)); |
| return NULL; |
| } |
| |
| member = parseResource(state, subtag, &comment, status); |
| |
| if (member == NULL || U_FAILURE(*status)) |
| { |
| error(line, "parse error. Stopped parsing resource with %s", u_errorName(*status)); |
| return NULL; |
| } |
| |
| table->add(member, line, *status); |
| |
| if (U_FAILURE(*status)) |
| { |
| error(line, "parse error. Stopped parsing table with %s", u_errorName(*status)); |
| return NULL; |
| } |
| readToken = TRUE; |
| ustr_deinit(&comment); |
| } |
| |
| /* not reached */ |
| /* A compiler warning will appear if all paths don't contain a return statement. */ |
| /* *status = U_INTERNAL_PROGRAM_ERROR; |
| return NULL;*/ |
| } |
| |
| static struct SResource * |
| parseTable(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| if (tag != NULL && uprv_strcmp(tag, "CollationElements") == 0) |
| { |
| return parseCollationElements(state, tag, startline, FALSE, status); |
| } |
| if (tag != NULL && uprv_strcmp(tag, "collations") == 0) |
| { |
| return parseCollationElements(state, tag, startline, TRUE, status); |
| } |
| if(isVerbose()){ |
| printf(" table %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| TableResource *result = table_open(state->bundle, tag, comment, status); |
| |
| if (result == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| return realParseTable(state, result, tag, startline, status); |
| } |
| |
| static struct SResource * |
| parseArray(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| struct SResource *member = NULL; |
| struct UString *tokenValue; |
| struct UString memberComments; |
| enum ETokenType token; |
| UBool readToken = FALSE; |
| |
| ArrayResource *result = array_open(state->bundle, tag, comment, status); |
| |
| if (result == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| if(isVerbose()){ |
| printf(" array %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| ustr_init(&memberComments); |
| |
| /* '{' . resource [','] '}' */ |
| for (;;) |
| { |
| /* reset length */ |
| ustr_setlen(&memberComments, 0, status); |
| |
| /* check for end of array, but don't consume next token unless it really is the end */ |
| token = peekToken(state, 0, &tokenValue, NULL, &memberComments, status); |
| |
| |
| if (token == TOK_CLOSE_BRACE) |
| { |
| getToken(state, NULL, NULL, NULL, status); |
| if (!readToken) { |
| warning(startline, "Encountered empty array"); |
| } |
| break; |
| } |
| |
| if (token == TOK_EOF) |
| { |
| res_close(result); |
| *status = U_INVALID_FORMAT_ERROR; |
| error(startline, "unterminated array"); |
| return NULL; |
| } |
| |
| /* string arrays are a special case */ |
| if (token == TOK_STRING) |
| { |
| getToken(state, &tokenValue, &memberComments, NULL, status); |
| member = string_open(state->bundle, NULL, tokenValue->fChars, tokenValue->fLength, &memberComments, status); |
| } |
| else |
| { |
| member = parseResource(state, NULL, &memberComments, status); |
| } |
| |
| if (member == NULL || U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| result->add(member); |
| |
| /* eat optional comma if present */ |
| token = peekToken(state, 0, NULL, NULL, NULL, status); |
| |
| if (token == TOK_COMMA) |
| { |
| getToken(state, NULL, NULL, NULL, status); |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| readToken = TRUE; |
| } |
| |
| ustr_deinit(&memberComments); |
| return result; |
| } |
| |
| static struct SResource * |
| parseIntVector(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| enum ETokenType token; |
| char *string; |
| int32_t value; |
| UBool readToken = FALSE; |
| char *stopstring; |
| uint32_t len; |
| struct UString memberComments; |
| |
| IntVectorResource *result = intvector_open(state->bundle, tag, comment, status); |
| |
| if (result == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| if(isVerbose()){ |
| printf(" vector %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| ustr_init(&memberComments); |
| /* '{' . string [','] '}' */ |
| for (;;) |
| { |
| ustr_setlen(&memberComments, 0, status); |
| |
| /* check for end of array, but don't consume next token unless it really is the end */ |
| token = peekToken(state, 0, NULL, NULL,&memberComments, status); |
| |
| if (token == TOK_CLOSE_BRACE) |
| { |
| /* it's the end, consume the close brace */ |
| getToken(state, NULL, NULL, NULL, status); |
| if (!readToken) { |
| warning(startline, "Encountered empty int vector"); |
| } |
| ustr_deinit(&memberComments); |
| return result; |
| } |
| |
| string = getInvariantString(state, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| /* For handling illegal char in the Intvector */ |
| value = uprv_strtoul(string, &stopstring, 0);/* make intvector support decimal,hexdigit,octal digit ranging from -2^31-2^32-1*/ |
| len=(uint32_t)(stopstring-string); |
| |
| if(len==uprv_strlen(string)) |
| { |
| result->add(value, *status); |
| uprv_free(string); |
| token = peekToken(state, 0, NULL, NULL, NULL, status); |
| } |
| else |
| { |
| uprv_free(string); |
| *status=U_INVALID_CHAR_FOUND; |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| res_close(result); |
| return NULL; |
| } |
| |
| /* the comma is optional (even though it is required to prevent the reader from concatenating |
| consecutive entries) so that a missing comma on the last entry isn't an error */ |
| if (token == TOK_COMMA) |
| { |
| getToken(state, NULL, NULL, NULL, status); |
| } |
| readToken = TRUE; |
| } |
| |
| /* not reached */ |
| /* A compiler warning will appear if all paths don't contain a return statement. */ |
| /* intvector_close(result, status); |
| *status = U_INTERNAL_PROGRAM_ERROR; |
| return NULL;*/ |
| } |
| |
| static struct SResource * |
| parseBinary(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| uint32_t line; |
| LocalMemory<char> string(getInvariantString(state, &line, NULL, status)); |
| if (string.isNull() || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| if(isVerbose()){ |
| printf(" binary %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| uint32_t count = (uint32_t)uprv_strlen(string.getAlias()); |
| if (count > 0){ |
| if((count % 2)==0){ |
| LocalMemory<uint8_t> value; |
| if (value.allocateInsteadAndCopy(count) == NULL) |
| { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| |
| char toConv[3] = {'\0', '\0', '\0'}; |
| for (uint32_t i = 0; i < count; i += 2) |
| { |
| toConv[0] = string[i]; |
| toConv[1] = string[i + 1]; |
| |
| char *stopstring; |
| value[i >> 1] = (uint8_t) uprv_strtoul(toConv, &stopstring, 16); |
| uint32_t len=(uint32_t)(stopstring-toConv); |
| |
| if(len!=2) |
| { |
| *status=U_INVALID_CHAR_FOUND; |
| return NULL; |
| } |
| } |
| |
| return bin_open(state->bundle, tag, count >> 1, value.getAlias(), NULL, comment, status); |
| } |
| else |
| { |
| *status = U_INVALID_CHAR_FOUND; |
| error(line, "Encountered invalid binary value (length is odd)"); |
| return NULL; |
| } |
| } |
| else |
| { |
| warning(startline, "Encountered empty binary value"); |
| return bin_open(state->bundle, tag, 0, NULL, "", comment, status); |
| } |
| } |
| |
| static struct SResource * |
| parseInteger(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) |
| { |
| struct SResource *result = NULL; |
| int32_t value; |
| char *string; |
| char *stopstring; |
| uint32_t len; |
| |
| string = getInvariantString(state, NULL, NULL, status); |
| |
| if (string == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| uprv_free(string); |
| return NULL; |
| } |
| |
| if(isVerbose()){ |
| printf(" integer %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| if (uprv_strlen(string) <= 0) |
| { |
| warning(startline, "Encountered empty integer. Default value is 0."); |
| } |
| |
| /* Allow integer support for hexdecimal, octal digit and decimal*/ |
| /* and handle illegal char in the integer*/ |
| value = uprv_strtoul(string, &stopstring, 0); |
| len=(uint32_t)(stopstring-string); |
| if(len==uprv_strlen(string)) |
| { |
| result = int_open(state->bundle, tag, value, comment, status); |
| } |
| else |
| { |
| *status=U_INVALID_CHAR_FOUND; |
| } |
| uprv_free(string); |
| |
| return result; |
| } |
| |
| static struct SResource * |
| parseImport(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) |
| { |
| uint32_t line; |
| LocalMemory<char> filename(getInvariantString(state, &line, NULL, status)); |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| if(isVerbose()){ |
| printf(" import %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| /* Open the input file for reading */ |
| CharString fullname; |
| if (state->inputdir != NULL) { |
| fullname.append(state->inputdir, *status); |
| } |
| fullname.appendPathPart(filename.getAlias(), *status); |
| if (U_FAILURE(*status)) { |
| return NULL; |
| } |
| |
| FileStream *file = T_FileStream_open(fullname.data(), "rb"); |
| if (file == NULL) |
| { |
| error(line, "couldn't open input file %s", filename.getAlias()); |
| *status = U_FILE_ACCESS_ERROR; |
| return NULL; |
| } |
| |
| int32_t len = T_FileStream_size(file); |
| LocalMemory<uint8_t> data; |
| if(data.allocateInsteadAndCopy(len) == NULL) |
| { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| T_FileStream_close (file); |
| return NULL; |
| } |
| |
| /* int32_t numRead = */ T_FileStream_read(file, data.getAlias(), len); |
| T_FileStream_close (file); |
| |
| return bin_open(state->bundle, tag, len, data.getAlias(), fullname.data(), comment, status); |
| } |
| |
| static struct SResource * |
| parseInclude(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) |
| { |
| struct SResource *result; |
| int32_t len=0; |
| char *filename; |
| uint32_t line; |
| UChar *pTarget = NULL; |
| |
| UCHARBUF *ucbuf; |
| char *fullname = NULL; |
| int32_t count = 0; |
| const char* cp = NULL; |
| const UChar* uBuffer = NULL; |
| |
| filename = getInvariantString(state, &line, NULL, status); |
| count = (int32_t)uprv_strlen(filename); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| uprv_free(filename); |
| return NULL; |
| } |
| |
| if(isVerbose()){ |
| printf(" include %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| fullname = (char *) uprv_malloc(state->inputdirLength + count + 2); |
| /* test for NULL */ |
| if(fullname == NULL) |
| { |
| *status = U_MEMORY_ALLOCATION_ERROR; |
| uprv_free(filename); |
| return NULL; |
| } |
| |
| if(state->inputdir!=NULL){ |
| if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) |
| { |
| |
| uprv_strcpy(fullname, state->inputdir); |
| |
| fullname[state->inputdirLength] = U_FILE_SEP_CHAR; |
| fullname[state->inputdirLength + 1] = '\0'; |
| |
| uprv_strcat(fullname, filename); |
| } |
| else |
| { |
| uprv_strcpy(fullname, state->inputdir); |
| uprv_strcat(fullname, filename); |
| } |
| }else{ |
| uprv_strcpy(fullname,filename); |
| } |
| |
| ucbuf = ucbuf_open(fullname, &cp,getShowWarning(),FALSE,status); |
| |
| if (U_FAILURE(*status)) { |
| error(line, "couldn't open input file %s\n", filename); |
| return NULL; |
| } |
| |
| uBuffer = ucbuf_getBuffer(ucbuf,&len,status); |
| result = string_open(state->bundle, tag, uBuffer, len, comment, status); |
| |
| ucbuf_close(ucbuf); |
| |
| uprv_free(pTarget); |
| |
| uprv_free(filename); |
| uprv_free(fullname); |
| |
| return result; |
| } |
| |
| |
| |
| |
| |
| U_STRING_DECL(k_type_string, "string", 6); |
| U_STRING_DECL(k_type_binary, "binary", 6); |
| U_STRING_DECL(k_type_bin, "bin", 3); |
| U_STRING_DECL(k_type_table, "table", 5); |
| U_STRING_DECL(k_type_table_no_fallback, "table(nofallback)", 17); |
| U_STRING_DECL(k_type_int, "int", 3); |
| U_STRING_DECL(k_type_integer, "integer", 7); |
| U_STRING_DECL(k_type_array, "array", 5); |
| U_STRING_DECL(k_type_alias, "alias", 5); |
| U_STRING_DECL(k_type_intvector, "intvector", 9); |
| U_STRING_DECL(k_type_import, "import", 6); |
| U_STRING_DECL(k_type_include, "include", 7); |
| |
| /* Various non-standard processing plugins that create one or more special resources. */ |
| U_STRING_DECL(k_type_plugin_uca_rules, "process(uca_rules)", 18); |
| U_STRING_DECL(k_type_plugin_collation, "process(collation)", 18); |
| U_STRING_DECL(k_type_plugin_transliterator, "process(transliterator)", 23); |
| U_STRING_DECL(k_type_plugin_dependency, "process(dependency)", 19); |
| |
| typedef enum EResourceType |
| { |
| RESTYPE_UNKNOWN, |
| RESTYPE_STRING, |
| RESTYPE_BINARY, |
| RESTYPE_TABLE, |
| RESTYPE_TABLE_NO_FALLBACK, |
| RESTYPE_INTEGER, |
| RESTYPE_ARRAY, |
| RESTYPE_ALIAS, |
| RESTYPE_INTVECTOR, |
| RESTYPE_IMPORT, |
| RESTYPE_INCLUDE, |
| RESTYPE_PROCESS_UCA_RULES, |
| RESTYPE_PROCESS_COLLATION, |
| RESTYPE_PROCESS_TRANSLITERATOR, |
| RESTYPE_PROCESS_DEPENDENCY, |
| RESTYPE_RESERVED |
| } EResourceType; |
| |
| static struct { |
| const char *nameChars; /* only used for debugging */ |
| const UChar *nameUChars; |
| ParseResourceFunction *parseFunction; |
| } gResourceTypes[] = { |
| {"Unknown", NULL, NULL}, |
| {"string", k_type_string, parseString}, |
| {"binary", k_type_binary, parseBinary}, |
| {"table", k_type_table, parseTable}, |
| {"table(nofallback)", k_type_table_no_fallback, NULL}, /* parseFunction will never be called */ |
| {"integer", k_type_integer, parseInteger}, |
| {"array", k_type_array, parseArray}, |
| {"alias", k_type_alias, parseAlias}, |
| {"intvector", k_type_intvector, parseIntVector}, |
| {"import", k_type_import, parseImport}, |
| {"include", k_type_include, parseInclude}, |
| {"process(uca_rules)", k_type_plugin_uca_rules, parseUCARules}, |
| {"process(collation)", k_type_plugin_collation, NULL /* not implemented yet */}, |
| {"process(transliterator)", k_type_plugin_transliterator, parseTransliterator}, |
| {"process(dependency)", k_type_plugin_dependency, parseDependency}, |
| {"reserved", NULL, NULL} |
| }; |
| |
| void initParser() |
| { |
| U_STRING_INIT(k_type_string, "string", 6); |
| U_STRING_INIT(k_type_binary, "binary", 6); |
| U_STRING_INIT(k_type_bin, "bin", 3); |
| U_STRING_INIT(k_type_table, "table", 5); |
| U_STRING_INIT(k_type_table_no_fallback, "table(nofallback)", 17); |
| U_STRING_INIT(k_type_int, "int", 3); |
| U_STRING_INIT(k_type_integer, "integer", 7); |
| U_STRING_INIT(k_type_array, "array", 5); |
| U_STRING_INIT(k_type_alias, "alias", 5); |
| U_STRING_INIT(k_type_intvector, "intvector", 9); |
| U_STRING_INIT(k_type_import, "import", 6); |
| U_STRING_INIT(k_type_include, "include", 7); |
| |
| U_STRING_INIT(k_type_plugin_uca_rules, "process(uca_rules)", 18); |
| U_STRING_INIT(k_type_plugin_collation, "process(collation)", 18); |
| U_STRING_INIT(k_type_plugin_transliterator, "process(transliterator)", 23); |
| U_STRING_INIT(k_type_plugin_dependency, "process(dependency)", 19); |
| } |
| |
| static inline UBool isTable(enum EResourceType type) { |
| return (UBool)(type==RESTYPE_TABLE || type==RESTYPE_TABLE_NO_FALLBACK); |
| } |
| |
| static enum EResourceType |
| parseResourceType(ParseState* state, UErrorCode *status) |
| { |
| struct UString *tokenValue; |
| struct UString comment; |
| enum EResourceType result = RESTYPE_UNKNOWN; |
| uint32_t line=0; |
| ustr_init(&comment); |
| expect(state, TOK_STRING, &tokenValue, &comment, &line, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return RESTYPE_UNKNOWN; |
| } |
| |
| *status = U_ZERO_ERROR; |
| |
| /* Search for normal types */ |
| result=RESTYPE_UNKNOWN; |
| while ((result=(EResourceType)(result+1)) < RESTYPE_RESERVED) { |
| if (u_strcmp(tokenValue->fChars, gResourceTypes[result].nameUChars) == 0) { |
| break; |
| } |
| } |
| /* Now search for the aliases */ |
| if (u_strcmp(tokenValue->fChars, k_type_int) == 0) { |
| result = RESTYPE_INTEGER; |
| } |
| else if (u_strcmp(tokenValue->fChars, k_type_bin) == 0) { |
| result = RESTYPE_BINARY; |
| } |
| else if (result == RESTYPE_RESERVED) { |
| char tokenBuffer[1024]; |
| u_austrncpy(tokenBuffer, tokenValue->fChars, sizeof(tokenBuffer)); |
| tokenBuffer[sizeof(tokenBuffer) - 1] = 0; |
| *status = U_INVALID_FORMAT_ERROR; |
| error(line, "unknown resource type '%s'", tokenBuffer); |
| } |
| |
| return result; |
| } |
| |
| /* parse a non-top-level resource */ |
| static struct SResource * |
| parseResource(ParseState* state, char *tag, const struct UString *comment, UErrorCode *status) |
| { |
| enum ETokenType token; |
| enum EResourceType resType = RESTYPE_UNKNOWN; |
| ParseResourceFunction *parseFunction = NULL; |
| struct UString *tokenValue; |
| uint32_t startline; |
| uint32_t line; |
| |
| |
| token = getToken(state, &tokenValue, NULL, &startline, status); |
| |
| if(isVerbose()){ |
| printf(" resource %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); |
| } |
| |
| /* name . [ ':' type ] '{' resource '}' */ |
| /* This function parses from the colon onwards. If the colon is present, parse the |
| type then try to parse a resource of that type. If there is no explicit type, |
| work it out using the lookahead tokens. */ |
| switch (token) |
| { |
| case TOK_EOF: |
| *status = U_INVALID_FORMAT_ERROR; |
| error(startline, "Unexpected EOF encountered"); |
| return NULL; |
| |
| case TOK_ERROR: |
| *status = U_INVALID_FORMAT_ERROR; |
| return NULL; |
| |
| case TOK_COLON: |
| resType = parseResourceType(state, status); |
| expect(state, TOK_OPEN_BRACE, &tokenValue, NULL, &startline, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| break; |
| |
| case TOK_OPEN_BRACE: |
| break; |
| |
| default: |
| *status = U_INVALID_FORMAT_ERROR; |
| error(startline, "syntax error while reading a resource, expected '{' or ':'"); |
| return NULL; |
| } |
| |
| |
| if (resType == RESTYPE_UNKNOWN) |
| { |
| /* No explicit type, so try to work it out. At this point, we've read the first '{'. |
| We could have any of the following: |
| { { => array (nested) |
| { :/} => array |
| { string , => string array |
| |
| { string { => table |
| |
| { string :/{ => table |
| { string } => string |
| */ |
| |
| token = peekToken(state, 0, NULL, &line, NULL,status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| if (token == TOK_OPEN_BRACE || token == TOK_COLON ||token ==TOK_CLOSE_BRACE ) |
| { |
| resType = RESTYPE_ARRAY; |
| } |
| else if (token == TOK_STRING) |
| { |
| token = peekToken(state, 1, NULL, &line, NULL, status); |
| |
| if (U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| switch (token) |
| { |
| case TOK_COMMA: resType = RESTYPE_ARRAY; break; |
| case TOK_OPEN_BRACE: resType = RESTYPE_TABLE; break; |
| case TOK_CLOSE_BRACE: resType = RESTYPE_STRING; break; |
| case TOK_COLON: resType = RESTYPE_TABLE; break; |
| default: |
| *status = U_INVALID_FORMAT_ERROR; |
| error(line, "Unexpected token after string, expected ',', '{' or '}'"); |
| return NULL; |
| } |
| } |
| else |
| { |
| *status = U_INVALID_FORMAT_ERROR; |
| error(line, "Unexpected token after '{'"); |
| return NULL; |
| } |
| |
| /* printf("Type guessed as %s\n", resourceNames[resType]); */ |
| } else if(resType == RESTYPE_TABLE_NO_FALLBACK) { |
| *status = U_INVALID_FORMAT_ERROR; |
| error(startline, "error: %s resource type not valid except on top bundle level", gResourceTypes[resType].nameChars); |
| return NULL; |
| } |
| |
| |
| /* We should now know what we need to parse next, so call the appropriate parser |
| function and return. */ |
| parseFunction = gResourceTypes[resType].parseFunction; |
| if (parseFunction != NULL) { |
| return parseFunction(state, tag, startline, comment, status); |
| } |
| else { |
| *status = U_INTERNAL_PROGRAM_ERROR; |
| error(startline, "internal error: %s resource type found and not handled", gResourceTypes[resType].nameChars); |
| } |
| |
| return NULL; |
| } |
| |
| /* parse the top-level resource */ |
| struct SRBRoot * |
| parse(UCHARBUF *buf, const char *inputDir, const char *outputDir, const char *filename, |
| UBool makeBinaryCollation, UBool omitCollationRules, UErrorCode *status) |
| { |
| struct UString *tokenValue; |
| struct UString comment; |
| uint32_t line; |
| enum EResourceType bundleType; |
| enum ETokenType token; |
| ParseState state; |
| uint32_t i; |
| |
| |
| for (i = 0; i < MAX_LOOKAHEAD + 1; i++) |
| { |
| ustr_init(&state.lookahead[i].value); |
| ustr_init(&state.lookahead[i].comment); |
| } |
| |
| initLookahead(&state, buf, status); |
| |
| state.inputdir = inputDir; |
| state.inputdirLength = (state.inputdir != NULL) ? (uint32_t)uprv_strlen(state.inputdir) : 0; |
| state.outputdir = outputDir; |
| state.outputdirLength = (state.outputdir != NULL) ? (uint32_t)uprv_strlen(state.outputdir) : 0; |
| state.filename = filename; |
| state.makeBinaryCollation = makeBinaryCollation; |
| state.omitCollationRules = omitCollationRules; |
| |
| ustr_init(&comment); |
| expect(&state, TOK_STRING, &tokenValue, &comment, NULL, status); |
| |
| state.bundle = new SRBRoot(&comment, FALSE, *status); |
| |
| if (state.bundle == NULL || U_FAILURE(*status)) |
| { |
| return NULL; |
| } |
| |
| |
| state.bundle->setLocale(tokenValue->fChars, *status); |
| |
| /* The following code is to make Empty bundle work no matter with :table specifer or not */ |
| token = getToken(&state, NULL, NULL, &line, status); |
| if(token==TOK_COLON) { |
| *status=U_ZERO_ERROR; |
| bundleType=parseResourceType(&state, status); |
| |
| if(isTable(bundleType)) |
| { |
| expect(&state, TOK_OPEN_BRACE, NULL, NULL, &line, status); |
| } |
| else |
| { |
| *status=U_PARSE_ERROR; |
| error(line, "parse error. Stopped parsing with %s", u_errorName(*status)); |
| } |
| } |
| else |
| { |
| /* not a colon */ |
| if(token==TOK_OPEN_BRACE) |
| { |
| *status=U_ZERO_ERROR; |
| bundleType=RESTYPE_TABLE; |
| } |
| else |
| { |
| /* neither colon nor open brace */ |
| *status=U_PARSE_ERROR; |
| bundleType=RESTYPE_UNKNOWN; |
| error(line, "parse error, did not find open-brace '{' or colon ':', stopped with %s", u_errorName(*status)); |
| } |
| } |
| |
| if (U_FAILURE(*status)) |
| { |
| delete state.bundle; |
| return NULL; |
| } |
| |
| if(bundleType==RESTYPE_TABLE_NO_FALLBACK) { |
| /* |
| * Parse a top-level table with the table(nofallback) declaration. |
| * This is the same as a regular table, but also sets the |
| * URES_ATT_NO_FALLBACK flag in indexes[URES_INDEX_ATTRIBUTES] . |
| */ |
| state.bundle->fNoFallback=TRUE; |
| } |
| /* top-level tables need not handle special table names like "collations" */ |
| assert(!state.bundle->fIsPoolBundle); |
| assert(state.bundle->fRoot->fType == URES_TABLE); |
| TableResource *rootTable = static_cast<TableResource *>(state.bundle->fRoot); |
| realParseTable(&state, rootTable, NULL, line, status); |
| if(dependencyArray!=NULL){ |
| rootTable->add(dependencyArray, 0, *status); |
| dependencyArray = NULL; |
| } |
| if (U_FAILURE(*status)) |
| { |
| delete state.bundle; |
| res_close(dependencyArray); |
| return NULL; |
| } |
| |
| if (getToken(&state, NULL, NULL, &line, status) != TOK_EOF) |
| { |
| warning(line, "extraneous text after resource bundle (perhaps unmatched braces)"); |
| if(isStrict()){ |
| *status = U_INVALID_FORMAT_ERROR; |
| return NULL; |
| } |
| } |
| |
| cleanupLookahead(&state); |
| ustr_deinit(&comment); |
| return state.bundle; |
| } |
