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1 | /* | |
2 | ******************************************************************************* | |
3 | * | |
4 | * Copyright (C) 1998-2010, International Business Machines | |
5 | * Corporation and others. All Rights Reserved. | |
6 | * | |
7 | ******************************************************************************* | |
8 | * | |
9 | * File parse.c | |
10 | * | |
11 | * Modification History: | |
12 | * | |
13 | * Date Name Description | |
14 | * 05/26/99 stephen Creation. | |
15 | * 02/25/00 weiv Overhaul to write udata | |
16 | * 5/10/01 Ram removed ustdio dependency | |
17 | * 06/10/2001 Dominic Ludlam <dom@recoil.org> Rewritten | |
18 | ******************************************************************************* | |
19 | */ | |
20 | ||
21 | #include "ucol_imp.h" | |
22 | #include "parse.h" | |
23 | #include "errmsg.h" | |
24 | #include "uhash.h" | |
25 | #include "cmemory.h" | |
26 | #include "cstring.h" | |
27 | #include "uinvchar.h" | |
28 | #include "read.h" | |
29 | #include "ustr.h" | |
30 | #include "reslist.h" | |
31 | #include "rbt_pars.h" | |
32 | #include "genrb.h" | |
33 | #include "unicode/ustring.h" | |
34 | #include "unicode/uscript.h" | |
35 | #include "unicode/putil.h" | |
36 | #include <stdio.h> | |
37 | ||
38 | extern UBool gIncludeUnihanColl; | |
39 | ||
40 | /* Number of tokens to read ahead of the current stream position */ | |
41 | #define MAX_LOOKAHEAD 3 | |
42 | ||
43 | #define CR 0x000D | |
44 | #define LF 0x000A | |
45 | #define SPACE 0x0020 | |
46 | #define TAB 0x0009 | |
47 | #define ESCAPE 0x005C | |
48 | #define HASH 0x0023 | |
49 | #define QUOTE 0x0027 | |
50 | #define ZERO 0x0030 | |
51 | #define STARTCOMMAND 0x005B | |
52 | #define ENDCOMMAND 0x005D | |
53 | #define OPENSQBRACKET 0x005B | |
54 | #define CLOSESQBRACKET 0x005D | |
55 | ||
56 | struct Lookahead | |
57 | { | |
58 | enum ETokenType type; | |
59 | struct UString value; | |
60 | struct UString comment; | |
61 | uint32_t line; | |
62 | }; | |
63 | ||
64 | /* keep in sync with token defines in read.h */ | |
65 | const char *tokenNames[TOK_TOKEN_COUNT] = | |
66 | { | |
67 | "string", /* A string token, such as "MonthNames" */ | |
68 | "'{'", /* An opening brace character */ | |
69 | "'}'", /* A closing brace character */ | |
70 | "','", /* A comma */ | |
71 | "':'", /* A colon */ | |
72 | ||
73 | "<end of file>", /* End of the file has been reached successfully */ | |
74 | "<end of line>" | |
75 | }; | |
76 | ||
77 | /* Just to store "TRUE" */ | |
78 | static const UChar trueValue[] = {0x0054, 0x0052, 0x0055, 0x0045, 0x0000}; | |
79 | ||
80 | typedef struct { | |
81 | struct Lookahead lookahead[MAX_LOOKAHEAD + 1]; | |
82 | uint32_t lookaheadPosition; | |
83 | UCHARBUF *buffer; | |
84 | struct SRBRoot *bundle; | |
85 | const char *inputdir; | |
86 | uint32_t inputdirLength; | |
87 | const char *outputdir; | |
88 | uint32_t outputdirLength; | |
89 | } ParseState; | |
90 | ||
91 | static UBool gMakeBinaryCollation = TRUE; | |
92 | static UBool gOmitCollationRules = FALSE; | |
93 | ||
94 | typedef struct SResource * | |
95 | ParseResourceFunction(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status); | |
96 | ||
97 | static struct SResource *parseResource(ParseState* state, char *tag, const struct UString *comment, UErrorCode *status); | |
98 | ||
99 | /* The nature of the lookahead buffer: | |
100 | There are MAX_LOOKAHEAD + 1 slots, used as a circular buffer. This provides | |
101 | MAX_LOOKAHEAD lookahead tokens and a slot for the current token and value. | |
102 | When getToken is called, the current pointer is moved to the next slot and the | |
103 | old slot is filled with the next token from the reader by calling getNextToken. | |
104 | The token values are stored in the slot, which means that token values don't | |
105 | survive a call to getToken, ie. | |
106 | ||
107 | UString *value; | |
108 | ||
109 | getToken(&value, NULL, status); | |
110 | getToken(NULL, NULL, status); bad - value is now a different string | |
111 | */ | |
112 | static void | |
113 | initLookahead(ParseState* state, UCHARBUF *buf, UErrorCode *status) | |
114 | { | |
115 | static uint32_t initTypeStrings = 0; | |
116 | uint32_t i; | |
117 | ||
118 | if (!initTypeStrings) | |
119 | { | |
120 | initTypeStrings = 1; | |
121 | } | |
122 | ||
123 | state->lookaheadPosition = 0; | |
124 | state->buffer = buf; | |
125 | ||
126 | resetLineNumber(); | |
127 | ||
128 | for (i = 0; i < MAX_LOOKAHEAD; i++) | |
129 | { | |
130 | state->lookahead[i].type = getNextToken(state->buffer, &state->lookahead[i].value, &state->lookahead[i].line, &state->lookahead[i].comment, status); | |
131 | if (U_FAILURE(*status)) | |
132 | { | |
133 | return; | |
134 | } | |
135 | } | |
136 | ||
137 | *status = U_ZERO_ERROR; | |
138 | } | |
139 | ||
140 | static void | |
141 | cleanupLookahead(ParseState* state) | |
142 | { | |
143 | uint32_t i; | |
144 | for (i = 0; i < MAX_LOOKAHEAD; i++) | |
145 | { | |
146 | ustr_deinit(&state->lookahead[i].value); | |
147 | ustr_deinit(&state->lookahead[i].comment); | |
148 | } | |
149 | ||
150 | } | |
151 | ||
152 | static enum ETokenType | |
153 | getToken(ParseState* state, struct UString **tokenValue, struct UString* comment, uint32_t *linenumber, UErrorCode *status) | |
154 | { | |
155 | enum ETokenType result; | |
156 | uint32_t i; | |
157 | ||
158 | result = state->lookahead[state->lookaheadPosition].type; | |
159 | ||
160 | if (tokenValue != NULL) | |
161 | { | |
162 | *tokenValue = &state->lookahead[state->lookaheadPosition].value; | |
163 | } | |
164 | ||
165 | if (linenumber != NULL) | |
166 | { | |
167 | *linenumber = state->lookahead[state->lookaheadPosition].line; | |
168 | } | |
169 | ||
170 | if (comment != NULL) | |
171 | { | |
172 | ustr_cpy(comment, &(state->lookahead[state->lookaheadPosition].comment), status); | |
173 | } | |
174 | ||
175 | i = (state->lookaheadPosition + MAX_LOOKAHEAD) % (MAX_LOOKAHEAD + 1); | |
176 | state->lookaheadPosition = (state->lookaheadPosition + 1) % (MAX_LOOKAHEAD + 1); | |
177 | ustr_setlen(&state->lookahead[i].comment, 0, status); | |
178 | ustr_setlen(&state->lookahead[i].value, 0, status); | |
179 | state->lookahead[i].type = getNextToken(state->buffer, &state->lookahead[i].value, &state->lookahead[i].line, &state->lookahead[i].comment, status); | |
180 | ||
181 | /* printf("getToken, returning %s\n", tokenNames[result]); */ | |
182 | ||
183 | return result; | |
184 | } | |
185 | ||
186 | static enum ETokenType | |
187 | peekToken(ParseState* state, uint32_t lookaheadCount, struct UString **tokenValue, uint32_t *linenumber, struct UString *comment, UErrorCode *status) | |
188 | { | |
189 | uint32_t i = (state->lookaheadPosition + lookaheadCount) % (MAX_LOOKAHEAD + 1); | |
190 | ||
191 | if (U_FAILURE(*status)) | |
192 | { | |
193 | return TOK_ERROR; | |
194 | } | |
195 | ||
196 | if (lookaheadCount >= MAX_LOOKAHEAD) | |
197 | { | |
198 | *status = U_INTERNAL_PROGRAM_ERROR; | |
199 | return TOK_ERROR; | |
200 | } | |
201 | ||
202 | if (tokenValue != NULL) | |
203 | { | |
204 | *tokenValue = &state->lookahead[i].value; | |
205 | } | |
206 | ||
207 | if (linenumber != NULL) | |
208 | { | |
209 | *linenumber = state->lookahead[i].line; | |
210 | } | |
211 | ||
212 | if(comment != NULL){ | |
213 | ustr_cpy(comment, &(state->lookahead[state->lookaheadPosition].comment), status); | |
214 | } | |
215 | ||
216 | return state->lookahead[i].type; | |
217 | } | |
218 | ||
219 | static void | |
220 | expect(ParseState* state, enum ETokenType expectedToken, struct UString **tokenValue, struct UString *comment, uint32_t *linenumber, UErrorCode *status) | |
221 | { | |
222 | uint32_t line; | |
223 | ||
224 | enum ETokenType token = getToken(state, tokenValue, comment, &line, status); | |
225 | ||
226 | if (linenumber != NULL) | |
227 | { | |
228 | *linenumber = line; | |
229 | } | |
230 | ||
231 | if (U_FAILURE(*status)) | |
232 | { | |
233 | return; | |
234 | } | |
235 | ||
236 | if (token != expectedToken) | |
237 | { | |
238 | *status = U_INVALID_FORMAT_ERROR; | |
239 | error(line, "expecting %s, got %s", tokenNames[expectedToken], tokenNames[token]); | |
240 | } | |
241 | else | |
242 | { | |
243 | *status = U_ZERO_ERROR; | |
244 | } | |
245 | } | |
246 | ||
247 | static char *getInvariantString(ParseState* state, uint32_t *line, struct UString *comment, UErrorCode *status) | |
248 | { | |
249 | struct UString *tokenValue; | |
250 | char *result; | |
251 | uint32_t count; | |
252 | ||
253 | expect(state, TOK_STRING, &tokenValue, comment, line, status); | |
254 | ||
255 | if (U_FAILURE(*status)) | |
256 | { | |
257 | return NULL; | |
258 | } | |
259 | ||
260 | count = u_strlen(tokenValue->fChars); | |
261 | if(!uprv_isInvariantUString(tokenValue->fChars, count)) { | |
262 | *status = U_INVALID_FORMAT_ERROR; | |
263 | error(*line, "invariant characters required for table keys, binary data, etc."); | |
264 | return NULL; | |
265 | } | |
266 | ||
267 | result = uprv_malloc(count+1); | |
268 | ||
269 | if (result == NULL) | |
270 | { | |
271 | *status = U_MEMORY_ALLOCATION_ERROR; | |
272 | return NULL; | |
273 | } | |
274 | ||
275 | u_UCharsToChars(tokenValue->fChars, result, count+1); | |
276 | return result; | |
277 | } | |
278 | ||
279 | static struct SResource * | |
280 | parseUCARules(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
281 | { | |
282 | struct SResource *result = NULL; | |
283 | struct UString *tokenValue; | |
284 | FileStream *file = NULL; | |
285 | char filename[256] = { '\0' }; | |
286 | char cs[128] = { '\0' }; | |
287 | uint32_t line; | |
288 | int len=0; | |
289 | UBool quoted = FALSE; | |
290 | UCHARBUF *ucbuf=NULL; | |
291 | UChar32 c = 0; | |
292 | const char* cp = NULL; | |
293 | UChar *pTarget = NULL; | |
294 | UChar *target = NULL; | |
295 | UChar *targetLimit = NULL; | |
296 | int32_t size = 0; | |
297 | ||
298 | expect(state, TOK_STRING, &tokenValue, NULL, &line, status); | |
299 | ||
300 | if(isVerbose()){ | |
301 | printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
302 | } | |
303 | ||
304 | if (U_FAILURE(*status)) | |
305 | { | |
306 | return NULL; | |
307 | } | |
308 | /* make the filename including the directory */ | |
309 | if (state->inputdir != NULL) | |
310 | { | |
311 | uprv_strcat(filename, state->inputdir); | |
312 | ||
313 | if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) | |
314 | { | |
315 | uprv_strcat(filename, U_FILE_SEP_STRING); | |
316 | } | |
317 | } | |
318 | ||
319 | u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); | |
320 | ||
321 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
322 | ||
323 | if (U_FAILURE(*status)) | |
324 | { | |
325 | return NULL; | |
326 | } | |
327 | uprv_strcat(filename, cs); | |
328 | ||
329 | if(gOmitCollationRules) { | |
330 | return res_none(); | |
331 | } | |
332 | ||
333 | ucbuf = ucbuf_open(filename, &cp, getShowWarning(),FALSE, status); | |
334 | ||
335 | if (U_FAILURE(*status)) { | |
336 | error(line, "An error occured while opening the input file %s\n", filename); | |
337 | return NULL; | |
338 | } | |
339 | ||
340 | /* We allocate more space than actually required | |
341 | * since the actual size needed for storing UChars | |
342 | * is not known in UTF-8 byte stream | |
343 | */ | |
344 | size = ucbuf_size(ucbuf) + 1; | |
345 | pTarget = (UChar*) uprv_malloc(U_SIZEOF_UCHAR * size); | |
346 | uprv_memset(pTarget, 0, size*U_SIZEOF_UCHAR); | |
347 | target = pTarget; | |
348 | targetLimit = pTarget+size; | |
349 | ||
350 | /* read the rules into the buffer */ | |
351 | while (target < targetLimit) | |
352 | { | |
353 | c = ucbuf_getc(ucbuf, status); | |
354 | if(c == QUOTE) { | |
355 | quoted = (UBool)!quoted; | |
356 | } | |
357 | /* weiv (06/26/2002): adding the following: | |
358 | * - preserving spaces in commands [...] | |
359 | * - # comments until the end of line | |
360 | */ | |
361 | if (c == STARTCOMMAND && !quoted) | |
362 | { | |
363 | /* preserve commands | |
364 | * closing bracket will be handled by the | |
365 | * append at the end of the loop | |
366 | */ | |
367 | while(c != ENDCOMMAND) { | |
368 | U_APPEND_CHAR32(c, target,len); | |
369 | c = ucbuf_getc(ucbuf, status); | |
370 | } | |
371 | } | |
372 | else if (c == HASH && !quoted) { | |
373 | /* skip comments */ | |
374 | while(c != CR && c != LF) { | |
375 | c = ucbuf_getc(ucbuf, status); | |
376 | } | |
377 | continue; | |
378 | } | |
379 | else if (c == ESCAPE) | |
380 | { | |
381 | c = unescape(ucbuf, status); | |
382 | ||
383 | if (c == U_ERR) | |
384 | { | |
385 | uprv_free(pTarget); | |
386 | T_FileStream_close(file); | |
387 | return NULL; | |
388 | } | |
389 | } | |
390 | else if (!quoted && (c == SPACE || c == TAB || c == CR || c == LF)) | |
391 | { | |
392 | /* ignore spaces carriage returns | |
393 | * and line feed unless in the form \uXXXX | |
394 | */ | |
395 | continue; | |
396 | } | |
397 | ||
398 | /* Append UChar * after dissembling if c > 0xffff*/ | |
399 | if (c != U_EOF) | |
400 | { | |
401 | U_APPEND_CHAR32(c, target,len); | |
402 | } | |
403 | else | |
404 | { | |
405 | break; | |
406 | } | |
407 | } | |
408 | ||
409 | /* terminate the string */ | |
410 | if(target < targetLimit){ | |
411 | *target = 0x0000; | |
412 | } | |
413 | ||
414 | result = string_open(state->bundle, tag, pTarget, (int32_t)(target - pTarget), NULL, status); | |
415 | ||
416 | ||
417 | ucbuf_close(ucbuf); | |
418 | uprv_free(pTarget); | |
419 | T_FileStream_close(file); | |
420 | ||
421 | return result; | |
422 | } | |
423 | ||
424 | static struct SResource * | |
425 | parseTransliterator(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
426 | { | |
427 | struct SResource *result = NULL; | |
428 | struct UString *tokenValue; | |
429 | FileStream *file = NULL; | |
430 | char filename[256] = { '\0' }; | |
431 | char cs[128] = { '\0' }; | |
432 | uint32_t line; | |
433 | UCHARBUF *ucbuf=NULL; | |
434 | const char* cp = NULL; | |
435 | UChar *pTarget = NULL; | |
436 | const UChar *pSource = NULL; | |
437 | int32_t size = 0; | |
438 | ||
439 | expect(state, TOK_STRING, &tokenValue, NULL, &line, status); | |
440 | ||
441 | if(isVerbose()){ | |
442 | printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
443 | } | |
444 | ||
445 | if (U_FAILURE(*status)) | |
446 | { | |
447 | return NULL; | |
448 | } | |
449 | /* make the filename including the directory */ | |
450 | if (state->inputdir != NULL) | |
451 | { | |
452 | uprv_strcat(filename, state->inputdir); | |
453 | ||
454 | if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) | |
455 | { | |
456 | uprv_strcat(filename, U_FILE_SEP_STRING); | |
457 | } | |
458 | } | |
459 | ||
460 | u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); | |
461 | ||
462 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
463 | ||
464 | if (U_FAILURE(*status)) | |
465 | { | |
466 | return NULL; | |
467 | } | |
468 | uprv_strcat(filename, cs); | |
469 | ||
470 | ||
471 | ucbuf = ucbuf_open(filename, &cp, getShowWarning(),FALSE, status); | |
472 | ||
473 | if (U_FAILURE(*status)) { | |
474 | error(line, "An error occured while opening the input file %s\n", filename); | |
475 | return NULL; | |
476 | } | |
477 | ||
478 | /* We allocate more space than actually required | |
479 | * since the actual size needed for storing UChars | |
480 | * is not known in UTF-8 byte stream | |
481 | */ | |
482 | pSource = ucbuf_getBuffer(ucbuf, &size, status); | |
483 | pTarget = (UChar*) uprv_malloc(U_SIZEOF_UCHAR * (size + 1)); | |
484 | uprv_memset(pTarget, 0, size*U_SIZEOF_UCHAR); | |
485 | ||
486 | #if !UCONFIG_NO_TRANSLITERATION | |
487 | size = utrans_stripRules(pSource, size, pTarget, status); | |
488 | #else | |
489 | size = 0; | |
490 | fprintf(stderr, " Warning: writing empty transliteration data ( UCONFIG_NO_TRANSLITERATION ) \n"); | |
491 | #endif | |
492 | result = string_open(state->bundle, tag, pTarget, size, NULL, status); | |
493 | ||
494 | ucbuf_close(ucbuf); | |
495 | uprv_free(pTarget); | |
496 | T_FileStream_close(file); | |
497 | ||
498 | return result; | |
499 | } | |
500 | static struct SResource* dependencyArray = NULL; | |
501 | ||
502 | static struct SResource * | |
503 | parseDependency(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
504 | { | |
505 | struct SResource *result = NULL; | |
506 | struct SResource *elem = NULL; | |
507 | struct UString *tokenValue; | |
508 | uint32_t line; | |
509 | char filename[256] = { '\0' }; | |
510 | char cs[128] = { '\0' }; | |
511 | ||
512 | expect(state, TOK_STRING, &tokenValue, NULL, &line, status); | |
513 | ||
514 | if(isVerbose()){ | |
515 | printf(" %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
516 | } | |
517 | ||
518 | if (U_FAILURE(*status)) | |
519 | { | |
520 | return NULL; | |
521 | } | |
522 | /* make the filename including the directory */ | |
523 | if (state->outputdir != NULL) | |
524 | { | |
525 | uprv_strcat(filename, state->outputdir); | |
526 | ||
527 | if (state->outputdir[state->outputdirLength - 1] != U_FILE_SEP_CHAR) | |
528 | { | |
529 | uprv_strcat(filename, U_FILE_SEP_STRING); | |
530 | } | |
531 | } | |
532 | ||
533 | u_UCharsToChars(tokenValue->fChars, cs, tokenValue->fLength); | |
534 | ||
535 | if (U_FAILURE(*status)) | |
536 | { | |
537 | return NULL; | |
538 | } | |
539 | uprv_strcat(filename, cs); | |
540 | if(!T_FileStream_file_exists(filename)){ | |
541 | if(isStrict()){ | |
542 | error(line, "The dependency file %s does not exist. Please make sure it exists.\n",filename); | |
543 | }else{ | |
544 | warning(line, "The dependency file %s does not exist. Please make sure it exists.\n",filename); | |
545 | } | |
546 | } | |
547 | if(dependencyArray==NULL){ | |
548 | dependencyArray = array_open(state->bundle, "%%DEPENDENCY", NULL, status); | |
549 | } | |
550 | if(tag!=NULL){ | |
551 | result = string_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); | |
552 | } | |
553 | elem = string_open(state->bundle, NULL, tokenValue->fChars, tokenValue->fLength, comment, status); | |
554 | ||
555 | array_add(dependencyArray, elem, status); | |
556 | ||
557 | if (U_FAILURE(*status)) | |
558 | { | |
559 | return NULL; | |
560 | } | |
561 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
562 | return result; | |
563 | } | |
564 | static struct SResource * | |
565 | parseString(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
566 | { | |
567 | struct UString *tokenValue; | |
568 | struct SResource *result = NULL; | |
569 | ||
570 | /* if (tag != NULL && uprv_strcmp(tag, "%%UCARULES") == 0) | |
571 | { | |
572 | return parseUCARules(tag, startline, status); | |
573 | }*/ | |
574 | if(isVerbose()){ | |
575 | printf(" string %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
576 | } | |
577 | expect(state, TOK_STRING, &tokenValue, NULL, NULL, status); | |
578 | ||
579 | if (U_SUCCESS(*status)) | |
580 | { | |
581 | /* create the string now - tokenValue doesn't survive a call to getToken (and therefore | |
582 | doesn't survive expect either) */ | |
583 | ||
584 | result = string_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); | |
585 | if(U_SUCCESS(*status) && result) { | |
586 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
587 | ||
588 | if (U_FAILURE(*status)) | |
589 | { | |
590 | res_close(result); | |
591 | return NULL; | |
592 | } | |
593 | } | |
594 | } | |
595 | ||
596 | return result; | |
597 | } | |
598 | ||
599 | static struct SResource * | |
600 | parseAlias(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
601 | { | |
602 | struct UString *tokenValue; | |
603 | struct SResource *result = NULL; | |
604 | ||
605 | expect(state, TOK_STRING, &tokenValue, NULL, NULL, status); | |
606 | ||
607 | if(isVerbose()){ | |
608 | printf(" alias %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
609 | } | |
610 | ||
611 | if (U_SUCCESS(*status)) | |
612 | { | |
613 | /* create the string now - tokenValue doesn't survive a call to getToken (and therefore | |
614 | doesn't survive expect either) */ | |
615 | ||
616 | result = alias_open(state->bundle, tag, tokenValue->fChars, tokenValue->fLength, comment, status); | |
617 | ||
618 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
619 | ||
620 | if (U_FAILURE(*status)) | |
621 | { | |
622 | res_close(result); | |
623 | return NULL; | |
624 | } | |
625 | } | |
626 | ||
627 | return result; | |
628 | } | |
629 | ||
630 | typedef struct{ | |
631 | const char* inputDir; | |
632 | const char* outputDir; | |
633 | } GenrbData; | |
634 | ||
635 | static struct SResource* resLookup(struct SResource* res, const char* key){ | |
636 | struct SResource *current = NULL; | |
637 | struct SResTable *list; | |
638 | if (res == res_none()) { | |
639 | return NULL; | |
640 | } | |
641 | ||
642 | list = &(res->u.fTable); | |
643 | ||
644 | current = list->fFirst; | |
645 | while (current != NULL) { | |
646 | if (uprv_strcmp(((list->fRoot->fKeys) + (current->fKey)), key) == 0) { | |
647 | return current; | |
648 | } | |
649 | current = current->fNext; | |
650 | } | |
651 | return NULL; | |
652 | } | |
653 | ||
654 | static const UChar* importFromDataFile(void* context, const char* locale, const char* type, int32_t* pLength, UErrorCode* status){ | |
655 | struct SRBRoot *data = NULL; | |
656 | UCHARBUF *ucbuf = NULL; | |
657 | GenrbData* genrbdata = (GenrbData*) context; | |
658 | int localeLength = strlen(locale); | |
659 | char* filename = (char*)uprv_malloc(localeLength+5); | |
660 | char *inputDirBuf = NULL; | |
661 | char *openFileName = NULL; | |
662 | const char* cp = ""; | |
663 | UChar* urules = NULL; | |
664 | int32_t urulesLength = 0; | |
665 | int32_t i = 0; | |
666 | int32_t dirlen = 0; | |
667 | int32_t filelen = 0; | |
668 | struct SResource* root; | |
669 | struct SResource* collations; | |
670 | struct SResource* collation; | |
671 | struct SResource* sequence; | |
672 | ||
673 | memcpy(filename, locale, localeLength); | |
674 | for(i = 0; i < localeLength; i++){ | |
675 | if(filename[i] == '-'){ | |
676 | filename[i] = '_'; | |
677 | } | |
678 | } | |
679 | filename[localeLength] = '.'; | |
680 | filename[localeLength+1] = 't'; | |
681 | filename[localeLength+2] = 'x'; | |
682 | filename[localeLength+3] = 't'; | |
683 | filename[localeLength+4] = 0; | |
684 | ||
685 | ||
686 | if (status==NULL || U_FAILURE(*status)) { | |
687 | return NULL; | |
688 | } | |
689 | if(filename==NULL){ | |
690 | *status=U_ILLEGAL_ARGUMENT_ERROR; | |
691 | return NULL; | |
692 | }else{ | |
693 | filelen = (int32_t)uprv_strlen(filename); | |
694 | } | |
695 | if(genrbdata->inputDir == NULL) { | |
696 | const char *filenameBegin = uprv_strrchr(filename, U_FILE_SEP_CHAR); | |
697 | openFileName = (char *) uprv_malloc(dirlen + filelen + 2); | |
698 | openFileName[0] = '\0'; | |
699 | if (filenameBegin != NULL) { | |
700 | /* | |
701 | * When a filename ../../../data/root.txt is specified, | |
702 | * we presume that the input directory is ../../../data | |
703 | * This is very important when the resource file includes | |
704 | * another file, like UCARules.txt or thaidict.brk. | |
705 | */ | |
706 | int32_t filenameSize = (int32_t)(filenameBegin - filename + 1); | |
707 | inputDirBuf = uprv_strncpy((char *)uprv_malloc(filenameSize), filename, filenameSize); | |
708 | ||
709 | /* test for NULL */ | |
710 | if(inputDirBuf == NULL) { | |
711 | *status = U_MEMORY_ALLOCATION_ERROR; | |
712 | goto finish; | |
713 | } | |
714 | ||
715 | inputDirBuf[filenameSize - 1] = 0; | |
716 | genrbdata->inputDir = inputDirBuf; | |
717 | dirlen = (int32_t)uprv_strlen(genrbdata->inputDir); | |
718 | } | |
719 | }else{ | |
720 | dirlen = (int32_t)uprv_strlen(genrbdata->inputDir); | |
721 | ||
722 | if(genrbdata->inputDir[dirlen-1] != U_FILE_SEP_CHAR) { | |
723 | openFileName = (char *) uprv_malloc(dirlen + filelen + 2); | |
724 | ||
725 | /* test for NULL */ | |
726 | if(openFileName == NULL) { | |
727 | *status = U_MEMORY_ALLOCATION_ERROR; | |
728 | goto finish; | |
729 | } | |
730 | ||
731 | openFileName[0] = '\0'; | |
732 | /* | |
733 | * append the input dir to openFileName if the first char in | |
734 | * filename is not file seperation char and the last char input directory is not '.'. | |
735 | * This is to support : | |
736 | * genrb -s. /home/icu/data | |
737 | * genrb -s. icu/data | |
738 | * The user cannot mix notations like | |
739 | * genrb -s. /icu/data --- the absolute path specified. -s redundant | |
740 | * user should use | |
741 | * genrb -s. icu/data --- start from CWD and look in icu/data dir | |
742 | */ | |
743 | if( (filename[0] != U_FILE_SEP_CHAR) && (genrbdata->inputDir[dirlen-1] !='.')){ | |
744 | uprv_strcpy(openFileName, genrbdata->inputDir); | |
745 | openFileName[dirlen] = U_FILE_SEP_CHAR; | |
746 | } | |
747 | openFileName[dirlen + 1] = '\0'; | |
748 | } else { | |
749 | openFileName = (char *) uprv_malloc(dirlen + filelen + 1); | |
750 | ||
751 | /* test for NULL */ | |
752 | if(openFileName == NULL) { | |
753 | *status = U_MEMORY_ALLOCATION_ERROR; | |
754 | goto finish; | |
755 | } | |
756 | ||
757 | uprv_strcpy(openFileName, genrbdata->inputDir); | |
758 | ||
759 | } | |
760 | } | |
761 | uprv_strcat(openFileName, filename); | |
762 | /* printf("%s\n", openFileName); */ | |
763 | *status = U_ZERO_ERROR; | |
764 | ucbuf = ucbuf_open(openFileName, &cp,getShowWarning(),TRUE, status); | |
765 | ||
766 | if(*status == U_FILE_ACCESS_ERROR) { | |
767 | ||
768 | fprintf(stderr, "couldn't open file %s\n", openFileName == NULL ? filename : openFileName); | |
769 | goto finish; | |
770 | } | |
771 | if (ucbuf == NULL || U_FAILURE(*status)) { | |
772 | fprintf(stderr, "An error occured processing file %s. Error: %s\n", openFileName == NULL ? filename : openFileName,u_errorName(*status)); | |
773 | goto finish; | |
774 | } | |
775 | ||
776 | /* Parse the data into an SRBRoot */ | |
777 | data = parse(ucbuf, genrbdata->inputDir, genrbdata->outputDir, status); | |
778 | ||
779 | root = data->fRoot; | |
780 | collations = resLookup(root, "collations"); | |
781 | collation = resLookup(collations, type); | |
782 | sequence = resLookup(collation, "Sequence"); | |
783 | urules = sequence->u.fString.fChars; | |
784 | urulesLength = sequence->u.fString.fLength; | |
785 | *pLength = urulesLength; | |
786 | ||
787 | finish: | |
788 | ||
789 | if (inputDirBuf != NULL) { | |
790 | uprv_free(inputDirBuf); | |
791 | } | |
792 | ||
793 | if (openFileName != NULL) { | |
794 | uprv_free(openFileName); | |
795 | } | |
796 | ||
797 | if(ucbuf) { | |
798 | ucbuf_close(ucbuf); | |
799 | } | |
800 | ||
801 | return urules; | |
802 | } | |
803 | ||
804 | static struct SResource * | |
805 | addCollation(ParseState* state, struct SResource *result, uint32_t startline, UErrorCode *status) | |
806 | { | |
807 | struct SResource *member = NULL; | |
808 | struct UString *tokenValue; | |
809 | struct UString comment; | |
810 | enum ETokenType token; | |
811 | char subtag[1024]; | |
812 | UVersionInfo version; | |
813 | UBool override = FALSE; | |
814 | uint32_t line; | |
815 | GenrbData genrbdata; | |
816 | /* '{' . (name resource)* '}' */ | |
817 | version[0]=0; version[1]=0; version[2]=0; version[3]=0; | |
818 | ||
819 | for (;;) | |
820 | { | |
821 | ustr_init(&comment); | |
822 | token = getToken(state, &tokenValue, &comment, &line, status); | |
823 | ||
824 | if (token == TOK_CLOSE_BRACE) | |
825 | { | |
826 | return result; | |
827 | } | |
828 | ||
829 | if (token != TOK_STRING) | |
830 | { | |
831 | res_close(result); | |
832 | *status = U_INVALID_FORMAT_ERROR; | |
833 | ||
834 | if (token == TOK_EOF) | |
835 | { | |
836 | error(startline, "unterminated table"); | |
837 | } | |
838 | else | |
839 | { | |
840 | error(line, "Unexpected token %s", tokenNames[token]); | |
841 | } | |
842 | ||
843 | return NULL; | |
844 | } | |
845 | ||
846 | u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); | |
847 | ||
848 | if (U_FAILURE(*status)) | |
849 | { | |
850 | res_close(result); | |
851 | return NULL; | |
852 | } | |
853 | ||
854 | member = parseResource(state, subtag, NULL, status); | |
855 | ||
856 | if (U_FAILURE(*status)) | |
857 | { | |
858 | res_close(result); | |
859 | return NULL; | |
860 | } | |
861 | ||
862 | if (uprv_strcmp(subtag, "Version") == 0) | |
863 | { | |
864 | char ver[40]; | |
865 | int32_t length = member->u.fString.fLength; | |
866 | ||
867 | if (length >= (int32_t) sizeof(ver)) | |
868 | { | |
869 | length = (int32_t) sizeof(ver) - 1; | |
870 | } | |
871 | ||
872 | u_UCharsToChars(member->u.fString.fChars, ver, length + 1); /* +1 for copying NULL */ | |
873 | u_versionFromString(version, ver); | |
874 | ||
875 | table_add(result, member, line, status); | |
876 | ||
877 | } | |
878 | else if (uprv_strcmp(subtag, "Override") == 0) | |
879 | { | |
880 | override = FALSE; | |
881 | ||
882 | if (u_strncmp(member->u.fString.fChars, trueValue, u_strlen(trueValue)) == 0) | |
883 | { | |
884 | override = TRUE; | |
885 | } | |
886 | table_add(result, member, line, status); | |
887 | ||
888 | } | |
889 | else if(uprv_strcmp(subtag, "%%CollationBin")==0) | |
890 | { | |
891 | /* discard duplicate %%CollationBin if any*/ | |
892 | } | |
893 | else if (uprv_strcmp(subtag, "Sequence") == 0) | |
894 | { | |
895 | #if UCONFIG_NO_COLLATION || UCONFIG_NO_FILE_IO | |
896 | warning(line, "Not building collation elements because of UCONFIG_NO_COLLATION and/or UCONFIG_NO_FILE_IO, see uconfig.h"); | |
897 | #else | |
898 | if(gMakeBinaryCollation) { | |
899 | UErrorCode intStatus = U_ZERO_ERROR; | |
900 | ||
901 | /* do the collation elements */ | |
902 | int32_t len = 0; | |
903 | uint8_t *data = NULL; | |
904 | UCollator *coll = NULL; | |
905 | int32_t reorderCodes[USCRIPT_CODE_LIMIT + (UCOL_REORDER_CODE_LIMIT - UCOL_REORDER_CODE_FIRST)]; | |
906 | uint32_t reorderCodeCount; | |
907 | int32_t reorderCodeIndex; | |
908 | UParseError parseError; | |
909 | ||
910 | genrbdata.inputDir = state->inputdir; | |
911 | genrbdata.outputDir = state->outputdir; | |
912 | ||
913 | coll = ucol_openRulesForImport(member->u.fString.fChars, member->u.fString.fLength, | |
914 | UCOL_OFF, UCOL_DEFAULT_STRENGTH,&parseError, importFromDataFile, &genrbdata, &intStatus); | |
915 | ||
916 | if (U_SUCCESS(intStatus) && coll != NULL) | |
917 | { | |
918 | len = ucol_cloneBinary(coll, NULL, 0, &intStatus); | |
919 | data = (uint8_t *)uprv_malloc(len); | |
920 | intStatus = U_ZERO_ERROR; | |
921 | len = ucol_cloneBinary(coll, data, len, &intStatus); | |
922 | /*data = ucol_cloneRuleData(coll, &len, &intStatus);*/ | |
923 | ||
924 | /* tailoring rules version */ | |
925 | /* This is wrong! */ | |
926 | /*coll->dataInfo.dataVersion[1] = version[0];*/ | |
927 | /* Copy tailoring version. Builder version already */ | |
928 | /* set in ucol_openRules */ | |
929 | ((UCATableHeader *)data)->version[1] = version[0]; | |
930 | ((UCATableHeader *)data)->version[2] = version[1]; | |
931 | ((UCATableHeader *)data)->version[3] = version[2]; | |
932 | ||
933 | if (U_SUCCESS(intStatus) && data != NULL) | |
934 | { | |
935 | struct SResource *collationBin = bin_open(state->bundle, "%%CollationBin", len, data, NULL, NULL, status); | |
936 | table_add(result, collationBin, line, status); | |
937 | uprv_free(data); | |
938 | ||
939 | reorderCodeCount = ucol_getReorderCodes( | |
940 | coll, reorderCodes, USCRIPT_CODE_LIMIT + (UCOL_REORDER_CODE_LIMIT - UCOL_REORDER_CODE_FIRST), &intStatus); | |
941 | if (U_SUCCESS(intStatus) && reorderCodeCount > 0) { | |
942 | struct SResource *reorderCodeRes = intvector_open(state->bundle, "%%ReorderCodes", NULL, status); | |
943 | for (reorderCodeIndex = 0; reorderCodeIndex < reorderCodeCount; reorderCodeIndex++) { | |
944 | intvector_add(reorderCodeRes, reorderCodes[reorderCodeIndex], status); | |
945 | } | |
946 | table_add(result, reorderCodeRes, line, status); | |
947 | } | |
948 | } | |
949 | else | |
950 | { | |
951 | warning(line, "could not obtain rules from collator"); | |
952 | if(isStrict()){ | |
953 | *status = U_INVALID_FORMAT_ERROR; | |
954 | return NULL; | |
955 | } | |
956 | } | |
957 | ||
958 | ucol_close(coll); | |
959 | } | |
960 | else | |
961 | { | |
962 | if(intStatus == U_FILE_ACCESS_ERROR) { | |
963 | error(startline, "Collation could not be built- U_FILE_ACCESS_ERROR. Make sure ICU's data has been built and is loading properly."); | |
964 | *status = intStatus; | |
965 | return NULL; | |
966 | } | |
967 | warning(line, "%%Collation could not be constructed from CollationElements - check context!"); | |
968 | if(isStrict()){ | |
969 | *status = intStatus; | |
970 | return NULL; | |
971 | } | |
972 | } | |
973 | } else { | |
974 | if(isVerbose()) { | |
975 | printf("Not building Collation binary\n"); | |
976 | } | |
977 | } | |
978 | #endif | |
979 | /* in order to achieve smaller data files, we can direct genrb */ | |
980 | /* to omit collation rules */ | |
981 | if(gOmitCollationRules) { | |
982 | bundle_closeString(state->bundle, member); | |
983 | } else { | |
984 | table_add(result, member, line, status); | |
985 | } | |
986 | } | |
987 | ||
988 | /*member = string_open(bundle, subtag, tokenValue->fChars, tokenValue->fLength, status);*/ | |
989 | ||
990 | /*expect(TOK_CLOSE_BRACE, NULL, NULL, status);*/ | |
991 | ||
992 | if (U_FAILURE(*status)) | |
993 | { | |
994 | res_close(result); | |
995 | return NULL; | |
996 | } | |
997 | } | |
998 | ||
999 | /* not reached */ | |
1000 | /* A compiler warning will appear if all paths don't contain a return statement. */ | |
1001 | /* *status = U_INTERNAL_PROGRAM_ERROR; | |
1002 | return NULL;*/ | |
1003 | } | |
1004 | ||
1005 | static struct SResource * | |
1006 | parseCollationElements(ParseState* state, char *tag, uint32_t startline, UBool newCollation, UErrorCode *status) | |
1007 | { | |
1008 | struct SResource *result = NULL; | |
1009 | struct SResource *member = NULL; | |
1010 | struct SResource *collationRes = NULL; | |
1011 | struct UString *tokenValue; | |
1012 | struct UString comment; | |
1013 | enum ETokenType token; | |
1014 | char subtag[1024], typeKeyword[1024]; | |
1015 | uint32_t line; | |
1016 | ||
1017 | result = table_open(state->bundle, tag, NULL, status); | |
1018 | ||
1019 | if (result == NULL || U_FAILURE(*status)) | |
1020 | { | |
1021 | return NULL; | |
1022 | } | |
1023 | if(isVerbose()){ | |
1024 | printf(" collation elements %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1025 | } | |
1026 | if(!newCollation) { | |
1027 | return addCollation(state, result, startline, status); | |
1028 | } | |
1029 | else { | |
1030 | for(;;) { | |
1031 | ustr_init(&comment); | |
1032 | token = getToken(state, &tokenValue, &comment, &line, status); | |
1033 | ||
1034 | if (token == TOK_CLOSE_BRACE) | |
1035 | { | |
1036 | return result; | |
1037 | } | |
1038 | ||
1039 | if (token != TOK_STRING) | |
1040 | { | |
1041 | res_close(result); | |
1042 | *status = U_INVALID_FORMAT_ERROR; | |
1043 | ||
1044 | if (token == TOK_EOF) | |
1045 | { | |
1046 | error(startline, "unterminated table"); | |
1047 | } | |
1048 | else | |
1049 | { | |
1050 | error(line, "Unexpected token %s", tokenNames[token]); | |
1051 | } | |
1052 | ||
1053 | return NULL; | |
1054 | } | |
1055 | ||
1056 | u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); | |
1057 | ||
1058 | if (U_FAILURE(*status)) | |
1059 | { | |
1060 | res_close(result); | |
1061 | return NULL; | |
1062 | } | |
1063 | ||
1064 | if (uprv_strcmp(subtag, "default") == 0) | |
1065 | { | |
1066 | member = parseResource(state, subtag, NULL, status); | |
1067 | ||
1068 | if (U_FAILURE(*status)) | |
1069 | { | |
1070 | res_close(result); | |
1071 | return NULL; | |
1072 | } | |
1073 | ||
1074 | table_add(result, member, line, status); | |
1075 | } | |
1076 | else | |
1077 | { | |
1078 | token = peekToken(state, 0, &tokenValue, &line, &comment, status); | |
1079 | /* this probably needs to be refactored or recursively use the parser */ | |
1080 | /* first we assume that our collation table won't have the explicit type */ | |
1081 | /* then, we cannot handle aliases */ | |
1082 | if(token == TOK_OPEN_BRACE) { | |
1083 | token = getToken(state, &tokenValue, &comment, &line, status); | |
1084 | collationRes = table_open(state->bundle, subtag, NULL, status); | |
1085 | collationRes = addCollation(state, collationRes, startline, status); /* need to parse the collation data regardless */ | |
1086 | if (gIncludeUnihanColl || uprv_strcmp(subtag, "unihan") != 0) { | |
1087 | table_add(result, collationRes, startline, status); | |
1088 | } | |
1089 | } else if(token == TOK_COLON) { /* right now, we'll just try to see if we have aliases */ | |
1090 | /* we could have a table too */ | |
1091 | token = peekToken(state, 1, &tokenValue, &line, &comment, status); | |
1092 | u_UCharsToChars(tokenValue->fChars, typeKeyword, u_strlen(tokenValue->fChars) + 1); | |
1093 | if(uprv_strcmp(typeKeyword, "alias") == 0) { | |
1094 | member = parseResource(state, subtag, NULL, status); | |
1095 | ||
1096 | if (U_FAILURE(*status)) | |
1097 | { | |
1098 | res_close(result); | |
1099 | return NULL; | |
1100 | } | |
1101 | ||
1102 | table_add(result, member, line, status); | |
1103 | } else { | |
1104 | res_close(result); | |
1105 | *status = U_INVALID_FORMAT_ERROR; | |
1106 | return NULL; | |
1107 | } | |
1108 | } else { | |
1109 | res_close(result); | |
1110 | *status = U_INVALID_FORMAT_ERROR; | |
1111 | return NULL; | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | /*member = string_open(bundle, subtag, tokenValue->fChars, tokenValue->fLength, status);*/ | |
1116 | ||
1117 | /*expect(TOK_CLOSE_BRACE, NULL, NULL, status);*/ | |
1118 | ||
1119 | if (U_FAILURE(*status)) | |
1120 | { | |
1121 | res_close(result); | |
1122 | return NULL; | |
1123 | } | |
1124 | } | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | /* Necessary, because CollationElements requires the bundle->fRoot member to be present which, | |
1129 | if this weren't special-cased, wouldn't be set until the entire file had been processed. */ | |
1130 | static struct SResource * | |
1131 | realParseTable(ParseState* state, struct SResource *table, char *tag, uint32_t startline, UErrorCode *status) | |
1132 | { | |
1133 | struct SResource *member = NULL; | |
1134 | struct UString *tokenValue=NULL; | |
1135 | struct UString comment; | |
1136 | enum ETokenType token; | |
1137 | char subtag[1024]; | |
1138 | uint32_t line; | |
1139 | UBool readToken = FALSE; | |
1140 | ||
1141 | /* '{' . (name resource)* '}' */ | |
1142 | if(isVerbose()){ | |
1143 | printf(" parsing table %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1144 | } | |
1145 | for (;;) | |
1146 | { | |
1147 | ustr_init(&comment); | |
1148 | token = getToken(state, &tokenValue, &comment, &line, status); | |
1149 | ||
1150 | if (token == TOK_CLOSE_BRACE) | |
1151 | { | |
1152 | if (!readToken) { | |
1153 | warning(startline, "Encountered empty table"); | |
1154 | } | |
1155 | return table; | |
1156 | } | |
1157 | ||
1158 | if (token != TOK_STRING) | |
1159 | { | |
1160 | *status = U_INVALID_FORMAT_ERROR; | |
1161 | ||
1162 | if (token == TOK_EOF) | |
1163 | { | |
1164 | error(startline, "unterminated table"); | |
1165 | } | |
1166 | else | |
1167 | { | |
1168 | error(line, "unexpected token %s", tokenNames[token]); | |
1169 | } | |
1170 | ||
1171 | return NULL; | |
1172 | } | |
1173 | ||
1174 | if(uprv_isInvariantUString(tokenValue->fChars, -1)) { | |
1175 | u_UCharsToChars(tokenValue->fChars, subtag, u_strlen(tokenValue->fChars) + 1); | |
1176 | } else { | |
1177 | *status = U_INVALID_FORMAT_ERROR; | |
1178 | error(line, "invariant characters required for table keys"); | |
1179 | return NULL; | |
1180 | } | |
1181 | ||
1182 | if (U_FAILURE(*status)) | |
1183 | { | |
1184 | error(line, "parse error. Stopped parsing tokens with %s", u_errorName(*status)); | |
1185 | return NULL; | |
1186 | } | |
1187 | ||
1188 | member = parseResource(state, subtag, &comment, status); | |
1189 | ||
1190 | if (member == NULL || U_FAILURE(*status)) | |
1191 | { | |
1192 | error(line, "parse error. Stopped parsing resource with %s", u_errorName(*status)); | |
1193 | return NULL; | |
1194 | } | |
1195 | ||
1196 | table_add(table, member, line, status); | |
1197 | ||
1198 | if (U_FAILURE(*status)) | |
1199 | { | |
1200 | error(line, "parse error. Stopped parsing table with %s", u_errorName(*status)); | |
1201 | return NULL; | |
1202 | } | |
1203 | readToken = TRUE; | |
1204 | ustr_deinit(&comment); | |
1205 | } | |
1206 | ||
1207 | /* not reached */ | |
1208 | /* A compiler warning will appear if all paths don't contain a return statement. */ | |
1209 | /* *status = U_INTERNAL_PROGRAM_ERROR; | |
1210 | return NULL;*/ | |
1211 | } | |
1212 | ||
1213 | static struct SResource * | |
1214 | parseTable(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
1215 | { | |
1216 | struct SResource *result; | |
1217 | ||
1218 | if (tag != NULL && uprv_strcmp(tag, "CollationElements") == 0) | |
1219 | { | |
1220 | return parseCollationElements(state, tag, startline, FALSE, status); | |
1221 | } | |
1222 | if (tag != NULL && uprv_strcmp(tag, "collations") == 0) | |
1223 | { | |
1224 | return parseCollationElements(state, tag, startline, TRUE, status); | |
1225 | } | |
1226 | if(isVerbose()){ | |
1227 | printf(" table %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1228 | } | |
1229 | ||
1230 | result = table_open(state->bundle, tag, comment, status); | |
1231 | ||
1232 | if (result == NULL || U_FAILURE(*status)) | |
1233 | { | |
1234 | return NULL; | |
1235 | } | |
1236 | ||
1237 | return realParseTable(state, result, tag, startline, status); | |
1238 | } | |
1239 | ||
1240 | static struct SResource * | |
1241 | parseArray(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
1242 | { | |
1243 | struct SResource *result = NULL; | |
1244 | struct SResource *member = NULL; | |
1245 | struct UString *tokenValue; | |
1246 | struct UString memberComments; | |
1247 | enum ETokenType token; | |
1248 | UBool readToken = FALSE; | |
1249 | ||
1250 | result = array_open(state->bundle, tag, comment, status); | |
1251 | ||
1252 | if (result == NULL || U_FAILURE(*status)) | |
1253 | { | |
1254 | return NULL; | |
1255 | } | |
1256 | if(isVerbose()){ | |
1257 | printf(" array %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1258 | } | |
1259 | ||
1260 | ustr_init(&memberComments); | |
1261 | ||
1262 | /* '{' . resource [','] '}' */ | |
1263 | for (;;) | |
1264 | { | |
1265 | /* reset length */ | |
1266 | ustr_setlen(&memberComments, 0, status); | |
1267 | ||
1268 | /* check for end of array, but don't consume next token unless it really is the end */ | |
1269 | token = peekToken(state, 0, &tokenValue, NULL, &memberComments, status); | |
1270 | ||
1271 | ||
1272 | if (token == TOK_CLOSE_BRACE) | |
1273 | { | |
1274 | getToken(state, NULL, NULL, NULL, status); | |
1275 | if (!readToken) { | |
1276 | warning(startline, "Encountered empty array"); | |
1277 | } | |
1278 | break; | |
1279 | } | |
1280 | ||
1281 | if (token == TOK_EOF) | |
1282 | { | |
1283 | res_close(result); | |
1284 | *status = U_INVALID_FORMAT_ERROR; | |
1285 | error(startline, "unterminated array"); | |
1286 | return NULL; | |
1287 | } | |
1288 | ||
1289 | /* string arrays are a special case */ | |
1290 | if (token == TOK_STRING) | |
1291 | { | |
1292 | getToken(state, &tokenValue, &memberComments, NULL, status); | |
1293 | member = string_open(state->bundle, NULL, tokenValue->fChars, tokenValue->fLength, &memberComments, status); | |
1294 | } | |
1295 | else | |
1296 | { | |
1297 | member = parseResource(state, NULL, &memberComments, status); | |
1298 | } | |
1299 | ||
1300 | if (member == NULL || U_FAILURE(*status)) | |
1301 | { | |
1302 | res_close(result); | |
1303 | return NULL; | |
1304 | } | |
1305 | ||
1306 | array_add(result, member, status); | |
1307 | ||
1308 | if (U_FAILURE(*status)) | |
1309 | { | |
1310 | res_close(result); | |
1311 | return NULL; | |
1312 | } | |
1313 | ||
1314 | /* eat optional comma if present */ | |
1315 | token = peekToken(state, 0, NULL, NULL, NULL, status); | |
1316 | ||
1317 | if (token == TOK_COMMA) | |
1318 | { | |
1319 | getToken(state, NULL, NULL, NULL, status); | |
1320 | } | |
1321 | ||
1322 | if (U_FAILURE(*status)) | |
1323 | { | |
1324 | res_close(result); | |
1325 | return NULL; | |
1326 | } | |
1327 | readToken = TRUE; | |
1328 | } | |
1329 | ||
1330 | ustr_deinit(&memberComments); | |
1331 | return result; | |
1332 | } | |
1333 | ||
1334 | static struct SResource * | |
1335 | parseIntVector(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
1336 | { | |
1337 | struct SResource *result = NULL; | |
1338 | enum ETokenType token; | |
1339 | char *string; | |
1340 | int32_t value; | |
1341 | UBool readToken = FALSE; | |
1342 | char *stopstring; | |
1343 | uint32_t len; | |
1344 | struct UString memberComments; | |
1345 | ||
1346 | result = intvector_open(state->bundle, tag, comment, status); | |
1347 | ||
1348 | if (result == NULL || U_FAILURE(*status)) | |
1349 | { | |
1350 | return NULL; | |
1351 | } | |
1352 | ||
1353 | if(isVerbose()){ | |
1354 | printf(" vector %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1355 | } | |
1356 | ustr_init(&memberComments); | |
1357 | /* '{' . string [','] '}' */ | |
1358 | for (;;) | |
1359 | { | |
1360 | ustr_setlen(&memberComments, 0, status); | |
1361 | ||
1362 | /* check for end of array, but don't consume next token unless it really is the end */ | |
1363 | token = peekToken(state, 0, NULL, NULL,&memberComments, status); | |
1364 | ||
1365 | if (token == TOK_CLOSE_BRACE) | |
1366 | { | |
1367 | /* it's the end, consume the close brace */ | |
1368 | getToken(state, NULL, NULL, NULL, status); | |
1369 | if (!readToken) { | |
1370 | warning(startline, "Encountered empty int vector"); | |
1371 | } | |
1372 | ustr_deinit(&memberComments); | |
1373 | return result; | |
1374 | } | |
1375 | ||
1376 | string = getInvariantString(state, NULL, NULL, status); | |
1377 | ||
1378 | if (U_FAILURE(*status)) | |
1379 | { | |
1380 | res_close(result); | |
1381 | return NULL; | |
1382 | } | |
1383 | ||
1384 | /* For handling illegal char in the Intvector */ | |
1385 | value = uprv_strtoul(string, &stopstring, 0);/* make intvector support decimal,hexdigit,octal digit ranging from -2^31-2^32-1*/ | |
1386 | len=(uint32_t)(stopstring-string); | |
1387 | ||
1388 | if(len==uprv_strlen(string)) | |
1389 | { | |
1390 | intvector_add(result, value, status); | |
1391 | uprv_free(string); | |
1392 | token = peekToken(state, 0, NULL, NULL, NULL, status); | |
1393 | } | |
1394 | else | |
1395 | { | |
1396 | uprv_free(string); | |
1397 | *status=U_INVALID_CHAR_FOUND; | |
1398 | } | |
1399 | ||
1400 | if (U_FAILURE(*status)) | |
1401 | { | |
1402 | res_close(result); | |
1403 | return NULL; | |
1404 | } | |
1405 | ||
1406 | /* the comma is optional (even though it is required to prevent the reader from concatenating | |
1407 | consecutive entries) so that a missing comma on the last entry isn't an error */ | |
1408 | if (token == TOK_COMMA) | |
1409 | { | |
1410 | getToken(state, NULL, NULL, NULL, status); | |
1411 | } | |
1412 | readToken = TRUE; | |
1413 | } | |
1414 | ||
1415 | /* not reached */ | |
1416 | /* A compiler warning will appear if all paths don't contain a return statement. */ | |
1417 | /* intvector_close(result, status); | |
1418 | *status = U_INTERNAL_PROGRAM_ERROR; | |
1419 | return NULL;*/ | |
1420 | } | |
1421 | ||
1422 | static struct SResource * | |
1423 | parseBinary(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
1424 | { | |
1425 | struct SResource *result = NULL; | |
1426 | uint8_t *value; | |
1427 | char *string; | |
1428 | char toConv[3] = {'\0', '\0', '\0'}; | |
1429 | uint32_t count; | |
1430 | uint32_t i; | |
1431 | uint32_t line; | |
1432 | char *stopstring; | |
1433 | uint32_t len; | |
1434 | ||
1435 | string = getInvariantString(state, &line, NULL, status); | |
1436 | ||
1437 | if (string == NULL || U_FAILURE(*status)) | |
1438 | { | |
1439 | return NULL; | |
1440 | } | |
1441 | ||
1442 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
1443 | ||
1444 | if (U_FAILURE(*status)) | |
1445 | { | |
1446 | uprv_free(string); | |
1447 | return NULL; | |
1448 | } | |
1449 | ||
1450 | if(isVerbose()){ | |
1451 | printf(" binary %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1452 | } | |
1453 | ||
1454 | count = (uint32_t)uprv_strlen(string); | |
1455 | if (count > 0){ | |
1456 | if((count % 2)==0){ | |
1457 | value = uprv_malloc(sizeof(uint8_t) * count); | |
1458 | ||
1459 | if (value == NULL) | |
1460 | { | |
1461 | uprv_free(string); | |
1462 | *status = U_MEMORY_ALLOCATION_ERROR; | |
1463 | return NULL; | |
1464 | } | |
1465 | ||
1466 | for (i = 0; i < count; i += 2) | |
1467 | { | |
1468 | toConv[0] = string[i]; | |
1469 | toConv[1] = string[i + 1]; | |
1470 | ||
1471 | value[i >> 1] = (uint8_t) uprv_strtoul(toConv, &stopstring, 16); | |
1472 | len=(uint32_t)(stopstring-toConv); | |
1473 | ||
1474 | if(len!=uprv_strlen(toConv)) | |
1475 | { | |
1476 | uprv_free(string); | |
1477 | *status=U_INVALID_CHAR_FOUND; | |
1478 | return NULL; | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | result = bin_open(state->bundle, tag, (i >> 1), value,NULL, comment, status); | |
1483 | ||
1484 | uprv_free(value); | |
1485 | } | |
1486 | else | |
1487 | { | |
1488 | *status = U_INVALID_CHAR_FOUND; | |
1489 | uprv_free(string); | |
1490 | error(line, "Encountered invalid binary string"); | |
1491 | return NULL; | |
1492 | } | |
1493 | } | |
1494 | else | |
1495 | { | |
1496 | result = bin_open(state->bundle, tag, 0, NULL, "",comment,status); | |
1497 | warning(startline, "Encountered empty binary tag"); | |
1498 | } | |
1499 | uprv_free(string); | |
1500 | ||
1501 | return result; | |
1502 | } | |
1503 | ||
1504 | static struct SResource * | |
1505 | parseInteger(ParseState* state, char *tag, uint32_t startline, const struct UString *comment, UErrorCode *status) | |
1506 | { | |
1507 | struct SResource *result = NULL; | |
1508 | int32_t value; | |
1509 | char *string; | |
1510 | char *stopstring; | |
1511 | uint32_t len; | |
1512 | ||
1513 | string = getInvariantString(state, NULL, NULL, status); | |
1514 | ||
1515 | if (string == NULL || U_FAILURE(*status)) | |
1516 | { | |
1517 | return NULL; | |
1518 | } | |
1519 | ||
1520 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
1521 | ||
1522 | if (U_FAILURE(*status)) | |
1523 | { | |
1524 | uprv_free(string); | |
1525 | return NULL; | |
1526 | } | |
1527 | ||
1528 | if(isVerbose()){ | |
1529 | printf(" integer %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1530 | } | |
1531 | ||
1532 | if (uprv_strlen(string) <= 0) | |
1533 | { | |
1534 | warning(startline, "Encountered empty integer. Default value is 0."); | |
1535 | } | |
1536 | ||
1537 | /* Allow integer support for hexdecimal, octal digit and decimal*/ | |
1538 | /* and handle illegal char in the integer*/ | |
1539 | value = uprv_strtoul(string, &stopstring, 0); | |
1540 | len=(uint32_t)(stopstring-string); | |
1541 | if(len==uprv_strlen(string)) | |
1542 | { | |
1543 | result = int_open(state->bundle, tag, value, comment, status); | |
1544 | } | |
1545 | else | |
1546 | { | |
1547 | *status=U_INVALID_CHAR_FOUND; | |
1548 | } | |
1549 | uprv_free(string); | |
1550 | ||
1551 | return result; | |
1552 | } | |
1553 | ||
1554 | static struct SResource * | |
1555 | parseImport(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
1556 | { | |
1557 | struct SResource *result; | |
1558 | FileStream *file; | |
1559 | int32_t len; | |
1560 | uint8_t *data; | |
1561 | char *filename; | |
1562 | uint32_t line; | |
1563 | char *fullname = NULL; | |
1564 | int32_t numRead = 0; | |
1565 | filename = getInvariantString(state, &line, NULL, status); | |
1566 | ||
1567 | if (U_FAILURE(*status)) | |
1568 | { | |
1569 | return NULL; | |
1570 | } | |
1571 | ||
1572 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
1573 | ||
1574 | if (U_FAILURE(*status)) | |
1575 | { | |
1576 | uprv_free(filename); | |
1577 | return NULL; | |
1578 | } | |
1579 | ||
1580 | if(isVerbose()){ | |
1581 | printf(" import %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1582 | } | |
1583 | ||
1584 | /* Open the input file for reading */ | |
1585 | if (state->inputdir == NULL) | |
1586 | { | |
1587 | #if 1 | |
1588 | /* | |
1589 | * Always save file file name, even if there's | |
1590 | * no input directory specified. MIGHT BREAK SOMETHING | |
1591 | */ | |
1592 | int32_t filenameLength = uprv_strlen(filename); | |
1593 | ||
1594 | fullname = (char *) uprv_malloc(filenameLength + 1); | |
1595 | uprv_strcpy(fullname, filename); | |
1596 | #endif | |
1597 | ||
1598 | file = T_FileStream_open(filename, "rb"); | |
1599 | } | |
1600 | else | |
1601 | { | |
1602 | ||
1603 | int32_t count = (int32_t)uprv_strlen(filename); | |
1604 | ||
1605 | if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) | |
1606 | { | |
1607 | fullname = (char *) uprv_malloc(state->inputdirLength + count + 2); | |
1608 | ||
1609 | /* test for NULL */ | |
1610 | if(fullname == NULL) | |
1611 | { | |
1612 | *status = U_MEMORY_ALLOCATION_ERROR; | |
1613 | return NULL; | |
1614 | } | |
1615 | ||
1616 | uprv_strcpy(fullname, state->inputdir); | |
1617 | ||
1618 | fullname[state->inputdirLength] = U_FILE_SEP_CHAR; | |
1619 | fullname[state->inputdirLength + 1] = '\0'; | |
1620 | ||
1621 | uprv_strcat(fullname, filename); | |
1622 | } | |
1623 | else | |
1624 | { | |
1625 | fullname = (char *) uprv_malloc(state->inputdirLength + count + 1); | |
1626 | ||
1627 | /* test for NULL */ | |
1628 | if(fullname == NULL) | |
1629 | { | |
1630 | *status = U_MEMORY_ALLOCATION_ERROR; | |
1631 | return NULL; | |
1632 | } | |
1633 | ||
1634 | uprv_strcpy(fullname, state->inputdir); | |
1635 | uprv_strcat(fullname, filename); | |
1636 | } | |
1637 | ||
1638 | file = T_FileStream_open(fullname, "rb"); | |
1639 | ||
1640 | } | |
1641 | ||
1642 | if (file == NULL) | |
1643 | { | |
1644 | error(line, "couldn't open input file %s", filename); | |
1645 | *status = U_FILE_ACCESS_ERROR; | |
1646 | return NULL; | |
1647 | } | |
1648 | ||
1649 | len = T_FileStream_size(file); | |
1650 | data = (uint8_t*)uprv_malloc(len * sizeof(uint8_t)); | |
1651 | /* test for NULL */ | |
1652 | if(data == NULL) | |
1653 | { | |
1654 | *status = U_MEMORY_ALLOCATION_ERROR; | |
1655 | T_FileStream_close (file); | |
1656 | return NULL; | |
1657 | } | |
1658 | ||
1659 | numRead = T_FileStream_read (file, data, len); | |
1660 | T_FileStream_close (file); | |
1661 | ||
1662 | result = bin_open(state->bundle, tag, len, data, fullname, comment, status); | |
1663 | ||
1664 | uprv_free(data); | |
1665 | uprv_free(filename); | |
1666 | uprv_free(fullname); | |
1667 | ||
1668 | return result; | |
1669 | } | |
1670 | ||
1671 | static struct SResource * | |
1672 | parseInclude(ParseState* state, char *tag, uint32_t startline, const struct UString* comment, UErrorCode *status) | |
1673 | { | |
1674 | struct SResource *result; | |
1675 | int32_t len=0; | |
1676 | char *filename; | |
1677 | uint32_t line; | |
1678 | UChar *pTarget = NULL; | |
1679 | ||
1680 | UCHARBUF *ucbuf; | |
1681 | char *fullname = NULL; | |
1682 | int32_t count = 0; | |
1683 | const char* cp = NULL; | |
1684 | const UChar* uBuffer = NULL; | |
1685 | ||
1686 | filename = getInvariantString(state, &line, NULL, status); | |
1687 | count = (int32_t)uprv_strlen(filename); | |
1688 | ||
1689 | if (U_FAILURE(*status)) | |
1690 | { | |
1691 | return NULL; | |
1692 | } | |
1693 | ||
1694 | expect(state, TOK_CLOSE_BRACE, NULL, NULL, NULL, status); | |
1695 | ||
1696 | if (U_FAILURE(*status)) | |
1697 | { | |
1698 | uprv_free(filename); | |
1699 | return NULL; | |
1700 | } | |
1701 | ||
1702 | if(isVerbose()){ | |
1703 | printf(" include %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1704 | } | |
1705 | ||
1706 | fullname = (char *) uprv_malloc(state->inputdirLength + count + 2); | |
1707 | /* test for NULL */ | |
1708 | if(fullname == NULL) | |
1709 | { | |
1710 | *status = U_MEMORY_ALLOCATION_ERROR; | |
1711 | uprv_free(filename); | |
1712 | return NULL; | |
1713 | } | |
1714 | ||
1715 | if(state->inputdir!=NULL){ | |
1716 | if (state->inputdir[state->inputdirLength - 1] != U_FILE_SEP_CHAR) | |
1717 | { | |
1718 | ||
1719 | uprv_strcpy(fullname, state->inputdir); | |
1720 | ||
1721 | fullname[state->inputdirLength] = U_FILE_SEP_CHAR; | |
1722 | fullname[state->inputdirLength + 1] = '\0'; | |
1723 | ||
1724 | uprv_strcat(fullname, filename); | |
1725 | } | |
1726 | else | |
1727 | { | |
1728 | uprv_strcpy(fullname, state->inputdir); | |
1729 | uprv_strcat(fullname, filename); | |
1730 | } | |
1731 | }else{ | |
1732 | uprv_strcpy(fullname,filename); | |
1733 | } | |
1734 | ||
1735 | ucbuf = ucbuf_open(fullname, &cp,getShowWarning(),FALSE,status); | |
1736 | ||
1737 | if (U_FAILURE(*status)) { | |
1738 | error(line, "couldn't open input file %s\n", filename); | |
1739 | return NULL; | |
1740 | } | |
1741 | ||
1742 | uBuffer = ucbuf_getBuffer(ucbuf,&len,status); | |
1743 | result = string_open(state->bundle, tag, uBuffer, len, comment, status); | |
1744 | ||
1745 | uprv_free(pTarget); | |
1746 | ||
1747 | uprv_free(filename); | |
1748 | uprv_free(fullname); | |
1749 | ||
1750 | return result; | |
1751 | } | |
1752 | ||
1753 | ||
1754 | ||
1755 | ||
1756 | ||
1757 | U_STRING_DECL(k_type_string, "string", 6); | |
1758 | U_STRING_DECL(k_type_binary, "binary", 6); | |
1759 | U_STRING_DECL(k_type_bin, "bin", 3); | |
1760 | U_STRING_DECL(k_type_table, "table", 5); | |
1761 | U_STRING_DECL(k_type_table_no_fallback, "table(nofallback)", 17); | |
1762 | U_STRING_DECL(k_type_int, "int", 3); | |
1763 | U_STRING_DECL(k_type_integer, "integer", 7); | |
1764 | U_STRING_DECL(k_type_array, "array", 5); | |
1765 | U_STRING_DECL(k_type_alias, "alias", 5); | |
1766 | U_STRING_DECL(k_type_intvector, "intvector", 9); | |
1767 | U_STRING_DECL(k_type_import, "import", 6); | |
1768 | U_STRING_DECL(k_type_include, "include", 7); | |
1769 | U_STRING_DECL(k_type_reserved, "reserved", 8); | |
1770 | ||
1771 | /* Various non-standard processing plugins that create one or more special resources. */ | |
1772 | U_STRING_DECL(k_type_plugin_uca_rules, "process(uca_rules)", 18); | |
1773 | U_STRING_DECL(k_type_plugin_collation, "process(collation)", 18); | |
1774 | U_STRING_DECL(k_type_plugin_transliterator, "process(transliterator)", 23); | |
1775 | U_STRING_DECL(k_type_plugin_dependency, "process(dependency)", 19); | |
1776 | ||
1777 | typedef enum EResourceType | |
1778 | { | |
1779 | RT_UNKNOWN, | |
1780 | RT_STRING, | |
1781 | RT_BINARY, | |
1782 | RT_TABLE, | |
1783 | RT_TABLE_NO_FALLBACK, | |
1784 | RT_INTEGER, | |
1785 | RT_ARRAY, | |
1786 | RT_ALIAS, | |
1787 | RT_INTVECTOR, | |
1788 | RT_IMPORT, | |
1789 | RT_INCLUDE, | |
1790 | RT_PROCESS_UCA_RULES, | |
1791 | RT_PROCESS_COLLATION, | |
1792 | RT_PROCESS_TRANSLITERATOR, | |
1793 | RT_PROCESS_DEPENDENCY, | |
1794 | RT_RESERVED | |
1795 | } EResourceType; | |
1796 | ||
1797 | static struct { | |
1798 | const char *nameChars; /* only used for debugging */ | |
1799 | const UChar *nameUChars; | |
1800 | ParseResourceFunction *parseFunction; | |
1801 | } gResourceTypes[] = { | |
1802 | {"Unknown", NULL, NULL}, | |
1803 | {"string", k_type_string, parseString}, | |
1804 | {"binary", k_type_binary, parseBinary}, | |
1805 | {"table", k_type_table, parseTable}, | |
1806 | {"table(nofallback)", k_type_table_no_fallback, NULL}, /* parseFunction will never be called */ | |
1807 | {"integer", k_type_integer, parseInteger}, | |
1808 | {"array", k_type_array, parseArray}, | |
1809 | {"alias", k_type_alias, parseAlias}, | |
1810 | {"intvector", k_type_intvector, parseIntVector}, | |
1811 | {"import", k_type_import, parseImport}, | |
1812 | {"include", k_type_include, parseInclude}, | |
1813 | {"process(uca_rules)", k_type_plugin_uca_rules, parseUCARules}, | |
1814 | {"process(collation)", k_type_plugin_collation, NULL /* not implemented yet */}, | |
1815 | {"process(transliterator)", k_type_plugin_transliterator, parseTransliterator}, | |
1816 | {"process(dependency)", k_type_plugin_dependency, parseDependency}, | |
1817 | {"reserved", NULL, NULL} | |
1818 | }; | |
1819 | ||
1820 | void initParser(UBool omitBinaryCollation, UBool omitCollationRules) | |
1821 | { | |
1822 | U_STRING_INIT(k_type_string, "string", 6); | |
1823 | U_STRING_INIT(k_type_binary, "binary", 6); | |
1824 | U_STRING_INIT(k_type_bin, "bin", 3); | |
1825 | U_STRING_INIT(k_type_table, "table", 5); | |
1826 | U_STRING_INIT(k_type_table_no_fallback, "table(nofallback)", 17); | |
1827 | U_STRING_INIT(k_type_int, "int", 3); | |
1828 | U_STRING_INIT(k_type_integer, "integer", 7); | |
1829 | U_STRING_INIT(k_type_array, "array", 5); | |
1830 | U_STRING_INIT(k_type_alias, "alias", 5); | |
1831 | U_STRING_INIT(k_type_intvector, "intvector", 9); | |
1832 | U_STRING_INIT(k_type_import, "import", 6); | |
1833 | U_STRING_INIT(k_type_reserved, "reserved", 8); | |
1834 | U_STRING_INIT(k_type_include, "include", 7); | |
1835 | ||
1836 | U_STRING_INIT(k_type_plugin_uca_rules, "process(uca_rules)", 18); | |
1837 | U_STRING_INIT(k_type_plugin_collation, "process(collation)", 18); | |
1838 | U_STRING_INIT(k_type_plugin_transliterator, "process(transliterator)", 23); | |
1839 | U_STRING_INIT(k_type_plugin_dependency, "process(dependency)", 19); | |
1840 | ||
1841 | gMakeBinaryCollation = !omitBinaryCollation; | |
1842 | gOmitCollationRules = omitCollationRules; | |
1843 | } | |
1844 | ||
1845 | static U_INLINE UBool isTable(enum EResourceType type) { | |
1846 | return (UBool)(type==RT_TABLE || type==RT_TABLE_NO_FALLBACK); | |
1847 | } | |
1848 | ||
1849 | static enum EResourceType | |
1850 | parseResourceType(ParseState* state, UErrorCode *status) | |
1851 | { | |
1852 | struct UString *tokenValue; | |
1853 | struct UString comment; | |
1854 | enum EResourceType result = RT_UNKNOWN; | |
1855 | uint32_t line=0; | |
1856 | ustr_init(&comment); | |
1857 | expect(state, TOK_STRING, &tokenValue, &comment, &line, status); | |
1858 | ||
1859 | if (U_FAILURE(*status)) | |
1860 | { | |
1861 | return RT_UNKNOWN; | |
1862 | } | |
1863 | ||
1864 | *status = U_ZERO_ERROR; | |
1865 | ||
1866 | /* Search for normal types */ | |
1867 | result=RT_UNKNOWN; | |
1868 | while (++result < RT_RESERVED) { | |
1869 | if (u_strcmp(tokenValue->fChars, gResourceTypes[result].nameUChars) == 0) { | |
1870 | break; | |
1871 | } | |
1872 | } | |
1873 | /* Now search for the aliases */ | |
1874 | if (u_strcmp(tokenValue->fChars, k_type_int) == 0) { | |
1875 | result = RT_INTEGER; | |
1876 | } | |
1877 | else if (u_strcmp(tokenValue->fChars, k_type_bin) == 0) { | |
1878 | result = RT_BINARY; | |
1879 | } | |
1880 | else if (result == RT_RESERVED) { | |
1881 | char tokenBuffer[1024]; | |
1882 | u_austrncpy(tokenBuffer, tokenValue->fChars, sizeof(tokenBuffer)); | |
1883 | tokenBuffer[sizeof(tokenBuffer) - 1] = 0; | |
1884 | *status = U_INVALID_FORMAT_ERROR; | |
1885 | error(line, "unknown resource type '%s'", tokenBuffer); | |
1886 | } | |
1887 | ||
1888 | return result; | |
1889 | } | |
1890 | ||
1891 | /* parse a non-top-level resource */ | |
1892 | static struct SResource * | |
1893 | parseResource(ParseState* state, char *tag, const struct UString *comment, UErrorCode *status) | |
1894 | { | |
1895 | enum ETokenType token; | |
1896 | enum EResourceType resType = RT_UNKNOWN; | |
1897 | ParseResourceFunction *parseFunction = NULL; | |
1898 | struct UString *tokenValue; | |
1899 | uint32_t startline; | |
1900 | uint32_t line; | |
1901 | ||
1902 | token = getToken(state, &tokenValue, NULL, &startline, status); | |
1903 | ||
1904 | if(isVerbose()){ | |
1905 | printf(" resource %s at line %i \n", (tag == NULL) ? "(null)" : tag, (int)startline); | |
1906 | } | |
1907 | ||
1908 | /* name . [ ':' type ] '{' resource '}' */ | |
1909 | /* This function parses from the colon onwards. If the colon is present, parse the | |
1910 | type then try to parse a resource of that type. If there is no explicit type, | |
1911 | work it out using the lookahead tokens. */ | |
1912 | switch (token) | |
1913 | { | |
1914 | case TOK_EOF: | |
1915 | *status = U_INVALID_FORMAT_ERROR; | |
1916 | error(startline, "Unexpected EOF encountered"); | |
1917 | return NULL; | |
1918 | ||
1919 | case TOK_ERROR: | |
1920 | *status = U_INVALID_FORMAT_ERROR; | |
1921 | return NULL; | |
1922 | ||
1923 | case TOK_COLON: | |
1924 | resType = parseResourceType(state, status); | |
1925 | expect(state, TOK_OPEN_BRACE, &tokenValue, NULL, &startline, status); | |
1926 | ||
1927 | if (U_FAILURE(*status)) | |
1928 | { | |
1929 | return NULL; | |
1930 | } | |
1931 | ||
1932 | break; | |
1933 | ||
1934 | case TOK_OPEN_BRACE: | |
1935 | break; | |
1936 | ||
1937 | default: | |
1938 | *status = U_INVALID_FORMAT_ERROR; | |
1939 | error(startline, "syntax error while reading a resource, expected '{' or ':'"); | |
1940 | return NULL; | |
1941 | } | |
1942 | ||
1943 | if (resType == RT_UNKNOWN) | |
1944 | { | |
1945 | /* No explicit type, so try to work it out. At this point, we've read the first '{'. | |
1946 | We could have any of the following: | |
1947 | { { => array (nested) | |
1948 | { :/} => array | |
1949 | { string , => string array | |
1950 | ||
1951 | { string { => table | |
1952 | ||
1953 | { string :/{ => table | |
1954 | { string } => string | |
1955 | */ | |
1956 | ||
1957 | token = peekToken(state, 0, NULL, &line, NULL,status); | |
1958 | ||
1959 | if (U_FAILURE(*status)) | |
1960 | { | |
1961 | return NULL; | |
1962 | } | |
1963 | ||
1964 | if (token == TOK_OPEN_BRACE || token == TOK_COLON ||token ==TOK_CLOSE_BRACE ) | |
1965 | { | |
1966 | resType = RT_ARRAY; | |
1967 | } | |
1968 | else if (token == TOK_STRING) | |
1969 | { | |
1970 | token = peekToken(state, 1, NULL, &line, NULL, status); | |
1971 | ||
1972 | if (U_FAILURE(*status)) | |
1973 | { | |
1974 | return NULL; | |
1975 | } | |
1976 | ||
1977 | switch (token) | |
1978 | { | |
1979 | case TOK_COMMA: resType = RT_ARRAY; break; | |
1980 | case TOK_OPEN_BRACE: resType = RT_TABLE; break; | |
1981 | case TOK_CLOSE_BRACE: resType = RT_STRING; break; | |
1982 | case TOK_COLON: resType = RT_TABLE; break; | |
1983 | default: | |
1984 | *status = U_INVALID_FORMAT_ERROR; | |
1985 | error(line, "Unexpected token after string, expected ',', '{' or '}'"); | |
1986 | return NULL; | |
1987 | } | |
1988 | } | |
1989 | else | |
1990 | { | |
1991 | *status = U_INVALID_FORMAT_ERROR; | |
1992 | error(line, "Unexpected token after '{'"); | |
1993 | return NULL; | |
1994 | } | |
1995 | ||
1996 | /* printf("Type guessed as %s\n", resourceNames[resType]); */ | |
1997 | } else if(resType == RT_TABLE_NO_FALLBACK) { | |
1998 | *status = U_INVALID_FORMAT_ERROR; | |
1999 | error(startline, "error: %s resource type not valid except on top bundle level", gResourceTypes[resType].nameChars); | |
2000 | return NULL; | |
2001 | } | |
2002 | ||
2003 | /* We should now know what we need to parse next, so call the appropriate parser | |
2004 | function and return. */ | |
2005 | parseFunction = gResourceTypes[resType].parseFunction; | |
2006 | if (parseFunction != NULL) { | |
2007 | return parseFunction(state, tag, startline, comment, status); | |
2008 | } | |
2009 | else { | |
2010 | *status = U_INTERNAL_PROGRAM_ERROR; | |
2011 | error(startline, "internal error: %s resource type found and not handled", gResourceTypes[resType].nameChars); | |
2012 | } | |
2013 | ||
2014 | return NULL; | |
2015 | } | |
2016 | ||
2017 | /* parse the top-level resource */ | |
2018 | struct SRBRoot * | |
2019 | parse(UCHARBUF *buf, const char *inputDir, const char *outputDir, UErrorCode *status) | |
2020 | { | |
2021 | struct UString *tokenValue; | |
2022 | struct UString comment; | |
2023 | uint32_t line; | |
2024 | enum EResourceType bundleType; | |
2025 | enum ETokenType token; | |
2026 | ParseState state; | |
2027 | uint32_t i; | |
2028 | int encLength; | |
2029 | char* enc; | |
2030 | for (i = 0; i < MAX_LOOKAHEAD + 1; i++) | |
2031 | { | |
2032 | ustr_init(&state.lookahead[i].value); | |
2033 | ustr_init(&state.lookahead[i].comment); | |
2034 | } | |
2035 | ||
2036 | initLookahead(&state, buf, status); | |
2037 | ||
2038 | state.inputdir = inputDir; | |
2039 | state.inputdirLength = (state.inputdir != NULL) ? (uint32_t)uprv_strlen(state.inputdir) : 0; | |
2040 | state.outputdir = outputDir; | |
2041 | state.outputdirLength = (state.outputdir != NULL) ? (uint32_t)uprv_strlen(state.outputdir) : 0; | |
2042 | ||
2043 | ustr_init(&comment); | |
2044 | expect(&state, TOK_STRING, &tokenValue, &comment, NULL, status); | |
2045 | ||
2046 | state.bundle = bundle_open(&comment, FALSE, status); | |
2047 | ||
2048 | if (state.bundle == NULL || U_FAILURE(*status)) | |
2049 | { | |
2050 | return NULL; | |
2051 | } | |
2052 | ||
2053 | ||
2054 | bundle_setlocale(state.bundle, tokenValue->fChars, status); | |
2055 | ||
2056 | /* The following code is to make Empty bundle work no matter with :table specifer or not */ | |
2057 | token = getToken(&state, NULL, NULL, &line, status); | |
2058 | if(token==TOK_COLON) { | |
2059 | *status=U_ZERO_ERROR; | |
2060 | bundleType=parseResourceType(&state, status); | |
2061 | ||
2062 | if(isTable(bundleType)) | |
2063 | { | |
2064 | expect(&state, TOK_OPEN_BRACE, NULL, NULL, &line, status); | |
2065 | } | |
2066 | else | |
2067 | { | |
2068 | *status=U_PARSE_ERROR; | |
2069 | /* printf("asdsdweqdasdad\n"); */ | |
2070 | ||
2071 | error(line, "parse error. Stopped parsing with %s", u_errorName(*status)); | |
2072 | } | |
2073 | } | |
2074 | else | |
2075 | { | |
2076 | /* not a colon */ | |
2077 | if(token==TOK_OPEN_BRACE) | |
2078 | { | |
2079 | *status=U_ZERO_ERROR; | |
2080 | bundleType=RT_TABLE; | |
2081 | } | |
2082 | else | |
2083 | { | |
2084 | /* neither colon nor open brace */ | |
2085 | *status=U_PARSE_ERROR; | |
2086 | bundleType=RT_UNKNOWN; | |
2087 | error(line, "parse error, did not find open-brace '{' or colon ':', stopped with %s", u_errorName(*status)); | |
2088 | } | |
2089 | } | |
2090 | ||
2091 | if (U_FAILURE(*status)) | |
2092 | { | |
2093 | bundle_close(state.bundle, status); | |
2094 | return NULL; | |
2095 | } | |
2096 | ||
2097 | if(bundleType==RT_TABLE_NO_FALLBACK) { | |
2098 | /* | |
2099 | * Parse a top-level table with the table(nofallback) declaration. | |
2100 | * This is the same as a regular table, but also sets the | |
2101 | * URES_ATT_NO_FALLBACK flag in indexes[URES_INDEX_ATTRIBUTES] . | |
2102 | */ | |
2103 | state.bundle->noFallback=TRUE; | |
2104 | } | |
2105 | /* top-level tables need not handle special table names like "collations" */ | |
2106 | realParseTable(&state, state.bundle->fRoot, NULL, line, status); | |
2107 | ||
2108 | if(dependencyArray!=NULL){ | |
2109 | table_add(state.bundle->fRoot, dependencyArray, 0, status); | |
2110 | dependencyArray = NULL; | |
2111 | } | |
2112 | if (U_FAILURE(*status)) | |
2113 | { | |
2114 | bundle_close(state.bundle, status); | |
2115 | res_close(dependencyArray); | |
2116 | return NULL; | |
2117 | } | |
2118 | ||
2119 | if (getToken(&state, NULL, NULL, &line, status) != TOK_EOF) | |
2120 | { | |
2121 | warning(line, "extraneous text after resource bundle (perhaps unmatched braces)"); | |
2122 | if(isStrict()){ | |
2123 | *status = U_INVALID_FORMAT_ERROR; | |
2124 | return NULL; | |
2125 | } | |
2126 | } | |
2127 | ||
2128 | cleanupLookahead(&state); | |
2129 | ustr_deinit(&comment); | |
2130 | return state.bundle; | |
2131 | } |