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1 | /* |
2 | ******************************************************************************* | |
3 | * | |
4 | * Copyright (C) 2003-2006, International Business Machines | |
5 | * Corporation and others. All Rights Reserved. | |
6 | * | |
7 | ******************************************************************************* | |
8 | * file name: pkgitems.cpp | |
9 | * encoding: US-ASCII | |
10 | * tab size: 8 (not used) | |
11 | * indentation:4 | |
12 | * | |
13 | * created on: 2005sep18 | |
14 | * created by: Markus W. Scherer | |
15 | * | |
16 | * Companion file to package.cpp. Deals with details of ICU data item formats. | |
17 | * Used for item dependencies. | |
18 | * Contains adapted code from uresdata.c and ucnv_bld.c (swapper code from 2003). | |
19 | */ | |
20 | ||
21 | #include "unicode/utypes.h" | |
22 | #include "unicode/ures.h" | |
23 | #include "unicode/putil.h" | |
24 | #include "unicode/udata.h" | |
25 | #include "cstring.h" | |
26 | #include "ucmndata.h" | |
27 | #include "udataswp.h" | |
28 | #include "swapimpl.h" | |
29 | #include "toolutil.h" | |
30 | #include "package.h" | |
31 | #include "pkg_imp.h" | |
32 | ||
33 | #include <stdio.h> | |
34 | #include <stdlib.h> | |
35 | #include <string.h> | |
36 | ||
37 | /* item formats in common */ | |
38 | ||
39 | #include "uresdata.h" | |
40 | #include "ucnv_bld.h" | |
41 | #include "ucnv_io.h" | |
42 | ||
43 | // general definitions ----------------------------------------------------- *** | |
44 | ||
45 | #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) | |
46 | ||
47 | U_CDECL_BEGIN | |
48 | ||
49 | static void U_CALLCONV | |
50 | printError(void *context, const char *fmt, va_list args) { | |
51 | vfprintf((FILE *)context, fmt, args); | |
52 | } | |
53 | ||
54 | U_CDECL_END | |
55 | ||
56 | typedef void CheckDependency(void *context, const char *itemName, const char *targetName); | |
57 | ||
58 | // check a dependency ------------------------------------------------------ *** | |
59 | ||
60 | /* | |
61 | * assemble the target item name from the source item name, an ID | |
62 | * and a suffix | |
63 | */ | |
64 | static void | |
65 | checkIDSuffix(const char *itemName, const char *id, int32_t idLength, const char *suffix, | |
66 | CheckDependency check, void *context, | |
67 | UErrorCode *pErrorCode) { | |
68 | char target[200]; | |
69 | const char *itemID; | |
70 | int32_t treeLength, suffixLength, targetLength; | |
71 | ||
72 | // get the item basename | |
73 | itemID=strrchr(itemName, '/'); | |
74 | if(itemID!=NULL) { | |
75 | ++itemID; | |
76 | } else { | |
77 | itemID=itemName; | |
78 | } | |
79 | ||
80 | // build the target string | |
81 | treeLength=(int32_t)(itemID-itemName); | |
82 | if(idLength<0) { | |
83 | idLength=(int32_t)strlen(id); | |
84 | } | |
85 | suffixLength=(int32_t)strlen(suffix); | |
86 | targetLength=treeLength+idLength+suffixLength; | |
87 | if(targetLength>=(int32_t)sizeof(target)) { | |
88 | fprintf(stderr, "icupkg/checkIDSuffix(%s) alias target item name length %ld too long\n", | |
89 | itemName, (long)targetLength); | |
90 | *pErrorCode=U_BUFFER_OVERFLOW_ERROR; | |
91 | return; | |
92 | } | |
93 | ||
94 | memcpy(target, itemName, treeLength); | |
95 | memcpy(target+treeLength, id, idLength); | |
96 | memcpy(target+treeLength+idLength, suffix, suffixLength+1); // +1 includes the terminating NUL | |
97 | ||
98 | check(context, itemName, target); | |
99 | } | |
100 | ||
101 | /* assemble the target item name from the item's parent item name */ | |
102 | static void | |
103 | checkParent(const char *itemName, CheckDependency check, void *context, | |
104 | UErrorCode *pErrorCode) { | |
105 | const char *itemID, *parent, *parentLimit, *suffix; | |
106 | int32_t parentLength; | |
107 | ||
108 | // get the item basename | |
109 | itemID=strrchr(itemName, '/'); | |
110 | if(itemID!=NULL) { | |
111 | ++itemID; | |
112 | } else { | |
113 | itemID=itemName; | |
114 | } | |
115 | ||
116 | // get the item suffix | |
117 | suffix=strrchr(itemID, '.'); | |
118 | if(suffix==NULL) { | |
119 | // empty suffix, point to the end of the string | |
120 | suffix=strrchr(itemID, 0); | |
121 | } | |
122 | ||
123 | // get the position of the last '_' | |
124 | for(parentLimit=suffix; parentLimit>itemID && *--parentLimit!='_';) {} | |
125 | ||
126 | if(parentLimit!=itemID) { | |
127 | // get the parent item name by truncating the last part of this item's name */ | |
128 | parent=itemID; | |
129 | parentLength=(int32_t)(parentLimit-itemID); | |
130 | } else { | |
131 | // no '_' in the item name: the parent is the root bundle | |
132 | parent="root"; | |
133 | parentLength=4; | |
134 | if((suffix-itemID)==parentLength && 0==memcmp(itemID, parent, parentLength)) { | |
135 | // the item itself is "root", which does not depend on a parent | |
136 | return; | |
137 | } | |
138 | } | |
139 | checkIDSuffix(itemName, parent, parentLength, suffix, check, context, pErrorCode); | |
140 | } | |
141 | ||
142 | // get dependencies from resource bundles ---------------------------------- *** | |
143 | ||
144 | static const char *const gAliasKey="%%ALIAS"; | |
145 | enum { gAliasKeyLength=7 }; | |
146 | ||
147 | /* | |
148 | * Enumerate one resource item and its children and extract dependencies from | |
149 | * aliases. | |
150 | * Code adapted from ures_preflightResource() and ures_swapResource(). | |
151 | */ | |
152 | static void | |
153 | ures_enumDependencies(const UDataSwapper *ds, | |
154 | const char *itemName, | |
155 | const Resource *inBundle, int32_t length, | |
156 | Resource res, const char *inKey, int32_t depth, | |
157 | CheckDependency check, void *context, | |
158 | UErrorCode *pErrorCode) { | |
159 | const Resource *p; | |
160 | int32_t offset; | |
161 | ||
162 | if(res==0 || RES_GET_TYPE(res)==URES_INT) { | |
163 | /* empty string or integer, nothing to do */ | |
164 | return; | |
165 | } | |
166 | ||
167 | /* all other types use an offset to point to their data */ | |
168 | offset=(int32_t)RES_GET_OFFSET(res); | |
169 | if(0<=length && length<=offset) { | |
170 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) resource offset exceeds bundle length %d\n", | |
171 | itemName, res, length); | |
172 | *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; | |
173 | return; | |
174 | } | |
175 | p=inBundle+offset; | |
176 | ||
177 | switch(RES_GET_TYPE(res)) { | |
178 | /* strings and aliases have physically the same value layout */ | |
179 | case URES_STRING: | |
180 | // we ignore all strings except top-level strings with a %%ALIAS key | |
181 | if(depth!=1) { | |
182 | break; | |
183 | } else { | |
184 | char key[8]; | |
185 | int32_t keyLength; | |
186 | ||
187 | keyLength=(int32_t)strlen(inKey); | |
188 | if(keyLength!=gAliasKeyLength) { | |
189 | break; | |
190 | } | |
191 | ds->swapInvChars(ds, inKey, gAliasKeyLength+1, key, pErrorCode); | |
192 | if(U_FAILURE(*pErrorCode)) { | |
193 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) string key contains variant characters\n", | |
194 | itemName, res); | |
195 | return; | |
196 | } | |
197 | if(0!=strcmp(key, gAliasKey)) { | |
198 | break; | |
199 | } | |
200 | } | |
201 | // for the top-level %%ALIAS string fall through to URES_ALIAS | |
202 | case URES_ALIAS: | |
203 | { | |
204 | char localeID[32]; | |
205 | const uint16_t *p16; | |
206 | int32_t i, stringLength; | |
207 | uint16_t u16, ored16; | |
208 | ||
209 | stringLength=udata_readInt32(ds, (int32_t)*p); | |
210 | ||
211 | /* top=offset+1+(string length +1)/2 rounded up */ | |
212 | offset+=1+((stringLength+1)+1)/2; | |
213 | if(offset>length) { | |
214 | break; // the resource does not fit into the bundle, print error below | |
215 | } | |
216 | ||
217 | // extract the locale ID from alias strings like | |
218 | // locale_ID/key1/key2/key3 | |
219 | // locale_ID | |
220 | if(U_IS_BIG_ENDIAN==ds->inIsBigEndian) { | |
221 | u16=0x2f; // slash in local endianness | |
222 | } else { | |
223 | u16=0x2f00; // slash in opposite endianness | |
224 | } | |
225 | p16=(const uint16_t *)(p+1); // Unicode string contents | |
226 | ||
227 | // search for the first slash | |
228 | for(i=0; i<stringLength && p16[i]!=u16; ++i) {} | |
229 | ||
230 | if(RES_GET_TYPE(res)==URES_ALIAS) { | |
231 | // ignore aliases with an initial slash: | |
232 | // /ICUDATA/... and /pkgname/... go to a different package | |
233 | // /LOCALE/... are for dynamic sideways fallbacks and don't go to a fixed bundle | |
234 | if(i==0) { | |
235 | break; // initial slash ('/') | |
236 | } | |
237 | ||
238 | // ignore the intra-bundle path starting from the first slash ('/') | |
239 | stringLength=i; | |
240 | } else /* URES_STRING */ { | |
241 | // the whole string should only consist of a locale ID | |
242 | if(i!=stringLength) { | |
243 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) %%ALIAS contains a '/'\n", | |
244 | itemName, res); | |
245 | *pErrorCode=U_UNSUPPORTED_ERROR; | |
246 | return; | |
247 | } | |
248 | } | |
249 | ||
250 | // convert the Unicode string to char * and | |
251 | // check that it has a bundle path but no package | |
252 | if(stringLength>=(int32_t)sizeof(localeID)) { | |
253 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) alias locale ID length %ld too long\n", | |
254 | itemName, res, stringLength); | |
255 | *pErrorCode=U_BUFFER_OVERFLOW_ERROR; | |
256 | return; | |
257 | } | |
258 | ||
259 | // convert the alias Unicode string to US-ASCII | |
260 | ored16=0; | |
261 | if(U_IS_BIG_ENDIAN==ds->inIsBigEndian) { | |
262 | for(i=0; i<stringLength; ++i) { | |
263 | u16=p16[i]; | |
264 | ored16|=u16; | |
265 | localeID[i]=(char)u16; | |
266 | } | |
267 | } else { | |
268 | for(i=0; i<stringLength; ++i) { | |
269 | u16=p16[i]; | |
270 | ored16|=u16; | |
271 | localeID[i]=(char)(u16>>8); | |
272 | } | |
273 | ored16=(uint16_t)((ored16<<8)|(ored16>>8)); | |
274 | } | |
275 | localeID[stringLength]=0; | |
276 | if(ored16>0x7f) { | |
277 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) alias string contains non-ASCII characters\n", | |
278 | itemName, res); | |
279 | *pErrorCode=U_INVALID_CHAR_FOUND; | |
280 | return; | |
281 | } | |
282 | ||
283 | if(U_CHARSET_FAMILY==U_EBCDIC_FAMILY) { | |
284 | // swap to EBCDIC | |
285 | // our swapper is probably not the right one, but | |
286 | // the function uses it only for printing errors | |
287 | uprv_ebcdicFromAscii(ds, localeID, stringLength, localeID, pErrorCode); | |
288 | if(U_FAILURE(*pErrorCode)) { | |
289 | return; | |
290 | } | |
291 | } | |
292 | #if U_CHARSET_FAMILY!=U_ASCII_FAMILY && U_CHARSET_FAMILY!=U_EBCDIC_FAMILY | |
293 | # error Unknown U_CHARSET_FAMILY value! | |
294 | #endif | |
295 | ||
296 | checkIDSuffix(itemName, localeID, -1, ".res", check, context, pErrorCode); | |
297 | } | |
298 | break; | |
299 | case URES_TABLE: | |
300 | case URES_TABLE32: | |
301 | { | |
302 | const uint16_t *pKey16; | |
303 | const int32_t *pKey32; | |
304 | ||
305 | Resource item; | |
306 | int32_t i, count; | |
307 | ||
308 | if(RES_GET_TYPE(res)==URES_TABLE) { | |
309 | /* get table item count */ | |
310 | pKey16=(const uint16_t *)p; | |
311 | count=ds->readUInt16(*pKey16++); | |
312 | ||
313 | pKey32=NULL; | |
314 | ||
315 | /* top=((1+ table item count)/2 rounded up)+(table item count) */ | |
316 | offset+=((1+count)+1)/2; | |
317 | } else { | |
318 | /* get table item count */ | |
319 | pKey32=(const int32_t *)p; | |
320 | count=udata_readInt32(ds, *pKey32++); | |
321 | ||
322 | pKey16=NULL; | |
323 | ||
324 | /* top=(1+ table item count)+(table item count) */ | |
325 | offset+=1+count; | |
326 | } | |
327 | ||
328 | p=inBundle+offset; /* pointer to table resources */ | |
329 | offset+=count; | |
330 | ||
331 | if(offset>length) { | |
332 | break; // the resource does not fit into the bundle, print error below | |
333 | } | |
334 | ||
335 | /* recurse */ | |
336 | for(i=0; i<count; ++i) { | |
337 | item=ds->readUInt32(*p++); | |
338 | ures_enumDependencies( | |
339 | ds, itemName, inBundle, length, item, | |
340 | ((const char *)inBundle)+ | |
341 | (pKey16!=NULL ? | |
342 | ds->readUInt16(pKey16[i]) : | |
343 | udata_readInt32(ds, pKey32[i])), | |
344 | depth+1, | |
345 | check, context, | |
346 | pErrorCode); | |
347 | if(U_FAILURE(*pErrorCode)) { | |
348 | udata_printError(ds, "icupkg/ures_enumDependencies(%s table res=%08x)[%d].recurse(%08x) failed\n", | |
349 | itemName, res, i, item); | |
350 | break; | |
351 | } | |
352 | } | |
353 | } | |
354 | break; | |
355 | case URES_ARRAY: | |
356 | { | |
357 | Resource item; | |
358 | int32_t i, count; | |
359 | ||
360 | /* top=offset+1+(array length) */ | |
361 | count=udata_readInt32(ds, (int32_t)*p++); | |
362 | offset+=1+count; | |
363 | ||
364 | if(offset>length) { | |
365 | break; // the resource does not fit into the bundle, print error below | |
366 | } | |
367 | ||
368 | /* recurse */ | |
369 | for(i=0; i<count; ++i) { | |
370 | item=ds->readUInt32(*p++); | |
371 | ures_enumDependencies( | |
372 | ds, itemName, inBundle, length, | |
373 | item, NULL, depth+1, | |
374 | check, context, | |
375 | pErrorCode); | |
376 | if(U_FAILURE(*pErrorCode)) { | |
377 | udata_printError(ds, "icupkg/ures_enumDependencies(%s array res=%08x)[%d].recurse(%08x) failed\n", | |
378 | itemName, res, i, item); | |
379 | break; | |
380 | } | |
381 | } | |
382 | } | |
383 | break; | |
384 | default: | |
385 | break; | |
386 | } | |
387 | ||
388 | if(U_FAILURE(*pErrorCode)) { | |
389 | /* nothing to do */ | |
390 | } else if(0<=length && length<offset) { | |
391 | udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) resource limit exceeds bundle length %d\n", | |
392 | itemName, res, length); | |
393 | *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; | |
394 | } | |
395 | } | |
396 | ||
397 | /* code adapted from ures_swap() */ | |
398 | static void | |
399 | ures_enumDependencies(const UDataSwapper *ds, | |
400 | const char *itemName, const UDataInfo *pInfo, | |
401 | const uint8_t *inBytes, int32_t length, | |
402 | CheckDependency check, void *context, | |
403 | UErrorCode *pErrorCode) { | |
404 | const Resource *inBundle; | |
405 | Resource rootRes; | |
406 | ||
407 | /* the following integers count Resource item offsets (4 bytes each), not bytes */ | |
408 | int32_t bundleLength; | |
409 | ||
410 | /* check format version */ | |
411 | if(pInfo->formatVersion[0]!=1) { | |
412 | fprintf(stderr, "icupkg: .res format version %02x not supported\n", | |
413 | pInfo->formatVersion[0]); | |
414 | exit(U_UNSUPPORTED_ERROR); | |
415 | } | |
416 | ||
417 | /* a resource bundle must contain at least one resource item */ | |
418 | bundleLength=length/4; | |
419 | ||
420 | /* formatVersion 1.1 must have a root item and at least 5 indexes */ | |
421 | if( bundleLength< | |
422 | (pInfo->formatVersion[1]==0 ? 1 : 1+5) | |
423 | ) { | |
424 | fprintf(stderr, "icupkg: too few bytes (%d after header) for a resource bundle\n", | |
425 | length); | |
426 | exit(U_INDEX_OUTOFBOUNDS_ERROR); | |
427 | } | |
428 | ||
429 | inBundle=(const Resource *)inBytes; | |
430 | rootRes=ds->readUInt32(*inBundle); | |
431 | ||
432 | ures_enumDependencies( | |
433 | ds, itemName, inBundle, bundleLength, | |
434 | rootRes, NULL, 0, | |
435 | check, context, | |
436 | pErrorCode); | |
437 | ||
438 | /* | |
439 | * if the bundle attributes are present and the nofallback flag is not set, | |
440 | * then add the parent bundle as a dependency | |
441 | */ | |
442 | if(pInfo->formatVersion[1]>=1) { | |
443 | int32_t indexes[URES_INDEX_TOP]; | |
444 | const int32_t *inIndexes; | |
445 | ||
446 | inIndexes=(const int32_t *)inBundle+1; | |
447 | indexes[URES_INDEX_LENGTH]=udata_readInt32(ds, inIndexes[URES_INDEX_LENGTH]); | |
448 | if(indexes[URES_INDEX_LENGTH]>URES_INDEX_ATTRIBUTES) { | |
449 | indexes[URES_INDEX_ATTRIBUTES]=udata_readInt32(ds, inIndexes[URES_INDEX_ATTRIBUTES]); | |
450 | if(0==(indexes[URES_INDEX_ATTRIBUTES]&URES_ATT_NO_FALLBACK)) { | |
451 | /* this bundle participates in locale fallback */ | |
452 | checkParent(itemName, check, context, pErrorCode); | |
453 | } | |
454 | } | |
455 | } | |
456 | } | |
457 | ||
458 | // get dependencies from conversion tables --------------------------------- *** | |
459 | ||
460 | /* code adapted from ucnv_swap() */ | |
461 | static void | |
462 | ucnv_enumDependencies(const UDataSwapper *ds, | |
463 | const char *itemName, const UDataInfo *pInfo, | |
464 | const uint8_t *inBytes, int32_t length, | |
465 | CheckDependency check, void *context, | |
466 | UErrorCode *pErrorCode) { | |
467 | uint32_t staticDataSize; | |
468 | ||
469 | const UConverterStaticData *inStaticData; | |
470 | ||
471 | const _MBCSHeader *inMBCSHeader; | |
472 | uint8_t outputType; | |
473 | ||
474 | /* check format version */ | |
475 | if(!( | |
476 | pInfo->formatVersion[0]==6 && | |
477 | pInfo->formatVersion[1]>=2 | |
478 | )) { | |
479 | fprintf(stderr, "icupkg/ucnv_enumDependencies(): .cnv format version %02x.%02x not supported\n", | |
480 | pInfo->formatVersion[0], pInfo->formatVersion[1]); | |
481 | exit(U_UNSUPPORTED_ERROR); | |
482 | } | |
483 | ||
484 | /* read the initial UConverterStaticData structure after the UDataInfo header */ | |
485 | inStaticData=(const UConverterStaticData *)inBytes; | |
486 | ||
487 | if( length<(int32_t)sizeof(UConverterStaticData) || | |
488 | (uint32_t)length<(staticDataSize=ds->readUInt32(inStaticData->structSize)) | |
489 | ) { | |
490 | udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after header) for an ICU .cnv conversion table\n", | |
491 | length); | |
492 | *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; | |
493 | return; | |
494 | } | |
495 | ||
496 | inBytes+=staticDataSize; | |
497 | length-=(int32_t)staticDataSize; | |
498 | ||
499 | /* check for supported conversionType values */ | |
500 | if(inStaticData->conversionType==UCNV_MBCS) { | |
501 | /* MBCS data */ | |
502 | uint32_t mbcsHeaderFlags; | |
503 | int32_t extOffset; | |
504 | ||
505 | inMBCSHeader=(const _MBCSHeader *)inBytes; | |
506 | ||
507 | if(length<(int32_t)sizeof(_MBCSHeader)) { | |
508 | udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after headers) for an ICU MBCS .cnv conversion table\n", | |
509 | length); | |
510 | *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; | |
511 | return; | |
512 | } | |
513 | if(!(inMBCSHeader->version[0]==4 && inMBCSHeader->version[1]>=1)) { | |
514 | udata_printError(ds, "icupkg/ucnv_enumDependencies(): unsupported _MBCSHeader.version %d.%d\n", | |
515 | inMBCSHeader->version[0], inMBCSHeader->version[1]); | |
516 | *pErrorCode=U_UNSUPPORTED_ERROR; | |
517 | return; | |
518 | } | |
519 | ||
520 | mbcsHeaderFlags=ds->readUInt32(inMBCSHeader->flags); | |
521 | extOffset=(int32_t)(mbcsHeaderFlags>>8); | |
522 | outputType=(uint8_t)mbcsHeaderFlags; | |
523 | ||
524 | if(outputType==MBCS_OUTPUT_EXT_ONLY) { | |
525 | /* | |
526 | * extension-only file, | |
527 | * contains a base name instead of normal base table data | |
528 | */ | |
529 | char baseName[32]; | |
530 | int32_t baseNameLength; | |
531 | ||
532 | /* there is extension data after the base data, see ucnv_ext.h */ | |
533 | if(length<(extOffset+UCNV_EXT_INDEXES_MIN_LENGTH*4)) { | |
534 | udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after headers) for an ICU MBCS .cnv conversion table with extension data\n", | |
535 | length); | |
536 | *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; | |
537 | return; | |
538 | } | |
539 | ||
540 | /* swap the base name, between the header and the extension data */ | |
541 | baseNameLength=(int32_t)strlen((const char *)(inMBCSHeader+1)); | |
542 | if(baseNameLength>=(int32_t)sizeof(baseName)) { | |
543 | udata_printError(ds, "icupkg/ucnv_enumDependencies(%s): base name length %ld too long\n", | |
544 | itemName, baseNameLength); | |
545 | *pErrorCode=U_UNSUPPORTED_ERROR; | |
546 | return; | |
547 | } | |
548 | ds->swapInvChars(ds, inMBCSHeader+1, baseNameLength+1, baseName, pErrorCode); | |
549 | ||
550 | checkIDSuffix(itemName, baseName, -1, ".cnv", check, context, pErrorCode); | |
551 | } | |
552 | } | |
553 | } | |
554 | ||
555 | // ICU data formats -------------------------------------------------------- *** | |
556 | ||
557 | static const struct { | |
558 | uint8_t dataFormat[4]; | |
559 | } dataFormats[]={ | |
560 | { { 0x52, 0x65, 0x73, 0x42 } }, /* dataFormat="ResB" */ | |
561 | { { 0x63, 0x6e, 0x76, 0x74 } }, /* dataFormat="cnvt" */ | |
562 | { { 0x43, 0x76, 0x41, 0x6c } } /* dataFormat="CvAl" */ | |
563 | }; | |
564 | ||
565 | enum { | |
566 | FMT_RES, | |
567 | FMT_CNV, | |
568 | FMT_ALIAS, | |
569 | FMT_COUNT | |
570 | }; | |
571 | ||
572 | static int32_t | |
573 | getDataFormat(const uint8_t dataFormat[4]) { | |
574 | int32_t i; | |
575 | ||
576 | for(i=0; i<FMT_COUNT; ++i) { | |
577 | if(0==memcmp(dataFormats[i].dataFormat, dataFormat, 4)) { | |
578 | return i; | |
579 | } | |
580 | } | |
581 | return -1; | |
582 | } | |
583 | ||
584 | // enumerate dependencies of a package item -------------------------------- *** | |
585 | ||
586 | U_NAMESPACE_BEGIN | |
587 | ||
588 | void | |
589 | Package::enumDependencies(Item *pItem) { | |
590 | const UDataInfo *pInfo; | |
591 | const uint8_t *inBytes; | |
592 | int32_t format, length, infoLength, itemHeaderLength; | |
593 | UErrorCode errorCode; | |
594 | ||
595 | errorCode=U_ZERO_ERROR; | |
596 | pInfo=getDataInfo(pItem->data,pItem->length, infoLength, itemHeaderLength, &errorCode); | |
597 | if(U_FAILURE(errorCode)) { | |
598 | return; // should not occur because readFile() checks headers | |
599 | } | |
600 | ||
601 | // find the data format and call the corresponding function, if any | |
602 | format=getDataFormat(pInfo->dataFormat); | |
603 | if(format>=0) { | |
604 | UDataSwapper *ds; | |
605 | ||
606 | // TODO: share/cache swappers | |
607 | ds=udata_openSwapper((UBool)pInfo->isBigEndian, pInfo->charsetFamily, U_IS_BIG_ENDIAN, U_CHARSET_FAMILY, &errorCode); | |
608 | if(U_FAILURE(errorCode)) { | |
609 | fprintf(stderr, "icupkg: udata_openSwapper(\"%s\") failed - %s\n", | |
610 | pItem->name, u_errorName(errorCode)); | |
611 | exit(errorCode); | |
612 | } | |
613 | ||
614 | ds->printError=printError; | |
615 | ds->printErrorContext=stderr; | |
616 | ||
617 | inBytes=pItem->data+itemHeaderLength; | |
618 | length=pItem->length-itemHeaderLength; | |
619 | ||
620 | switch(format) { | |
621 | case FMT_RES: | |
622 | ures_enumDependencies(ds, pItem->name, pInfo, inBytes, length, checkDependency, this, &errorCode); | |
623 | break; | |
624 | case FMT_CNV: | |
625 | ucnv_enumDependencies(ds, pItem->name, pInfo, inBytes, length, checkDependency, this, &errorCode); | |
626 | break; | |
627 | default: | |
628 | break; | |
629 | } | |
630 | ||
631 | udata_closeSwapper(ds); | |
632 | ||
633 | if(U_FAILURE(errorCode)) { | |
634 | exit(errorCode); | |
635 | } | |
636 | } | |
637 | } | |
638 | U_NAMESPACE_END |