1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/tools/toolutil/pkgitems.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,632 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +*
1.7 +* Copyright (C) 2003-2011, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +*******************************************************************************
1.11 +* file name: pkgitems.cpp
1.12 +* encoding: US-ASCII
1.13 +* tab size: 8 (not used)
1.14 +* indentation:4
1.15 +*
1.16 +* created on: 2005sep18
1.17 +* created by: Markus W. Scherer
1.18 +*
1.19 +* Companion file to package.cpp. Deals with details of ICU data item formats.
1.20 +* Used for item dependencies.
1.21 +* Contains adapted code from ucnv_bld.c (swapper code from 2003).
1.22 +*/
1.23 +
1.24 +#include "unicode/utypes.h"
1.25 +#include "unicode/ures.h"
1.26 +#include "unicode/putil.h"
1.27 +#include "unicode/udata.h"
1.28 +#include "cstring.h"
1.29 +#include "uinvchar.h"
1.30 +#include "ucmndata.h"
1.31 +#include "udataswp.h"
1.32 +#include "swapimpl.h"
1.33 +#include "toolutil.h"
1.34 +#include "package.h"
1.35 +#include "pkg_imp.h"
1.36 +
1.37 +#include <stdio.h>
1.38 +#include <stdlib.h>
1.39 +#include <string.h>
1.40 +
1.41 +/* item formats in common */
1.42 +
1.43 +#include "uresdata.h"
1.44 +#include "ucnv_bld.h"
1.45 +#include "ucnv_io.h"
1.46 +
1.47 +// general definitions ----------------------------------------------------- ***
1.48 +
1.49 +#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
1.50 +
1.51 +U_CDECL_BEGIN
1.52 +
1.53 +static void U_CALLCONV
1.54 +printError(void *context, const char *fmt, va_list args) {
1.55 + vfprintf((FILE *)context, fmt, args);
1.56 +}
1.57 +
1.58 +U_CDECL_END
1.59 +
1.60 +// a data item in native-platform form ------------------------------------- ***
1.61 +
1.62 +U_NAMESPACE_BEGIN
1.63 +
1.64 +class NativeItem {
1.65 +public:
1.66 + NativeItem() : pItem(NULL), pInfo(NULL), bytes(NULL), swapped(NULL), length(0) {}
1.67 + NativeItem(const Item *item, UDataSwapFn *swap) : swapped(NULL) {
1.68 + setItem(item, swap);
1.69 + }
1.70 + ~NativeItem() {
1.71 + delete [] swapped;
1.72 + }
1.73 + const UDataInfo *getDataInfo() const {
1.74 + return pInfo;
1.75 + }
1.76 + const uint8_t *getBytes() const {
1.77 + return bytes;
1.78 + }
1.79 + int32_t getLength() const {
1.80 + return length;
1.81 + }
1.82 +
1.83 + void setItem(const Item *item, UDataSwapFn *swap) {
1.84 + pItem=item;
1.85 + int32_t infoLength, itemHeaderLength;
1.86 + UErrorCode errorCode=U_ZERO_ERROR;
1.87 + pInfo=::getDataInfo(pItem->data, pItem->length, infoLength, itemHeaderLength, &errorCode);
1.88 + if(U_FAILURE(errorCode)) {
1.89 + exit(errorCode); // should succeed because readFile() checks headers
1.90 + }
1.91 + length=pItem->length-itemHeaderLength;
1.92 +
1.93 + if(pInfo->isBigEndian==U_IS_BIG_ENDIAN && pInfo->charsetFamily==U_CHARSET_FAMILY) {
1.94 + bytes=pItem->data+itemHeaderLength;
1.95 + } else {
1.96 + UDataSwapper *ds=udata_openSwapper((UBool)pInfo->isBigEndian, pInfo->charsetFamily, U_IS_BIG_ENDIAN, U_CHARSET_FAMILY, &errorCode);
1.97 + if(U_FAILURE(errorCode)) {
1.98 + fprintf(stderr, "icupkg: udata_openSwapper(\"%s\") failed - %s\n",
1.99 + pItem->name, u_errorName(errorCode));
1.100 + exit(errorCode);
1.101 + }
1.102 +
1.103 + ds->printError=printError;
1.104 + ds->printErrorContext=stderr;
1.105 +
1.106 + swapped=new uint8_t[pItem->length];
1.107 + if(swapped==NULL) {
1.108 + fprintf(stderr, "icupkg: unable to allocate memory for swapping \"%s\"\n", pItem->name);
1.109 + exit(U_MEMORY_ALLOCATION_ERROR);
1.110 + }
1.111 + swap(ds, pItem->data, pItem->length, swapped, &errorCode);
1.112 + pInfo=::getDataInfo(swapped, pItem->length, infoLength, itemHeaderLength, &errorCode);
1.113 + bytes=swapped+itemHeaderLength;
1.114 + udata_closeSwapper(ds);
1.115 + }
1.116 + }
1.117 +
1.118 +private:
1.119 + const Item *pItem;
1.120 + const UDataInfo *pInfo;
1.121 + const uint8_t *bytes;
1.122 + uint8_t *swapped;
1.123 + int32_t length;
1.124 +};
1.125 +
1.126 +// check a dependency ------------------------------------------------------ ***
1.127 +
1.128 +/*
1.129 + * assemble the target item name from the source item name, an ID
1.130 + * and a suffix
1.131 + */
1.132 +static void
1.133 +makeTargetName(const char *itemName, const char *id, int32_t idLength, const char *suffix,
1.134 + char *target, int32_t capacity,
1.135 + UErrorCode *pErrorCode) {
1.136 + const char *itemID;
1.137 + int32_t treeLength, suffixLength, targetLength;
1.138 +
1.139 + // get the item basename
1.140 + itemID=strrchr(itemName, '/');
1.141 + if(itemID!=NULL) {
1.142 + ++itemID;
1.143 + } else {
1.144 + itemID=itemName;
1.145 + }
1.146 +
1.147 + // build the target string
1.148 + treeLength=(int32_t)(itemID-itemName);
1.149 + if(idLength<0) {
1.150 + idLength=(int32_t)strlen(id);
1.151 + }
1.152 + suffixLength=(int32_t)strlen(suffix);
1.153 + targetLength=treeLength+idLength+suffixLength;
1.154 + if(targetLength>=capacity) {
1.155 + fprintf(stderr, "icupkg/makeTargetName(%s) target item name length %ld too long\n",
1.156 + itemName, (long)targetLength);
1.157 + *pErrorCode=U_BUFFER_OVERFLOW_ERROR;
1.158 + return;
1.159 + }
1.160 +
1.161 + memcpy(target, itemName, treeLength);
1.162 + memcpy(target+treeLength, id, idLength);
1.163 + memcpy(target+treeLength+idLength, suffix, suffixLength+1); // +1 includes the terminating NUL
1.164 +}
1.165 +
1.166 +static void
1.167 +checkIDSuffix(const char *itemName, const char *id, int32_t idLength, const char *suffix,
1.168 + CheckDependency check, void *context,
1.169 + UErrorCode *pErrorCode) {
1.170 + char target[200];
1.171 + makeTargetName(itemName, id, idLength, suffix, target, (int32_t)sizeof(target), pErrorCode);
1.172 + if(U_SUCCESS(*pErrorCode)) {
1.173 + check(context, itemName, target);
1.174 + }
1.175 +}
1.176 +
1.177 +/* assemble the target item name from the item's parent item name */
1.178 +static void
1.179 +checkParent(const char *itemName, CheckDependency check, void *context,
1.180 + UErrorCode *pErrorCode) {
1.181 + const char *itemID, *parent, *parentLimit, *suffix;
1.182 + int32_t parentLength;
1.183 +
1.184 + // get the item basename
1.185 + itemID=strrchr(itemName, '/');
1.186 + if(itemID!=NULL) {
1.187 + ++itemID;
1.188 + } else {
1.189 + itemID=itemName;
1.190 + }
1.191 +
1.192 + // get the item suffix
1.193 + suffix=strrchr(itemID, '.');
1.194 + if(suffix==NULL) {
1.195 + // empty suffix, point to the end of the string
1.196 + suffix=strrchr(itemID, 0);
1.197 + }
1.198 +
1.199 + // get the position of the last '_'
1.200 + for(parentLimit=suffix; parentLimit>itemID && *--parentLimit!='_';) {}
1.201 +
1.202 + if(parentLimit!=itemID) {
1.203 + // get the parent item name by truncating the last part of this item's name */
1.204 + parent=itemID;
1.205 + parentLength=(int32_t)(parentLimit-itemID);
1.206 + } else {
1.207 + // no '_' in the item name: the parent is the root bundle
1.208 + parent="root";
1.209 + parentLength=4;
1.210 + if((suffix-itemID)==parentLength && 0==memcmp(itemID, parent, parentLength)) {
1.211 + // the item itself is "root", which does not depend on a parent
1.212 + return;
1.213 + }
1.214 + }
1.215 + checkIDSuffix(itemName, parent, parentLength, suffix, check, context, pErrorCode);
1.216 +}
1.217 +
1.218 +// get dependencies from resource bundles ---------------------------------- ***
1.219 +
1.220 +static const UChar SLASH=0x2f;
1.221 +
1.222 +/*
1.223 + * Check for the alias from the string or alias resource res.
1.224 + */
1.225 +static void
1.226 +checkAlias(const char *itemName,
1.227 + Resource res, const UChar *alias, int32_t length, UBool useResSuffix,
1.228 + CheckDependency check, void *context, UErrorCode *pErrorCode) {
1.229 + int32_t i;
1.230 +
1.231 + if(!uprv_isInvariantUString(alias, length)) {
1.232 + fprintf(stderr, "icupkg/ures_enumDependencies(%s res=%08x) alias string contains non-invariant characters\n",
1.233 + itemName, res);
1.234 + *pErrorCode=U_INVALID_CHAR_FOUND;
1.235 + return;
1.236 + }
1.237 +
1.238 + // extract the locale ID from alias strings like
1.239 + // locale_ID/key1/key2/key3
1.240 + // locale_ID
1.241 +
1.242 + // search for the first slash
1.243 + for(i=0; i<length && alias[i]!=SLASH; ++i) {}
1.244 +
1.245 + if(res_getPublicType(res)==URES_ALIAS) {
1.246 + // ignore aliases with an initial slash:
1.247 + // /ICUDATA/... and /pkgname/... go to a different package
1.248 + // /LOCALE/... are for dynamic sideways fallbacks and don't go to a fixed bundle
1.249 + if(i==0) {
1.250 + return; // initial slash ('/')
1.251 + }
1.252 +
1.253 + // ignore the intra-bundle path starting from the first slash ('/')
1.254 + length=i;
1.255 + } else /* URES_STRING */ {
1.256 + // the whole string should only consist of a locale ID
1.257 + if(i!=length) {
1.258 + fprintf(stderr, "icupkg/ures_enumDependencies(%s res=%08x) %%ALIAS contains a '/'\n",
1.259 + itemName, res);
1.260 + *pErrorCode=U_UNSUPPORTED_ERROR;
1.261 + return;
1.262 + }
1.263 + }
1.264 +
1.265 + // convert the Unicode string to char *
1.266 + char localeID[32];
1.267 + if(length>=(int32_t)sizeof(localeID)) {
1.268 + fprintf(stderr, "icupkg/ures_enumDependencies(%s res=%08x) alias locale ID length %ld too long\n",
1.269 + itemName, res, (long)length);
1.270 + *pErrorCode=U_BUFFER_OVERFLOW_ERROR;
1.271 + return;
1.272 + }
1.273 + u_UCharsToChars(alias, localeID, length);
1.274 + localeID[length]=0;
1.275 +
1.276 + checkIDSuffix(itemName, localeID, -1, (useResSuffix ? ".res" : ""), check, context, pErrorCode);
1.277 +}
1.278 +
1.279 +/*
1.280 + * Enumerate one resource item and its children and extract dependencies from
1.281 + * aliases.
1.282 + */
1.283 +static void
1.284 +ures_enumDependencies(const char *itemName,
1.285 + const ResourceData *pResData,
1.286 + Resource res, const char *inKey, const char *parentKey, int32_t depth,
1.287 + CheckDependency check, void *context,
1.288 + Package *pkg,
1.289 + UErrorCode *pErrorCode) {
1.290 + switch(res_getPublicType(res)) {
1.291 + case URES_STRING:
1.292 + {
1.293 + UBool useResSuffix = TRUE;
1.294 + // Check for %%ALIAS
1.295 + if(depth==1 && inKey!=NULL) {
1.296 + if(0!=strcmp(inKey, "%%ALIAS")) {
1.297 + break;
1.298 + }
1.299 + }
1.300 + // Check for %%DEPENDENCY
1.301 + else if(depth==2 && parentKey!=NULL) {
1.302 + if(0!=strcmp(parentKey, "%%DEPENDENCY")) {
1.303 + break;
1.304 + }
1.305 + useResSuffix = FALSE;
1.306 + } else {
1.307 + // we ignore all other strings
1.308 + break;
1.309 + }
1.310 + int32_t length;
1.311 + const UChar *alias=res_getString(pResData, res, &length);
1.312 + checkAlias(itemName, res, alias, length, useResSuffix, check, context, pErrorCode);
1.313 + }
1.314 + break;
1.315 + case URES_ALIAS:
1.316 + {
1.317 + int32_t length;
1.318 + const UChar *alias=res_getAlias(pResData, res, &length);
1.319 + checkAlias(itemName, res, alias, length, TRUE, check, context, pErrorCode);
1.320 + }
1.321 + break;
1.322 + case URES_TABLE:
1.323 + {
1.324 + /* recurse */
1.325 + int32_t count=res_countArrayItems(pResData, res);
1.326 + for(int32_t i=0; i<count; ++i) {
1.327 + const char *itemKey;
1.328 + Resource item=res_getTableItemByIndex(pResData, res, i, &itemKey);
1.329 + ures_enumDependencies(
1.330 + itemName, pResData,
1.331 + item, itemKey,
1.332 + inKey, depth+1,
1.333 + check, context,
1.334 + pkg,
1.335 + pErrorCode);
1.336 + if(U_FAILURE(*pErrorCode)) {
1.337 + fprintf(stderr, "icupkg/ures_enumDependencies(%s table res=%08x)[%d].recurse(%s: %08x) failed\n",
1.338 + itemName, res, i, itemKey, item);
1.339 + break;
1.340 + }
1.341 + }
1.342 + }
1.343 + break;
1.344 + case URES_ARRAY:
1.345 + {
1.346 + /* recurse */
1.347 + int32_t count=res_countArrayItems(pResData, res);
1.348 + for(int32_t i=0; i<count; ++i) {
1.349 + Resource item=res_getArrayItem(pResData, res, i);
1.350 + ures_enumDependencies(
1.351 + itemName, pResData,
1.352 + item, NULL,
1.353 + inKey, depth+1,
1.354 + check, context,
1.355 + pkg,
1.356 + pErrorCode);
1.357 + if(U_FAILURE(*pErrorCode)) {
1.358 + fprintf(stderr, "icupkg/ures_enumDependencies(%s array res=%08x)[%d].recurse(%08x) failed\n",
1.359 + itemName, res, i, item);
1.360 + break;
1.361 + }
1.362 + }
1.363 + }
1.364 + break;
1.365 + default:
1.366 + break;
1.367 + }
1.368 +}
1.369 +
1.370 +static void
1.371 +ures_enumDependencies(const char *itemName, const UDataInfo *pInfo,
1.372 + const uint8_t *inBytes, int32_t length,
1.373 + CheckDependency check, void *context,
1.374 + Package *pkg,
1.375 + UErrorCode *pErrorCode) {
1.376 + ResourceData resData;
1.377 +
1.378 + res_read(&resData, pInfo, inBytes, length, pErrorCode);
1.379 + if(U_FAILURE(*pErrorCode)) {
1.380 + fprintf(stderr, "icupkg: .res format version %02x.%02x not supported, or bundle malformed\n",
1.381 + pInfo->formatVersion[0], pInfo->formatVersion[1]);
1.382 + exit(U_UNSUPPORTED_ERROR);
1.383 + }
1.384 +
1.385 + /*
1.386 + * if the bundle attributes are present and the nofallback flag is not set,
1.387 + * then add the parent bundle as a dependency
1.388 + */
1.389 + if(pInfo->formatVersion[0]>1 || (pInfo->formatVersion[0]==1 && pInfo->formatVersion[1]>=1)) {
1.390 + if(!resData.noFallback) {
1.391 + /* this bundle participates in locale fallback */
1.392 + checkParent(itemName, check, context, pErrorCode);
1.393 + }
1.394 + }
1.395 +
1.396 + icu::NativeItem nativePool;
1.397 +
1.398 + if(resData.usesPoolBundle) {
1.399 + char poolName[200];
1.400 + makeTargetName(itemName, "pool", 4, ".res", poolName, (int32_t)sizeof(poolName), pErrorCode);
1.401 + if(U_FAILURE(*pErrorCode)) {
1.402 + return;
1.403 + }
1.404 + check(context, itemName, poolName);
1.405 + int32_t index=pkg->findItem(poolName);
1.406 + if(index<0) {
1.407 + // We cannot work with a bundle if its pool resource is missing.
1.408 + // check() already printed a complaint.
1.409 + return;
1.410 + }
1.411 + // TODO: Cache the native version in the Item itself.
1.412 + nativePool.setItem(pkg->getItem(index), ures_swap);
1.413 + const UDataInfo *poolInfo=nativePool.getDataInfo();
1.414 + if(poolInfo->formatVersion[0]<=1) {
1.415 + fprintf(stderr, "icupkg: %s is not a pool bundle\n", poolName);
1.416 + return;
1.417 + }
1.418 + const int32_t *poolIndexes=(const int32_t *)nativePool.getBytes()+1;
1.419 + int32_t poolIndexLength=poolIndexes[URES_INDEX_LENGTH]&0xff;
1.420 + if(!(poolIndexLength>URES_INDEX_POOL_CHECKSUM &&
1.421 + (poolIndexes[URES_INDEX_ATTRIBUTES]&URES_ATT_IS_POOL_BUNDLE))
1.422 + ) {
1.423 + fprintf(stderr, "icupkg: %s is not a pool bundle\n", poolName);
1.424 + return;
1.425 + }
1.426 + if(resData.pRoot[1+URES_INDEX_POOL_CHECKSUM]==poolIndexes[URES_INDEX_POOL_CHECKSUM]) {
1.427 + resData.poolBundleKeys=(const char *)(poolIndexes+poolIndexLength);
1.428 + } else {
1.429 + fprintf(stderr, "icupkg: %s has mismatched checksum for %s\n", poolName, itemName);
1.430 + return;
1.431 + }
1.432 + }
1.433 +
1.434 + ures_enumDependencies(
1.435 + itemName, &resData,
1.436 + resData.rootRes, NULL, NULL, 0,
1.437 + check, context,
1.438 + pkg,
1.439 + pErrorCode);
1.440 +}
1.441 +
1.442 +// get dependencies from conversion tables --------------------------------- ***
1.443 +
1.444 +/* code adapted from ucnv_swap() */
1.445 +static void
1.446 +ucnv_enumDependencies(const UDataSwapper *ds,
1.447 + const char *itemName, const UDataInfo *pInfo,
1.448 + const uint8_t *inBytes, int32_t length,
1.449 + CheckDependency check, void *context,
1.450 + UErrorCode *pErrorCode) {
1.451 + uint32_t staticDataSize;
1.452 +
1.453 + const UConverterStaticData *inStaticData;
1.454 +
1.455 + const _MBCSHeader *inMBCSHeader;
1.456 + uint8_t outputType;
1.457 +
1.458 + /* check format version */
1.459 + if(!(
1.460 + pInfo->formatVersion[0]==6 &&
1.461 + pInfo->formatVersion[1]>=2
1.462 + )) {
1.463 + fprintf(stderr, "icupkg/ucnv_enumDependencies(): .cnv format version %02x.%02x not supported\n",
1.464 + pInfo->formatVersion[0], pInfo->formatVersion[1]);
1.465 + exit(U_UNSUPPORTED_ERROR);
1.466 + }
1.467 +
1.468 + /* read the initial UConverterStaticData structure after the UDataInfo header */
1.469 + inStaticData=(const UConverterStaticData *)inBytes;
1.470 +
1.471 + if( length<(int32_t)sizeof(UConverterStaticData) ||
1.472 + (uint32_t)length<(staticDataSize=ds->readUInt32(inStaticData->structSize))
1.473 + ) {
1.474 + udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after header) for an ICU .cnv conversion table\n",
1.475 + length);
1.476 + *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
1.477 + return;
1.478 + }
1.479 +
1.480 + inBytes+=staticDataSize;
1.481 + length-=(int32_t)staticDataSize;
1.482 +
1.483 + /* check for supported conversionType values */
1.484 + if(inStaticData->conversionType==UCNV_MBCS) {
1.485 + /* MBCS data */
1.486 + uint32_t mbcsHeaderLength, mbcsHeaderFlags, mbcsHeaderOptions;
1.487 + int32_t extOffset;
1.488 +
1.489 + inMBCSHeader=(const _MBCSHeader *)inBytes;
1.490 +
1.491 + if(length<(int32_t)sizeof(_MBCSHeader)) {
1.492 + udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after headers) for an ICU MBCS .cnv conversion table\n",
1.493 + length);
1.494 + *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
1.495 + return;
1.496 + }
1.497 + if(inMBCSHeader->version[0]==4 && inMBCSHeader->version[1]>=1) {
1.498 + mbcsHeaderLength=MBCS_HEADER_V4_LENGTH;
1.499 + } else if(inMBCSHeader->version[0]==5 && inMBCSHeader->version[1]>=3 &&
1.500 + ((mbcsHeaderOptions=ds->readUInt32(inMBCSHeader->options))&
1.501 + MBCS_OPT_UNKNOWN_INCOMPATIBLE_MASK)==0
1.502 + ) {
1.503 + mbcsHeaderLength=mbcsHeaderOptions&MBCS_OPT_LENGTH_MASK;
1.504 + } else {
1.505 + udata_printError(ds, "icupkg/ucnv_enumDependencies(): unsupported _MBCSHeader.version %d.%d\n",
1.506 + inMBCSHeader->version[0], inMBCSHeader->version[1]);
1.507 + *pErrorCode=U_UNSUPPORTED_ERROR;
1.508 + return;
1.509 + }
1.510 +
1.511 + mbcsHeaderFlags=ds->readUInt32(inMBCSHeader->flags);
1.512 + extOffset=(int32_t)(mbcsHeaderFlags>>8);
1.513 + outputType=(uint8_t)mbcsHeaderFlags;
1.514 +
1.515 + if(outputType==MBCS_OUTPUT_EXT_ONLY) {
1.516 + /*
1.517 + * extension-only file,
1.518 + * contains a base name instead of normal base table data
1.519 + */
1.520 + char baseName[32];
1.521 + int32_t baseNameLength;
1.522 +
1.523 + /* there is extension data after the base data, see ucnv_ext.h */
1.524 + if(length<(extOffset+UCNV_EXT_INDEXES_MIN_LENGTH*4)) {
1.525 + udata_printError(ds, "icupkg/ucnv_enumDependencies(): too few bytes (%d after headers) for an ICU MBCS .cnv conversion table with extension data\n",
1.526 + length);
1.527 + *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
1.528 + return;
1.529 + }
1.530 +
1.531 + /* swap the base name, between the header and the extension data */
1.532 + const char *inBaseName=(const char *)inBytes+mbcsHeaderLength*4;
1.533 + baseNameLength=(int32_t)strlen(inBaseName);
1.534 + if(baseNameLength>=(int32_t)sizeof(baseName)) {
1.535 + udata_printError(ds, "icupkg/ucnv_enumDependencies(%s): base name length %ld too long\n",
1.536 + itemName, baseNameLength);
1.537 + *pErrorCode=U_UNSUPPORTED_ERROR;
1.538 + return;
1.539 + }
1.540 + ds->swapInvChars(ds, inBaseName, baseNameLength+1, baseName, pErrorCode);
1.541 +
1.542 + checkIDSuffix(itemName, baseName, -1, ".cnv", check, context, pErrorCode);
1.543 + }
1.544 + }
1.545 +}
1.546 +
1.547 +// ICU data formats -------------------------------------------------------- ***
1.548 +
1.549 +static const struct {
1.550 + uint8_t dataFormat[4];
1.551 +} dataFormats[]={
1.552 + { { 0x52, 0x65, 0x73, 0x42 } }, /* dataFormat="ResB" */
1.553 + { { 0x63, 0x6e, 0x76, 0x74 } }, /* dataFormat="cnvt" */
1.554 + { { 0x43, 0x76, 0x41, 0x6c } } /* dataFormat="CvAl" */
1.555 +};
1.556 +
1.557 +enum {
1.558 + FMT_RES,
1.559 + FMT_CNV,
1.560 + FMT_ALIAS,
1.561 + FMT_COUNT
1.562 +};
1.563 +
1.564 +static int32_t
1.565 +getDataFormat(const uint8_t dataFormat[4]) {
1.566 + int32_t i;
1.567 +
1.568 + for(i=0; i<FMT_COUNT; ++i) {
1.569 + if(0==memcmp(dataFormats[i].dataFormat, dataFormat, 4)) {
1.570 + return i;
1.571 + }
1.572 + }
1.573 + return -1;
1.574 +}
1.575 +
1.576 +// enumerate dependencies of a package item -------------------------------- ***
1.577 +
1.578 +void
1.579 +Package::enumDependencies(Item *pItem, void *context, CheckDependency check) {
1.580 + int32_t infoLength, itemHeaderLength;
1.581 + UErrorCode errorCode=U_ZERO_ERROR;
1.582 + const UDataInfo *pInfo=getDataInfo(pItem->data, pItem->length, infoLength, itemHeaderLength, &errorCode);
1.583 + if(U_FAILURE(errorCode)) {
1.584 + return; // should not occur because readFile() checks headers
1.585 + }
1.586 +
1.587 + // find the data format and call the corresponding function, if any
1.588 + int32_t format=getDataFormat(pInfo->dataFormat);
1.589 + if(format>=0) {
1.590 + switch(format) {
1.591 + case FMT_RES:
1.592 + {
1.593 + /*
1.594 + * Swap the resource bundle (if necessary) so that we can use
1.595 + * the normal runtime uresdata.c code to read it.
1.596 + * We do not want to duplicate that code, especially not together with on-the-fly swapping.
1.597 + */
1.598 + NativeItem nrb(pItem, ures_swap);
1.599 + ures_enumDependencies(pItem->name, nrb.getDataInfo(), nrb.getBytes(), nrb.getLength(), check, context, this, &errorCode);
1.600 + break;
1.601 + }
1.602 + case FMT_CNV:
1.603 + {
1.604 + // TODO: share/cache swappers
1.605 + UDataSwapper *ds=udata_openSwapper(
1.606 + (UBool)pInfo->isBigEndian, pInfo->charsetFamily,
1.607 + U_IS_BIG_ENDIAN, U_CHARSET_FAMILY,
1.608 + &errorCode);
1.609 + if(U_FAILURE(errorCode)) {
1.610 + fprintf(stderr, "icupkg: udata_openSwapper(\"%s\") failed - %s\n",
1.611 + pItem->name, u_errorName(errorCode));
1.612 + exit(errorCode);
1.613 + }
1.614 +
1.615 + ds->printError=printError;
1.616 + ds->printErrorContext=stderr;
1.617 +
1.618 + const uint8_t *inBytes=pItem->data+itemHeaderLength;
1.619 + int32_t length=pItem->length-itemHeaderLength;
1.620 +
1.621 + ucnv_enumDependencies(ds, pItem->name, pInfo, inBytes, length, check, context, &errorCode);
1.622 + udata_closeSwapper(ds);
1.623 + break;
1.624 + }
1.625 + default:
1.626 + break;
1.627 + }
1.628 +
1.629 + if(U_FAILURE(errorCode)) {
1.630 + exit(errorCode);
1.631 + }
1.632 + }
1.633 +}
1.634 +
1.635 +U_NAMESPACE_END
