static void
res_init(ResourceData *pResData,
UVersionInfo formatVersion, const void *inBytes, int32_t length,
UErrorCode *errorCode) {
UResType rootType;
/* get the root resource */
pResData->pRoot=(const int32_t *)inBytes;
pResData->rootRes=(Resource)*pResData->pRoot;
pResData->p16BitUnits=&gEmpty16;
/* formatVersion 1.1 must have a root item and at least 5 indexes */
if(length>=0 && (length/4)<((formatVersion[0]==1 && formatVersion[1]==0) ? 1 : 1+5)) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
/* currently, we accept only resources that have a Table as their roots */
rootType=(UResType)RES_GET_TYPE(pResData->rootRes);
if(!URES_IS_TABLE(rootType)) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if(formatVersion[0]==1 && formatVersion[1]==0) {
pResData->localKeyLimit=0x10000; /* greater than any 16-bit key string offset */
} else {
/* bundles with formatVersion 1.1 and later contain an indexes[] array */
const int32_t *indexes=pResData->pRoot+1;
int32_t indexLength=indexes[URES_INDEX_LENGTH]&0xff;
if(indexLength<=URES_INDEX_MAX_TABLE_LENGTH) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if( length>=0 &&
(length<((1+indexLength)<<2) ||
length<(indexes[URES_INDEX_BUNDLE_TOP]<<2))
) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if(indexes[URES_INDEX_KEYS_TOP]>(1+indexLength)) {
pResData->localKeyLimit=indexes[URES_INDEX_KEYS_TOP]<<2;
}
if(indexLength>URES_INDEX_ATTRIBUTES) {
int32_t att=indexes[URES_INDEX_ATTRIBUTES];
pResData->noFallback=(UBool)(att&URES_ATT_NO_FALLBACK);
pResData->isPoolBundle=(UBool)((att&URES_ATT_IS_POOL_BUNDLE)!=0);
pResData->usesPoolBundle=(UBool)((att&URES_ATT_USES_POOL_BUNDLE)!=0);
}
if((pResData->isPoolBundle || pResData->usesPoolBundle) && indexLength<=URES_INDEX_POOL_CHECKSUM) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if( indexLength>URES_INDEX_16BIT_TOP &&
indexes[URES_INDEX_16BIT_TOP]>indexes[URES_INDEX_KEYS_TOP]
) {
pResData->p16BitUnits=(const uint16_t *)(pResData->pRoot+indexes[URES_INDEX_KEYS_TOP]);
}
}
if(formatVersion[0]==1 || U_CHARSET_FAMILY==U_ASCII_FAMILY) {
/*
* formatVersion 1: compare key strings in native-charset order
* formatVersion 2 and up: compare key strings in ASCII order
*/
pResData->useNativeStrcmp=TRUE;
}
}
U_CFUNC Resource
res_findResource(const ResourceData *pResData, Resource r, char** path, const char** key) {
/* we pass in a path. CollationElements/Sequence or zoneStrings/3/2 etc.
* iterates over a path and stops when a scalar resource is found. This
* CAN be an alias. Path gets set to the part that has not yet been processed.
*/
char *pathP = *path, *nextSepP = *path;
char *closeIndex = NULL;
Resource t1 = r;
Resource t2;
int32_t indexR = 0;
UResType type = (UResType)RES_GET_TYPE(t1);
/* if you come in with an empty path, you'll be getting back the same resource */
if(!uprv_strlen(pathP)) {
return r;
}
/* one needs to have an aggregate resource in order to search in it */
if(!URES_IS_CONTAINER(type)) {
return RES_BOGUS;
}
while(nextSepP && *pathP && t1 != RES_BOGUS && URES_IS_CONTAINER(type)) {
/* Iteration stops if: the path has been consumed, we found a non-existing
* resource (t1 == RES_BOGUS) or we found a scalar resource (including alias)
*/
nextSepP = uprv_strchr(pathP, RES_PATH_SEPARATOR);
/* if there are more separators, terminate string
* and set path to the remaining part of the string
*/
if(nextSepP != NULL) {
*nextSepP = 0; /* overwrite the separator with a NUL to terminate the key */
*path = nextSepP+1;
} else {
*path = uprv_strchr(pathP, 0);
}
/* if the resource is a table */
/* try the key based access */
if(URES_IS_TABLE(type)) {
*key = pathP;
t2 = res_getTableItemByKey(pResData, t1, &indexR, key);
if(t2 == RES_BOGUS) {
/* if we fail to get the resource by key, maybe we got an index */
indexR = uprv_strtol(pathP, &closeIndex, 10);
if(closeIndex != pathP) {
/* if we indeed have an index, try to get the item by index */
t2 = res_getTableItemByIndex(pResData, t1, indexR, key);
}
}
} else if(URES_IS_ARRAY(type)) {
indexR = uprv_strtol(pathP, &closeIndex, 10);
if(closeIndex != pathP) {
t2 = res_getArrayItem(pResData, t1, indexR);
} else {
t2 = RES_BOGUS; /* have an array, but don't have a valid index */
}
*key = NULL;
} else { /* can't do much here, except setting t2 to bogus */
t2 = RES_BOGUS;
}
t1 = t2;
type = (UResType)RES_GET_TYPE(t1);
/* position pathP to next resource key/index */
pathP = *path;
}
return t1;
}
static void
res_init(ResourceData *pResData,
UVersionInfo formatVersion, const void *inBytes, int32_t length,
UErrorCode *errorCode) {
UResType rootType;
/* get the root resource */
pResData->pRoot=(const int32_t *)inBytes;
pResData->rootRes=(Resource)*pResData->pRoot;
pResData->p16BitUnits=&gEmpty16;
/* formatVersion 1.1 must have a root item and at least 5 indexes */
if(length>=0 && (length/4)<((formatVersion[0]==1 && formatVersion[1]==0) ? 1 : 1+5)) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
/* currently, we accept only resources that have a Table as their roots */
rootType=(UResType)RES_GET_TYPE(pResData->rootRes);
if(!URES_IS_TABLE(rootType)) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if(formatVersion[0]==1 && formatVersion[1]==0) {
pResData->localKeyLimit=0x10000; /* greater than any 16-bit key string offset */
} else {
/* bundles with formatVersion 1.1 and later contain an indexes[] array */
const int32_t *indexes=pResData->pRoot+1;
int32_t indexLength=indexes[URES_INDEX_LENGTH]&0xff;
if(indexLength<=URES_INDEX_MAX_TABLE_LENGTH) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if( length>=0 &&
(length<((1+indexLength)<<2) ||
length<(indexes[URES_INDEX_BUNDLE_TOP]<<2))
) {
*errorCode=U_INVALID_FORMAT_ERROR;
res_unload(pResData);
return;
}
if(indexes[URES_INDEX_KEYS_TOP]>(1+indexLength)) {
pResData->localKeyLimit=indexes[URES_INDEX_KEYS_TOP]<<2;
}
if(formatVersion[0]>=3) {
// In formatVersion 1, the indexLength took up this whole int.
// In version 2, bits 31..8 were reserved and always 0.
// In version 3, they contain bits 23..0 of the poolStringIndexLimit.
// Bits 27..24 are in indexes[URES_INDEX_ATTRIBUTES] bits 15..12.
pResData->poolStringIndexLimit=(int32_t)((uint32_t)indexes[URES_INDEX_LENGTH]>>8);
}
if(indexLength>URES_INDEX_ATTRIBUTES) {
int32_t att=indexes[URES_INDEX_ATTRIBUTES];
pResData->noFallback=(UBool)(att&URES_ATT_NO_FALLBACK);
pResData->isPoolBundle=(UBool)((att&URES_ATT_IS_POOL_BUNDLE)!=0);
pResData->usesPoolBundle=(UBool)((att&URES_ATT_USES_POOL_BUNDLE)!=0);
pResData->poolStringIndexLimit|=(att&0xf000)<<12; // bits 15..12 -> 27..24
pResData->poolStringIndex16Limit=(int32_t)((uint32_t)att>>16);
}
