U_CAPI Resource U_EXPORT2
res_getResource(const ResourceData * pResData, const char * key)
{
const char * realKey = key;
int32_t idx;
return res_getTableItemByKey(pResData, pResData->rootRes, &idx, &realKey);
}
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;
}
