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ICU-1948 Support for resource level aliases

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X-SVN-Rev: 8893
This commit is contained in:
Vladimir Weinstein 2002-06-14 06:03:08 +00:00
parent d75e2f97df
commit 36387b18a7
3 changed files with 80 additions and 1 deletions
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62
icu4c/source/common/uresbund.c
View File

@ -497,10 +497,70 @@ static UResourceDataEntry *entryOpen(const char* path, const char* localeID, UEr
*/
static void entryClose(UResourceDataEntry *resB);
/* INTERNAL: */
static UResourceBundle *init_resb_result(const ResourceData *rdata, const Resource r, const char *key, UResourceDataEntry *realData, UResourceBundle *resB, UErrorCode *status) {
static UResourceBundle *init_resb_result(const ResourceData *rdata, Resource r, const char *key, UResourceDataEntry *realData, UResourceBundle *resB, UErrorCode *status) {
if(status == NULL || U_FAILURE(*status)) {
return resB;
}
if(RES_GET_TYPE(r) == RES_ALIAS) { /* This is an alias, need to exchange with real data */
int32_t len = 0;
const UChar *alias = res_getAlias(rdata, r, &len);
if(len > 0) {
/* we have an alias, now let's cut it up */
int32_t i = 0;
char *chAlias = NULL, *path = NULL, *locale = NULL, *keyPath = NULL;
int32_t pathLen = 0, localeLen = 0, keyPathLen = 0;
chAlias = (char *)uprv_malloc((len+1)*sizeof(char));
u_UCharsToChars(alias, chAlias, len);
chAlias[len] = 0;
locale = uprv_strchr(chAlias, '|');
if(locale == NULL) {
locale = chAlias;
} else {
*locale = 0;
locale++;
path = chAlias;
}
keyPath = uprv_strchr(locale, '/');
if(keyPath == NULL) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
} else {
*keyPath = 0;
keyPath++;
}
{
char *kp = NULL;
/* got almost everything, let's try to open */
UResourceBundle *res = ures_open(path, locale, status);
UResourceBundle *res2 = resB;
while(kp=uprv_strchr(keyPath, '/')) {
*kp = 0;
res2 = ures_getByKey(res, keyPath, res2, status);
ures_close(res);
res = res2;
keyPath = kp+1;
}
res2 = ures_getByKey(res, keyPath, res2, status);
ures_close(res);
/*res = res2;*/
/* here we have the wanted resource */
/*
rdata = &(res->fResData);
r = res->fRes;
realData = res->fData;
*/
uprv_free(chAlias);
return res2;
}
} else {
/* bad alias, should be an error */
*status = U_ILLEGAL_ARGUMENT_ERROR;
return resB;
}
}
if(resB == NULL) {
resB = (UResourceBundle *)uprv_malloc(sizeof(UResourceBundle));
ures_setIsStackObject(resB, FALSE);

16
icu4c/source/common/uresdata.c
View File

@ -211,6 +211,22 @@ res_getString(const ResourceData *pResData, const Resource res, int32_t *pLength
}
}
U_CFUNC const UChar *
res_getAlias(const ResourceData *pResData, const Resource res, int32_t *pLength) {
if(res!=RES_BOGUS && RES_GET_TYPE(res)==RES_ALIAS) {
int32_t *p=(int32_t *)RES_GET_POINTER(pResData->pRoot, res);
if (pLength) {
*pLength=*p;
}
return (UChar *)++p;
} else {
if (pLength) {
*pLength=0;
}
return NULL;
}
}
U_CFUNC const uint8_t *
res_getBinary(const ResourceData *pResData, const Resource res, int32_t *pLength) {
if(res!=RES_BOGUS) {

3
icu4c/source/common/uresdata.h
View File

@ -92,6 +92,9 @@ res_unload(ResourceData *pResData);
U_CFUNC const UChar *
res_getString(const ResourceData *pResData, const Resource res, int32_t *pLength);
U_CFUNC const UChar *
res_getAlias(const ResourceData *pResData, const Resource res, int32_t *pLength);
U_CFUNC const uint8_t *
res_getBinary(const ResourceData *pResData, const Resource res, int32_t *pLength);