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ICU-1948 Introducing alias type.

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X-SVN-Rev: 8892
This commit is contained in:
Vladimir Weinstein 2002-06-14 06:01:13 +00:00
parent f5577b6906
commit d75e2f97df
3 changed files with 69 additions and 1 deletions
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5
icu4c/source/common/unicode/ures.h
View File

@ -186,7 +186,10 @@ typedef enum {
RES_INT=7,
RES_ARRAY=8,
/* this resource is an alias - contains a string
* that is the name of resource containing data
*/
RES_ALIAS=13,
RES_INT_VECTOR=14,
RES_RESERVED=15
} UResType;

62
icu4c/source/tools/genrb/reslist.c
View File

@ -66,6 +66,16 @@ static uint32_t string_write(UNewDataMemory *mem, struct SResource *res,
return usedOffset;
}
/* Writing Functions */
static uint32_t alias_write(UNewDataMemory *mem, struct SResource *res,
uint32_t usedOffset, UErrorCode *status) {
udata_write32(mem, res->u.fString.fLength);
udata_writeUString(mem, res->u.fString.fChars, res->u.fString.fLength + 1);
udata_writePadding(mem, calcPadding(res->fSize));
return usedOffset;
}
static uint32_t array_write(UNewDataMemory *mem, struct SResource *res,
uint32_t usedOffset, UErrorCode *status) {
uint32_t *resources = NULL;
@ -242,6 +252,8 @@ uint32_t res_write(UNewDataMemory *mem, struct SResource *res,
switch (res->fType) {
case RES_STRING:
return string_write (mem, res, usedOffset, status);
case RES_ALIAS:
return alias_write (mem, res, usedOffset, status);
case RES_INT_VECTOR:
return intvector_write (mem, res, usedOffset, status);
case RES_BINARY:
@ -432,6 +444,47 @@ struct SResource *string_open(struct SRBRoot *bundle, char *tag, UChar *value, i
return res;
}
/* TODO: make alias_open and string_open use the same code */
struct SResource *alias_open(struct SRBRoot *bundle, char *tag, UChar *value, int32_t len, UErrorCode *status) {
struct SResource *res;
if (U_FAILURE(*status)) {
return NULL;
}
res = (struct SResource *) uprv_malloc(sizeof(struct SResource));
if (res == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
res->fType = RES_ALIAS;
res->fKey = bundle_addtag(bundle, tag, status);
if (U_FAILURE(*status)) {
uprv_free(res);
return NULL;
}
res->fNext = NULL;
res->u.fString.fLength = len;
res->u.fString.fChars = (UChar *) uprv_malloc(sizeof(UChar) * (len + 1));
if (res->u.fString.fChars == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
uprv_free(res);
return NULL;
}
uprv_memcpy(res->u.fString.fChars, value, sizeof(UChar) * (len + 1));
res->fSize = sizeof(int32_t) + sizeof(UChar) * (len + 1);
return res;
}
struct SResource* intvector_open(struct SRBRoot *bundle, char *tag, UErrorCode *status) {
struct SResource *res;
@ -617,6 +670,12 @@ void string_close(struct SResource *string, UErrorCode *status) {
}
}
void alias_close(struct SResource *alias, UErrorCode *status) {
if (alias->u.fString.fChars != NULL) {
uprv_free(alias->u.fString.fChars);
}
}
void intvector_close(struct SResource *intvector, UErrorCode *status) {
if (intvector->u.fIntVector.fArray != NULL) {
uprv_free(intvector->u.fIntVector.fArray);
@ -639,6 +698,9 @@ void res_close(struct SResource *res, UErrorCode *status) {
case RES_STRING:
string_close(res, status);
break;
case RES_ALIAS:
alias_close(res, status);
break;
case RES_INT_VECTOR:
intvector_close(res, status);
break;

3
icu4c/source/tools/genrb/reslist.h
View File

@ -82,6 +82,9 @@ struct SResString {
struct SResource *string_open(struct SRBRoot *bundle, char *tag, UChar *value, int32_t len, UErrorCode *status);
void string_close(struct SResource *string, UErrorCode *status);
struct SResource *alias_open(struct SRBRoot *bundle, char *tag, UChar *value, int32_t len, UErrorCode *status);
void alias_close(struct SResource *string, UErrorCode *status);
struct SResIntVector {
uint32_t fCount;
uint32_t *fArray;