1071 lines
36 KiB
C
1071 lines
36 KiB
C
/*
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*******************************************************************************
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* *
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* Copyright (C) 1999-2003, International Business Machines Corporation *
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* and others. All Rights Reserved. *
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* *
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*******************************************************************************
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* file name: uresdata.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 1999dec08
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* created by: Markus W. Scherer
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* Modification History:
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*
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* Date Name Description
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* 06/20/2000 helena OS/400 port changes; mostly typecast.
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* 06/24/02 weiv Added support for resource sharing
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*/
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#include "unicode/utypes.h"
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#include "unicode/udata.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "uarrsort.h"
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#include "udataswp.h"
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#include "ucol_swp.h"
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#include "uresdata.h"
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#include "uresimp.h"
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#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
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/*
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* Resource access helpers
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*/
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/* get a const char* pointer to the key with the keyOffset byte offset from pRoot */
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#define RES_GET_KEY(pRoot, keyOffset) ((const char *)(pRoot)+(keyOffset))
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#define URESDATA_ITEM_NOT_FOUND -1
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/*
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* All the type-access functions assume that
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* the resource is of the expected type.
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*/
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/*
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* Array functions
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*/
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static Resource
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_res_getArrayItem(Resource *pRoot, Resource res, int32_t indexR) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pRoot, res);
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if(indexR<*p) {
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return ((const Resource *)(p))[1+indexR];
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} else {
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return RES_BOGUS; /* indexR>itemCount */
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}
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}
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/*
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* Table functions
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*
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* Important: the key offsets are 16-bit byte offsets from pRoot,
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* and the itemCount is one more 16-bit, too.
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* Thus, there are (count+1) uint16_t values.
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* In order to 4-align the Resource item values, there is a padding
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* word if count is even, i.e., there is exactly (~count&1)
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* 16-bit padding words.
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*
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* For Table32, both the count and the key offsets are int32_t's
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* and need not alignment.
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*/
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static const char *
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_res_getTableKey(const Resource *pRoot, const Resource res, int32_t indexS) {
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const uint16_t *p=(const uint16_t *)RES_GET_POINTER(pRoot, res);
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if((uint32_t)indexS<(uint32_t)*p) {
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return RES_GET_KEY(pRoot, p[indexS+1]);
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} else {
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return NULL; /* indexS>itemCount */
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}
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}
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static const char *
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_res_getTable32Key(const Resource *pRoot, const Resource res, int32_t indexS) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pRoot, res);
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if((uint32_t)indexS<(uint32_t)*p) {
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return RES_GET_KEY(pRoot, p[indexS+1]);
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} else {
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return NULL; /* indexS>itemCount */
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}
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}
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static Resource
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_res_getTableItem(const Resource *pRoot, const Resource res, int32_t indexR) {
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const uint16_t *p=(const uint16_t *)RES_GET_POINTER(pRoot, res);
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int32_t count=*p;
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if((uint32_t)indexR<(uint32_t)count) {
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return ((const Resource *)(p+1+count+(~count&1)))[indexR];
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} else {
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return RES_BOGUS; /* indexR>itemCount */
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}
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}
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static Resource
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_res_getTable32Item(const Resource *pRoot, const Resource res, int32_t indexR) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pRoot, res);
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int32_t count=*p;
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if((uint32_t)indexR<(uint32_t)count) {
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return ((const Resource *)(p+1+count))[indexR];
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} else {
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return RES_BOGUS; /* indexR>itemCount */
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}
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}
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static Resource
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_res_findTableItem(const Resource *pRoot, const Resource res, const char *key,
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int32_t *index, const char **realKey) {
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const uint16_t *p=(const uint16_t *)RES_GET_POINTER(pRoot, res);
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int32_t i, start, limit;
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limit=*p++; /* number of entries */
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if(limit == 0) { /* this table is empty */
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*index=URESDATA_ITEM_NOT_FOUND;
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return RES_BOGUS;
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}
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/* do a binary search for the key */
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start=0;
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while(start<limit-1) {
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i=(int32_t)((start+limit)/2);
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if(uprv_strcmp(key, RES_GET_KEY(pRoot, p[i]))<0) {
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limit=i;
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} else {
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start=i;
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}
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}
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/* did we really find it? */
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if(uprv_strcmp(key, RES_GET_KEY(pRoot, p[start]))==0) {
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*index=start;
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*realKey=RES_GET_KEY(pRoot, p[start]);
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limit=*(p-1); /* itemCount */
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return ((const Resource *)(p+limit+(~limit&1)))[start];
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} else {
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*index=URESDATA_ITEM_NOT_FOUND;
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return RES_BOGUS; /* not found */
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}
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}
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static Resource
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_res_findTable32Item(const Resource *pRoot, const Resource res, const char *key,
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int32_t *index, const char **realKey) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pRoot, res);
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int32_t i, start, limit;
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limit=*p++; /* number of entries */
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if(limit == 0) { /* this table is empty */
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*index=URESDATA_ITEM_NOT_FOUND;
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return RES_BOGUS;
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}
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/* do a binary search for the key */
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start=0;
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while(start<limit-1) {
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i=(int32_t)((start+limit)/2);
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if(uprv_strcmp(key, RES_GET_KEY(pRoot, p[i]))<0) {
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limit=i;
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} else {
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start=i;
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}
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}
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/* did we really find it? */
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if(uprv_strcmp(key, RES_GET_KEY(pRoot, p[start]))==0) {
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*index=start;
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*realKey=RES_GET_KEY(pRoot, p[start]);
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limit=*(p-1); /* itemCount */
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return ((const Resource *)(p+limit))[start];
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} else {
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*index=URESDATA_ITEM_NOT_FOUND;
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return RES_BOGUS; /* not found */
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}
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}
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/* helper for res_load() ---------------------------------------------------- */
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static UBool U_CALLCONV
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isAcceptable(void *context,
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const char *type, const char *name,
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const UDataInfo *pInfo) {
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return (UBool)(
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pInfo->size>=20 &&
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pInfo->isBigEndian==U_IS_BIG_ENDIAN &&
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pInfo->charsetFamily==U_CHARSET_FAMILY &&
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pInfo->sizeofUChar==U_SIZEOF_UCHAR &&
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pInfo->dataFormat[0]==0x52 && /* dataFormat="ResB" */
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pInfo->dataFormat[1]==0x65 &&
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pInfo->dataFormat[2]==0x73 &&
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pInfo->dataFormat[3]==0x42 &&
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pInfo->formatVersion[0]==1);
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}
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/* semi-public functions ---------------------------------------------------- */
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U_CFUNC UBool
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res_load(ResourceData *pResData,
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const char *path, const char *name, UErrorCode *errorCode) {
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UResType rootType;
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/* load the ResourceBundle file */
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pResData->data=udata_openChoice(path, "res", name, isAcceptable, NULL, errorCode);
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if(U_FAILURE(*errorCode)) {
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return FALSE;
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}
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/* get its memory and root resource */
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pResData->pRoot=(Resource *)udata_getMemory(pResData->data);
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pResData->rootRes=*pResData->pRoot;
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/* currently, we accept only resources that have a Table as their roots */
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rootType=RES_GET_TYPE(pResData->rootRes);
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if(rootType!=URES_TABLE && rootType!=URES_TABLE32) {
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*errorCode=U_INVALID_FORMAT_ERROR;
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udata_close(pResData->data);
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pResData->data=NULL;
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return FALSE;
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}
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return TRUE;
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}
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U_CFUNC void
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res_unload(ResourceData *pResData) {
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if(pResData->data!=NULL) {
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udata_close(pResData->data);
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pResData->data=NULL;
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}
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}
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U_CFUNC const UChar *
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res_getString(const ResourceData *pResData, const Resource res, int32_t *pLength) {
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if(res!=RES_BOGUS && RES_GET_TYPE(res)==URES_STRING) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pResData->pRoot, res);
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if (pLength) {
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*pLength=*p;
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}
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return (const UChar *)++p;
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} else {
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if (pLength) {
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*pLength=0;
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}
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return NULL;
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}
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}
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U_CFUNC const UChar *
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res_getAlias(const ResourceData *pResData, const Resource res, int32_t *pLength) {
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if(res!=RES_BOGUS && RES_GET_TYPE(res)==URES_ALIAS) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pResData->pRoot, res);
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if (pLength) {
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*pLength=*p;
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}
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return (const UChar *)++p;
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} else {
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if (pLength) {
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*pLength=0;
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}
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return NULL;
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}
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}
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U_CFUNC const uint8_t *
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res_getBinary(const ResourceData *pResData, const Resource res, int32_t *pLength) {
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if(res!=RES_BOGUS) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pResData->pRoot, res);
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*pLength=*p++;
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if (*pLength == 0) {
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p = NULL;
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}
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return (const uint8_t *)p;
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} else {
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*pLength=0;
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return NULL;
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}
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}
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U_CFUNC const int32_t *
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res_getIntVector(const ResourceData *pResData, const Resource res, int32_t *pLength) {
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if(res!=RES_BOGUS && RES_GET_TYPE(res)==URES_INT_VECTOR) {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pResData->pRoot, res);
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*pLength=*p++;
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if (*pLength == 0) {
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p = NULL;
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}
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return (const int32_t *)p;
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} else {
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*pLength=0;
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return NULL;
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}
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}
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U_CFUNC int32_t
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res_countArrayItems(const ResourceData *pResData, const Resource res) {
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if(res!=RES_BOGUS) {
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switch(RES_GET_TYPE(res)) {
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case URES_STRING:
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case URES_BINARY:
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case URES_ALIAS:
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case URES_INT:
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case URES_INT_VECTOR:
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return 1;
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case URES_ARRAY:
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case URES_TABLE32: {
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const int32_t *p=(const int32_t *)RES_GET_POINTER(pResData->pRoot, res);
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return *p;
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}
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case URES_TABLE: {
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const uint16_t *p=(const uint16_t *)RES_GET_POINTER(pResData->pRoot, res);
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return *p;
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}
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default:
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break;
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}
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}
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return 0;
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}
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U_CFUNC Resource
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res_getResource(const ResourceData *pResData, const char *key) {
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int32_t index;
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const char *realKey;
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if(RES_GET_TYPE(pResData->rootRes)==URES_TABLE) {
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return _res_findTableItem(pResData->pRoot, pResData->rootRes, key, &index, &realKey);
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} else {
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return _res_findTable32Item(pResData->pRoot, pResData->rootRes, key, &index, &realKey);
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}
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}
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U_CFUNC Resource
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res_getArrayItem(const ResourceData *pResData, Resource array, const int32_t indexR) {
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return _res_getArrayItem(pResData->pRoot, array, indexR);
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}
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U_CFUNC Resource
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res_findResource(const ResourceData *pResData, Resource r, char** path, const char** key) {
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/* we pass in a path. CollationElements/Sequence or zoneStrings/3/2 etc.
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* iterates over a path and stops when a scalar resource is found. This
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* CAN be an alias. Path gets set to the part that has not yet been processed.
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*/
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char *pathP = *path, *nextSepP = *path;
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char *closeIndex = NULL;
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Resource t1 = r;
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Resource t2;
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int32_t indexR = 0;
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UResType type = RES_GET_TYPE(t1);
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/* if you come in with an empty path, you'll be getting back the same resource */
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if(!uprv_strlen(pathP)) {
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return r;
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}
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/* one needs to have an aggregate resource in order to search in it */
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if(!(type == URES_TABLE || type == URES_TABLE32 || type == URES_ARRAY)) {
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return RES_BOGUS;
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}
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while(nextSepP && *pathP && t1 != RES_BOGUS &&
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(type == URES_TABLE || type == URES_TABLE32 || type == URES_ARRAY)
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) {
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/* Iteration stops if: the path has been consumed, we found a non-existing
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* resource (t1 == RES_BOGUS) or we found a scalar resource (including alias)
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*/
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nextSepP = uprv_strchr(pathP, RES_PATH_SEPARATOR);
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/* if there are more separators, terminate string
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* and set path to the remaining part of the string
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*/
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if(nextSepP != NULL) {
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*nextSepP = 0; /* overwrite the separator with a NUL to terminate the key */
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*path = nextSepP+1;
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} else {
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*path = uprv_strchr(pathP, 0);
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}
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/* if the resource is a table */
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/* try the key based access */
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if(type == URES_TABLE) {
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t2 = _res_findTableItem(pResData->pRoot, t1, pathP, &indexR, key);
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if(t2 == RES_BOGUS) {
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/* if we fail to get the resource by key, maybe we got an index */
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indexR = uprv_strtol(pathP, &closeIndex, 10);
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if(closeIndex != pathP) {
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/* if we indeed have an index, try to get the item by index */
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t2 = res_getTableItemByIndex(pResData, t1, indexR, key);
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}
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}
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} else if(type == URES_TABLE32) {
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t2 = _res_findTable32Item(pResData->pRoot, t1, pathP, &indexR, key);
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if(t2 == RES_BOGUS) {
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/* if we fail to get the resource by key, maybe we got an index */
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indexR = uprv_strtol(pathP, &closeIndex, 10);
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if(closeIndex != pathP) {
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/* if we indeed have an index, try to get the item by index */
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t2 = res_getTableItemByIndex(pResData, t1, indexR, key);
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}
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}
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} else if(type == URES_ARRAY) {
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indexR = uprv_strtol(pathP, &closeIndex, 10);
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if(closeIndex != pathP) {
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t2 = _res_getArrayItem(pResData->pRoot, t1, indexR);
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} else {
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t2 = RES_BOGUS; /* have an array, but don't have a valid index */
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}
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*key = NULL;
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} else { /* can't do much here, except setting t2 to bogus */
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t2 = RES_BOGUS;
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}
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t1 = t2;
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type = RES_GET_TYPE(t1);
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/* position pathP to next resource key/index */
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pathP = *path;
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}
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return t1;
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}
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U_CFUNC Resource
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res_getTableItemByKey(const ResourceData *pResData, Resource table,
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int32_t *indexR, const char **key) {
|
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if(key != NULL && *key != NULL) {
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if(RES_GET_TYPE(table)==URES_TABLE) {
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return _res_findTableItem(pResData->pRoot, table, *key, indexR, key);
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} else {
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return _res_findTable32Item(pResData->pRoot, table, *key, indexR, key);
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}
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} else {
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return RES_BOGUS;
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}
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}
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U_CFUNC Resource
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res_getTableItemByIndex(const ResourceData *pResData, Resource table,
|
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int32_t indexR, const char **key) {
|
|
if(indexR>-1) {
|
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if(RES_GET_TYPE(table)==URES_TABLE) {
|
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if(key != NULL) {
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*key = _res_getTableKey(pResData->pRoot, table, indexR);
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}
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return _res_getTableItem(pResData->pRoot, table, indexR);
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} else {
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if(key != NULL) {
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*key = _res_getTable32Key(pResData->pRoot, table, indexR);
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}
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return _res_getTable32Item(pResData->pRoot, table, indexR);
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}
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} else {
|
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return RES_BOGUS;
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}
|
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}
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|
|
/* resource bundle swapping ------------------------------------------------- */
|
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|
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/*
|
|
* Need to always enumerate the entire item tree,
|
|
* track the lowest address of any item to use as the limit for char keys[],
|
|
* track the highest address of any item to return the size of the data.
|
|
*
|
|
* We should have thought of storing those in the data...
|
|
* It is possible to extend the data structure by putting additional values
|
|
* in places that are inaccessible by ordinary enumeration of the item tree.
|
|
* For example, additional integers could be stored at the beginning or
|
|
* end of the key strings; this could be indicated by a minor version number,
|
|
* and the data swapping would have to know about these values.
|
|
*
|
|
* The data structure does not forbid keys to be shared, so we must swap
|
|
* all keys once instead of each key when it is referenced.
|
|
*
|
|
* These swapping functions assume that a resource bundle always has a length
|
|
* that is a multiple of 4 bytes.
|
|
* Currently, this is trivially true because genrb writes bundle tree leaves
|
|
* physically first, before their branches, so that the root table with its
|
|
* array of resource items (uint32_t values) is always last.
|
|
*/
|
|
|
|
/* definitions for table sorting ------------------------ */
|
|
|
|
/*
|
|
* row of a temporary array
|
|
*
|
|
* gets platform-endian key string indexes and sorting indexes;
|
|
* after sorting this array by keys, the actual key/value arrays are permutated
|
|
* according to the sorting indexes
|
|
*/
|
|
typedef struct Row {
|
|
int32_t keyIndex, sortIndex;
|
|
} Row;
|
|
|
|
static int32_t
|
|
ures_compareRows(const void *context, const void *left, const void *right) {
|
|
const char *keyChars=(const char *)context;
|
|
return (int32_t)uprv_strcmp(keyChars+((const Row *)left)->keyIndex,
|
|
keyChars+((const Row *)right)->keyIndex);
|
|
}
|
|
|
|
typedef struct TempTable {
|
|
const char *keyChars;
|
|
Row *rows;
|
|
int32_t *resort;
|
|
} TempTable;
|
|
|
|
enum {
|
|
STACK_ROW_CAPACITY=200
|
|
};
|
|
|
|
/* binary data with known formats is swapped too */
|
|
typedef enum UResSpecialType {
|
|
URES_NO_SPECIAL_TYPE,
|
|
URES_COLLATION_BINARY,
|
|
URES_SPECIAL_TYPE_COUNT
|
|
} UResSpecialType;
|
|
|
|
/* resource table key for collation binaries: "%%CollationBin" */
|
|
static const UChar gCollationBinKey[]={
|
|
0x25, 0x25,
|
|
0x43, 0x6f, 0x6c, 0x6c, 0x61, 0x74, 0x69, 0x6f, 0x6e,
|
|
0x42, 0x69, 0x6e,
|
|
0
|
|
};
|
|
|
|
/*
|
|
* preflight one resource item and set bottom and top values;
|
|
* length, bottom, and top count Resource item offsets (4 bytes each), not bytes
|
|
*/
|
|
static void
|
|
ures_preflightResource(const UDataSwapper *ds,
|
|
const Resource *inBundle, int32_t length,
|
|
Resource res,
|
|
int32_t *pBottom, int32_t *pTop, int32_t *pMaxTableLength,
|
|
UErrorCode *pErrorCode) {
|
|
const Resource *p;
|
|
int32_t offset;
|
|
|
|
if(res==0 || RES_GET_TYPE(res)==URES_INT) {
|
|
/* empty string or integer, nothing to do */
|
|
return;
|
|
}
|
|
|
|
/* all other types use an offset to point to their data */
|
|
offset=(int32_t)RES_GET_OFFSET(res);
|
|
if(0<=length && length<=offset) {
|
|
udata_printError(ds, "ures_preflightResource(res=%08x) resource offset exceeds bundle length %d\n",
|
|
res, length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return;
|
|
} else if(offset<*pBottom) {
|
|
*pBottom=offset;
|
|
}
|
|
p=inBundle+offset;
|
|
|
|
switch(RES_GET_TYPE(res)) {
|
|
case URES_ALIAS:
|
|
/* physically same value layout as string, fall through */
|
|
case URES_STRING:
|
|
/* top=offset+1+(string length +1)/2 rounded up */
|
|
offset+=1+((udata_readInt32(ds, (int32_t)*p)+1)+1)/2;
|
|
break;
|
|
case URES_BINARY:
|
|
/* top=offset+1+(binary length)/4 rounded up */
|
|
offset+=1+(udata_readInt32(ds, (int32_t)*p)+3)/4;
|
|
break;
|
|
case URES_TABLE:
|
|
case URES_TABLE32:
|
|
{
|
|
Resource item;
|
|
int32_t i, count;
|
|
|
|
if(RES_GET_TYPE(res)==URES_TABLE) {
|
|
/* get table item count */
|
|
const uint16_t *pKey16=(const uint16_t *)p;
|
|
count=ds->readUInt16(*pKey16++);
|
|
|
|
/* top=((1+ table item count)/2 rounded up)+(table item count) */
|
|
offset+=((1+count)+1)/2;
|
|
} else {
|
|
/* get table item count */
|
|
const int32_t *pKey32=(const int32_t *)p;
|
|
count=udata_readInt32(ds, *pKey32++);
|
|
|
|
/* top=(1+ table item count)+(table item count) */
|
|
offset+=1+count;
|
|
}
|
|
|
|
if(count>*pMaxTableLength) {
|
|
*pMaxTableLength=count;
|
|
}
|
|
|
|
p=inBundle+offset; /* pointer to table resources */
|
|
offset+=count;
|
|
|
|
/* recurse */
|
|
if(offset<=length) {
|
|
for(i=0; i<count; ++i) {
|
|
item=ds->readUInt32(*p++);
|
|
ures_preflightResource(ds, inBundle, length, item,
|
|
pBottom, pTop, pMaxTableLength,
|
|
pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_preflightResource(table res=%08x)[%d].recurse(%08x) failed - %s\n",
|
|
res, i, item, u_errorName(*pErrorCode));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case URES_ARRAY:
|
|
{
|
|
Resource item;
|
|
int32_t i, count;
|
|
|
|
/* top=offset+1+(array length) */
|
|
count=udata_readInt32(ds, (int32_t)*p++);
|
|
offset+=1+count;
|
|
|
|
/* recurse */
|
|
if(offset<=length) {
|
|
for(i=0; i<count; ++i) {
|
|
item=ds->readUInt32(*p++);
|
|
ures_preflightResource(ds, inBundle, length, item,
|
|
pBottom, pTop, pMaxTableLength,
|
|
pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_preflightResource(array res=%08x)[%d].recurse(%08x) failed - %s\n",
|
|
res, i, item, u_errorName(*pErrorCode));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case URES_INT_VECTOR:
|
|
/* top=offset+1+(vector length) */
|
|
offset+=1+udata_readInt32(ds, (int32_t)*p);
|
|
break;
|
|
default:
|
|
/* also catches RES_BOGUS */
|
|
udata_printError(ds, "ures_preflightResource(res=%08x) unknown resource type\n", res);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
break;
|
|
}
|
|
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
/* nothing to do */
|
|
} else if(0<=length && length<offset) {
|
|
udata_printError(ds, "ures_preflightResource(res=%08x) resource limit exceeds bundle length %d\n",
|
|
res, length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
} else if(offset>*pTop) {
|
|
*pTop=offset;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* swap one resource item
|
|
* since preflighting succeeded, we need not check offsets against length any more
|
|
*/
|
|
static void
|
|
ures_swapResource(const UDataSwapper *ds,
|
|
const Resource *inBundle, Resource *outBundle,
|
|
Resource res, /* caller swaps res itself */
|
|
UResSpecialType specialType,
|
|
TempTable *pTempTable,
|
|
UErrorCode *pErrorCode) {
|
|
const Resource *p;
|
|
Resource *q;
|
|
int32_t offset, count;
|
|
|
|
if(res==0 || RES_GET_TYPE(res)==URES_INT) {
|
|
/* empty string or integer, nothing to do */
|
|
return;
|
|
}
|
|
|
|
/* all other types use an offset to point to their data */
|
|
offset=(int32_t)RES_GET_OFFSET(res);
|
|
p=inBundle+offset;
|
|
q=outBundle+offset;
|
|
|
|
switch(RES_GET_TYPE(res)) {
|
|
case URES_ALIAS:
|
|
/* physically same value layout as string, fall through */
|
|
case URES_STRING:
|
|
count=udata_readInt32(ds, (int32_t)*p);
|
|
/* swap length */
|
|
ds->swapArray32(ds, p, 4, q, pErrorCode);
|
|
/* swap each UChar (the terminating NUL would not change) */
|
|
ds->swapArray16(ds, p+1, 2*count, q+1, pErrorCode);
|
|
break;
|
|
case URES_BINARY:
|
|
count=udata_readInt32(ds, (int32_t)*p);
|
|
/* swap length */
|
|
ds->swapArray32(ds, p, 4, q, pErrorCode);
|
|
/* no need to swap or copy bytes - ures_swap() copied them all */
|
|
|
|
/* swap known formats */
|
|
if(specialType==URES_COLLATION_BINARY) {
|
|
#if !UCONFIG_NO_COLLATION
|
|
ucol_swapBinary(ds, p+1, count, q+1, pErrorCode);
|
|
#endif
|
|
}
|
|
break;
|
|
case URES_TABLE:
|
|
case URES_TABLE32:
|
|
{
|
|
const uint16_t *pKey16;
|
|
uint16_t *qKey16;
|
|
|
|
const int32_t *pKey32;
|
|
int32_t *qKey32;
|
|
|
|
Resource item;
|
|
int32_t i, oldIndex;
|
|
|
|
if(RES_GET_TYPE(res)==URES_TABLE) {
|
|
/* get table item count */
|
|
pKey16=(const uint16_t *)p;
|
|
qKey16=(uint16_t *)q;
|
|
count=ds->readUInt16(*pKey16);
|
|
|
|
pKey32=qKey32=NULL;
|
|
|
|
/* swap count */
|
|
ds->swapArray16(ds, pKey16++, 2, qKey16++, pErrorCode);
|
|
|
|
offset+=((1+count)+1)/2;
|
|
} else {
|
|
/* get table item count */
|
|
pKey32=(const int32_t *)p;
|
|
qKey32=(int32_t *)q;
|
|
count=udata_readInt32(ds, *pKey32);
|
|
|
|
pKey16=qKey16=NULL;
|
|
|
|
/* swap count */
|
|
ds->swapArray32(ds, pKey32++, 4, qKey32++, pErrorCode);
|
|
|
|
offset+=1+count;
|
|
}
|
|
|
|
if(count==0) {
|
|
break;
|
|
}
|
|
|
|
p=inBundle+offset; /* pointer to table resources */
|
|
q=outBundle+offset;
|
|
|
|
/* recurse */
|
|
for(i=0; i<count; ++i) {
|
|
/*
|
|
* detect a collation binary that is to be swapped via
|
|
* ds->compareInvChars(ds, outData+readUInt16(pKey[i]), "%%CollationBin")
|
|
* etc.
|
|
*
|
|
* use some UDataSwapFn pointer from somewhere for collation swapping
|
|
* because the common library cannot directly call into the i18n library
|
|
*/
|
|
if(0==ds->compareInvChars(ds,
|
|
((const char *)outBundle)+
|
|
(pKey16!=NULL ?
|
|
ds->readUInt16(pKey16[i]) :
|
|
udata_readInt32(ds, pKey32[i])),
|
|
-1,
|
|
gCollationBinKey, LENGTHOF(gCollationBinKey)-1)
|
|
) {
|
|
specialType=URES_COLLATION_BINARY;
|
|
} else {
|
|
specialType=URES_NO_SPECIAL_TYPE;
|
|
}
|
|
|
|
item=ds->readUInt32(p[i]);
|
|
ures_swapResource(ds, inBundle, outBundle, item, specialType, pTempTable, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_swapResource(table res=%08x)[%d].recurse(%08x) failed - %s\n",
|
|
res, i, item, u_errorName(*pErrorCode));
|
|
return;
|
|
}
|
|
}
|
|
|
|
if(ds->inCharset==ds->outCharset) {
|
|
/* no need to sort, just swap the offset/value arrays */
|
|
if(pKey16!=NULL) {
|
|
ds->swapArray16(ds, pKey16, count*2, qKey16, pErrorCode);
|
|
ds->swapArray32(ds, p, count*4, q, pErrorCode);
|
|
} else {
|
|
/* swap key offsets and items as one array */
|
|
ds->swapArray32(ds, pKey32, count*2*4, qKey32, pErrorCode);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* We need to sort tables by outCharset key strings because they
|
|
* sort differently for different charset families.
|
|
* ures_swap() already set pTempTable->keyChars appropriately.
|
|
* First we set up a temporary table with the key indexes and
|
|
* sorting indexes and sort that.
|
|
* Then we permutate and copy/swap the actual values.
|
|
*/
|
|
if(pKey16!=NULL) {
|
|
for(i=0; i<count; ++i) {
|
|
pTempTable->rows[i].keyIndex=ds->readUInt16(pKey16[i]);
|
|
pTempTable->rows[i].sortIndex=i;
|
|
}
|
|
} else {
|
|
for(i=0; i<count; ++i) {
|
|
pTempTable->rows[i].keyIndex=udata_readInt32(ds, pKey32[i]);
|
|
pTempTable->rows[i].sortIndex=i;
|
|
}
|
|
}
|
|
uprv_sortArray(pTempTable->rows, count, sizeof(Row),
|
|
ures_compareRows, pTempTable->keyChars,
|
|
FALSE, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_swapResource(table res=%08x).uprv_sortArray(%d items) failed - %s\n",
|
|
res, count, u_errorName(*pErrorCode));
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* copy/swap/permutate items
|
|
*
|
|
* If we swap in-place, then the permutation must use another
|
|
* temporary array (pTempTable->resort)
|
|
* before the results are copied to the outBundle.
|
|
*/
|
|
/* keys */
|
|
if(pKey16!=NULL) {
|
|
uint16_t *rKey16;
|
|
|
|
if(pKey16!=qKey16) {
|
|
rKey16=qKey16;
|
|
} else {
|
|
rKey16=(uint16_t *)pTempTable->resort;
|
|
}
|
|
for(i=0; i<count; ++i) {
|
|
oldIndex=pTempTable->rows[i].sortIndex;
|
|
ds->swapArray16(ds, pKey16+oldIndex, 2, rKey16+i, pErrorCode);
|
|
}
|
|
if(qKey16!=rKey16) {
|
|
uprv_memcpy(qKey16, rKey16, 2*count);
|
|
}
|
|
} else {
|
|
int32_t *rKey32;
|
|
|
|
if(pKey32!=qKey32) {
|
|
rKey32=qKey32;
|
|
} else {
|
|
rKey32=pTempTable->resort;
|
|
}
|
|
for(i=0; i<count; ++i) {
|
|
oldIndex=pTempTable->rows[i].sortIndex;
|
|
ds->swapArray32(ds, pKey32+oldIndex, 4, rKey32+i, pErrorCode);
|
|
}
|
|
if(qKey32!=rKey32) {
|
|
uprv_memcpy(qKey32, rKey32, 4*count);
|
|
}
|
|
}
|
|
|
|
/* resources */
|
|
{
|
|
Resource *r;
|
|
|
|
|
|
if(p!=q) {
|
|
r=q;
|
|
} else {
|
|
r=(Resource *)pTempTable->resort;
|
|
}
|
|
for(i=0; i<count; ++i) {
|
|
oldIndex=pTempTable->rows[i].sortIndex;
|
|
ds->swapArray32(ds, p+oldIndex, 4, r+i, pErrorCode);
|
|
}
|
|
if(q!=r) {
|
|
uprv_memcpy(q, r, 4*count);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case URES_ARRAY:
|
|
{
|
|
Resource item;
|
|
int32_t i;
|
|
|
|
count=udata_readInt32(ds, (int32_t)*p);
|
|
/* swap length */
|
|
ds->swapArray32(ds, p++, 4, q++, pErrorCode);
|
|
|
|
/* recurse */
|
|
for(i=0; i<count; ++i) {
|
|
item=ds->readUInt32(p[i]);
|
|
ures_swapResource(ds, inBundle, outBundle, item, URES_NO_SPECIAL_TYPE, pTempTable, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_swapResource(array res=%08x)[%d].recurse(%08x) failed - %s\n",
|
|
res, i, item, u_errorName(*pErrorCode));
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* swap items */
|
|
ds->swapArray32(ds, p, 4*count, q, pErrorCode);
|
|
}
|
|
break;
|
|
case URES_INT_VECTOR:
|
|
count=udata_readInt32(ds, (int32_t)*p);
|
|
/* swap length and each integer */
|
|
ds->swapArray32(ds, p, 4*(1+count), q, pErrorCode);
|
|
break;
|
|
default:
|
|
/* also catches RES_BOGUS */
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ures_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
const Resource *inBundle;
|
|
Resource rootRes;
|
|
int32_t headerSize, maxTableLength;
|
|
|
|
Row rows[STACK_ROW_CAPACITY];
|
|
int32_t resort[STACK_ROW_CAPACITY];
|
|
TempTable tempTable;
|
|
|
|
/* the following integers count Resource item offsets (4 bytes each), not bytes */
|
|
int32_t bundleLength, stringsBottom, bottom, top;
|
|
|
|
/* udata_swapDataHeader checks the arguments */
|
|
headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode);
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
|
|
/* check data format and format version */
|
|
pInfo=(const UDataInfo *)((const char *)inData+4);
|
|
if(!(
|
|
pInfo->dataFormat[0]==0x52 && /* dataFormat="ResB" */
|
|
pInfo->dataFormat[1]==0x65 &&
|
|
pInfo->dataFormat[2]==0x73 &&
|
|
pInfo->dataFormat[3]==0x42 &&
|
|
pInfo->formatVersion[0]==1
|
|
)) {
|
|
udata_printError(ds, "ures_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not a resource bundle\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* a resource bundle must contain at least one resource item */
|
|
if(length<0) {
|
|
bundleLength=-1;
|
|
} else {
|
|
bundleLength=(length-headerSize)/4;
|
|
|
|
/* formatVersion 1.1 must have a root item and at least 5 indexes */
|
|
if( bundleLength<
|
|
(pInfo->formatVersion[1]==0 ? 1 : 1+5)
|
|
) {
|
|
udata_printError(ds, "ures_swap(): too few bytes (%d after header) for a resource bundle\n",
|
|
length-headerSize);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
inBundle=(const Resource *)((const char *)inData+headerSize);
|
|
rootRes=ds->readUInt32(*inBundle);
|
|
|
|
if(pInfo->formatVersion[1]==0) {
|
|
/* preflight to get the bottom, top and maxTableLength values */
|
|
stringsBottom=1; /* just past root */
|
|
bottom=0x7fffffff;
|
|
top=maxTableLength=0;
|
|
ures_preflightResource(ds, inBundle, bundleLength, rootRes,
|
|
&bottom, &top, &maxTableLength,
|
|
pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_preflightResource(root res=%08x) failed - %s\n",
|
|
rootRes, u_errorName(*pErrorCode));
|
|
return 0;
|
|
}
|
|
} else {
|
|
/* formatVersion 1.1 adds the indexes[] array */
|
|
const int32_t *inIndexes;
|
|
|
|
inIndexes=(const int32_t *)(inBundle+1);
|
|
|
|
stringsBottom=1+udata_readInt32(ds, inIndexes[URES_INDEX_LENGTH]);
|
|
bottom=udata_readInt32(ds, inIndexes[URES_INDEX_STRINGS_TOP]);
|
|
top=udata_readInt32(ds, inIndexes[URES_INDEX_BUNDLE_TOP]);
|
|
maxTableLength=udata_readInt32(ds, inIndexes[URES_INDEX_MAX_TABLE_LENGTH]);
|
|
|
|
if(0<=bundleLength && bundleLength<top) {
|
|
udata_printError(ds, "ures_swap(): resource top %d exceeds bundle length %d\n",
|
|
top, bundleLength);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if(length>=0) {
|
|
Resource *outBundle=(Resource *)((char *)outData+headerSize);
|
|
|
|
/* copy the bundle for binary and inaccessible data */
|
|
if(inData!=outData) {
|
|
uprv_memcpy(outBundle, inBundle, 4*top);
|
|
}
|
|
|
|
/* swap the key strings, but not the padding bytes (0xaa) after the last string and its NUL */
|
|
udata_swapInvStringBlock(ds, inBundle+stringsBottom, 4*(bottom-stringsBottom),
|
|
outBundle+stringsBottom, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_swap().udata_swapInvStringBlock(keys[%d]) failed - %s\n", 4*(bottom-1),
|
|
u_errorName(*pErrorCode));
|
|
return 0;
|
|
}
|
|
|
|
/* allocate the temporary table for sorting resource tables */
|
|
tempTable.keyChars=(const char *)outBundle; /* sort by outCharset */
|
|
if(maxTableLength<=STACK_ROW_CAPACITY) {
|
|
tempTable.rows=rows;
|
|
tempTable.resort=resort;
|
|
} else {
|
|
tempTable.rows=(Row *)uprv_malloc(maxTableLength*sizeof(Row)+maxTableLength*4);
|
|
if(tempTable.rows==NULL) {
|
|
udata_printError(ds, "ures_swap(): unable to allocate memory for sorting tables (max length: %d)\n",
|
|
maxTableLength);
|
|
*pErrorCode=U_MEMORY_ALLOCATION_ERROR;
|
|
return 0;
|
|
}
|
|
tempTable.resort=(int32_t *)(tempTable.rows+maxTableLength);
|
|
}
|
|
|
|
/* swap the resources */
|
|
ures_swapResource(ds, inBundle, outBundle, rootRes, URES_NO_SPECIAL_TYPE, &tempTable, pErrorCode);
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "ures_swapResource(root res=%08x) failed - %s\n",
|
|
rootRes, u_errorName(*pErrorCode));
|
|
}
|
|
|
|
if(tempTable.rows!=rows) {
|
|
uprv_free(tempTable.rows);
|
|
}
|
|
|
|
/* swap the root resource and indexes */
|
|
ds->swapArray32(ds, inBundle, stringsBottom*4, outBundle, pErrorCode);
|
|
}
|
|
|
|
return headerSize+4*top;
|
|
}
|