829 lines
29 KiB
C++
829 lines
29 KiB
C++
/*
|
|
*******************************************************************************
|
|
*
|
|
* Copyright (C) 2005-2012, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
*
|
|
*******************************************************************************
|
|
* file name: swapimpl.cpp
|
|
* encoding: US-ASCII
|
|
* tab size: 8 (not used)
|
|
* indentation:4
|
|
*
|
|
* created on: 2005may05
|
|
* created by: Markus W. Scherer
|
|
*
|
|
* Data file swapping functions moved here from the common library
|
|
* because some data is hardcoded in ICU4C and needs not be swapped any more.
|
|
* Moving the functions here simplifies testing (for code coverage) because
|
|
* we need not jump through hoops (like adding snapshots of these files
|
|
* to testdata).
|
|
*
|
|
* The declarations for these functions remain in the internal header files
|
|
* in icu/source/common/
|
|
*/
|
|
|
|
#include "unicode/utypes.h"
|
|
#include "unicode/putil.h"
|
|
#include "unicode/udata.h"
|
|
|
|
/* Explicit include statement for std_string.h is needed
|
|
* for compilation on certain platforms. (e.g. AIX/VACPP)
|
|
*/
|
|
#include "unicode/std_string.h"
|
|
|
|
#include "cmemory.h"
|
|
#include "cstring.h"
|
|
#include "uinvchar.h"
|
|
#include "uassert.h"
|
|
#include "uarrsort.h"
|
|
#include "ucmndata.h"
|
|
#include "udataswp.h"
|
|
|
|
/* swapping implementations in common */
|
|
|
|
#include "uresdata.h"
|
|
#include "ucnv_io.h"
|
|
#include "uprops.h"
|
|
#include "ucase.h"
|
|
#include "ubidi_props.h"
|
|
#include "ucol_swp.h"
|
|
#include "ucnv_bld.h"
|
|
#include "unormimp.h"
|
|
#include "normalizer2impl.h"
|
|
#include "sprpimpl.h"
|
|
#include "propname.h"
|
|
#include "rbbidata.h"
|
|
#include "triedict.h"
|
|
#include "utrie2.h"
|
|
|
|
/* swapping implementations in i18n */
|
|
|
|
#if !UCONFIG_NO_NORMALIZATION
|
|
#include "uspoof_impl.h"
|
|
#endif
|
|
|
|
U_NAMESPACE_USE
|
|
|
|
/* definitions */
|
|
|
|
#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
|
|
|
|
/* Unicode property (value) aliases data swapping --------------------------- */
|
|
|
|
static int32_t U_CALLCONV
|
|
upname_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
/* udata_swapDataHeader checks the arguments */
|
|
int32_t headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode);
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
|
|
/* check data format and format version */
|
|
const UDataInfo *pInfo=
|
|
reinterpret_cast<const UDataInfo *>(
|
|
reinterpret_cast<const char *>(inData)+4);
|
|
if(!(
|
|
pInfo->dataFormat[0]==0x70 && /* dataFormat="pnam" */
|
|
pInfo->dataFormat[1]==0x6e &&
|
|
pInfo->dataFormat[2]==0x61 &&
|
|
pInfo->dataFormat[3]==0x6d &&
|
|
pInfo->formatVersion[0]==2
|
|
)) {
|
|
udata_printError(ds, "upname_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as pnames.icu\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
const uint8_t *inBytes=reinterpret_cast<const uint8_t *>(inData)+headerSize;
|
|
uint8_t *outBytes=reinterpret_cast<uint8_t *>(outData)+headerSize;
|
|
|
|
if(length>=0) {
|
|
length-=headerSize;
|
|
// formatVersion 2 initially has indexes[8], 32 bytes.
|
|
if(length<32) {
|
|
udata_printError(ds, "upname_swap(): too few bytes (%d after header) for pnames.icu\n",
|
|
(int)length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
const int32_t *inIndexes=reinterpret_cast<const int32_t *>(inBytes);
|
|
int32_t totalSize=udata_readInt32(ds, inIndexes[PropNameData::IX_TOTAL_SIZE]);
|
|
if(length>=0) {
|
|
if(length<totalSize) {
|
|
udata_printError(ds, "upname_swap(): too few bytes (%d after header, should be %d) "
|
|
"for pnames.icu\n",
|
|
(int)length, (int)totalSize);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
int32_t numBytesIndexesAndValueMaps=
|
|
udata_readInt32(ds, inIndexes[PropNameData::IX_BYTE_TRIES_OFFSET]);
|
|
|
|
// Swap the indexes[] and the valueMaps[].
|
|
ds->swapArray32(ds, inBytes, numBytesIndexesAndValueMaps, outBytes, pErrorCode);
|
|
|
|
// Copy the rest of the data.
|
|
if(inBytes!=outBytes) {
|
|
uprv_memcpy(outBytes+numBytesIndexesAndValueMaps,
|
|
inBytes+numBytesIndexesAndValueMaps,
|
|
totalSize-numBytesIndexesAndValueMaps);
|
|
}
|
|
|
|
// We need not swap anything else:
|
|
//
|
|
// The ByteTries are already byte-serialized, and are fixed on ASCII.
|
|
// (On an EBCDIC machine, the input string is converted to lowercase ASCII
|
|
// while matching.)
|
|
//
|
|
// The name groups are mostly invariant characters, but since we only
|
|
// generate, and keep in subversion, ASCII versions of pnames.icu,
|
|
// and since only ICU4J uses the pnames.icu data file
|
|
// (the data is hardcoded in ICU4C) and ICU4J uses ASCII data files,
|
|
// we just copy those bytes too.
|
|
}
|
|
|
|
return headerSize+totalSize;
|
|
}
|
|
|
|
/* Unicode properties data swapping ----------------------------------------- */
|
|
|
|
static int32_t U_CALLCONV
|
|
uprops_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
int32_t headerSize, i;
|
|
|
|
int32_t dataIndexes[UPROPS_INDEX_COUNT];
|
|
const int32_t *inData32;
|
|
|
|
/* 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]==0x55 && /* dataFormat="UPro" */
|
|
pInfo->dataFormat[1]==0x50 &&
|
|
pInfo->dataFormat[2]==0x72 &&
|
|
pInfo->dataFormat[3]==0x6f &&
|
|
(3<=pInfo->formatVersion[0] && pInfo->formatVersion[0]<=7) &&
|
|
(pInfo->formatVersion[0]>=7 ||
|
|
(pInfo->formatVersion[2]==UTRIE_SHIFT &&
|
|
pInfo->formatVersion[3]==UTRIE_INDEX_SHIFT))
|
|
)) {
|
|
udata_printError(ds, "uprops_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not a Unicode properties file\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* the properties file must contain at least the indexes array */
|
|
if(length>=0 && (length-headerSize)<(int32_t)sizeof(dataIndexes)) {
|
|
udata_printError(ds, "uprops_swap(): too few bytes (%d after header) for a Unicode properties file\n",
|
|
length-headerSize);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* read the indexes */
|
|
inData32=(const int32_t *)((const char *)inData+headerSize);
|
|
for(i=0; i<UPROPS_INDEX_COUNT; ++i) {
|
|
dataIndexes[i]=udata_readInt32(ds, inData32[i]);
|
|
}
|
|
|
|
/*
|
|
* comments are copied from the data format description in genprops/store.c
|
|
* indexes[] constants are in uprops.h
|
|
*/
|
|
int32_t dataTop;
|
|
if(length>=0) {
|
|
int32_t *outData32;
|
|
|
|
/*
|
|
* In formatVersion 7, UPROPS_DATA_TOP_INDEX has the post-header data size.
|
|
* In earlier formatVersions, it is 0 and a lower dataIndexes entry
|
|
* has the top of the last item.
|
|
*/
|
|
for(i=UPROPS_DATA_TOP_INDEX; i>0 && (dataTop=dataIndexes[i])==0; --i) {}
|
|
|
|
if((length-headerSize)<(4*dataTop)) {
|
|
udata_printError(ds, "uprops_swap(): too few bytes (%d after header) for a Unicode properties file\n",
|
|
length-headerSize);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
outData32=(int32_t *)((char *)outData+headerSize);
|
|
|
|
/* copy everything for inaccessible data (padding) */
|
|
if(inData32!=outData32) {
|
|
uprv_memcpy(outData32, inData32, 4*dataTop);
|
|
}
|
|
|
|
/* swap the indexes[16] */
|
|
ds->swapArray32(ds, inData32, 4*UPROPS_INDEX_COUNT, outData32, pErrorCode);
|
|
|
|
/*
|
|
* swap the main properties UTrie
|
|
* PT serialized properties trie, see utrie.h (byte size: 4*(i0-16))
|
|
*/
|
|
utrie2_swapAnyVersion(ds,
|
|
inData32+UPROPS_INDEX_COUNT,
|
|
4*(dataIndexes[UPROPS_PROPS32_INDEX]-UPROPS_INDEX_COUNT),
|
|
outData32+UPROPS_INDEX_COUNT,
|
|
pErrorCode);
|
|
|
|
/*
|
|
* swap the properties and exceptions words
|
|
* P const uint32_t props32[i1-i0];
|
|
* E const uint32_t exceptions[i2-i1];
|
|
*/
|
|
ds->swapArray32(ds,
|
|
inData32+dataIndexes[UPROPS_PROPS32_INDEX],
|
|
4*(dataIndexes[UPROPS_EXCEPTIONS_TOP_INDEX]-dataIndexes[UPROPS_PROPS32_INDEX]),
|
|
outData32+dataIndexes[UPROPS_PROPS32_INDEX],
|
|
pErrorCode);
|
|
|
|
/*
|
|
* swap the UChars
|
|
* U const UChar uchars[2*(i3-i2)];
|
|
*/
|
|
ds->swapArray16(ds,
|
|
inData32+dataIndexes[UPROPS_EXCEPTIONS_TOP_INDEX],
|
|
4*(dataIndexes[UPROPS_ADDITIONAL_TRIE_INDEX]-dataIndexes[UPROPS_EXCEPTIONS_TOP_INDEX]),
|
|
outData32+dataIndexes[UPROPS_EXCEPTIONS_TOP_INDEX],
|
|
pErrorCode);
|
|
|
|
/*
|
|
* swap the additional UTrie
|
|
* i3 additionalTrieIndex; -- 32-bit unit index to the additional trie for more properties
|
|
*/
|
|
utrie2_swapAnyVersion(ds,
|
|
inData32+dataIndexes[UPROPS_ADDITIONAL_TRIE_INDEX],
|
|
4*(dataIndexes[UPROPS_ADDITIONAL_VECTORS_INDEX]-dataIndexes[UPROPS_ADDITIONAL_TRIE_INDEX]),
|
|
outData32+dataIndexes[UPROPS_ADDITIONAL_TRIE_INDEX],
|
|
pErrorCode);
|
|
|
|
/*
|
|
* swap the properties vectors
|
|
* PV const uint32_t propsVectors[(i6-i4)/i5][i5]==uint32_t propsVectors[i6-i4];
|
|
*/
|
|
ds->swapArray32(ds,
|
|
inData32+dataIndexes[UPROPS_ADDITIONAL_VECTORS_INDEX],
|
|
4*(dataIndexes[UPROPS_SCRIPT_EXTENSIONS_INDEX]-dataIndexes[UPROPS_ADDITIONAL_VECTORS_INDEX]),
|
|
outData32+dataIndexes[UPROPS_ADDITIONAL_VECTORS_INDEX],
|
|
pErrorCode);
|
|
|
|
// swap the Script_Extensions data
|
|
// SCX const uint16_t scriptExtensions[2*(i7-i6)];
|
|
ds->swapArray16(ds,
|
|
inData32+dataIndexes[UPROPS_SCRIPT_EXTENSIONS_INDEX],
|
|
4*(dataIndexes[UPROPS_RESERVED_INDEX_7]-dataIndexes[UPROPS_SCRIPT_EXTENSIONS_INDEX]),
|
|
outData32+dataIndexes[UPROPS_SCRIPT_EXTENSIONS_INDEX],
|
|
pErrorCode);
|
|
}
|
|
|
|
/* i7 reservedIndex7; -- 32-bit unit index to the top of the Script_Extensions data */
|
|
return headerSize+4*dataIndexes[UPROPS_RESERVED_INDEX_7];
|
|
}
|
|
|
|
/* Unicode case mapping data swapping --------------------------------------- */
|
|
|
|
static int32_t U_CALLCONV
|
|
ucase_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
int32_t headerSize;
|
|
|
|
const uint8_t *inBytes;
|
|
uint8_t *outBytes;
|
|
|
|
const int32_t *inIndexes;
|
|
int32_t indexes[16];
|
|
|
|
int32_t i, offset, count, size;
|
|
|
|
/* 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]==UCASE_FMT_0 && /* dataFormat="cAsE" */
|
|
pInfo->dataFormat[1]==UCASE_FMT_1 &&
|
|
pInfo->dataFormat[2]==UCASE_FMT_2 &&
|
|
pInfo->dataFormat[3]==UCASE_FMT_3 &&
|
|
((pInfo->formatVersion[0]==1 &&
|
|
pInfo->formatVersion[2]==UTRIE_SHIFT &&
|
|
pInfo->formatVersion[3]==UTRIE_INDEX_SHIFT) ||
|
|
pInfo->formatVersion[0]==2 || pInfo->formatVersion[0]==3)
|
|
)) {
|
|
udata_printError(ds, "ucase_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as case mapping data\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
inBytes=(const uint8_t *)inData+headerSize;
|
|
outBytes=(uint8_t *)outData+headerSize;
|
|
|
|
inIndexes=(const int32_t *)inBytes;
|
|
|
|
if(length>=0) {
|
|
length-=headerSize;
|
|
if(length<16*4) {
|
|
udata_printError(ds, "ucase_swap(): too few bytes (%d after header) for case mapping data\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* read the first 16 indexes (ICU 3.2/format version 1: UCASE_IX_TOP==16, might grow) */
|
|
for(i=0; i<16; ++i) {
|
|
indexes[i]=udata_readInt32(ds, inIndexes[i]);
|
|
}
|
|
|
|
/* get the total length of the data */
|
|
size=indexes[UCASE_IX_LENGTH];
|
|
|
|
if(length>=0) {
|
|
if(length<size) {
|
|
udata_printError(ds, "ucase_swap(): too few bytes (%d after header) for all of case mapping data\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* copy the data for inaccessible bytes */
|
|
if(inBytes!=outBytes) {
|
|
uprv_memcpy(outBytes, inBytes, size);
|
|
}
|
|
|
|
offset=0;
|
|
|
|
/* swap the int32_t indexes[] */
|
|
count=indexes[UCASE_IX_INDEX_TOP]*4;
|
|
ds->swapArray32(ds, inBytes, count, outBytes, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the UTrie */
|
|
count=indexes[UCASE_IX_TRIE_SIZE];
|
|
utrie2_swapAnyVersion(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the uint16_t exceptions[] and unfold[] */
|
|
count=(indexes[UCASE_IX_EXC_LENGTH]+indexes[UCASE_IX_UNFOLD_LENGTH])*2;
|
|
ds->swapArray16(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
U_ASSERT(offset==size);
|
|
}
|
|
|
|
return headerSize+size;
|
|
}
|
|
|
|
/* Unicode bidi/shaping data swapping --------------------------------------- */
|
|
|
|
static int32_t U_CALLCONV
|
|
ubidi_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
int32_t headerSize;
|
|
|
|
const uint8_t *inBytes;
|
|
uint8_t *outBytes;
|
|
|
|
const int32_t *inIndexes;
|
|
int32_t indexes[16];
|
|
|
|
int32_t i, offset, count, size;
|
|
|
|
/* 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]==UBIDI_FMT_0 && /* dataFormat="BiDi" */
|
|
pInfo->dataFormat[1]==UBIDI_FMT_1 &&
|
|
pInfo->dataFormat[2]==UBIDI_FMT_2 &&
|
|
pInfo->dataFormat[3]==UBIDI_FMT_3 &&
|
|
((pInfo->formatVersion[0]==1 &&
|
|
pInfo->formatVersion[2]==UTRIE_SHIFT &&
|
|
pInfo->formatVersion[3]==UTRIE_INDEX_SHIFT) ||
|
|
pInfo->formatVersion[0]==2)
|
|
)) {
|
|
udata_printError(ds, "ubidi_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as bidi/shaping data\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
inBytes=(const uint8_t *)inData+headerSize;
|
|
outBytes=(uint8_t *)outData+headerSize;
|
|
|
|
inIndexes=(const int32_t *)inBytes;
|
|
|
|
if(length>=0) {
|
|
length-=headerSize;
|
|
if(length<16*4) {
|
|
udata_printError(ds, "ubidi_swap(): too few bytes (%d after header) for bidi/shaping data\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* read the first 16 indexes (ICU 3.4/format version 1: UBIDI_IX_TOP==16, might grow) */
|
|
for(i=0; i<16; ++i) {
|
|
indexes[i]=udata_readInt32(ds, inIndexes[i]);
|
|
}
|
|
|
|
/* get the total length of the data */
|
|
size=indexes[UBIDI_IX_LENGTH];
|
|
|
|
if(length>=0) {
|
|
if(length<size) {
|
|
udata_printError(ds, "ubidi_swap(): too few bytes (%d after header) for all of bidi/shaping data\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* copy the data for inaccessible bytes */
|
|
if(inBytes!=outBytes) {
|
|
uprv_memcpy(outBytes, inBytes, size);
|
|
}
|
|
|
|
offset=0;
|
|
|
|
/* swap the int32_t indexes[] */
|
|
count=indexes[UBIDI_IX_INDEX_TOP]*4;
|
|
ds->swapArray32(ds, inBytes, count, outBytes, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the UTrie */
|
|
count=indexes[UBIDI_IX_TRIE_SIZE];
|
|
utrie2_swapAnyVersion(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the uint32_t mirrors[] */
|
|
count=indexes[UBIDI_IX_MIRROR_LENGTH]*4;
|
|
ds->swapArray32(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* just skip the uint8_t jgArray[] */
|
|
count=indexes[UBIDI_IX_JG_LIMIT]-indexes[UBIDI_IX_JG_START];
|
|
offset+=count;
|
|
|
|
U_ASSERT(offset==size);
|
|
}
|
|
|
|
return headerSize+size;
|
|
}
|
|
|
|
/* Unicode normalization data swapping -------------------------------------- */
|
|
|
|
#if !UCONFIG_NO_NORMALIZATION
|
|
|
|
static int32_t U_CALLCONV
|
|
unorm_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
int32_t headerSize;
|
|
|
|
const uint8_t *inBytes;
|
|
uint8_t *outBytes;
|
|
|
|
const int32_t *inIndexes;
|
|
int32_t indexes[32];
|
|
|
|
int32_t i, offset, count, size;
|
|
|
|
/* 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]==0x4e && /* dataFormat="Norm" */
|
|
pInfo->dataFormat[1]==0x6f &&
|
|
pInfo->dataFormat[2]==0x72 &&
|
|
pInfo->dataFormat[3]==0x6d &&
|
|
pInfo->formatVersion[0]==2
|
|
)) {
|
|
udata_printError(ds, "unorm_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as unorm.icu\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
inBytes=(const uint8_t *)inData+headerSize;
|
|
outBytes=(uint8_t *)outData+headerSize;
|
|
|
|
inIndexes=(const int32_t *)inBytes;
|
|
|
|
if(length>=0) {
|
|
length-=headerSize;
|
|
if(length<32*4) {
|
|
udata_printError(ds, "unorm_swap(): too few bytes (%d after header) for unorm.icu\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* read the first 32 indexes (ICU 2.8/format version 2.2: _NORM_INDEX_TOP==32, might grow) */
|
|
for(i=0; i<32; ++i) {
|
|
indexes[i]=udata_readInt32(ds, inIndexes[i]);
|
|
}
|
|
|
|
/* calculate the total length of the data */
|
|
size=
|
|
32*4+ /* size of indexes[] */
|
|
indexes[_NORM_INDEX_TRIE_SIZE]+
|
|
indexes[_NORM_INDEX_UCHAR_COUNT]*2+
|
|
indexes[_NORM_INDEX_COMBINE_DATA_COUNT]*2+
|
|
indexes[_NORM_INDEX_FCD_TRIE_SIZE]+
|
|
indexes[_NORM_INDEX_AUX_TRIE_SIZE]+
|
|
indexes[_NORM_INDEX_CANON_SET_COUNT]*2;
|
|
|
|
if(length>=0) {
|
|
if(length<size) {
|
|
udata_printError(ds, "unorm_swap(): too few bytes (%d after header) for all of unorm.icu\n",
|
|
length);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
/* copy the data for inaccessible bytes */
|
|
if(inBytes!=outBytes) {
|
|
uprv_memcpy(outBytes, inBytes, size);
|
|
}
|
|
|
|
offset=0;
|
|
|
|
/* swap the indexes[] */
|
|
count=32*4;
|
|
ds->swapArray32(ds, inBytes, count, outBytes, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the main UTrie */
|
|
count=indexes[_NORM_INDEX_TRIE_SIZE];
|
|
utrie_swap(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the uint16_t extraData[] and the uint16_t combiningTable[] */
|
|
count=(indexes[_NORM_INDEX_UCHAR_COUNT]+indexes[_NORM_INDEX_COMBINE_DATA_COUNT])*2;
|
|
ds->swapArray16(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
|
|
/* swap the FCD UTrie */
|
|
count=indexes[_NORM_INDEX_FCD_TRIE_SIZE];
|
|
if(count!=0) {
|
|
utrie_swap(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
}
|
|
|
|
/* swap the aux UTrie */
|
|
count=indexes[_NORM_INDEX_AUX_TRIE_SIZE];
|
|
if(count!=0) {
|
|
utrie_swap(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
}
|
|
|
|
/* swap the uint16_t combiningTable[] */
|
|
count=indexes[_NORM_INDEX_CANON_SET_COUNT]*2;
|
|
ds->swapArray16(ds, inBytes+offset, count, outBytes+offset, pErrorCode);
|
|
offset+=count;
|
|
}
|
|
|
|
return headerSize+size;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Swap 'Test' data from gentest */
|
|
static int32_t U_CALLCONV
|
|
test_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
const UDataInfo *pInfo;
|
|
int32_t headerSize;
|
|
|
|
const uint8_t *inBytes;
|
|
uint8_t *outBytes;
|
|
|
|
int32_t offset;
|
|
|
|
/* udata_swapDataHeader checks the arguments */
|
|
headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode);
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "test_swap(): data header swap failed %s\n", u_errorName(*pErrorCode));
|
|
return 0;
|
|
}
|
|
|
|
/* check data format and format version */
|
|
pInfo=(const UDataInfo *)((const char *)inData+4);
|
|
if(!(
|
|
pInfo->dataFormat[0]==0x54 && /* dataFormat="Norm" */
|
|
pInfo->dataFormat[1]==0x65 &&
|
|
pInfo->dataFormat[2]==0x73 &&
|
|
pInfo->dataFormat[3]==0x74 &&
|
|
pInfo->formatVersion[0]==1
|
|
)) {
|
|
udata_printError(ds, "test_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as testdata\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
pInfo->formatVersion[0]);
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
inBytes=(const uint8_t *)inData+headerSize;
|
|
outBytes=(uint8_t *)outData+headerSize;
|
|
|
|
int32_t size16 = 2; // 16bit plus padding
|
|
int32_t sizeStr = 5; // 4 char inv-str plus null
|
|
int32_t size = size16 + sizeStr;
|
|
|
|
if(length>=0) {
|
|
if(length<size) {
|
|
udata_printError(ds, "test_swap(): too few bytes (%d after header, wanted %d) for all of testdata\n",
|
|
length, size);
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
offset =0;
|
|
/* swap a 1 entry array */
|
|
ds->swapArray16(ds, inBytes+offset, size16, outBytes+offset, pErrorCode);
|
|
offset+=size16;
|
|
ds->swapInvChars(ds, inBytes+offset, sizeStr, outBytes+offset, pErrorCode);
|
|
}
|
|
|
|
return headerSize+size;
|
|
}
|
|
|
|
/* swap any data (except a .dat package) ------------------------------------ */
|
|
|
|
static const struct {
|
|
uint8_t dataFormat[4];
|
|
UDataSwapFn *swapFn;
|
|
} swapFns[]={
|
|
{ { 0x52, 0x65, 0x73, 0x42 }, ures_swap }, /* dataFormat="ResB" */
|
|
#if !UCONFIG_NO_LEGACY_CONVERSION
|
|
{ { 0x63, 0x6e, 0x76, 0x74 }, ucnv_swap }, /* dataFormat="cnvt" */
|
|
#endif
|
|
#if !UCONFIG_NO_CONVERSION
|
|
{ { 0x43, 0x76, 0x41, 0x6c }, ucnv_swapAliases }, /* dataFormat="CvAl" */
|
|
#endif
|
|
#if !UCONFIG_NO_IDNA
|
|
{ { 0x53, 0x50, 0x52, 0x50 }, usprep_swap }, /* dataFormat="SPRP" */
|
|
#endif
|
|
/* insert data formats here, descending by expected frequency of occurrence */
|
|
{ { 0x55, 0x50, 0x72, 0x6f }, uprops_swap }, /* dataFormat="UPro" */
|
|
|
|
{ { UCASE_FMT_0, UCASE_FMT_1, UCASE_FMT_2, UCASE_FMT_3 },
|
|
ucase_swap }, /* dataFormat="cAsE" */
|
|
|
|
{ { UBIDI_FMT_0, UBIDI_FMT_1, UBIDI_FMT_2, UBIDI_FMT_3 },
|
|
ubidi_swap }, /* dataFormat="BiDi" */
|
|
|
|
#if !UCONFIG_NO_NORMALIZATION
|
|
{ { 0x4e, 0x6f, 0x72, 0x6d }, unorm_swap }, /* dataFormat="Norm" */
|
|
{ { 0x4e, 0x72, 0x6d, 0x32 }, unorm2_swap }, /* dataFormat="Nrm2" */
|
|
#endif
|
|
#if !UCONFIG_NO_COLLATION
|
|
{ { 0x55, 0x43, 0x6f, 0x6c }, ucol_swap }, /* dataFormat="UCol" */
|
|
{ { 0x49, 0x6e, 0x76, 0x43 }, ucol_swapInverseUCA },/* dataFormat="InvC" */
|
|
#endif
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
{ { 0x42, 0x72, 0x6b, 0x20 }, ubrk_swap }, /* dataFormat="Brk " */
|
|
{ { 0x54, 0x72, 0x44, 0x63 }, triedict_swap }, /* dataFormat="TrDc " */
|
|
#endif
|
|
{ { 0x70, 0x6e, 0x61, 0x6d }, upname_swap }, /* dataFormat="pnam" */
|
|
{ { 0x75, 0x6e, 0x61, 0x6d }, uchar_swapNames }, /* dataFormat="unam" */
|
|
#if !UCONFIG_NO_NORMALIZATION
|
|
{ { 0x43, 0x66, 0x75, 0x20 }, uspoof_swap }, /* dataFormat="Cfu " */
|
|
#endif
|
|
{ { 0x54, 0x65, 0x73, 0x74 }, test_swap } /* dataFormat="Test" */
|
|
};
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
udata_swap(const UDataSwapper *ds,
|
|
const void *inData, int32_t length, void *outData,
|
|
UErrorCode *pErrorCode) {
|
|
char dataFormatChars[4];
|
|
const UDataInfo *pInfo;
|
|
int32_t i, swappedLength;
|
|
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Preflight the header first; checks for illegal arguments, too.
|
|
* Do not swap the header right away because the format-specific swapper
|
|
* will swap it, get the headerSize again, and also use the header
|
|
* information. Otherwise we would have to pass some of the information
|
|
* and not be able to use the UDataSwapFn signature.
|
|
*/
|
|
udata_swapDataHeader(ds, inData, -1, NULL, pErrorCode);
|
|
|
|
/*
|
|
* If we wanted udata_swap() to also handle non-loadable data like a UTrie,
|
|
* then we could check here for further known magic values and structures.
|
|
*/
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0; /* the data format was not recognized */
|
|
}
|
|
|
|
pInfo=(const UDataInfo *)((const char *)inData+4);
|
|
|
|
{
|
|
/* convert the data format from ASCII to Unicode to the system charset */
|
|
UChar u[4]={
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3]
|
|
};
|
|
|
|
if(uprv_isInvariantUString(u, 4)) {
|
|
u_UCharsToChars(u, dataFormatChars, 4);
|
|
} else {
|
|
dataFormatChars[0]=dataFormatChars[1]=dataFormatChars[2]=dataFormatChars[3]='?';
|
|
}
|
|
}
|
|
|
|
/* dispatch to the swap function for the dataFormat */
|
|
for(i=0; i<LENGTHOF(swapFns); ++i) {
|
|
if(0==memcmp(swapFns[i].dataFormat, pInfo->dataFormat, 4)) {
|
|
swappedLength=swapFns[i].swapFn(ds, inData, length, outData, pErrorCode);
|
|
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
udata_printError(ds, "udata_swap(): failure swapping data format %02x.%02x.%02x.%02x (\"%c%c%c%c\") - %s\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
dataFormatChars[0], dataFormatChars[1],
|
|
dataFormatChars[2], dataFormatChars[3],
|
|
u_errorName(*pErrorCode));
|
|
} else if(swappedLength<(length-15)) {
|
|
/* swapped less than expected */
|
|
udata_printError(ds, "udata_swap() warning: swapped only %d out of %d bytes - data format %02x.%02x.%02x.%02x (\"%c%c%c%c\")\n",
|
|
swappedLength, length,
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
dataFormatChars[0], dataFormatChars[1],
|
|
dataFormatChars[2], dataFormatChars[3],
|
|
u_errorName(*pErrorCode));
|
|
}
|
|
|
|
return swappedLength;
|
|
}
|
|
}
|
|
|
|
/* the dataFormat was not recognized */
|
|
udata_printError(ds, "udata_swap(): unknown data format %02x.%02x.%02x.%02x (\"%c%c%c%c\")\n",
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
dataFormatChars[0], dataFormatChars[1],
|
|
dataFormatChars[2], dataFormatChars[3]);
|
|
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
return 0;
|
|
}
|