2017-01-20 00:20:31 +00:00
|
|
|
// © 2016 and later: Unicode, Inc. and others.
|
2016-06-15 18:58:17 +00:00
|
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
2003-09-12 02:46:15 +00:00
|
|
|
/*
|
|
|
|
*******************************************************************************
|
|
|
|
*
|
2016-05-31 21:45:07 +00:00
|
|
|
* Copyright (C) 2003-2015, International Business Machines
|
|
|
|
* Corporation and others. All Rights Reserved.
|
2003-09-12 02:46:15 +00:00
|
|
|
*
|
|
|
|
*******************************************************************************
|
2011-07-03 04:07:02 +00:00
|
|
|
* file name: ucol_swp.cpp
|
2017-02-03 18:57:23 +00:00
|
|
|
* encoding: UTF-8
|
2003-09-12 02:46:15 +00:00
|
|
|
* tab size: 8 (not used)
|
|
|
|
* indentation:4
|
|
|
|
*
|
|
|
|
* created on: 2003sep10
|
|
|
|
* created by: Markus W. Scherer
|
|
|
|
*
|
|
|
|
* Swap collation binaries.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "unicode/udata.h" /* UDataInfo */
|
|
|
|
#include "utrie.h"
|
2014-02-25 21:21:49 +00:00
|
|
|
#include "utrie2.h"
|
2003-09-12 02:46:15 +00:00
|
|
|
#include "udataswp.h"
|
2006-05-25 18:44:07 +00:00
|
|
|
#include "cmemory.h"
|
2011-07-03 04:07:02 +00:00
|
|
|
#include "ucol_data.h"
|
2003-09-12 02:46:15 +00:00
|
|
|
#include "ucol_swp.h"
|
|
|
|
|
2006-05-25 18:44:07 +00:00
|
|
|
/* swapping ----------------------------------------------------------------- */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This performs data swapping for a folded trie (see utrie.c for details).
|
|
|
|
*/
|
|
|
|
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
|
|
utrie_swap(const UDataSwapper *ds,
|
|
|
|
const void *inData, int32_t length, void *outData,
|
|
|
|
UErrorCode *pErrorCode) {
|
|
|
|
const UTrieHeader *inTrie;
|
|
|
|
UTrieHeader trie;
|
|
|
|
int32_t size;
|
|
|
|
UBool dataIs32;
|
|
|
|
|
|
|
|
if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if(ds==NULL || inData==NULL || (length>=0 && outData==NULL)) {
|
|
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* setup and swapping */
|
2010-05-25 22:17:12 +00:00
|
|
|
if(length>=0 && (uint32_t)length<sizeof(UTrieHeader)) {
|
2006-05-25 18:44:07 +00:00
|
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
inTrie=(const UTrieHeader *)inData;
|
|
|
|
trie.signature=ds->readUInt32(inTrie->signature);
|
|
|
|
trie.options=ds->readUInt32(inTrie->options);
|
|
|
|
trie.indexLength=udata_readInt32(ds, inTrie->indexLength);
|
|
|
|
trie.dataLength=udata_readInt32(ds, inTrie->dataLength);
|
|
|
|
|
|
|
|
if( trie.signature!=0x54726965 ||
|
|
|
|
(trie.options&UTRIE_OPTIONS_SHIFT_MASK)!=UTRIE_SHIFT ||
|
|
|
|
((trie.options>>UTRIE_OPTIONS_INDEX_SHIFT)&UTRIE_OPTIONS_SHIFT_MASK)!=UTRIE_INDEX_SHIFT ||
|
|
|
|
trie.indexLength<UTRIE_BMP_INDEX_LENGTH ||
|
|
|
|
(trie.indexLength&(UTRIE_SURROGATE_BLOCK_COUNT-1))!=0 ||
|
|
|
|
trie.dataLength<UTRIE_DATA_BLOCK_LENGTH ||
|
|
|
|
(trie.dataLength&(UTRIE_DATA_GRANULARITY-1))!=0 ||
|
|
|
|
((trie.options&UTRIE_OPTIONS_LATIN1_IS_LINEAR)!=0 && trie.dataLength<(UTRIE_DATA_BLOCK_LENGTH+0x100))
|
|
|
|
) {
|
|
|
|
*pErrorCode=U_INVALID_FORMAT_ERROR; /* not a UTrie */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
dataIs32=(UBool)((trie.options&UTRIE_OPTIONS_DATA_IS_32_BIT)!=0);
|
|
|
|
size=sizeof(UTrieHeader)+trie.indexLength*2+trie.dataLength*(dataIs32?4:2);
|
|
|
|
|
|
|
|
if(length>=0) {
|
|
|
|
UTrieHeader *outTrie;
|
|
|
|
|
|
|
|
if(length<size) {
|
|
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
outTrie=(UTrieHeader *)outData;
|
|
|
|
|
|
|
|
/* swap the header */
|
|
|
|
ds->swapArray32(ds, inTrie, sizeof(UTrieHeader), outTrie, pErrorCode);
|
|
|
|
|
|
|
|
/* swap the index and the data */
|
|
|
|
if(dataIs32) {
|
|
|
|
ds->swapArray16(ds, inTrie+1, trie.indexLength*2, outTrie+1, pErrorCode);
|
|
|
|
ds->swapArray32(ds, (const uint16_t *)(inTrie+1)+trie.indexLength, trie.dataLength*4,
|
|
|
|
(uint16_t *)(outTrie+1)+trie.indexLength, pErrorCode);
|
|
|
|
} else {
|
|
|
|
ds->swapArray16(ds, inTrie+1, (trie.indexLength+trie.dataLength)*2, outTrie+1, pErrorCode);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if !UCONFIG_NO_COLLATION
|
|
|
|
|
2009-07-17 22:57:26 +00:00
|
|
|
U_CAPI UBool U_EXPORT2
|
|
|
|
ucol_looksLikeCollationBinary(const UDataSwapper *ds,
|
|
|
|
const void *inData, int32_t length) {
|
|
|
|
if(ds==NULL || inData==NULL || length<-1) {
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2014-02-25 21:21:49 +00:00
|
|
|
// First check for format version 4+ which has a standard data header.
|
|
|
|
UErrorCode errorCode=U_ZERO_ERROR;
|
|
|
|
(void)udata_swapDataHeader(ds, inData, -1, NULL, &errorCode);
|
|
|
|
if(U_SUCCESS(errorCode)) {
|
|
|
|
const UDataInfo &info=*(const UDataInfo *)((const char *)inData+4);
|
|
|
|
if(info.dataFormat[0]==0x55 && // dataFormat="UCol"
|
|
|
|
info.dataFormat[1]==0x43 &&
|
|
|
|
info.dataFormat[2]==0x6f &&
|
|
|
|
info.dataFormat[3]==0x6c) {
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Else check for format version 3.
|
|
|
|
const UCATableHeader *inHeader=(const UCATableHeader *)inData;
|
2009-07-17 22:57:26 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* The collation binary must contain at least the UCATableHeader,
|
|
|
|
* starting with its size field.
|
|
|
|
* sizeof(UCATableHeader)==42*4 in ICU 2.8
|
|
|
|
* check the length against the header size before reading the size field
|
|
|
|
*/
|
2014-02-25 21:21:49 +00:00
|
|
|
UCATableHeader header;
|
2010-06-08 21:13:54 +00:00
|
|
|
uprv_memset(&header, 0, sizeof(header));
|
2009-07-17 22:57:26 +00:00
|
|
|
if(length<0) {
|
|
|
|
header.size=udata_readInt32(ds, inHeader->size);
|
|
|
|
} else if((length<(42*4) || length<(header.size=udata_readInt32(ds, inHeader->size)))) {
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
header.magic=ds->readUInt32(inHeader->magic);
|
|
|
|
if(!(
|
|
|
|
header.magic==UCOL_HEADER_MAGIC &&
|
2010-11-04 20:12:39 +00:00
|
|
|
inHeader->formatVersion[0]==3 /*&&
|
|
|
|
inHeader->formatVersion[1]>=0*/
|
2009-07-17 22:57:26 +00:00
|
|
|
)) {
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(inHeader->isBigEndian!=ds->inIsBigEndian || inHeader->charSetFamily!=ds->inCharset) {
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2014-02-25 21:21:49 +00:00
|
|
|
namespace {
|
|
|
|
|
|
|
|
/* swap a header-less collation formatVersion=3 binary, inside a resource bundle or ucadata.icu */
|
|
|
|
int32_t
|
|
|
|
swapFormatVersion3(const UDataSwapper *ds,
|
|
|
|
const void *inData, int32_t length, void *outData,
|
|
|
|
UErrorCode *pErrorCode) {
|
2003-09-12 02:46:15 +00:00
|
|
|
const uint8_t *inBytes;
|
|
|
|
uint8_t *outBytes;
|
|
|
|
|
|
|
|
const UCATableHeader *inHeader;
|
|
|
|
UCATableHeader *outHeader;
|
2010-06-08 21:45:43 +00:00
|
|
|
UCATableHeader header;
|
2003-09-12 02:46:15 +00:00
|
|
|
|
|
|
|
uint32_t count;
|
|
|
|
|
2003-09-12 18:49:09 +00:00
|
|
|
/* argument checking in case we were not called from ucol_swap() */
|
2014-02-25 21:21:49 +00:00
|
|
|
if(U_FAILURE(*pErrorCode)) {
|
2003-09-12 02:46:15 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if(ds==NULL || inData==NULL || length<-1 || (length>0 && outData==NULL)) {
|
|
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
inBytes=(const uint8_t *)inData;
|
|
|
|
outBytes=(uint8_t *)outData;
|
|
|
|
|
|
|
|
inHeader=(const UCATableHeader *)inData;
|
|
|
|
outHeader=(UCATableHeader *)outData;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The collation binary must contain at least the UCATableHeader,
|
|
|
|
* starting with its size field.
|
|
|
|
* sizeof(UCATableHeader)==42*4 in ICU 2.8
|
2003-09-12 18:49:09 +00:00
|
|
|
* check the length against the header size before reading the size field
|
2003-09-12 02:46:15 +00:00
|
|
|
*/
|
2010-06-08 21:45:43 +00:00
|
|
|
uprv_memset(&header, 0, sizeof(header));
|
2003-09-16 00:29:59 +00:00
|
|
|
if(length<0) {
|
|
|
|
header.size=udata_readInt32(ds, inHeader->size);
|
|
|
|
} else if((length<(42*4) || length<(header.size=udata_readInt32(ds, inHeader->size)))) {
|
2014-02-25 21:21:49 +00:00
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=3): too few bytes (%d after header) for collation data\n",
|
2003-09-12 02:46:15 +00:00
|
|
|
length);
|
|
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
header.magic=ds->readUInt32(inHeader->magic);
|
|
|
|
if(!(
|
|
|
|
header.magic==UCOL_HEADER_MAGIC &&
|
2010-11-04 20:12:39 +00:00
|
|
|
inHeader->formatVersion[0]==3 /*&&
|
|
|
|
inHeader->formatVersion[1]>=0*/
|
2003-09-12 02:46:15 +00:00
|
|
|
)) {
|
2014-02-25 21:21:49 +00:00
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=3): magic 0x%08x or format version %02x.%02x is not a collation binary\n",
|
2003-09-12 02:46:15 +00:00
|
|
|
header.magic,
|
|
|
|
inHeader->formatVersion[0], inHeader->formatVersion[1]);
|
|
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(inHeader->isBigEndian!=ds->inIsBigEndian || inHeader->charSetFamily!=ds->inCharset) {
|
2014-02-25 21:21:49 +00:00
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=3): endianness %d or charset %d does not match the swapper\n",
|
2003-09-12 02:46:15 +00:00
|
|
|
inHeader->isBigEndian, inHeader->charSetFamily);
|
|
|
|
*pErrorCode=U_INVALID_FORMAT_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(length>=0) {
|
|
|
|
/* copy everything, takes care of data that needs no swapping */
|
|
|
|
if(inBytes!=outBytes) {
|
|
|
|
uprv_memcpy(outBytes, inBytes, header.size);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* swap the necessary pieces in the order of their occurrence in the data */
|
|
|
|
|
|
|
|
/* read more of the UCATableHeader (the size field was read above) */
|
|
|
|
header.options= ds->readUInt32(inHeader->options);
|
|
|
|
header.UCAConsts= ds->readUInt32(inHeader->UCAConsts);
|
|
|
|
header.contractionUCACombos= ds->readUInt32(inHeader->contractionUCACombos);
|
|
|
|
header.mappingPosition= ds->readUInt32(inHeader->mappingPosition);
|
|
|
|
header.expansion= ds->readUInt32(inHeader->expansion);
|
|
|
|
header.contractionIndex= ds->readUInt32(inHeader->contractionIndex);
|
|
|
|
header.contractionCEs= ds->readUInt32(inHeader->contractionCEs);
|
|
|
|
header.contractionSize= ds->readUInt32(inHeader->contractionSize);
|
|
|
|
header.endExpansionCE= ds->readUInt32(inHeader->endExpansionCE);
|
|
|
|
header.expansionCESize= ds->readUInt32(inHeader->expansionCESize);
|
|
|
|
header.endExpansionCECount= udata_readInt32(ds, inHeader->endExpansionCECount);
|
|
|
|
header.contractionUCACombosSize=udata_readInt32(ds, inHeader->contractionUCACombosSize);
|
2010-10-27 18:02:52 +00:00
|
|
|
header.scriptToLeadByte= ds->readUInt32(inHeader->scriptToLeadByte);
|
|
|
|
header.leadByteToScript= ds->readUInt32(inHeader->leadByteToScript);
|
|
|
|
|
2003-09-12 02:46:15 +00:00
|
|
|
/* swap the 32-bit integers in the header */
|
|
|
|
ds->swapArray32(ds, inHeader, (int32_t)((const char *)&inHeader->jamoSpecial-(const char *)inHeader),
|
|
|
|
outHeader, pErrorCode);
|
2010-10-27 18:02:52 +00:00
|
|
|
ds->swapArray32(ds, &(inHeader->scriptToLeadByte), sizeof(header.scriptToLeadByte) + sizeof(header.leadByteToScript),
|
|
|
|
&(outHeader->scriptToLeadByte), pErrorCode);
|
2003-09-12 02:46:15 +00:00
|
|
|
/* set the output platform properties */
|
|
|
|
outHeader->isBigEndian=ds->outIsBigEndian;
|
|
|
|
outHeader->charSetFamily=ds->outCharset;
|
|
|
|
|
|
|
|
/* swap the options */
|
2003-09-18 23:19:27 +00:00
|
|
|
if(header.options!=0) {
|
|
|
|
ds->swapArray32(ds, inBytes+header.options, header.expansion-header.options,
|
|
|
|
outBytes+header.options, pErrorCode);
|
|
|
|
}
|
2003-09-12 02:46:15 +00:00
|
|
|
|
|
|
|
/* swap the expansions */
|
2003-09-18 23:19:27 +00:00
|
|
|
if(header.mappingPosition!=0 && header.expansion!=0) {
|
|
|
|
if(header.contractionIndex!=0) {
|
|
|
|
/* expansions bounded by contractions */
|
|
|
|
count=header.contractionIndex-header.expansion;
|
|
|
|
} else {
|
|
|
|
/* no contractions: expansions bounded by the main trie */
|
|
|
|
count=header.mappingPosition-header.expansion;
|
|
|
|
}
|
|
|
|
ds->swapArray32(ds, inBytes+header.expansion, (int32_t)count,
|
|
|
|
outBytes+header.expansion, pErrorCode);
|
2003-09-12 02:46:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* swap the contractions */
|
2003-09-18 23:19:27 +00:00
|
|
|
if(header.contractionSize!=0) {
|
2003-09-12 02:46:15 +00:00
|
|
|
/* contractionIndex: UChar[] */
|
|
|
|
ds->swapArray16(ds, inBytes+header.contractionIndex, header.contractionSize*2,
|
|
|
|
outBytes+header.contractionIndex, pErrorCode);
|
|
|
|
|
|
|
|
/* contractionCEs: CEs[] */
|
|
|
|
ds->swapArray32(ds, inBytes+header.contractionCEs, header.contractionSize*4,
|
|
|
|
outBytes+header.contractionCEs, pErrorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* swap the main trie */
|
2003-09-18 23:19:27 +00:00
|
|
|
if(header.mappingPosition!=0) {
|
|
|
|
count=header.endExpansionCE-header.mappingPosition;
|
|
|
|
utrie_swap(ds, inBytes+header.mappingPosition, (int32_t)count,
|
|
|
|
outBytes+header.mappingPosition, pErrorCode);
|
|
|
|
}
|
2003-09-12 02:46:15 +00:00
|
|
|
|
|
|
|
/* swap the max expansion table */
|
2003-09-18 23:19:27 +00:00
|
|
|
if(header.endExpansionCECount!=0) {
|
|
|
|
ds->swapArray32(ds, inBytes+header.endExpansionCE, header.endExpansionCECount*4,
|
|
|
|
outBytes+header.endExpansionCE, pErrorCode);
|
|
|
|
}
|
2003-09-12 02:46:15 +00:00
|
|
|
|
|
|
|
/* expansionCESize, unsafeCP, contrEndCP: uint8_t[], no need to swap */
|
|
|
|
|
|
|
|
/* swap UCA constants */
|
|
|
|
if(header.UCAConsts!=0) {
|
|
|
|
/*
|
|
|
|
* if UCAConsts!=0 then contractionUCACombos because we are swapping
|
|
|
|
* the UCA data file, and we know that the UCA contains contractions
|
|
|
|
*/
|
|
|
|
ds->swapArray32(ds, inBytes+header.UCAConsts, header.contractionUCACombos-header.UCAConsts,
|
|
|
|
outBytes+header.UCAConsts, pErrorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* swap UCA contractions */
|
|
|
|
if(header.contractionUCACombosSize!=0) {
|
|
|
|
count=header.contractionUCACombosSize*inHeader->contractionUCACombosWidth*U_SIZEOF_UCHAR;
|
|
|
|
ds->swapArray16(ds, inBytes+header.contractionUCACombos, (int32_t)count,
|
|
|
|
outBytes+header.contractionUCACombos, pErrorCode);
|
|
|
|
}
|
2010-10-27 18:02:52 +00:00
|
|
|
|
|
|
|
/* swap the script to lead bytes */
|
|
|
|
if(header.scriptToLeadByte!=0) {
|
2010-11-02 18:59:06 +00:00
|
|
|
int indexCount = ds->readUInt16(*((uint16_t*)(inBytes+header.scriptToLeadByte))); // each entry = 2 * uint16
|
|
|
|
int dataCount = ds->readUInt16(*((uint16_t*)(inBytes+header.scriptToLeadByte + 2))); // each entry = uint16
|
2010-10-27 18:02:52 +00:00
|
|
|
ds->swapArray16(ds, inBytes+header.scriptToLeadByte,
|
2010-11-02 18:59:06 +00:00
|
|
|
4 + (4 * indexCount) + (2 * dataCount),
|
2010-10-27 18:02:52 +00:00
|
|
|
outBytes+header.scriptToLeadByte, pErrorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* swap the lead byte to scripts */
|
|
|
|
if(header.leadByteToScript!=0) {
|
2010-11-02 18:59:06 +00:00
|
|
|
int indexCount = ds->readUInt16(*((uint16_t*)(inBytes+header.leadByteToScript))); // each entry = uint16
|
|
|
|
int dataCount = ds->readUInt16(*((uint16_t*)(inBytes+header.leadByteToScript + 2))); // each entry = uint16
|
2010-10-27 18:02:52 +00:00
|
|
|
ds->swapArray16(ds, inBytes+header.leadByteToScript,
|
2010-11-02 18:59:06 +00:00
|
|
|
4 + (2 * indexCount) + (2 * dataCount),
|
2010-10-27 18:02:52 +00:00
|
|
|
outBytes+header.leadByteToScript, pErrorCode);
|
|
|
|
}
|
2003-09-12 02:46:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return header.size;
|
|
|
|
}
|
|
|
|
|
2015-01-07 03:37:11 +00:00
|
|
|
// swap formatVersion 4 or 5 ----------------------------------------------- ***
|
2014-02-25 21:21:49 +00:00
|
|
|
|
|
|
|
// The following are copied from CollationDataReader, trading an awkward copy of constants
|
|
|
|
// for an awkward relocation of the i18n collationdatareader.h file into the common library.
|
|
|
|
// Keep them in sync!
|
|
|
|
|
|
|
|
enum {
|
|
|
|
IX_INDEXES_LENGTH, // 0
|
|
|
|
IX_OPTIONS,
|
|
|
|
IX_RESERVED2,
|
|
|
|
IX_RESERVED3,
|
|
|
|
|
|
|
|
IX_JAMO_CE32S_START, // 4
|
|
|
|
IX_REORDER_CODES_OFFSET,
|
|
|
|
IX_REORDER_TABLE_OFFSET,
|
|
|
|
IX_TRIE_OFFSET,
|
|
|
|
|
|
|
|
IX_RESERVED8_OFFSET, // 8
|
|
|
|
IX_CES_OFFSET,
|
|
|
|
IX_RESERVED10_OFFSET,
|
|
|
|
IX_CE32S_OFFSET,
|
|
|
|
|
|
|
|
IX_ROOT_ELEMENTS_OFFSET, // 12
|
|
|
|
IX_CONTEXTS_OFFSET,
|
|
|
|
IX_UNSAFE_BWD_OFFSET,
|
|
|
|
IX_FAST_LATIN_TABLE_OFFSET,
|
|
|
|
|
|
|
|
IX_SCRIPTS_OFFSET, // 16
|
|
|
|
IX_COMPRESSIBLE_BYTES_OFFSET,
|
|
|
|
IX_RESERVED18_OFFSET,
|
|
|
|
IX_TOTAL_SIZE
|
|
|
|
};
|
|
|
|
|
|
|
|
int32_t
|
|
|
|
swapFormatVersion4(const UDataSwapper *ds,
|
|
|
|
const void *inData, int32_t length, void *outData,
|
|
|
|
UErrorCode &errorCode) {
|
|
|
|
if(U_FAILURE(errorCode)) { return 0; }
|
|
|
|
|
|
|
|
const uint8_t *inBytes=(const uint8_t *)inData;
|
|
|
|
uint8_t *outBytes=(uint8_t *)outData;
|
|
|
|
|
|
|
|
const int32_t *inIndexes=(const int32_t *)inBytes;
|
|
|
|
int32_t indexes[IX_TOTAL_SIZE+1];
|
|
|
|
|
|
|
|
// Need at least IX_INDEXES_LENGTH and IX_OPTIONS.
|
|
|
|
if(0<=length && length<8) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): too few bytes "
|
|
|
|
"(%d after header) for collation data\n",
|
|
|
|
length);
|
|
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int32_t indexesLength=indexes[0]=udata_readInt32(ds, inIndexes[0]);
|
|
|
|
if(0<=length && length<(indexesLength*4)) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): too few bytes "
|
|
|
|
"(%d after header) for collation data\n",
|
|
|
|
length);
|
|
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
for(int32_t i=1; i<=IX_TOTAL_SIZE && i<indexesLength; ++i) {
|
|
|
|
indexes[i]=udata_readInt32(ds, inIndexes[i]);
|
|
|
|
}
|
|
|
|
for(int32_t i=indexesLength; i<=IX_TOTAL_SIZE; ++i) {
|
|
|
|
indexes[i]=-1;
|
|
|
|
}
|
|
|
|
inIndexes=NULL; // Make sure we do not accidentally use these instead of indexes[].
|
|
|
|
|
|
|
|
// Get the total length of the data.
|
|
|
|
int32_t size;
|
|
|
|
if(indexesLength>IX_TOTAL_SIZE) {
|
|
|
|
size=indexes[IX_TOTAL_SIZE];
|
|
|
|
} else if(indexesLength>IX_REORDER_CODES_OFFSET) {
|
|
|
|
size=indexes[indexesLength-1];
|
|
|
|
} else {
|
|
|
|
size=indexesLength*4;
|
|
|
|
}
|
|
|
|
if(length<0) { return size; }
|
|
|
|
|
|
|
|
if(length<size) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): too few bytes "
|
|
|
|
"(%d after header) for collation data\n",
|
|
|
|
length);
|
|
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Copy the data for inaccessible bytes and arrays of bytes.
|
|
|
|
if(inBytes!=outBytes) {
|
|
|
|
uprv_memcpy(outBytes, inBytes, size);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Swap the int32_t indexes[].
|
|
|
|
ds->swapArray32(ds, inBytes, indexesLength * 4, outBytes, &errorCode);
|
|
|
|
|
|
|
|
// The following is a modified version of CollationDataReader::read().
|
|
|
|
// Here we use indexes[] not inIndexes[] because
|
|
|
|
// the inIndexes[] may not be in this machine's endianness.
|
|
|
|
int32_t index; // one of the indexes[] slots
|
|
|
|
int32_t offset; // byte offset for the index part
|
|
|
|
// int32_t length; // number of bytes in the index part
|
|
|
|
|
|
|
|
index = IX_REORDER_CODES_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray32(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Skip the IX_REORDER_TABLE_OFFSET byte array.
|
|
|
|
|
|
|
|
index = IX_TRIE_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
utrie2_swap(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_RESERVED8_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): unknown data at IX_RESERVED8_OFFSET\n", length);
|
|
|
|
errorCode = U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_CES_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray64(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_RESERVED10_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): unknown data at IX_RESERVED10_OFFSET\n", length);
|
|
|
|
errorCode = U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_CE32S_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray32(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_ROOT_ELEMENTS_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray32(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_CONTEXTS_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray16(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_UNSAFE_BWD_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray16(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_FAST_LATIN_TABLE_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray16(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
index = IX_SCRIPTS_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
ds->swapArray16(ds, inBytes + offset, length, outBytes + offset, &errorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Skip the IX_COMPRESSIBLE_BYTES_OFFSET byte array.
|
|
|
|
|
|
|
|
index = IX_RESERVED18_OFFSET;
|
|
|
|
offset = indexes[index];
|
|
|
|
length = indexes[index + 1] - offset;
|
|
|
|
if(length > 0) {
|
|
|
|
udata_printError(ds, "ucol_swap(formatVersion=4): unknown data at IX_RESERVED18_OFFSET\n", length);
|
|
|
|
errorCode = U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
} // namespace
|
|
|
|
|
2003-09-12 02:46:15 +00:00
|
|
|
/* swap ICU collation data like ucadata.icu */
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
|
|
ucol_swap(const UDataSwapper *ds,
|
|
|
|
const void *inData, int32_t length, void *outData,
|
|
|
|
UErrorCode *pErrorCode) {
|
2014-02-25 21:21:49 +00:00
|
|
|
if(U_FAILURE(*pErrorCode)) { return 0; }
|
2003-09-12 02:46:15 +00:00
|
|
|
|
|
|
|
/* udata_swapDataHeader checks the arguments */
|
2014-02-25 21:21:49 +00:00
|
|
|
int32_t headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode);
|
|
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
|
|
// Try to swap the old format version which did not have a standard data header.
|
|
|
|
*pErrorCode=U_ZERO_ERROR;
|
|
|
|
return swapFormatVersion3(ds, inData, length, outData, pErrorCode);
|
2003-09-12 02:46:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* check data format and format version */
|
2014-02-25 21:21:49 +00:00
|
|
|
const UDataInfo &info=*(const UDataInfo *)((const char *)inData+4);
|
2003-09-12 02:46:15 +00:00
|
|
|
if(!(
|
2014-02-25 21:21:49 +00:00
|
|
|
info.dataFormat[0]==0x55 && // dataFormat="UCol"
|
|
|
|
info.dataFormat[1]==0x43 &&
|
|
|
|
info.dataFormat[2]==0x6f &&
|
|
|
|
info.dataFormat[3]==0x6c &&
|
2015-01-07 03:37:11 +00:00
|
|
|
(3<=info.formatVersion[0] && info.formatVersion[0]<=5)
|
2003-09-12 02:46:15 +00:00
|
|
|
)) {
|
2014-02-25 21:21:49 +00:00
|
|
|
udata_printError(ds, "ucol_swap(): data format %02x.%02x.%02x.%02x "
|
|
|
|
"(format version %02x.%02x) is not recognized as collation data\n",
|
|
|
|
info.dataFormat[0], info.dataFormat[1],
|
|
|
|
info.dataFormat[2], info.dataFormat[3],
|
|
|
|
info.formatVersion[0], info.formatVersion[1]);
|
2003-09-12 02:46:15 +00:00
|
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-02-25 21:21:49 +00:00
|
|
|
inData=(const char *)inData+headerSize;
|
|
|
|
if(length>=0) { length-=headerSize; }
|
|
|
|
outData=(char *)outData+headerSize;
|
|
|
|
int32_t collationSize;
|
|
|
|
if(info.formatVersion[0]>=4) {
|
|
|
|
collationSize=swapFormatVersion4(ds, inData, length, outData, *pErrorCode);
|
|
|
|
} else {
|
|
|
|
collationSize=swapFormatVersion3(ds, inData, length, outData, pErrorCode);
|
|
|
|
}
|
2003-09-12 02:46:15 +00:00
|
|
|
if(U_SUCCESS(*pErrorCode)) {
|
|
|
|
return headerSize+collationSize;
|
|
|
|
} else {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
2003-09-12 18:49:09 +00:00
|
|
|
|
|
|
|
/* swap inverse UCA collation data (invuca.icu) */
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
|
|
ucol_swapInverseUCA(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 InverseUCATableHeader *inHeader;
|
|
|
|
InverseUCATableHeader *outHeader;
|
2010-05-25 22:17:12 +00:00
|
|
|
InverseUCATableHeader header={ 0,0,0,0,0,{0,0,0,0},{0,0,0,0,0,0,0,0} };
|
2003-09-12 18:49:09 +00:00
|
|
|
|
|
|
|
/* 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]==0x49 && /* dataFormat="InvC" */
|
|
|
|
pInfo->dataFormat[1]==0x6e &&
|
|
|
|
pInfo->dataFormat[2]==0x76 &&
|
|
|
|
pInfo->dataFormat[3]==0x43 &&
|
|
|
|
pInfo->formatVersion[0]==2 &&
|
|
|
|
pInfo->formatVersion[1]>=1
|
|
|
|
)) {
|
|
|
|
udata_printError(ds, "ucol_swapInverseUCA(): data format %02x.%02x.%02x.%02x (format version %02x.%02x) is not an inverse UCA collation file\n",
|
|
|
|
pInfo->dataFormat[0], pInfo->dataFormat[1],
|
|
|
|
pInfo->dataFormat[2], pInfo->dataFormat[3],
|
|
|
|
pInfo->formatVersion[0], pInfo->formatVersion[1]);
|
|
|
|
*pErrorCode=U_UNSUPPORTED_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
inBytes=(const uint8_t *)inData+headerSize;
|
|
|
|
outBytes=(uint8_t *)outData+headerSize;
|
|
|
|
|
|
|
|
inHeader=(const InverseUCATableHeader *)inBytes;
|
|
|
|
outHeader=(InverseUCATableHeader *)outBytes;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The inverse UCA collation binary must contain at least the InverseUCATableHeader,
|
|
|
|
* starting with its size field.
|
|
|
|
* sizeof(UCATableHeader)==8*4 in ICU 2.8
|
|
|
|
* check the length against the header size before reading the size field
|
|
|
|
*/
|
2003-09-16 00:29:59 +00:00
|
|
|
if(length<0) {
|
|
|
|
header.byteSize=udata_readInt32(ds, inHeader->byteSize);
|
|
|
|
} else if(
|
2003-09-12 18:49:09 +00:00
|
|
|
((length-headerSize)<(8*4) ||
|
|
|
|
(uint32_t)(length-headerSize)<(header.byteSize=udata_readInt32(ds, inHeader->byteSize)))
|
|
|
|
) {
|
|
|
|
udata_printError(ds, "ucol_swapInverseUCA(): too few bytes (%d after header) for inverse UCA collation data\n",
|
|
|
|
length);
|
|
|
|
*pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(length>=0) {
|
|
|
|
/* copy everything, takes care of data that needs no swapping */
|
|
|
|
if(inBytes!=outBytes) {
|
|
|
|
uprv_memcpy(outBytes, inBytes, header.byteSize);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* swap the necessary pieces in the order of their occurrence in the data */
|
|
|
|
|
|
|
|
/* read more of the InverseUCATableHeader (the byteSize field was read above) */
|
|
|
|
header.tableSize= ds->readUInt32(inHeader->tableSize);
|
|
|
|
header.contsSize= ds->readUInt32(inHeader->contsSize);
|
|
|
|
header.table= ds->readUInt32(inHeader->table);
|
|
|
|
header.conts= ds->readUInt32(inHeader->conts);
|
|
|
|
|
|
|
|
/* swap the 32-bit integers in the header */
|
|
|
|
ds->swapArray32(ds, inHeader, 5*4, outHeader, pErrorCode);
|
|
|
|
|
|
|
|
/* swap the inverse table; tableSize counts uint32_t[3] rows */
|
|
|
|
ds->swapArray32(ds, inBytes+header.table, header.tableSize*3*4,
|
|
|
|
outBytes+header.table, pErrorCode);
|
|
|
|
|
|
|
|
/* swap the continuation table; contsSize counts UChars */
|
|
|
|
ds->swapArray16(ds, inBytes+header.conts, header.contsSize*U_SIZEOF_UCHAR,
|
|
|
|
outBytes+header.conts, pErrorCode);
|
|
|
|
}
|
|
|
|
|
|
|
|
return headerSize+header.byteSize;
|
|
|
|
}
|
2003-09-16 00:49:06 +00:00
|
|
|
|
|
|
|
#endif /* #if !UCONFIG_NO_COLLATION */
|