788 lines
23 KiB
C
788 lines
23 KiB
C
/*
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**********************************************************************
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* Copyright (C) 2002, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* file name: ucnv_u16.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: 2002jul01
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* created by: Markus W. Scherer
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*
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* UTF-16 converter implementation. Used to be in ucnv_utf.c.
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*/
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#include "unicode/utypes.h"
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#include "unicode/ucnv.h"
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#include "unicode/ucnv_err.h"
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#include "ucnv_bld.h"
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#include "ucnv_cnv.h"
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#include "cmemory.h"
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/* UTF-16 Platform Endian --------------------------------------------------- */
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static void
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_UTF16PEToUnicodeWithOffsets(UConverterToUnicodeArgs *pArgs,
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UErrorCode *pErrorCode) {
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UConverter *cnv = pArgs->converter;
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const uint8_t *source = (const uint8_t *)pArgs->source;
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UChar *target = pArgs->target;
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int32_t *offsets = pArgs->offsets;
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int32_t targetCapacity = pArgs->targetLimit - pArgs->target;
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int32_t length = (const uint8_t *)pArgs->sourceLimit - source;
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int32_t count;
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int32_t sourceIndex = 0;
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if(length <= 0 && cnv->toUnicodeStatus == 0) {
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/* no input, nothing to do */
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return;
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}
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if(targetCapacity <= 0) {
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*pErrorCode=U_BUFFER_OVERFLOW_ERROR;
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return;
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}
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/* complete a partial UChar from the last call */
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if(length != 0 && cnv->toUnicodeStatus != 0) {
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/*
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* copy the byte from the last call and the first one here into the target,
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* byte-wise to keep the platform endianness
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*/
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uint8_t *p = (uint8_t *)target++;
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*p++ = (uint8_t)cnv->toUnicodeStatus;
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cnv->toUnicodeStatus = 0;
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*p = *source++;
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--length;
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--targetCapacity;
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if(offsets != NULL) {
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*offsets++ = -1;
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}
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}
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/* copy an even number of bytes for complete UChars */
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count = 2 * targetCapacity;
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if(count > length) {
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count = length & ~1;
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}
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if(count > 0) {
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uprv_memcpy(target, source, count);
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source += count;
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length -= count;
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count >>= 1;
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target += count;
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targetCapacity -= count;
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if(offsets != NULL) {
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while(count > 0) {
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*offsets++ = sourceIndex;
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sourceIndex += 2;
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--count;
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}
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}
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}
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/* check for a remaining source byte and store the status */
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if(length >= 2) {
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/* it must be targetCapacity==0 because otherwise the above would have copied more */
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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} else if(length == 1) {
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if(pArgs->flush) {
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/* a UChar remains incomplete */
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*pErrorCode = U_TRUNCATED_CHAR_FOUND;
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} else {
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/* consume the last byte and store it, making sure that it will never set the status to 0 */
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cnv->toUnicodeStatus = *source++ | 0x100;
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}
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} else /* length==0 */ if(cnv->toUnicodeStatus!=0 && pArgs->flush) {
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/* a UChar remains incomplete */
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*pErrorCode = U_TRUNCATED_CHAR_FOUND;
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}
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/* write back the updated pointers */
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pArgs->source = (const char *)source;
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pArgs->target = target;
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pArgs->offsets = offsets;
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}
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static void
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_UTF16PEFromUnicodeWithOffsets(UConverterFromUnicodeArgs *pArgs,
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UErrorCode *pErrorCode) {
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UConverter *cnv = pArgs->converter;
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const UChar *source = pArgs->source;
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uint8_t *target = (uint8_t *)pArgs->target;
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int32_t *offsets = pArgs->offsets;
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int32_t targetCapacity = pArgs->targetLimit - pArgs->target;
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int32_t length = pArgs->sourceLimit - source;
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int32_t count;
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int32_t sourceIndex = 0;
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if(length <= 0 && cnv->fromUnicodeStatus == 0) {
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/* no input, nothing to do */
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return;
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}
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if(targetCapacity <= 0) {
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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return;
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}
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/* complete a partial UChar from the last call */
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if(cnv->fromUnicodeStatus != 0) {
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*target++ = (uint8_t)cnv->fromUnicodeStatus;
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cnv->fromUnicodeStatus = 0;
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--targetCapacity;
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if(offsets != NULL) {
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*offsets++ = -1;
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}
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}
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/* copy an even number of bytes for complete UChars */
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count = 2 * length;
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if(count > targetCapacity) {
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count = targetCapacity & ~1;
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}
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if(count>0) {
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uprv_memcpy(target, source, count);
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target += count;
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targetCapacity -= count;
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count >>= 1;
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source += count;
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length -= count;
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if(offsets != NULL) {
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while(count > 0) {
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*offsets++ = sourceIndex;
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*offsets++ = sourceIndex++;
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--count;
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}
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}
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}
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if(length > 0) {
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/* it must be targetCapacity<=1 because otherwise the above would have copied more */
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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if(targetCapacity > 0) /* targetCapacity==1 */ {
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/* copy one byte and keep the other in the status */
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const uint8_t *p = (const uint8_t *)source++;
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*target++ = *p++;
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cnv->fromUnicodeStatus = *p | 0x100;
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if(offsets != NULL) {
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*offsets++ = sourceIndex;
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}
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}
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}
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/* write back the updated pointers */
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pArgs->source = source;
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pArgs->target = (char *)target;
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pArgs->offsets = offsets;
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}
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/* UTF-16 Opposite Endian --------------------------------------------------- */
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/*
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* For opposite-endian UTF-16, we keep a byte pointer to the UChars
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* and copy two bytes at a time and reverse them.
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*/
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static void
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_UTF16OEToUnicodeWithOffsets(UConverterToUnicodeArgs *pArgs,
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UErrorCode *pErrorCode) {
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UConverter *cnv = pArgs->converter;
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const uint8_t *source = (const uint8_t *)pArgs->source;
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UChar *target = pArgs->target;
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uint8_t *target8 = (uint8_t *)target; /* byte pointer to the target */
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int32_t *offsets = pArgs->offsets;
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int32_t targetCapacity = pArgs->targetLimit - pArgs->target;
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int32_t length = (const uint8_t *)pArgs->sourceLimit - source;
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int32_t count;
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int32_t sourceIndex = 0;
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if(length <= 0 && cnv->toUnicodeStatus == 0) {
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/* no input, nothing to do */
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return;
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}
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if(targetCapacity <= 0) {
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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return;
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}
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/* complete a partial UChar from the last call */
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if(length != 0 && cnv->toUnicodeStatus != 0) {
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/*
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* copy the byte from the last call and the first one here into the target,
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* byte-wise, reversing the platform endianness
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*/
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*target8++ = *source++;
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*target8++ = (uint8_t)cnv->toUnicodeStatus;
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cnv->toUnicodeStatus = 0;
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++target;
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--length;
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--targetCapacity;
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if(offsets != NULL) {
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*offsets++ = -1;
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}
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}
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/* copy an even number of bytes for complete UChars */
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count = 2 * targetCapacity;
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if(count > length) {
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count = length & ~1;
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}
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if(count>0) {
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length -= count;
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count >>= 1;
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targetCapacity -= count;
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if(offsets == NULL) {
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while(count > 0) {
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target8[1] = *source++;
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target8[0] = *source++;
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target8 += 2;
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--count;
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}
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} else {
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while(count>0) {
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target8[1] = *source++;
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target8[0] = *source++;
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target8 += 2;
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*offsets++ = sourceIndex;
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sourceIndex += 2;
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--count;
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}
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}
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target=(UChar *)target8;
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}
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/* check for a remaining source byte and store the status */
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if(length >= 2) {
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/* it must be targetCapacity==0 because otherwise the above would have copied more */
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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} else if(length == 1) {
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if(pArgs->flush) {
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/* a UChar remains incomplete */
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*pErrorCode = U_TRUNCATED_CHAR_FOUND;
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} else {
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/* consume the last byte and store it, making sure that it will never set the status to 0 */
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cnv->toUnicodeStatus = *source++ | 0x100;
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}
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} else /* length==0 */ if(cnv->toUnicodeStatus!=0 && pArgs->flush) {
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/* a UChar remains incomplete */
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*pErrorCode = U_TRUNCATED_CHAR_FOUND;
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}
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/* write back the updated pointers */
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pArgs->source = (const char *)source;
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pArgs->target = target;
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pArgs->offsets = offsets;
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}
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static void
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_UTF16OEFromUnicodeWithOffsets(UConverterFromUnicodeArgs *pArgs,
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UErrorCode *pErrorCode) {
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UConverter *cnv = pArgs->converter;
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const UChar *source = pArgs->source;
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const uint8_t *source8 = (const uint8_t *)source; /* byte pointer to the source */
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uint8_t *target = (uint8_t *)pArgs->target;
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int32_t *offsets = pArgs->offsets;
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int32_t targetCapacity = pArgs->targetLimit - pArgs->target;
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int32_t length = pArgs->sourceLimit - source;
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int32_t count;
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int32_t sourceIndex = 0;
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if(length <= 0 && cnv->fromUnicodeStatus == 0) {
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/* no input, nothing to do */
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return;
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}
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if(targetCapacity <= 0) {
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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return;
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}
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/* complete a partial UChar from the last call */
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if(cnv->fromUnicodeStatus != 0) {
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*target++ = (uint8_t)cnv->fromUnicodeStatus;
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cnv->fromUnicodeStatus = 0;
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--targetCapacity;
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if(offsets != NULL) {
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*offsets++ = -1;
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}
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}
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/* copy an even number of bytes for complete UChars */
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count = 2 * length;
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if(count > targetCapacity) {
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count = targetCapacity & ~1;
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}
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if(count > 0) {
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targetCapacity -= count;
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count >>= 1;
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length -= count;
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if(offsets == NULL) {
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while(count > 0) {
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target[1] = *source8++;
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target[0] = *source8++;
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target += 2;
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--count;
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}
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} else {
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while(count>0) {
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target[1] = *source8++;
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target[0] = *source8++;
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target += 2;
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*offsets++ = sourceIndex;
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*offsets++ = sourceIndex++;
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--count;
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}
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}
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source=(const UChar *)source8;
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}
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if(length > 0) {
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/* it must be targetCapacity<=1 because otherwise the above would have copied more */
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*pErrorCode = U_BUFFER_OVERFLOW_ERROR;
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if(targetCapacity > 0) /* targetCapacity==1 */ {
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/* copy one byte and keep the other in the status */
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cnv->fromUnicodeStatus = *source8++ | 0x100;
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*target++ = *source8;
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++source;
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if(offsets != NULL) {
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*offsets++ = sourceIndex;
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}
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}
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}
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/* write back the updated pointers */
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pArgs->source = source;
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pArgs->target = (char *)target;
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pArgs->offsets = offsets;
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}
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/* UTF-16BE ----------------------------------------------------------------- */
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#if U_IS_BIG_ENDIAN
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# define _UTF16BEToUnicodeWithOffsets _UTF16PEToUnicodeWithOffsets
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# define _UTF16LEToUnicodeWithOffsets _UTF16OEToUnicodeWithOffsets
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# define _UTF16BEFromUnicodeWithOffsets _UTF16PEFromUnicodeWithOffsets
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# define _UTF16LEFromUnicodeWithOffsets _UTF16OEFromUnicodeWithOffsets
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#else
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# define _UTF16BEToUnicodeWithOffsets _UTF16OEToUnicodeWithOffsets
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# define _UTF16LEToUnicodeWithOffsets _UTF16PEToUnicodeWithOffsets
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# define _UTF16BEFromUnicodeWithOffsets _UTF16OEFromUnicodeWithOffsets
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# define _UTF16LEFromUnicodeWithOffsets _UTF16PEFromUnicodeWithOffsets
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#endif
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static UChar32 T_UConverter_getNextUChar_UTF16_BE(UConverterToUnicodeArgs* args,
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UErrorCode* err)
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{
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UChar32 myUChar;
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uint16_t first;
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/*Checks boundaries and set appropriate error codes*/
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if (args->source+2 > args->sourceLimit)
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{
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if (args->source >= args->sourceLimit)
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{
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/*Either caller has reached the end of the byte stream*/
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*err = U_INDEX_OUTOFBOUNDS_ERROR;
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}
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else
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{
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/* a character was cut in half*/
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*err = U_TRUNCATED_CHAR_FOUND;
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}
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return 0xffff;
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}
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/*Gets the corresponding codepoint*/
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first = (uint16_t)(((uint16_t)(*(args->source)) << 8) |((uint8_t)*((args->source)+1)));
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myUChar = first;
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args->source += 2;
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if(UTF_IS_FIRST_SURROGATE(first)) {
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uint16_t second;
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if (args->source+2 > args->sourceLimit) {
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*err = U_TRUNCATED_CHAR_FOUND;
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return 0xffff;
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}
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/* get the second surrogate and assemble the code point */
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second = (uint16_t)(((uint16_t)(*(args->source)) << 8) |((uint8_t)*(args->source+1)));
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/* ignore unmatched surrogates and just deliver the first one in such a case */
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if(UTF_IS_SECOND_SURROGATE(second)) {
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/* matched pair, get pair value */
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myUChar = UTF16_GET_PAIR_VALUE(first, second);
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args->source += 2;
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}
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}
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return myUChar;
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}
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static const UConverterImpl _UTF16BEImpl={
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UCNV_UTF16_BigEndian,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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_UTF16BEToUnicodeWithOffsets,
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_UTF16BEToUnicodeWithOffsets,
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_UTF16BEFromUnicodeWithOffsets,
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_UTF16BEFromUnicodeWithOffsets,
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T_UConverter_getNextUChar_UTF16_BE,
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NULL,
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NULL
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};
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/* The 1200 CCSID refers to any version of Unicode with any endianess of UTF-16 */
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static const UConverterStaticData _UTF16BEStaticData={
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sizeof(UConverterStaticData),
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"UTF-16BE",
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1200, UCNV_IBM, UCNV_UTF16_BigEndian, 2, 2,
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{ 0xff, 0xfd, 0, 0 },2,FALSE,FALSE,
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0,
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0,
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{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } /* reserved */
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};
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const UConverterSharedData _UTF16BEData={
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sizeof(UConverterSharedData), ~((uint32_t) 0),
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NULL, NULL, &_UTF16BEStaticData, FALSE, &_UTF16BEImpl,
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0
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};
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/* UTF-16LE ----------------------------------------------------------------- */
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static UChar32 T_UConverter_getNextUChar_UTF16_LE(UConverterToUnicodeArgs* args,
|
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UErrorCode* err)
|
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{
|
|
UChar32 myUChar;
|
|
uint16_t first;
|
|
/*Checks boundaries and set appropriate error codes*/
|
|
if (args->source+2 > args->sourceLimit)
|
|
{
|
|
if (args->source >= args->sourceLimit)
|
|
{
|
|
/*Either caller has reached the end of the byte stream*/
|
|
*err = U_INDEX_OUTOFBOUNDS_ERROR;
|
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}
|
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else
|
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{
|
|
/* a character was cut in half*/
|
|
*err = U_TRUNCATED_CHAR_FOUND;
|
|
}
|
|
|
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return 0xffff;
|
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}
|
|
|
|
/*Gets the corresponding codepoint*/
|
|
first = (uint16_t)(((uint16_t)*((args->source)+1) << 8) | ((uint8_t)(*(args->source))));
|
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myUChar=first;
|
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/*updates the source*/
|
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args->source += 2;
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if (UTF_IS_FIRST_SURROGATE(first))
|
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{
|
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uint16_t second;
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|
|
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if (args->source+2 > args->sourceLimit)
|
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{
|
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*err = U_TRUNCATED_CHAR_FOUND;
|
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return 0xffff;
|
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}
|
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|
|
/* get the second surrogate and assemble the code point */
|
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second = (uint16_t)(((uint16_t)*(args->source+1) << 8) |((uint8_t)(*(args->source))));
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|
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/* ignore unmatched surrogates and just deliver the first one in such a case */
|
|
if(UTF_IS_SECOND_SURROGATE(second))
|
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{
|
|
/* matched pair, get pair value */
|
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myUChar = UTF16_GET_PAIR_VALUE(first, second);
|
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args->source += 2;
|
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}
|
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}
|
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|
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return myUChar;
|
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}
|
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|
|
static const UConverterImpl _UTF16LEImpl={
|
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UCNV_UTF16_LittleEndian,
|
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|
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NULL,
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NULL,
|
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NULL,
|
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NULL,
|
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NULL,
|
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|
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_UTF16LEToUnicodeWithOffsets,
|
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_UTF16LEToUnicodeWithOffsets,
|
|
_UTF16LEFromUnicodeWithOffsets,
|
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_UTF16LEFromUnicodeWithOffsets,
|
|
T_UConverter_getNextUChar_UTF16_LE,
|
|
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
|
|
/* The 1200 CCSID refers to any version of Unicode with any endianess of UTF-16 */
|
|
static const UConverterStaticData _UTF16LEStaticData={
|
|
sizeof(UConverterStaticData),
|
|
"UTF-16LE",
|
|
1202, UCNV_IBM, UCNV_UTF16_LittleEndian, 2, 2,
|
|
{ 0xfd, 0xff, 0, 0 },2,FALSE,FALSE,
|
|
0,
|
|
0,
|
|
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } /* reserved */
|
|
};
|
|
|
|
|
|
const UConverterSharedData _UTF16LEData={
|
|
sizeof(UConverterSharedData), ~((uint32_t) 0),
|
|
NULL, NULL, &_UTF16LEStaticData, FALSE, &_UTF16LEImpl,
|
|
0
|
|
};
|
|
|
|
/* UTF-16 (Detect BOM) ------------------------------------------------------ */
|
|
|
|
/*
|
|
* Detect a BOM at the beginning of the stream and select UTF-16BE or UTF-16LE
|
|
* accordingly.
|
|
* This is a simpler version of the UTF-32 converter below, with
|
|
* fewer states for shorter BOMs.
|
|
*
|
|
* State values:
|
|
* 0 initial state
|
|
* 1 saw FE
|
|
* 2..4 -
|
|
* 5 saw FF
|
|
* 6..7 -
|
|
* 8 UTF-16BE mode
|
|
* 9 UTF-16LE mode
|
|
*
|
|
* During detection: state&3==number of matching bytes so far.
|
|
*
|
|
* On output, emit U+FEFF as the first code point.
|
|
*/
|
|
|
|
static void
|
|
_UTF16Reset(UConverter *cnv, UConverterResetChoice choice) {
|
|
if(choice<=UCNV_RESET_TO_UNICODE) {
|
|
/* reset toUnicode: state=0 */
|
|
cnv->mode=0;
|
|
}
|
|
if(choice!=UCNV_RESET_TO_UNICODE) {
|
|
/* reset fromUnicode: prepare to output the UTF-16PE BOM */
|
|
cnv->charErrorBufferLength=2;
|
|
#if U_IS_BIG_ENDIAN
|
|
cnv->charErrorBuffer[0]=0xfe;
|
|
cnv->charErrorBuffer[1]=0xff;
|
|
#else
|
|
cnv->charErrorBuffer[0]=0xff;
|
|
cnv->charErrorBuffer[1]=0xfe;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
_UTF16Open(UConverter *cnv,
|
|
const char *name,
|
|
const char *locale,
|
|
uint32_t options,
|
|
UErrorCode *pErrorCode) {
|
|
_UTF16Reset(cnv, UCNV_RESET_BOTH);
|
|
}
|
|
|
|
static const char utf16BOM[8]={ (char)0xfe, (char)0xff, 0, 0, (char)0xff, (char)0xfe, 0, 0 };
|
|
|
|
static void
|
|
_UTF16ToUnicodeWithOffsets(UConverterToUnicodeArgs *pArgs,
|
|
UErrorCode *pErrorCode) {
|
|
UConverter *cnv=pArgs->converter;
|
|
const char *source=pArgs->source;
|
|
const char *sourceLimit=pArgs->sourceLimit;
|
|
int32_t *offsets=pArgs->offsets;
|
|
|
|
int32_t state, offsetDelta;
|
|
char b;
|
|
|
|
state=cnv->mode;
|
|
|
|
/*
|
|
* If we detect a BOM in this buffer, then we must add the BOM size to the
|
|
* offsets because the actual converter function will not see and count the BOM.
|
|
* offsetDelta will have the number of the BOM bytes that are in the current buffer.
|
|
*/
|
|
offsetDelta=0;
|
|
|
|
while(source<sourceLimit && U_SUCCESS(*pErrorCode)) {
|
|
switch(state) {
|
|
case 0:
|
|
b=*source;
|
|
if(b==(char)0xfe) {
|
|
state=1; /* could be FE FF */
|
|
} else if(b==(char)0xff) {
|
|
state=5; /* could be FF FE */
|
|
} else {
|
|
state=8; /* default to UTF-16BE */
|
|
continue;
|
|
}
|
|
++source;
|
|
break;
|
|
case 1:
|
|
case 5:
|
|
if(*source==utf16BOM[state]) {
|
|
++source;
|
|
if(state==1) {
|
|
state=8; /* detect UTF-16BE */
|
|
offsetDelta=source-pArgs->source;
|
|
} else if(state==5) {
|
|
state=9; /* detect UTF-16LE */
|
|
offsetDelta=source-pArgs->source;
|
|
}
|
|
} else {
|
|
/* switch to UTF-16BE and pass the previous bytes */
|
|
if(source!=pArgs->source) {
|
|
/* just reset the source */
|
|
source=pArgs->source;
|
|
} else {
|
|
UBool oldFlush=pArgs->flush;
|
|
|
|
/* the first byte is from a previous buffer, replay it first */
|
|
pArgs->source=utf16BOM+(state&4); /* select the correct BOM */
|
|
pArgs->sourceLimit=pArgs->source+1; /* replay previous byte */
|
|
pArgs->flush=FALSE; /* this sourceLimit is not the real source stream limit */
|
|
|
|
_UTF16BEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
|
|
/* restore real pointers; pArgs->source will be set in case 8/9 */
|
|
pArgs->sourceLimit=sourceLimit;
|
|
pArgs->flush=oldFlush;
|
|
}
|
|
state=8;
|
|
continue;
|
|
}
|
|
break;
|
|
case 8:
|
|
/* call UTF-16BE */
|
|
pArgs->source=source;
|
|
_UTF16BEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
source=pArgs->source;
|
|
break;
|
|
case 9:
|
|
/* call UTF-16LE */
|
|
pArgs->source=source;
|
|
_UTF16LEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
source=pArgs->source;
|
|
break;
|
|
default:
|
|
break; /* does not occur */
|
|
}
|
|
}
|
|
|
|
/* add BOM size to offsets - see comment at offsetDelta declaration */
|
|
if(offsets!=NULL && offsetDelta!=0) {
|
|
int32_t *offsetsLimit=pArgs->offsets;
|
|
while(offsets<offsetsLimit) {
|
|
*offsets++ += offsetDelta;
|
|
}
|
|
}
|
|
|
|
if(source==sourceLimit && pArgs->flush) {
|
|
/* handle truncated input */
|
|
switch(state) {
|
|
case 0:
|
|
break; /* no input at all, nothing to do */
|
|
case 8:
|
|
_UTF16BEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
break;
|
|
case 9:
|
|
_UTF16LEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
break;
|
|
default:
|
|
/* handle 0<state<8: call UTF-16BE with too-short input */
|
|
pArgs->source=utf16BOM+(state&4); /* select the correct BOM */
|
|
pArgs->sourceLimit=pArgs->source+(state&3); /* replay bytes */
|
|
|
|
/* no offsets: not enough for output */
|
|
_UTF16BEToUnicodeWithOffsets(pArgs, pErrorCode);
|
|
/* pArgs->source restored below */
|
|
pArgs->sourceLimit=sourceLimit;
|
|
break;
|
|
}
|
|
cnv->mode=0; /* reset */
|
|
} else {
|
|
cnv->mode=state;
|
|
}
|
|
|
|
pArgs->source=source;
|
|
}
|
|
|
|
static UChar32
|
|
_UTF16GetNextUChar(UConverterToUnicodeArgs *pArgs,
|
|
UErrorCode *pErrorCode) {
|
|
switch(pArgs->converter->mode) {
|
|
case 8:
|
|
return T_UConverter_getNextUChar_UTF16_BE(pArgs, pErrorCode);
|
|
case 9:
|
|
return T_UConverter_getNextUChar_UTF16_LE(pArgs, pErrorCode);
|
|
default:
|
|
return ucnv_getNextUCharFromToUImpl(pArgs, _UTF16ToUnicodeWithOffsets, TRUE, pErrorCode);
|
|
}
|
|
}
|
|
|
|
static const UConverterImpl _UTF16Impl = {
|
|
UCNV_UTF16,
|
|
|
|
NULL,
|
|
NULL,
|
|
|
|
_UTF16Open,
|
|
NULL,
|
|
_UTF16Reset,
|
|
|
|
_UTF16ToUnicodeWithOffsets,
|
|
_UTF16ToUnicodeWithOffsets,
|
|
_UTF16PEFromUnicodeWithOffsets,
|
|
_UTF16PEFromUnicodeWithOffsets,
|
|
_UTF16GetNextUChar,
|
|
|
|
NULL, /* ### TODO implement getStarters for all Unicode encodings?! */
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
static const UConverterStaticData _UTF16StaticData = {
|
|
sizeof(UConverterStaticData),
|
|
"UTF-16",
|
|
0, /* ### TODO review correctness of all Unicode CCSIDs */
|
|
UCNV_IBM, UCNV_UTF16, 2, 2,
|
|
#if U_IS_BIG_ENDIAN
|
|
{ 0xff, 0xfd, 0, 0 }, 2,
|
|
#else
|
|
{ 0xfd, 0xff, 0, 0 }, 2,
|
|
#endif
|
|
FALSE, FALSE,
|
|
0,
|
|
0,
|
|
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } /* reserved */
|
|
};
|
|
|
|
const UConverterSharedData _UTF16Data = {
|
|
sizeof(UConverterSharedData), ~((uint32_t) 0),
|
|
NULL, NULL, &_UTF16StaticData, FALSE, &_UTF16Impl,
|
|
0
|
|
};
|