1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/uconv/util/nsUCSupport.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,638 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsUCSupport.h"
1.10 +#include "nsUnicodeDecodeHelper.h"
1.11 +#include "nsUnicodeEncodeHelper.h"
1.12 +#include <algorithm>
1.13 +
1.14 +#define DEFAULT_BUFFER_CAPACITY 16
1.15 +
1.16 +// XXX review the buffer growth limitation code
1.17 +
1.18 +//----------------------------------------------------------------------
1.19 +// Class nsBasicDecoderSupport [implementation]
1.20 +
1.21 +nsBasicDecoderSupport::nsBasicDecoderSupport()
1.22 + : mErrBehavior(kOnError_Recover)
1.23 +{
1.24 +}
1.25 +
1.26 +nsBasicDecoderSupport::~nsBasicDecoderSupport()
1.27 +{
1.28 +}
1.29 +
1.30 +//----------------------------------------------------------------------
1.31 +// Interface nsISupports [implementation]
1.32 +
1.33 +#ifdef DEBUG
1.34 +NS_IMPL_ISUPPORTS(nsBasicDecoderSupport,
1.35 + nsIUnicodeDecoder,
1.36 + nsIBasicDecoder)
1.37 +#else
1.38 +NS_IMPL_ISUPPORTS(nsBasicDecoderSupport, nsIUnicodeDecoder)
1.39 +#endif
1.40 +
1.41 +//----------------------------------------------------------------------
1.42 +// Interface nsIUnicodeDecoder [implementation]
1.43 +
1.44 +void
1.45 +nsBasicDecoderSupport::SetInputErrorBehavior(int32_t aBehavior)
1.46 +{
1.47 + NS_ABORT_IF_FALSE(aBehavior == kOnError_Recover || aBehavior == kOnError_Signal,
1.48 + "Unknown behavior for SetInputErrorBehavior");
1.49 + mErrBehavior = aBehavior;
1.50 +}
1.51 +
1.52 +char16_t
1.53 +nsBasicDecoderSupport::GetCharacterForUnMapped()
1.54 +{
1.55 + return char16_t(0xfffd); // Unicode REPLACEMENT CHARACTER
1.56 +}
1.57 +
1.58 +//----------------------------------------------------------------------
1.59 +// Class nsBufferDecoderSupport [implementation]
1.60 +
1.61 +nsBufferDecoderSupport::nsBufferDecoderSupport(uint32_t aMaxLengthFactor)
1.62 + : nsBasicDecoderSupport(),
1.63 + mMaxLengthFactor(aMaxLengthFactor)
1.64 +{
1.65 + mBufferCapacity = DEFAULT_BUFFER_CAPACITY;
1.66 + mBuffer = new char[mBufferCapacity];
1.67 +
1.68 + Reset();
1.69 +}
1.70 +
1.71 +nsBufferDecoderSupport::~nsBufferDecoderSupport()
1.72 +{
1.73 + delete [] mBuffer;
1.74 +}
1.75 +
1.76 +void nsBufferDecoderSupport::FillBuffer(const char ** aSrc, int32_t aSrcLength)
1.77 +{
1.78 + int32_t bcr = std::min(mBufferCapacity - mBufferLength, aSrcLength);
1.79 + memcpy(mBuffer + mBufferLength, *aSrc, bcr);
1.80 + mBufferLength += bcr;
1.81 + (*aSrc) += bcr;
1.82 +}
1.83 +
1.84 +//----------------------------------------------------------------------
1.85 +// Subclassing of nsBasicDecoderSupport class [implementation]
1.86 +
1.87 +NS_IMETHODIMP nsBufferDecoderSupport::Convert(const char * aSrc,
1.88 + int32_t * aSrcLength,
1.89 + char16_t * aDest,
1.90 + int32_t * aDestLength)
1.91 +{
1.92 + // we do all operations using pointers internally
1.93 + const char * src = aSrc;
1.94 + const char * srcEnd = aSrc + *aSrcLength;
1.95 + char16_t * dest = aDest;
1.96 + char16_t * destEnd = aDest + *aDestLength;
1.97 +
1.98 + int32_t bcr, bcw; // byte counts for read & write;
1.99 + nsresult res = NS_OK;
1.100 +
1.101 + // do we have some residual data from the last conversion?
1.102 + if (mBufferLength > 0) {
1.103 + if (dest == destEnd) {
1.104 + res = NS_OK_UDEC_MOREOUTPUT;
1.105 + } else {
1.106 + for (;;) {
1.107 + // we need new data to add to the buffer
1.108 + if (src == srcEnd) {
1.109 + res = NS_OK_UDEC_MOREINPUT;
1.110 + break;
1.111 + }
1.112 +
1.113 + // fill that buffer
1.114 + int32_t buffLen = mBufferLength; // initial buffer length
1.115 + FillBuffer(&src, srcEnd - src);
1.116 +
1.117 + // convert that buffer
1.118 + bcr = mBufferLength;
1.119 + bcw = destEnd - dest;
1.120 + res = ConvertNoBuff(mBuffer, &bcr, dest, &bcw);
1.121 + dest += bcw;
1.122 +
1.123 + // Detect invalid input character
1.124 + if (res == NS_ERROR_ILLEGAL_INPUT && mErrBehavior == kOnError_Signal) {
1.125 + break;
1.126 + }
1.127 +
1.128 + if ((res == NS_OK_UDEC_MOREINPUT) && (bcw == 0)) {
1.129 + res = NS_ERROR_UNEXPECTED;
1.130 +#if defined(DEBUG_yokoyama) || defined(DEBUG_ftang)
1.131 + NS_ERROR("This should not happen. Internal buffer may be corrupted.");
1.132 +#endif
1.133 + break;
1.134 + } else {
1.135 + if (bcr < buffLen) {
1.136 + // we didn't convert that residual data - unfill the buffer
1.137 + src -= mBufferLength - buffLen;
1.138 + mBufferLength = buffLen;
1.139 +#if defined(DEBUG_yokoyama) || defined(DEBUG_ftang)
1.140 + NS_ERROR("This should not happen. Internal buffer may be corrupted.");
1.141 +#endif
1.142 + } else {
1.143 + // the buffer and some extra data was converted - unget the rest
1.144 + src -= mBufferLength - bcr;
1.145 + mBufferLength = 0;
1.146 + res = NS_OK;
1.147 + }
1.148 + break;
1.149 + }
1.150 + }
1.151 + }
1.152 + }
1.153 +
1.154 + if (res == NS_OK) {
1.155 + bcr = srcEnd - src;
1.156 + bcw = destEnd - dest;
1.157 + res = ConvertNoBuff(src, &bcr, dest, &bcw);
1.158 + src += bcr;
1.159 + dest += bcw;
1.160 +
1.161 + // if we have partial input, store it in our internal buffer.
1.162 + if (res == NS_OK_UDEC_MOREINPUT) {
1.163 + bcr = srcEnd - src;
1.164 + // make sure buffer is large enough
1.165 + if (bcr > mBufferCapacity) {
1.166 + // somehow we got into an error state and the buffer is growing out
1.167 + // of control
1.168 + res = NS_ERROR_UNEXPECTED;
1.169 + } else {
1.170 + FillBuffer(&src, bcr);
1.171 + }
1.172 + }
1.173 + }
1.174 +
1.175 + *aSrcLength -= srcEnd - src;
1.176 + *aDestLength -= destEnd - dest;
1.177 + return res;
1.178 +}
1.179 +
1.180 +NS_IMETHODIMP nsBufferDecoderSupport::Reset()
1.181 +{
1.182 + mBufferLength = 0;
1.183 + return NS_OK;
1.184 +}
1.185 +
1.186 +NS_IMETHODIMP nsBufferDecoderSupport::GetMaxLength(const char* aSrc,
1.187 + int32_t aSrcLength,
1.188 + int32_t* aDestLength)
1.189 +{
1.190 + NS_ASSERTION(mMaxLengthFactor != 0, "Must override GetMaxLength!");
1.191 + *aDestLength = aSrcLength * mMaxLengthFactor;
1.192 + return NS_OK;
1.193 +}
1.194 +
1.195 +//----------------------------------------------------------------------
1.196 +// Class nsTableDecoderSupport [implementation]
1.197 +
1.198 +nsTableDecoderSupport::nsTableDecoderSupport(uScanClassID aScanClass,
1.199 + uShiftInTable * aShiftInTable,
1.200 + uMappingTable * aMappingTable,
1.201 + uint32_t aMaxLengthFactor)
1.202 +: nsBufferDecoderSupport(aMaxLengthFactor)
1.203 +{
1.204 + mScanClass = aScanClass;
1.205 + mShiftInTable = aShiftInTable;
1.206 + mMappingTable = aMappingTable;
1.207 +}
1.208 +
1.209 +nsTableDecoderSupport::~nsTableDecoderSupport()
1.210 +{
1.211 +}
1.212 +
1.213 +//----------------------------------------------------------------------
1.214 +// Subclassing of nsBufferDecoderSupport class [implementation]
1.215 +
1.216 +NS_IMETHODIMP nsTableDecoderSupport::ConvertNoBuff(const char * aSrc,
1.217 + int32_t * aSrcLength,
1.218 + char16_t * aDest,
1.219 + int32_t * aDestLength)
1.220 +{
1.221 + return nsUnicodeDecodeHelper::ConvertByTable(aSrc, aSrcLength,
1.222 + aDest, aDestLength,
1.223 + mScanClass,
1.224 + mShiftInTable, mMappingTable,
1.225 + mErrBehavior == kOnError_Signal);
1.226 +}
1.227 +
1.228 +//----------------------------------------------------------------------
1.229 +// Class nsMultiTableDecoderSupport [implementation]
1.230 +
1.231 +nsMultiTableDecoderSupport::nsMultiTableDecoderSupport(
1.232 + int32_t aTableCount,
1.233 + const uRange * aRangeArray,
1.234 + uScanClassID * aScanClassArray,
1.235 + uMappingTable ** aMappingTable,
1.236 + uint32_t aMaxLengthFactor)
1.237 +: nsBufferDecoderSupport(aMaxLengthFactor)
1.238 +{
1.239 + mTableCount = aTableCount;
1.240 + mRangeArray = aRangeArray;
1.241 + mScanClassArray = aScanClassArray;
1.242 + mMappingTable = aMappingTable;
1.243 +}
1.244 +
1.245 +nsMultiTableDecoderSupport::~nsMultiTableDecoderSupport()
1.246 +{
1.247 +}
1.248 +
1.249 +//----------------------------------------------------------------------
1.250 +// Subclassing of nsBufferDecoderSupport class [implementation]
1.251 +
1.252 +NS_IMETHODIMP nsMultiTableDecoderSupport::ConvertNoBuff(const char * aSrc,
1.253 + int32_t * aSrcLength,
1.254 + char16_t * aDest,
1.255 + int32_t * aDestLength)
1.256 +{
1.257 + return nsUnicodeDecodeHelper::ConvertByMultiTable(aSrc, aSrcLength,
1.258 + aDest, aDestLength,
1.259 + mTableCount, mRangeArray,
1.260 + mScanClassArray,
1.261 + mMappingTable,
1.262 + mErrBehavior == kOnError_Signal);
1.263 +}
1.264 +
1.265 +//----------------------------------------------------------------------
1.266 +// Class nsOneByteDecoderSupport [implementation]
1.267 +
1.268 +nsOneByteDecoderSupport::nsOneByteDecoderSupport(
1.269 + uMappingTable * aMappingTable)
1.270 + : nsBasicDecoderSupport()
1.271 + , mMappingTable(aMappingTable)
1.272 + , mFastTableCreated(false)
1.273 + , mFastTableMutex("nsOneByteDecoderSupport mFastTableMutex")
1.274 +{
1.275 +}
1.276 +
1.277 +nsOneByteDecoderSupport::~nsOneByteDecoderSupport()
1.278 +{
1.279 +}
1.280 +
1.281 +//----------------------------------------------------------------------
1.282 +// Subclassing of nsBasicDecoderSupport class [implementation]
1.283 +
1.284 +NS_IMETHODIMP nsOneByteDecoderSupport::Convert(const char * aSrc,
1.285 + int32_t * aSrcLength,
1.286 + char16_t * aDest,
1.287 + int32_t * aDestLength)
1.288 +{
1.289 + if (!mFastTableCreated) {
1.290 + // Probably better to make this non-lazy and get rid of the mutex
1.291 + mozilla::MutexAutoLock autoLock(mFastTableMutex);
1.292 + if (!mFastTableCreated) {
1.293 + nsresult res = nsUnicodeDecodeHelper::CreateFastTable(
1.294 + mMappingTable, mFastTable, ONE_BYTE_TABLE_SIZE);
1.295 + if (NS_FAILED(res)) return res;
1.296 + mFastTableCreated = true;
1.297 + }
1.298 + }
1.299 +
1.300 + return nsUnicodeDecodeHelper::ConvertByFastTable(aSrc, aSrcLength,
1.301 + aDest, aDestLength,
1.302 + mFastTable,
1.303 + ONE_BYTE_TABLE_SIZE,
1.304 + mErrBehavior == kOnError_Signal);
1.305 +}
1.306 +
1.307 +NS_IMETHODIMP nsOneByteDecoderSupport::GetMaxLength(const char * aSrc,
1.308 + int32_t aSrcLength,
1.309 + int32_t * aDestLength)
1.310 +{
1.311 + // single byte to Unicode converter
1.312 + *aDestLength = aSrcLength;
1.313 + return NS_OK_UDEC_EXACTLENGTH;
1.314 +}
1.315 +
1.316 +NS_IMETHODIMP nsOneByteDecoderSupport::Reset()
1.317 +{
1.318 + // nothing to reset, no internal state in this case
1.319 + return NS_OK;
1.320 +}
1.321 +
1.322 +//----------------------------------------------------------------------
1.323 +// Class nsBasicEncoder [implementation]
1.324 +nsBasicEncoder::nsBasicEncoder()
1.325 +{
1.326 +}
1.327 +
1.328 +nsBasicEncoder::~nsBasicEncoder()
1.329 +{
1.330 +}
1.331 +
1.332 +//----------------------------------------------------------------------
1.333 +// Interface nsISupports [implementation]
1.334 +
1.335 +NS_IMPL_ADDREF(nsBasicEncoder)
1.336 +NS_IMPL_RELEASE(nsBasicEncoder)
1.337 +#ifdef DEBUG
1.338 +NS_IMPL_QUERY_INTERFACE(nsBasicEncoder,
1.339 + nsIUnicodeEncoder,
1.340 + nsIBasicEncoder)
1.341 +#else
1.342 +NS_IMPL_QUERY_INTERFACE(nsBasicEncoder,
1.343 + nsIUnicodeEncoder)
1.344 +#endif
1.345 +//----------------------------------------------------------------------
1.346 +// Class nsEncoderSupport [implementation]
1.347 +
1.348 +nsEncoderSupport::nsEncoderSupport(uint32_t aMaxLengthFactor) :
1.349 + mMaxLengthFactor(aMaxLengthFactor)
1.350 +{
1.351 + mBufferCapacity = DEFAULT_BUFFER_CAPACITY;
1.352 + mBuffer = new char[mBufferCapacity];
1.353 +
1.354 + mErrBehavior = kOnError_Signal;
1.355 + mErrChar = 0;
1.356 +
1.357 + Reset();
1.358 +}
1.359 +
1.360 +nsEncoderSupport::~nsEncoderSupport()
1.361 +{
1.362 + delete [] mBuffer;
1.363 +}
1.364 +
1.365 +NS_IMETHODIMP nsEncoderSupport::ConvertNoBuff(const char16_t * aSrc,
1.366 + int32_t * aSrcLength,
1.367 + char * aDest,
1.368 + int32_t * aDestLength)
1.369 +{
1.370 + // we do all operations using pointers internally
1.371 + const char16_t * src = aSrc;
1.372 + const char16_t * srcEnd = aSrc + *aSrcLength;
1.373 + char * dest = aDest;
1.374 + char * destEnd = aDest + *aDestLength;
1.375 +
1.376 + int32_t bcr, bcw; // byte counts for read & write;
1.377 + nsresult res;
1.378 +
1.379 + for (;;) {
1.380 + bcr = srcEnd - src;
1.381 + bcw = destEnd - dest;
1.382 + res = ConvertNoBuffNoErr(src, &bcr, dest, &bcw);
1.383 + src += bcr;
1.384 + dest += bcw;
1.385 +
1.386 + if (res == NS_ERROR_UENC_NOMAPPING) {
1.387 + if (mErrBehavior == kOnError_Replace) {
1.388 + const char16_t buff[] = {mErrChar};
1.389 + bcr = 1;
1.390 + bcw = destEnd - dest;
1.391 + src--; // back the input: maybe the guy won't consume consume anything.
1.392 + res = ConvertNoBuffNoErr(buff, &bcr, dest, &bcw);
1.393 + src += bcr;
1.394 + dest += bcw;
1.395 + if (res != NS_OK) break;
1.396 + } else if (mErrBehavior == kOnError_CallBack) {
1.397 + bcw = destEnd - dest;
1.398 + src--;
1.399 + res = mErrEncoder->Convert(*src, dest, &bcw);
1.400 + dest += bcw;
1.401 + // if enought output space then the last char was used
1.402 + if (res != NS_OK_UENC_MOREOUTPUT) src++;
1.403 + if (res != NS_OK) break;
1.404 + } else break;
1.405 + }
1.406 + else break;
1.407 + }
1.408 +
1.409 + *aSrcLength -= srcEnd - src;
1.410 + *aDestLength -= destEnd - dest;
1.411 + return res;
1.412 +}
1.413 +
1.414 +NS_IMETHODIMP nsEncoderSupport::FinishNoBuff(char * aDest,
1.415 + int32_t * aDestLength)
1.416 +{
1.417 + *aDestLength = 0;
1.418 + return NS_OK;
1.419 +}
1.420 +
1.421 +nsresult nsEncoderSupport::FlushBuffer(char ** aDest, const char * aDestEnd)
1.422 +{
1.423 + int32_t bcr, bcw; // byte counts for read & write;
1.424 + nsresult res = NS_OK;
1.425 + char * dest = *aDest;
1.426 +
1.427 + if (mBufferStart < mBufferEnd) {
1.428 + bcr = mBufferEnd - mBufferStart;
1.429 + bcw = aDestEnd - dest;
1.430 + if (bcw < bcr) bcr = bcw;
1.431 + memcpy(dest, mBufferStart, bcr);
1.432 + dest += bcr;
1.433 + mBufferStart += bcr;
1.434 +
1.435 + if (mBufferStart < mBufferEnd) res = NS_OK_UENC_MOREOUTPUT;
1.436 + }
1.437 +
1.438 + *aDest = dest;
1.439 + return res;
1.440 +}
1.441 +
1.442 +
1.443 +//----------------------------------------------------------------------
1.444 +// Interface nsIUnicodeEncoder [implementation]
1.445 +
1.446 +NS_IMETHODIMP nsEncoderSupport::Convert(const char16_t * aSrc,
1.447 + int32_t * aSrcLength,
1.448 + char * aDest,
1.449 + int32_t * aDestLength)
1.450 +{
1.451 + // we do all operations using pointers internally
1.452 + const char16_t * src = aSrc;
1.453 + const char16_t * srcEnd = aSrc + *aSrcLength;
1.454 + char * dest = aDest;
1.455 + char * destEnd = aDest + *aDestLength;
1.456 +
1.457 + int32_t bcr, bcw; // byte counts for read & write;
1.458 + nsresult res;
1.459 +
1.460 + res = FlushBuffer(&dest, destEnd);
1.461 + if (res == NS_OK_UENC_MOREOUTPUT) goto final;
1.462 +
1.463 + bcr = srcEnd - src;
1.464 + bcw = destEnd - dest;
1.465 + res = ConvertNoBuff(src, &bcr, dest, &bcw);
1.466 + src += bcr;
1.467 + dest += bcw;
1.468 + if ((res == NS_OK_UENC_MOREOUTPUT) && (dest < destEnd)) {
1.469 + // convert exactly one character into the internal buffer
1.470 + // at this point, there should be at least a char in the input
1.471 + for (;;) {
1.472 + bcr = 1;
1.473 + bcw = mBufferCapacity;
1.474 + res = ConvertNoBuff(src, &bcr, mBuffer, &bcw);
1.475 +
1.476 + if (res == NS_OK_UENC_MOREOUTPUT) {
1.477 + delete [] mBuffer;
1.478 + mBufferCapacity *= 2;
1.479 + mBuffer = new char [mBufferCapacity];
1.480 + } else {
1.481 + src += bcr;
1.482 + mBufferStart = mBufferEnd = mBuffer;
1.483 + mBufferEnd += bcw;
1.484 + break;
1.485 + }
1.486 + }
1.487 +
1.488 + res = FlushBuffer(&dest, destEnd);
1.489 + }
1.490 +
1.491 +final:
1.492 + *aSrcLength -= srcEnd - src;
1.493 + *aDestLength -= destEnd - dest;
1.494 + return res;
1.495 +}
1.496 +
1.497 +NS_IMETHODIMP nsEncoderSupport::Finish(char * aDest, int32_t * aDestLength)
1.498 +{
1.499 + // we do all operations using pointers internally
1.500 + char * dest = aDest;
1.501 + char * destEnd = aDest + *aDestLength;
1.502 +
1.503 + int32_t bcw; // byte count for write;
1.504 + nsresult res;
1.505 +
1.506 + res = FlushBuffer(&dest, destEnd);
1.507 + if (res == NS_OK_UENC_MOREOUTPUT) goto final;
1.508 +
1.509 + // do the finish into the internal buffer.
1.510 + for (;;) {
1.511 + bcw = mBufferCapacity;
1.512 + res = FinishNoBuff(mBuffer, &bcw);
1.513 +
1.514 + if (res == NS_OK_UENC_MOREOUTPUT) {
1.515 + delete [] mBuffer;
1.516 + mBufferCapacity *= 2;
1.517 + mBuffer = new char [mBufferCapacity];
1.518 + } else {
1.519 + mBufferStart = mBufferEnd = mBuffer;
1.520 + mBufferEnd += bcw;
1.521 + break;
1.522 + }
1.523 + }
1.524 +
1.525 + res = FlushBuffer(&dest, destEnd);
1.526 +
1.527 +final:
1.528 + *aDestLength -= destEnd - dest;
1.529 + return res;
1.530 +}
1.531 +
1.532 +NS_IMETHODIMP nsEncoderSupport::Reset()
1.533 +{
1.534 + mBufferStart = mBufferEnd = mBuffer;
1.535 + return NS_OK;
1.536 +}
1.537 +
1.538 +NS_IMETHODIMP nsEncoderSupport::SetOutputErrorBehavior(
1.539 + int32_t aBehavior,
1.540 + nsIUnicharEncoder * aEncoder,
1.541 + char16_t aChar)
1.542 +{
1.543 + if (aBehavior == kOnError_CallBack && !aEncoder)
1.544 + return NS_ERROR_NULL_POINTER;
1.545 +
1.546 + mErrEncoder = aEncoder;
1.547 + mErrBehavior = aBehavior;
1.548 + mErrChar = aChar;
1.549 + return NS_OK;
1.550 +}
1.551 +
1.552 +NS_IMETHODIMP
1.553 +nsEncoderSupport::GetMaxLength(const char16_t * aSrc,
1.554 + int32_t aSrcLength,
1.555 + int32_t * aDestLength)
1.556 +{
1.557 + *aDestLength = aSrcLength * mMaxLengthFactor;
1.558 + return NS_OK;
1.559 +}
1.560 +
1.561 +
1.562 +//----------------------------------------------------------------------
1.563 +// Class nsTableEncoderSupport [implementation]
1.564 +
1.565 +nsTableEncoderSupport::nsTableEncoderSupport(uScanClassID aScanClass,
1.566 + uShiftOutTable * aShiftOutTable,
1.567 + uMappingTable * aMappingTable,
1.568 + uint32_t aMaxLengthFactor)
1.569 +: nsEncoderSupport(aMaxLengthFactor)
1.570 +{
1.571 + mScanClass = aScanClass;
1.572 + mShiftOutTable = aShiftOutTable,
1.573 + mMappingTable = aMappingTable;
1.574 +}
1.575 +
1.576 +nsTableEncoderSupport::nsTableEncoderSupport(uScanClassID aScanClass,
1.577 + uMappingTable * aMappingTable,
1.578 + uint32_t aMaxLengthFactor)
1.579 +: nsEncoderSupport(aMaxLengthFactor)
1.580 +{
1.581 + mScanClass = aScanClass;
1.582 + mShiftOutTable = nullptr;
1.583 + mMappingTable = aMappingTable;
1.584 +}
1.585 +
1.586 +nsTableEncoderSupport::~nsTableEncoderSupport()
1.587 +{
1.588 +}
1.589 +
1.590 +//----------------------------------------------------------------------
1.591 +// Subclassing of nsEncoderSupport class [implementation]
1.592 +
1.593 +NS_IMETHODIMP nsTableEncoderSupport::ConvertNoBuffNoErr(
1.594 + const char16_t * aSrc,
1.595 + int32_t * aSrcLength,
1.596 + char * aDest,
1.597 + int32_t * aDestLength)
1.598 +{
1.599 + return nsUnicodeEncodeHelper::ConvertByTable(aSrc, aSrcLength,
1.600 + aDest, aDestLength,
1.601 + mScanClass,
1.602 + mShiftOutTable, mMappingTable);
1.603 +}
1.604 +
1.605 +//----------------------------------------------------------------------
1.606 +// Class nsMultiTableEncoderSupport [implementation]
1.607 +
1.608 +nsMultiTableEncoderSupport::nsMultiTableEncoderSupport(
1.609 + int32_t aTableCount,
1.610 + uScanClassID * aScanClassArray,
1.611 + uShiftOutTable ** aShiftOutTable,
1.612 + uMappingTable ** aMappingTable,
1.613 + uint32_t aMaxLengthFactor)
1.614 +: nsEncoderSupport(aMaxLengthFactor)
1.615 +{
1.616 + mTableCount = aTableCount;
1.617 + mScanClassArray = aScanClassArray;
1.618 + mShiftOutTable = aShiftOutTable;
1.619 + mMappingTable = aMappingTable;
1.620 +}
1.621 +
1.622 +nsMultiTableEncoderSupport::~nsMultiTableEncoderSupport()
1.623 +{
1.624 +}
1.625 +
1.626 +//----------------------------------------------------------------------
1.627 +// Subclassing of nsEncoderSupport class [implementation]
1.628 +
1.629 +NS_IMETHODIMP nsMultiTableEncoderSupport::ConvertNoBuffNoErr(
1.630 + const char16_t * aSrc,
1.631 + int32_t * aSrcLength,
1.632 + char * aDest,
1.633 + int32_t * aDestLength)
1.634 +{
1.635 + return nsUnicodeEncodeHelper::ConvertByMultiTable(aSrc, aSrcLength,
1.636 + aDest, aDestLength,
1.637 + mTableCount,
1.638 + mScanClassArray,
1.639 + mShiftOutTable,
1.640 + mMappingTable);
1.641 +}
