michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsReplacementToUnicode.h"
michael@0: 
michael@0: nsReplacementToUnicode::nsReplacementToUnicode()
michael@0:  : mSeenByte(false)
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsReplacementToUnicode::Convert(const char* aSrc,
michael@0:                                 int32_t* aSrcLength,
michael@0:                                 char16_t* aDest,
michael@0:                                 int32_t* aDestLength)
michael@0: {
michael@0:   if (mSeenByte || !(*aSrcLength)) {
michael@0:     *aDestLength = 0;
michael@0:     return NS_PARTIAL_MORE_INPUT;
michael@0:   }
michael@0:   if (mErrBehavior == kOnError_Signal) {
michael@0:     mSeenByte = true;
michael@0:     *aSrcLength = 0;
michael@0:     *aDestLength = 0;
michael@0:     return NS_ERROR_ILLEGAL_INPUT;
michael@0:   }
michael@0:   if (!(*aDestLength)) {
michael@0:     *aSrcLength = -1;
michael@0:     return NS_PARTIAL_MORE_OUTPUT;
michael@0:   }
michael@0:   mSeenByte = true;
michael@0:   *aDest = 0xFFFD;
michael@0:   *aDestLength = 1;
michael@0:   return NS_PARTIAL_MORE_INPUT;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsReplacementToUnicode::GetMaxLength(const char* aSrc,
michael@0:                           int32_t aSrcLength,
michael@0:                           int32_t* aDestLength)
michael@0: {
michael@0:   if (!mSeenByte && aSrcLength > 0) {
michael@0:     *aDestLength = 1;
michael@0:   } else {
michael@0:     *aDestLength = 0;
michael@0:   }
michael@0:   return NS_EXACT_LENGTH;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsReplacementToUnicode::Reset()
michael@0: {
michael@0:   mSeenByte = false;
michael@0:   return NS_OK;
michael@0: }