intl/uconv/src/nsReplacementToUnicode.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/uconv/src/nsReplacementToUnicode.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,56 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "nsReplacementToUnicode.h"
     1.9 +
    1.10 +nsReplacementToUnicode::nsReplacementToUnicode()
    1.11 + : mSeenByte(false)
    1.12 +{
    1.13 +}
    1.14 +
    1.15 +NS_IMETHODIMP
    1.16 +nsReplacementToUnicode::Convert(const char* aSrc,
    1.17 +                                int32_t* aSrcLength,
    1.18 +                                char16_t* aDest,
    1.19 +                                int32_t* aDestLength)
    1.20 +{
    1.21 +  if (mSeenByte || !(*aSrcLength)) {
    1.22 +    *aDestLength = 0;
    1.23 +    return NS_PARTIAL_MORE_INPUT;
    1.24 +  }
    1.25 +  if (mErrBehavior == kOnError_Signal) {
    1.26 +    mSeenByte = true;
    1.27 +    *aSrcLength = 0;
    1.28 +    *aDestLength = 0;
    1.29 +    return NS_ERROR_ILLEGAL_INPUT;
    1.30 +  }
    1.31 +  if (!(*aDestLength)) {
    1.32 +    *aSrcLength = -1;
    1.33 +    return NS_PARTIAL_MORE_OUTPUT;
    1.34 +  }
    1.35 +  mSeenByte = true;
    1.36 +  *aDest = 0xFFFD;
    1.37 +  *aDestLength = 1;
    1.38 +  return NS_PARTIAL_MORE_INPUT;
    1.39 +}
    1.40 +
    1.41 +NS_IMETHODIMP
    1.42 +nsReplacementToUnicode::GetMaxLength(const char* aSrc,
    1.43 +                          int32_t aSrcLength,
    1.44 +                          int32_t* aDestLength)
    1.45 +{
    1.46 +  if (!mSeenByte && aSrcLength > 0) {
    1.47 +    *aDestLength = 1;
    1.48 +  } else {
    1.49 +    *aDestLength = 0;
    1.50 +  }
    1.51 +  return NS_EXACT_LENGTH;
    1.52 +}
    1.53 +
    1.54 +NS_IMETHODIMP
    1.55 +nsReplacementToUnicode::Reset()
    1.56 +{
    1.57 +  mSeenByte = false;
    1.58 +  return NS_OK;
    1.59 +}

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