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https://github.com/mozilla/gecko-dev.git
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1b83407ce9
This patch was automatically generated by the following script:
#!/bin/bash
# Command to convert PRUnichar to char16_t
function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
! -wholename "*security/nss*" \
! -wholename "*modules/libmar*" \
! -wholename "*/.hg*" \
! -wholename "obj-ff-dbg*" \
! -name prtypes.h \
! -name Char16.h \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert PRUnichar char16_t
107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/TextDecoder.h"
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#include "mozilla/dom/EncodingUtils.h"
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#include "nsContentUtils.h"
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namespace mozilla {
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namespace dom {
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static const char16_t kReplacementChar = static_cast<char16_t>(0xFFFD);
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void
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TextDecoder::Init(const nsAString& aLabel, const bool aFatal,
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ErrorResult& aRv)
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{
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nsAutoString label(aLabel);
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EncodingUtils::TrimSpaceCharacters(label);
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nsAutoCString encoding;
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// Let encoding be the result of getting an encoding from label.
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// If encoding is failure or replacement, throw a TypeError.
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if (!EncodingUtils::FindEncodingForLabel(label, encoding) ||
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encoding.EqualsLiteral("replacement")) {
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aRv.ThrowTypeError(MSG_ENCODING_NOT_SUPPORTED, &label);
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return;
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}
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InitWithEncoding(encoding, aFatal);
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}
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void
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TextDecoder::InitWithEncoding(const nsACString& aEncoding, const bool aFatal)
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{
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mEncoding = aEncoding;
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// If the constructor is called with an options argument,
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// and the fatal property of the dictionary is set,
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// set the internal fatal flag of the decoder object.
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mFatal = aFatal;
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// Create a decoder object for mEncoding.
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mDecoder = EncodingUtils::DecoderForEncoding(mEncoding);
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if (mFatal) {
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mDecoder->SetInputErrorBehavior(nsIUnicodeDecoder::kOnError_Signal);
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}
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}
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void
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TextDecoder::Decode(const char* aInput, const int32_t aLength,
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const bool aStream, nsAString& aOutDecodedString,
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ErrorResult& aRv)
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{
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aOutDecodedString.Truncate();
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// Run or resume the decoder algorithm of the decoder object's encoder.
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int32_t outLen;
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nsresult rv = mDecoder->GetMaxLength(aInput, aLength, &outLen);
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if (NS_FAILED(rv)) {
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aRv.Throw(rv);
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return;
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}
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// Need a fallible allocator because the caller may be a content
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// and the content can specify the length of the string.
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static const fallible_t fallible = fallible_t();
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nsAutoArrayPtr<char16_t> buf(new (fallible) char16_t[outLen + 1]);
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if (!buf) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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int32_t length = aLength;
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rv = mDecoder->Convert(aInput, &length, buf, &outLen);
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MOZ_ASSERT(mFatal || rv != NS_ERROR_ILLEGAL_INPUT);
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buf[outLen] = 0;
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aOutDecodedString.Append(buf, outLen);
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// If the internal streaming flag of the decoder object is not set,
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// then reset the encoding algorithm state to the default values
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if (!aStream) {
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mDecoder->Reset();
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if (rv == NS_OK_UDEC_MOREINPUT) {
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if (mFatal) {
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aRv.Throw(NS_ERROR_DOM_ENCODING_DECODE_ERR);
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} else {
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// Need to emit a decode error manually
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// to simulate the EOF handling of the Encoding spec.
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aOutDecodedString.Append(kReplacementChar);
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}
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}
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}
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if (NS_FAILED(rv)) {
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aRv.Throw(NS_ERROR_DOM_ENCODING_DECODE_ERR);
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}
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}
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void
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TextDecoder::GetEncoding(nsAString& aEncoding)
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{
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CopyASCIItoUTF16(mEncoding, aEncoding);
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nsContentUtils::ASCIIToLower(aEncoding);
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}
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} // dom
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} // mozilla
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