| OLD | NEW |
| (Empty) |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "wtf/text/TextCodecReplacement.h" | |
| 6 | |
| 7 #include "wtf/PtrUtil.h" | |
| 8 #include "wtf/text/CharacterNames.h" | |
| 9 #include "wtf/text/WTFString.h" | |
| 10 #include <memory> | |
| 11 | |
| 12 namespace WTF { | |
| 13 | |
| 14 TextCodecReplacement::TextCodecReplacement() | |
| 15 : m_replacementErrorReturned(false) {} | |
| 16 | |
| 17 void TextCodecReplacement::registerEncodingNames( | |
| 18 EncodingNameRegistrar registrar) { | |
| 19 // The 'replacement' label itself should not be referenceable by | |
| 20 // resources or script - it's a specification convenience - but much of | |
| 21 // the wtf/text API asserts that an encoding name is a label for itself. | |
| 22 // This is handled in TextEncoding by marking it as not valid. | |
| 23 registrar("replacement", "replacement"); | |
| 24 | |
| 25 registrar("csiso2022kr", "replacement"); | |
| 26 registrar("hz-gb-2312", "replacement"); | |
| 27 registrar("iso-2022-cn", "replacement"); | |
| 28 registrar("iso-2022-cn-ext", "replacement"); | |
| 29 registrar("iso-2022-kr", "replacement"); | |
| 30 } | |
| 31 | |
| 32 static std::unique_ptr<TextCodec> newStreamingTextDecoderReplacement( | |
| 33 const TextEncoding&, | |
| 34 const void*) { | |
| 35 return WTF::wrapUnique(new TextCodecReplacement); | |
| 36 } | |
| 37 | |
| 38 void TextCodecReplacement::registerCodecs(TextCodecRegistrar registrar) { | |
| 39 registrar("replacement", newStreamingTextDecoderReplacement, 0); | |
| 40 } | |
| 41 | |
| 42 String TextCodecReplacement::decode(const char*, | |
| 43 size_t length, | |
| 44 FlushBehavior, | |
| 45 bool, | |
| 46 bool& sawError) { | |
| 47 // https://encoding.spec.whatwg.org/#replacement-decoder | |
| 48 | |
| 49 // 1. If byte is end-of-stream, return finished. | |
| 50 if (!length) | |
| 51 return String(); | |
| 52 | |
| 53 // 2. If replacement error returned flag is unset, set the replacement | |
| 54 // error returned flag and return error. | |
| 55 if (!m_replacementErrorReturned) { | |
| 56 m_replacementErrorReturned = true; | |
| 57 sawError = true; | |
| 58 return String(&replacementCharacter, 1); | |
| 59 } | |
| 60 | |
| 61 // 3. Return finished. | |
| 62 return String(); | |
| 63 } | |
| 64 | |
| 65 } // namespace WTF | |
| OLD | NEW |