| /* |
| * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/dom/decoded_data_document_parser.h" |
| |
| #include <memory> |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/document_encoding_data.h" |
| #include "third_party/blink/renderer/core/html/parser/text_resource_decoder.h" |
| |
| namespace blink { |
| |
| DecodedDataDocumentParser::DecodedDataDocumentParser(Document& document) |
| : DocumentParser(&document), needs_decoder_(true) {} |
| |
| DecodedDataDocumentParser::~DecodedDataDocumentParser() = default; |
| |
| void DecodedDataDocumentParser::SetDecoder( |
| std::unique_ptr<TextResourceDecoder> decoder) { |
| // If the decoder is explicitly unset rather than having ownership |
| // transferred away by takeDecoder(), we need to make sure it's recreated |
| // next time data is appended. |
| needs_decoder_ = !decoder; |
| decoder_ = std::move(decoder); |
| } |
| |
| TextResourceDecoder* DecodedDataDocumentParser::Decoder() { |
| return decoder_.get(); |
| } |
| |
| std::unique_ptr<TextResourceDecoder> DecodedDataDocumentParser::TakeDecoder() { |
| return std::move(decoder_); |
| } |
| |
| void DecodedDataDocumentParser::AppendBytes(const char* data, size_t length) { |
| if (!length) |
| return; |
| |
| // This should be checking isStopped(), but XMLDocumentParser prematurely |
| // stops parsing when handling an XSLT processing instruction and still |
| // needs to receive decoded bytes. |
| if (IsDetached()) |
| return; |
| |
| String decoded = decoder_->Decode(data, length); |
| UpdateDocument(decoded); |
| } |
| |
| void DecodedDataDocumentParser::Flush() { |
| // This should be checking isStopped(), but XMLDocumentParser prematurely |
| // stops parsing when handling an XSLT processing instruction and still |
| // needs to receive decoded bytes. |
| if (IsDetached()) |
| return; |
| |
| // null decoder indicates there is no data received. |
| // We have nothing to do in that case. |
| if (!decoder_) |
| return; |
| |
| String remaining_data = decoder_->Flush(); |
| UpdateDocument(remaining_data); |
| } |
| |
| void DecodedDataDocumentParser::UpdateDocument(String& decoded_data) { |
| GetDocument()->SetEncodingData(DocumentEncodingData(*decoder_.get())); |
| |
| if (!decoded_data.IsEmpty()) |
| Append(decoded_data); |
| } |
| |
| } // namespace blink |