| /* |
| * 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 "config.h" |
| #include "core/dom/DecodedDataDocumentParser.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/dom/DocumentEncodingData.h" |
| #include "core/fetch/TextResourceDecoder.h" |
| |
| namespace WebCore { |
| |
| DecodedDataDocumentParser::DecodedDataDocumentParser(Document* document) |
| : DocumentParser(document) |
| , m_hasAppendedData(false) |
| { |
| } |
| |
| DecodedDataDocumentParser::~DecodedDataDocumentParser() |
| { |
| } |
| |
| void DecodedDataDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder) |
| { |
| m_decoder = decoder; |
| } |
| |
| TextResourceDecoder* DecodedDataDocumentParser::decoder() |
| { |
| return m_decoder.get(); |
| } |
| |
| void DecodedDataDocumentParser::setHasAppendedData() |
| { |
| m_hasAppendedData = true; |
| } |
| |
| 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 = m_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 (!m_decoder) |
| return; |
| |
| String remainingData = m_decoder->flush(); |
| updateDocument(remainingData); |
| } |
| |
| void DecodedDataDocumentParser::updateDocument(String& decodedData) |
| { |
| DocumentEncodingData encodingData; |
| encodingData.encoding = m_decoder->encoding(); |
| encodingData.wasDetectedHeuristically = m_decoder->encodingWasDetectedHeuristically(); |
| encodingData.sawDecodingError = m_decoder->sawError(); |
| document()->setEncodingData(encodingData); |
| |
| if (decodedData.isEmpty()) |
| return; |
| |
| append(decodedData.releaseImpl()); |
| // FIXME: Should be removed as part of https://code.google.com/p/chromium/issues/detail?id=319643 |
| if (!m_hasAppendedData) { |
| m_hasAppendedData = true; |
| if (m_decoder->encoding().usesVisualOrdering()) |
| document()->setVisuallyOrdered(); |
| } |
| } |
| |
| }; |