| 1 | /* |
| 2 | * Copyright (C) 2010. Adam Barth. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. Neither the name of Adam Barth. ("Adam Barth") nor the names of |
| 14 | * its contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #pragma once |
| 30 | |
| 31 | #include <wtf/text/WTFString.h> |
| 32 | |
| 33 | namespace WebCore { |
| 34 | |
| 35 | class Document; |
| 36 | class DocumentParser; |
| 37 | class Frame; |
| 38 | class TextResourceDecoder; |
| 39 | |
| 40 | class DocumentWriter { |
| 41 | WTF_MAKE_NONCOPYABLE(DocumentWriter); |
| 42 | public: |
| 43 | DocumentWriter() = default; |
| 44 | |
| 45 | // This is only called by ScriptController::executeIfJavaScriptURL |
| 46 | // and always contains the result of evaluating a javascript: url. |
| 47 | void replaceDocument(const String&, Document* ownerDocument); |
| 48 | |
| 49 | bool begin(); |
| 50 | bool begin(const URL&, bool dispatchWindowObjectAvailable = true, Document* ownerDocument = nullptr); |
| 51 | void addData(const char* bytes, size_t length); |
| 52 | void insertDataSynchronously(const String&); // For an internal use only to prevent the parser from yielding. |
| 53 | WEBCORE_EXPORT void end(); |
| 54 | |
| 55 | void setFrame(Frame& frame) { m_frame = &frame; } |
| 56 | |
| 57 | WEBCORE_EXPORT void setEncoding(const String& encoding, bool userChosen); |
| 58 | |
| 59 | const String& mimeType() const { return m_mimeType; } |
| 60 | void setMIMEType(const String& type) { m_mimeType = type; } |
| 61 | |
| 62 | // Exposed for DocumentParser::appendBytes. |
| 63 | TextResourceDecoder& decoder(); |
| 64 | void reportDataReceived(); |
| 65 | |
| 66 | void setDocumentWasLoadedAsPartOfNavigation(); |
| 67 | |
| 68 | private: |
| 69 | Ref<Document> createDocument(const URL&); |
| 70 | void clear(); |
| 71 | |
| 72 | Frame* m_frame { nullptr }; |
| 73 | |
| 74 | bool m_hasReceivedSomeData { false }; |
| 75 | String m_mimeType; |
| 76 | |
| 77 | bool m_encodingWasChosenByUser { false }; |
| 78 | String m_encoding; |
| 79 | RefPtr<TextResourceDecoder> m_decoder; |
| 80 | RefPtr<DocumentParser> m_parser; |
| 81 | |
| 82 | enum class State { NotStarted, Started, Finished }; |
| 83 | State m_state { State::NotStarted }; |
| 84 | }; |
| 85 | |
| 86 | } // namespace WebCore |
| 87 | |