| // Copyright 2016 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCRT_XML_CFX_XMLPARSER_H_ |
| #define CORE_FXCRT_XML_CFX_XMLPARSER_H_ |
| |
| #include <memory> |
| |
| #include "core/fxcrt/data_vector.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| #include "core/fxcrt/widestring.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| class CFX_SeekableStreamProxy; |
| class CFX_XMLDocument; |
| class CFX_XMLNode; |
| class IFX_SeekableReadStream; |
| |
| class CFX_XMLParser final { |
| public: |
| static bool IsXMLNameChar(wchar_t ch, bool bFirstChar); |
| |
| explicit CFX_XMLParser(const RetainPtr<IFX_SeekableReadStream>& pStream); |
| ~CFX_XMLParser(); |
| |
| std::unique_ptr<CFX_XMLDocument> Parse(); |
| |
| private: |
| enum class FDE_XmlSyntaxState { |
| Text, |
| Node, |
| Target, |
| Tag, |
| AttriName, |
| AttriEqualSign, |
| AttriQuotation, |
| AttriValue, |
| CloseInstruction, |
| BreakElement, |
| CloseElement, |
| SkipDeclNode, |
| SkipComment, |
| SkipCommentOrDecl, |
| SkipCData, |
| TargetData |
| }; |
| |
| bool DoSyntaxParse(CFX_XMLDocument* doc); |
| WideString GetTextData(); |
| void ProcessTextChar(wchar_t ch); |
| void ProcessTargetData(); |
| |
| UnownedPtr<CFX_XMLNode> current_node_; |
| RetainPtr<CFX_SeekableStreamProxy> stream_; |
| DataVector<wchar_t> current_text_; |
| size_t xml_plane_size_ = 1024; |
| absl::optional<size_t> entity_start_; |
| }; |
| |
| #endif // CORE_FXCRT_XML_CFX_XMLPARSER_H_ |