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-rw-r--r--core/fxcrt/xml/cfx_xmlsyntaxparser.h128
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diff --git a/core/fxcrt/xml/cfx_xmlsyntaxparser.h b/core/fxcrt/xml/cfx_xmlsyntaxparser.h
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+++ b/core/fxcrt/xml/cfx_xmlsyntaxparser.h
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+// Copyright 2017 PDFium Authors. All rights reserved.
+// 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_XMLSYNTAXPARSER_H_
+#define CORE_FXCRT_XML_CFX_XMLSYNTAXPARSER_H_
+
+#include <stack>
+#include <vector>
+
+#include "core/fxcrt/cfx_blockbuffer.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/cfx_seekablestreamproxy.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/xml/cfx_xmlnode.h"
+
+enum class FX_XmlSyntaxResult {
+ None,
+ InstructionOpen,
+ InstructionClose,
+ ElementOpen,
+ ElementBreak,
+ ElementClose,
+ TargetName,
+ TagName,
+ AttriName,
+ AttriValue,
+ Text,
+ CData,
+ TargetData,
+ Error,
+ EndOfString
+};
+
+class CFX_XMLSyntaxParser {
+ public:
+ explicit CFX_XMLSyntaxParser(
+ const CFX_RetainPtr<CFX_SeekableStreamProxy>& pStream);
+ ~CFX_XMLSyntaxParser();
+
+ FX_XmlSyntaxResult DoSyntaxParse();
+
+ int32_t GetStatus() const;
+ FX_FILESIZE GetCurrentPos() const { return m_ParsedChars + m_Start; }
+ FX_FILESIZE GetCurrentBinaryPos() const;
+ int32_t GetCurrentNodeNumber() const { return m_iCurrentNodeNum; }
+ int32_t GetLastNodeNumber() const { return m_iLastNodeNum; }
+
+ CFX_WideString GetTargetName() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ CFX_WideString GetTagName() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ CFX_WideString GetAttributeName() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ CFX_WideString GetAttributeValue() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ CFX_WideString GetTextData() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ CFX_WideString GetTargetData() const {
+ return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+ }
+
+ protected:
+ enum class FDE_XmlSyntaxState {
+ Text,
+ Node,
+ Target,
+ Tag,
+ AttriName,
+ AttriEqualSign,
+ AttriQuotation,
+ AttriValue,
+ Entity,
+ EntityDecimal,
+ EntityHex,
+ CloseInstruction,
+ BreakElement,
+ CloseElement,
+ SkipDeclNode,
+ DeclCharData,
+ SkipComment,
+ SkipCommentOrDecl,
+ SkipCData,
+ TargetData
+ };
+
+ void ParseTextChar(wchar_t ch);
+
+ CFX_RetainPtr<CFX_SeekableStreamProxy> m_pStream;
+ FX_STRSIZE m_iXMLPlaneSize;
+ int32_t m_iCurrentPos;
+ int32_t m_iCurrentNodeNum;
+ int32_t m_iLastNodeNum;
+ int32_t m_iParsedBytes;
+ FX_FILESIZE m_ParsedChars;
+ std::vector<wchar_t> m_Buffer;
+ int32_t m_iBufferChars;
+ bool m_bEOS;
+ FX_FILESIZE m_Start; // Start position in m_Buffer
+ FX_FILESIZE m_End; // End position in m_Buffer
+ FX_XMLNODE m_CurNode;
+ std::stack<FX_XMLNODE> m_XMLNodeStack;
+ CFX_BlockBuffer m_BlockBuffer;
+ int32_t m_iAllocStep;
+ wchar_t* m_pCurrentBlock; // Pointer into CFX_BlockBuffer
+ int32_t m_iIndexInBlock;
+ int32_t m_iTextDataLength;
+ FX_XmlSyntaxResult m_syntaxParserResult;
+ FDE_XmlSyntaxState m_syntaxParserState;
+ wchar_t m_wQuotationMark;
+ int32_t m_iEntityStart;
+ std::stack<wchar_t> m_SkipStack;
+ wchar_t m_SkipChar;
+};
+
+#endif // CORE_FXCRT_XML_CFX_XMLSYNTAXPARSER_H_