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// Copyright 2016 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_XMLPARSER_H_
#define CORE_FXCRT_XML_CFX_XMLPARSER_H_
#include <memory>
#include <stack>
#include <vector>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
class CFX_XMLDocument;
class CFX_XMLElement;
class CFX_XMLNode;
class IFX_SeekableReadStream;
class CFX_XMLParser {
public:
static bool IsXMLNameChar(wchar_t ch, bool bFirstChar);
explicit CFX_XMLParser(const RetainPtr<IFX_SeekableReadStream>& pStream);
virtual ~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();
CFX_XMLNode* current_node_ = nullptr;
RetainPtr<IFX_SeekableReadStream> m_pStream;
std::vector<wchar_t> current_text_;
size_t m_iXMLPlaneSize = 1024;
int32_t m_iEntityStart = -1;
};
#endif // CORE_FXCRT_XML_CFX_XMLPARSER_H_
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