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// Copyright 2014 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_FX_XML_H_
#define CORE_FXCRT_FX_XML_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_basic.h"
class CXML_AttrItem {
public:
bool Matches(const CFX_ByteString& space, const CFX_ByteString& name) const;
CFX_ByteString m_QSpaceName;
CFX_ByteString m_AttrName;
CFX_WideString m_Value;
};
class CXML_AttrMap {
public:
CXML_AttrMap();
~CXML_AttrMap();
const CFX_WideString* Lookup(const CFX_ByteString& space,
const CFX_ByteString& name) const;
int GetSize() const;
CXML_AttrItem& GetAt(int index) const;
void SetAt(const CFX_ByteString& space,
const CFX_ByteString& name,
const CFX_WideString& value);
std::unique_ptr<std::vector<CXML_AttrItem>> m_pMap;
};
class CXML_Content {
public:
CXML_Content() : m_bCDATA(false), m_Content() {}
void Set(bool bCDATA, const CFX_WideStringC& content) {
m_bCDATA = bCDATA;
m_Content = content;
}
bool m_bCDATA;
CFX_WideString m_Content;
};
class CXML_Element {
public:
enum ChildType { Invalid, Element, Content };
static CXML_Element* Parse(const void* pBuffer,
size_t size,
bool bSaveSpaceChars = false,
FX_FILESIZE* pParsedSize = nullptr);
static CXML_Element* Parse(IFX_SeekableReadStream* pFile,
bool bSaveSpaceChars = false,
FX_FILESIZE* pParsedSize = nullptr);
static CXML_Element* Parse(IFX_BufferRead* pBuffer,
bool bSaveSpaceChars = false,
FX_FILESIZE* pParsedSize = nullptr);
CXML_Element(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagName);
explicit CXML_Element(const CFX_ByteStringC& qTagName);
CXML_Element();
~CXML_Element();
void Empty();
CFX_ByteString GetTagName(bool bQualified = false) const;
CFX_ByteString GetNamespace(bool bQualified = false) const;
CFX_ByteString GetNamespaceURI(const CFX_ByteString& qName) const;
CXML_Element* GetParent() const { return m_pParent; }
uint32_t CountAttrs() const { return m_AttrMap.GetSize(); }
void GetAttrByIndex(int index,
CFX_ByteString& space,
CFX_ByteString& name,
CFX_WideString& value) const;
bool HasAttr(const CFX_ByteStringC& qName) const;
bool GetAttrValue(const CFX_ByteStringC& name,
CFX_WideString& attribute) const;
CFX_WideString GetAttrValue(const CFX_ByteStringC& name) const {
CFX_WideString attr;
GetAttrValue(name, attr);
return attr;
}
bool GetAttrValue(const CFX_ByteStringC& space,
const CFX_ByteStringC& name,
CFX_WideString& attribute) const;
CFX_WideString GetAttrValue(const CFX_ByteStringC& space,
const CFX_ByteStringC& name) const {
CFX_WideString attr;
GetAttrValue(space, name, attr);
return attr;
}
bool GetAttrInteger(const CFX_ByteStringC& name, int& attribute) const;
int GetAttrInteger(const CFX_ByteStringC& name) const {
int attr = 0;
GetAttrInteger(name, attr);
return attr;
}
bool GetAttrInteger(const CFX_ByteStringC& space,
const CFX_ByteStringC& name,
int& attribute) const;
int GetAttrInteger(const CFX_ByteStringC& space,
const CFX_ByteStringC& name) const {
int attr = 0;
GetAttrInteger(space, name, attr);
return attr;
}
bool GetAttrFloat(const CFX_ByteStringC& name, FX_FLOAT& attribute) const;
FX_FLOAT GetAttrFloat(const CFX_ByteStringC& name) const {
FX_FLOAT attr = 0;
GetAttrFloat(name, attr);
return attr;
}
bool GetAttrFloat(const CFX_ByteStringC& space,
const CFX_ByteStringC& name,
FX_FLOAT& attribute) const;
FX_FLOAT GetAttrFloat(const CFX_ByteStringC& space,
const CFX_ByteStringC& name) const {
FX_FLOAT attr = 0;
GetAttrFloat(space, name, attr);
return attr;
}
uint32_t CountChildren() const { return m_Children.size(); }
ChildType GetChildType(uint32_t index) const;
CFX_WideString GetContent(uint32_t index) const;
CXML_Element* GetElement(uint32_t index) const;
CXML_Element* GetElement(const CFX_ByteStringC& space,
const CFX_ByteStringC& tag) const {
return GetElement(space, tag, 0);
}
uint32_t CountElements(const CFX_ByteStringC& space,
const CFX_ByteStringC& tag) const;
CXML_Element* GetElement(const CFX_ByteStringC& space,
const CFX_ByteStringC& tag,
int index) const;
uint32_t FindElement(CXML_Element* pChild) const;
void SetTag(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagname);
void SetTag(const CFX_ByteStringC& qTagName);
void RemoveChildren();
void RemoveChild(uint32_t index);
protected:
struct ChildRecord {
ChildType type;
void* child; // CXML_Element and CXML_Content lack a common ancestor.
};
CXML_Element* m_pParent;
CFX_ByteString m_QSpaceName;
CFX_ByteString m_TagName;
CXML_AttrMap m_AttrMap;
std::vector<ChildRecord> m_Children;
friend class CXML_Parser;
friend class CXML_Composer;
};
#endif // CORE_FXCRT_FX_XML_H_
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