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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 XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
#define XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
#include <memory>
#include <unordered_map>
#include <utility>
#include <vector>
#include "core/fxcrt/fx_ext.h"
#include "xfa/fde/css/cfde_cssrule.h"
#include "xfa/fde/css/fde_cssdeclaration.h"
class CFDE_CSSSyntaxParser;
class CFDE_CSSSelector {
public:
static std::unique_ptr<CFDE_CSSSelector> FromString(const FX_WCHAR* psz,
int32_t iLen);
CFDE_CSSSelector(FDE_CSSSelectorType eType,
const FX_WCHAR* psz,
int32_t iLen,
bool bIgnoreCase);
~CFDE_CSSSelector();
FDE_CSSSelectorType GetType() const;
uint32_t GetNameHash() const;
CFDE_CSSSelector* GetNextSelector() const;
std::unique_ptr<CFDE_CSSSelector> ReleaseNextSelector();
void SetNext(std::unique_ptr<CFDE_CSSSelector> pNext) {
m_pNext = std::move(pNext);
}
protected:
void SetType(FDE_CSSSelectorType eType) { m_eType = eType; }
FDE_CSSSelectorType m_eType;
uint32_t m_dwHash;
std::unique_ptr<CFDE_CSSSelector> m_pNext;
};
class CFDE_CSSStyleRule : public CFDE_CSSRule {
public:
CFDE_CSSStyleRule();
~CFDE_CSSStyleRule() override;
size_t CountSelectorLists() const;
CFDE_CSSSelector* GetSelectorList(int32_t index) const;
CFDE_CSSDeclaration* GetDeclaration();
void SetSelector(std::vector<std::unique_ptr<CFDE_CSSSelector>>* list);
private:
CFDE_CSSDeclaration m_Declaration;
std::vector<std::unique_ptr<CFDE_CSSSelector>> m_ppSelector;
};
class CFDE_CSSMediaRule : public CFDE_CSSRule {
public:
explicit CFDE_CSSMediaRule(uint32_t dwMediaList);
~CFDE_CSSMediaRule() override;
uint32_t GetMediaList() const;
int32_t CountRules() const;
CFDE_CSSRule* GetRule(int32_t index);
std::vector<std::unique_ptr<CFDE_CSSRule>>& GetArray() { return m_RuleArray; }
protected:
uint32_t m_dwMediaList;
std::vector<std::unique_ptr<CFDE_CSSRule>> m_RuleArray;
};
class CFDE_CSSFontFaceRule : public CFDE_CSSRule {
public:
CFDE_CSSFontFaceRule();
~CFDE_CSSFontFaceRule() override;
CFDE_CSSDeclaration* GetDeclaration() { return &m_Declaration; }
private:
CFDE_CSSDeclaration m_Declaration;
};
class CFDE_CSSStyleSheet : public IFX_Retainable {
public:
CFDE_CSSStyleSheet();
~CFDE_CSSStyleSheet() override;
// IFX_Retainable:
uint32_t Retain() override;
uint32_t Release() override;
bool LoadFromBuffer(const FX_WCHAR* pBuffer, int32_t iBufSize);
uint32_t GetMediaList() const;
int32_t CountRules() const;
CFDE_CSSRule* GetRule(int32_t index);
private:
void Reset();
bool LoadFromSyntax(CFDE_CSSSyntaxParser* pSyntax);
FDE_CSSSyntaxStatus LoadStyleRule(
CFDE_CSSSyntaxParser* pSyntax,
std::vector<std::unique_ptr<CFDE_CSSRule>>* ruleArray);
FDE_CSSSyntaxStatus LoadImportRule(CFDE_CSSSyntaxParser* pSyntax);
FDE_CSSSyntaxStatus LoadPageRule(CFDE_CSSSyntaxParser* pSyntax);
FDE_CSSSyntaxStatus LoadMediaRule(CFDE_CSSSyntaxParser* pSyntax);
FDE_CSSSyntaxStatus LoadFontFaceRule(
CFDE_CSSSyntaxParser* pSyntax,
std::vector<std::unique_ptr<CFDE_CSSRule>>* ruleArray);
FDE_CSSSyntaxStatus SkipRuleSet(CFDE_CSSSyntaxParser* pSyntax);
uint16_t m_wRefCount;
uint32_t m_dwMediaList;
std::vector<std::unique_ptr<CFDE_CSSRule>> m_RuleArray;
std::unordered_map<uint32_t, FX_WCHAR*> m_StringCache;
};
#endif // XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
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