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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 "core/fxcrt/fx_ext.h"
#include "xfa/fde/css/fde_cssdeclaration.h"
class CFDE_CSSSyntaxParser;
class CFDE_CSSSelector {
public:
CFDE_CSSSelector(FDE_CSSSelectorType eType,
const FX_WCHAR* psz,
int32_t iLen,
bool bIgnoreCase);
virtual FDE_CSSSelectorType GetType() const;
virtual uint32_t GetNameHash() const;
virtual CFDE_CSSSelector* GetNextSelector() const;
static CFDE_CSSSelector* FromString(const FX_WCHAR* psz, int32_t iLen);
void SetNext(CFDE_CSSSelector* pNext) { m_pNext = pNext; }
protected:
void SetType(FDE_CSSSelectorType eType) { m_eType = eType; }
FDE_CSSSelectorType m_eType;
uint32_t m_dwHash;
CFDE_CSSSelector* m_pNext;
};
class CFDE_CSSStyleRule : public IFDE_CSSRule {
public:
CFDE_CSSStyleRule();
// IFDE_CSSRule
FDE_CSSRuleType GetType() const override;
int32_t CountSelectorLists() const;
CFDE_CSSSelector* GetSelectorList(int32_t index) const;
CFDE_CSSDeclaration* GetDeclaration();
CFDE_CSSDeclaration& GetDeclImp() { return m_Declaration; }
void SetSelector(const CFX_ArrayTemplate<CFDE_CSSSelector*>& list);
private:
CFDE_CSSDeclaration m_Declaration;
CFDE_CSSSelector** m_ppSelector;
int32_t m_iSelectors;
};
class CFDE_CSSMediaRule : public IFDE_CSSRule {
public:
explicit CFDE_CSSMediaRule(uint32_t dwMediaList);
~CFDE_CSSMediaRule() override;
// IFDE_CSSValue
FDE_CSSRuleType GetType() const override;
uint32_t GetMediaList() const;
int32_t CountRules() const;
IFDE_CSSRule* GetRule(int32_t index);
CFX_MassArrayTemplate<IFDE_CSSRule*>& GetArray() { return m_RuleArray; }
protected:
uint32_t m_dwMediaList;
CFX_MassArrayTemplate<IFDE_CSSRule*> m_RuleArray;
};
class CFDE_CSSFontFaceRule : public IFDE_CSSRule {
public:
// IFDE_CSSRule.
FDE_CSSRuleType GetType() const override;
CFDE_CSSDeclaration& GetDeclImp() { 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);
bool GetUrl(CFX_WideString& szUrl);
uint32_t GetMediaList() const;
uint16_t GetCodePage() const;
int32_t CountRules() const;
IFDE_CSSRule* GetRule(int32_t index);
private:
void Reset();
bool LoadFromSyntax(CFDE_CSSSyntaxParser* pSyntax);
FDE_CSSSyntaxStatus LoadStyleRule(
CFDE_CSSSyntaxParser* pSyntax,
CFX_MassArrayTemplate<IFDE_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,
CFX_MassArrayTemplate<IFDE_CSSRule*>& ruleArray);
FDE_CSSSyntaxStatus SkipRuleSet(CFDE_CSSSyntaxParser* pSyntax);
uint16_t m_wCodePage;
uint16_t m_wRefCount;
uint32_t m_dwMediaList;
CFX_MassArrayTemplate<IFDE_CSSRule*> m_RuleArray;
CFX_WideString m_szUrl;
CFX_ArrayTemplate<CFDE_CSSSelector*> m_Selectors;
std::unordered_map<uint32_t, FX_WCHAR*> m_StringCache;
};
#endif // XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
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