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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 CFX_Target {
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(IFX_MemoryAllocator* pStaticStore,
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_CSSStyleRule, public CFX_Target {
public:
CFDE_CSSStyleRule();
// IFDE_CSSStyleRule
int32_t CountSelectorLists() const override;
CFDE_CSSSelector* GetSelectorList(int32_t index) const override;
CFDE_CSSDeclaration* GetDeclaration() override;
CFDE_CSSDeclaration& GetDeclImp() { return m_Declaration; }
void SetSelector(IFX_MemoryAllocator* pStaticStore,
const CFX_ArrayTemplate<CFDE_CSSSelector*>& list);
protected:
CFDE_CSSDeclaration m_Declaration;
CFDE_CSSSelector** m_ppSelector;
int32_t m_iSelectors;
};
class CFDE_CSSMediaRule : public IFDE_CSSMediaRule, public CFX_Target {
public:
explicit CFDE_CSSMediaRule(uint32_t dwMediaList);
~CFDE_CSSMediaRule() override;
// IFDE_CSSMediaRule
uint32_t GetMediaList() const override;
int32_t CountRules() const override;
IFDE_CSSRule* GetRule(int32_t index) override;
CFX_MassArrayTemplate<IFDE_CSSRule*>& GetArray() { return m_RuleArray; }
protected:
uint32_t m_dwMediaList;
CFX_MassArrayTemplate<IFDE_CSSRule*> m_RuleArray;
};
class CFDE_CSSFontFaceRule : public IFDE_CSSFontFaceRule, public CFX_Target {
public:
// IFDE_CSSFontFaceRule
CFDE_CSSDeclaration* GetDeclaration() override;
CFDE_CSSDeclaration& GetDeclImp() { return m_Declaration; }
protected:
CFDE_CSSDeclaration m_Declaration;
};
#define FDE_CSSSWITCHDEFAULTS() \
case FDE_CSSSYNTAXSTATUS_EOS: \
return FDE_CSSSYNTAXSTATUS_EOS; \
case FDE_CSSSYNTAXSTATUS_Error: \
default: \
return FDE_CSSSYNTAXSTATUS_Error;
class CFDE_CSSStyleSheet : public IFDE_CSSStyleSheet, public CFX_Target {
public:
explicit CFDE_CSSStyleSheet(uint32_t dwMediaList);
~CFDE_CSSStyleSheet() override;
// IFX_Retainable:
uint32_t Retain() override;
uint32_t Release() override;
// IFDE_CSSStyleSheet:
bool GetUrl(CFX_WideString& szUrl) override;
uint32_t GetMediaList() const override;
uint16_t GetCodePage() const override;
int32_t CountRules() const override;
IFDE_CSSRule* GetRule(int32_t index) override;
bool LoadFromStream(const CFX_WideString& szUrl,
const CFX_RetainPtr<IFGAS_Stream>& pStream,
uint16_t wCodePage);
bool LoadFromBuffer(const CFX_WideString& szUrl,
const FX_WCHAR* pBuffer,
int32_t iBufSize,
uint16_t wCodePage);
protected:
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;
std::unique_ptr<IFX_MemoryAllocator> m_pAllocator;
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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