// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
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#define XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
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#include <unordered_map>
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#include "core/fxcrt/include/fx_ext.h"
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#include "xfa/fde/css/fde_cssdeclaration.h"
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class CFDE_CSSSyntaxParser;
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class CFDE_CSSSelector : public CFX_Target {
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public:
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CFDE_CSSSelector(FDE_CSSSELECTORTYPE eType,
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const FX_WCHAR* psz,
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int32_t iLen,
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bool bIgnoreCase);
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virtual FDE_CSSSELECTORTYPE GetType() const;
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virtual uint32_t GetNameHash() const;
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virtual CFDE_CSSSelector* GetNextSelector() const;
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static CFDE_CSSSelector* FromString(IFX_MemoryAllocator* pStaticStore,
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const FX_WCHAR* psz,
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int32_t iLen);
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void SetNext(CFDE_CSSSelector* pNext) { m_pNext = pNext; }
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protected:
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void SetType(FDE_CSSSELECTORTYPE eType) { m_eType = eType; }
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FDE_CSSSELECTORTYPE m_eType;
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uint32_t m_dwHash;
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CFDE_CSSSelector* m_pNext;
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};
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typedef CFX_ArrayTemplate<CFDE_CSSSelector*> CFDE_CSSSelectorArray;
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class CFDE_CSSStyleRule : public IFDE_CSSStyleRule, public CFX_Target {
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public:
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CFDE_CSSStyleRule();
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// IFDE_CSSStyleRule
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int32_t CountSelectorLists() const override;
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CFDE_CSSSelector* GetSelectorList(int32_t index) const override;
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CFDE_CSSDeclaration* GetDeclaration() override;
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CFDE_CSSDeclaration& GetDeclImp() { return m_Declaration; }
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void SetSelector(IFX_MemoryAllocator* pStaticStore,
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const CFDE_CSSSelectorArray& list);
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protected:
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CFDE_CSSDeclaration m_Declaration;
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CFDE_CSSSelector** m_ppSelector;
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int32_t m_iSelectors;
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};
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class CFDE_CSSMediaRule : public IFDE_CSSMediaRule, public CFX_Target {
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public:
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explicit CFDE_CSSMediaRule(uint32_t dwMediaList);
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~CFDE_CSSMediaRule() override;
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// IFDE_CSSMediaRule
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uint32_t GetMediaList() const override;
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int32_t CountRules() const override;
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IFDE_CSSRule* GetRule(int32_t index) override;
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CFDE_CSSRuleArray& GetArray() { return m_RuleArray; }
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protected:
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uint32_t m_dwMediaList;
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CFDE_CSSRuleArray m_RuleArray;
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};
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class CFDE_CSSFontFaceRule : public IFDE_CSSFontFaceRule, public CFX_Target {
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public:
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// IFDE_CSSFontFaceRule
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CFDE_CSSDeclaration* GetDeclaration() override;
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CFDE_CSSDeclaration& GetDeclImp() { return m_Declaration; }
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protected:
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CFDE_CSSDeclaration m_Declaration;
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};
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#define FDE_CSSSWITCHDEFAULTS() \
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case FDE_CSSSYNTAXSTATUS_EOS: \
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return FDE_CSSSYNTAXSTATUS_EOS; \
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case FDE_CSSSYNTAXSTATUS_Error: \
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default: \
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return FDE_CSSSYNTAXSTATUS_Error;
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class CFDE_CSSStyleSheet : public IFDE_CSSStyleSheet, public CFX_Target {
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public:
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CFDE_CSSStyleSheet(uint32_t dwMediaList);
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~CFDE_CSSStyleSheet() override;
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// IFX_Retainable:
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uint32_t Retain() override;
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uint32_t Release() override;
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// IFDE_CSSStyleSheet:
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FX_BOOL GetUrl(CFX_WideString& szUrl) override;
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uint32_t GetMediaList() const override;
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uint16_t GetCodePage() const override;
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int32_t CountRules() const override;
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IFDE_CSSRule* GetRule(int32_t index) override;
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FX_BOOL LoadFromStream(const CFX_WideString& szUrl,
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IFX_Stream* pStream,
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uint16_t wCodePage);
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FX_BOOL LoadFromBuffer(const CFX_WideString& szUrl,
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const FX_WCHAR* pBuffer,
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int32_t iBufSize,
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uint16_t wCodePage);
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protected:
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void Reset();
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FX_BOOL LoadFromSyntax(CFDE_CSSSyntaxParser* pSyntax);
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FDE_CSSSYNTAXSTATUS LoadStyleRule(CFDE_CSSSyntaxParser* pSyntax,
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CFDE_CSSRuleArray& ruleArray);
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FDE_CSSSYNTAXSTATUS LoadImportRule(CFDE_CSSSyntaxParser* pSyntax);
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FDE_CSSSYNTAXSTATUS LoadPageRule(CFDE_CSSSyntaxParser* pSyntax);
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FDE_CSSSYNTAXSTATUS LoadMediaRule(CFDE_CSSSyntaxParser* pSyntax);
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FDE_CSSSYNTAXSTATUS LoadFontFaceRule(CFDE_CSSSyntaxParser* pSyntax,
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CFDE_CSSRuleArray& ruleArray);
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FDE_CSSSYNTAXSTATUS SkipRuleSet(CFDE_CSSSyntaxParser* pSyntax);
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uint16_t m_wCodePage;
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uint16_t m_wRefCount;
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uint32_t m_dwMediaList;
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IFX_MemoryAllocator* m_pAllocator;
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CFDE_CSSRuleArray m_RuleArray;
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CFX_WideString m_szUrl;
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CFDE_CSSSelectorArray m_Selectors;
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std::unordered_map<uint32_t, FX_WCHAR*> m_StringCache;
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};
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#endif // XFA_FDE_CSS_FDE_CSSSTYLESHEET_H_
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