| // 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_CSSSTYLESELECTOR_H_ |
| #define XFA_FDE_CSS_FDE_CSSSTYLESELECTOR_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_ext.h" |
| #include "xfa/fde/css/fde_css.h" |
| #include "xfa/fde/css/fde_csscache.h" |
| #include "xfa/fde/css/fde_cssdeclaration.h" |
| #include "xfa/fgas/crt/fgas_memory.h" |
| |
| class CFDE_CSSAccelerator; |
| class CFDE_CSSComputedStyle; |
| class CXFA_CSSTagProvider; |
| |
| class FDE_CSSRuleData : public CFX_Target { |
| public: |
| FDE_CSSRuleData(CFDE_CSSSelector* pSel, |
| CFDE_CSSDeclaration* pDecl, |
| uint32_t dwPos); |
| |
| CFDE_CSSSelector* const pSelector; |
| CFDE_CSSDeclaration* const pDeclaration; |
| uint32_t dwPriority; |
| FDE_CSSRuleData* pNext; |
| }; |
| |
| class CFDE_CSSRuleCollection : public CFX_Target { |
| public: |
| CFDE_CSSRuleCollection(); |
| ~CFDE_CSSRuleCollection() override; |
| |
| void AddRulesFrom(const CFDE_CSSStyleSheetArray& sheets, |
| uint32_t dwMediaList, |
| IFGAS_FontMgr* pFontMgr); |
| void Clear(); |
| |
| int32_t CountSelectors() const { return m_iSelectors; } |
| FDE_CSSRuleData* GetIDRuleData(uint32_t dwIDHash) { |
| void* pData; |
| return m_IDRules.Lookup((void*)(uintptr_t)dwIDHash, pData) |
| ? (FDE_CSSRuleData*)pData |
| : nullptr; |
| } |
| FDE_CSSRuleData* GetTagRuleData(uint32_t dwTagHasn) { |
| void* pData; |
| return m_TagRules.Lookup((void*)(uintptr_t)dwTagHasn, pData) |
| ? (FDE_CSSRuleData*)pData |
| : nullptr; |
| } |
| FDE_CSSRuleData* GetClassRuleData(uint32_t dwIDHash) { |
| void* pData; |
| return m_ClassRules.Lookup((void*)(uintptr_t)dwIDHash, pData) |
| ? (FDE_CSSRuleData*)pData |
| : nullptr; |
| } |
| FDE_CSSRuleData* GetUniversalRuleData() { return m_pUniversalRules; } |
| FDE_CSSRuleData* GetPersudoRuleData() { return m_pPersudoRules; } |
| |
| IFX_MemoryAllocator* m_pStaticStore; |
| |
| protected: |
| void AddRulesFrom(IFDE_CSSStyleSheet* pStyleSheet, |
| IFDE_CSSRule* pRule, |
| uint32_t dwMediaList, |
| IFGAS_FontMgr* pFontMgr); |
| void AddRuleTo(CFX_MapPtrToPtr& map, |
| uint32_t dwKey, |
| CFDE_CSSSelector* pSel, |
| CFDE_CSSDeclaration* pDecl); |
| FX_BOOL AddRuleTo(FDE_CSSRuleData*& pList, FDE_CSSRuleData* pData); |
| FDE_CSSRuleData* NewRuleData(CFDE_CSSSelector* pSel, |
| CFDE_CSSDeclaration* pDecl); |
| CFX_MapPtrToPtr m_IDRules; |
| CFX_MapPtrToPtr m_TagRules; |
| CFX_MapPtrToPtr m_ClassRules; |
| FDE_CSSRuleData* m_pUniversalRules; |
| FDE_CSSRuleData* m_pPersudoRules; |
| int32_t m_iSelectors; |
| }; |
| |
| class CFDE_CSSStyleSelector : public CFX_Target { |
| public: |
| explicit CFDE_CSSStyleSelector(IFGAS_FontMgr* pFontMgr); |
| ~CFDE_CSSStyleSelector() override; |
| |
| void SetDefFontSize(FX_FLOAT fFontSize); |
| |
| FX_BOOL SetStyleSheet(FDE_CSSSTYLESHEETGROUP eType, |
| IFDE_CSSStyleSheet* pSheet); |
| FX_BOOL SetStyleSheets(FDE_CSSSTYLESHEETGROUP eType, |
| const CFDE_CSSStyleSheetArray* pArray); |
| void SetStylePriority(FDE_CSSSTYLESHEETGROUP eType, |
| FDE_CSSSTYLESHEETPRIORITY ePriority); |
| void UpdateStyleIndex(uint32_t dwMediaList); |
| CFDE_CSSAccelerator* InitAccelerator(); |
| IFDE_CSSComputedStyle* CreateComputedStyle( |
| IFDE_CSSComputedStyle* pParentStyle); |
| int32_t MatchDeclarations(CXFA_CSSTagProvider* pTag, |
| CFDE_CSSDeclarationArray& matchedDecls, |
| FDE_CSSPERSUDO ePersudoType = FDE_CSSPERSUDO_NONE); |
| void ComputeStyle(CXFA_CSSTagProvider* pTag, |
| const CFDE_CSSDeclaration** ppDeclArray, |
| int32_t iDeclCount, |
| IFDE_CSSComputedStyle* pDestStyle); |
| |
| protected: |
| void Reset(); |
| void MatchRules(FDE_CSSTagCache* pCache, |
| FDE_CSSRuleData* pList, |
| FDE_CSSPERSUDO ePersudoType); |
| FX_BOOL MatchSelector(FDE_CSSTagCache* pCache, |
| CFDE_CSSSelector* pSel, |
| FDE_CSSPERSUDO ePersudoType); |
| void AppendInlineStyle(CFDE_CSSDeclaration* pDecl, |
| const FX_WCHAR* psz, |
| int32_t iLen); |
| void ApplyDeclarations(FX_BOOL bPriority, |
| const CFDE_CSSDeclaration** ppDeclArray, |
| int32_t iDeclCount, |
| IFDE_CSSComputedStyle* pDestStyle); |
| void ApplyProperty(FDE_CSSPROPERTY eProperty, |
| IFDE_CSSValue* pValue, |
| CFDE_CSSComputedStyle* pComputedStyle); |
| |
| FX_FLOAT ApplyNumber(FDE_CSSPRIMITIVETYPE eUnit, |
| FX_FLOAT fValue, |
| FX_FLOAT fPercentBase); |
| FX_BOOL SetLengthWithPercent(FDE_CSSLENGTH& width, |
| FDE_CSSPRIMITIVETYPE eType, |
| IFDE_CSSPrimitiveValue* pPrimitive, |
| FX_FLOAT fFontSize); |
| FX_FLOAT ToFontSize(FDE_CSSPROPERTYVALUE eValue, FX_FLOAT fCurFontSize); |
| FDE_CSSDISPLAY ToDisplay(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSTEXTALIGN ToTextAlign(FDE_CSSPROPERTYVALUE eValue); |
| uint16_t ToFontWeight(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSFONTSTYLE ToFontStyle(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSBORDERSTYLE ToBorderStyle(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSVERTICALALIGN ToVerticalAlign(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSLISTSTYLETYPE ToListStyleType(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSLISTSTYLEPOSITION ToListStylePosition(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSVISIBILITY ToVisibility(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSWHITESPACE ToWhiteSpace(FDE_CSSPROPERTYVALUE eValue); |
| uint32_t ToTextDecoration(IFDE_CSSValueList* pList); |
| FDE_CSSTEXTTRANSFORM ToTextTransform(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSFONTVARIANT ToFontVariant(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSFLOAT ToFloat(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSCLEAR ToClear(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSWRITINGMODE ToWritingMode(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSWORDBREAK ToWordBreak(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSPAGEBREAK ToPageBreak(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSOVERFLOW ToOverflow(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSLINEBREAK ToLineBreak(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSTEXTCOMBINE ToTextCombine(FDE_CSSPROPERTYVALUE eValue); |
| FX_BOOL ToTextEmphasisMark(FDE_CSSPROPERTYVALUE eValue, |
| FDE_CSSTEXTEMPHASISMARK& eMark); |
| FX_BOOL ToTextEmphasisFill(FDE_CSSPROPERTYVALUE eValue, |
| FDE_CSSTEXTEMPHASISFILL& eFill); |
| FDE_CSSCURSOR ToCursor(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSPOSITION ToPosition(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSCAPTIONSIDE ToCaptionSide(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSBKGREPEAT ToBKGRepeat(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSBKGATTACHMENT ToBKGAttachment(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSRUBYALIGN ToRubyAlign(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSRUBYOVERHANG ToRubyOverhang(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSRUBYPOSITION ToRubyPosition(FDE_CSSPROPERTYVALUE eValue); |
| FDE_CSSRUBYSPAN ToRubySpan(FDE_CSSPROPERTYVALUE eValue); |
| |
| IFGAS_FontMgr* const m_pFontMgr; |
| FX_FLOAT m_fDefFontSize; |
| std::unique_ptr<IFX_MemoryAllocator> m_pRuleDataStore; |
| CFDE_CSSStyleSheetArray m_SheetGroups[FDE_CSSSTYLESHEETGROUP_MAX]; |
| CFDE_CSSRuleCollection m_RuleCollection[FDE_CSSSTYLESHEETGROUP_MAX]; |
| FDE_CSSSTYLESHEETGROUP m_ePriorities[FDE_CSSSTYLESHEETPRIORITY_MAX]; |
| std::unique_ptr<IFX_MemoryAllocator> m_pInlineStyleStore; |
| std::unique_ptr<IFX_MemoryAllocator> m_pFixedStyleStore; |
| std::unique_ptr<CFDE_CSSAccelerator> m_pAccelerator; |
| std::vector<FDE_CSSRuleData*> m_MatchedRules; |
| }; |
| |
| struct FDE_CSSCOUNTERDATA { |
| public: |
| FDE_CSSCOUNTERDATA() { FXSYS_memset(this, 0, sizeof(FDE_CSSCOUNTERDATA)); } |
| FX_BOOL GetCounterIncrement(int32_t& iValue) { |
| iValue = m_iIncVal; |
| return m_bIncrement; |
| } |
| FX_BOOL GetCounterReset(int32_t& iValue) { |
| iValue = m_iResetVal; |
| return m_bReset; |
| } |
| |
| const FX_WCHAR* m_pszIdent; |
| FX_BOOL m_bIncrement; |
| FX_BOOL m_bReset; |
| int32_t m_iIncVal; |
| int32_t m_iResetVal; |
| }; |
| |
| class CFDE_CSSCounterStyle { |
| public: |
| CFDE_CSSCounterStyle(); |
| ~CFDE_CSSCounterStyle(); |
| |
| void SetCounterIncrementList(IFDE_CSSValueList* pList) { |
| m_pCounterInc = pList; |
| m_bIndexDirty = TRUE; |
| } |
| void SetCounterResetList(IFDE_CSSValueList* pList) { |
| m_pCounterReset = pList; |
| m_bIndexDirty = TRUE; |
| } |
| int32_t CountCounters() { |
| UpdateIndex(); |
| return m_arrCounterData.GetSize(); |
| } |
| FX_BOOL GetCounterIncrement(int32_t index, int32_t& iValue) { |
| UpdateIndex(); |
| return m_arrCounterData.ElementAt(index).GetCounterIncrement(iValue); |
| } |
| FX_BOOL GetCounterReset(int32_t index, int32_t& iValue) { |
| UpdateIndex(); |
| return m_arrCounterData.ElementAt(index).GetCounterReset(iValue); |
| } |
| const FX_WCHAR* GetCounterIdentifier(int32_t index) { |
| UpdateIndex(); |
| return m_arrCounterData.ElementAt(index).m_pszIdent; |
| } |
| |
| protected: |
| void UpdateIndex(); |
| void DoUpdateIndex(IFDE_CSSValueList* pList); |
| int32_t FindIndex(const FX_WCHAR* pszIdentifier); |
| |
| IFDE_CSSValueList* m_pCounterInc; |
| IFDE_CSSValueList* m_pCounterReset; |
| CFX_ArrayTemplate<FDE_CSSCOUNTERDATA> m_arrCounterData; |
| FX_BOOL m_bIndexDirty; |
| }; |
| |
| class CFDE_CSSInheritedData { |
| public: |
| CFDE_CSSInheritedData(); |
| |
| void Reset(); |
| |
| const FX_WCHAR* m_pszListStyleImage; |
| FDE_CSSLENGTH m_LetterSpacing; |
| FDE_CSSLENGTH m_WordSpacing; |
| FDE_CSSLENGTH m_TextIndent; |
| IFDE_CSSValueList* m_pFontFamily; |
| IFDE_CSSValueList* m_pQuotes; |
| IFDE_CSSValueList* m_pCursorUris; |
| FDE_CSSCURSOR m_eCursor; |
| FX_FLOAT m_fFontSize; |
| FX_FLOAT m_fLineHeight; |
| FX_ARGB m_dwFontColor; |
| FX_ARGB m_dwTextEmphasisColor; |
| uint16_t m_wFontWeight; |
| int32_t m_iWidows; |
| int32_t m_iOrphans; |
| const FX_WCHAR* m_pszTextEmphasisCustomMark; |
| uint32_t m_eFontVariant : 1; |
| uint32_t m_eFontStyle : 1; |
| uint32_t m_bTextEmphasisColorCurrent : 1; |
| uint32_t m_eTextAligh : 2; |
| uint32_t m_eVisibility : 2; |
| uint32_t m_eWhiteSpace : 3; |
| uint32_t m_eTextTransform : 2; |
| uint32_t m_eWritingMode : 2; |
| uint32_t m_eWordBreak : 2; |
| uint32_t m_eLineBreak : 2; |
| uint32_t m_eTextEmphasisFill : 1; |
| uint32_t m_eTextEmphasisMark : 3; |
| uint32_t m_eCaptionSide : 3; |
| uint8_t m_eRubyAlign : 4; |
| uint8_t m_eRubyOverhang : 2; |
| uint8_t m_eRubyPosition : 2; |
| }; |
| |
| class CFDE_CSSNonInheritedData { |
| public: |
| CFDE_CSSNonInheritedData(); |
| |
| void Reset(); |
| |
| IFDE_CSSValueList* m_pContentList; |
| CFDE_CSSCounterStyle* m_pCounterStyle; |
| FDE_CSSRECT m_MarginWidth; |
| FDE_CSSRECT m_BorderWidth; |
| FDE_CSSRECT m_PaddingWidth; |
| FDE_CSSSIZE m_BoxSize; |
| FDE_CSSSIZE m_MinBoxSize; |
| FDE_CSSSIZE m_MaxBoxSize; |
| FDE_CSSPOINT m_BKGPosition; |
| const FX_WCHAR* m_pszBKGImage; |
| FX_ARGB m_dwBKGColor; |
| FX_ARGB m_dwBDRLeftColor; |
| FX_ARGB m_dwBDRTopColor; |
| FX_ARGB m_dwBDRRightColor; |
| FX_ARGB m_dwBDRBottomColor; |
| IFDE_CSSValue* m_pRubySpan; |
| FDE_CSSLENGTH m_ColumnCount; |
| FDE_CSSLENGTH m_ColumnGap; |
| FDE_CSSLENGTH m_ColumnRuleWidth; |
| FDE_CSSLENGTH m_ColumnWidth; |
| FX_ARGB m_dwColumnRuleColor; |
| FDE_CSSLENGTH m_Top; |
| FDE_CSSLENGTH m_Bottom; |
| FDE_CSSLENGTH m_Left; |
| FDE_CSSLENGTH m_Right; |
| |
| FX_FLOAT m_fVerticalAlign; |
| FX_FLOAT m_fTextCombineNumber; |
| uint32_t m_eBDRLeftStyle : 4; |
| uint32_t m_eBDRTopStyle : 4; |
| uint32_t m_eBDRRightStyle : 4; |
| uint32_t m_eBDRBottomStyle : 4; |
| uint32_t m_eDisplay : 5; |
| uint32_t m_eVerticalAlign : 4; |
| uint32_t m_eListStyleType : 5; |
| uint32_t m_eColumnRuleStyle : 4; |
| uint32_t m_ePageBreakInside : 3; |
| uint32_t m_ePageBreakAfter : 3; |
| uint32_t m_ePageBreakBefore : 3; |
| uint32_t m_ePosition : 2; |
| uint32_t m_eBKGRepeat : 2; |
| uint32_t m_eFloat : 2; |
| uint32_t m_eClear : 2; |
| uint32_t m_eOverflowX : 3; |
| uint32_t m_eOverflowY : 3; |
| uint32_t m_eListStylePosition : 1; |
| uint32_t m_eBKGAttachment : 1; |
| uint32_t m_bHasMargin : 1; |
| uint32_t m_bHasBorder : 1; |
| uint32_t m_bHasPadding : 1; |
| uint32_t m_dwTextDecoration : 5; |
| uint32_t m_eTextCombine : 1; |
| uint32_t m_bColumnRuleColorSame : 1; |
| uint32_t m_bHasTextCombineNumber : 1; |
| }; |
| |
| class CFDE_CSSComputedStyle : public IFDE_CSSComputedStyle, |
| public IFDE_CSSBoundaryStyle, |
| public IFDE_CSSFontStyle, |
| public IFDE_CSSPositionStyle, |
| public IFDE_CSSParagraphStyle, |
| public CFX_Target { |
| public: |
| CFDE_CSSComputedStyle(IFX_MemoryAllocator* pAlloc); |
| ~CFDE_CSSComputedStyle() override; |
| |
| // IFX_Retainable |
| uint32_t Retain() override; |
| uint32_t Release() override; |
| |
| // IFDE_CSSComputedStyle |
| void Reset() override; |
| IFDE_CSSFontStyle* GetFontStyles() override; |
| IFDE_CSSBoundaryStyle* GetBoundaryStyles() override; |
| IFDE_CSSPositionStyle* GetPositionStyles() override; |
| IFDE_CSSParagraphStyle* GetParagraphStyles() override; |
| FX_BOOL GetCustomStyle(const CFX_WideStringC& wsName, |
| CFX_WideString& wsValue) const override; |
| |
| // IFDE_CSSFontStyle: |
| int32_t CountFontFamilies() const override; |
| const FX_WCHAR* GetFontFamily(int32_t index) const override; |
| uint16_t GetFontWeight() const override; |
| FDE_CSSFONTVARIANT GetFontVariant() const override; |
| FDE_CSSFONTSTYLE GetFontStyle() const override; |
| FX_FLOAT GetFontSize() const override; |
| FX_ARGB GetColor() const override; |
| void SetFontWeight(uint16_t wFontWeight) override; |
| void SetFontVariant(FDE_CSSFONTVARIANT eFontVariant) override; |
| void SetFontStyle(FDE_CSSFONTSTYLE eFontStyle) override; |
| void SetFontSize(FX_FLOAT fFontSize) override; |
| void SetColor(FX_ARGB dwFontColor) override; |
| |
| // IFDE_CSSBoundaryStyle: |
| const FDE_CSSRECT* GetBorderWidth() const override; |
| const FDE_CSSRECT* GetMarginWidth() const override; |
| const FDE_CSSRECT* GetPaddingWidth() const override; |
| void SetMarginWidth(const FDE_CSSRECT& rect) override; |
| void SetPaddingWidth(const FDE_CSSRECT& rect) override; |
| |
| // IFDE_CSSPositionStyle: |
| FDE_CSSDISPLAY GetDisplay() const override; |
| |
| // IFDE_CSSParagraphStyle: |
| FX_FLOAT GetLineHeight() const override; |
| const FDE_CSSLENGTH& GetTextIndent() const override; |
| FDE_CSSTEXTALIGN GetTextAlign() const override; |
| FDE_CSSVERTICALALIGN GetVerticalAlign() const override; |
| FX_FLOAT GetNumberVerticalAlign() const override; |
| uint32_t GetTextDecoration() const override; |
| const FDE_CSSLENGTH& GetLetterSpacing() const override; |
| void SetLineHeight(FX_FLOAT fLineHeight) override; |
| void SetTextIndent(const FDE_CSSLENGTH& textIndent) override; |
| void SetTextAlign(FDE_CSSTEXTALIGN eTextAlign) override; |
| void SetNumberVerticalAlign(FX_FLOAT fAlign) override; |
| void SetTextDecoration(uint32_t dwTextDecoration) override; |
| void SetLetterSpacing(const FDE_CSSLENGTH& letterSpacing) override; |
| void AddCustomStyle(const CFX_WideString& wsName, |
| const CFX_WideString& wsValue); |
| |
| uint32_t m_dwRefCount; |
| IFX_MemoryAllocator* const m_pAllocator; |
| CFDE_CSSInheritedData m_InheritedData; |
| CFDE_CSSNonInheritedData m_NonInheritedData; |
| CFX_WideStringArray m_CustomProperties; |
| }; |
| |
| #endif // XFA_FDE_CSS_FDE_CSSSTYLESELECTOR_H_ |
