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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_CSSSTYLESELECTOR_H_
#define XFA_FDE_CSS_FDE_CSSSTYLESELECTOR_H_
#include <memory>
#include <vector>
#include "core/fxcrt/include/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"
#include "xfa/fgas/crt/fgas_system.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_