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// Copyright 2017 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 CORE_FXCRT_CSS_CFX_CSSSTYLESELECTOR_H_
#define CORE_FXCRT_CSS_CFX_CSSSTYLESELECTOR_H_
#include <memory>
#include <vector>
#include "core/fxcrt/css/cfx_css.h"
#include "core/fxcrt/css/cfx_cssrulecollection.h"
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_system.h"
class CFX_CSSComputedStyle;
class CFX_CSSCustomProperty;
class CFX_CSSDeclaration;
class CFX_CSSPropertyHolder;
class CFX_CSSSelector;
class CFX_CSSStyleSheet;
class CFX_CSSValue;
class CFX_CSSValueList;
class CFX_CSSStyleSelector {
public:
CFX_CSSStyleSelector();
~CFX_CSSStyleSelector();
void SetDefFontSize(float fFontSize);
void SetUAStyleSheet(std::unique_ptr<CFX_CSSStyleSheet> pSheet);
void UpdateStyleIndex();
CFX_RetainPtr<CFX_CSSComputedStyle> CreateComputedStyle(
CFX_CSSComputedStyle* pParentStyle);
// Note, the dest style has to be an out param because the CXFA_TextParser
// adds non-inherited data from the parent style. Attempting to copy
// internally will fail as you'll lose the non-inherited data.
void ComputeStyle(const std::vector<const CFX_CSSDeclaration*>& declArray,
const CFX_WideString& styleString,
const CFX_WideString& alignString,
CFX_CSSComputedStyle* pDestStyle);
std::vector<const CFX_CSSDeclaration*> MatchDeclarations(
const CFX_WideString& tagname);
private:
bool MatchSelector(const CFX_WideString& tagname, CFX_CSSSelector* pSel);
void AppendInlineStyle(CFX_CSSDeclaration* pDecl,
const CFX_WideString& style);
void ApplyDeclarations(
const std::vector<const CFX_CSSDeclaration*>& declArray,
const CFX_CSSDeclaration* extraDecl,
CFX_CSSComputedStyle* pDestStyle);
void ApplyProperty(CFX_CSSProperty eProperty,
const CFX_RetainPtr<CFX_CSSValue>& pValue,
CFX_CSSComputedStyle* pComputedStyle);
void ExtractValues(const CFX_CSSDeclaration* decl,
std::vector<const CFX_CSSPropertyHolder*>* importants,
std::vector<const CFX_CSSPropertyHolder*>* normals,
std::vector<const CFX_CSSCustomProperty*>* custom);
bool SetLengthWithPercent(CFX_CSSLength& width,
CFX_CSSPrimitiveType eType,
const CFX_RetainPtr<CFX_CSSValue>& pValue,
float fFontSize);
float ToFontSize(CFX_CSSPropertyValue eValue, float fCurFontSize);
CFX_CSSDisplay ToDisplay(CFX_CSSPropertyValue eValue);
CFX_CSSTextAlign ToTextAlign(CFX_CSSPropertyValue eValue);
uint16_t ToFontWeight(CFX_CSSPropertyValue eValue);
CFX_CSSFontStyle ToFontStyle(CFX_CSSPropertyValue eValue);
CFX_CSSVerticalAlign ToVerticalAlign(CFX_CSSPropertyValue eValue);
uint32_t ToTextDecoration(const CFX_RetainPtr<CFX_CSSValueList>& pList);
CFX_CSSFontVariant ToFontVariant(CFX_CSSPropertyValue eValue);
float m_fDefFontSize;
std::unique_ptr<CFX_CSSStyleSheet> m_UAStyles;
CFX_CSSRuleCollection m_UARules;
};
#endif // CORE_FXCRT_CSS_CFX_CSSSTYLESELECTOR_H_
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