| // 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 XFA_FXFA_CXFA_TEXTPARSER_H_ |
| #define XFA_FXFA_CXFA_TEXTPARSER_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "core/fxcrt/cfx_retain_ptr.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxge/fx_dib.h" |
| #include "xfa/fgas/font/cfgas_gefont.h" |
| |
| class CFDE_CSSComputedStyle; |
| class CFDE_CSSStyleSelector; |
| class CFDE_CSSStyleSheet; |
| class CFX_XMLNode; |
| class CXFA_TextParseContext; |
| class CXFA_TextProvider; |
| class CXFA_TextTabstopsContext; |
| |
| class CXFA_TextParser { |
| public: |
| CXFA_TextParser(); |
| virtual ~CXFA_TextParser(); |
| |
| void Reset(); |
| void DoParse(CFX_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider); |
| |
| CFX_RetainPtr<CFDE_CSSComputedStyle> CreateRootStyle( |
| CXFA_TextProvider* pTextProvider); |
| CFX_RetainPtr<CFDE_CSSComputedStyle> ComputeStyle( |
| CFX_XMLNode* pXMLNode, |
| CFDE_CSSComputedStyle* pParentStyle); |
| |
| bool IsParsed() const { return m_bParsed; } |
| |
| int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const; |
| |
| float GetTabInterval(CFDE_CSSComputedStyle* pStyle) const; |
| int32_t CountTabs(CFDE_CSSComputedStyle* pStyle) const; |
| |
| bool IsSpaceRun(CFDE_CSSComputedStyle* pStyle) const; |
| bool GetTabstops(CFDE_CSSComputedStyle* pStyle, |
| CXFA_TextTabstopsContext* pTabstopContext); |
| |
| CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle) const; |
| float GetFontSize(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle) const; |
| |
| int32_t GetHorScale(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle, |
| CFX_XMLNode* pXMLNode) const; |
| int32_t GetVerScale(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle) const; |
| |
| void GetUnderline(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle, |
| int32_t& iUnderline, |
| int32_t& iPeriod) const; |
| void GetLinethrough(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle, |
| int32_t& iLinethrough) const; |
| FX_ARGB GetColor(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle) const; |
| float GetBaseline(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle) const; |
| float GetLineHeight(CXFA_TextProvider* pTextProvider, |
| CFDE_CSSComputedStyle* pStyle, |
| bool bFirst, |
| float fVerScale) const; |
| |
| bool GetEmbbedObj(CXFA_TextProvider* pTextProvider, |
| CFX_XMLNode* pXMLNode, |
| CFX_WideString& wsValue); |
| CXFA_TextParseContext* GetParseContextFromMap(CFX_XMLNode* pXMLNode); |
| |
| protected: |
| bool TagValidate(const CFX_WideString& str) const; |
| |
| private: |
| class TagProvider { |
| public: |
| TagProvider(); |
| ~TagProvider(); |
| |
| CFX_WideString GetTagName() { return m_wsTagName; } |
| |
| void SetTagName(const CFX_WideString& wsName) { m_wsTagName = wsName; } |
| void SetAttribute(const CFX_WideString& wsAttr, |
| const CFX_WideString& wsValue) { |
| m_Attributes.insert({wsAttr, wsValue}); |
| } |
| |
| CFX_WideString GetAttribute(const CFX_WideString& wsAttr) { |
| return m_Attributes[wsAttr]; |
| } |
| |
| bool m_bTagAvailable; |
| bool m_bContent; |
| |
| private: |
| CFX_WideString m_wsTagName; |
| std::map<CFX_WideString, CFX_WideString> m_Attributes; |
| }; |
| |
| void InitCSSData(CXFA_TextProvider* pTextProvider); |
| void ParseRichText(CFX_XMLNode* pXMLNode, |
| CFDE_CSSComputedStyle* pParentStyle); |
| std::unique_ptr<TagProvider> ParseTagInfo(CFX_XMLNode* pXMLNode); |
| std::unique_ptr<CFDE_CSSStyleSheet> LoadDefaultSheetStyle(); |
| CFX_RetainPtr<CFDE_CSSComputedStyle> CreateStyle( |
| CFDE_CSSComputedStyle* pParentStyle); |
| |
| bool m_bParsed; |
| bool m_cssInitialized; |
| std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector; |
| std::map<CFX_XMLNode*, std::unique_ptr<CXFA_TextParseContext>> |
| m_mapXMLNodeToParseContext; |
| }; |
| |
| #endif // XFA_FXFA_CXFA_TEXTPARSER_H_ |