WPS4.h

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00001 /* libwpd
00002  * Copyright (C) 2006, 2007 Andrew Ziem
00003  * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)
00004  * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)
00005  *  
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
00019  *
00020  */
00021 
00022 #ifndef WPS4_H
00023 #define WPS4_H
00024 
00025 #include <vector>
00026 #include <map>
00027 
00028 #include "libwps_internal.h"
00029 #include "WPS.h"
00030 #include "WPSContentListener.h"
00031 #include "WPSHeader.h"
00032 #include "WPSStream.h"
00033 #include <libwpd/WPXString.h>
00034 #include "WPSParser.h"
00035 
00036 class WPS4Listener;
00037 
00038 class WPS4PrefixDataPacket
00039 {
00040 public:
00041         WPS4PrefixDataPacket(WPSInputStream * input);   
00042         virtual ~WPS4PrefixDataPacket() {}
00043         virtual void parse(WPS4Listener *listener) const {}
00044 
00045 //      static WPS4PrefixDataPacket * constructPrefixDataPacket(WPSInputStream * input, WPS4PrefixIndice *prefixIndice);
00046 
00047 protected:
00048         virtual void _readContents(WPSInputStream *input) = 0;
00049         void _read(WPSInputStream *input, uint32_t dataOffset, uint32_t dataSize);
00050 };
00051 
00052 
00053 class WPS4Listener
00054 {
00055 public:
00056         WPS4Listener();
00057         virtual ~WPS4Listener() {}
00058 
00059         virtual void startDocument() = 0;
00060         virtual void insertCharacter(const uint16_t character) = 0;
00061         virtual void insertTab(const uint8_t tabType, float tabPosition) = 0;
00062         virtual void insertBreak(const uint8_t breakType) = 0;
00063         virtual void insertEOL() = 0;
00064         virtual void lineSpacingChange(const float lineSpacing) = 0;
00065         virtual void attributeChange(const bool isOn, const uint8_t attribute) = 0;
00066         virtual void pageMarginChange(const uint8_t side, const uint16_t margin) = 0;
00067         virtual void pageFormChange(const uint16_t length, const uint16_t width, const WPSFormOrientation orientation, const bool isPersistent) = 0;
00068         virtual void marginChange(const uint8_t side, const uint16_t margin) = 0;
00069         virtual void indentFirstLineChange(const int16_t offset) = 0;
00070         virtual void columnChange(const WPSTextColumnType columnType, const uint8_t numColumns, const std::vector<float> &columnWidth,
00071                                         const std::vector<bool> &isFixedWidth) = 0;
00072         virtual void endDocument() = 0;
00073 
00074         virtual void undoChange(const uint8_t undoType, const uint16_t undoLevel) = 0;
00075         virtual void justificationChange(const uint8_t justification) = 0;
00076         virtual void setTextColor(const RGBSColor * fontColor) = 0;
00077         virtual void setTextFont(const WPXString fontName) = 0;
00078         virtual void setFontSize(const uint16_t fontSize) = 0;
00079         virtual void insertPageNumber(const WPXString &pageNumber) = 0;
00080         virtual void insertNoteReference(const WPXString &noteReference) = 0;
00081         virtual void suppressPage(const uint16_t suppressCode) = 0;
00082 };
00083 
00084 class WPS4Parser : public WPSParser
00085 {
00086 public:
00087         WPS4Parser(WPSInputStream *input, WPSHeader * header);
00088         ~WPS4Parser();
00089 
00090         void parse(WPXHLListenerImpl *listenerImpl);
00091 private:
00092         void parsePages(std::list<WPSPageSpan> &pageList, WPSInputStream *input);
00093         void parse(WPSInputStream *stream, WPS4Listener *listener);
00094         void readFontsTable(WPSInputStream * input);
00095         bool readFODPage(WPSInputStream * input, std::vector<FOD> * FODs);      
00096         void propertyChangeTextAttribute(const uint32_t newTextAttributeBits, const uint8_t attribute, const uint32_t bit, WPS4Listener *listener);
00097         void propertyChangeDelta(uint32_t newTextAttributeBits, WPS4Listener *listener);
00098         void propertyChange(std::string rgchProp, WPS4Listener *listener);
00099         void appendCP850(const uint8_t readVal, WPS4Listener *listener);
00100         void appendCP1252(const uint8_t readVal, WPS4Listener *listener);
00101         void readText(WPSInputStream * input, WPS4Listener *listener);
00102         uint32_t oldTextAttributeBits;
00103         uint32_t offset_eot; /* stream offset to end of text */
00104         uint32_t offset_eos; /* stream offset to end of MN0 */  
00105         std::vector<FOD> CHFODs; /* CHaracter FOrmatting Descriptors */         
00106         std::vector<FOD> PAFODs; /* PAragraph FOrmatting Descriptors */                 
00107         std::map<uint8_t, std::string> fonts; /* fonts in format <index code, font name>  */
00108         const uint8_t m_worksVersion;
00109 };
00110 
00111 
00112 typedef struct _WPS4ContentParsingState WPS4ContentParsingState;
00113 struct _WPS4ContentParsingState
00114 {
00115         _WPS4ContentParsingState();
00116         ~_WPS4ContentParsingState();
00117         WPXString m_textBuffer;
00118 };
00119 
00120 
00121 class WPS4ContentListener : public WPS4Listener, protected WPSContentListener
00122 {
00123 public:
00124         WPS4ContentListener(std::list<WPSPageSpan> &pageList, WPXHLListenerImpl *listenerImpl);
00125         ~WPS4ContentListener();
00126 
00127         void startDocument() { WPSContentListener::startDocument(); };
00128         void insertCharacter(const uint16_t character);
00129         void insertTab(const uint8_t tabType, float tabPosition);
00130         void insertBreak(const uint8_t breakType) { WPSContentListener::insertBreak(breakType); };
00131         void insertEOL();
00132         void attributeChange(const bool isOn, const uint8_t attribute);
00133         void lineSpacingChange(const float lineSpacing) { WPSContentListener::lineSpacingChange(lineSpacing); };
00134         void pageMarginChange(const uint8_t side, const uint16_t margin) {};
00135         void pageFormChange(const uint16_t length, const uint16_t width, const WPSFormOrientation orientation, const bool isPersistent) {};
00136         void marginChange(const uint8_t side, const uint16_t margin);
00137         void indentFirstLineChange(const int16_t offset);
00138         void columnChange(const WPSTextColumnType columnType, const uint8_t numColumns, const std::vector<float> &columnWidth,
00139                                         const std::vector<bool> &isFixedWidth);
00140         void endDocument() { WPSContentListener::endDocument(); };
00141 
00142         void undoChange(const uint8_t undoType, const uint16_t undoLevel);
00143         void justificationChange(const uint8_t justification);
00144         void setTextColor(const RGBSColor * fontColor);
00145         void setTextFont(const WPXString fontName);
00146         void setFontSize(const uint16_t fontSize);
00147         void insertPageNumber(const WPXString &pageNumber);
00148         void insertNoteReference(const WPXString &noteReference);
00149         void insertNote(const WPSNoteType noteType);
00150         void suppressPage(const uint16_t suppressCode);
00151         
00152 protected:
00153         void _openParagraph();
00154 
00155         void _flushText();
00156         void _changeList() {};
00157         
00158 private:
00159         WPS4ContentParsingState *m_parseState;  
00160 };
00161 
00162 #endif /* WPS6_H */

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