fbreader/src/formats/pdb/PluckerBookReader.h

   1 /*
   2  * Copyright (C) 2004-2008 Geometer Plus <contact@geometerplus.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301, USA.
  18  */
  19
  20 #ifndef __PLUCKERBOOKREADER_H__
  21 #define __PLUCKERBOOKREADER_H__
  22
  23 #include <set>
  24 #include <map>
  25
  26 #include <ZLEncodingConverter.h>
  27
  28 #include "../../bookmodel/BookReader.h"
  29 #include "../EncodedTextReader.h"
  30
  31 class PluckerBookReader : public BookReader, public EncodedTextReader {
  32
  33 public:
  34         PluckerBookReader(const std::string &filePath, BookModel &model, const std::string &encoding);
  35         ~PluckerBookReader();
  36
  37         bool readDocument();
  38
  39 private:
  40         enum FontType {
  41                 FT_REGULAR = 0,
  42                 FT_H1 = 1,
  43                 FT_H2 = 2,
  44                 FT_H3 = 3,
  45                 FT_H4 = 4,
  46                 FT_H5 = 5,
  47                 FT_H6 = 6,
  48                 FT_BOLD = 7,
  49                 FT_TT = 8,
  50                 FT_SMALL = 9,
  51                 FT_SUB = 10,
  52                 FT_SUP = 11
  53         };
  54
  55         void readRecord(size_t recordSize);
  56         void processTextRecord(size_t size, const std::vector<int> &pars);
  57         void processTextParagraph(char *start, char *end);
  58         void processTextFunction(char *ptr);
  59         void setFont(FontType font, bool start);
  60         void changeFont(FontType font);
  61
  62         void safeAddControl(FBTextKind kind, bool start);
  63         void safeAddHyperlinkControl(const std::string &id);
  64         void safeBeginParagraph();
  65         void safeEndParagraph();
  66
  67         void processHeader(FontType font, bool start);
  68
  69 private:
  70         std::string myFilePath;
  71         shared_ptr<ZLInputStream> myStream;
  72         FontType myFont;
  73         char *myCharBuffer;
  74         std::string myConvertedTextBuffer;
  75         bool myParagraphStarted;
  76         bool myBufferIsEmpty;
  77         ZLTextForcedControlEntry *myForcedEntry;
  78         std::vector<std::pair<FBTextKind,bool> > myDelayedControls;
  79         std::vector<std::string> myDelayedHyperlinks;
  80         unsigned short myCompressionVersion;
  81         unsigned char myBytesToSkip;
  82
  83         std::set<std::pair<int, int> > myReferencedParagraphs;
  84         std::map<int, std::vector<int> > myParagraphMap;
  85         std::vector<int> *myParagraphVector;
  86         bool myParagraphStored;
  87 };
  88
  89 #endif /* __PLUCKERBOOKREADER_H__ */