fbreader/src/formats/txt/PlainTextFormat.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 __PLAINTEXTFORMAT_H__
  21 #define __PLAINTEXTFORMAT_H__
  22
  23 #include <ZLInputStream.h>
  24 #include <ZLOptions.h>
  25 #include <optionEntries/ZLSimpleOptionEntry.h>
  26 #include <ZLResource.h>
  27
  28 #include "../FormatPlugin.h"
  29
  30 class PlainTextFormat {
  31
  32 public:
  33         enum ParagraphBreakType {
  34                 BREAK_PARAGRAPH_AT_NEW_LINE = 1,
  35                 BREAK_PARAGRAPH_AT_EMPTY_LINE = 2,
  36                 BREAK_PARAGRAPH_AT_LINE_WITH_INDENT = 4,
  37         };
  38
  39         PlainTextFormat(const std::string &fileName);
  40         ~PlainTextFormat() {}
  41
  42         bool initialized() const { return InitializedOption.value(); }
  43         int breakType() const { return BreakTypeOption.value(); }
  44         int ignoredIndent() const { return IgnoredIndentOption.value(); }
  45         int emptyLinesBeforeNewSection() const { return EmptyLinesBeforeNewSectionOption.value(); }
  46         bool createContentsTable() const { return CreateContentsTableOption.value(); }
  47
  48 private:
  49         ZLBooleanOption InitializedOption;
  50         ZLIntegerOption BreakTypeOption;
  51         ZLIntegerRangeOption IgnoredIndentOption;
  52         ZLIntegerRangeOption EmptyLinesBeforeNewSectionOption;
  53         ZLBooleanOption CreateContentsTableOption;
  54
  55 friend class PlainTextInfoPage;
  56 friend class PlainTextFormatDetector;
  57 };
  58
  59 class PlainTextInfoPage : public FormatInfoPage {
  60
  61 public:
  62         PlainTextInfoPage(ZLOptionsDialog &dialog, const std::string &fileName, const ZLResourceKey &key, bool showContentsEntry);
  63         ~PlainTextInfoPage();
  64
  65 private:
  66         PlainTextFormat myFormat;
  67
  68         ZLSimpleSpinOptionEntry *myIgnoredIndentEntry;
  69         ZLSimpleSpinOptionEntry *myEmptyLinesBeforeNewSectionEntry;
  70
  71 friend class BreakTypeOptionEntry;
  72 friend class CreateContentsTableOptionEntry;
  73 };
  74
  75 class PlainTextFormatDetector {
  76
  77 public:
  78         PlainTextFormatDetector() {}
  79         ~PlainTextFormatDetector() {}
  80
  81         void detect(ZLInputStream &stream, PlainTextFormat &format);
  82 };
  83
  84 class BreakTypeOptionEntry : public ZLComboOptionEntry {
  85
  86 public:
  87         BreakTypeOptionEntry(PlainTextInfoPage &page, ZLIntegerOption &breakTypeOption);
  88         ~BreakTypeOptionEntry();
  89
  90         int initialIndex() const;
  91         const std::string &initialValue() const;
  92         const std::vector<std::string> &values() const;
  93         void onAccept(const std::string &value);
  94         void onValueSelected(int index);
  95
  96 private:
  97         PlainTextInfoPage &myPage;
  98         ZLIntegerOption &myBreakTypeOption;
  99 };
 100
 101 class CreateContentsTableOptionEntry : public ZLSimpleBooleanOptionEntry {
 102
 103 public:
 104         CreateContentsTableOptionEntry(PlainTextInfoPage &page, ZLBooleanOption &option);
 105         ~CreateContentsTableOptionEntry();
 106         void onStateChanged(bool state);
 107
 108 private:
 109         PlainTextInfoPage &myPage;
 110 };
 111
 112 #endif /* __PLAINTEXTFORMAT_H__ */