fbreader/src/collection/BookCollection.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 __BOOKCOLLECTION_H__
  21 #define __BOOKCOLLECTION_H__
  22
  23 #include <string>
  24 #include <vector>
  25 #include <set>
  26 #include <map>
  27
  28 #include <ZLOptions.h>
  29
  30 #include "../description/BookDescription.h"
  31
  32 typedef std::vector<BookDescriptionPtr> Books;
  33
  34 class DescriptionComparator {
  35
  36 public:
  37         DescriptionComparator();
  38         ~DescriptionComparator();
  39         bool operator() (const BookDescriptionPtr d1, const BookDescriptionPtr d2);
  40 };
  41
  42 class BookCollection {
  43
  44 public:
  45         ZLStringOption PathOption;
  46         ZLBooleanOption ScanSubdirsOption;
  47
  48 public:
  49         BookCollection();
  50         ~BookCollection();
  51
  52         const std::vector<AuthorPtr> &authors() const;
  53         const Books &books(AuthorPtr author) const;
  54         bool isBookExternal(BookDescriptionPtr description) const;
  55
  56         void rebuild(bool strong);
  57         bool synchronize() const;
  58
  59 private:
  60
  61         void collectDirNames(std::set<std::string> &names) const;
  62         void collectBookFileNames(std::set<std::string> &bookFileNames) const;
  63
  64         void addDescription(BookDescriptionPtr description) const;
  65
  66 private:
  67         mutable std::vector<AuthorPtr> myAuthors;
  68         mutable std::map<AuthorPtr,Books> myCollection;
  69         mutable std::set<BookDescriptionPtr> myExternalBooks;
  70
  71         mutable std::string myPath;
  72         mutable bool myScanSubdirs;
  73         mutable bool myDoStrongRebuild;
  74         mutable bool myDoWeakRebuild;
  75 };
  76
  77 class LastOpenedBooks {
  78
  79 public:
  80         ZLIntegerRangeOption MaxListSizeOption;
  81
  82 public:
  83         LastOpenedBooks();
  84         ~LastOpenedBooks();
  85         void addBook(const std::string &fileName);
  86         const Books &books() const;
  87
  88 private:
  89         Books myBooks;
  90 };
  91
  92 inline DescriptionComparator::DescriptionComparator() {}
  93 inline DescriptionComparator::~DescriptionComparator() {}
  94
  95 inline const std::vector<AuthorPtr > &BookCollection::authors() const {
  96         synchronize();
  97         return myAuthors;
  98 }
  99
 100 inline const Books &BookCollection::books(AuthorPtr author) const {
 101         synchronize();
 102         return (*myCollection.find(author)).second;
 103 }
 104
 105 inline bool BookCollection::isBookExternal(BookDescriptionPtr description) const {
 106         synchronize();
 107         return myExternalBooks.find(description) != myExternalBooks.end();
 108 }
 109
 110 inline const Books &LastOpenedBooks::books() const { return myBooks; }
 111
 112 #endif /* __BOOKCOLLECTION_H__ */