fbreader/src/formats/util/EntityFilesCollector.cpp

   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 #include <ZLStringUtil.h>
  21 #include <ZLibrary.h>
  22 #include <ZLFile.h>
  23 #include <ZLDir.h>
  24
  25 #include "EntityFilesCollector.h"
  26
  27 EntityFilesCollector *EntityFilesCollector::ourInstance = 0;
  28
  29 EntityFilesCollector &EntityFilesCollector::instance() {
  30         if (ourInstance == 0) {
  31                 ourInstance = new EntityFilesCollector();
  32         }
  33         return *ourInstance;
  34 }
  35
  36 const std::vector<std::string> &EntityFilesCollector::externalDTDs(const std::string &format) {
  37         std::map<std::string,std::vector<std::string> >::const_iterator it = myCollections.find(format);
  38         if (it != myCollections.end()) {
  39                 return it->second;
  40         }
  41
  42         std::vector<std::string> &collection = myCollections[format];
  43
  44         std::string directoryName =
  45                 ZLibrary::ApplicationDirectory() + ZLibrary::FileNameDelimiter +
  46                 "formats" + ZLibrary::FileNameDelimiter + format;
  47         shared_ptr<ZLDir> dtdPath = ZLFile(directoryName).directory();
  48         if (!dtdPath.isNull()) {
  49                 std::vector<std::string> files;
  50                 dtdPath->collectFiles(files, false);
  51                 for (std::vector<std::string>::const_iterator it = files.begin(); it != files.end(); ++it) {
  52                         if (ZLStringUtil::stringEndsWith(*it, ".ent")) {
  53                                 collection.push_back(dtdPath->itemPath(*it));
  54                         }
  55                 }
  56         }
  57
  58         return collection;
  59 }
  60
  61 EntityFilesCollector::EntityFilesCollector() {
  62 }