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kiwix-tools/src/zimlib/include/zim/fileimpl.h

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2.7 KiB

/*
* Copyright (C) 2006 Tommi Maekitalo
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef ZIM_FILEIMPL_H
#define ZIM_FILEIMPL_H
#include <string>
#include <vector>
#include <map>
#include <zim/fstream.h>
#include <zim/refcounted.h>
#include <zim/zim.h>
#include <zim/fileheader.h>
#include <zim/cache.h>
#include <zim/dirent.h>
#include <zim/cluster.h>
namespace zim
{
class FileImpl : public RefCounted
{
ifstream zimFile;
Fileheader header;
std::string filename;
Cache<size_type, Dirent> direntCache;
Cache<offset_type, Cluster> clusterCache;
typedef std::map<char, size_type> NamespaceCache;
NamespaceCache namespaceBeginCache;
NamespaceCache namespaceEndCache;
std::string namespaces;
time_t mtime;
typedef std::vector<std::string> MimeTypes;
MimeTypes mimeTypes;
offset_type getOffset(offset_type ptrOffset, size_type idx);
public:
explicit FileImpl(const char* fname);
time_t getMTime() const { return mtime; }
const std::string& getFilename() const { return filename; }
const Fileheader& getFileheader() const { return header; }
Dirent getDirent(size_type idx);
Dirent getDirentByTitle(size_type idx);
size_type getIndexByTitle(size_type idx);
size_type getCountArticles() const { return header.getArticleCount(); }
Cluster getCluster(size_type idx);
size_type getCountClusters() const { return header.getClusterCount(); }
offset_type getClusterOffset(size_type idx) { return getOffset(header.getClusterPtrPos(), idx); }
size_type getNamespaceBeginOffset(char ch);
size_type getNamespaceEndOffset(char ch);
size_type getNamespaceCount(char ns)
{ return getNamespaceEndOffset(ns) - getNamespaceBeginOffset(ns); }
std::string getNamespaces();
bool hasNamespace(char ch);
const std::string& getMimeType(uint16_t idx) const;
};
}
#endif // ZIM_FILEIMPL_H