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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
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 WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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, see <https://www.gnu.org/licenses/>.
*/
/**
* @file
* Mime database
* Conversion between mime types, file content and file extensions.
*/
#ifndef _MIME_DATABASE_H
#define _MIME_DATABASE_H
#include <map>
#include <string>
#include <magic.h>
#include "record_file.h"
using namespace std;
namespace utils {
/** Record from the mime database. */
class t_mime_db_record : public utils::t_record {
public:
string mimetype; /**< Mimetype, e.g. text/plain */
string file_glob; /**< File glob expression */
virtual bool create_file_record(vector<string> &v) const;
virtual bool populate_from_file_record(const vector<string> &v);
};
/**
* The mime database.
* The default location for the mime database is /usr/share/mime/globs
*/
class t_mime_database : public utils::t_record_file<t_mime_db_record> {
private:
/** Mapping between mimetypes and file globs. */
map<string, string> map_mime2glob_;
/** Handle on the magic number database. */
magic_t mime_magic_;
protected:
virtual void add_record(const t_mime_db_record &record);
public:
/** Constructor */
t_mime_database();
/** Destructor */
~t_mime_database();
/**
* Get a glob expression for a mimetype.
* @param mimetype [in] The mimetype.
* @return Glob expression associated with the mimetype. Empty string
* if no glob expression can be found.
*/
string get_glob(const string &mimetype) const;
/**
* Get the mimetype of a file.
* @param filename [in] Name of the file.
* @return The mimetype or empty string if no mimetype can be determined.
*/
string get_mimetype(const string &filename) const;
};
}; // namespace
extern utils::t_mime_database *mime_database;
#endif
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