92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/* Copyright (C) 2014 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _APPFORMIME_H_INCLUDED_
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#define _APPFORMIME_H_INCLUDED_
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#include <string>
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#include <map>
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#include <vector>
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/**
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* Rather strangely, I could not find a reasonably simple piece of
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* code which would parse /usr/share/applications to return a list of
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* apps for a given mime type. So here goes. Note that the implementation
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* is very primitive for now (no use of cache file, no updating once built).
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* Also, this is not thread-safe, but could be made so quite easily.
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*/
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class DesktopDb {
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public:
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class AppDef {
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public:
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AppDef(const std::string& nm, const std::string& cmd)
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: name(nm), command(cmd)
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{}
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AppDef() {}
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std::string name;
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std::string command;
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};
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/** Build/Get the db for the standard fdo directory */
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static DesktopDb* getDb();
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/** Constructor for a db based on a non-standard location */
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DesktopDb(const string& dir);
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/** In case of error: what happened ? */
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const string& getReason();
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/**
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* Get a list of applications able to process a given MIME type.
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* @param mime MIME type we want the apps for
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* @param[output] apps appropriate applications
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* @param[output] reason if we fail, an explanation ?
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* @return true for no error (apps may still be empty). false if a serious
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* problem was detected.
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*/
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bool appForMime(const std::string& mime, vector<AppDef> *apps,
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std::string *reason = 0);
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/**
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* Get all applications defs:
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* @param[output] apps applications
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* @return true
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*/
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bool allApps(vector<AppDef> *apps);
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/**
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* Get app with given name
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*/
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bool appByName(const string& nm, AppDef& app);
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typedef std::map<std::string, std::vector<DesktopDb::AppDef> > AppMap;
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private:
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/** This is used by getDb() and builds a db for the standard location */
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DesktopDb();
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void build(const std::string& dir);
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DesktopDb(const DesktopDb &);
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DesktopDb& operator=(const DesktopDb &);
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AppMap m_appMap;
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std::string m_reason;
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bool m_ok;
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};
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#endif /* _APPFORMIME_H_INCLUDED_ */
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