vdr-plugin-tvguide/services/epgsearch.h

/*                                                                  -*- c++ -*-
Copyright (C) 2004-2013 Christian Wieninger

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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

The author can be reached at cwieninger@gmx.de

The project's page is at http://winni.vdr-developer.org/epgsearch
*/

#ifndef EPGSEARCHSERVICES_INC
#define EPGSEARCHSERVICES_INC

#include <string>
#include <list>
#include <memory>
#include <set>
#include <vdr/osdbase.h>

// Data structure for service "Epgsearch-search-v1.0"
struct Epgsearch_search_v1_0 {
// in
    char* query;               // search term
    int mode;                  // search mode (0=phrase, 1=and, 2=or, 3=regular expression)
    int channelNr;             // channel number to search in (0=any)
    bool useTitle;             // search in title
    bool useSubTitle;          // search in subtitle
    bool useDescription;       // search in description
// out
    cOsdMenu* pResultMenu;   // pointer to the menu of results
};

// Data structure for service "Epgsearch-exttimeredit-v1.0"
struct Epgsearch_exttimeredit_v1_0 {
// in
    cTimer* timer;             // pointer to the timer to edit
    bool bNew;                 // flag that indicates, if this is a new timer or an existing one
    const cEvent* event;             // pointer to the event corresponding to this timer (may be NULL)
// out
    cOsdMenu* pTimerMenu;   // pointer to the menu of results
};

// Data structure for service "Epgsearch-enablesearchtimers-v1.0"
struct Epgsearch_enablesearchtimers_v1_0 {
// in
    bool enable;           // enable search timer thread?
};

// Data structure for service "Epgsearch-updatesearchtimers-v1.0"
struct Epgsearch_updatesearchtimers_v1_0 {
// in
    bool showMessage;           // inform via osd when finished?
};

// Data structure for service "Epgsearch-osdmessage-v1.0"
struct Epgsearch_osdmessage_v1_0 {
// in
    char* message;             // the message to display
    eMessageType type;
};

// Data structure for service "EpgsearchMenu-v1.0"
struct EpgSearchMenu_v1_0 {
// in
// out
    cOsdMenu* Menu;   // pointer to the menu
};

// Data structure for service "Epgsearch-lastconflictinfo-v1.0"
struct Epgsearch_lastconflictinfo_v1_0 {
// in
// out
    time_t nextConflict;       // next conflict date, 0 if none
    int relevantConflicts;     // number of relevant conflicts
    int totalConflicts;        // total number of conflicts
};

// Data structure for service "Epgsearch-searchresults-v1.0"
struct Epgsearch_searchresults_v1_0 {
// in
    char* query;               // search term
    int mode;                  // search mode (0=phrase, 1=and, 2=or, 3=regular expression)
    int channelNr;             // channel number to search in (0=any)
    bool useTitle;             // search in title
    bool useSubTitle;          // search in subtitle
    bool useDescription;       // search in description
// out

    class cServiceSearchResult : public cListObject
    {
    public:
        const cEvent* event;
        cServiceSearchResult(const cEvent* Event) : event(Event) {}
    };

    cList<cServiceSearchResult>* pResultList;   // pointer to the results
};

// Data structure for service "Epgsearch-switchtimer-v1.0"
struct Epgsearch_switchtimer_v1_0 {
// in
    const cEvent* event;
    int mode;                  // mode (0=query existence, 1=add/modify, 2=delete)
// in/out
    int switchMinsBefore;
    int announceOnly;
// out
    bool success;              // result
};

// Data structures for service "Epgsearch-services-v1.0"
class cServiceHandler
{
public:
    virtual std::list<std::string> SearchTimerList() = 0;
    // returns a list of search timer entries in the same format as used in epgsearch.conf
    virtual int AddSearchTimer(const std::string&) = 0;
    // adds a new search timer and returns its ID (-1 on error)
    virtual bool ModSearchTimer(const std::string&) = 0;
    // edits an existing search timer and returns success
    virtual bool DelSearchTimer(int) = 0;
    // deletes search timer with given ID and returns success
    virtual std::list<std::string> QuerySearchTimer(int) = 0;
    // returns the search result of the searchtimer with given ID in the same format as used in SVDRP command 'QRYS' (->MANUAL)
    virtual std::list<std::string> QuerySearch(std::string) = 0;
    // returns the search result of the searchtimer with given settings in the same format as used in SVDRP command 'QRYS' (->MANUAL)
    virtual std::list<std::string> ExtEPGInfoList() = 0;
    // returns a list of extended EPG categories in the same format as used in epgsearchcats.conf
    virtual std::list<std::string> ChanGrpList() = 0;
    // returns a list of channel groups maintained by epgsearch
    virtual std::list<std::string> BlackList() = 0;
    // returns a list of blacklists in the same format as used in epgsearchblacklists.conf
    virtual std::set<std::string> DirectoryList() = 0;
    // List of all recording directories used in recordings, timers, search timers or in epgsearchdirs.conf
    virtual ~cServiceHandler() {}
    // Read a setup value
    virtual std::string ReadSetupValue(const std::string& entry) = 0;
    // Write a setup value
    virtual bool WriteSetupValue(const std::string& entry, const std::string& value) = 0;
};

struct Epgsearch_services_v1_0 {
// in/out
    std::unique_ptr<cServiceHandler> handler;
};

// Data structures for service "Epgsearch-services-v1.1"
class cServiceHandler_v1_1 : public cServiceHandler
{
public:
    // Get timer conflicts
    virtual std::list<std::string> TimerConflictList(bool relOnly = false) = 0;
    // Check if a conflict check is advised
    virtual bool IsConflictCheckAdvised() = 0;
};

struct Epgsearch_services_v1_1 {
// in/out
    std::unique_ptr<cServiceHandler_v1_1> handler;
};

// Data structures for service "Epgsearch-services-v1.2"
class cServiceHandler_v1_2 : public cServiceHandler_v1_1
{
public:
    // List of all recording directories used in recordings, timers (and optionally search timers or in epgsearchdirs.conf)
    virtual std::set<std::string> ShortDirectoryList() = 0;
    // Evaluate an expression against an event
    virtual std::string Evaluate(const std::string& expr, const cEvent* event) = 0;
};

struct Epgsearch_services_v1_2 {
// in/out
    std::unique_ptr<cServiceHandler_v1_2> handler;
};

#endif