predicate.h File Reference

Predicate handling. More...

#include <config.h>
#include <memory>
#include "fundamentals.h"
#include "filter.h"

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Namespaces
	Predicate
	Functions and types for parsing and interpreting predicates.

Macros
#define	PREDKEY_MANNER   "manner"
#define	PREDKEY_TYPE   "type"
#define	PREDKEY_SEEDTYPE   "seedtype"
#define	PREDKEY_SOURCE   "source"
#define	PARSER_SIMPLE_LIST_PREDICATE   "simpleListPredicate"
#define	PARSER_LIST_PREDICATE   "listPredicate"
#define	PARSER_SEED_PREDICATE   "seedPredicate"
#define	PARSER_SINGLE_PREDICATE   "singleItemPredicate"
#define	PARSER_PLAYLIST_LIST   "playlistPredicate"
#define	PARSER_SINGLE_PLAYLIST   "singlePlaylistPredicate"
#define	KEY_PREDICATE   "predicate"
#define	KEY_PLAYLIST   "playlist"
#define	SIMPLE_LIST_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SIMPLE_LIST_PREDICATE "} ..."
#define	LIST_PREDICATE   " {" KEY_PREDICATE ":" PARSER_LIST_PREDICATE "} ..."
#define	SEED_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SEED_PREDICATE "} ..."
#define	SINGLE_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SINGLE_PREDICATE "}"
#define	LIST_PLAYLIST   " {" KEY_PLAYLIST ":" PARSER_PLAYLIST_LIST "} ..."
#define	SINGLE_PLAYLIST   " {" KEY_PLAYLIST ":" PARSER_SINGLE_PLAYLIST "}"

Functions
void	Predicate::construct_predicate_parsers (PianodParser *parser)
bool	Predicate::havePredicate (const Parsnip::Data &options)
	Check for presence of a predicate. More...
std::unique_ptr< Filter >	Predicate::getPredicate (const PianodConnection &conn, const Parsnip::Data &predicate, Filter::Field field)
	Return just the filter portion of a predicate, for external use. More...
ThingieList	Predicate::getSpecifiedThings (const PianodConnection &conn, const Parsnip::Data &predicate, SearchRange search_what)
	Gather a list of assorted things specified by a predicate. More...
MusicThingie *	Predicate::getSpecifiedThing (const PianodConnection &conn, const Parsnip::Data &predicate)
	Interpret a request for an unspecified type of thing and return it. More...
SongList	Predicate::getSpecifiedSongs (const PianodConnection &conn, const Parsnip::Data &predicate, SearchRange search_what)
	Interpret a list of songs specified by a predicate. More...
PianodSong *	Predicate::getSpecifiedSong (const PianodConnection &conn, const Parsnip::Data &predicate)
	Gather a request for a single song and return it. More...
PlaylistList	Predicate::getSpecifiedPlaylists (const PianodConnection &conn, const Parsnip::Data &predicate)
	Interpret a list of playlists specified by a predicate. More...
PianodPlaylist *	Predicate::getSpecifiedPlaylist (const PianodConnection &conn, const Parsnip::Data &predicate)
	Gather a request for a single playlist and return it. More...

Detailed Description

Predicate handling.

Predicate parsing and interpretation.

• pianod2

  Author

  Perette Barella

  Date

  2015-10-12

  Copyright

  Copyright (c) 2015-2020 Devious Fish. All rights reserved.

Macro Definition Documentation

KEY_PLAYLIST

#define KEY_PLAYLIST   "playlist"

KEY_PREDICATE

#define KEY_PREDICATE   "predicate"

LIST_PLAYLIST

#define LIST_PLAYLIST   " {" KEY_PLAYLIST ":" PARSER_PLAYLIST_LIST "} ..."

LIST_PREDICATE

#define LIST_PREDICATE   " {" KEY_PREDICATE ":" PARSER_LIST_PREDICATE "} ..."

PARSER_LIST_PREDICATE

#define PARSER_LIST_PREDICATE   "listPredicate"

PARSER_PLAYLIST_LIST

#define PARSER_PLAYLIST_LIST   "playlistPredicate"

PARSER_SEED_PREDICATE

#define PARSER_SEED_PREDICATE   "seedPredicate"

PARSER_SIMPLE_LIST_PREDICATE

#define PARSER_SIMPLE_LIST_PREDICATE   "simpleListPredicate"

PARSER_SINGLE_PLAYLIST

#define PARSER_SINGLE_PLAYLIST   "singlePlaylistPredicate"

PARSER_SINGLE_PREDICATE

#define PARSER_SINGLE_PREDICATE   "singleItemPredicate"

PREDKEY_MANNER

#define PREDKEY_MANNER   "manner"

PREDKEY_SEEDTYPE

#define PREDKEY_SEEDTYPE   "seedtype"

PREDKEY_SOURCE

#define PREDKEY_SOURCE   "source"

PREDKEY_TYPE

#define PREDKEY_TYPE   "type"

SEED_PREDICATE

#define SEED_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SEED_PREDICATE "} ..."

SIMPLE_LIST_PREDICATE

#define SIMPLE_LIST_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SIMPLE_LIST_PREDICATE "} ..."

SINGLE_PLAYLIST

#define SINGLE_PLAYLIST   " {" KEY_PLAYLIST ":" PARSER_SINGLE_PLAYLIST "}"

SINGLE_PREDICATE

#define SINGLE_PREDICATE   " {" KEY_PREDICATE ":" PARSER_SINGLE_PREDICATE "}"