blob: a0b94ed7e6e7f98207b084e876ad84d5db85535b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
#!/usr/bin/env ruby
#
#--
# Copyright 2009-2014 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
# Distributed under the terms of the GNU General Public License v3.
# See http://www.gnu.org/licenses/gpl.txt for the full license text.
#++
#
# *Author*:: David Vazgenovich Shakaryan
# *License*:: GNU General Public License v3
require 'socket'
require_relative 'libmpd/database'
require_relative 'libmpd/playbackcontrol'
require_relative 'libmpd/playbackoptions'
require_relative 'libmpd/playlist'
require_relative 'libmpd/status'
class TrueClass # :nodoc:
def to_i
return 1
end
end
class FalseClass # :nodoc:
def to_i
return 0
end
end
# Class for connecting and communicating with the daemon.
class MPD
include MPDDatabase
include MPDPlaybackControl
include MPDPlaybackOptions
include MPDPlaylist
include MPDStatus
# Exception class used for MPD-related errors. At the moment, it is only
# raised when attempting to perform an operation without having connected
# first.
class Error < StandardError
end
attr_accessor :host, :port
# Initialise an MPD object with the specified host and port.
#
# The default host is "localhost" and the default port is 6600.
def initialize(host = 'localhost', port = 6600)
@host = host
@port = port
end
# Connects to the server.
def connect
@socket = TCPSocket.new(@host, @port)
@socket.gets.chomp
end
# Disconnects from the server.
def disconnect
ensure_connected
@socket.close
@socket = nil
end
# Sends a command to the server and returns the response.
def send_request(command)
ensure_connected
# Escape backslashes in command.
@socket.puts command.gsub('\\', '\\\\\\')
get_response
end
private
def ensure_connected
raise MPD::Error, 'Not connected to server.' if @socket.nil?
end
def get_response
response = String.new
loop do
line = @socket.gets
return response if line == "OK\n"
return false if line =~ /^ACK/
response << line
end
end
def generate_hash(str)
hash = Hash.new
str.split("\n").each do |line|
field, value = line.split(': ', 2)
hash[field.downcase.intern] = value
end
hash
end
def split_and_hash(str)
str.split(/(?!\n)(?=file:)/).map do |song|
generate_hash(song)
end
end
end
|
