Class: Riddle::Client::Response

Inherits:
Object
  • Object
show all
Defined in:
lib/riddle/client/response.rb

Overview

Used to interrogate responses from the Sphinx daemon. Keep in mind none of the methods here check whether the data they're grabbing are what the user expects - it just assumes the user knows what the data stream is made up of.

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ Response

Create with the data to interpret


9
10
11
12
# File 'lib/riddle/client/response.rb', line 9

def initialize(str)
  @str = str
  @marker = 0
end

Instance Method Details

#lengthObject

Returns the length of the streamed data


89
90
91
# File 'lib/riddle/client/response.rb', line 89

def length
  @str.length
end

#nextObject

Return the next string value in the stream


15
16
17
18
19
20
21
# File 'lib/riddle/client/response.rb', line 15

def next
  len = next_int
  result = @str[@marker, len]
  @marker += len

  Riddle.encode(result)
end

#next_64bit_intObject


31
32
33
34
35
36
# File 'lib/riddle/client/response.rb', line 31

def next_64bit_int
  high, low = @str[@marker, 8].unpack('N*N*')[0..1]
  @marker += 8

  (high << 32) + low
end

#next_64bit_int_arrayObject


78
79
80
81
82
83
84
85
86
# File 'lib/riddle/client/response.rb', line 78

def next_64bit_int_array
  byte_count = next_int
  items = []
  (byte_count / 2).times do
    items << self.next_64bit_int
  end

  items
end

#next_arrayObject

Returns an array of string items


47
48
49
50
51
52
53
54
55
# File 'lib/riddle/client/response.rb', line 47

def next_array
  count = next_int
  items = []
  count.times do
    items << self.next
  end

  items
end

#next_floatObject

Return the next float value from the stream


39
40
41
42
43
44
# File 'lib/riddle/client/response.rb', line 39

def next_float
  float = @str[@marker, 4].unpack('N*').pack('L').unpack('f*').first
  @marker += 4

  float
end

#next_float_arrayObject


68
69
70
71
72
73
74
75
76
# File 'lib/riddle/client/response.rb', line 68

def next_float_array
  count = next_int
  items = []
  count.times do
    items << self.next_float
  end

  items
end

#next_intObject

Return the next integer value from the stream


24
25
26
27
28
29
# File 'lib/riddle/client/response.rb', line 24

def next_int
  int = @str[@marker, 4].unpack('N*').first
  @marker += 4

  int
end

#next_int_arrayObject

Returns an array of int items


58
59
60
61
62
63
64
65
66
# File 'lib/riddle/client/response.rb', line 58

def next_int_array
  count = next_int
  items = []
  count.times do
    items << self.next_int
  end

  items
end