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



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

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

Instance Method Details

#length ⇒ Object

Returns the length of the streamed data



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

def length
  @str.length
end

#next ⇒ Object

Return the next string value in the stream



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# File 'lib/riddle/client/response.rb', line 17

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

  Riddle.encode(result)
end

#next_64bit_int ⇒ Object 



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# File 'lib/riddle/client/response.rb', line 33

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

  (high << 32) + low
end

#next_64bit_int_array ⇒ Object 



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# File 'lib/riddle/client/response.rb', line 80

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

  items
end

#next_array ⇒ Object

Returns an array of string items



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# File 'lib/riddle/client/response.rb', line 49

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

  items
end

#next_float ⇒ Object

Return the next float value from the stream



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# File 'lib/riddle/client/response.rb', line 41

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

  float
end

#next_float_array ⇒ Object 



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# File 'lib/riddle/client/response.rb', line 70

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

  items
end

#next_int ⇒ Object

Return the next integer value from the stream



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# File 'lib/riddle/client/response.rb', line 26

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

  int
end

#next_int_array ⇒ Object

Returns an array of int items



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# File 'lib/riddle/client/response.rb', line 60

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

  items
end