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# frozen_string_literal: true
module Riddle
class Client
# 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.
class Response
# Create with the data to interpret
def initialize(str)
@str = str
@marker = 0
end
# Return the next string value in the stream
def next
len = next_int
result = @str[@marker, len]
@marker += len
Riddle.encode(result)
end
# Return the next integer value from the stream
def next_int
int = @str[@marker, 4].unpack('N*').first
@marker += 4
int
end
def next_64bit_int
high, low = @str[@marker, 8].unpack('N*N*')[0..1]
@marker += 8
(high << 32) + low
end
# Return the next float value from the stream
def next_float
float = @str[@marker, 4].unpack('N*').pack('L').unpack('f*').first
@marker += 4
float
end
# Returns an array of string items
def next_array
count = next_int
items = []
count.times do
items << self.next
end
items
end
# Returns an array of int items
def next_int_array
count = next_int
items = []
count.times do
items << self.next_int
end
items
end
def next_float_array
count = next_int
items = []
count.times do
items << self.next_float
end
items
end
def next_64bit_int_array
byte_count = next_int
items = []
(byte_count / 2).times do
items << self.next_64bit_int
end
items
end
# Returns the length of the streamed data
def length
@str.length
end
end
end
end
|
