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Contents
module FLV
# Common fonctionality to all types of Bodies (FLV::Audio, FLV::Video & FLV::Event)
module Body
def self.included(base)
# Caution: order is important; InstanceMethods::is? relies on Base::is?
base.class_eval do
include Base
include InstanceMethods
include InstanceMethodsWhenString
end
end
module InstanceMethods
def debug(format, *) #:nodoc
format.values(to_hash)
end
def is?(what)
case what
when String, Symbol
super(what.to_s.downcase.gsub!(/_tag$/, "") || :never_match_on_class_name_unless_string_ends_with_tag)
else
super
end
end
def similar_to?(other_body)
getters.each{|getter| return false unless send(getter) == other_body.send(getter)}
true
end
def title
self.class.name + " tag"
end
end
module InstanceMethodsWhenString
# Returns an +Integer+ computed from bits specified by +which+.
# The 0th bit is the most significant bit of the first character.
# +which+ can designate a range of bits or a single bit
def read_bits(which)
# :reading_this => :headache, sorry
which = which..which if which.is_a? Integer
first_byte, last_byte = which.first >> 3, which.max >> 3
return (getbyte(first_byte) >> (7 & ~which.max)) & ~(~1 << which.max-which.first) if(first_byte == last_byte)
mid = last_byte << 3
read_bits(which.first...mid) << (which.max - mid + 1) | read_bits(mid..which.max)
end
# We need to redefine this, since we want to end up with a Body, not a String
def read_packed(io, options) #:nodoc:
replace(io.read(String, options))
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems