X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=lib%2Feet.rb;h=3976032d12bf25852f925d6dca2e25eb61a1beb9;hb=6289e751f9a1a7c0a46345503da94f64426a71fe;hp=e0c7b72554bb9099713ea9256ec9ee848acf73eb;hpb=99b06a2cbaeb57e70bca75d699fcc7c5767ec5ca;p=ruby-eet.git

diff --git a/lib/eet.rb b/lib/eet.rb
index e0c7b72..3976032 100644
--- a/lib/eet.rb
+++ b/lib/eet.rb
@@ -1,5 +1,5 @@
 #--
-# $Id: eet.rb 23 2005-04-09 17:16:58Z tilman $
+# $Id: eet.rb 49 2005-05-30 19:52:36Z tilman $
 #
 # Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
 #
@@ -25,40 +25,6 @@
 require "eet_ext"
 
 class Object
-	# :call-seq:
-	#  object.to_eet -> string
-	#
-	# Serializes the receiver to EET format.
-	def to_eet
-		props = to_eet_properties
-
-		unless props.is_a?(Hash) && !props.empty?
-			raise(Eet::PropertyError, "invalid EET properties")
-		end
-
-		eet_name = to_eet_name
-
-		if eet_name.to_str.length < 1 || eet_name.to_str.include?(0)
-			raise(Eet::NameError, "invalid EET name")
-		end
-
-		stream = Eet::Stream.new
-
-		props.each_pair do |tag, arg|
-			unless arg.is_a?(Array)
-				raise(Eet::PropertyError, "hash value not an array")
-			end
-
-			value, type = arg
-			next if value.nil?
-
-			stream.push(*value.to_eet_chunks(tag, type))
-		end
-
-		chunk = Eet::Chunk.new(eet_name, stream.serialize)
-		Eet::Stream.new(chunk).serialize
-	end
-
 	def to_eet_chunks(tag, type = nil) # :nodoc:
 		[Eet::Chunk.new(tag, to_eet)]
 	end
@@ -124,13 +90,13 @@ end
 
 class TrueClass # :nodoc:
 	def to_eet_chunks(tag, type = nil)
-		[Eet::Chunk.new(tag, [1].pack("c"))]
+		[Eet::Chunk.new(tag, "\1")]
 	end
 end
 
 class FalseClass # :nodoc:
 	def to_eet_chunks(tag, type = nil)
-		[Eet::Chunk.new(tag, [0].pack("c"))]
+		[Eet::Chunk.new(tag, "\0")]
 	end
 end
 
@@ -156,26 +122,26 @@ end
 module Eet
 	VERSION = "0.1.2"
 
-	class EetError < StandardError; end
-	class NameError < EetError; end
-	class PropertyError < EetError; end
 	class ChunkError < EetError; end
 
-	class Stream < Array # :nodoc:
+	class Stream # :nodoc:
 		def initialize(chunk = nil)
 			super(chunk.nil? ? 0 : 1, chunk)
 		end
 
-		def serialize
-			inject("") { |a, c| a << c.serialize }
-		end
-
 		def Stream.deserialize(data)
-			data = data.to_str.dup
+			if data.to_str.empty?
+				raise(ArgumentError, "buffer is empty")
+			end
+
 			s = Stream.new
+			offset = 0
 
-			while data.length > 0
-				s << Chunk.deserialize(data)
+			while offset < data.length
+				c, bytes = Chunk.deserialize(data[offset..-1])
+
+				s << c
+				offset += bytes
 			end
 
 			s
@@ -183,33 +149,11 @@ module Eet
 	end
 
 	class Chunk # :nodoc:
-		attr_reader :tag, :data
-
-		def initialize(tag, data)
-			if tag.to_str.include?(0)
-				raise(ArgumentError,
-				      "tag must not contain binary zeroes")
-			end
-
-			@tag = tag.to_str.dup.freeze
-			@data = data.to_str.dup.freeze
-
-			@size = @tag.length + 1 + @data.length
-
-			# libeet uses a signed 32bit integer to store the
-			# chunk size, so make sure we don't overflow it
-			if @size >= (1 << 31)
-				raise(ArgumentError, "tag or data too long")
+		def Chunk.deserialize(data)
+			if data.to_str.empty?
+				raise(ArgumentError, "buffer is empty")
 			end
-		end
 
-		def serialize
-			buf = "CHnK"
-			buf << [@size].pack("V")
-			buf << @tag << "\0" << @data
-		end
-
-		def Chunk.deserialize(data)
 			if data.length < 8 || data[0, 4] != "CHnK"
 				raise(ChunkError, "invalid data")
 			end
@@ -225,9 +169,7 @@ module Eet
 
 			c = Chunk.new(*data[8, size].split("\0", 2))
 
-			data.replace(data[8 + size..-1] || "")
-
-			c
+			[c, 8 + size]
 		end
 	end
 end