C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// require "parslet" class ErlangParser < Parslet::Parser root :outermost # only designed for rabbitmq config files for now: rule(:outermost) { filler? >> array.maybe >> dot.maybe } rule(:exp) do (tuple | array | binary | string | bool | identifier | float | integer) >> filler? end rule(:array) do str("[") >> filler? >> ( exp.repeat(1) >> (comma >> exp).repeat ).maybe.as(:array) >> str("]") >> filler? end rule(:tuple) do str("{") >> filler? >> ( exp.repeat(1) >> filler? >> (comma >> exp).repeat ).maybe.as(:tuple) >> str("}") >> filler? end rule(:filler?) { space.repeat } rule(:space) { match('\s+') | match["\n"] | comment } rule(:comment) { str("%") >> (match["\n\r"].absent? >> any).repeat } rule(:comma) { str(",") >> filler? } rule(:dot) { str(".") >> filler? } rule(:bool) { str("true").as(:bool) | str("false").as(:bool) } rule(:identifier) do (match("[a-zA-Z]") >> match("[a-zA-Z0-9_]").repeat).as(:identifier) >> filler? end rule(:float) do ( integer >> ( str(".") >> match("[0-9]").repeat(1) | str("e") >> match("[0-9]").repeat(1) ).as(:e) ).as(:float) >> filler? end rule(:integer) do ((str("+") | str("-")).maybe >> match("[0-9]").repeat(1)).as(:integer) >> filler? end rule(:string) { stringS | stringD } rule(:stringS) do str("'") >> ( str('\\') >> any | str("'").absent? >> any ).repeat.as(:string) >> str("'") >> filler? end rule(:stringD) do str('"') >> ( str('\\') >> any | str('"').absent? >> any ).repeat.as(:string) >> str('"') >> filler? end rule(:binary_item) do (string | integer) >> (str(":") >> integer).maybe.as(:size) >> (str("/") >> identifier).maybe.as(:type) >> filler? end rule(:binary) do str("<<") >> filler? >> ( binary_item.repeat(1) >> (comma >> binary_item).repeat ).maybe.as(:binary) >> str(">>") >> filler? end end class ErlangBitstream def initialize @data = [] # a stream of 8-bit numbers @cur_bits = "" # a string of binary bits 10010010... end TYPES = { "integer" => 8, "float" => 8 * 8, "utf8" => 8, "utf16" => 8 * 2, "utf32" => 8 * 4, }.freeze def bit_size(size, type) raise "Cannot specify size and type at the same time." if !type.nil? && !size.nil? return (size || 8).to_i if type.nil? TYPES[type] || raise("Cannot handle binary-stream type #{type}") end def add(i) if i[:integer].nil? && i[:string].nil? raise "No data provided, internal error for binary-stream processing!" end s = bit_size(i[:size], i[:type]) unless i[:string].nil? str2int(i[:string].to_s, i[:type]).map { |e| add_bits(int2bits(e, 8)) } else add_int(i[:integer], s) end rescue RuntimeError => e raise "Error processing Erlang bit string "\ "'#{i[:string] || i[:integer]}:#{i[:size]}/#{i[:type]}'. #{e.message}" end def str2int(s, type) case type when "utf8" then s.encode("utf-8").unpack("C*") when "utf16" then s.encode("utf-16").unpack("C*").drop(2) when "utf32" then s.encode("utf-32").unpack("C*").drop(4) when "i