warn "#{caller[0]}: yaml/stringio is deprecated" if $VERBOSE # # Limited StringIO if no core lib is available # begin require 'stringio' rescue LoadError # StringIO based on code by MoonWolf class StringIO def initialize(string="") @string=string @pos=0 @eof=(string.size==0) end def pos @pos end def eof @eof end alias eof? eof def readline(rs=$/) if @eof raise EOFError else if p = @string[@pos..-1]=~rs line = @string[@pos,p+1] else line = @string[@pos..-1] end @pos+=line.size @eof =true if @pos==@string.size $_ = line end end def rewind seek(0,0) end def seek(offset,whence) case whence when 0 @pos=offset when 1 @pos+=offset when 2 @pos=@string.size+offset end @eof=(@pos>=@string.size) 0 end end # # Class method for creating streams # def Syck.make_stream( io ) if String === io io = StringIO.new( io ) elsif not IO === io raise Syck::Error, "YAML stream must be an IO or String object." end if Syck::unicode def io.readline Syck.utf_to_internal( readline( @ln_sep ), @utf_encoding ) end def io.check_unicode @utf_encoding = Syck.sniff_encoding( read( 4 ) ) @ln_sep = Syck.enc_separator( @utf_encoding ) seek( -4, IO::SEEK_CUR ) end def io.utf_encoding @utf_encoding end io.check_unicode else def io.utf_encoding :None end end io end end