class XMP::StringInputMethod
A custom InputMethod class used by XMP
for evaluating string io.
Attributes
Returns the encoding of last expression printed by puts
.
Public Class Methods
Source
# File lib/irb/xmp.rb, line 96 def initialize super @exps = [] end
Creates a new StringInputMethod
object
Calls superclass method
BasicObject::new
Public Instance Methods
Source
# File lib/irb/xmp.rb, line 102 def eof? @exps.empty? end
Whether there are any expressions left in this printer.
Source
# File lib/irb/xmp.rb, line 109 def gets while l = @exps.shift next if /^\s+$/ =~ l l.concat "\n" print @prompt, l break end l end
Reads the next expression from this printer.
See IO#gets
for more information.
Source
# File lib/irb/xmp.rb, line 123 def puts(exps) if @encoding and exps.encoding != @encoding enc = Encoding.compatible?(@exps.join("\n"), exps) if enc.nil? raise Encoding::CompatibilityError, "Encoding in which the passed expression is encoded is not compatible to the preceding's one" else @encoding = enc end else @encoding = exps.encoding end @exps.concat exps.split(/\n/) end
Concatenates all expressions in this printer, separated by newlines.
An Encoding::CompatibilityError
is raised of the given exps
‘s encoding doesn’t match the previous expression evaluated.