Class: XMP::StringInputMethod
- Inherits:
-
IRB::InputMethod
- Object
- IRB::InputMethod
- XMP::StringInputMethod
- Defined in:
- lib/irb/xmp.rb
Overview
A custom InputMethod class used by XMP for evaluating string io.
Instance Attribute Summary collapse
-
#encoding ⇒ Object
readonly
Returns the encoding of last expression printed by #puts.
Attributes inherited from IRB::InputMethod
Instance Method Summary collapse
-
#eof? ⇒ Boolean
Whether there are any expressions left in this printer.
-
#gets ⇒ Object
Reads the next expression from this printer.
-
#initialize ⇒ StringInputMethod
constructor
Creates a new StringInputMethod object.
-
#puts(exps) ⇒ Object
Concatenates all expressions in this printer, separated by newlines.
Methods inherited from IRB::InputMethod
Constructor Details
#initialize ⇒ StringInputMethod
Creates a new StringInputMethod object
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# File 'lib/irb/xmp.rb', line 105 def initialize super @exps = [] end |
Instance Attribute Details
#encoding ⇒ Object (readonly)
Returns the encoding of last expression printed by #puts.
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# File 'lib/irb/xmp.rb', line 147 def encoding @encoding end |
Instance Method Details
#eof? ⇒ Boolean
Whether there are any expressions left in this printer.
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# File 'lib/irb/xmp.rb', line 111 def eof? @exps.empty? end |
#gets ⇒ Object
Reads the next expression from this printer.
See IO#gets for more information.
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# File 'lib/irb/xmp.rb', line 118 def gets while l = @exps.shift next if /^\s+$/ =~ l l.concat "\n" print @prompt, l break end l end |
#puts(exps) ⇒ Object
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.
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# File 'lib/irb/xmp.rb', line 132 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 |