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  • rexml-3.2.5/lib/rexml/source.rb

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REXML::SourceFactory

Generates Source-s. USE THIS CLASS.

Public Class Methods

create_from(arg) click to toggle source

Generates a Source object @param arg Either a String, or an IO @return a Source, or nil if a bad argument was given

 
               # File rexml-3.2.5/lib/rexml/source.rb, line 10
def SourceFactory::create_from(arg)
  if arg.respond_to? :read and
      arg.respond_to? :readline and
      arg.respond_to? :nil? and
      arg.respond_to? :eof?
    IOSource.new(arg)
  elsif arg.respond_to? :to_str
    require 'stringio'
    IOSource.new(StringIO.new(arg))
  elsif arg.kind_of? Source
    arg
  else
    raise "#{arg.class} is not a valid input stream.  It must walk \n"+
      "like either a String, an IO, or a Source."
  end
end