Class: Rhino::IOReader

Inherits:
Object show all
Defined in:
lib/rhino/context.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ IOReader

Returns a new instance of IOReader.



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# File 'lib/rhino/context.rb', line 301

def initialize(io)
  @io = io
end

Instance Method Details

#read(buffer, offset, length) ⇒ Object

implement int Reader#read(char[] buffer, int offset, int length)



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# File 'lib/rhino/context.rb', line 306

def read(buffer, offset, length)
  str = nil
  begin
    str = @io.read(length)
  rescue StandardError => e
    raise java.io.IOException.new("failed reading from ruby IO object")
  end
  if str.nil?
    return -1
  else
    jstr = str.to_java
    for i in 0 .. jstr.length - 1
      buffer[i + offset] = jstr.charAt(i)
    end
    return jstr.length
  end
end