Class: XRB::IOBuffer

Inherits:
Object
  • Object
show all
Defined in:
lib/xrb/buffer.rb

Overview

Represents an IO buffer with a given path.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io, path: io.inspect) ⇒ IOBuffer

Create a new IO buffer from an IO object.



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# File 'lib/xrb/buffer.rb', line 104

def initialize(io, path: io.inspect)
  @io = io
  @path = path
  @cache = nil
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/xrb/buffer.rb', line 120

def path
  @path
end

#the path name of the buffer.(pathnameofthebuffer.) ⇒ Object (readonly) 



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# File 'lib/xrb/buffer.rb', line 120

attr :path

Instance Method Details

#encoding ⇒ Object 



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# File 'lib/xrb/buffer.rb', line 123

def encoding
  read.encoding
end

#freeze ⇒ Object

Freeze the buffer, caching the contents of the IO object.



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# File 'lib/xrb/buffer.rb', line 111

def freeze
  return self if frozen?
  
  read
  
  super
end

#read ⇒ Object

Read the contents of the IO object into the buffer.



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# File 'lib/xrb/buffer.rb', line 128

def read
  unless @cache
    @cache = @io.read.freeze
    @io.close
  end
  
  return @cache
end

#to_buffer ⇒ Object 



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# File 'lib/xrb/buffer.rb', line 138

def to_buffer
  Buffer.new(self.read, path: @path)
end