Module: Voodoo::CommandPostProcessor

Included in:
GasELFGenerator, NasmELFGenerator
Defined in:
lib/voodoo/generators/command_postprocessor.rb

Overview

Utility functions for classes that use commands to postprocess generator output.

Class Method Summary collapse

Class Method Details

.shell_encode(string) ⇒ Object

Encodes a string so that it is safe for use as a shell argument



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# File 'lib/voodoo/generators/command_postprocessor.rb', line 11

def shell_encode string
  '"' + string.gsub(/([\\`"$\n])/, "\\\\\\1") + '"'
end

.tempfile(extension, base = nil) ⇒ Object

Creates a temporary file and returns its name



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# File 'lib/voodoo/generators/command_postprocessor.rb', line 16

def tempfile extension, base = nil
  base = self.class.name unless base
  file = Tempfile.open(basename + extension)
  name = file.path
  file.close
  name
end

.write_file_to_io(filename, io) ⇒ Object

Writes the contents of the named file to an IO handle



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# File 'lib/voodoo/generators/command_postprocessor.rb', line 25

def write_file_to_io filename, io
  File.open(filename) { |file| io.write(file.read) }
end