Class: Derelict::Parser::Version

Inherits:

Derelict::Parser

• Object
• Derelict::Parser
• Derelict::Parser::Version

Extended by:

Memoist

Defined in:

lib/derelict/parser/version.rb,
lib/derelict/parser/version/invalid_format.rb

Overview

Parses the output of “vagrant –version”

Defined Under Namespace

Classes: InvalidFormat

Constant Summary

PARSE_VERSION_FROM_OUTPUT =

Regexp to extract the version from the “vagrant –version” output

/^Vagrant (?:v(?:ersion )?)?(.*)?$/

Instance Attribute Summary

Attributes inherited from Derelict::Parser

#output

Instance Method Summary

• #description ⇒ Object

  Provides a description of this Parser.

• #version ⇒ Object

  Determines the version of Vagrant based on the output.

Methods inherited from Derelict::Parser

#initialize

Methods included from Utils::Logger

#logger

Constructor Details

This class inherits a constructor from Derelict::Parser

Instance Method Details

#description ⇒ Object

Provides a description of this Parser

Mainly used for log messages.

# File 'lib/derelict/parser/version.rb', line 24

def description
  "Derelict::Parser::Version instance"
end

#version ⇒ Object

Determines the version of Vagrant based on the output

# File 'lib/derelict/parser/version.rb', line 13

def version
  logger.debug "Parsing version from output using #{description}"
  matches = output.match PARSE_VERSION_FROM_OUTPUT
  raise InvalidFormat.new output if matches.nil?
  matches.captures[0]
end