Module: Katte::Plugins::FileType

Extended by:
Base
Included in:
Bash, Debug, Hive, R, Rubyn
Defined in:
lib/katte/plugins/file_type.rb

Defined Under Namespace

Classes: Bash, Debug, Hive, R, Rubyn

Instance Method Summary collapse

Methods included from Base

define_keyword, find, included, index, plugins, register

Instance Method Details

#convert_variable(value) ⇒ Object 



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# File 'lib/katte/plugins/file_type.rb', line 43

def convert_variable(value)
  # #{xx} というパターンを env['xx'] で置換する
  value.gsub(/\#\{((?:\\\{|[^\{])+)\}/) {|m| Katte.app.env.to_hash[$1]}
end

#parse(path) ⇒ Object 



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# File 'lib/katte/plugins/file_type.rb', line 15

def parse(path)
  c = Regexp.escape(comment_by)
  @comment_pattern   ||= /^#{c}|^\s*$/
  @directive_pattern ||= %r{
      ^#{c}\s*                    # comment
      (?<key>\w+)\s*:\s*          # key
      (?<value>[^(\s]+)           # value
      (\((?<params>[^)]*)\))?     # param (optional)
      $
    }x

  directive = Hash.new {|h,k| h[k] = [] }
  open(path) do |io|
    while line = io.gets
      line.chomp!
      break unless     @comment_pattern.match(line)
      next  unless m = @directive_pattern.match(line)

      key    = m[:key]
      value  = m[:value].strip
      params = m[:params] && m[:params].split(',').map(&:strip).map(&method(:convert_variable))

      directive[key] << [value, params]
    end
  end
  directive
end

#simple_exec(node, program, *args) ⇒ Object 



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# File 'lib/katte/plugins/file_type.rb', line 9

def simple_exec(node, program, *args)
  node.open {|out, err|
    system(Katte.app.env.to_hash, program, *args, :out => out, :err => err)
  }
end