Module: Edit

Includes:
Operations
Included in:
Id
Defined in:
lib/edit.rb

Constant Summary

Constants included from Operations

Operations::Operand, Operations::Operator

Instance Method Summary collapse

Methods included from Operations

#process_operation, #process_operations

Instance Method Details

#edit(node, linearg = nil) ⇒ Object 



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# File 'lib/edit.rb', line 17

def edit node, linearg = nil
  @node = node
  @nodes[node] = [] if not @nodes[node]
  save
  run = true
  while run
    header node
    if linearg
      line = linearg
    else
      line = readline
    end
    expand line
    redo if line["%"]
    exit unless line
      if line == "#" 
        @msg = ""
        @raw = @raw.!
        if @raw
          @prompt = " # ".col 'blue'
        else
          @prompt = "<> ".col("cyan", "black")
        end

      elsif process_operations(line)
        msg ""
        edit node unless linearg
      else
 
        @msg = ""
        save
        if line != ""
          if @nodes[node].find_index(line) and not @raw and not linearg
              @path << node
              edit line unless linearg
          else
            ins node, line
          end
        elsif not linearg
          back node
        end
      end
    save
    break if linearg
  end
end

#expand(line) ⇒ Object 



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# File 'lib/edit.rb', line 6

def expand line
  return unless line["%"]
  regex = Regexp.new Readline.readline "regulair expression: ".col("cyan")
  @nodes[@node].collect{|n|
    n if n == n[regex]
  }.compact.each {|m|
    edit(@node, line.sub("%", m))
  }
end