Class: RVC::RubyEvaluator

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/rvc/ruby_evaluator.rb

Constant Summary

Constants included from Util

Util::PROGRESS_BAR_LEFT, Util::PROGRESS_BAR_MIDDLE, Util::PROGRESS_BAR_RIGHT, Util::UserError

Instance Method Summary collapse

Methods included from Util

#collect_children, #display_inventory, #err, #http_clone, #http_download, #http_upload, #interactive?, #menu, #metric, #one_progress, #progress, #retrieve_fields, #search_path, #single_connection, #status_color, #system_fg, #tasks, #tcsetpgrp, #terminal_columns

Constructor Details

#initialize(shell) ⇒ RubyEvaluator

Returns a new instance of RubyEvaluator.



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# File 'lib/rvc/ruby_evaluator.rb', line 28

def initialize shell
  @binding = toplevel
  @shell = shell
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *a) ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 65

def method_missing sym, *a
  if a.empty?
    if @shell.cmds.namespaces.member? sym
      @shell.cmds.namespaces[sym]
    elsif sym.to_s =~ /_?([\w\d]+)(!?)/ && objs = @shell.fs.marks[$1]
      if $2 == '!'
        objs
      else
        objs.first
      end
    else
      super
    end
  else
    super
  end
end

Instance Method Details

#conn ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 57

def conn
  @shell.fs.lookup("~@").first
end

#dc ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 53

def dc
  @shell.fs.lookup("~").first
end

#do_eval(input, file) ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 37

def do_eval input, file
  begin
    eval input, @binding, file
  rescue Exception => e
    bt = e.backtrace
    bt = bt.reverse.drop_while { |x| !(x =~ /toplevel/) }.reverse
    bt[-1].gsub! ':in `toplevel\'', '' if bt[-1]
    e.set_backtrace bt
    raise
  end
end

#rvc_exec(command) ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 61

def rvc_exec command
  @shell.eval_command command
end

#this ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 49

def this
  @shell.fs.cur
end

#toplevel ⇒ Object 



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# File 'lib/rvc/ruby_evaluator.rb', line 33

def toplevel
  binding
end