Class: Intar

Inherits:
Object show all
Defined in:
lib/intar/version.rb,
lib/intar.rb,
lib/intar/prompt.rb,
lib/intar/redirect.rb

Overview

intar/version.rb – Version number

Defined Under Namespace

Classes: Failed, Prompt, Quit, Redirect, RedirectFile, RedirectNone, RedirectPipe

Constant Summary collapse

DEFAULTS = 
{
  prompt:     "%(32)c%i%c:%1c%03n%c%> ",
  color:      true,
  show:       1,
  shownil:    false,
  pager:      nil,
  catch_exit: false,
  histhid:    true,
  histfile:   nil,
  histmax:    500,
}
VERSION = 
"2.0".freeze

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj = nil, **params) ⇒ Intar

Returns a new instance of Intar.



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# File 'lib/intar.rb', line 77

def initialize obj = nil, **params
  @obj = obj.nil? ? (eval "self", TOPLEVEL_BINDING) : obj
  @params = DEFAULTS.dup.update params
  @binding = @obj.intar_binding
  @n = 0
  @prompt = Prompt.new
end

Class Attribute Details

.metacmds ⇒ Object (readonly)

Returns the value of attribute metacmds.



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# File 'lib/intar.rb', line 286

def metacmds
  @metacmds
end

Class Method Details

.open(obj = nil, **params) {|i| ... } ⇒ Object

Yields:

  • (i) 


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# File 'lib/intar.rb', line 53

def open obj = nil, **params
  i = new obj, **params
  yield i
end

.run(obj = nil, **params) ⇒ Object 



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# File 'lib/intar.rb', line 58

def run obj = nil, **params
  open obj, **params do |i| i.run end
end

Instance Method Details

#execute(code) ⇒ Object 



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# File 'lib/intar.rb', line 126

def execute code
  eval code, @binding, "#{self.class}/execute"
end

#run ⇒ Object 



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# File 'lib/intar.rb', line 89

def run
  prompt_load_history
  oldset = eval OLDSET, @binding
  while l = readline do
    begin
      @redir = find_redirect l
      r = if l =~ /\A\\(\w+|.)\s*(.*?)\s*\Z/ then
        m = get_metacommand $1
        send m.method, (eval_param $2)
      else
        begin
          @redir.redirect_output do eval l, @binding, @file end
        rescue SyntaxError
          raise if l.end_with? $/
          @previous = l
          next
        end
      end
    rescue Quit
      break
    rescue Failed
      switchcolor 31, 1
      puts $!
      switchcolor
      r = $!
    rescue Exception
      raise if SystemExit === $! and not @params[ :catch_exit]
      show_exception
      r = $!
    else
      display r
    end
    oldset.call r, @n
  end
  prompt_save_history
end