Class: FXIRBInputMethod

Inherits:
IRB::StdioInputMethod
  • Object
show all
Defined in:
lib/fxirb.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FXIRBInputMethod

Returns a new instance of FXIRBInputMethod.



24
25
26
27
28
29
30
31
32
 
# File 'lib/fxirb.rb', line 24

def initialize
  super 
  @history = 1
  @begin = nil
  @end = nil
  @print_prompt = true
  @continued_from = nil
  @gets_mode = false
end

Instance Attribute Details

#gets_mode ⇒ Object

Returns the value of attribute gets_mode.



22
23
24
 
# File 'lib/fxirb.rb', line 22

def gets_mode
  @gets_mode
end

#print_prompt ⇒ Object

Returns the value of attribute print_prompt.



22
23
24
 
# File 'lib/fxirb.rb', line 22

def print_prompt
  @print_prompt
end

Instance Method Details

#gets ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
 
# File 'lib/fxirb.rb', line 34

def gets 
  if @gets_mode
    return FXIrb.instance.get_line
  end

  if (a = @prompt.match(/(\d+)[>*]/))
    level = a[1].to_i
    continued = @prompt =~ /\*\s*$/
  else
    level = 0
  end

  if level > 0 or continued
    @continued_from ||= @line_no
  elsif @continued_from
    merge_last(@line_no-@continued_from+1)
    @continued_from = nil
  end

  l = @line.length
  @line = @line.reverse.uniq.reverse
  delta = l - @line.length
  @line_no -= delta
  @history -= delta

  if print_prompt
    print @prompt

    #indentation
    print "  "*level
  end

  str = FXIrb.instance.get_line

  @line_no += 1
  @history = @line_no + 1
  @line[@line_no] = str

  str
end

#merge_last(i) ⇒ Object

merge a block spanning several lines into one n-separated line



76
77
78
79
80
81
82
 
# File 'lib/fxirb.rb', line 76

def merge_last(i)
  return unless i > 1
  range = -i..-1
  @line[range] = @line[range].join
  @line_no -= (i-1)
  @history -= (i-1)
end

#next_cmd ⇒ Object 



94
95
96
97
98
99
100
101
102
 
# File 'lib/fxirb.rb', line 94

def next_cmd
  return "" if @gets_mode

  if (@line_no > 0) && (@history < @line_no)
    @history += 1
    return line(@history)
  end
  return ""
end

#prev_cmd ⇒ Object 



84
85
86
87
88
89
90
91
92
 
# File 'lib/fxirb.rb', line 84

def prev_cmd
  return "" if @gets_mode

  if @line_no > 0
    @history -= 1 unless @history <= 1
    return line(@history)
  end
  return ""
end