Class: LogicTools::Indenter

Inherits:
Object
  • Object
show all
Defined in:
lib/logic_tools/traces.rb

Overview

Small class for indenting

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Indenter

Creates a new indenter.



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# File 'lib/logic_tools/traces.rb', line 9

def initialize
    @indent = 0
end

Instance Method Details

#dec(value = 1) ⇒ Object

Decreases the indent level by value.

NOTE: 
* the indent level cannot be bellow 0.
* the value can be negative.



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# File 'lib/logic_tools/traces.rb', line 28

def dec(value = 1)
    @indent -= value.to_i
    @indent = 0 if @indent < 0
end

#inc(value = 1) ⇒ Object

Increase the indent level by value.

NOTE:
* the indent level cannot be bellow 0.
* the value can be negative.



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# File 'lib/logic_tools/traces.rb', line 18

def inc(value = 1)
    @indent += value.to_i
    @indent = 0 if @indent < 0
end

#to_s ⇒ Object

Converts to a string (generates the indent.)



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# File 'lib/logic_tools/traces.rb', line 34

def to_s
    return " " * @indent
end