Module: Commandorobo::Utils

Included in:
Commandorobo
Defined in:
lib/util.rb

Overview

Utilities for commandorobo.

Class Method Summary collapse

Class Method Details

.consume_switch(str) ⇒ Hash

Gets switches from text.

Parameters:

  • str (String) —

    String to parse.

Returns:

  • (Hash) —

    Switches as a hash.



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

def self.consume_switch(str)
    nextarg = nil
    parsed = false
    switches = {}
    ws = str.split(' ')
    ws.each_with_index do |k, i|
        parsed = false
        if k.start_with?('-') && k.length > 1
            # oh heck a switch
            if k[1] == '-'
                # oh heck another switch
                k = self.nodash(k)
                switches[k.to_sym] = ws[i+1].nil? && !ws[i+1].start_with?('-') ? true : ws[i+1]
            else
                # no double-switch: interpret literally
                k = self.nodash(k)
                if k.length == 1
                    switches[k.to_sym] = ws[i+1].nil? && !ws[i+1].start_with?('-') ? true : ws[i+1]
                else
                    k.chars.each do |l|
                        switches[l.to_sym] = true
                    end
                    switches[switches.keys.last] = ws[i+1].nil? && !ws[i+1].start_with?('-') ? true : ws[i+1]
                end
            end
        end
    end
    return switches
end

.nodash(i) ⇒ String

Removes dashes. Used internally.

Parameters:

  • i (String) —

    String to remove dashes from.

Returns:

  • (String) —

    String with no dashes.



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# File 'lib/util.rb', line 10

def self.nodash(i)
    i.split('').reject {|j| j == '-'}.join('')
end

.remove_switch(str) ⇒ Array

Does the opposite of consume_switch, it removes switches.

Parameters:

  • str (String) —

    String to parse.

Returns:

  • (Array) —

    A raw array of removed switches.



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# File 'lib/util.rb', line 50

def self.remove_switch(str)
    parsed = []
    skip = false
    str.split(' ').each do |i|
        if skip
            skip = false
            next
        end
        if i.start_with?('-') && i.length > 1
            skip = true
        else
            parsed << i
        end
    end
    parsed
end