Class: String

Inherits:
Object show all
Defined in:
lib/arachni/ruby/string.rb

Overview

Overloads the String class.

@author: Tasos “Zapotek” Laskos

<[email protected]>
<[email protected]>

@version: 0.1

Instance Method Summary collapse

Instance Method Details

#rdiff(str) ⇒ String

Gets the reverse diff between self and str on a word level.

self = <<END
This is the first test.
Not really sure what else to put here...
END

str = <<END
This is the second test.
Not really sure what else to put here...
Boo-Yah!
END

self.rdiff( str )
# => "This is the test.\nNot really sure what else to put here...\n"

Parameters:

Returns:



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/arachni/ruby/string.rb', line 44

def rdiff( str )

    return self if self == str

    # get the words of the first text in an array
    words1 = self.split( /\b/ )

    # get the words of the second text in an array
    words2 = str.split( /\b/ )

    # get all the words that are different between the 2 arrays
    # math style!
    changes  = words1 - words2
    changes << words2 - words1
    changes.flatten!

    # get what hasn't changed (the rdiff, so to speak) as a string
    return ( words1 - changes ).join( '' )

end

#substring?(string) ⇒ Boolean

Returns:

  • (Boolean) 


65
66
67
68
69
70
71
72
 
# File 'lib/arachni/ruby/string.rb', line 65

def substring?( string )
    begin
        match = match( Regexp.new( Regexp.escape( string ) ) )
        match && !match.to_s.empty?
    rescue
        return nil
    end
end