Module: ERB::Util

Relationships & Source Files
Defined in:	lib/erb.rb

Overview

A utility module for conversion routines, often handy in HTML generation.

.h(s) mod_func

Alias for #html_escape.
.html_escape(s) (also: #h) mod_func

A utility method for escaping HTML tag characters in s.
.u(s) mod_func

Alias for #url_encode.
.url_encode(s) (also: #u) mod_func

A utility method for encoding the String s as a URL.

[ GitHub ]

# File 'lib/erb.rb', line 1005


alias h html_escape

A utility method for escaping HTML tag characters in s.

require "erb"
include ERB::Util

puts html_escape("is a > 0 & a < 10?")

Generates

is a &gt; 0 &amp; a &lt; 10?

[ GitHub ]

# File 'lib/erb.rb', line 1002


def html_escape(s)
  CGI.escapeHTML(s.to_s)
end

[ GitHub ]

# File 'lib/erb.rb', line 1026


alias u url_encode

A utility method for encoding the String s as a URL.

require "erb"
include ERB::Util

puts url_encode("Programming Ruby:  The Pragmatic Programmer's Guide")

Generates

Programming%20Ruby

[ GitHub ]

# File 'lib/erb.rb', line 1021


def url_encode(s)
  s.to_s.b.gsub(/[^a-zA-Z0-9_\-.~]/n) { |m|
    sprintf("%%%02X", m.unpack1("C"))
  }
end