Module: ERB::Util

Defined in:
lib/erb.rb

Overview

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

Instance Method Summary collapse

Instance Method Details

#html_escape(s) ⇒ Object Also known as: h

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?



788
789
790
 
# File 'lib/erb.rb', line 788

def html_escape(s)
  s.to_s.gsub(/&/, "&amp;").gsub(/\"/, "&quot;").gsub(/>/, "&gt;").gsub(/</, "&lt;")
end

#url_encode(s) ⇒ Object Also known as: u

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%3A%20%20The%20Pragmatic%20Programmer%27s%20Guide



807
808
809
 
# File 'lib/erb.rb', line 807

def url_encode(s)
  s.to_s.gsub(/[^a-zA-Z0-9_\-.]/n){ sprintf("%%%02X", $&.unpack("C")[0]) }
end