ERB::Util

Module

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

Class Methods

h(s)

html_escape(s)

          
            # File tmp/rubies/ruby-3.0.5/lib/erb.rb, line 1001
def html_escape(s)
  CGI.escapeHTML(s.to_s)
end

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?

u(s)

lib/erb.rb View on GitHub

An alias for url_encode

url_encode(s)

lib/erb.rb View on GitHub

          
            # File tmp/rubies/ruby-3.0.5/lib/erb.rb, line 1020
def url_encode(s)
  s.to_s.b.gsub(/[^a-zA-Z0-9_\-.~]/n) { |m|
    sprintf("%%%02X", m.unpack1("C"))
  }
end

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

Instance Methods

h(s)

lib/erb.rb View on GitHub

An alias for html_escape

html_escape(s)

lib/erb.rb View on GitHub

          
            # File tmp/rubies/ruby-3.0.5/lib/erb.rb, line 1001
def html_escape(s)
  CGI.escapeHTML(s.to_s)
end

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?

u(s)

lib/erb.rb View on GitHub

An alias for url_encode

url_encode(s)

lib/erb.rb View on GitHub

          
            # File tmp/rubies/ruby-3.0.5/lib/erb.rb, line 1020
def url_encode(s)
  s.to_s.b.gsub(/[^a-zA-Z0-9_\-.~]/n) { |m|
    sprintf("%%%02X", m.unpack1("C"))
  }
end

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