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  • ruby-3.1.2/lib/erb.rb

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ERB::Util

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

Public Class Methods

h(s) click to toggle source
Alias for: html_escape
html_escape(s) click to toggle source

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?
 
               # File ruby-3.1.2/lib/erb.rb, line 1001
def html_escape(s)
  CGI.escapeHTML(s.to_s)
end
Also aliased as: h
u(s) click to toggle source
Alias for: url_encode
url_encode(s) click to toggle source

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
 
               # File ruby-3.1.2/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
Also aliased as: u

Private Instance Methods

h(s) click to toggle source
Alias for: html_escape
html_escape(s) click to toggle source

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?
 
               # File ruby-3.1.2/lib/erb.rb, line 1001
def html_escape(s)
  CGI.escapeHTML(s.to_s)
end
Also aliased as: h
u(s) click to toggle source
Alias for: url_encode
url_encode(s) click to toggle source

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
 
               # File ruby-3.1.2/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
Also aliased as: u