Module: ERB::Util

Defined in:
lib/erb.rb

Overview

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

Class Method Summary collapse

Class Method Details

.h ⇒ Object

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?



914
915
916
 
# File 'lib/erb.rb', line 914

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

.html_escape(s) ⇒ Object

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?



911
912
913
 
# File 'lib/erb.rb', line 911

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

.u ⇒ Object

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



935
936
937
938
939
 
# File 'lib/erb.rb', line 935

def url_encode(s)
  s.to_s.dup.force_encoding("ASCII-8BIT").gsub(/[^a-zA-Z0-9_\-.]/n) {
    sprintf("%%%02X", $&.unpack("C")[0])
  }
end

.url_encode(s) ⇒ Object

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



930
931
932
933
934
 
# File 'lib/erb.rb', line 930

def url_encode(s)
  s.to_s.dup.force_encoding("ASCII-8BIT").gsub(/[^a-zA-Z0-9_\-.]/n) {
    sprintf("%%%02X", $&.unpack("C")[0])
  }
end