module HTML
Overview
Provides HTML escaping and unescaping methods.
For HTML parsing see module XML, especially XML.parse_html
.
Defined in:
html.crhtml/entities.cr
Class Method Summary
- .escape(string : String, io : IO) : Nil
Same as
.escape(string)
but outputs the result to the given io. - .escape(string : String) : String
Escapes special characters in HTML, namely
&
,<
,>
,"
and'
. - .unescape(string : String) : String
Returns a string where named and numeric character references (e.g.
Class Method Detail
def self.escape(string : String, io : IO) : NilSource
Same as .escape(string)
but outputs the result to the given io.
require "html" io = IO::Memory.new HTML.escape("Crystal & You", io) # => nil io.to_s # => "Crystal & You"
def self.escape(string : String) : StringSource
Escapes special characters in HTML, namely &
, <
, >
, "
and '
.
require "html" HTML.escape("Crystal & You") # => "Crystal & You"
def self.unescape(string : String) : StringSource
Returns a string where named and numeric character references (e.g. >, >, >) in string are replaced with the corresponding unicode characters. This method decodes all HTML5 entities including those without a trailing semicolon (such as "©").
require "html" HTML.unescape("Crystal & You") # => "Crystal & You"
© 2012–2021 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.2.1/HTML.html