Module: ActionView::Helpers::TagHelper

Includes:
ERB::Util
Included in:
InstanceTag
Defined in:
lib/action_view/helpers/tag_helper.rb

Overview

This is poor man’s Builder for the rare cases where you need to programmatically make tags but can’t use Builder.

Instance Method Summary collapse

Instance Method Details

#cdata_section(content) ⇒ Object

Returns a CDATA section for the given content. CDATA sections are used to escape blocks of text containing characters which would otherwise be recognized as markup. CDATA sections begin with the string <![CDATA[ and end with (and may not contain) the string ]]>.



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# File 'lib/action_view/helpers/tag_helper.rb', line 30

def cdata_section(content)
  "<![CDATA[#{content}]]>"
end

#content_tag(name, content, options = nil) ⇒ Object

Examples:

  • content_tag("p", "Hello world!") => <p>Hello world!</p>

  • content_tag("div", content_tag("p", "Hello world!"), "class" => "strong") => <div class="strong"><p>Hello world!</p></div>



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# File 'lib/action_view/helpers/tag_helper.rb', line 21

def content_tag(name, content, options = nil)
  "<#{name}#{tag_options(options.stringify_keys) if options}>#{content}</#{name}>"
end

#tag(name, options = nil, open = false) ⇒ Object

Examples:

  • tag("br") => <br />

  • tag("input", { "type" => "text"}) => <input type="text" />



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# File 'lib/action_view/helpers/tag_helper.rb', line 13

def tag(name, options = nil, open = false)
  "<#{name}#{tag_options(options.stringify_keys) if options}" + (open ? ">" : " />")
end