method

xml_name_escape

v7.1.3.2 - Show latest stable - 0 notes - Class: ERB::Util

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What's this?

xml_name_escape(name) public

A utility method for escaping XML names of tags and names of attributes.

xml_name_escape('1 < 2 & 3')
# => "1___2___3"

It follows the requirements of the specification: www.w3.org/TR/REC-xml/#NT-Name

Show source

# File activesupport/lib/active_support/core_ext/erb/util.rb, line 142
    def xml_name_escape(name)
      name = name.to_s
      return "" if name.blank?
      return name if name.match?(SAFE_XML_TAG_NAME_REGEXP)

      starting_char = name[0]
      starting_char.gsub!(INVALID_TAG_NAME_START_REGEXP, TAG_NAME_REPLACEMENT_CHAR)

      return starting_char if name.size == 1

      following_chars = name[1..-1]
      following_chars.gsub!(INVALID_TAG_NAME_FOLLOWING_REGEXP, TAG_NAME_REPLACEMENT_CHAR)

      starting_char << following_chars
    end

xml_name_escape

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