Module: Eskimo::HTML::Util

Defined in:
lib/eskimo/html/util.rb

Constant Summary collapse

TAG_NAME_START_CODEPOINTS = 
"@:A-Z_a-z\u{C0}-\u{D6}\u{D8}-\u{F6}\u{F8}-\u{2FF}\u{370}-\u{37D}\u{37F}-\u{1FFF}" \
"\u{200C}-\u{200D}\u{2070}-\u{218F}\u{2C00}-\u{2FEF}\u{3001}-\u{D7FF}\u{F900}-\u{FDCF}" \
"\u{FDF0}-\u{FFFD}\u{10000}-\u{EFFFF}"
TAG_NAME_REPLACEMENT_CHAR = 
"_"
TAG_NAME_FOLLOWING_CODEPOINTS = 
"#{TAG_NAME_START_CODEPOINTS}\\-.0-9\u{B7}\u{0300}-\u{036F}\u{203F}-\u{2040}"
INVALID_TAG_NAME_FOLLOWING_REGEXP = 
/[^#{TAG_NAME_FOLLOWING_CODEPOINTS}]/
INVALID_TAG_NAME_START_REGEXP = 
/[^#{TAG_NAME_START_CODEPOINTS}]/
SAFE_XML_TAG_NAME_REGEXP = 
/\A[#{TAG_NAME_START_CODEPOINTS}][#{TAG_NAME_FOLLOWING_CODEPOINTS}]*\z/

Class Method Summary collapse

Class Method Details

.xml_name_escape(name) ⇒ Object

ref: <api.rubyonrails.org/classes/ERB/Util.html#method-c-xml_name_escape>



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# File 'lib/eskimo/html/util.rb', line 14

def self.xml_name_escape(name)
  name = name.to_s
  return "" if name.nil? || name == ''
  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