module Temple::Utils

@api public

Constants

ESCAPE_HTML

Used by #escape_html @api private

ESCAPE_HTML_PATTERN

On 1.8, there is a kcode = 'u' bug that allows for XSS otherwise TODO doesn't apply to jruby, so a better condition above might be preferable?

Public Instance Methods

empty_exp?(exp) click to toggle source

Check if expression is empty

@param exp [Array] Temple expression @return true if expression is empty

# File lib/temple/utils.rb, line 81
def empty_exp?(exp)
  case exp[0]
  when :multi
    exp[1..-1].all? {|e| empty_exp?(e) }
  when :newline
    true
  else
    false
  end
end
escape_html(html) click to toggle source

Returns an escaped copy of `html`.

@param html [String] The string to escape @return [String] The escaped string

# File lib/temple/utils.rb, line 26
def escape_html(html)
  EscapeUtils.escape_html(html.to_s, false)
end
escape_html_safe(html) click to toggle source

Returns an escaped copy of `html`. Strings which are declared as html_safe are not escaped.

@param html [String] The string to escape @return [String] The escaped string

# File lib/temple/utils.rb, line 17
def escape_html_safe(html)
  html.html_safe? ? html : escape_html(html)
end
unique_name(prefix = nil) click to toggle source

Generate unique variable name

@param prefix [String] Variable name prefix @return [String] Variable name

# File lib/temple/utils.rb, line 71
def unique_name(prefix = nil)
  @unique_name ||= 0
  prefix ||= (@unique_prefix ||= self.class.name.gsub('::', '_').downcase)
  "_#{prefix}#{@unique_name += 1}"
end