class Rouge::Formatters::HTML

# File lib/rouge/formatters/html.rb, line 16
def self.assert_html_formatter!(formatter)
  return formatter if formatter.respond_to?(:span)

  raise ArgumentError.new("Expected an instance of Rouge::Formatters::HTML, got #{formatter.class}. Try HTML, HTMLDebug, or HTMLInline.")
end

# File lib/rouge/formatters/html.rb, line 35
def safe_span(tok, safe_val)
  if tok == Token::Tokens::Text
    safe_val
  else
    shortname = tok.shortname or raise "unknown token: #{tok.inspect} for #{safe_val.inspect}"

    "<span class=\"#{shortname}\">#{safe_val}</span>"
  end
end

# File lib/rouge/formatters/html.rb, line 29
def span(tok, val)
  return val if escape?(tok)

  safe_span(tok, escape_special_html_chars(val))
end

# File lib/rouge/formatters/html.rb, line 25
def stream(tokens, &b)
  tokens.each { |tok, val| yield span(tok, val) }
end

# File lib/rouge/formatters/html.rb, line 56
def escape_special_html_chars(value)
  return value unless value =~ ESCAPE_REGEX

  value.gsub(ESCAPE_REGEX, TABLE_FOR_ESCAPE_HTML)
end