class Rouge::Lexers::YAML

Constants

SPECIAL_VALUES

Public Class Methods

detect?(text) click to toggle source
# File lib/rouge/lexers/yaml.rb, line 13
def self.detect?(text)
  # look for the %YAML directive
  return true if text =~ /\A\s*%YAML/m
end

Public Instance Methods

continue_indent(match) click to toggle source
# File lib/rouge/lexers/yaml.rb, line 61
def continue_indent(match)
  puts "    yaml: continue_indent" if @debug
  @next_indent += match.size
end
dedent?(level) click to toggle source
# File lib/rouge/lexers/yaml.rb, line 36
def dedent?(level)
  level < self.indent
end
indent() click to toggle source
# File lib/rouge/lexers/yaml.rb, line 31
def indent
  raise 'empty indent stack!' if @indent_stack.empty?
  @indent_stack.last
end
indent?(level) click to toggle source
# File lib/rouge/lexers/yaml.rb, line 40
def indent?(level)
  level > self.indent
end
reset_indent() click to toggle source

reset the indentation levels

# File lib/rouge/lexers/yaml.rb, line 24
def reset_indent
  puts "    yaml: reset_indent" if @debug
  @indent_stack = [0]
  @next_indent = 0
  @block_scalar_indent = nil
end
save_indent(match) click to toggle source

Save a possible indentation level

# File lib/rouge/lexers/yaml.rb, line 45
def save_indent(match)
  @next_indent = match.size
  puts "    yaml: indent: #{self.indent}/#@next_indent" if @debug
  puts "    yaml: popping indent stack - before: #@indent_stack" if @debug
  if dedent?(@next_indent)
    @indent_stack.pop while dedent?(@next_indent)
    puts "    yaml: popping indent stack - after: #@indent_stack" if @debug
    puts "    yaml: indent: #{self.indent}/#@next_indent" if @debug

    # dedenting to a state not previously indented to is an error
    [match[0...self.indent], match[self.indent..-1]]
  else
    [match, '']
  end
end
set_indent(match, opts={}) click to toggle source
# File lib/rouge/lexers/yaml.rb, line 66
def set_indent(match, opts={})
  if indent < @next_indent
    puts "    yaml: indenting #{indent}/#{@next_indent}" if @debug
    @indent_stack << @next_indent
  end

  @next_indent += match.size unless opts[:implicit]
end