class Rugments::Lexers::YAML

Public Class Methods

analyze_text(text) click to toggle source
# File lib/rugments/lexers/yaml.rb, line 10
def self.analyze_text(text)
  # look for the %YAML directive
  return 1 if text =~ /\A\s*%YAML/m
end

Public Instance Methods

continue_indent(match) click to toggle source
# File lib/rugments/lexers/yaml.rb, line 57
def continue_indent(match)
  puts '    yaml: continue_indent' if @debug
  @next_indent += match.size
end
dedent?(level) click to toggle source
# File lib/rugments/lexers/yaml.rb, line 32
def dedent?(level)
  level < indent
end
indent() click to toggle source
# File lib/rugments/lexers/yaml.rb, line 27
def indent
  fail 'empty indent stack!' if @indent_stack.empty?
  @indent_stack.last
end
indent?(level) click to toggle source
# File lib/rugments/lexers/yaml.rb, line 36
def indent?(level)
  level > indent
end
reset_indent() click to toggle source

reset the indentation levels

# File lib/rugments/lexers/yaml.rb, line 20
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/rugments/lexers/yaml.rb, line 41
def save_indent(match)
  @next_indent = match.size
  puts "    yaml: indent: #{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: #{indent}/#{@next_indent}" if @debug

    # dedenting to a state not previously indented to is an error
    [match[0...indent], match[indent..-1]]
  else
    [match, '']
  end
end
set_indent(match, opts = {}) click to toggle source
# File lib/rugments/lexers/yaml.rb, line 62
def set_indent(match, opts = {})
  if indent < @next_indent
    @indent_stack << @next_indent
  end

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