class HamdownCore::FilterParser

Public Class Methods

new(indent_tracker) click to toggle source
# File lib/hamdown_core/filter_parser.rb, line 6
def initialize(indent_tracker)
  @ast = nil
  @indent_level = nil
  @indent_tracker = indent_tracker
end

Public Instance Methods

append(line) click to toggle source
# File lib/hamdown_core/filter_parser.rb, line 23
def append(line)
  indent, text = @indent_tracker.split(line)
  if text.empty?
    @ast.texts << ''
    return
  end
  indent_level = indent.size

  if @indent_level
    if indent_level < @indent_level
      # Finish filter
      @indent_level = nil
      ast = @ast
      @ast = nil
      return ast
    end
  elsif indent_level > @indent_tracker.current_level
    # Start filter
    @indent_level = indent_level
  else
    # Empty filter
    @ast = nil
    return nil
  end

  text = line[@indent_level..-1]
  @ast.texts << text
  nil
end
enabled?() click to toggle source
# File lib/hamdown_core/filter_parser.rb, line 12
def enabled?
  !@ast.nil?
end
finish() click to toggle source
# File lib/hamdown_core/filter_parser.rb, line 53
def finish
  @ast
end
start(name, filename, lineno) click to toggle source
# File lib/hamdown_core/filter_parser.rb, line 16
def start(name, filename, lineno)
  @ast = Ast::Filter.new
  @ast.name = name
  @ast.filename = filename
  @ast.lineno = lineno
end