Module: Lydown::Parsing::RootMethods

Included in:
Barline, DurationMacroExpression, Root
Defined in:
lib/lydown/parsing/nodes.rb

Instance Method Summary collapse

Instance Method Details

#_to_stream(element, stream, opts) ⇒ Object 



3
4
5
6
7
8
9
10
11
12
 
# File 'lib/lydown/parsing/nodes.rb', line 3

def _to_stream(element, stream, opts)
  if element.elements
    element.elements.each do |e|
      e.respond_to?(:to_stream) ? 
        e.to_stream(stream, opts) : 
        _to_stream(e, stream, opts)
    end
  end
  stream
end

#add_event(stream, opts, type) ⇒ Object 



53
54
55
 
# File 'lib/lydown/parsing/nodes.rb', line 53

def add_event(stream, opts, type)
  stream << event_hash(stream, opts, {type: type})
end

#each_child(ele = nil, &block) ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/lydown/parsing/nodes.rb', line 14

def each_child(ele = nil, &block)
  ele ||= elements
  return unless ele

  ele.each do |e|
    block[e] if e.respond_to?(:to_stream)
    each_child(e.elements, &block) if e.elements
  end
end

#event_hash(stream, opts, hash = {}) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/lydown/parsing/nodes.rb', line 29

def event_hash(stream, opts, hash = {})
  if opts[:proof_mode] && (source = opts[:source])
    last = stream.last
    if last && (last[:type] == :source_ref) && last[:line]
      line, column = last[:line], last[:column]
    else
      line, column = source.find_line_and_column(interval.first)
    end

    hash.merge({
      filename: opts[:filename],
      source: source,
      line: line,
      column: column
    })
  else
    hash
  end
ensure
  if $progress_bar
    $progress_bar.progress = (opts[:progress_base] || 0) + interval.end
  end
end

#to_stream(stream = [], opts = {}) ⇒ Object 



24
25
26
27
 
# File 'lib/lydown/parsing/nodes.rb', line 24

def to_stream(stream = [], opts = {})
  _to_stream(self, stream, opts)
  stream
end