module Musicality::Parsing::Duration
Public Instance Methods
_nt_den_only()
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# File lib/musicality/notation/parsing/duration_parsing.rb, line 160 def _nt_den_only start_index = index if node_cache[:den_only].has_key?(index) cached = node_cache[:den_only][index] if cached node_cache[:den_only][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true @index = cached.interval.end end return cached end i0, s0 = index, [] if (match_len = has_terminal?("/", false, index)) r1 = true @index += match_len else terminal_parse_failure('"/"') r1 = nil end s0 << r1 if r1 r2 = _nt_positive_integer s0 << r2 end if s0.last r0 = instantiate_node(DenOnlyNode,input, i0...index, s0) r0.extend(DenOnly0) else @index = i0 r0 = nil end node_cache[:den_only][start_index] = r0 r0 end
_nt_duration()
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# File lib/musicality/notation/parsing/duration_parsing.rb, line 16 def _nt_duration start_index = index if node_cache[:duration].has_key?(index) cached = node_cache[:duration][index] if cached node_cache[:duration][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true @index = cached.interval.end end return cached end i0 = index r1 = _nt_num_and_den if r1 r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true r0 = r1 else r2 = _nt_num_only if r2 r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true r0 = r2 else r3 = _nt_den_only if r3 r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true r0 = r3 else @index = i0 r0 = nil end end end node_cache[:duration][start_index] = r0 r0 end
_nt_num_and_den()
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# File lib/musicality/notation/parsing/duration_parsing.rb, line 64 def _nt_num_and_den start_index = index if node_cache[:num_and_den].has_key?(index) cached = node_cache[:num_and_den][index] if cached node_cache[:num_and_den][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true @index = cached.interval.end end return cached end i0, s0 = index, [] r1 = _nt_positive_integer s0 << r1 if r1 if (match_len = has_terminal?("/", false, index)) r2 = true @index += match_len else terminal_parse_failure('"/"') r2 = nil end s0 << r2 if r2 r3 = _nt_positive_integer s0 << r3 end end if s0.last r0 = instantiate_node(NumDenNode,input, i0...index, s0) r0.extend(NumAndDen0) else @index = i0 r0 = nil end node_cache[:num_and_den][start_index] = r0 r0 end
_nt_num_only()
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# File lib/musicality/notation/parsing/duration_parsing.rb, line 112 def _nt_num_only start_index = index if node_cache[:num_only].has_key?(index) cached = node_cache[:num_only][index] if cached node_cache[:num_only][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true @index = cached.interval.end end return cached end i0, s0 = index, [] r1 = _nt_positive_integer s0 << r1 if r1 if (match_len = has_terminal?("/", false, index)) r3 = true @index += match_len else terminal_parse_failure('"/"') r3 = nil end if r3 r2 = r3 else r2 = instantiate_node(SyntaxNode,input, index...index) end s0 << r2 end if s0.last r0 = instantiate_node(NumOnlyNode,input, i0...index, s0) r0.extend(NumOnly0) else @index = i0 r0 = nil end node_cache[:num_only][start_index] = r0 r0 end
root()
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# File lib/musicality/notation/parsing/duration_parsing.rb, line 10 def root @root ||= :duration end