+# ignore this.
+# opening = map (string.atoi, re.split ('[\t ]+', opening))
+# (no_pages,no_systems, musicsize, fracindent) = tuple (opening)
+
+instruments = []
+while len (instruments) < no_instruments:
+ instruments.append (ls[0])
+ ls = ls[1:]
+
+class Staff:
+ def __init__ (self):
+ self.voices = ([],[])
+ self.clef = None
+ self.instrument = 0
+l = ls[0]
+ls = ls[1:]
+
+staffs = map (lambda x: Staff (), range(0, no_staffs))
+staff_idx = 0
+
+for s in staffs:
+ s.clef = l[0]
+ l = l[1:]
+
+# dump path
+ls = ls[1:]
+
+# dump more ?
+ls = ls[2:]
+
+actab = {-2: 'eses', -1: 'es', 0 : '', 1: 'is', 2:'isis'}
+
+def pitch_to_lily_string (tup):
+ (o,n,a) = tup
+
+ nm = chr((n + 2) % 7 + ord ('a'))
+ nm = nm + actab[a]
+ if o > 0:
+ nm = nm + "'" * o
+ elif o < 0:
+ nm = nm + "," * -o
+ return nm
+
+class Chord:
+ def __init__ (self):
+ self.pitches = []
+ self.dots = 0
+ self.basic_duration = 0
+
+ def dump (self):
+ str = ''
+
+ for p in self.pitches:
+ if str:
+ str = str + ' '
+ str = str + pitch_to_lily_string (p)
+
+ if len (self.pitches) > 1:
+ str = '<%s>' % str
+ elif len (self.pitches) == 0:
+ str = 'r'
+
+
+ sd = ''
+ if self.basic_duration == 0.5:
+ sd = '\\breve'
+ else:
+ sd = '%d' % self.basic_duration
+
+ str = str + sd + '.' * self.dots
+ return str
+
+
+input_left = string.join (ls, ' ')
+
+
+input_left = re.sub ('[ \t\n]+', ' ', input_left)
+
+SPACE=' \t\n'
+DIGITS ='0123456789'
+basicdur_table = {
+ 9: 0.5,
+ 0: 0 ,
+ 2: 2 ,
+ 4: 4 ,
+ 8: 8 ,
+ 1: 16,
+ 3: 32,
+ 6: 64
+ }
+
+class Parser:
+ def __init__ (self):
+ self.chords = []
+ self.forced_duration = None
+ self.last_octave = 4
+
+ def parse_note (self, str):
+ ch = Chord ()
+
+ name = None
+ if str[0] <> 'r':
+ name = (ord (str[0]) - ord('a') + 5) % 7
+ str = str[1:]
+
+ forced_duration = 0
+ alteration = 0
+ dots = 0
+ oct = None
+ durdigit = None
+ multibar = 0
+ while str[0] in 'dsfmnul0123456789.,':
+ c = str[0]
+ str = str[1:]
+ if c == 'f':
+ alteration = alteration -1
+ elif c == 'n':
+ alteration = 0
+ elif c == 'm':
+ multibar = 1
+ elif c == 's':
+ alteration = alteration +1
+ elif c == 'd':
+ dots = dots + 1
+ elif c in DIGITS and durdigit == None:
+ durdigit = string.atoi (c)
+ elif c in DIGITS:
+ oct = string.atoi (c) - 4
+ elif c == '.':
+ dots = dots+ 1
+ forced_duration = 2
+ elif c == ',':
+ forced_duration = 2
+
+
+ if durdigit:
+ ch.basic_duration = basicdur_table[durdigit]
+ self.last_basic_duration = ch.basic_duration
+ else:
+ ch.basic_duration = self.last_basic_duration
+
+ if name:
+ if oct:
+ self.last_octave =oct
+ else:
+ oct = self.last_octave
+
+ if name:
+ ch.pitches.append ((oct, name, alteration))
+
+ ch.dots = dots
+
+
+ if forced_duration:
+ self.forced_duration = ch.basic_duration / forced_duration
+
+
+ self.chords.append (ch)
+ while str[0] in SPACE:
+ str = str [1:]
+ return str
+
+
+parser = Parser()
+while input_left:
+ while input_left[0] in 'abcdefgr':
+ input_left = parser.parse_note (input_left)
+ print input_left[0]
+
+ sys.stderr.write ("\nHuh? Unknown directive %s" %input_left[0:1])
+ input_left = input_left[1:]
+
+
+
+for c in parser.chords:
+ print c.dump ()
projects / lilypond.git / commitdiff