kopia lustrzana https://gitlab.com/gerbolyze/gerbonara
Fixed parser, added to_gerber() methods to all parse result classes to permit re-generation of Gerber file
David Austin
rodzic
7ee1866b60
commit
82a6de80a6
222
gerber/parser.py
222
gerber/parser.py
|
|
@ -39,6 +39,7 @@ class ParamStmt(Statement):
|
|||
self.param = param
|
||||
|
||||
|
||||
|
||||
class FSParamStmt(ParamStmt):
|
||||
def __init__(self, param, zero="L", notation="A", x="24", y="24"):
|
||||
ParamStmt.__init__(self, param)
|
||||
|
|
@ -47,18 +48,26 @@ class FSParamStmt(ParamStmt):
|
|||
self.x = x
|
||||
self.y = y
|
||||
|
||||
def to_gerber(self):
|
||||
return '%FS{0}{1}X{2}Y{3}*%'.format(self.zero, self.notation,
|
||||
self.x, self.y)
|
||||
|
||||
class MOParamStmt(ParamStmt):
|
||||
def __init__(self, param, mo):
|
||||
ParamStmt.__init__(self, param)
|
||||
self.mo = mo
|
||||
|
||||
def to_gerber(self):
|
||||
return '%MO{0}*%'.format(self.mo)
|
||||
|
||||
class IPParamStmt(ParamStmt):
|
||||
def __init__(self, param, ip):
|
||||
ParamStmt.__init__(self, param)
|
||||
self.ip = ip
|
||||
|
||||
def to_gerber(self):
|
||||
return '%IP{0}*%'.format(self.ip)
|
||||
|
||||
|
||||
class OFParamStmt(ParamStmt):
|
||||
def __init__(self, param, a, b):
|
||||
|
|
@ -66,12 +75,23 @@ class OFParamStmt(ParamStmt):
|
|||
self.a = a
|
||||
self.b = b
|
||||
|
||||
def to_gerber(self):
|
||||
ret = '%OF'
|
||||
if self.a:
|
||||
ret += 'A' + self.a
|
||||
if self.b:
|
||||
ret += 'B' + self.b
|
||||
return ret + '*%'
|
||||
|
||||
|
||||
class LPParamStmt(ParamStmt):
|
||||
def __init__(self, param, lp):
|
||||
ParamStmt.__init__(self, param)
|
||||
self.lp = lp
|
||||
|
||||
def to_gerber(self):
|
||||
return '%LP{0}*%'.format(self.lp)
|
||||
|
||||
|
||||
class ADParamStmt(ParamStmt):
|
||||
def __init__(self, param, d, shape, modifiers):
|
||||
|
|
@ -80,6 +100,9 @@ class ADParamStmt(ParamStmt):
|
|||
self.shape = shape
|
||||
self.modifiers = [[x for x in m.split("X")] for m in modifiers.split(",")]
|
||||
|
||||
def to_gerber(self):
|
||||
return '%ADD{0}{1},{2}*%'.format(self.d, self.shape,
|
||||
','.join(['X'.join(e) for e in self.modifiers]))
|
||||
|
||||
class AMParamStmt(ParamStmt):
|
||||
def __init__(self, param, name, macro):
|
||||
|
|
@ -87,18 +110,26 @@ class AMParamStmt(ParamStmt):
|
|||
self.name = name
|
||||
self.macro = macro
|
||||
|
||||
def to_gerber(self):
|
||||
#think this is right...
|
||||
return '%AM{0}*{1}*%'.format(self.name, self.macro)
|
||||
|
||||
class INParamStmt(ParamStmt):
|
||||
def __init__(self, param, name):
|
||||
ParamStmt.__init__(self, param)
|
||||
self.name = name
|
||||
|
||||
def to_gerber(self):
|
||||
return '%IN{0}*%'.format(self.name)
|
||||
|
||||
|
||||
class LNParamStmt(ParamStmt):
|
||||
def __init__(self, param, name):
|
||||
ParamStmt.__init__(self, param)
|
||||
self.name = name
|
||||
|
||||
def to_gerber(self):
|
||||
return '%LN{0}*%'.format(self.name)
|
||||
|
||||
class CoordStmt(Statement):
|
||||
def __init__(self, function, x, y, i, j, op):
|
||||
|
|
@ -110,23 +141,45 @@ class CoordStmt(Statement):
|
|||
self.j = j
|
||||
self.op = op
|
||||
|
||||
def to_gerber(self):
|
||||
ret = ''
|
||||
if self.function:
|
||||
ret += self.function
|
||||
if self.x:
|
||||
ret += 'X{0}'.format(self.x)
|
||||
if self.y:
|
||||
ret += 'Y{0}'.format(self.y)
|
||||
if self.i:
|
||||
ret += 'I{0}'.format(self.i)
|
||||
if self.j:
|
||||
ret += 'J{0}'.format(self.j)
|
||||
if self.op:
|
||||
ret += self.op
|
||||
return ret + '*'
|
||||
|
||||
|
||||
class ApertureStmt(Statement):
|
||||
def __init__(self, d):
|
||||
Statement.__init__(self, "APERTURE")
|
||||
self.d = int(d)
|
||||
|
||||
def to_gerber(self):
|
||||
return 'G54D{0}*'.format(self.d)
|
||||
|
||||
class CommentStmt(Statement):
|
||||
def __init__(self, comment):
|
||||
Statement.__init__(self, "COMMENT")
|
||||
self.comment = comment
|
||||
|
||||
def to_gerber(self):
|
||||
return 'G04{0}*'.format(self.comment)
|
||||
|
||||
class EofStmt(Statement):
|
||||
def __init__(self):
|
||||
Statement.__init__(self, "EOF")
|
||||
|
||||
def to_gerber(self):
|
||||
return 'M02*'
|
||||
|
||||
class UnknownStmt(Statement):
|
||||
def __init__(self, line):
|
||||
|
|
@ -171,11 +224,14 @@ class GerberParser(object):
|
|||
|
||||
APERTURE_STMT = re.compile(r"(G54)?D(?P<d>\d+)\*")
|
||||
|
||||
COMMENT_STMT = re.compile(r"G04(?P<comment>{string})(\*)?".format(string=STRING))
|
||||
#COMMENT_STMT = re.compile(r"G04(?P<comment>{string})(\*)?".format(string=STRING))
|
||||
#spec is unclear on whether all chars allowed in comment string -
|
||||
#seems reasonable to be more permissive.
|
||||
COMMENT_STMT = re.compile(r"G04(?P<comment>[^*]*)(\*)?")
|
||||
|
||||
EOF_STMT = re.compile(r"(?P<eof>M02)\*")
|
||||
|
||||
def __init__(self, ctx):
|
||||
def __init__(self, ctx=None):
|
||||
self.statements = []
|
||||
self.ctx = ctx
|
||||
|
||||
|
|
@ -185,7 +241,8 @@ class GerberParser(object):
|
|||
|
||||
for stmt in self._parse(data):
|
||||
self.statements.append(stmt)
|
||||
self._evaluate(stmt)
|
||||
if self.ctx:
|
||||
self._evaluate(stmt)
|
||||
|
||||
def dump_json(self):
|
||||
stmts = {"statements": [stmt.__dict__ for stmt in self.statements]}
|
||||
|
|
@ -201,115 +258,112 @@ class GerberParser(object):
|
|||
self.ctx.dump()
|
||||
|
||||
def _parse(self, data):
|
||||
multiline = None
|
||||
oldline = ''
|
||||
|
||||
for i, line in enumerate(data):
|
||||
# remove EOL
|
||||
if multiline:
|
||||
line = multiline + line.strip()
|
||||
else:
|
||||
line = line.strip()
|
||||
|
||||
line = oldline + line.strip()
|
||||
|
||||
# skip empty lines
|
||||
if not len(line):
|
||||
continue
|
||||
|
||||
# deal with multi-line parameters
|
||||
if line.startswith("%") and not line.endswith("%"):
|
||||
multiline = line
|
||||
oldline = line
|
||||
continue
|
||||
else:
|
||||
multiline = None
|
||||
|
||||
# coord
|
||||
coords = self._match_many(self.COORD_STMT, line)
|
||||
if coords:
|
||||
for coord in coords:
|
||||
did_something = True # make sure we do at least one loop
|
||||
while did_something and len(line) > 0:
|
||||
did_something = False
|
||||
# coord
|
||||
(coord, r) = self._match_one(self.COORD_STMT, line)
|
||||
if coord:
|
||||
yield CoordStmt(**coord)
|
||||
continue
|
||||
line = r
|
||||
did_something = True
|
||||
continue
|
||||
|
||||
# aperture selection
|
||||
aperture = self._match_one(self.APERTURE_STMT, line)
|
||||
if aperture:
|
||||
yield ApertureStmt(**aperture)
|
||||
continue
|
||||
# aperture selection
|
||||
(aperture, r) = self._match_one(self.APERTURE_STMT, line)
|
||||
if aperture:
|
||||
yield ApertureStmt(**aperture)
|
||||
|
||||
did_something = True
|
||||
line = r
|
||||
continue
|
||||
|
||||
# comment
|
||||
comment = self._match_one(self.COMMENT_STMT, line)
|
||||
if comment:
|
||||
yield CommentStmt(comment["comment"])
|
||||
continue
|
||||
# comment
|
||||
(comment, r) = self._match_one(self.COMMENT_STMT, line)
|
||||
if comment:
|
||||
yield CommentStmt(comment["comment"])
|
||||
did_something = True
|
||||
line = r
|
||||
continue
|
||||
|
||||
# parameter
|
||||
param = self._match_one_from_many(self.PARAM_STMT, line)
|
||||
if param:
|
||||
if param["param"] == "FS":
|
||||
yield FSParamStmt(**param)
|
||||
elif param["param"] == "MO":
|
||||
yield MOParamStmt(**param)
|
||||
elif param["param"] == "IP":
|
||||
yield IPParamStmt(**param)
|
||||
elif param["param"] == "LP":
|
||||
yield LPParamStmt(**param)
|
||||
elif param["param"] == "AD":
|
||||
yield ADParamStmt(**param)
|
||||
elif param["param"] == "AM":
|
||||
yield AMParamStmt(**param)
|
||||
elif param["param"] == "OF":
|
||||
yield OFParamStmt(**param)
|
||||
elif param["param"] == "IN":
|
||||
yield INParamStmt(**param)
|
||||
elif param["param"] == "LN":
|
||||
yield LNParamStmt(**param)
|
||||
else:
|
||||
# parameter
|
||||
(param, r) = self._match_one_from_many(self.PARAM_STMT, line)
|
||||
if param:
|
||||
if param["param"] == "FS":
|
||||
yield FSParamStmt(**param)
|
||||
elif param["param"] == "MO":
|
||||
yield MOParamStmt(**param)
|
||||
elif param["param"] == "IP":
|
||||
yield IPParamStmt(**param)
|
||||
elif param["param"] == "LP":
|
||||
yield LPParamStmt(**param)
|
||||
elif param["param"] == "AD":
|
||||
yield ADParamStmt(**param)
|
||||
elif param["param"] == "AM":
|
||||
yield AMParamStmt(**param)
|
||||
elif param["param"] == "OF":
|
||||
yield OFParamStmt(**param)
|
||||
elif param["param"] == "IN":
|
||||
yield INParamStmt(**param)
|
||||
elif param["param"] == "LN":
|
||||
yield LNParamStmt(**param)
|
||||
else:
|
||||
yield UnknownStmt(line)
|
||||
did_something = True
|
||||
line = r
|
||||
continue
|
||||
|
||||
# eof
|
||||
(eof, r) = self._match_one(self.EOF_STMT, line)
|
||||
if eof:
|
||||
yield EofStmt()
|
||||
did_something = True
|
||||
line = r
|
||||
continue
|
||||
|
||||
if False:
|
||||
print self.COORD_STMT.pattern
|
||||
print self.APERTURE_STMT.pattern
|
||||
print self.COMMENT_STMT.pattern
|
||||
print self.EOF_STMT.pattern
|
||||
for i in self.PARAM_STMT:
|
||||
print i.pattern
|
||||
|
||||
if line.find('*') > 0:
|
||||
yield UnknownStmt(line)
|
||||
|
||||
continue
|
||||
|
||||
# eof
|
||||
eof = self._match_one(self.EOF_STMT, line)
|
||||
if eof:
|
||||
yield EofStmt()
|
||||
continue
|
||||
|
||||
if False:
|
||||
print self.COORD_STMT.pattern
|
||||
print self.APERTURE_STMT.pattern
|
||||
print self.COMMENT_STMT.pattern
|
||||
print self.EOF_STMT.pattern
|
||||
for i in self.PARAM_STMT:
|
||||
print i.pattern
|
||||
|
||||
yield UnknownStmt(line)
|
||||
oldline = line
|
||||
|
||||
def _match_one(self, expr, data):
|
||||
match = expr.match(data)
|
||||
if match is None:
|
||||
return {}
|
||||
return ({}, None)
|
||||
else:
|
||||
return match.groupdict()
|
||||
return (match.groupdict(), data[match.end(0):])
|
||||
|
||||
def _match_one_from_many(self, exprs, data):
|
||||
for expr in exprs:
|
||||
match = expr.match(data)
|
||||
if match:
|
||||
return match.groupdict()
|
||||
return (match.groupdict(), data[match.end(0):])
|
||||
|
||||
return {}
|
||||
return ({}, None)
|
||||
|
||||
def _match_many(self, expr, data):
|
||||
result = []
|
||||
pos = 0
|
||||
while True:
|
||||
match = expr.match(data, pos)
|
||||
if match:
|
||||
result.append(match.groupdict())
|
||||
pos = match.endpos
|
||||
else:
|
||||
break
|
||||
|
||||
return result
|
||||
|
||||
# really this all belongs in another class - the GerberContext class
|
||||
def _evaluate(self, stmt):
|
||||
if isinstance(stmt, (CommentStmt, UnknownStmt, EofStmt)):
|
||||
return
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue