quakeforge/tools/io_qfmap/script.py
Bill Currie 15a906aadb Get map parsing pretty much working.
No geometry is created yet.
Both id and quest formats are supported.
e1m1.map parses in less than two seconds on my system.
2012-08-30 13:19:30 +09:00

72 lines
2.6 KiB
Python

# vim:ts=4:et
class Script:
def __init__(self, filename, text, single="{}()':"):
self.filename = filename
self.text = text
self.single = single
self.pos = 0
self.line = 1
self.unget = False
def tokenAvailable(self, crossline=False):
if self.unget:
return True
while self.pos < len(self.text):
while self.pos < len(self.text) and self.text[self.pos].isspace():
if self.text[self.pos] == "\n":
if not crossline:
return False
self.line += 1
self.pos += 1
if self.pos == len(self.text):
return False
if self.text[self.pos] in ["\x1a", "\x04"]:
# end of file characters
self.pos += 1
continue
if self.text[self.pos:self.pos + 2] == "//":
while (self.pos < len(self.text)
and self.text[self.pos] != "\n"):
self.pos += 1
if self.pos == len(self.text):
return False
if not crossline:
return False
continue
return True
return False
def getToken(self, crossline=False):
if self.unget:
self.unget = False
return self.token
if not self.tokenAvailable(crossline):
if not crossline:
self.error(self, "line is incomplete")
return None
if self.text[self.pos] == "\"":
self.pos += 1
start = self.pos
if self.text[self.pos] == len(self.text):
self.error(self, "EOF inside quoted string")
while self.text[self.pos] != "\"":
if self.pos == len(self.text):
self.error(self, "EOF inside quoted string")
return None
if self.text[self.pos] == "\n":
self.line += 1
self.pos += 1
self.token = self.text[start:self.pos]
self.pos += 1
else:
start = self.pos
if self.text[self.pos] in self.single:
self.pos += 1
else:
while (self.pos < len(self.text)
and not self.text[self.pos].isspace()
and self.text[self.pos] not in self.single):
self.pos += 1
self.token = self.text[start:self.pos]
return self.token
def ungetToken(self):
self.unget = True