def parse(self, text, dt, pos=0, debug=-9999):
d = adatetime()
first = True
foundall = False
failed = False
print_debug(debug, "Seq %s sep=%r text=%r", self.name,
self.sep_pattern, text[pos:])
for e in self.elements:
print_debug(debug, "Seq %s text=%r", self.name, text[pos:])
if self.sep_expr and not first:
print_debug(debug, "Seq %s looking for sep", self.name)
m = self.sep_expr.match(text, pos)
if m:
pos = m.end()
else:
print_debug(debug, "Seq %s didn't find sep", self.name)
break
print_debug(debug, "Seq %s trying=%r at=%s", self.name, e, pos)
try:
at, newpos = e.parse(text, dt, pos=pos, debug=debug + 1)
except TimeError:
failed = True
break
print_debug(debug, "Seq %s result=%r", self.name, at)
if not at:
break
pos = newpos
print_debug(debug, "Seq %s adding=%r to=%r", self.name, at, d)
try:
d = fill_in(d, at)
except TimeError:
print_debug(debug, "Seq %s Error in fill_in", self.name)
failed = True
break
print_debug(debug, "Seq %s filled date=%r", self.name, d)
first = False
else:
foundall = True
if not failed and (foundall or (not first and self.progressive)):
print_debug(debug, "Seq %s final=%r", self.name, d)
return (d, pos)
else:
print_debug(debug, "Seq %s failed", self.name)
return (None, None)
def parse(self, text, dt, pos=0, debug=-9999):
first = True
d = adatetime()
seen = [False] * len(self.elements)
while True:
newpos = pos
print_debug(debug, "Bag %s text=%r", self.name, text[pos:])
if not first:
print_debug(debug, "Bag %s looking for sep", self.name)
m = self.sep_expr.match(text, pos)
if m:
newpos = m.end()
else:
print_debug(debug, "Bag %s didn't find sep", self.name)
break
for i, e in enumerate(self.elements):
print_debug(debug, "Bag %s trying=%r", self.name, e)
try:
at, xpos = e.parse(text, dt, newpos, debug + 1)
except TimeError:
at, xpos = None, None
print_debug(debug, "Bag %s result=%r", self.name, at)
if at:
if self.onceper and seen[i]:
return (None, None)
d = fill_in(d, at)
newpos = xpos
seen[i] = True
break
else:
break
pos = newpos
if self.onceper and all(seen):
break
first = False
if (not any(seen)
or (self.allof and not all(seen[pos] for pos in self.allof))
or (self.anyof and not any(seen[pos] for pos in self.anyof))
or (self.requireall and not all(seen))):
return (None, None)
print_debug(debug, "Bag %s final=%r", self.name, d)
return (d, pos)
def parse(self, text, dt, pos=0, debug= -9999):
d = adatetime()
first = True
foundall = False
failed = False
print_debug(debug, "Seq %s sep=%r text=%r", self.name,
self.sep_pattern, text[pos:])
for e in self.elements:
print_debug(debug, "Seq %s text=%r", self.name, text[pos:])
if self.sep_expr and not first:
print_debug(debug, "Seq %s looking for sep", self.name)
m = self.sep_expr.match(text, pos)
if m:
pos = m.end()
else:
print_debug(debug, "Seq %s didn't find sep", self.name)
break
print_debug(debug, "Seq %s trying=%r at=%s", self.name, e, pos)
try:
at, newpos = e.parse(text, dt, pos=pos, debug=debug + 1)
except TimeError:
failed = True
break
print_debug(debug, "Seq %s result=%r", self.name, at)
if not at:
break
pos = newpos
print_debug(debug, "Seq %s adding=%r to=%r", self.name, at, d)
try:
d = fill_in(d, at)
except TimeError:
print_debug(debug, "Seq %s Error in fill_in", self.name)
failed = True
break
print_debug(debug, "Seq %s filled date=%r", self.name, d)
first = False
else:
foundall = True
if not failed and (foundall or (not first and self.progressive)):
print_debug(debug, "Seq %s final=%r", self.name, d)
return (d, pos)
else:
print_debug(debug, "Seq %s failed", self.name)
return (None, None)