Fixed escaped chars handling

This commit is contained in:
Holger Rapp 2011-07-24 11:42:29 +02:00
parent b91e97fa5d
commit ef10362469

View File

@ -1049,7 +1049,7 @@ class TextIterator(object):
raise StopIteration
rv = self._text[self._idx]
if self._idx > 0 and self._text[self._idx - 1] in ('\n', '\r\n'):
if self._text[self._idx] in ('\n', '\r\n'):
self._line += 1
self._col = 0
else:
@ -1118,30 +1118,55 @@ class TabStopToken(Token):
if stream.peek() is ":":
stream.next()
self.default_text = _parse_till_closing_brace(stream)
debug("self.start: %s, stream.pos: %s" % (self.start, stream.pos))
def __repr__(self):
return "TabStopToken(%r,%r,%r,%r)" % (
self.start, self.end, self.no, self.default_text
)
class MirrorToken(Token):
CHECK = re.compile(r'^\$\d+\s')
CHECK = re.compile(r'^\$\d+')
@classmethod
def check(klass, stream):
# TODO: bad name for function
debug("string.peek(2: %r" % (stream.peek(2)))
rv = stream.peek(1) == '$' and stream.peek(2)[-1] in string.digits
debug("rv: %s" % (rv))
return rv
# TODO
return klass.CHECK.match(stream.peek(10)) != None
def __init__(self, stream):
self.no = ""
Token.__init__(self, stream) # TODO: check for gen usage
def _parse(self, stream):
self.no = ""
stream.next() # $
while stream.peek() in string.digits:
while not stream.exhausted and stream.peek() in string.digits:
self.no += stream.next()
self.no = int(self.no)
def __repr__(self):
return "MirrorToken(%r,%r,%r)" % (
self.start, self.end, self.no
)
class EscapeCharToken(Token):
@classmethod
def check(klass, stream):
return stream.peek(1) == '\\'
cs = stream.peek(2)
if len(cs) == 2 and cs[0] == '\\' and cs[1] in '{}\$`':
return True
def _parse(self, stream):
stream.next() # \
self.char = stream.next()
# TODO: get rid of those repr maybe
def __repr__(self):
return "EscapeCharToken(%r,%r,%r)" % (
self.start, self.end, self.char
)
class ParsingMode(object):
def tokens(self, stream):
@ -1181,6 +1206,8 @@ class SnippetParser(object):
token.start, token.end, token.default_text)
seen_ts.add(token.no)
self.current_to._add_tabstop(token.no,ts)
elif isinstance(token, EscapeCharToken):
EscapedChar(self.current_to, token.start, token.end, token.char)
for token in tokens:
@ -1196,5 +1223,4 @@ class SnippetParser(object):
self.current_to._add_tabstop(token.no,ts)
debug("ALIVE3" % ())
else:
raise RuntimeError("Never here!")
Mirror(self.current_to, self.current_to._get_tabstop(self.current_to, token.no), token.start, token.end)