def filter_stream(self, stream):
paren_stack = 0
for token in stream:
if token.type is not 'data':
yield token
continue
pos = 0
lineno = token.lineno
while 1:
if not paren_stack:
match = _outside_re.search(token.value, pos)
else:
match = _inside_re.search(token.value, pos)
if match is None:
break
new_pos = match.start()
if new_pos > pos:
preval = token.value[pos:new_pos]
yield Token(lineno, 'data', preval)
lineno += count_newlines(preval)
gtok = match.group()
if gtok[0] == '\\':
yield Token(lineno, 'data', gtok[1:])
elif not paren_stack:
yield Token(lineno, 'block_begin', None)
yield Token(lineno, 'name', 'trans')
yield Token(lineno, 'block_end', None)
paren_stack = 1
else:
if gtok == '(' or paren_stack > 1:
yield Token(lineno, 'data', gtok)
paren_stack += gtok == ')' and -1 or 1
if not paren_stack:
yield Token(lineno, 'block_begin', None)
yield Token(lineno, 'name', 'endtrans')
yield Token(lineno, 'block_end', None)
pos = match.end()
if pos < len(token.value):
yield Token(lineno, 'data', token.value[pos:])
if paren_stack:
raise TemplateSyntaxError('unclosed gettext expression',
token.lineno, stream.name,
stream.filename)
def filter_stream(self, stream):
paren_stack = 0
for token in stream:
if token.type is not 'data':
yield token
continue
pos = 0
lineno = token.lineno
while 1:
if not paren_stack:
match = _outside_re.search(token.value, pos)
else:
match = _inside_re.search(token.value, pos)
if match is None:
break
new_pos = match.start()
if new_pos > pos:
preval = token.value[pos:new_pos]
yield Token(lineno, 'data', preval)
lineno += count_newlines(preval)
gtok = match.group()
if gtok[0] == '\\':
yield Token(lineno, 'data', gtok[1:])
elif not paren_stack:
yield Token(lineno, 'block_begin', None)
yield Token(lineno, 'name', 'trans')
yield Token(lineno, 'block_end', None)
paren_stack = 1
else:
if gtok == '(' or paren_stack > 1:
yield Token(lineno, 'data', gtok)
paren_stack += gtok == ')' and -1 or 1
if not paren_stack:
yield Token(lineno, 'block_begin', None)
yield Token(lineno, 'name', 'endtrans')
yield Token(lineno, 'block_end', None)
pos = match.end()
if pos < len(token.value):
yield Token(lineno, 'data', token.value[pos:])
if paren_stack:
raise TemplateSyntaxError('unclosed gettext expression',
token.lineno, stream.name,
stream.filename)
def interpolate(self, token):
pos = 0
end = len(token.value)
lineno = token.lineno
while 1:
match = _gettext_re.search(token.value, pos)
if match is None:
break
value = token.value[pos:match.start()]
if value:
yield Token(lineno, 'data', value)
lineno += count_newlines(token.value)
yield Token(lineno, 'variable_begin', None)
yield Token(lineno, 'name', 'gettext')
yield Token(lineno, 'lparen', None)
yield Token(lineno, 'string', match.group(1))
yield Token(lineno, 'rparen', None)
yield Token(lineno, 'variable_end', None)
pos = match.end()
if pos < end:
yield Token(lineno, 'data', token.value[pos:])
