def _display_name_rfc(self):
"Grammar: display-name-rfc -> [ whitespace ] word { whitespace word }"
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
return None
wrds.append(wrd)
while True:
# whitespace
wtsp = self._whitespace()
if wtsp is None:
break
wrds.append(wtsp)
# word
wrd = self._word()
if wrd is None:
break
wrds.append(wrd)
return cleanup_display_name(''.join(wrds))
def _display_name_rfc(self):
"Grammar: display-name-rfc -> [ whitespace ] word { whitespace word }"
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
return None
wrds.append(wrd)
while True:
# whitespace
wtsp = self._whitespace()
if wtsp is None:
break
wrds.append(wtsp)
# word
wrd = self._word()
if wrd is None:
break
wrds.append(wrd)
return cleanup_display_name(''.join(wrds))
def _display_name_rfc(self):
"""
Grammar: display-name-rfc -> [ whitespace ] word { whitespace word }
"""
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
return None
wrds.append(wrd)
while True:
# whitespace
wtsp = self._whitespace()
if wtsp is None:
break
wrds.append(wtsp)
# word
wrd = self._word()
if wrd is None:
break
wrds.append(wrd)
concatenator = b'' if isinstance(self.stream, str) else u''
return cleanup_display_name(concatenator.join(wrds))
def _display_name_lax(self):
"""
Grammar: display-name-lax ->
[ whitespace ] word { whitespace word } whitespace
"""
start_pos = self.stream.position
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
# roll back
self.stream.position = start_pos
return None
wrds.append(wrd)
# peek to see if we have a whitespace,
# if we don't, we have a invalid display-name
ws = self.stream.peek(WHITESPACE)
uws = self.stream.peek(UNI_WHITE)
if (ws is None or len(ws) == 0) and (uws is None or len(uws) == 0):
self.stream.position = start_pos
return None
while True:
# whitespace
wtsp = self._whitespace()
if wtsp:
wrds.append(wtsp)
# if we need to roll back the next word
start_pos = self.stream.position
# word
wrd = self._word()
if wrd is None:
self.stream.position = start_pos
break
wrds.append(wrd)
# peek to see if we have a whitespace
# if we don't pop off the last word break
ws = self.stream.peek(WHITESPACE)
uws = self.stream.peek(UNI_WHITE)
if (ws is None or len(ws) == 0) and (uws is None or len(uws) == 0):
# roll back last word
self.stream.position = start_pos
wrds.pop()
break
concatenator = b'' if isinstance(self.stream, str) else u''
return cleanup_display_name(concatenator.join(wrds))
def _display_name_lax(self):
'''
Grammar: display-name-lax ->
[ whitespace ] word { whitespace word } whitespace"
'''
start_pos = self.stream.position
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
# roll back
self.stream.position = start_pos
return None
wrds.append(wrd)
# peek to see if we have a whitespace,
# if we don't, we have a invalid display-name
if self.stream.peek(WHITESPACE) is None or \
self.stream.peek(UNI_WHITE) is None:
self.stream.position = start_pos
return None
while True:
# whitespace
wtsp = self._whitespace()
if wtsp:
wrds.append(wtsp)
# if we need to roll back the next word
start_pos = self.stream.position
# word
wrd = self._word()
if wrd is None:
self.stream.position = start_pos
break
wrds.append(wrd)
# peek to see if we have a whitespace
# if we don't pop off the last word break
if self.stream.peek(WHITESPACE) is None or \
self.stream.peek(UNI_WHITE) is None:
# roll back last word
self.stream.position = start_pos
wrds.pop()
break
return cleanup_display_name(''.join(wrds))
def _display_name_lax(self):
'''
Grammar: display-name-lax ->
[ whitespace ] word { whitespace word } whitespace"
'''
start_pos = self.stream.position
wrds = []
# optional whitespace
self._whitespace()
# word
wrd = self._word()
if wrd is None:
# roll back
self.stream.position = start_pos
return None
wrds.append(wrd)
# peek to see if we have a whitespace,
# if we don't, we have a invalid display-name
if self.stream.peek(WHITESPACE) is None or \
self.stream.peek(UNI_WHITE) is None:
self.stream.position = start_pos
return None
while True:
# whitespace
wtsp = self._whitespace()
if wtsp:
wrds.append(wtsp)
# if we need to roll back the next word
start_pos = self.stream.position
# word
wrd = self._word()
if wrd is None:
self.stream.position = start_pos
break
wrds.append(wrd)
# peek to see if we have a whitespace
# if we don't pop off the last word break
if self.stream.peek(WHITESPACE) is None or \
self.stream.peek(UNI_WHITE) is None:
# roll back last word
self.stream.position = start_pos
wrds.pop()
break
return cleanup_display_name(''.join(wrds))
