def transit(self) -> State:
if CONTENT_STACK.content == chr(0):
# NO_SAVE_REG.set(True)
CONTENT_STACK.pop_all()
return StopState()
# TAG or Mark
if self.tag:
res, reason = is_tag_start(CONTENT_STACK.content)
# match tag start symbol
if res:
NO_STEP_REG.set(True)
return TagStart()
else:
# too lang for tag start
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
self.tag = False
# not match this time: try mark or eat more rune
elif reason == POSSIBLE:
self.tag = True
else:
return StopState()
if self.mark:
res, reason = is_mark(CONTENT_STACK.content)
if res:
NO_STEP_REG.set(True)
# match tag start symbol
return Mark()
else:
# too lang for MARK
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
self.mark = False
# not match this time: eat more rune
elif reason == POSSIBLE:
self.mark = True
else:
return StopState()
if self.block_end:
res, reason = is_block_end(CONTENT_STACK.content)
if res:
NO_STEP_REG.set(True)
return BlockEnd()
else:
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
self.block_end = False
elif reason == POSSIBLE:
self.block_end = True
else:
return StopState()
if True in [self.tag, self.mark, self.block_end]:
return self
# not tag or mark
# other contents
self.content += CONTENT_STACK.pop_all()
self.tag = True
self.mark = True
self.block_end = True
SAVE_REG.set(True)
return self
def save(self):
# TODO BUILD AST
# if NO_SAVE_REG.get():
# NO_SAVE_REG.set(False)
# return
# if FORCE_SAVE_REG.get():
# self.transit_list.append(self.last)
# FORCE_SAVE_REG.set(False)
if SAVE_REG.get():
if self.transit_list[-1].name != self.last.name:
self.transit_list.append(self.last)
SAVE_REG.set(False)
def transit(self) -> State:
res, reason = is_tag_name(CONTENT_STACK.content)
if res:
self.content = CONTENT_STACK.pop_all()
SAVE_REG.set(True)
return TagEnd()
else:
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
return StopState()
elif reason == POSSIBLE:
return self
else:
return StopState()
def transit(self) -> State:
res, reason = is_block_start(CONTENT_STACK.content)
if res:
self.content = CONTENT_STACK.pop_all()
TAG_STACK.append(self.content)
SAVE_REG.set(True)
return Content()
else:
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
NO_STEP_REG.set(True)
return Content()
elif reason == POSSIBLE:
# NO_SAVE_REG.set(True)
return self
else:
return StopState()
def transit(self) -> State:
res, reason = is_tag_end(CONTENT_STACK.content)
if res:
if TAG_STACK[-1] != CONTENT_STACK.content:
return StopState()
else:
self.content = CONTENT_STACK.pop_all()
TAG_STACK.pop(-1)
SPACE_EAT_REG.set(True)
SAVE_REG.set(True)
return BlockStart()
else:
if reason in [OVER_MAX_LENGTH, NOT_MATCH]:
return StopState()
elif reason == POSSIBLE:
return self
else:
return StopState()
def transit(self) -> State:
self.content = CONTENT_STACK.pop_all()
TAG_STACK.pop(-1)
SAVE_REG.set(True)
return Content()
def transit(self) -> State:
self.content = CONTENT_STACK.pop_all()
TAG_STACK.append(self.content)
SAVE_REG.set(True)
return TagReadName()
def transit(self) -> State:
self.content = CONTENT_STACK.pop_all()
SPACE_EAT_REG.set(True)
SAVE_REG.set(True)
return BlockStart()