def readline(self,acceptable=ac.is_safe_char,finish=ac.ks_finish,buf_size=20, prompt='', prefix=u''):
if prompt :
self.write(prompt)
if prefix :
buf = list(prefix)
self.write(prefix)
else:
buf = []
while len(buf) < buf_size:
ds = self.read_secret(2)
if len(ds) == 1 and ac.is_gbk_zh(ds): ## fix_bug for sterm
ds += self.read_secret()
if ds == ac.k_backspace :
if buf :
data = buf.pop()
self.write(ac.backspace * ac.srcwidth(data))
continue
elif ds in finish :
return ''.join(buf)
elif ds == ac.k_ctrl_c:
return False
elif acceptable(ds):
buf.append(ds)
self.write(ds)
return ''.join(buf)
def safe_readline(self, prompt=u'', acceptable=ac.is_safe_char,
finish=ac.ks_finish,buf_size=20, prefix=u''):
'''
Return the string when `finish` key recv, return False while recv a k_ctrl_c
'''
if prompt :
self.write(prompt)
if prefix :
buf = list(prefix)
self.write(prefix)
else:
buf = []
while True:
char = self.read_secret()
if char in ac.ks_delete :
if buf :
data = buf.pop()
self.write(ac.backspace * ac.srcwidth(data))
continue
elif char in finish :
return u''.join(buf)
elif char == ac.k_ctrl_c:
return False
elif acceptable(char):
if len(buf) < buf_size:
buf.append(char)
self.write(char)
return u''.join(buf)
def safe_readline(self,
prompt=u'',
acceptable=ac.is_safe_char,
finish=ac.ks_finish,
buf_size=20,
prefix=u''):
'''
Return the string when `finish` key recv, return False while recv a k_ctrl_c
'''
if prompt:
self.write(prompt)
if prefix:
buf = list(prefix)
self.write(prefix)
else:
buf = []
while True:
char = self.read_secret()
if char in ac.ks_delete:
if buf:
data = buf.pop()
self.write(ac.backspace * ac.srcwidth(data))
continue
elif char in finish:
return u''.join(buf)
elif char == ac.k_ctrl_c:
return False
elif acceptable(char):
if len(buf) < buf_size:
buf.append(char)
self.write(char)
return u''.join(buf)
def readline(self, prefix, acceptable=ac.is_safe_char, finish=ac.ks_finish, buf_size=78):
'''
Return the string when `finish` key recv, return False while recv a k_ctrl_c
'''
if prefix is None:
buf = []
else:
buf = list(prefix)
self.frame.push(prefix)
while True:
char = self.frame.read_secret()
if char in ac.ks_delete :
if buf :
data = buf.pop()
self.frame.push(ac.backspace * ac.srcwidth(data))
continue
elif char in finish :
return u''.join(buf)
elif char == ac.k_ctrl_c:
return False
elif acceptable(char):
if len(buf) < buf_size:
buf.append(char)
self.frame.push(char)
return u''.join(buf)
def readline(self,acceptable=ac.is_safe_char,finish=ac.ks_finish,buf_size=20):
buf = []
while len(buf) < buf_size:
ds = self.read_secret()
if len(ds) == 1 and self.is_gbk_zh(ds): ## fix_bug for sterm
ds += self.read_secret()
for d in self.u(ds):
if d == ac.k_backspace :
if buf :
data = buf.pop()
self.write(ac.backspace * ac.srcwidth(data))
continue
elif d in finish :
return ''.join(buf)
elif d == ac.k_ctrl_c:
return False
else:
if acceptable(d):
buf.append(d)
self.write(d)
return ''.join(buf)
def char_width(self, char):
if char == self.esc:
return 1
return ac.srcwidth(char)
def delete(self):
data = super(VisableInput, self).delete() # !!! ugly but important
if data :
self.frame.write(ac.srcwidth(data) * ac.backspace)
return data
