def readBinding(self, keys, local=None, block=True):
"""
:type keys: pyjline.keymap.KeyMap
:type local: pyjline.keymap.KeyMap
:type block: bool
"""
self.lastBinding = None
o = None
remaining = [0]
while True:
c = self.readCharacter()
if c == -1:
return None
self.opBuffer.appendCodePoint(c)
if (not (local is None)):
o = local.getBound(self.opBuffer, remaining)
if ((o is None) and ((local is None) or (remaining[0] >= 0))):
o = keys.getBound(self.opBuffer, remaining)
if (not (o is None)):
if (remaining[0] >= 0):
opblen = self.opBuffer.length() - remaining[0]
self.runMacro(self.opBuffer.substring(opblen))
self.opBuffer.setLength(opblen)
else:
ambiguousTimeout = keys.getAmbigousTimeout()
if (ambiguousTimeout > 0 and self.peekCharacter(ambiguousTimeout) != NonBlockingReader.READ_EXPIRED):
o = None
if (not (o is None)):
self.lastBinding = self.opBuffer.toString()
self.opBuffer.setLength(0)
return o
elif (remaining[0] > 0):
cp = self.opBuffer.codePointAt(0)
rem = self.opBuffer.substring(Character.charCount(cp))
self.lastBinding = self.opBuffer.substring(0, Character.charCount(cp))
o = keys.getUnicode() if (cp >= KeyMap.KEYMAP_LENGTH) else keys.getNomatch()
self.opBuffer.setLength(0)
self.opBuffer.append(rem)
if (not (o is None)):
return o
if block:
break
