pyjsonstream.py 文件源码

def _read_string(self):
        self.__text.mark()
        try:
            src, value = [self._read_literal('"')], []
            while True:
                chunk = self.__text.read_until_any(('"', '\\'))
                src.append(chunk)
                value.append(chunk[:-1])
                if chunk.endswith('\\'):
                    ch = self.__text.read()
                    src.append(ch)
                    if ch in '"/\\':
                        value.append(ch)
                    elif ch == 'b':
                        value.append('\b')
                    elif ch == 'f':
                        value.append('\f')
                    elif ch == 'n':
                        value.append('\n')
                    elif ch == 'r':
                        value.append('\r')
                    elif ch == 't':
                        value.append('\t')
                    elif ch == 'u':
                        n = 0
                        for i in range(4):
                            ch = self.__text.read()
                            src.append(ch)
                            n = 16 * n + int(ch, 16)
                        value.append(_chr(n))
                    else:
                        raise UnexpectedCharacter(ch)
                else:
                    return "".join(src), "".join(value)
        except AwaitingData:
            self.__text.undo()
            raise