states.py 文件源码

def parse_target(self, block, block_text, lineno):
        """
        Determine the type of reference of a target.

        :Return: A 2-tuple, one of:

            - 'refname' and the indirect reference name
            - 'refuri' and the URI
            - 'malformed' and a system_message node
        """
        if block and block[-1].strip()[-1:] == '_': # possible indirect target
            reference = ' '.join([line.strip() for line in block])
            refname = self.is_reference(reference)
            if refname:
                return 'refname', refname
        ref_parts = split_escaped_whitespace(' '.join(block))
        reference = ' '.join(''.join(unescape(part).split())
                             for part in ref_parts)
        return 'refuri', reference