states.py 文件源码

def parse_directive_block(self, indented, line_offset, directive,
                              option_presets):
        option_spec = directive.option_spec
        has_content = directive.has_content
        if indented and not indented[0].strip():
            indented.trim_start()
            line_offset += 1
        while indented and not indented[-1].strip():
            indented.trim_end()
        if indented and (directive.required_arguments
                         or directive.optional_arguments
                         or option_spec):
            for i, line in enumerate(indented):
                if not line.strip():
                    break
            else:
                i += 1
            arg_block = indented[:i]
            content = indented[i+1:]
            content_offset = line_offset + i + 1
        else:
            content = indented
            content_offset = line_offset
            arg_block = []
        if option_spec:
            options, arg_block = self.parse_directive_options(
                option_presets, option_spec, arg_block)
        else:
            options = {}
        if arg_block and not (directive.required_arguments
                              or directive.optional_arguments):
            content = arg_block + indented[i:]
            content_offset = line_offset
            arg_block = []
        while content and not content[0].strip():
            content.trim_start()
            content_offset += 1
        if directive.required_arguments or directive.optional_arguments:
            arguments = self.parse_directive_arguments(
                directive, arg_block)
        else:
            arguments = []
        if content and not has_content:
            raise MarkupError('no content permitted')
        return (arguments, options, content, content_offset)