roles.py 文件源码

def emph_literal_role(typ, rawtext, text, lineno, inliner,
                      options={}, content=[]):
    text = utils.unescape(text)
    pos = 0
    retnode = nodes.literal(role=typ.lower(), classes=[typ])
    for m in _litvar_re.finditer(text):
        if m.start() > pos:
            txt = text[pos:m.start()]
            retnode += nodes.Text(txt, txt)
        retnode += nodes.emphasis(m.group(1), m.group(1))
        pos = m.end()
    if pos < len(text):
        retnode += nodes.Text(text[pos:], text[pos:])
    return [retnode], []