def comment()

in python/moz/l10n/formats/dtd/serialize.py [0:0]

• 25 lines of code
• 15 McCabe index (conditional complexity)

    def comment(comment: str, meta: Any, standalone: bool) -> Iterator[str]:
        nonlocal at_empty_line
        if trim_comments:
            return
        if meta:
            raise ValueError("Metadata is not supported")
        if comment:
            if standalone and not at_empty_line:
                yield "\n"
            # Comments can't include --, so add a zero width space between and after dashes beyond the first
            lines = [
                line.rstrip().replace("--", "-\u200b-\u200b")
                for line in comment.strip("\n").split("\n")
            ]
            cstr = "<!--" if not lines[0] or lines[0].startswith(" ") else "<!-- "
            cstr += lines[0]
            for line in lines[1:]:
                cstr += "\n"
                if line and not line.isspace():
                    if not line.startswith(" "):
                        cstr += "     "
                    cstr += line
            yield cstr + " -->\n"
            if standalone:
                yield "\n"
                at_empty_line = True