fakehtmltag.py


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"""
Encapsulates text in a fake html tag that is colored (class="cyan" and class="yellow") and has a "nobr" class for no wrapping.
These all can be styled in css.

Usage:
{{my_fake_html_tag}}content{{}}
"""
from marko import inline
from marko.helpers import MarkoExtension


class FakeHtmlElement(inline.InlineElement):
    pattern = '{{(.*)}}(.*){{}}'
    parse_children = True
    parse_group = 2

    def __init__(self, match):
        self.tag = match.group(1)
        self.content = match.group(2)


class FakeHtmlRenderer:
    def render_fake_html_element(self, element: FakeHtmlElement):
        return f'<span class="nobr"><span class="cyan">&lt</span><span class="yellow">{element.tag}</span><span class="cyan">&gt</span></span>{self.render_children(element)}<span class="nobr"><span class="cyan">&lt/</span><span class="yellow">{element.tag}</span><span class="cyan">&gt</span></span>'


FakeHtml = MarkoExtension(
    elements=[FakeHtmlElement],
    renderer_mixins=[FakeHtmlRenderer]
)