[oXygen-user] CSS background color based on text matches

[Amanda Galtman]

Hi,

We've had a request from an author to make the formatting in the Author view indicate when the text of a certain element type does not match the text of something else found inside the same topic. I can do this via Oxygen CSS, but I am concerned that the processing slows down the opening of large documents. I'm not convinced that CSS is a good way to address the underlying requirement about helping authors detect when something does not have a textual match as expected (e.g., maybe Schematron or a build warning would be more appropriate).

Before I give up, though, I wanted to see if anyone had specific ideas or techniques I might have overlooked.

Here's an example of variations I tried that work too slowly in large documents, just to give you the flavor.

/*  true => 255*1 => white
*  false => 255*0 => yellow */
refentry[role="function"] literal  {
background-color: oxy_xpath(
"concat('rgb(255,255,', 255 * number(. = ancestor::refentry//term or .='') , ')')",
evaluate,dynamic-once);
}

Alternate:

refentry[role="function"] literal {
background-color: oxy_xpath(
"if (exists(text()) and not(some $n in ancestor::refentry/refsect1[@role=('inputs','outputs')]//term satisfies string($n)=.)) then ('yellow') else ('')",
evaluate,dynamic-once);
}

Thanks,
Amanda
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