Steve,
Just a quick response for now. As I am not exactly sure of the mechanism
you are trying to use.
- Are you aware of the freelinks plugin?, if the tiddler title exists it
will be highlighted in the text. It may be a more general solution.
- This plugin is making use of other mechanisms to add the highlight
layer on the text, in fact generates links.
- We now have search and contains operators that may make detecting a
string more easily. Rather than select="0" you could also use the First
operator.
- The splitregexp is powerful but so too are the standard filters.
- I would be tempted to keep the highlight outside the filter, but
that's me.
- Perhaps try and concatenate the strings outside the filter
- Sometimes wikifying is needed to ensure the value you expect is in use
but since you not using variables/macros to do this it may not be relevant
until you use them.
Regards
Tony
On Tuesday, July 21, 2020 at 6:55:57 AM UTC+10, steve wrote:
>
> Hello:
>
> I am working on a macro to highlight target strings within the text field
> of a tiddler.
> The use case is to make it easier to for me see where the targetStrings
> are (if any).
>
> My question is how to highlight the targetString in the macro (ie.
> treating
> the macro as a string) as opposed to (apparently) executing the macro
> and highlighting the targetString in the output.
>
> !!! Here is the macro
> ```
> \define formatTid.highlightText(inputText targetString)
>
> <$set name="outputText" filter="[[$inputText$]]
> +[splitregexp[\b$targetString$\b]join[@@color:blue;$targetString$@@]]"
> select="0">
>
> | ''outputText''|<<outputText>> |
>
> \end
> <$macrocall $name="formatTid.highlightText"
> inputText={{highlightTest.sentence!!text}} targetString="goFish"/>
> ```
>
> The macro works as expected (goFish is highlighted in blue) when the text
> field contains
>
> ```
> This goFish is in a sentence.
> ```
>
> The macro works partially (i.e., goFish is highlighted only for the
> comment).
>
> ```
> \define goFish()
>
> !!! This example has three instances of goFish.
>
> \end
> <<goFish>>
> ```
>
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