Javascript syntax highlighting inside html using a custom tag (IntelliJ 11 Ultimate with Play! 1.25)
I am trying to get javascript syntax highlighting to work within an html file using a custom (Play! Framework) tag.
If I wrap my javascript in <script>...</script> tags, all is well.
When using a Play! custom tag #{js}...#{/js} to wrap my javascript, I cannot get highlightling to work.
Des anyone have any ideas?
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have you tried:
http://blogs.jetbrains.com/idea/2009/03/user-defined-language-injection/
Thanks for your reply.
I tried a language injection as follows, but this didn't work as i expected.
An example of the code (in an .html file) that I wish to highlight is:
#{js}
var thisShouldByHighlightedAsJs = "A string";
#{/js}
The "Tag Name" field identifies the XML tag you want to be highlighted as the selected language. So with what you have, you are asking for everything between <js> </js> to be highlighted as JavaScript. You need to identify a Regex pattern in the "Value Pattern" field in the Advanced section. The pattern must have a single capturing group. Everything in the first capturing group will get highlighted.
So the patten:
#\{js\}(.*)#\{/js\}will highlight everything between the tags, but not the tags themselves:
The pattern
(#\{js\}.*#\{/js\})
will highlight the tags and their content:
If you want the pattern to apply to all entries in the file, leave the "Local Name" field blank (or enter html). If you only want #{js} items in the Body to be highlighted, enter body in the "Local Name".
Here are the final settings. Tweak as desired.
Fantastic! Exactly what I was hoping for. Seeing an example, it makes perfect sense now.
Thanks so much.
Does language injection work only in html files? I'm trying to highlight javascript inside <% %> tags in Classic ASP files.