How can i add custom expression functions for Live templates in Intellij

Question

How can add new custom functions for Live Templates in Idea Intellij.

For example i need a custom function which can convert a live template variable from Camel Case to

Answer 1

There is OpenAPI for providing Live Template functions. One can create IntelliJ IDEA plug-in that will add more functions.

See the Macro abstract class. Plug-in should define extension point, like this one:

<liveTemplateMacro implementation="com.intellij.codeInsight.template.macro.CapitalizeMacro"/>

Search IntelliJ IDEA Community code base for sample implementations.