<?php
class syntax_plugin_usetheme extends DokuWiki_Syntax_Plugin
{
    public function getType()
    {
        return 'substition';
    }
 
    public function getPType()
    {
        return 'block';
    }

    public function getSort()
    {
        return 156;
    }

    public function connectTo($mode)
    {
        $this->Lexer->addSpecialPattern('~~USETHEME:\w+~~', $mode, 'plugin_usetheme');
    }

    public function handle($match, $state, $pos, Doku_Handler $handler)
    {
        $match = substr($match, 11, -2); // cut match down to the template name
        return array(strtolower($match));
    }

    public function render($format, Doku_Renderer $renderer, $data)
    {
        return ""; // show nothing, we want to change the template
    }
}