add CLI to (re)parse the log

cli.php

@@ -0,0 +1,56 @@
+<?php
+
+use dokuwiki\Extension\CLIPlugin;
+use splitbrain\phpcli\Options;
+
+class cli_plugin_statdisplay extends CLIPlugin
+{
+
+    /**
+     * @inheritDoc
+     */
+    protected function setup(Options $options)
+    {
+        $options->setHelp('Control the statdisplay plugin');
+        $options->registerCommand('parse', 'Parse and analyse the log file');
+        $options->registerOption('clear', 'Drop all previously parsed log data and reparse the whole log file', 'c',
+            false, 'parse');
+        $options->registerOption('lines', 'Number of lines to read per iteration', 'l', 'lines', 'parse');
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function main(Options $options)
+    {
+        switch($options->getCmd()) {
+            case 'parse':
+                $this->parseData(
+                    $this->options->getOpt('clear'),
+                    (int) $this->options->getOpt('lines', $this->getConf('lines'))
+                );
+                break;
+            default:
+                echo $this->options->help();
+        }
+    }
+
+    /**
+     * Parse the log data
+     *
+     * @param bool $clear
+     */
+    protected function parseData($clear, $maxlines)
+    {
+        /** @var helper_plugin_statdisplay_log $helper */
+        $helper = plugin_load('helper', 'statdisplay_log');
+
+        if($clear) {
+            $helper->resetLogCache();
+        }
+
+        do {
+            $this->info(sprintf('%.2f%%', $helper->progress()));
+        } while ($helper->parseLogData($maxlines));
+    }
+}