tools/inc/lib/jsgettext/: bundle jsgettext library from https://code.google.com/p/jsgettext

tools/inc/lib/jsgettext/po2json.php

@@ -0,0 +1,42 @@
+<?php
+
+	require_once 'PoeditParser.php';
+
+	function buildOptions($args) {
+		$options = array(
+			'-o'	=> null,
+			'-i'	=> null,
+			'-n'	=> 'l10n'
+		);
+		$len = count($args);
+		$i = 0;
+		while ($i < $len) {
+			if (preg_match('#^-[a-z]$#i', $args[$i])) {
+				$options[$args[$i]] = isset($args[$i+1]) ? trim($args[$i+1]) : true;
+				$i += 2;
+			}
+			else {
+				$options[] = $args[$i];
+				$i++;
+			}
+		}
+		return $options;
+	}
+
+	$options = buildOptions($argv);
+
+	if (!file_exists($options['-i']) || !is_readable($options['-i'])) {
+		die("Invalid input file. Make sure it exists and is readable.");
+	}
+
+	$poeditParser = new PoeditParser($options['-i']);
+	$poeditParser->parse();
+	
+	if ($poeditParser->toJSON($options['-o'], $options['-n'])) {
+		$strings = count($poeditParser->getStrings());
+		echo "Successfully exported " . count($strings) . " strings.\n";
+	}
+	else {
+		echo "Cannor write to file '{$options['-o']}'.\n";
+	}
+?>