Add -h and --help options

[tweeper.git] / tweeper.php

diff --git a/tweeper.php b/tweeper.php
index 4050100..3b8fb2d 100755 (executable)
--- a/tweeper.php
+++ b/tweeper.php
@@ -20,7 +20,13 @@
 
 date_default_timezone_set('UTC');
 
 
 date_default_timezone_set('UTC');
 

-function formatDate($timestamp)
+function str_to_gmdate($date)
+{
+  $timestamp = strtotime($date);
+  return epoch_to_gmdate($timestamp);
+}
+
+function epoch_to_gmdate($timestamp)

 {
   return gmdate('D, d M Y H:i:s', $timestamp) . ' GMT';
 }
 {
   return gmdate('D, d M Y H:i:s', $timestamp) . ' GMT';
 }


@@ -86,6 +92,10 @@ function usage($argv)
 if (isset($_GET['src_url'])) {
   $src_url = $_GET['src_url'];
 } else if (isset($argv[1])) {
 if (isset($_GET['src_url'])) {
   $src_url = $_GET['src_url'];
 } else if (isset($argv[1])) {

+  if ($argv[1] == "-h" || $argv[1] == "--help") {
+    echo usage($argv);
+    return 0;
+  }

   $src_url = $argv[1];
 } else {
   die(usage($argv));
   $src_url = $argv[1];
 } else {
   die(usage($argv));


@@ -93,11 +103,11 @@ if (isset($_GET['src_url'])) {
 
 $url = parse_url($src_url);
 if (FALSE === $url || empty($url["host"]))
 
 $url = parse_url($src_url);
 if (FALSE === $url || empty($url["host"]))

-  die("Invalid url\n");
+  die("Invalid url: $url\n");

 
 

-$stylesheet = "rss_converter_" . $url["host"] . ".xsl";
+$stylesheet = __DIR__ . "/rss_converter_" . $url["host"] . ".xsl";

 if (FALSE === file_exists($stylesheet))
 if (FALSE === file_exists($stylesheet))

-  die("Unsupported host\n");
+  die("Conversion to RSS not supported: {$url["host"]}\n");

 
 $tweeper = new Tweeper($stylesheet);
 echo $tweeper->tweep($src_url);
 
 $tweeper = new Tweeper($stylesheet);
 echo $tweeper->tweep($src_url);