Changeset 3309 for libcacaTweet

Timestamp:

Nov 7, 2008, 8:13:57 AM (13 years ago)

Author:

bsittler

Message:

handle argument-parsing exceptions

File:

• libcaca/trunk/caca-php/examples/img2txt.php (modified) (1 diff)

libcaca/trunk/caca-php/examples/img2txt.php

@@ -268 +268 @@
                 );
 
-        while($opt_and_arg = mygetopt("W:H:f:d:g:b:c:hvx:y:", array_keys($long_options)))
-        {
-                $opt = $opt_and_arg[0];
-                $arg = $opt_and_arg[1];
-                if((substr($opt, 0, 2) == '--')
-                        &&
-                        array_key_exists(substr($opt, strlen('--')) . (($arg !== NULL) ? ':' : ''), $long_options))
+        try {
+                while($opt_and_arg = mygetopt("W:H:f:d:g:b:c:hvx:y:", array_keys($long_options)))
                 {
-                        $opt = '-' . $long_options[substr($opt, strlen('--')) . (($arg !== NULL) ? ':' : '')];
+                        $opt = $opt_and_arg[0];
+                        $arg = $opt_and_arg[1];
+                        if((substr($opt, 0, 2) == '--')
+                                &&
+                                array_key_exists(substr($opt, strlen('--')) . (($arg !== NULL) ? ':' : ''), $long_options))
+                        {
+                                $opt = '-' . $long_options[substr($opt, strlen('--')) . (($arg !== NULL) ? ':' : '')];
+                        }
+                        switch($opt)
+                        {
+                        case '-W': /* --width */
+                                $cols = intval($arg);
+                                break;
+                        case '-H': /* --height */
+                                $lines = intval($arg);
+                                break;
+                        case '-x': /* --width */
+                                $font_width = intval($arg);
+                                break;
+                        case '-y': /* --height */
+                                $font_height = intval($arg);
+                                break;
+                        case '-f': /* --format */
+                                $format = $arg;
+                                break;
+                        case '-d': /* --dither */
+                                $dither = $arg;
+                                break;
+                        case '-g': /* --gamma */
+                                $gamma = floatval($arg);
+                                break;
+                        case '-b': /* --brightness */
+                                $brightness = floatval($arg);
+                                break;
+                        case '-c': /* --contrast */
+                                $contrast = floatval($arg);
+                                break;
+                        case '-h': /* --help */
+                                usage($argc, $argv);
+                                return 0;
+                        case '-v': /* --version */
+                                version();
+                                return 0;
+                        default:
+                                return 1;
+                        }
                 }
-                switch($opt)
-                {
-                case '-W': /* --width */
-                        $cols = intval($arg);
-                        break;
-                case '-H': /* --height */
-                        $lines = intval($arg);
-                        break;
-                case '-x': /* --width */
-                        $font_width = intval($arg);
-                        break;
-                case '-y': /* --height */
-                        $font_height = intval($arg);
-                        break;
-                case '-f': /* --format */
-                        $format = $arg;
-                        break;
-                case '-d': /* --dither */
-                        $dither = $arg;
-                        break;
-                case '-g': /* --gamma */
-                        $gamma = floatval($arg);
-                        break;
-                case '-b': /* --brightness */
-                        $brightness = floatval($arg);
-                        break;
-                case '-c': /* --contrast */
-                        $contrast = floatval($arg);
-                        break;
-                case '-h': /* --help */
-                        usage($argc, $argv);
-                        return 0;
-                case '-v': /* --version */
-                        version();
-                        return 0;
-                default:
-                        return 1;
-                }
+        }
+        catch (MygetoptException $e)
+        {
+                fprintf(STDERR, "%s", $argv[0] . ": " . $e->getMessage() . "\n");
+                usage($argc, $argv);
+                return 2;
         }