i18n and english translation

[syp.git] / inc / langutils.php

diff --git a/inc/langutils.php b/inc/langutils.php
new file mode 100644 (file)
index 0000000..5ac4a37
--- /dev/null
+++ b/inc/langutils.php
@@ -0,0 +1,89 @@
+<?php
+/* Copyright (c) 2009 Arnaud Renevier, Inc, published under the modified BSD
+   license. */
+
+    $language_list = Array ();
+
+function ptrans ($str) {
+    echo trans ($str);
+}
+
+function trans ($str) {
+    global $translations, $lang;
+
+    $res = $translations[$lang][$str];
+    if (!isset ($res) || strlen ($res) == 0) {
+        return $str;
+    } else {
+        return $res;
+    }
+}
+
+function parse_accept_language () {
+    global $translations;
+    $possibilities = array();
+    if (isset ($_SERVER ['HTTP_ACCEPT_LANGUAGE'])) {
+        // set to lower case now
+        $accepts = explode (',',
+                        strtolower ($_SERVER ['HTTP_ACCEPT_LANGUAGE']));
+        foreach ($accepts as $acc) {
+            if (preg_match ('/^\s*([a-zA-Z-]+)\s*$/', $acc, $matches)) {
+                $possibilities [$matches [1]] = 1.0;
+            }
+            if (preg_match ('/^\s*([a-zA-Z-]+)\s*;\s*q\s*=\s*([0-9\.]+)\s*$/', 
+                            $acc, $matches)) {
+                $val = floatval ($matches [2]);
+                if ($val > 1.0) {
+                    $val = 1.0;
+                }
+                $possibilities [$matches [1]] = $val;
+            }
+        }
+        arsort ($possibilities);
+        foreach ($possibilities as $lang => $value) {
+            if (isset ($translations [$lang])) {
+                return $lang;
+            }
+        }
+    }
+    return "en"; // nothing found; default to english
+}
+
+function other_languages ($current_lang) {
+ $script = pathinfo ($_SERVER ["SCRIPT_NAME"], PATHINFO_FILENAME);
+    $dotpos = strpos ($script, '.');
+    if ($dotpos !== false) {
+        $script = substr ($script, 0, $dotpos);
+    }
+    
+    global $translations;
+    $links = Array ();
+    foreach ($translations as $lang => $obj) {
+        $lang_name = $obj ["_language_name"];
+        if ($lang == $current_lang) {
+            array_push ($links, "<a>$lang_name</a>");
+        } else  {
+            array_push ($links, "<a href=\"$script.$lang.php\" title=\"$lang_name\" lang=\"$lang\" hreflang=\"$lang\">$lang_name</a>");
+        }
+    }                                                                                                                      
+    echo "<div id=\"other-language\">" . join("", $links) . "</div>\n";
+}
+
+// load languages
+foreach (scandir ("inc/i10n/") as $entry) {
+    if (is_dir ("inc/i10n/$entry") && ($entry [0] != ".")) {
+        $target = "inc/i10n/$entry/syp.php";
+        if (is_file ($target)) {
+            include $target;
+        }
+    }
+}
+
+// detects language                                                                                                         
+$fname = pathinfo ($_SERVER ["SCRIPT_NAME"], PATHINFO_FILENAME);                                                            
+$lang = ltrim (strstr ($fname, '.'), '.');
+if ((!isset ($lang)) ||
+    (strlen ($lang) == 0) ||
+    (!isset ($translations [$lang]))) {
+    $lang = parse_accept_language ();
+}