[Pkg-mozext-commits] [adblock-plus] 15/52: Issue 1663 - Added ext.i18n implementation for testing

[David Prévot]

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taffit pushed a commit to branch master
in repository adblock-plus.

commit 82e3151135753953b5492e07e87982ed73c68886
Author: Wladimir Palant <trev at adblockplus.org>
Date:   Wed Dec 17 15:18:07 2014 +0100

    Issue 1663 - Added ext.i18n implementation for testing
    
    --HG--
    extra : histedit_source : a09f39d22dd0cd3115f016b5d174333cd5c1f844
---
 ext/common.js | 143 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)

diff --git a/ext/common.js b/ext/common.js
new file mode 100644
index 0000000..434b476
--- /dev/null
+++ b/ext/common.js
@@ -0,0 +1,143 @@
+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2014 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+(function(global)
+{
+  /* I18n */
+
+  var getLocaleCandidates = function(selectedLocale)
+  {
+    var candidates = [];
+    var defaultLocale = "en-US";
+
+    // e.g. "ja-jp-mac" -> "ja-JP", note that the part after the second
+    // dash is dropped, since we only support language and region
+    var parts = selectedLocale.split("-");
+    var language = parts[0];
+    var region = (parts[1] || "").toUpperCase();
+
+    if (region)
+      candidates.push(language + "-" + region);
+
+    candidates.push(language);
+
+    if (candidates.indexOf(defaultLocale) == -1)
+      candidates.push(defaultLocale);
+
+    return candidates;
+  };
+
+  var initCatalog = function(uiLocale)
+  {
+    var bidiDir = /^(ar|fa|he|ug|ur)(-|$)/.test(uiLocale) ? "rtl" : "ltr";
+    var catalog = Object.create(null);
+
+    catalog["@@ui_locale"] = [uiLocale.replace(/-/g, "_"), []];
+    catalog["@@bidi_dir" ] = [bidiDir,  []];
+
+    return catalog;
+  };
+
+  var selectedLocale = window.navigator.language;
+  var match = /[?&]locale=([\w\-]+)/.exec(window.location.search);
+  if (match)
+    selectedLocale = match[1];
+
+  var locales = getLocaleCandidates(selectedLocale);
+  var catalog = initCatalog(locales[0]);
+  var catalogFile = window.location.pathname.replace(/.*\//, "").replace(/\..*/, "") + ".json";
+
+  var replacePlaceholder = function(text, placeholder, content)
+  {
+    return text.split("$" + placeholder + "$").join(content || "");
+  };
+
+  var parseMessage = function(rawMessage)
+  {
+    var text = rawMessage.message;
+    var placeholders = [];
+
+    for (var placeholder in rawMessage.placeholders)
+    {
+      var content = rawMessage.placeholders[placeholder].content;
+
+      if (/^\$\d+$/.test(content))
+        placeholders[parseInt(content.substr(1), 10) - 1] = placeholder;
+      else
+        text = replacePlaceholder(text, placeholder, content);
+    }
+
+    return [text, placeholders];
+  };
+
+  var readCatalog = function(locale)
+  {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", "locale/" + locale + "/" + catalogFile, false);
+    xhr.overrideMimeType("text/plain");
+
+    try
+    {
+      xhr.send();
+    }
+    catch (e)
+    {
+      return;
+    }
+
+    if (xhr.status != 200 && xhr.status != 0)
+      return;
+
+    var rawCatalog = JSON.parse(xhr.responseText);
+    for (var msgId in rawCatalog)
+    {
+      if (!(msgId in catalog))
+        catalog[msgId] = parseMessage(rawCatalog[msgId]);
+    }
+  };
+
+  if (!global.ext)
+    global.ext = {};
+
+  global.ext.i18n = {
+    getMessage: function(msgId, substitutions)
+    {
+      while (true)
+      {
+        var message = catalog[msgId];
+        if (message)
+        {
+          var text = message[0];
+          var placeholders = message[1];
+
+          if (!(substitutions instanceof Array))
+            substitutions = [substitutions];
+
+          for (var i = 0; i < placeholders.length; i++)
+            text = replacePlaceholder(text, placeholders[i], substitutions[i]);
+
+          return text;
+        }
+
+        if (locales.length == 0)
+          return "";
+
+        readCatalog(locales.shift());
+      }
+    }
+  };
+})(this);

-- 
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