From 46e6e1e93039629a31fec48cbc861b65debb3202 Mon Sep 17 00:00:00 2001
From: Suha Can <Suha.Can@microsoft.com>
Date: Wed, 2 Jun 2010 16:24:05 -0700
Subject: [PATCH] - Resource manager processes po files, scope fallback.

--HG--
branch : dev
---
 .../Services/DefaultResourceManager.cs        | 83 ++++++++++++++++---
 1 file changed, 72 insertions(+), 11 deletions(-)

diff --git a/src/Orchard/Localization/Services/DefaultResourceManager.cs b/src/Orchard/Localization/Services/DefaultResourceManager.cs
index 938780ea1..313de4212 100644
--- a/src/Orchard/Localization/Services/DefaultResourceManager.cs
+++ b/src/Orchard/Localization/Services/DefaultResourceManager.cs
@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.IO;
 using Orchard.FileSystems.WebSite;
 
 namespace Orchard.Localization.Services {
@@ -19,11 +21,21 @@ namespace Orchard.Localization.Services {
                 LoadCultures();
             }
 
-            if (cultureName.Equals("en-US")) {
-                return text;
+            foreach (var culture in _cultures) {
+                if (String.Equals(cultureName, culture.CultureName, StringComparison.OrdinalIgnoreCase)) {
+                    string scopedKey = scope + "|" + text;
+                    string genericKey = "|" + text;
+                    if (culture.Translations.ContainsKey(scopedKey)) {
+                        return culture.Translations[scopedKey];
+                    }
+                    if (culture.Translations.ContainsKey(genericKey)) {
+                        return culture.Translations[genericKey];
+                    }
+                    return text;
+                }
             }
 
-            return string.Empty;
+            return text;
         }
 
         private void LoadCultures() {
@@ -38,16 +50,65 @@ namespace Orchard.Localization.Services {
         private IDictionary<string, string> LoadTranslationsForCulture(string culture) {
             string path = string.Format(CoreLocalizationFilePathFormat, culture);
             string text = _webSiteFolder.ReadFile(path);
-            return ParseLocalizationStream(text);
+            if (text != null) {
+                return ParseLocalizationStream(text);
+            }
+            return new Dictionary<string, string>();
         }
 
         private static IDictionary<string, string> ParseLocalizationStream(string text) {
-            return new Dictionary<string, string>();
+            Dictionary<string, string> translations = new Dictionary<string, string>();
+            StringReader reader = new StringReader(text);
+            string poLine, id, scope;
+            id = scope = String.Empty;
+            while ((poLine = reader.ReadLine()) != null) {
+                if (poLine.StartsWith("#:")) {
+                    scope = ParseScope(poLine);
+                    continue;
+                }
+
+                if (poLine.StartsWith("msgid")) {
+                    id = ParseId(poLine);
+                    continue;
+                }
+
+                if (poLine.StartsWith("msgstr")) {
+                    string translation = ParseTranslation(poLine);
+                    if (!String.IsNullOrEmpty(id)) {
+                        if (!String.IsNullOrEmpty(scope)) {
+                            string scopedKey = scope + "|" + id;
+                            if (!translations.ContainsKey(scopedKey)) {
+                                translations.Add(scopedKey, translation);
+                            }
+                        }
+                        string genericKey = "|" + id;
+                        if (!translations.ContainsKey(genericKey)) {
+                            translations.Add(genericKey, translation);
+                        }
+                    }
+                    id = scope = String.Empty;
+                }
+
+            }
+
+            return translations;
+        }
+
+        private static string ParseTranslation(string poLine) {
+            return poLine.Substring(6).Trim().Trim('"');
+        }
+
+        private static string ParseId(string poLine) {
+            return poLine.Substring(5).Trim().Trim('"');
+        }
+
+        private static string ParseScope(string poLine) {
+            return poLine.Substring(2).Trim().Trim('"');
+        }
+
+        class CultureDictionary {
+            public string CultureName { get; set; }
+            public IDictionary<string, string> Translations { get; set; }
         }
     }
-
-    class CultureDictionary {
-        public string CultureName { get; set; }
-        public IDictionary<string, string> Translations { get; set; }
-    }
 }