bundle: new get/setList

diff --git a/src/be/nikiroo/utils/resources/Bundle.java b/src/be/nikiroo/utils/resources/Bundle.java
index 92b02eb43e75cc59eec8cb5a6c3bf80c20c7f300..f01aa445be5b36f8640f9b313a772301e6629581 100644 (file)
--- a/src/be/nikiroo/utils/resources/Bundle.java
+++ b/src/be/nikiroo/utils/resources/Bundle.java
@@ -387,6 +387,101 @@ public class Bundle<E extends Enum<E>> {
                setString(id, "#" + rs + gs + bs + as);
        }
 
+       /**
+        * Return the value associated to the given id as a list of values if it is
+        * found and can be parsed.
+        * 
+        * @param id
+        *            the id of the value to get
+        * 
+        * @return the associated list, empty if the value is empty, NULL if it is
+        *         not found or cannot be parsed as a list
+        */
+       public List<String> getList(E id) {
+               List<String> list = new ArrayList<String>();
+               String raw = getString(id);
+               try {
+                       boolean inQuote = false;
+                       boolean prevIsBackSlash = false;
+                       StringBuilder builder = new StringBuilder();
+                       for (int i = 0; i < raw.length(); i++) {
+                               char car = raw.charAt(i);
+
+                               if (prevIsBackSlash) {
+                                       builder.append(car);
+                                       prevIsBackSlash = false;
+                               } else {
+                                       switch (car) {
+                                       case '"':
+                                               if (inQuote) {
+                                                       list.add(builder.toString());
+                                                       builder.setLength(0);
+                                               }
+
+                                               inQuote = !inQuote;
+                                               break;
+                                       case '\\':
+                                               prevIsBackSlash = true;
+                                               break;
+                                       case ' ':
+                                       case '\n':
+                                       case '\r':
+                                               if (inQuote) {
+                                                       builder.append(car);
+                                               }
+                                               break;
+
+                                       case ',':
+                                               if (!inQuote) {
+                                                       break;
+                                               }
+                                               // continue to default
+                                       default:
+                                               if (!inQuote) {
+                                                       // Bad format!
+                                                       return null;
+                                               }
+
+                                               builder.append(car);
+                                               break;
+                                       }
+                               }
+                       }
+
+                       if (inQuote || prevIsBackSlash) {
+                               // Bad format!
+                               return null;
+                       }
+
+               } catch (Exception e) {
+                       return null;
+               }
+
+               return list;
+       }
+
+       /**
+        * Set the value associated to the given id as a list of values.
+        * 
+        * @param id
+        *            the id of the value to set
+        * @param list
+        *            the new list of values
+        */
+       public void setList(E id, List<String> list) {
+               StringBuilder builder = new StringBuilder();
+               for (String item : list) {
+                       if (builder.length() > 0) {
+                               builder.append(", ");
+                       }
+                       builder.append('"')//
+                                       .append(item.replace("\\", "\\\\").replace("\"", "\\\""))//
+                                       .append('"');
+               }
+
+               setString(id, builder.toString());
+       }
+
        /**
         * Create/update the .properties file.
         * <p>