Committed C# port from Mohamad

[zxing.git] / csharp / oned / MultiFormatOneDReader.cs

diff --git a/csharp/oned/MultiFormatOneDReader.cs b/csharp/oned/MultiFormatOneDReader.cs
new file mode 100755 (executable)
index 0000000..9bb314b
--- /dev/null
+++ b/csharp/oned/MultiFormatOneDReader.cs
@@ -0,0 +1,75 @@
+/*\r
+* Licensed under the Apache License, Version 2.0 (the "License");\r
+* you may not use this file except in compliance with the License.\r
+* You may obtain a copy of the License at\r
+*\r
+*      http://www.apache.org/licenses/LICENSE-2.0\r
+*\r
+* Unless required by applicable law or agreed to in writing, software\r
+* distributed under the License is distributed on an "AS IS" BASIS,\r
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+* See the License for the specific language governing permissions and\r
+* limitations under the License.\r
+*/\r
+namespace com.google.zxing.oned\r
+{\r
+    /**\r
+     * @author dswitkin@google.com (Daniel Switkin)\r
+     * @author Sean Owen\r
+     */\r
+    using System.Text;\r
+    using com.google.zxing.common;\r
+\r
+    public sealed class MultiFormatOneDReader : AbstractOneDReader\r
+    { \r
+          private System.Collections.ArrayList readers;\r
+          public MultiFormatOneDReader(System.Collections.Hashtable hints)\r
+          {\r
+            System.Collections.ArrayList possibleFormats = hints == null ? null : (System.Collections.ArrayList) hints[DecodeHintType.POSSIBLE_FORMATS];\r
+            readers = new System.Collections.ArrayList();\r
+            if (possibleFormats != null) {\r
+              if (possibleFormats.Contains(BarcodeFormat.EAN_13) ||\r
+                  possibleFormats.Contains(BarcodeFormat.UPC_A) ||\r
+                  possibleFormats.Contains(BarcodeFormat.EAN_8) ||\r
+                  possibleFormats.Contains(BarcodeFormat.UPC_E))\r
+              {\r
+                readers.Add(new MultiFormatUPCEANReader(hints));\r
+              }\r
+              if (possibleFormats.Contains(BarcodeFormat.CODE_39)) {\r
+                  readers.Add(new Code39Reader());\r
+              }\r
+              if (possibleFormats.Contains(BarcodeFormat.CODE_128))\r
+              {\r
+                  readers.Add(new Code128Reader());\r
+              }\r
+              if (possibleFormats.Contains(BarcodeFormat.ITF))\r
+              {\r
+                  readers.Add(new ITFReader());\r
+              }\r
+            }\r
+            if (readers.Count==0) {\r
+                readers.Contains(new MultiFormatUPCEANReader(hints));\r
+                readers.Contains(new Code39Reader());\r
+                readers.Contains(new Code128Reader());\r
+              // TODO: Add ITFReader once it is validated as production ready, and tested for performance.\r
+              //readers.addElement(new ITFReader());\r
+            }\r
+          }\r
+\r
+          public override Result decodeRow(int rowNumber, BitArray row, System.Collections.Hashtable hints)\r
+          {\r
+            int size = readers.Count;\r
+            for (int i = 0; i < size; i++) {\r
+              OneDReader reader = (OneDReader) readers[i];\r
+              try {\r
+                return reader.decodeRow(rowNumber, row, hints);\r
+              } catch (ReaderException re) {\r
+                // continue\r
+              }\r
+            }\r
+\r
+            throw new ReaderException();\r
+          }\r
+    \r
+    }\r
+}
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