New C# port from Suraj Supekar

[zxing.git] / csharp / common / ByteArray.cs

diff --git a/csharp/common/ByteArray.cs b/csharp/common/ByteArray.cs
new file mode 100755 (executable)
index 0000000..ada385d
--- /dev/null
+++ b/csharp/common/ByteArray.cs
@@ -0,0 +1,116 @@
+/*\r
+* Copyright 2008 ZXing authors\r
+*\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
+using System;\r
+namespace com.google.zxing.common\r
+{\r
+       \r
+       /// <summary> This class implements an array of unsigned bytes.\r
+       /// \r
+       /// </summary>\r
+       /// <author>  dswitkin@google.com (Daniel Switkin)\r
+       /// </author>\r
+       /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source \r
+       /// </author>\r
+       public sealed class ByteArray\r
+       {\r
+               public bool Empty\r
+               {\r
+                       get\r
+                       {\r
+                               return size_Renamed_Field == 0;\r
+                       }\r
+                       \r
+               }\r
+               \r
+               private const int INITIAL_SIZE = 32;\r
+               \r
+               private sbyte[] bytes;\r
+               private int size_Renamed_Field;\r
+               \r
+               public ByteArray()\r
+               {\r
+                       bytes = null;\r
+                       size_Renamed_Field = 0;\r
+               }\r
+               \r
+               public ByteArray(int size)\r
+               {\r
+                       bytes = new sbyte[size];\r
+                       this.size_Renamed_Field = size;\r
+               }\r
+               \r
+               public ByteArray(sbyte[] byteArray)\r
+               {\r
+                       bytes = byteArray;\r
+                       size_Renamed_Field = bytes.Length;\r
+               }\r
+               \r
+               /// <summary> Access an unsigned byte at location index.</summary>\r
+               /// <param name="index">The index in the array to access.\r
+               /// </param>\r
+               /// <returns> The unsigned value of the byte as an int.\r
+               /// </returns>\r
+               public int at(int index)\r
+               {\r
+                       return bytes[index] & 0xff;\r
+               }\r
+               \r
+               public void  set_Renamed(int index, int value_Renamed)\r
+               {\r
+                       bytes[index] = (sbyte) value_Renamed;\r
+               }\r
+               \r
+               public int size()\r
+               {\r
+                       return size_Renamed_Field;\r
+               }\r
+               \r
+               public void  appendByte(int value_Renamed)\r
+               {\r
+                       if (size_Renamed_Field == 0 || size_Renamed_Field >= bytes.Length)\r
+                       {\r
+                               int newSize = System.Math.Max(INITIAL_SIZE, size_Renamed_Field << 1);\r
+                               reserve(newSize);\r
+                       }\r
+                       bytes[size_Renamed_Field] = (sbyte) value_Renamed;\r
+                       size_Renamed_Field++;\r
+               }\r
+               \r
+               public void  reserve(int capacity)\r
+               {\r
+                       if (bytes == null || bytes.Length < capacity)\r
+                       {\r
+                               sbyte[] newArray = new sbyte[capacity];\r
+                               if (bytes != null)\r
+                               {\r
+                                       Array.Copy(bytes, 0, newArray, 0, bytes.Length);\r
+                               }\r
+                               bytes = newArray;\r
+                       }\r
+               }\r
+               \r
+               // Copy count bytes from array source starting at offset.\r
+               public void  set_Renamed(sbyte[] source, int offset, int count)\r
+               {\r
+                       bytes = new sbyte[count];\r
+                       size_Renamed_Field = count;\r
+                       for (int x = 0; x < count; x++)\r
+                       {\r
+                               bytes[x] = source[offset + x];\r
+                       }\r
+               }\r
+       }\r
+}
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