switch from Unity version control to git

Assets/FlatBuffers/Table.cs

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+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace Google.FlatBuffers
+{
+    /// <summary>
+    /// All tables in the generated code derive from this struct, and add their own accessors.
+    /// </summary>
+    public struct Table
+    {
+        public int bb_pos { get; private set; }
+        public ByteBuffer bb { get; private set; }
+
+        public ByteBuffer ByteBuffer { get { return bb; } }
+
+        // Re-init the internal state with an external buffer {@code ByteBuffer} and an offset within.
+        public Table(int _i, ByteBuffer _bb) : this()
+        {
+            bb = _bb;
+            bb_pos = _i;
+        }
+
+        // Look up a field in the vtable, return an offset into the object, or 0 if the field is not
+        // present.
+        public int __offset(int vtableOffset)
+        {
+            int vtable = bb_pos - bb.GetInt(bb_pos);
+            return vtableOffset < bb.GetShort(vtable) ? (int)bb.GetShort(vtable + vtableOffset) : 0;
+        }
+
+        public static int __offset(int vtableOffset, int offset, ByteBuffer bb)
+        {
+            int vtable = bb.Length - offset;
+            return (int)bb.GetShort(vtable + vtableOffset - bb.GetInt(vtable)) + vtable;
+        }
+
+        // Retrieve the relative offset stored at "offset"
+        public int __indirect(int offset)
+        {
+            return offset + bb.GetInt(offset);
+        }
+
+        public static int __indirect(int offset, ByteBuffer bb)
+        {
+            return offset + bb.GetInt(offset);
+        }
+
+        // Create a .NET String from UTF-8 data stored inside the flatbuffer.
+        public string __string(int offset)
+        {
+            int stringOffset = bb.GetInt(offset);
+            if (stringOffset == 0)
+                return null;
+
+            offset += stringOffset;
+            var len = bb.GetInt(offset);
+            var startPos = offset + sizeof(int);
+            return bb.GetStringUTF8(startPos, len);
+        }
+
+        // Get the length of a vector whose offset is stored at "offset" in this object.
+        public int __vector_len(int offset)
+        {
+            offset += bb_pos;
+            offset += bb.GetInt(offset);
+            return bb.GetInt(offset);
+        }
+
+        // Get the start of data of a vector whose offset is stored at "offset" in this object.
+        public int __vector(int offset)
+        {
+            offset += bb_pos;
+            return offset + bb.GetInt(offset) + sizeof(int);  // data starts after the length
+        }
+
+#if ENABLE_SPAN_T && UNSAFE_BYTEBUFFER
+        // Get the data of a vector whoses offset is stored at "offset" in this object as an
+        // Spant&lt;byte&gt;. If the vector is not present in the ByteBuffer,
+        // then an empty span will be returned.
+        public Span<T> __vector_as_span<T>(int offset, int elementSize) where T : struct
+        {
+            if (!BitConverter.IsLittleEndian)
+            {
+               throw new NotSupportedException("Getting typed span on a Big Endian " +
+                                               "system is not support");
+            }
+
+            var o = this.__offset(offset);
+            if (0 == o)
+            {
+                return new Span<T>();
+            }
+
+            var pos = this.__vector(o);
+            var len = this.__vector_len(o);
+            return MemoryMarshal.Cast<byte, T>(bb.ToSpan(pos, len * elementSize));
+        }
+#else
+        // Get the data of a vector whoses offset is stored at "offset" in this object as an
+        // ArraySegment&lt;byte&gt;. If the vector is not present in the ByteBuffer,
+        // then a null value will be returned.
+        public ArraySegment<byte>? __vector_as_arraysegment(int offset)
+        {
+            var o = this.__offset(offset);
+            if (0 == o)
+            {
+                return null;
+            }
+
+            var pos = this.__vector(o);
+            var len = this.__vector_len(o);
+            return bb.ToArraySegment(pos, len);
+        }
+#endif
+
+        // Get the data of a vector whoses offset is stored at "offset" in this object as an
+        // T[]. If the vector is not present in the ByteBuffer, then a null value will be
+        // returned.
+        public T[] __vector_as_array<T>(int offset)
+            where T : struct
+        {
+            if(!BitConverter.IsLittleEndian)
+            {
+                throw new NotSupportedException("Getting typed arrays on a Big Endian " +
+                    "system is not support");
+            }
+
+            var o = this.__offset(offset);
+            if (0 == o)
+            {
+                return null;
+            }
+
+            var pos = this.__vector(o);
+            var len = this.__vector_len(o);
+            return bb.ToArray<T>(pos, len);
+        }
+
+        // Initialize any Table-derived type to point to the union at the given offset.
+        public T __union<T>(int offset) where T : struct, IFlatbufferObject
+        {
+            T t = new T();
+            t.__init(__indirect(offset), bb);
+            return t;
+        }
+
+        public static bool __has_identifier(ByteBuffer bb, string ident)
+        {
+            if (ident.Length != FlatBufferConstants.FileIdentifierLength)
+                throw new ArgumentException("FlatBuffers: file identifier must be length " + FlatBufferConstants.FileIdentifierLength, "ident");
+
+            for (var i = 0; i < FlatBufferConstants.FileIdentifierLength; i++)
+            {
+                if (ident[i] != (char)bb.Get(bb.Position + sizeof(int) + i)) return false;
+            }
+
+            return true;
+        }
+
+        // Compare strings in the ByteBuffer.
+        public static int CompareStrings(int offset_1, int offset_2, ByteBuffer bb)
+        {
+            offset_1 += bb.GetInt(offset_1);
+            offset_2 += bb.GetInt(offset_2);
+            var len_1 = bb.GetInt(offset_1);
+            var len_2 = bb.GetInt(offset_2);
+            var startPos_1 = offset_1 + sizeof(int);
+            var startPos_2 = offset_2 + sizeof(int);
+            var len = Math.Min(len_1, len_2);
+            for(int i = 0; i < len; i++) {
+                byte b1 = bb.Get(i + startPos_1);
+                byte b2 = bb.Get(i + startPos_2);
+                if (b1 != b2)
+                    return b1 - b2;
+            }
+            return len_1 - len_2;
+        }
+
+        // Compare string from the ByteBuffer with the string object
+        public static int CompareStrings(int offset_1, byte[] key, ByteBuffer bb)
+        {
+            offset_1 += bb.GetInt(offset_1);
+            var len_1 = bb.GetInt(offset_1);
+            var len_2 = key.Length;
+            var startPos_1 = offset_1 + sizeof(int);
+            var len = Math.Min(len_1, len_2);
+            for (int i = 0; i < len; i++) {
+                byte b = bb.Get(i + startPos_1);
+                if (b != key[i])
+                    return b - key[i];
+            }
+            return len_1 - len_2;
+        }
+    }
+}