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Merge pull request #2090 from evolutional/cs-perf-string 

C# - Performance optimizations
This commit is contained in:
Wouter van Oortmerssen 2015-12-14 15:16:46 -08:00
parent 4dcaec7938 be11d2b6ef
commit 2ce5d6c2b6
2 changed files with 15 additions and 11 deletions
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7
net/FlatBuffers/ByteBuffer.cs
View File

@ -146,6 +146,13 @@ namespace FlatBuffers
_buffer[offset] = value;
}
public void PutByte(int offset, byte value, int count)
{
AssertOffsetAndLength(offset, sizeof(byte) * count);
for (var i = 0; i < count; ++i)
_buffer[offset + i] = value;
}
// this method exists in order to conform with Java ByteBuffer standards
public void Put(int offset, byte value)
{

19
net/FlatBuffers/FlatBufferBuilder.cs
View File

@ -69,10 +69,7 @@ namespace FlatBuffers
public void Pad(int size)
{
for (var i = 0; i < size; i++)
{
_bb.PutByte(--_space, 0);
}
_bb.PutByte(_space -= size, 0, size);
}
// Doubles the size of the ByteBuffer, and copies the old data towards
@ -116,7 +113,8 @@ namespace FlatBuffers
_space += (int)_bb.Length - oldBufSize;
}
Pad(alignSize);
if (alignSize > 0)
Pad(alignSize);
}
public void PutBool(bool x)
@ -276,12 +274,11 @@ namespace FlatBuffers
public StringOffset CreateString(string s)
{
NotNested();
byte[] utf8 = Encoding.UTF8.GetBytes(s);
AddByte((byte)0);
StartVector(1, utf8.Length, 1);
Buffer.BlockCopy(utf8, 0, _bb.Data, _space -= utf8.Length,
utf8.Length);
NotNested();
AddByte(0);
var utf8StringLen = Encoding.UTF8.GetByteCount(s);
StartVector(1, utf8StringLen, 1);
Encoding.UTF8.GetBytes(s, 0, s.Length, _bb.Data, _space -= utf8StringLen);
return new StringOffset(EndVector().Value);
}