organicmaps/protobuf
13
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity Actions

String optimisations

Browse source
This commit is contained in:
Jon Skeet 2009-01-27 14:47:35 +00:00
parent 49fcd4f794
commit 6a60ac33d0
1 changed files with 7 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/ProtocolBuffers/CodedInputStream.cs
View file

@ -219,16 +219,19 @@ namespace Google.ProtocolBuffers {
/// </summary>
public String ReadString() {
int size = (int) ReadRawVarint32();
if (size < bufferSize - bufferPos && size > 0) {
// No need to read any data for an empty string.
if (size == 0) {
return "";
}
if (size <= bufferSize - bufferPos) {
// Fast path: We already have the bytes in a contiguous buffer, so
// just copy directly from it.
String result = Encoding.UTF8.GetString(buffer, bufferPos, size);
bufferPos += size;
return result;
} else {
// Slow path: Build a byte array first then copy it.
return Encoding.UTF8.GetString(ReadRawBytes(size));
}
// Slow path: Build a byte array first then copy it.
return Encoding.UTF8.GetString(ReadRawBytes(size));
}
/// <summary>