Commit 6a60ac33 authored by Jon Skeet's avatar Jon Skeet

String optimisations

parent 49fcd4f7
......@@ -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>
......
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