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Merge pull request #361 from brianduff/sync_aosp

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Speed up little endian int/long writes.
This commit is contained in:
Feng Xiao 2015-06-06 00:44:39 -07:00
commit 3f9be70d06
1 changed files with 10 additions and 12 deletions
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22
javanano/src/main/java/com/google/protobuf/nano/CodedOutputByteBufferNano.java
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@ -33,6 +33,7 @@ package com.google.protobuf.nano;
import java.io.IOException;
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.ReadOnlyBufferException;
/**
@ -61,6 +62,7 @@ public final class CodedOutputByteBufferNano {
private CodedOutputByteBufferNano(final ByteBuffer buffer) {
this.buffer = buffer;
this.buffer.order(ByteOrder.LITTLE_ENDIAN);
}
/**
@ -1038,24 +1040,20 @@ public final class CodedOutputByteBufferNano {
/** Write a little-endian 32-bit integer. */
public void writeRawLittleEndian32(final int value) throws IOException {
writeRawByte((value ) & 0xFF);
writeRawByte((value >> 8) & 0xFF);
writeRawByte((value >> 16) & 0xFF);
writeRawByte((value >> 24) & 0xFF);
if (buffer.remaining() < 4) {
throw new OutOfSpaceException(buffer.position(), buffer.limit());
}
buffer.putInt(value);
}
public static final int LITTLE_ENDIAN_32_SIZE = 4;
/** Write a little-endian 64-bit integer. */
public void writeRawLittleEndian64(final long value) throws IOException {
writeRawByte((int)(value ) & 0xFF);
writeRawByte((int)(value >> 8) & 0xFF);
writeRawByte((int)(value >> 16) & 0xFF);
writeRawByte((int)(value >> 24) & 0xFF);
writeRawByte((int)(value >> 32) & 0xFF);
writeRawByte((int)(value >> 40) & 0xFF);
writeRawByte((int)(value >> 48) & 0xFF);
writeRawByte((int)(value >> 56) & 0xFF);
if (buffer.remaining() < 8) {
throw new OutOfSpaceException(buffer.position(), buffer.limit());
}
buffer.putLong(value);
}
public static final int LITTLE_ENDIAN_64_SIZE = 8;