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After review feedback (IDEA-CR-31906)

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readINT / writeINT for ByteBuffer were moved to DataInputOutputUtilRt
This commit is contained in:
Maxim.Mossienko
2018-04-18 18:18:45 +02:00
parent 3b329e0cd4
commit 4b7aeac9fe
2 changed files with 31 additions and 22 deletions
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platform/util-rt/src/com/intellij/openapi/util/io/DataInputOutputUtilRt.java
+29
View File
@@ -22,6 +22,7 @@ import org.jetbrains.annotations.NotNull;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
@@ -43,6 +44,22 @@ public class DataInputOutputUtilRt {
}
}
public static int readINT(@NotNull ByteBuffer byteBuffer) {
final int val = byteBuffer.get() & 0xFF;
if (val < 192) {
return val;
}
int res = val - 192;
for (int sh = 6; ; sh += 7) {
int next = byteBuffer.get() & 0xFF;
res |= (next & 0x7F) << sh;
if ((next & 0x80) == 0) {
return res;
}
}
}
public static void writeINT(@NotNull DataOutput record, int val) throws IOException {
if (0 > val || val >= 192) {
record.writeByte(192 + (val & 0x3F));
@@ -55,6 +72,18 @@ public class DataInputOutputUtilRt {
record.writeByte(val);
}
public static void writeINT(@NotNull ByteBuffer byteBuffer, int val) {
if (0 > val || val >= 192) {
byteBuffer.put( (byte)(192 + (val & 0x3F)));
val >>>= 6;
while (val >= 128) {
byteBuffer.put((byte)((val & 0x7F) | 0x80));
val >>>= 7;
}
}
byteBuffer.put((byte)val);
}
/**
* Writes the given collection to the output using the given procedure to write each element.
* Should be coupled with {@link #readSeq}
platform/util/src/com/intellij/util/io/DataInputOutputUtil.java
+2 -22
View File
@@ -40,19 +40,7 @@ public class DataInputOutputUtil extends DataInputOutputUtilRt {
}
public static int readINT(@NotNull ByteBuffer byteBuffer) {
final int val = byteBuffer.get() & 0xFF;
if (val < 192) {
return val;
}
int res = val - 192;
for (int sh = 6; ; sh += 7) {
int next = byteBuffer.get() & 0xFF;
res |= (next & 0x7F) << sh;
if ((next & 0x80) == 0) {
return res;
}
}
return DataInputOutputUtilRt.readINT(byteBuffer);
}
public static void writeINT(@NotNull DataOutput record, int val) throws IOException {
@@ -60,15 +48,7 @@ public class DataInputOutputUtil extends DataInputOutputUtilRt {
}
public static void writeINT(@NotNull ByteBuffer byteBuffer, int val) {
if (0 > val || val >= 192) {
byteBuffer.put( (byte)(192 + (val & 0x3F)));
val >>>= 6;
while (val >= 128) {
byteBuffer.put((byte)((val & 0x7F) | 0x80));
val >>>= 7;
}
}
byteBuffer.put((byte)val);
DataInputOutputUtilRt.writeINT(byteBuffer, val);
}
public static long readLONG(@NotNull DataInput record) throws IOException {