| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| |
| #ifndef IMPALA_EXEC_OUTPUT_BUFFER_INLINE_H |
| #define IMPALA_EXEC_OUTPUT_BUFFER_INLINE_H |
| |
| #include "exec/write-stream.h" |
| #include "exec/read-write-util.h" |
| |
| #include <stdlib.h> |
| |
| namespace impala { |
| |
| inline int WriteStream::WriteByte(uint8_t val) { |
| return WriteByte(static_cast<char>(val)); |
| } |
| |
| inline int WriteStream::WriteByte(char val) { |
| return WriteBytes(1, &val); |
| } |
| |
| inline int WriteStream::WriteVLong(int64_t val) { |
| uint8_t buf[ReadWriteUtil::MAX_VINT_LEN]; |
| int size = ReadWriteUtil::PutVLong(val, buf); |
| return WriteBytes(size, buf); |
| } |
| |
| inline int WriteStream::WriteVInt(int32_t val) { |
| uint8_t buf[ReadWriteUtil::MAX_VINT_LEN]; |
| int size = ReadWriteUtil::PutVInt(val, buf); |
| return WriteBytes(size, buf); |
| } |
| |
| inline int WriteStream::WriteInt(uint32_t val) { |
| uint8_t buf[sizeof(int32_t)]; |
| ReadWriteUtil::PutInt(static_cast<uint8_t*>(buf), val); |
| return WriteBytes(sizeof(int32_t), buf); |
| } |
| |
| inline int WriteStream::WriteZInt(int32_t val) { |
| uint8_t buf[ReadWriteUtil::MAX_ZINT_LEN]; |
| int len = ReadWriteUtil::PutZInt(val, buf); |
| return WriteBytes(len, buf); |
| } |
| |
| inline int WriteStream::WriteZLong(int64_t val) { |
| uint8_t buf[ReadWriteUtil::MAX_ZLONG_LEN]; |
| int len = ReadWriteUtil::PutZLong(val, buf); |
| return WriteBytes(len, buf); |
| } |
| |
| inline int WriteStream::WriteBytes(int length, const uint8_t* buf) { |
| return WriteBytes(length, reinterpret_cast<const char*>(buf)); |
| } |
| |
| inline int WriteStream::WriteBytes(int length, const char* buf) { |
| len_ += length; |
| buffer_.write(buf, length); |
| return length; |
| } |
| |
| inline int WriteStream::WriteText(int length, const uint8_t* buf) { |
| int l = length; |
| l += WriteVInt(length); |
| if (length > 0) WriteBytes(length, buf); |
| return l; |
| } |
| |
| inline int WriteStream::WriteEmptyText() { |
| return WriteVInt(0); |
| } |
| |
| inline int WriteStream::WriteBoolean(bool b) { |
| uint8_t val = b ? 1 : 0; |
| return WriteBytes(1, &val); |
| } |
| |
| inline string WriteStream::String() { |
| return buffer_.str(); |
| } |
| |
| inline size_t WriteStream::Size() { |
| return len_; |
| } |
| |
| inline void WriteStream::Clear() { |
| len_ = 0; |
| buffer_.str(""); |
| } |
| |
| } // namespace impala |
| #endif |