| /** |
| * 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 ORC_MEMORYOUTPUTSTREAM_HH |
| #define ORC_MEMORYOUTPUTSTREAM_HH |
| |
| #include "orc/OrcFile.hh" |
| #include "io/OutputStream.hh" |
| |
| #include <iostream> |
| |
| namespace orc { |
| |
| class MemoryOutputStream : public OutputStream { |
| public: |
| MemoryOutputStream(ssize_t capacity) : name("MemoryOutputStream") { |
| data = new char[capacity]; |
| length = 0; |
| } |
| |
| virtual ~MemoryOutputStream() override; |
| |
| virtual uint64_t getLength() const override { |
| return length; |
| } |
| |
| virtual uint64_t getNaturalWriteSize() const override { |
| return naturalWriteSize; |
| } |
| |
| virtual void write(const void* buf, size_t size) override; |
| |
| virtual const std::string& getName() const override { |
| return name; |
| } |
| |
| const char * getData() const { |
| return data; |
| } |
| |
| void close() override { |
| } |
| |
| void reset() { |
| length = 0; |
| } |
| |
| private: |
| char * data; |
| std::string name; |
| uint64_t length, naturalWriteSize; |
| }; |
| } |
| |
| #endif |