weex_core/Source/include/wtf/FilePrintStream.h

/**
 * 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 FilePrintStream_h
#define FilePrintStream_h

#include <stdio.h>
#include <wtf/PrintStream.h>

namespace WTF {

class FilePrintStream : public PrintStream {
public:
    enum AdoptionMode {
        Adopt,
        Borrow
    };
    
    FilePrintStream(FILE*, AdoptionMode = Adopt);
    virtual ~FilePrintStream();
    
    WTF_EXPORT_PRIVATE static std::unique_ptr<FilePrintStream> open(const char* filename, const char* mode);
    
    FILE* file() { return m_file; }
    
    void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
    void flush() override;

private:
    FILE* m_file;
    AdoptionMode m_adoptionMode;
};

} // namespace WTF

using WTF::FilePrintStream;

#endif // FilePrintStream_h