third_party/WebKit/Source/wtf/FilePrintStream.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef FilePrintStream_h
  27 #define FilePrintStream_h
  28
  29 #include <stdio.h>
  30 #include "wtf/PassOwnPtr.h"
  31 #include "wtf/PrintStream.h"
  32
  33 namespace WTF {
  34
  35 class WTF_EXPORT FilePrintStream final : public PrintStream {
  36 public:
  37     enum AdoptionMode {
  38         Adopt,
  39         Borrow
  40     };
  41
  42     FilePrintStream(FILE*, AdoptionMode = Adopt);
  43     ~FilePrintStream() override;
  44
  45     static PassOwnPtr<FilePrintStream> open(const char* filename, const char* mode);
  46
  47     FILE* file() { return m_file; }
  48
  49     void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
  50     void flush() override;
  51
  52 private:
  53     FILE* m_file;
  54     AdoptionMode m_adoptionMode;
  55 };
  56
  57 } // namespace WTF
  58
  59 using WTF::FilePrintStream;
  60
  61 #endif // FilePrintStream_h
  62