pdf/pdfium/pdfium_mem_buffer_file_write.h

   1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
   6 #define PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
   7
   8 #include <string>
   9
  10 #include "third_party/pdfium/public/fpdf_save.h"
  11
  12 namespace chrome_pdf {
  13
  14 // Implementation of FPDF_FILEWRITE into a memory buffer.
  15 class PDFiumMemBufferFileWrite : public FPDF_FILEWRITE {
  16  public:
  17   PDFiumMemBufferFileWrite();
  18   ~PDFiumMemBufferFileWrite();
  19
  20   const std::basic_string<unsigned char>& buffer() { return buffer_; }
  21   size_t size() { return buffer_.size(); }
  22
  23  private:
  24   int DoWriteBlock(const void* data, unsigned long size);
  25   static int WriteBlockImpl(FPDF_FILEWRITE* this_file_write, const void* data,
  26                             unsigned long size);
  27
  28   std::basic_string<unsigned char> buffer_;
  29 };
  30
  31 }  // namespace chrome_pdf
  32
  33 #endif  // PDF_PDFIUM_PDFIUM_MEM_BUFFER_FILE_WRITE_
  34