Cleanup fsdk_define methods

This CL collects the various fsdk_define methods into a fsdk_define.cpp
class. Methods only used in one place are moved into the appropriate
anonymous namespaces.

Change-Id: I75bfc7e8fe20711106fcf9821adeb41d69bf5848
Reviewed-on: https://pdfium-review.googlesource.com/29310
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/fpdfsdk/cpdfsdk_memoryaccess.h b/fpdfsdk/cpdfsdk_memoryaccess.h
new file mode 100644
index 0000000000..9d5a365804
--- /dev/null
+++ b/fpdfsdk/cpdfsdk_memoryaccess.h
@@ -0,0 +1,29 @@
+// Copyright 2018 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef FPDFSDK_CPDFSDK_MEMORYACCESS_H_
+#define FPDFSDK_CPDFSDK_MEMORYACCESS_H_
+
+#include "core/fxcrt/fx_stream.h"
+
+class CPDFSDK_MemoryAccess final : public IFX_SeekableReadStream {
+ public:
+  template <typename T, typename... Args>
+  friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
+
+  ~CPDFSDK_MemoryAccess() override;
+
+  FX_FILESIZE GetSize() override;
+  bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
+
+ private:
+  CPDFSDK_MemoryAccess(const uint8_t* pBuf, FX_FILESIZE size);
+
+  const uint8_t* const m_pBuf;
+  const FX_FILESIZE m_size;
+};
+
+#endif  // FPDFSDK_CPDFSDK_MEMORYACCESS_H_