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authorDan Sinclair <dsinclair@chromium.org>2017-08-30 16:21:36 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-08-30 20:50:28 +0000
commitcd07123993c2f6cfd2d08929e6ad27cab3ac74e9 (patch)
tree9a721335cc507c101557bec84d9022d7f971445a /core/fxcrt/cfx_binarybuf.h
parent5624fe39db570f5ad0fab80cf6314e95e4397698 (diff)
downloadpdfium-cd07123993c2f6cfd2d08929e6ad27cab3ac74e9.tar.xz
Move CFX_BinaryBuf out of fx_basic
This CL splits the CFX_BinaryBuf out of fx_basic into its own files. The various includes have been updated. Change-Id: I0fa616eeb4df6dd229c02dc3a0597b3dced59425 Reviewed-on: https://pdfium-review.googlesource.com/12412 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxcrt/cfx_binarybuf.h')
-rw-r--r--core/fxcrt/cfx_binarybuf.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_binarybuf.h b/core/fxcrt/cfx_binarybuf.h
new file mode 100644
index 0000000000..3081d02902
--- /dev/null
+++ b/core/fxcrt/cfx_binarybuf.h
@@ -0,0 +1,52 @@
+// Copyright 2017 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 CORE_FXCRT_CFX_BINARYBUF_H_
+#define CORE_FXCRT_CFX_BINARYBUF_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_memory.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+
+class CFX_BinaryBuf {
+ public:
+ CFX_BinaryBuf();
+ explicit CFX_BinaryBuf(FX_STRSIZE size);
+ ~CFX_BinaryBuf();
+
+ uint8_t* GetBuffer() const { return m_pBuffer.get(); }
+ FX_STRSIZE GetSize() const { return m_DataSize; }
+
+ void Clear();
+ void EstimateSize(FX_STRSIZE size, FX_STRSIZE alloc_step = 0);
+ void AppendBlock(const void* pBuf, FX_STRSIZE size);
+ void AppendString(const CFX_ByteString& str) {
+ AppendBlock(str.c_str(), str.GetLength());
+ }
+
+ void AppendByte(uint8_t byte) {
+ ExpandBuf(1);
+ m_pBuffer.get()[m_DataSize++] = byte;
+ }
+
+ void InsertBlock(FX_STRSIZE pos, const void* pBuf, FX_STRSIZE size);
+ void Delete(FX_STRSIZE start_index, FX_STRSIZE count);
+
+ // Releases ownership of |m_pBuffer| and returns it.
+ std::unique_ptr<uint8_t, FxFreeDeleter> DetachBuffer();
+
+ protected:
+ void ExpandBuf(FX_STRSIZE size);
+
+ FX_STRSIZE m_AllocStep;
+ FX_STRSIZE m_AllocSize;
+ FX_STRSIZE m_DataSize;
+ std::unique_ptr<uint8_t, FxFreeDeleter> m_pBuffer;
+};
+
+#endif // CORE_FXCRT_CFX_BINARYBUF_H_