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authorDan Sinclair <dsinclair@chromium.org>2017-04-03 16:46:21 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-04-03 21:05:39 +0000
commitac35589d5d1a593497cf28d91ab6a236f25833c3 (patch)
treefa68e190e5878156659dd0e3c649d83c912dee97 /core/fxcrt/cfx_blockbuffer.h
parent6da8ac5053e9ebf7c4ce0d9d67b0443d3f8f6084 (diff)
downloadpdfium-ac35589d5d1a593497cf28d91ab6a236f25833c3.tar.xz
Split the FDE XML file into indiviual class files.
This Cl splits the fde_xml_int file apart into individual class files. Includes are fixed as needed. fde_xml.h is also removed and the needed defines moved to more appropiate places. Change-Id: I29774dabc4d0fb2d5092fcbbe7853f03401b6ec7 Reviewed-on: https://pdfium-review.googlesource.com/3616 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcrt/cfx_blockbuffer.h')
-rw-r--r--core/fxcrt/cfx_blockbuffer.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_blockbuffer.h b/core/fxcrt/cfx_blockbuffer.h
new file mode 100644
index 0000000000..dbf01a938a
--- /dev/null
+++ b/core/fxcrt/cfx_blockbuffer.h
@@ -0,0 +1,54 @@
+// 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_BLOCKBUFFER_H_
+#define CORE_FXCRT_CFX_BLOCKBUFFER_H_
+
+#include <stdint.h>
+
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/fx_string.h"
+
+class CFX_BlockBuffer {
+ public:
+ explicit CFX_BlockBuffer(int32_t iAllocStep = 1024 * 1024);
+ ~CFX_BlockBuffer();
+
+ bool InitBuffer(int32_t iBufferSize = 1024 * 1024);
+ bool IsInitialized() { return m_iBufferSize / m_iAllocStep >= 1; }
+
+ wchar_t* GetAvailableBlock(int32_t& iIndexInBlock);
+ inline int32_t GetAllocStep() const { return m_iAllocStep; }
+ inline int32_t& GetDataLengthRef() { return m_iDataLength; }
+
+ inline void Reset(bool bReserveData = true) {
+ if (!bReserveData)
+ m_iStartPosition = 0;
+ m_iDataLength = 0;
+ }
+
+ void SetTextChar(int32_t iIndex, wchar_t ch);
+ int32_t DeleteTextChars(int32_t iCount, bool bDirection = true);
+ void GetTextData(CFX_WideString& wsTextData,
+ int32_t iStart = 0,
+ int32_t iLength = -1) const;
+
+ private:
+ inline void TextDataIndex2BufIndex(const int32_t iIndex,
+ int32_t& iBlockIndex,
+ int32_t& iInnerIndex) const;
+ void ClearBuffer();
+
+ std::vector<std::unique_ptr<wchar_t, FxFreeDeleter>> m_BlockArray;
+ int32_t m_iDataLength;
+ int32_t m_iBufferSize;
+ int32_t m_iAllocStep;
+ int32_t m_iStartPosition;
+};
+
+#endif // CORE_FXCRT_CFX_BLOCKBUFFER_H_