| // Copyright 2014 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 XFA_FGAS_CRT_FGAS_ALGORITHM_H_ |
| #define XFA_FGAS_CRT_FGAS_ALGORITHM_H_ |
| |
| #include <cstdint> |
| |
| #include "core/fxcrt/include/fx_basic.h" |
| |
| template <class baseType> |
| class CFX_DSPATemplate { |
| public: |
| int32_t Lookup(const baseType& find, const baseType* pArray, int32_t iCount) { |
| ASSERT(pArray); |
| if (iCount < 1) |
| return -1; |
| |
| int32_t iStart = 0, iEnd = iCount - 1, iMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| const baseType& v = pArray[iMid]; |
| if (find == v) |
| return iMid; |
| if (find < v) |
| iEnd = iMid - 1; |
| else |
| iStart = iMid + 1; |
| } while (iStart <= iEnd); |
| return -1; |
| } |
| }; |
| |
| #endif // XFA_FGAS_CRT_FGAS_ALGORITHM_H_ |
