| // 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_UTILS_H_ |
| #define XFA_FGAS_CRT_FGAS_UTILS_H_ |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| |
| class FX_BASEARRAYDATA; |
| |
| class CFX_BaseArray { |
| protected: |
| CFX_BaseArray(int32_t iGrowSize, int32_t iBlockSize); |
| ~CFX_BaseArray(); |
| |
| int32_t GetSize() const; |
| int32_t GetBlockSize() const; |
| uint8_t* AddSpaceTo(int32_t index); |
| uint8_t* GetAt(int32_t index) const; |
| uint8_t* GetBuffer() const; |
| int32_t Append(const CFX_BaseArray& src, int32_t iStart, int32_t iCount); |
| int32_t Copy(const CFX_BaseArray& src, int32_t iStart, int32_t iCount); |
| int32_t RemoveLast(int32_t iCount); |
| void RemoveAll(bool bLeaveMemory); |
| |
| FX_BASEARRAYDATA* m_pData; |
| }; |
| |
| template <class baseType> |
| class CFX_BaseArrayTemplate : public CFX_BaseArray { |
| public: |
| explicit CFX_BaseArrayTemplate(int32_t iGrowSize) |
| : CFX_BaseArray(iGrowSize, sizeof(baseType)) {} |
| CFX_BaseArrayTemplate(int32_t iGrowSize, int32_t iBlockSize) |
| : CFX_BaseArray(iGrowSize, iBlockSize) {} |
| |
| int32_t GetSize() const { return CFX_BaseArray::GetSize(); } |
| int32_t GetBlockSize() const { return CFX_BaseArray::GetBlockSize(); } |
| baseType* AddSpace() { |
| return (baseType*)CFX_BaseArray::AddSpaceTo(CFX_BaseArray::GetSize()); |
| } |
| int32_t Add(const baseType& element) { |
| int32_t index = CFX_BaseArray::GetSize(); |
| *(baseType*)CFX_BaseArray::AddSpaceTo(index) = element; |
| return index; |
| } |
| baseType* GetBuffer() const { return (baseType*)CFX_BaseArray::GetBuffer(); } |
| baseType& GetAt(int32_t index) const { |
| return *(baseType*)CFX_BaseArray::GetAt(index); |
| } |
| baseType* GetPtrAt(int32_t index) const { |
| return (baseType*)CFX_BaseArray::GetAt(index); |
| } |
| void SetAt(int32_t index, const baseType& element) { |
| *(baseType*)CFX_BaseArray::GetAt(index) = element; |
| } |
| void SetAtGrow(int32_t index, const baseType& element) { |
| *(baseType*)CFX_BaseArray::AddSpaceTo(index) = element; |
| } |
| int32_t Append(const CFX_BaseArrayTemplate& src, |
| int32_t iStart, |
| int32_t iCount) { |
| return CFX_BaseArray::Append(src, iStart, iCount); |
| } |
| int32_t Copy(const CFX_BaseArrayTemplate& src, |
| int32_t iStart, |
| int32_t iCount) { |
| return CFX_BaseArray::Copy(src, iStart, iCount); |
| } |
| int32_t RemoveLast(int32_t iCount) { |
| return CFX_BaseArray::RemoveLast(iCount); |
| } |
| void RemoveAll(bool bLeaveMemory) { CFX_BaseArray::RemoveAll(bLeaveMemory); } |
| }; |
| |
| class CFX_BaseMassArrayImp { |
| public: |
| CFX_BaseMassArrayImp(int32_t iChunkSize, int32_t iBlockSize); |
| ~CFX_BaseMassArrayImp(); |
| |
| uint8_t* AddSpace() { return AddSpaceTo(m_iBlockCount); } |
| uint8_t* AddSpaceTo(int32_t index); |
| uint8_t* GetAt(int32_t index) const; |
| int32_t Append(const CFX_BaseMassArrayImp& src, |
| int32_t iStart, |
| int32_t iCount); |
| int32_t Copy(const CFX_BaseMassArrayImp& src, int32_t iStart, int32_t iCount); |
| int32_t RemoveLast(int32_t iCount); |
| void RemoveAll(bool bLeaveMemory); |
| |
| int32_t m_iChunkSize; |
| int32_t m_iBlockSize; |
| int32_t m_iChunkCount; |
| int32_t m_iBlockCount; |
| CFX_ArrayTemplate<void*>* m_pData; |
| |
| protected: |
| void Append(int32_t iDstStart, |
| const CFX_BaseMassArrayImp& src, |
| int32_t iSrcStart, |
| int32_t iSrcCount); |
| }; |
| |
| class CFX_BaseDiscreteArray { |
| protected: |
| CFX_BaseDiscreteArray(int32_t iChunkSize, int32_t iBlockSize); |
| ~CFX_BaseDiscreteArray(); |
| |
| uint8_t* AddSpaceTo(int32_t index); |
| uint8_t* GetAt(int32_t index) const; |
| void RemoveAll(); |
| void* m_pData; |
| }; |
| |
| template <class baseType> |
| class CFX_DiscreteArrayTemplate : public CFX_BaseDiscreteArray { |
| public: |
| explicit CFX_DiscreteArrayTemplate(int32_t iChunkSize) |
| : CFX_BaseDiscreteArray(iChunkSize, sizeof(baseType)) {} |
| |
| baseType& GetAt(int32_t index, const baseType& defValue) const { |
| baseType* p = (baseType*)CFX_BaseDiscreteArray::GetAt(index); |
| return p ? *p : (baseType&)defValue; |
| } |
| baseType* GetPtrAt(int32_t index) const { |
| return (baseType*)CFX_BaseDiscreteArray::GetAt(index); |
| } |
| void SetAtGrow(int32_t index, const baseType& element) { |
| *(baseType*)CFX_BaseDiscreteArray::AddSpaceTo(index) = element; |
| } |
| void RemoveAll() { CFX_BaseDiscreteArray::RemoveAll(); } |
| }; |
| |
| class CFX_BaseStack { |
| protected: |
| CFX_BaseStack(int32_t iChunkSize, int32_t iBlockSize); |
| ~CFX_BaseStack(); |
| |
| uint8_t* Push(); |
| void Pop(); |
| uint8_t* GetTopElement() const; |
| int32_t GetSize() const; |
| uint8_t* GetAt(int32_t index) const; |
| void RemoveAll(bool bLeaveMemory); |
| CFX_BaseMassArrayImp* m_pData; |
| }; |
| |
| template <class baseType> |
| class CFX_StackTemplate : public CFX_BaseStack { |
| public: |
| explicit CFX_StackTemplate(int32_t iChunkSize) |
| : CFX_BaseStack(iChunkSize, sizeof(baseType)) {} |
| |
| int32_t Push(const baseType& element) { |
| int32_t index = CFX_BaseStack::GetSize(); |
| *(baseType*)CFX_BaseStack::Push() = element; |
| return index; |
| } |
| void Pop() { CFX_BaseStack::Pop(); } |
| baseType* GetTopElement() const { |
| return (baseType*)CFX_BaseStack::GetTopElement(); |
| } |
| int32_t GetSize() const { return CFX_BaseStack::GetSize(); } |
| baseType* GetAt(int32_t index) const { |
| return (baseType*)CFX_BaseStack::GetAt(index); |
| } |
| void RemoveAll(bool bLeaveMemory) { CFX_BaseStack::RemoveAll(bLeaveMemory); } |
| }; |
| |
| #endif // XFA_FGAS_CRT_FGAS_UTILS_H_ |