diff options
Diffstat (limited to 'xfa/fgas/crt/fgas_utils.h')
| -rw-r--r-- | xfa/fgas/crt/fgas_utils.h | 737 |
1 files changed, 737 insertions, 0 deletions
diff --git a/xfa/fgas/crt/fgas_utils.h b/xfa/fgas/crt/fgas_utils.h new file mode 100644 index 0000000000..f03e3983fa --- /dev/null +++ b/xfa/fgas/crt/fgas_utils.h @@ -0,0 +1,737 @@ +// 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/include/fxcrt/fx_coordinates.h" +#include "xfa/fgas/crt/fgas_memory.h" + +class FX_BASEARRAYDATA; + +template <class baseType> +class CFX_CPLTree; + +class CFX_BaseArray : public CFX_Target { + 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 = 0, + int32_t iCount = -1); + int32_t Copy(const CFX_BaseArray& src, + int32_t iStart = 0, + int32_t iCount = -1); + int32_t RemoveLast(int32_t iCount = -1); + void RemoveAll(FX_BOOL bLeaveMemory = FALSE); + + FX_BASEARRAYDATA* m_pData; +}; + +template <class baseType> +class CFX_BaseArrayTemplate : public CFX_BaseArray { + public: + CFX_BaseArrayTemplate(int32_t iGrowSize = 100) + : 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 = 0, + int32_t iCount = -1) { + return CFX_BaseArray::Append(src, iStart, iCount); + } + int32_t Copy(const CFX_BaseArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + return CFX_BaseArray::Copy(src, iStart, iCount); + } + int32_t RemoveLast(int32_t iCount = -1) { + return CFX_BaseArray::RemoveLast(iCount); + } + void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { + CFX_BaseArray::RemoveAll(bLeaveMemory); + } +}; +typedef CFX_BaseArrayTemplate<void*> CFDE_PtrArray; +typedef CFX_BaseArrayTemplate<FX_DWORD> CFDE_DWordArray; +typedef CFX_BaseArrayTemplate<FX_WORD> CFDE_WordArray; + +template <class baseType> +class CFX_ObjectBaseArrayTemplate : public CFX_BaseArray { + public: + CFX_ObjectBaseArrayTemplate(int32_t iGrowSize = 100) + : CFX_BaseArray(iGrowSize, sizeof(baseType)) {} + ~CFX_ObjectBaseArrayTemplate() { RemoveAll(FALSE); } + int32_t GetSize() const { return CFX_BaseArray::GetSize(); } + int32_t GetBlockSize() const { return CFX_BaseArray::GetBlockSize(); } + int32_t Add(const baseType& element) { + int32_t index = CFX_BaseArray::GetSize(); + baseType* p = (baseType*)CFX_BaseArray::AddSpaceTo(index); + new ((void*)p) baseType(element); + return index; + } + baseType& GetAt(int32_t index) const { + return *(baseType*)CFX_BaseArray::GetAt(index); + } + baseType* GetPtrAt(int32_t index) const { + return (baseType*)CFX_BaseArray::GetAt(index); + } + int32_t Append(const CFX_ObjectBaseArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + FXSYS_assert(GetBlockSize() == src.GetBlockSize()); + if (iCount == 0) { + return 0; + } + int32_t iSize = src.GetSize(); + FXSYS_assert(iStart > -1 && iStart < iSize); + if (iCount < 0) { + iCount = iSize; + } + if (iStart + iCount > iSize) { + iCount = iSize - iStart; + } + if (iCount < 1) { + return 0; + } + iSize = CFX_BaseArray::GetSize(); + CFX_BaseArray::AddSpaceTo(iSize + iCount - 1); + uint8_t** pStart = CFX_BaseArray::GetAt(iSize); + int32_t iBlockSize = CFX_BaseArray::GetBlockSize(); + iSize = iStart + iCount; + for (int32_t i = iStart; i < iSize; i++) { + FXTARGET_NewWith((void*)pStart) baseType(src.GetAt(i)); + pStart += iBlockSize; + } + return iCount; + } + int32_t Copy(const CFX_ObjectBaseArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + FXSYS_assert(GetBlockSize() == src.GetBlockSize()); + if (iCount == 0) { + return 0; + } + int32_t iSize = src.GetSize(); + FXSYS_assert(iStart > -1 && iStart < iSize); + if (iCount < 0) { + iCount = iSize; + } + if (iStart + iCount > iSize) { + iCount = iSize - iStart; + } + if (iCount < 1) { + return 0; + } + RemoveAll(TRUE); + CFX_BaseArray::AddSpaceTo(iCount - 1); + uint8_t** pStart = CFX_BaseArray::GetAt(0); + int32_t iBlockSize = CFX_BaseArray::GetBlockSize(); + iSize = iStart + iCount; + for (int32_t i = iStart; i < iSize; i++) { + new ((void*)pStart) baseType(src.GetAt(i)); + pStart += iBlockSize; + } + return iCount; + } + int32_t RemoveLast(int32_t iCount = -1) { + int32_t iSize = CFX_BaseArray::GetSize(); + if (iCount < 0 || iCount > iSize) { + iCount = iSize; + } + if (iCount == 0) { + return iSize; + } + for (int32_t i = iSize - iCount; i < iSize; i++) { + ((baseType*)GetPtrAt(i))->~baseType(); + } + return CFX_BaseArray::RemoveLast(iCount); + } + void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { + int32_t iSize = CFX_BaseArray::GetSize(); + for (int32_t i = 0; i < iSize; i++) { + ((baseType*)GetPtrAt(i))->~baseType(); + } + CFX_BaseArray::RemoveAll(bLeaveMemory); + } +}; + +class CFX_BaseMassArrayImp : public CFX_Target { + 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 = 0, + int32_t iCount = -1); + int32_t Copy(const CFX_BaseMassArrayImp& src, + int32_t iStart = 0, + int32_t iCount = -1); + int32_t RemoveLast(int32_t iCount = -1); + void RemoveAll(FX_BOOL bLeaveMemory = FALSE); + int32_t m_iChunkSize; + int32_t m_iBlockSize; + int32_t m_iChunkCount; + int32_t m_iBlockCount; + CFX_PtrArray* m_pData; + + protected: + void Append(int32_t iDstStart, + const CFX_BaseMassArrayImp& src, + int32_t iSrcStart = 0, + int32_t iSrcCount = -1); +}; + +class CFX_BaseMassArray : public CFX_Target { + protected: + CFX_BaseMassArray(int32_t iChunkSize, int32_t iBlockSize); + ~CFX_BaseMassArray(); + int32_t GetSize() const; + uint8_t* AddSpaceTo(int32_t index); + uint8_t* GetAt(int32_t index) const; + int32_t Append(const CFX_BaseMassArray& src, + int32_t iStart = 0, + int32_t iCount = -1); + int32_t Copy(const CFX_BaseMassArray& src, + int32_t iStart = 0, + int32_t iCount = -1); + int32_t RemoveLast(int32_t iCount = -1); + void RemoveAll(FX_BOOL bLeaveMemory = FALSE); + CFX_BaseMassArrayImp* m_pData; +}; + +template <class baseType> +class CFX_MassArrayTemplate : public CFX_BaseMassArray { + public: + CFX_MassArrayTemplate(int32_t iChunkSize = 100) + : CFX_BaseMassArray(iChunkSize, sizeof(baseType)) {} + CFX_MassArrayTemplate(int32_t iChunkSize, int32_t iBlockSize) + : CFX_BaseMassArray(iChunkSize, iBlockSize) {} + int32_t GetSize() const { return CFX_BaseMassArray::GetSize(); } + baseType* AddSpace() { + return (baseType*)CFX_BaseMassArray::AddSpaceTo( + CFX_BaseMassArray::GetSize()); + } + int32_t Add(const baseType& element) { + int32_t index = CFX_BaseMassArray::GetSize(); + *(baseType*)CFX_BaseMassArray::AddSpaceTo(index) = element; + return index; + } + baseType& GetAt(int32_t index) const { + return *(baseType*)CFX_BaseMassArray::GetAt(index); + } + baseType* GetPtrAt(int32_t index) const { + return (baseType*)CFX_BaseMassArray::GetAt(index); + } + void SetAt(int32_t index, const baseType& element) { + *(baseType*)CFX_BaseMassArray::GetAt(index) = element; + } + void SetAtGrow(int32_t index, const baseType& element) { + *(baseType*)CFX_BaseMassArray::AddSpaceTo(index) = element; + } + int32_t Append(const CFX_MassArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + return CFX_BaseMassArray::Append(src, iStart, iCount); + } + int32_t Copy(const CFX_MassArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + return CFX_BaseMassArray::Copy(src, iStart, iCount); + } + int32_t RemoveLast(int32_t iCount = -1) { + return CFX_BaseMassArray::RemoveLast(iCount); + } + void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { + CFX_BaseMassArray::RemoveAll(bLeaveMemory); + } +}; +typedef CFX_MassArrayTemplate<void*> CFX_PtrMassArray; +typedef CFX_MassArrayTemplate<int32_t> CFX_Int32MassArray; +typedef CFX_MassArrayTemplate<FX_DWORD> CFX_DWordMassArray; +typedef CFX_MassArrayTemplate<FX_WORD> CFX_WordMassArray; +typedef CFX_MassArrayTemplate<CFX_Rect> CFX_RectMassArray; +typedef CFX_MassArrayTemplate<CFX_RectF> CFX_RectFMassArray; + +template <class baseType> +class CFX_ObjectMassArrayTemplate : public CFX_BaseMassArray { + public: + CFX_ObjectMassArrayTemplate(int32_t iChunkSize = 100) + : CFX_BaseMassArray(iChunkSize, sizeof(baseType)) {} + ~CFX_ObjectMassArrayTemplate() { RemoveAll(FALSE); } + int32_t GetSize() const { return CFX_BaseMassArray::GetSize(); } + int32_t Add(const baseType& element) { + int32_t index = CFX_BaseMassArray::GetSize(); + baseType* p = (baseType*)CFX_BaseMassArray::AddSpaceTo(index); + new ((void*)p) baseType(element); + return index; + } + baseType& GetAt(int32_t index) const { + return *(baseType*)CFX_BaseMassArray::GetAt(index); + } + baseType* GetPtrAt(int32_t index) const { + return (baseType*)CFX_BaseMassArray::GetAt(index); + } + int32_t Append(const CFX_ObjectMassArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + if (iCount == 0) { + return CFX_BaseMassArray::GetSize(); + } + int32_t iSize = src.GetSize(); + FXSYS_assert(iStart > -1 && iStart < iSize); + if (iCount < 0) { + iCount = iSize; + } + int32_t iEnd = iStart + iCount; + if (iEnd > iSize) { + iEnd = iSize; + } + for (int32_t i = iStart; i < iEnd; i++) { + Add(src.GetAt(i)); + } + return CFX_BaseMassArray::GetSize(); + } + int32_t Copy(const CFX_ObjectMassArrayTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + if (iCount == 0) { + return CFX_BaseMassArray::GetSize(); + } + int32_t iSize = src.GetSize(); + FXSYS_assert(iStart > -1 && iStart < iSize); + if (iCount < 0) { + iCount = iSize; + } + int32_t iEnd = iStart + iCount; + if (iEnd > iSize) { + iEnd = iSize; + } + RemoveAll(TRUE); + for (int32_t i = iStart; i < iEnd; i++) { + Add(src.GetAt(i)); + } + return CFX_BaseMassArray::GetSize(); + } + int32_t RemoveLast(int32_t iCount = -1) { + int32_t iSize = CFX_BaseMassArray::GetSize(); + if (iCount < 0 || iCount > iSize) { + iCount = iSize; + } + if (iCount == 0) { + return iSize; + } + for (int32_t i = iSize - iCount; i < iSize; i++) { + ((baseType*)GetPtrAt(i))->~baseType(); + } + return CFX_BaseMassArray::RemoveLast(iCount); + } + void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { + int32_t iSize = CFX_BaseMassArray::GetSize(); + for (int32_t i = 0; i < iSize; i++) { + ((baseType*)GetPtrAt(i))->~baseType(); + } + CFX_BaseMassArray::RemoveAll(bLeaveMemory); + } +}; + +class CFX_BaseDiscreteArray : public CFX_Target { + 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: + CFX_DiscreteArrayTemplate(int32_t iChunkSize = 100) + : CFX_BaseDiscreteArray(iChunkSize, sizeof(baseType)) {} + baseType& GetAt(int32_t index, const baseType& defValue) const { + baseType* p = (baseType*)CFX_BaseDiscreteArray::GetAt(index); + return p == NULL ? (baseType&)defValue : *p; + } + 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(); } +}; +typedef CFX_DiscreteArrayTemplate<void*> CFX_PtrDiscreteArray; +typedef CFX_DiscreteArrayTemplate<FX_DWORD> CFX_DWordDiscreteArray; +typedef CFX_DiscreteArrayTemplate<FX_WORD> CFX_WordDiscreteArray; + +class CFX_BaseStack : public CFX_Target { + 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(FX_BOOL bLeaveMemory = FALSE); + CFX_BaseMassArrayImp* m_pData; +}; + +template <class baseType> +class CFX_StackTemplate : public CFX_BaseStack { + public: + CFX_StackTemplate(int32_t iChunkSize = 100) + : 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(FX_BOOL bLeaveMemory = FALSE) { + CFX_BaseStack::RemoveAll(bLeaveMemory); + } +}; +typedef CFX_StackTemplate<void*> CFX_PtrStack; +typedef CFX_StackTemplate<FX_DWORD> CFX_DWordStack; +typedef CFX_StackTemplate<FX_WORD> CFX_WordStack; +typedef CFX_StackTemplate<int32_t> CFX_Int32Stack; + +template <class baseType> +class CFX_ObjectStackTemplate : public CFX_BaseStack { + public: + CFX_ObjectStackTemplate(int32_t iChunkSize = 100) + : CFX_BaseStack(iChunkSize, sizeof(baseType)) {} + ~CFX_ObjectStackTemplate() { RemoveAll(); } + int32_t Push(const baseType& element) { + int32_t index = CFX_BaseStack::GetSize(); + baseType* p = (baseType*)CFX_BaseStack::Push(); + new ((void*)p) baseType(element); + return index; + } + void Pop() { + baseType* p = (baseType*)CFX_BaseStack::GetTopElement(); + if (p != NULL) { + p->~baseType(); + } + 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(FX_BOOL bLeaveMemory = FALSE) { + int32_t iSize = CFX_BaseStack::GetSize(); + for (int32_t i = 0; i < iSize; i++) { + ((baseType*)CFX_BaseStack::GetAt(i))->~baseType(); + } + CFX_BaseStack::RemoveAll(bLeaveMemory); + } + int32_t Copy(const CFX_ObjectStackTemplate& src, + int32_t iStart = 0, + int32_t iCount = -1) { + if (iCount == 0) { + return CFX_BaseStack::GetSize(); + } + int32_t iSize = src.GetSize(); + FXSYS_assert(iStart > -1 && iStart < iSize); + if (iCount < 0) { + iCount = iSize; + } + int32_t iEnd = iStart + iCount; + if (iEnd > iSize) { + iEnd = iSize; + } + RemoveAll(TRUE); + for (int32_t i = iStart; i < iEnd; i++) { + Push(*src.GetAt(i)); + } + return CFX_BaseStack::GetSize(); + } +}; + +template <class baseType> +class CFX_CPLTreeNode : public CFX_Target { + public: + typedef CFX_CPLTreeNode<baseType> CPLTreeNode; + CFX_CPLTreeNode() + : m_pParentNode(NULL), + m_pChildNode(NULL), + m_pPrevNode(NULL), + m_pNextNode(NULL), + m_Data() {} + enum TreeNode { + Root = 0, + Parent, + FirstSibling, + PreviousSibling, + NextSibling, + LastSibling, + FirstNeighbor, + PreviousNeighbor, + NextNeighbor, + LastNeighbor, + FirstChild, + LastChild + }; + CPLTreeNode* GetNode(TreeNode eNode) const { + switch (eNode) { + case Root: { + CPLTreeNode* pParent = (CPLTreeNode*)this; + CPLTreeNode* pTemp; + while ((pTemp = pParent->m_pParentNode) != NULL) { + pParent = pTemp; + } + return pParent; + } + case Parent: + return m_pParentNode; + case FirstSibling: { + CPLTreeNode* pNode = (CPLTreeNode*)this; + CPLTreeNode* pTemp; + while ((pTemp = pNode->m_pPrevNode) != NULL) { + pNode = pTemp; + } + return pNode == (CPLTreeNode*)this ? NULL : pNode; + } + case PreviousSibling: + return m_pPrevNode; + case NextSibling: + return m_pNextNode; + case LastSibling: { + CPLTreeNode* pNode = (CPLTreeNode*)this; + CPLTreeNode* pTemp; + while ((pTemp = pNode->m_pNextNode) != NULL) { + pNode = pTemp; + } + return pNode == (CPLTreeNode*)this ? NULL : pNode; + } + case FirstNeighbor: { + CPLTreeNode* pParent = (CPLTreeNode*)this; + CPLTreeNode* pTemp; + while ((pTemp = pParent->m_pParentNode) != NULL) { + pParent = pTemp; + } + return pParent == (CPLTreeNode*)this ? NULL : pParent; + } + case PreviousNeighbor: { + if (m_pPrevNode == NULL) { + return m_pParentNode; + } + CPLTreeNode* pNode = m_pPrevNode; + CPLTreeNode* pTemp; + while ((pTemp = pNode->m_pChildNode) != NULL) { + pNode = pTemp; + while ((pTemp = pNode->m_pNextNode) != NULL) { + pNode = pTemp; + } + } + return pNode; + } + case NextNeighbor: { + if (m_pChildNode != NULL) { + return m_pChildNode; + } + if (m_pNextNode != NULL) { + return m_pNextNode; + } + CPLTreeNode* pNode = m_pParentNode; + while (pNode != NULL) { + if (pNode->m_pNextNode != NULL) { + return pNode->m_pNextNode; + } + pNode = pNode->m_pParentNode; + } + return NULL; + } + case LastNeighbor: { + CPLTreeNode* pNode = (CPLTreeNode*)this; + CPLTreeNode* pTemp; + while ((pTemp = pNode->m_pParentNode) != NULL) { + pNode = pTemp; + } + while (TRUE) { + CPLTreeNode* pTemp; + while ((pTemp = pNode->m_pNextNode) != NULL) { + pNode = pTemp; + } + if (pNode->m_pChildNode == NULL) { + break; + } + pNode = pNode->m_pChildNode; + } + return pNode == (CPLTreeNode*)this ? NULL : pNode; + } + case FirstChild: + return m_pChildNode; + case LastChild: { + if (m_pChildNode == NULL) { + return NULL; + } + CPLTreeNode* pChild = m_pChildNode; + CPLTreeNode* pTemp; + while ((pTemp = pChild->m_pNextNode) != NULL) { + pChild = pTemp; + } + return pChild; + } + default: + break; + } + return NULL; + } + void SetParentNode(CPLTreeNode* pNode) { m_pParentNode = pNode; } + int32_t CountChildNodes() const { + int32_t iCount = 0; + CPLTreeNode* pNode = m_pChildNode; + while (pNode) { + iCount++; + pNode = pNode->m_pNextNode; + } + return iCount; + } + CPLTreeNode* GetChildNode(int32_t iIndex) const { + int32_t iCount = 0; + CPLTreeNode* pNode = m_pChildNode; + while (pNode) { + if (iIndex == iCount) { + return pNode; + } + iCount++; + pNode = pNode->m_pNextNode; + } + return NULL; + } + int32_t GetNodeIndex() const { + int32_t index = 0; + CPLTreeNode* pNode = m_pPrevNode; + while (pNode != NULL) { + index++; + pNode = pNode->m_pPrevNode; + } + return index; + } + FX_BOOL IsParentNode(const CPLTreeNode* pNode) const { + CPLTreeNode* pParent = m_pParentNode; + while (pParent != NULL) { + if (pParent == pNode) { + return TRUE; + } + pParent = pParent->GetTreeNode(Parent); + } + return FALSE; + } + FX_BOOL IsChildNode(const CPLTreeNode* pNode) const { + if (pNode == NULL) { + return FALSE; + } + return pNode->IsParentNode((const CPLTreeNode*)this); + } + void SetChildNode(CPLTreeNode* pNode) { m_pChildNode = pNode; } + void SetPrevNode(CPLTreeNode* pNode) { m_pPrevNode = pNode; } + void SetNextNode(CPLTreeNode* pNode) { m_pNextNode = pNode; } + int32_t GetNodeLevel() const { + int32_t iLevel = 0; + CPLTreeNode* pNode = (CPLTreeNode*)this; + while ((pNode = pNode->m_pParentNode) != NULL) { + iLevel++; + } + return iLevel; + } + bool IsRootNode() const { return !m_pParentNode; } + baseType GetData() const { return m_Data; } + void SetData(baseType data) { m_Data = data; } + + protected: + CPLTreeNode* m_pParentNode; + CPLTreeNode* m_pChildNode; + CPLTreeNode* m_pPrevNode; + CPLTreeNode* m_pNextNode; + baseType m_Data; + friend class CFX_CPLTree<baseType>; +}; + +template <class baseType> +class CFX_CPLTree { + public: + typedef CFX_CPLTreeNode<baseType> CPLTreeNode; + CFX_CPLTree() : m_Root() {} + ~CFX_CPLTree() { + CPLTreeNode* pNode = m_Root.GetNode(CPLTreeNode::LastNeighbor); + while (pNode != NULL) { + if (pNode->IsRootNode()) { + break; + } + CPLTreeNode* pTemp = pNode->GetNode(CPLTreeNode::PreviousNeighbor); + delete pNode; + pNode = pTemp; + } + } + CPLTreeNode* GetRoot() { return &m_Root; } + CPLTreeNode* AddChild(baseType data, CPLTreeNode* pParent = NULL) { + if (pParent == NULL) { + pParent = &m_Root; + } + CPLTreeNode* pChild = new CPLTreeNode; + pChild->SetParentNode(pParent); + pChild->SetData(data); + if (pParent->m_pChildNode == NULL) { + pParent->m_pChildNode = pChild; + } else { + CPLTreeNode* pLast = pParent->GetNode(CPLTreeNode::LastChild); + pChild->SetPrevNode(pLast); + pLast->SetNextNode(pChild); + } + return pChild; + } + + protected: + CPLTreeNode m_Root; +}; + +#endif // XFA_FGAS_CRT_FGAS_UTILS_H_ |