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-rw-r--r--xfa/fgas/crt/fgas_utils.h737
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_