use std unordered map instead of custom avl tree

vnr/vnrhook/CMakeLists.txt

@@ -39,7 +39,6 @@ set(vnrhook_src
   src/engine/ppsspp/funcinfo.h
   src/hijack/texthook.cc
   src/hijack/texthook.h
-  src/tree/avl.h
   src/util/growl.h
   src/util/util.cc
   src/util/util.h

vnr/vnrhook/src/hijack/texthook.h

@@ -7,8 +7,8 @@
 // 8/24/2013 TODO:
 // - Clean up this file
 // - Reduce global variables. Use namespaces or singleton classes instead.
-
+#include <string>
-#include "src/tree/avl.h"
+#include <unordered_map>
 #include "include/types.h"
 #include <windows.h>
 
@@ -29,18 +29,13 @@ extern DWORD trigger;
 extern DWORD processStartAddress,
              processStopAddress;
 
-template <class T, class D, class fComp, class fCopy, class fLength>
-class AVLTree;
 struct FunctionInfo {
   DWORD addr;
   DWORD module;
   DWORD size;
   LPWSTR name;
 };
-struct SCMP;
+extern std::unordered_map<std::string, FunctionInfo> functionInfoByName;
-struct SCPY;
-struct SLEN;
-extern AVLTree<char, FunctionInfo, SCMP, SCPY, SLEN> *tree;
 
 void InitFilterTable();
 

vnr/vnrhook/src/main.cc

@@ -9,7 +9,6 @@
 #endif // _MSC_VER
 
 #include "src/main.h"
-#include "src/tree/avl.h"
 #include "src/engine/match.h"
 #include "src/hijack/texthook.h"
 #include "src/util/growl.h"
@@ -55,7 +54,7 @@ HMODULE currentModule;
 extern DWORD enter_count;
 //extern LPWSTR current_dir;
 extern DWORD engine_type;
-AVLTree<char, FunctionInfo, SCMP, SCPY, SLEN> *tree;
+std::unordered_map<std::string, FunctionInfo> functionInfoByName;
 
 namespace { // unnamed
 
@@ -80,7 +79,7 @@ void AddModule(DWORD hModule, DWORD size, LPWSTR name)
         WORD word = *(WORD *)pcFuncPtr;
         pcFuncPtr = (char *)(hModule + (DWORD)ExtDir->AddressOfFunctions+(word * sizeof(DWORD)));
         info.addr = hModule + *(DWORD *)pcFuncPtr;
-        ::tree->Insert(pcBuffer, info);
+		::functionInfoByName[std::string(pcBuffer)] = info;
         dwExportAddr += sizeof(DWORD);
       }
     }
@@ -109,16 +108,13 @@ void AddAllModules()
 
 DWORD GetFunctionAddr(const char *name, DWORD *addr, DWORD *base, DWORD *size, LPWSTR *base_name)
 {
-  TreeNode<char *,FunctionInfo> *node = ::tree->Search(name);
+	if (::functionInfoByName.find(std::string(name)) == ::functionInfoByName.end())
-  if (node) {
-    if (addr) *addr = node->data.addr;
-    if (base) *base = node->data.module;
-    if (size) *size = node->data.size;
-    if (base_name) *base_name = node->data.name;
-    return TRUE;
-  }
-  else
 		return FALSE;
+	FunctionInfo functionInfo = ::functionInfoByName[std::string(name)];
+	if (addr) *addr = functionInfo.addr;
+	if (base) *base = functionInfo.module;
+	if (size) *size = functionInfo.size;
+	return TRUE;
 }
 
 BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID unused)
@@ -162,9 +158,7 @@ BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID unused)
 
       ::running = true;
       ::current_available = ::hookman;
-      ::tree = new AVLTree<char, FunctionInfo, SCMP, SCPY, SLEN>;
       AddAllModules();
-      InitFilterTable();
 	  ::currentModule = hModule;
 
       pipeThread = CreateRemoteThread(GetCurrentProcess(), nullptr, 0, PipeManager, 0, 0, nullptr);
@@ -200,8 +194,6 @@ BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID unused)
 
       CloseHandle(hSection);
       CloseHandle(hMutex);
-
-      delete ::tree;
       CloseHandle(hmMutex);
       //} ITH_EXCEPT {}
     } break;

vnr/vnrhook/src/tree/avl.h

@@ -1,589 +0,0 @@
-#pragma once
-
-// avl.h
-// 8/23/2013 jichi
-// Branch: ITH/AVL.h, rev 133
-// 8/24/2013 TODO: Clean up this file
-#include <cstring>
-
-enum { STACK_SIZE = 32 };
-
-//#ifndef ITH_STACK
-//#define ITH_STACK
-
-template<class T, int stack_size>
-class MyStack
-{
-  int index;
-  T s[stack_size];
-
-public:
-  MyStack(): index(0)
-  { ::memset(s, 0, sizeof(s)); } // jichi 9/21/2013: assume T is atomic type
-
-  T &back() { return s[index-1]; }
-  int size() { return index; }
-
-  void push_back(const T &e)
-  {
-    if (index < stack_size)
-      s[index++]=e;
-  }
-
-  void pop_back() { index--; }
-
-  T &operator[](int i) { return s[i]; }
-};
-//#endif // ITH_STACK
-
-// jichi 9/22/2013: T must be a pointer type which can be deleted
-template <class T, class D>
-struct TreeNode
-{
-  //typedef TreeNode<T, D> Self;
-  TreeNode() :
-    Left(nullptr), Right(nullptr), Parent(nullptr)
-    , rank(1)
-    , factor('\0'), reserve('\0')
-    //, key()
-    //, data()
-  {
-    ::memset(&key, 0, sizeof(key)); // jichi 9/26/2013: zero memory
-    ::memset(&data, 0, sizeof(data)); // jichi 9/26/2013: zero memory
-  }
-
-  TreeNode(const T &k, const D &d) :
-    Left(nullptr), Right(nullptr), Parent(nullptr)
-    , rank(1)
-    , factor('\0'), reserve('\0')   // jichi 9/21/2013: zero reserve
-    , key(k)
-    , data(d)
-  {}
-
-  TreeNode *Successor()
-  {
-    TreeNode *Node,
-             *ParentNode;
-    Node = Right;
-    if (!Node) {
-      Node = this;
-      for (;;) {
-        ParentNode = Node->Parent;
-        if (!ParentNode)
-          return nullptr;
-        if (ParentNode->Left == Node)
-          break;
-        Node = ParentNode;
-      }
-      return ParentNode;
-    }
-    else
-      while (Node->Left)
-        Node = Node->Left;
-    return Node;
-  }
-  TreeNode *Predecessor()
-  {
-    TreeNode *Node,
-             *ParentNode;
-    Node = Left;
-    if (!Node) {
-      Node = this;
-      for(;;) {
-        ParentNode = Node->Parent;
-        if (!ParentNode)
-          return nullptr;
-        if (ParentNode->Right == Node)
-          break;
-        Node = ParentNode;
-      }
-      return ParentNode;
-    }
-    else
-      while (Node->Right)
-        Node = Node->Right;
-    return Node;
-  }
-  int height()
-  {
-    if (!this) // jichi 9/26/2013: what?!
-      return 0;
-    int l = Left->height(),
-        r = Right->height(),
-        f = factor;
-    if (l - r + f != 0)
-      __debugbreak();
-    f = l > r ? l : r;
-    return f + 1;
-  }
-  TreeNode *Left,
-           *Right,
-           *Parent;
-  unsigned short rank;
-  char factor,
-       reserve;
-  T key;
-  D data;
-};
-
-template<class T,class D>
-struct NodePath
-{
-  NodePath() { ::memset(this, 0, sizeof(NodePath)); } // jichi 11/30/2013: This is the original code in ITH
-  NodePath(TreeNode<T,D> *n, int f): Node(n), fact(f) {}
-  TreeNode<T,D> *Node;
-  union { char factor; int fact; };
-};
-
-template <class T, class D, class fComp, class fCopy, class fLength>
-class AVLTree
-{
-  fComp fCmp;
-  fCopy fCpy;
-  fLength fLen;
-
-protected:
-  TreeNode<T*, D> head;
-
-public:
-  // - Construction -
-  AVLTree() {}
-
-  virtual ~AVLTree() { DeleteAll(); }
-
-  // - Properties -
-
-  TreeNode<T*, D> *TreeRoot() const { return head.Left; }
-
-  // - Actions -
-
-  void DeleteAll()
-  {
-    while (head.Left)
-      DeleteRoot();
-  }
-
-  TreeNode<T*, D> *Insert(const T *key, const D &data)
-  {
-    if (head.Left) {
-      MyStack<TreeNode<T*, D> *,STACK_SIZE> path;
-      TreeNode<T*,D> *DownNode, *ParentNode, *BalanceNode, *TryNode, *NewNode; //P,T,S,Q
-      ParentNode = &head;
-      path.push_back(ParentNode);
-      char factor,f;
-      BalanceNode = DownNode = head.Left;
-      for (;;) { //The first part of AVL tree insert. Just do as binary tree insert routine and record some nodes.
-        factor = fCmp(key,DownNode->key);
-        if (factor == 0)
-          return DownNode; //Duplicate key. Return and do nothing.
-        TryNode = _FactorLink(DownNode, factor);
-        if (factor == -1)
-          path.push_back(DownNode);
-        if (TryNode) { //DownNode has a child.
-          if (TryNode->factor != 0) { //Keep track of unbalance node and its parent.
-            ParentNode = DownNode;
-            BalanceNode = TryNode;
-          }
-          DownNode = TryNode;
-        }
-        else
-          break; //Finished binary tree search;
-      }
-      while (path.size()) {
-        path.back()->rank++;
-        path.pop_back();
-      }
-      size_t sz = fLen(key) + 1;
-      T *new_key = new T[sz];
-      ::memset(new_key, 0, sz * sizeof(T)); // jichi 9/26/2013: Zero memory
-      fCpy(new_key, key);
-      TryNode = new TreeNode<T*, D>(new_key, data);
-      _FactorLink(DownNode, factor) = TryNode;
-      TryNode->Parent = DownNode;
-      NewNode = TryNode;
-      //Finished binary tree insert. Next to do is to modify balance factors between
-      //BalanceNode and the new node.
-      TreeNode<T*, D> *ModifyNode;
-      factor = fCmp(key, BalanceNode->key);
-      //factor=key<BalanceNode->key ? factor=-1:1; //Determine the balance factor at BalanceNode.
-      ModifyNode = DownNode = _FactorLink(BalanceNode,factor);
-      //ModifyNode will be the 1st child.
-      //DownNode will travel from here to the recent inserted node (TryNode).
-      while (DownNode != TryNode) { //Check if we reach the bottom.
-        f = fCmp(key,DownNode->key);
-        //f=_FactorCompare(key,DownNode->key);
-        DownNode->factor = f;
-        DownNode = _FactorLink(DownNode, f);//Modify balance factor and travels down.
-      }
-      //Finshed modifying balance factor.
-      //Next to do is check the tree if it's unbalance and recover balance.
-      if (BalanceNode->factor == 0) { //Tree has grown higher.
-        BalanceNode->factor = factor;
-        _IncreaseHeight(); //Modify balance factor and increase the height.
-        return NewNode;
-      }
-      if (BalanceNode->factor + factor == 0) { //Tree has gotten more balanced.
-        BalanceNode->factor = 0; //Set balance factor to 0.
-        return NewNode;
-      }
-      //Tree has gotten out of balance.
-      if (ModifyNode->factor == factor) //A node and its child has same factor. Single rotation.
-        DownNode = _SingleRotation(BalanceNode, ModifyNode, factor);
-      else //A node and its child has converse factor. Double rotation.
-        DownNode = _DoubleRotation(BalanceNode, ModifyNode, factor);
-      //Finished the balancing work. Set child field to the root of the new child tree.
-      if (BalanceNode == ParentNode->Left)
-        ParentNode->Left = DownNode;
-      else
-        ParentNode->Right = DownNode;
-      return NewNode;
-    }
-    else { //root null?
-      size_t sz = fLen(key) + 1;
-      T *new_key = new T[sz];
-      ::memset(new_key, 0, sz * sizeof(T)); // jichi 9/26/2013: Zero memory
-      fCpy(new_key, key);
-      head.Left = new TreeNode<T *, D>(new_key, data);
-      head.rank++;
-      _IncreaseHeight();
-      return head.Left;
-    }
-  }
-  bool Delete(T *key)
-  {
-    NodePath<T*,D> PathNode;
-    MyStack<NodePath<T*,D>,STACK_SIZE> path; //Use to record a path to the destination node.
-    path.push_back(NodePath<T*,D>(&head,-1));
-    TreeNode<T*,D> *TryNode,*ChildNode,*BalanceNode,*SuccNode;
-    TryNode=head.Left;
-    char factor;
-    for (;;) { //Search for the
-      if (TryNode == 0)
-        return false; //Not found.
-      factor = fCmp(key, TryNode->key);
-      if (factor == 0)
-        break; //Key found, continue to delete.
-      //factor = _FactorCompare( key, TryNode->key );
-      path.push_back(NodePath<T*,D>(TryNode,factor));
-      TryNode = _FactorLink(TryNode,factor); //Move to left.
-    }
-    SuccNode = TryNode->Right; //Find a successor.
-    factor = 1;
-    if (SuccNode == 0) {
-      SuccNode = TryNode->Left;
-      factor = -1;
-    }
-    path.push_back(NodePath<T*,D>(TryNode,factor));
-    while (SuccNode) {
-      path.push_back(NodePath<T*,D>(SuccNode, -factor));
-      SuccNode = _FactorLink(SuccNode,-factor);
-    }
-    PathNode = path.back();
-    delete[] TryNode->key; // jichi 9/22/2013: key is supposed to be an array
-    TryNode->key = PathNode.Node->key; //Replace key and data field with the successor or predecessor.
-    PathNode.Node->key = nullptr;
-    TryNode->data = PathNode.Node->data;
-    path.pop_back();
-    _FactorLink(path.back().Node,path.back().factor) = _FactorLink(PathNode.Node,-PathNode.factor);
-    delete PathNode.Node; //Remove the successor from the tree and release memory.
-    PathNode = path.back();
-    for (int i=0; i<path.size(); i++)
-      if (path[i].factor==-1)
-        path[i].Node->rank--;
-    for (;;) { //Rebalance the tree along the path back to the root.
-      if (path.size()==1) {
-        _DecreaseHeight();
-        break;
-      }
-      BalanceNode = PathNode.Node;
-      if (BalanceNode->factor == 0) { // A balance node, just need to adjust the factor. Don't have to recurve since subtree height stays.
-        BalanceNode->factor=-PathNode.factor;
-        break;
-      }
-      if (BalanceNode->factor == PathNode.factor) { // Node get more balance. Subtree height decrease, need to recurve.
-        BalanceNode->factor = 0;
-        path.pop_back();
-        PathNode = path.back();
-        continue;
-      }
-      //Node get out of balance. Here raises 3 cases.
-      ChildNode = _FactorLink(BalanceNode, -PathNode.factor);
-      if (ChildNode->factor == 0) { // New case different to insert operation.
-        TryNode = _SingleRotation2( BalanceNode, ChildNode, BalanceNode->factor );
-        path.pop_back();
-        PathNode = path.back();
-        _FactorLink(PathNode.Node, PathNode.factor) = TryNode;
-        break;
-      }
-      else {
-        if (ChildNode->factor == BalanceNode->factor) // Analogous to insert operation case 1.
-          TryNode = _SingleRotation( BalanceNode, ChildNode, BalanceNode->factor );
-        else if (ChildNode->factor + BalanceNode->factor == 0) // Analogous to insert operation case 2.
-          TryNode = _DoubleRotation( BalanceNode, ChildNode, BalanceNode->factor );
-      }
-      path.pop_back(); //Recurse back along the path.
-      PathNode = path.back();
-      _FactorLink(PathNode.Node, PathNode.factor) = TryNode;
-    }
-    return true;
-  }
-
-  D &operator [](T *key)
-  { return (Insert(key,D())->data); }
-
-  TreeNode<T*,D> *Search(const T *key)
-  {
-    TreeNode<T*,D> *Find=head.Left;
-    char k;
-    while (Find != 0) {//&&Find->key!=key)
-      k=fCmp(key, Find->key);
-      if (k==0) break;
-      Find = _FactorLink(Find, k);
-    }
-    return Find;
-  }
-
-  TreeNode<T*,D> *SearchIndex(unsigned int rank)
-  {
-    unsigned int r = head.rank;
-    if (rank == -1)
-      return 0;
-    if (++rank>=r)
-      return 0;
-    TreeNode<T*,D> *n=&head;
-    while (r!=rank) {
-      if (rank>r) {
-        n=n->Right;
-        rank-=r;
-        r=n->rank;
-      } else {
-        n=n->Left;
-        r=n->rank;
-      }
-    }
-    return n;
-  }
-
-  TreeNode<T*,D> *Begin()
-  {
-    TreeNode<T*,D> *Node = head.Left;
-    if (Node)
-      while (Node->Left) Node = Node->Left;
-    return Node;
-  }
-
-  TreeNode<T*,D> *End()
-  {
-    TreeNode<T*,D> *Node=head.Left;
-    if (Node)
-      while (Node->Right) Node = Node->Right;
-    return Node;
-  }
-  unsigned int Count() const { return head.rank - 1; }
-
-  template <class Fn>
-  Fn TraverseTree(Fn &f)
-  { return TraverseTreeNode(head.Left,f); }
-
-protected:
-  bool DeleteRoot()
-  {
-    NodePath<T*,D> PathNode;
-    MyStack<NodePath<T*,D>,STACK_SIZE> path; //Use to record a path to the destination node.
-    path.push_back(NodePath<T*,D>(&head,-1));
-    TreeNode<T*,D> *TryNode,*ChildNode,*BalanceNode,*SuccNode;
-    TryNode=head.Left;
-    char factor;
-    SuccNode=TryNode->Right; //Find a successor.
-    factor=1;
-    if (SuccNode==0)
-    {
-      SuccNode=TryNode->Left;
-      factor=-1;
-    }
-    path.push_back(NodePath<T*,D>(TryNode,factor));
-    while (SuccNode) {
-      path.push_back(NodePath<T*,D>(SuccNode,-factor));
-      SuccNode=_FactorLink(SuccNode,-factor);
-    }
-    PathNode=path.back();
-    delete[] TryNode->key; // jichi 9/22/2013: key is supposed to be an array
-    TryNode->key=PathNode.Node->key; //Replace key and data field with the successor.
-    PathNode.Node->key = nullptr;
-    TryNode->data=PathNode.Node->data;
-    path.pop_back();
-    _FactorLink(path.back().Node,path.back().factor) = _FactorLink(PathNode.Node,-PathNode.factor);
-    delete PathNode.Node; //Remove the successor from the tree and release memory.
-    PathNode=path.back();
-    for (int i=0;i<path.size();i++)
-      if (path[i].factor==-1)
-        path[i].Node->rank--;
-    for (;;) { //Rebalance the tree along the path back to the root.
-      if (path.size() == 1) {
-        _DecreaseHeight();
-        break;
-      }
-
-      BalanceNode = PathNode.Node;
-      if (BalanceNode->factor == 0) { // A balance node, just need to adjust the factor. Don't have to recurse since subtree height not changed.
-        BalanceNode->factor=-PathNode.factor;
-        break;
-      }
-      if (BalanceNode->factor==PathNode.factor) { // Node get more balance. Subtree height decrease, need to recurse.
-        BalanceNode->factor=0;
-        path.pop_back();
-        PathNode=path.back();
-        continue;
-      }
-      //Node get out of balance. Here raises 3 cases.
-      ChildNode = _FactorLink(BalanceNode, -PathNode.factor);
-      if (ChildNode->factor == 0) { // New case different to insert operation.
-        TryNode = _SingleRotation2( BalanceNode, ChildNode, BalanceNode->factor );
-        path.pop_back();
-        PathNode=path.back();
-        _FactorLink(PathNode.Node, PathNode.factor) = TryNode;
-        break;
-      } else {
-        if (ChildNode->factor == BalanceNode->factor) // Analogous to insert operation case 1.
-          TryNode = _SingleRotation( BalanceNode, ChildNode, BalanceNode->factor );
-        else if (ChildNode->factor + BalanceNode->factor == 0) // Analogous to insert operation case 2.
-          TryNode = _DoubleRotation( BalanceNode, ChildNode, BalanceNode->factor );
-      }
-      path.pop_back(); // Recurve back along the path.
-      PathNode=path.back();
-      _FactorLink(PathNode.Node, PathNode.factor) = TryNode;
-    }
-    return true;
-  }
-  template <class Fn>
-  Fn TraverseTreeNode(TreeNode<T*,D> *Node, Fn &f)
-  {
-    if (Node) {
-      if (Node->Left)
-        TraverseTreeNode(Node->Left,f);
-      f(Node);
-      if (Node->Right)
-        TraverseTreeNode(Node->Right,f);
-    }
-    return f;
-  }
-  TreeNode<T*,D> *_SingleRotation(TreeNode<T*,D> *BalanceNode, TreeNode<T*,D> *ModifyNode, char factor)
-  {
-    TreeNode<T*,D> *Node = _FactorLink(ModifyNode, -factor);
-    _FactorLink(BalanceNode, factor) = Node;
-    _FactorLink(ModifyNode, -factor) = BalanceNode;
-    if (Node)
-      Node->Parent = BalanceNode;
-    ModifyNode->Parent = BalanceNode->Parent;
-    BalanceNode->Parent = ModifyNode;
-    BalanceNode->factor = ModifyNode->factor = 0; //After single rotation, set all factor of 3 node to 0.
-    if (factor == 1)
-      ModifyNode->rank += BalanceNode->rank;
-    else
-      BalanceNode->rank -= ModifyNode->rank;
-    return ModifyNode;
-  }
-  TreeNode<T*,D> *_SingleRotation2(TreeNode<T*,D> *BalanceNode, TreeNode<T*,D> *ModifyNode, char factor)
-  {
-    TreeNode<T*,D> *Node = _FactorLink(ModifyNode, -factor);
-    _FactorLink(BalanceNode, factor) = Node;
-    _FactorLink(ModifyNode, -factor) = BalanceNode;
-    if (Node) Node->Parent = BalanceNode;
-    ModifyNode->Parent = BalanceNode->Parent;
-    BalanceNode->Parent = ModifyNode;
-    ModifyNode->factor = -factor;
-    if (factor == 1)
-      ModifyNode->rank+=BalanceNode->rank;
-    else
-      BalanceNode->rank-=ModifyNode->rank;
-    return ModifyNode;
-  }
-  TreeNode<T*,D> *_DoubleRotation(TreeNode<T*,D> *BalanceNode, TreeNode<T*,D> *ModifyNode, char factor)
-  {
-    TreeNode<T*,D> *DownNode = _FactorLink(ModifyNode, -factor);
-    TreeNode<T*,D> *Node1, *Node2;
-    Node1 = _FactorLink(DownNode, factor);
-    Node2 = _FactorLink(DownNode, -factor);
-    _FactorLink(ModifyNode, -factor) = Node1;
-    _FactorLink(DownNode, factor) = ModifyNode;
-    _FactorLink(BalanceNode, factor) = Node2;
-    _FactorLink(DownNode, -factor) = BalanceNode;
-    if (Node1)
-      Node1->Parent = ModifyNode;
-    if (Node2)
-      Node2->Parent = BalanceNode;
-    DownNode->Parent = BalanceNode->Parent;
-    BalanceNode->Parent = DownNode;
-    ModifyNode->Parent = DownNode;
-    //Set factor according to the result.
-    if (DownNode->factor == factor) {
-      BalanceNode->factor = -factor;
-      ModifyNode->factor = 0;
-    } else if (DownNode->factor == 0)
-      BalanceNode->factor = ModifyNode->factor = 0;
-    else {
-      BalanceNode->factor = 0;
-      ModifyNode->factor = factor;
-    }
-    DownNode->factor = 0;
-    if (factor==1) {
-      ModifyNode->rank -= DownNode->rank;
-      DownNode->rank += BalanceNode->rank;
-    } else {
-      DownNode->rank += ModifyNode->rank;
-      BalanceNode->rank -= DownNode->rank;
-    }
-    return DownNode;
-  }
-
-  TreeNode<T*,D>* &__fastcall _FactorLink(TreeNode<T*,D> *Node, char factor)
-    //Private helper method to retrieve child according to factor.
-    //Return right child if factor>0 and left child otherwise.
-  { return factor>0? Node->Right : Node->Left; }
-
-  void Check()
-  {
-    unsigned int k = (unsigned int)head.Right;
-    unsigned int t = head.Left->height();
-    if (k != t)
-      __debugbreak();
-  }
-
-  void _IncreaseHeight()
-  {
-    unsigned int k = (unsigned int)head.Right;
-    head.Right = (TreeNode<T*,D>*)++k;
-  }
-
-  void _DecreaseHeight()
-  {
-    unsigned int k = (unsigned int)head.Right;
-    head.Right = (TreeNode<T*,D>*)--k;
-  }
-};
-
-struct SCMP
-{
-  char operator()(const char *s1,const char *s2)
-  {
-    int t = _stricmp(s1, s2);
-    return t == 0 ? 0 : t > 0 ? 1 :-1;
-  }
-};
-
-struct SCPY { char *operator()(char *dest, const char *src) { return strcpy(dest, src); } };
-struct SLEN { int operator()(const char *str) { return strlen(str); } };
-
-struct WCMP
-{
-  char operator()(const wchar_t *s1,const wchar_t *s2)
-  {
-    int t =_wcsicmp(s1, s2);
-    return t == 0 ? 0 : t > 0 ? 1 : -1;
-  }
-};
-
-struct WCPY { wchar_t *operator()(wchar_t *dest, const wchar_t *src) { return wcscpy(dest,src); } };
-struct WLEN { int operator()(const wchar_t *str) { return wcslen(str); } };
-
-// EOF