TuDien

#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <Windows.h>
typedef struct tagWord
{
	char Eng[30];
	char Vie[100];
}Word;
typedef struct tagTNode
{
	Word Key;
	struct tagTNode *pLeft;
	struct tagTNode *pRight;
}TNode;
typedef TNode *TREE;
void CreateTree(TREE &T)
{
	T = NULL;
}
TNode *CreateTNode(Word x)
{
	TNode *p;
	p = new TNode;
	if (p != NULL)
	{
		p->Key = x;
		p->pLeft = NULL;
		p->pRight = NULL;
	}
	return p;
}
int insertNode(TREE &T, Word X)
{
	int t;
	if (T)
	{
		t = strcmp(T->Key.Eng, X.Eng);
		if (t == 0)
		{
			strcpy(T->Key.Vie, X.Vie);
			return 0;
		}
		if (t == -1) return insertNode(T->pLeft, X);
		else return insertNode(T->pRight, X);
	}
	T = new TNode;
	if (T == NULL) return -1;
	T->Key = X;
	T->pLeft = T->pRight = NULL;
	return 1;
}
TNode * searchNode(TREE Root, char *x)
{
	TNode *p = Root;
	int t;
	while (p != NULL)
	{
		t = strcmp(x, p->Key.Eng);
		if (t == 0) return p;
		else
		if (t == 1) p = p->pLeft;
		else p = p->pRight;
	}
	return NULL;
}
void XuatTu(Word W)
{
	printf("%s\t:%s\n", W.Eng, W.Vie);
}
void LNR(TREE T)
{
	if (T)
	{
		LNR(T->pLeft);
		XuatTu(T->Key);
		LNR(T->pRight);
	}
}
void WriteData(TREE T, FILE *f)
{
	if (T != NULL)
	{
		WriteData(T->pLeft, f);
		fwrite((char *)&T->Key, sizeof(T->Key), 1, f);
		fflush(f);
		WriteData(T->pRight, f);
	}
}
void Write(TREE T)
{
	FILE *f;
	f = fopen("D:\data.txt", "wb");
	if (f == NULL) return;
	WriteData(T, f);
	fflush(f);
	fclose(f);
}
void ReadMemory(TREE &T)
{
	FILE *f;
	f = fopen("D:\data.txt", "rb");
	Word W;
	while (!feof(f))
	{
		fread((char *)&W, sizeof(W), 1, f);
		insertNode(T, W);
	}
	fclose(f);
}
void ReadFile(TREE &Root, char path[] = "D:/TuDienAV.txt")
{
	FILE *f;
	f = fopen(path, "rt");
	char text[100];
	int i, j, len;
	Word w;
	while (!feof(f))
	{
		fgets(text, 99, f);
		len = strlen(text);
		for (i = 0; i < len; i++)
		{
			w.Eng[i] = text[i];
			if (text[i] == '#')
			{
				w.Eng[i] = '\0';
				break;
			}
		}
		for (j = 0, i = i + 1; i <= len; j++, i++)
		{
			w.Vie[j] = text[i];
		}
		insertNode(Root, w);
	}
}
void Menu()
{
	system("cls");
	puts("TU DIEN ANH VIET");
	puts("\t1. Read File");
	puts("\t2. Update");
	puts("\t3. Search");
	puts("\t4. Write Data");
	puts("\t5. Exit");
	puts("\t\tInput Number: ");
}
void Run(TREE &Root)
{
	int Num;
	TNode *p = NULL;
	char path[50];
	char Eng[30];
	do
	{
		Menu();
		Num = getch();
		switch (Num)
		{
		case '1':
			system("cls");
			puts("\t\t\tComplete!!!");
			ReadFile(Root);
			getch();
			break;

		case '2':
			system("cls");
			fflush(stdin);
			puts("\t\t\tInput Path: ");
			gets(path);
			ReadFile(Root, path);
			puts("\t\t\tComplete!!!");
			getch();
			break;

		case '3':
			system("cls");
			puts("\t\t\tInput: ");
			fflush(stdin);
			gets(Eng);
			p = searchNode(Root, Eng);
			if (p == NULL)
			{
				puts("Error");
			}
			else
			{
				XuatTu(p->Key);
			}
			getch();
			break;

		case '4':
			system("cls");
			Write(Root);
			puts("\t\t\tComplete!!!");
			getch();
			break;
		}
	} while (Num != '5');
}
void main()
{
	TREE Root;
	CreateTree(Root);
	Run(Root);
}