menuchoose.cpp

一个关于赫夫曼编码与译码的展示程序

#include"Huffmanhead.h"
extern *w;
extern weight[MAX],WeightTemp[123];
extern char CodeTemp[MAX];
extern char ShuruName[MAX],ShuruStr[MAX],HC[MAX][MAX];
extern HuffmanTree HT[MAX];
int n,ITure=0;//ITure用于判断是否已经进行初始化，n用于存放字符数
void MenuChoose()
{
	printf("\n");
	printf("Menu=");	
	char choosechar;
	w=weight;
	choosechar=getchar();
	printf("\n");
	do{
		switch(choosechar)
		{
			case 'i':
				if(ITure==0)
				{
					fflush(stdin);//清除残留在内存中的回车符					
					n=ShuruString(ShuruStr)-1;
					HuffmanTreeBulid(HT,w,n);
					ITure=1;
					HuffmanCoding(HT,CodeTemp,n);
					PrintHuffmanCode(n);
					fflush(stdin);//清除残留在内存中的回车符
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");				
				}
				else
				{
					printf("The coding is OK now,if you want to reset,please choose‘R’to reset!\n\n");
				}
					break;
			case 'I':
				if(ITure==0)
				{
					fflush(stdin);//清除残留在内存中的回车符
					n=ShuruString(ShuruStr)-1;
					HuffmanTreeBulid(HT,w,n);
					ITure=1;
					HuffmanCoding(HT,CodeTemp,n);
					PrintHuffmanCode(n);
					fflush(stdin);//清除残留在内存中的回车符
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				}
				else
				{
					printf("The coding is OK now,if you want to reset,please choose‘R’to reset!\n\n");
				}
					break;
			case 'c':
				if(ITure==1)
				{
					fflush(stdin);//清除残留在内存中的回车符
					printf("Please input the code which you want to coding:\n\n");
					printf("NewShuruStr=");
					gets(ShuruStr);
					fflush(stdin);//清除残留在内存中的回车符
					PrintHuffmanCode(n);
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				}
				else
				{
					printf("You havn't input the code to initialize the application!Please input initialize first:\n\n");
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
					fflush(stdin);//清除残留在内存中的回车符
					MenuChoose();
				}
				break;
			case 'C':
				if(ITure==1)
				{
					fflush(stdin);//清除残留在内存中的回车符
					printf("Please input the code which you want to coding:\n\n");
					printf("NewShuruStr=");
					gets(ShuruStr);
					fflush(stdin);//清除残留在内存中的回车符
					PrintHuffmanCode(n);
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				}
				else
				{
					printf("You havn't input the code to initialize the application!Please input initialize first:\n\n");
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
					fflush(stdin);//清除残留在内存中的回车符
					MenuChoose();
				}
				break;
			case 'd':
				if(ITure==1)
				{
					fflush(stdin);//清除残留在内存中的回车符
					DecryptCoding(ShuruName,HT,n);
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				}
				else
				{
					printf("You havn't input the coding to initialize the application!Please input initialize first:\n\n");
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
					fflush(stdin);//清除残留在内存中的回车符
					MenuChoose();
				}
				break;
			case 'D':
				if(ITure==1)
				{
					fflush(stdin);//清除残留在内存中的回车符
					DecryptCoding(ShuruName,HT,n);
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				}
				else
				{
					printf("You havn't input the coding to initialize the application!Please input initialize first:\n\n");
					printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
					fflush(stdin);//清除残留在内存中的回车符
					MenuChoose();
				}
				break;
			case 'r':
				fflush(stdin);//清除残留在内存中的回车符
				ITure=ResetAll();
				printf("Reset ok now!\n\n");
				break;
			case 'R':
				fflush(stdin);//清除残留在内存中的回车符
				ITure=ResetAll();
				printf("Reset ok now!\n\n");
				break;
			case 's':
				fflush(stdin);//清除残留在内存中的回车符
				printf("This application is designed by alphalwei,and the GuideTeacher is WangMingLi!\n\n");
				printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				break;
			case 'S':
				fflush(stdin);//清除残留在内存中的回车符
				printf("This application is designed by alphalwei,and the GuideTeacher is WangMingLi!\n\n");
				printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				break;
			case 'e':
				exit(0);
				break;
			case 'E':
				exit(0);
				break;
			default:
				printf("You are input a wrong parameter,please choose again:\n\n");
				printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n");
				fflush(stdin);//清除残留在内存中的回车符
				MenuChoose();
			}
		printf("Please choose again:\n");
		fflush(stdin);
		MenuChoose();
	}while(choosechar!='e'&&choosechar!='E');
}