huffmantree.c

哈夫曼编码解码以及文档资料和Makefile文件。

#include "head.h"
#include "struct.h"
#include "declare.h"

int main(void)
{
	int choice;
	char name[20];
	ElemType e = {'\0',0};
	CharArr c;
	int i,ret;
	HuffmanTree ht;
	HuffmanCode hc;
	
	for(i=0;i<MAXSIZE;i++)//初始化结构体数组
	{
		c.e[i]=e;
		c.size=0;
	}
	
	while(choice!=0)
	{
		printf("\n\t\t\tHuffmanCoding\n\n\n");
		printf("\t\t1. Load From File\n\n");
		printf("\t\t2. Encode\n\n");
		printf("\t\t3. Decode\n\n");
		printf("\t\t4. Input From Keyboard\n\n");
		printf("\t\t0. Exit\n");
		printf("Please choice:");
		scanf("%d",&choice);
		switch(choice)
		{
			case 1:{
						printf("input the file name:");//输入文件名
						scanf("%s",name);

						ret = readfile(name,&c);//打开文件，统计字符种类及其个数
						if(ret)//失败处理
						printf("readfile error\t%d\n",ret);

						#if 1		
							for(i=0;i<c.size;i++)//输出
							{
								printf("%d\t%c\t%d\tAscII=%d\t%xH\n",i, c.e[i].c, c.e[i].w, c.e[i].c, c.e[i].c);
							}
						#endif
						
						break;
					}
			case 2: {
						ht=HuffmanCoding(ht,hc,&c);
						ret=HuffmanFile(hc,name,&c);//编码输出
						if(ret)//失败处理
						printf("HuffmanFile error\t%d\n",ret);
						printf("Coding Finished!");
						break;
					 }
			case 3: {
						strcpy(name,"codefile");
						ret=HuffmanUncoding(ht,name,&c);//译码
						if(ret)//失败处理
						printf("HuffmanUncoding error\t%d\n",ret);
						printf("Decoding Finished!");
						break;
					 }
			case 4:{
						Input(&c);
						break;
					}
			case 0:  break;
			default: {
						printf("Input wrong!"); 
						break;
					}
		}
	}
	return 0;
}