听了国嵌唐老师的课,用C语言实现如下:
SeqQueue.h
#ifndef _SEQQUEUE_H_
#define _SEQQUEUE_H_
typedef void SeqQueue;
SeqQueue* SeqQueue_Create(int capacity);
void SeqQueue_Destroy(SeqQueue* queue);
void SeqQueue_Clear(SeqQueue* queue);
int SeqQueue_Append(SeqQueue* queue,void* item);
void* SeqQueue_Retrieve(SeqQueue* queue);
void* SeqQueue_Header(SeqQueue* queue);
int SeqQueue_Length(SeqQueue* queue);
int SeqQueue_Capacity(SeqQueue* queue);
#endif
SeqQueue.c
#include "SeqList.h"
#include "SeqQueue.h"
SeqQueue* SeqQueue_Create(int capacity)
{
return SeqList_Create(capacity);
}
void SeqQueue_Destroy(SeqQueue* queue)
{
SeqList_Destory(queue);
}
void SeqQueue_Clear(SeqQueue* queue)
{
SeqList_Clear(queue);
}
int SeqQueue_Append(SeqQueue* queue,void* item)
{
return SeqList_Insert(queue,item,SeqList_Length(queue));
}
void* SeqQueue_Retrieve(SeqQueue* queue)
{
return SeqList_Delete(queue,0);
}
void* SeqQueue_Header(SeqQueue* queue)
{
return SeqList_Get(queue,0);
}
int SeqQueue_Length(SeqQueue* queue)
{
return SeqList_Length(queue);
}
int SeqQueue_Capacity(SeqQueue* queue)
{
return SeqList_Capacity(queue);
}
main.c
#include <stdio.h>
#include <stdlib.h>
#include "SeqQueue.h"
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(int argc, char *argv[])
{
SeqQueue* queue = SeqQueue_Create(20);
int a[10]={0};
int i=0;
for(i=0;i<10;i++)
{
a[i] = i+1;
SeqQueue_Append(queue,a+i);
}
printf("Header:%d\n",*(int*)SeqQueue_Header(queue));
printf("Length:%d\n",SeqQueue_Length(queue));
printf("Capacity:%d\n",SeqQueue_Capacity(queue));
while(SeqQueue_Length(queue)>0)
{
printf("Retrieve:%d\n",*(int*)SeqQueue_Retrieve(queue));
}
SeqQueue_Destroy(queue);
return 0;
}
运行效果: