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#ifndef ARRAY_INCLUDED
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#include<assert.h>
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#include<malloc.h>
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#include<stdlib.h>
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#include<string.h>
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/*带有assert的安全分配内存*/
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void *malloc_s(int _size){
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assert(_size > 0);
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void *malloc_ptr = malloc(_size);
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assert(malloc_ptr != NULL);
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return malloc_ptr;
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}
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/*字符串变量的创建与复制*/
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char *malloc_s_strcpy(const char *const src){
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//申请char[]时需要多分配几个位置用于存放'\0'结束符
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char *dst = malloc_s(strlen(src)+2);
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strcpy(dst, src);
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return dst;
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}
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/*MARCO:根据类型安全分配内存*/
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#define MALLOC_S(TypeName) (TypeName *)(malloc_s(sizeof(TypeName)))
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/*链表单元*/
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struct Array_{
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void *p; /*内容数据*/
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struct Array_ *next;
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};
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/*通过单向链表实现的动态数组，需要指定内置数据的类型*/
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struct Array{
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struct Array_ *front, *back; /*头尾节点*/
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int TypeSize; /*内置类型的大小（不包含动态数据的纯大小）*/
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int size; /*总体大小*/
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};
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/*链表初始化*/
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void Array_create(struct Array *a, int ts)
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{
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assert("Array_create" && ts > 0);
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a->TypeSize = ts;
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a->size = 0;
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a->back = a->front = NULL;
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}
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void Array_release_(struct Array_ *a, struct Array_ *back, void (*rel)(void *)){
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if(a == back) return ;
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Array_release_(a->next, back, rel);
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rel(a->p);
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free(a->p);
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free(a);
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}
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/*释放动态分配的内存，需要指定释放内部动态成员的方法*/
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void Array_release(struct Array *a, void (*rel)(void *)){
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Array_release_(a->front, a->back, rel);
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a->size = 0;
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a->back = a->front = NULL;
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}
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/*返回指定位置的Array_*指针
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配合PAT宏获取内部数据*/
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struct Array_ *Array(struct Array *a, int pos){
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assert("Array[pos]" && pos >= 0 && pos < a->size);
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struct Array_ *node = a->front;
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for(int i = 0; i < pos; i ++) node = node->next;
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return node;
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}
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/*在pos前插入*/
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void Array_insert(struct Array *a, void *p, int pos)
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{
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assert("Array_insert" && pos >= 0 && pos <= a->size);
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struct Array_ *newNode, *node = a->front;
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newNode = MALLOC_S(struct Array_);
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newNode->p = malloc_s(a->TypeSize);
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memcpy(newNode->p, p, a->TypeSize);
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if(pos == 0){
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newNode->next = a->front;
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a->front = newNode;
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}else{
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for(int i = 0; i < pos-1; i ++) node = node->next;
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newNode->next = node->next;
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node->next = newNode;
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}
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a->size += 1;
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}
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/*删除pos位置的Array_节点*/
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void Array_delete_pos(struct Array *a, int pos, void (*rel_)(void *)){
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assert("Array_delete" && pos >= 0 && pos < a->size && a->size != 0);
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struct Array_ *node = a->front, *freeNode;
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if(pos == 0){
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freeNode = a->front;
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a->front = a->front->next;
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rel_(freeNode->p);
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free(freeNode);
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}else{
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for(int i = 0; i < pos-1; i ++) node = node->next;
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freeNode = node->next;
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node->next = node->next->next;
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rel_(freeNode->p);
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free(freeNode);
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}
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a->size--;
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}
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/*删除node所指向的Array节点*/
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void Array_delete_p(struct Array *a, struct Array_ *node, void (*rel_)(void *)){
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assert("Array_delete_p" && node != a->back);
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struct Array_ *freeNode;
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if(node == a->front){
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freeNode = a->front;
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a->front = a->front->next;
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rel_(freeNode->p);
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free(freeNode);
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}else{
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freeNode = node->next;
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node->next = node->next->next;
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rel_(freeNode->p);
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free(freeNode);
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}
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a->size--;
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}
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/*交换内容，即p指针*/
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void Array__swap(struct Array_ *a, struct Array_ *b){
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void *t = b->p;
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b->p = a->p;
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a->p = t;
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}
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/*
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带有reverse选项的冒泡排序，默认(reverse == 0)是升序
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func(a,b)为排序所依据的比较函数
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a>b:>0
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a==b:0
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a < b:<0
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*/
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void Array_sort(struct Array *a, int (*func)(void *, void *), int reverse){
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reverse = reverse ? -1 : 1;
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struct Array_ *sorted = a->back, *p;
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while(a->front->next != sorted){
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for(p = a->front; p->next != sorted; p = p->next)
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if(reverse*func(p->p,p->next->p) > 0)
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Array__swap(p, p->next);
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sorted = p;
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}
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}
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/*指定类型 转换(void)Array.p中的内容*/
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#define PAT(TypeName, Array_Pointer) ((TypeName *)Array_Pointer->p)
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/*链表的遍历*/
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#define Range(arr) for(struct Array_ *p = arr.front; p != arr.back; p = p->next)
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/*链表指定类型的初始化*/
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#define DEF_ARRAY(Type, name)
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void DoNothing(){}
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/*记录每Array容器对象的信息*/
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struct ArrayObjects{
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void *p_obj; /*Array对象的地址*/
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};
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/*为每一个Array容器类实现释放管理*/
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struct ArrayClass{
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char *TypeName; /*容器内置类型的名称*/
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void (*rel_)(void *);/*释放Array对象内部单个元素数据的方式*/
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struct Array objects;/*该内置类型所有Array对象的信息*/
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};
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/*存储所有Array容器类*/
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struct Array ArrayList;
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/*以TypeName注册一个新的ArrayClass，并且指定Rel__Func为释放单个元素的方式*/
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void ArrayClass_Reg(char *TypeName, void (*Rel__Func)(void *p)){
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struct ArrayClass ac;
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ac.TypeName = malloc_s_strcpy(TypeName);
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ac.rel_ = Rel__Func;
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Array_create(&ac.objects, sizeof(struct ArrayObjects));
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Array_insert(&ArrayList, &ac, 0);
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}
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/*向给定TypName的ArrayClass注册一个新的对象，对象地址为p_obj*/
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void ArrayObj_Reg(char *TypeName, void *p_obj){
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struct Array_ *p;
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for(p = ArrayList.front; p != ArrayList.back; p = p->next)
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if(strcmp(((struct ArrayClass*)p->p)->TypeName, TypeName) == 0)
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break;
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Array_insert((&((struct ArrayClass*)p->p)->objects), &(struct ArrayObjects){p_obj}, 0);
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}
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/*释放ArrayList中单个元素占用的资源*/
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void ArrayList_Rel_(void *p_class){
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free(((struct ArrayClass *)p_class)->TypeName);
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Array_release(&((struct ArrayClass *)p_class)->objects, DoNothing);
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}
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/*初始化Array_List*/
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void ArrayList_Init(){
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Array_create(&ArrayList, sizeof(struct ArrayClass));
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}
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/*释放ArrayList占用的资源*/
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void ArrayList_Rel(){
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Array_release(&ArrayList, ArrayList_Rel_);
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}
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/*主动提前释放资源，对于局部变量，需要在其被编译器释放前主动释放占用资源，防止内存泄漏*/
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void Array_Obj_PreRelease(struct Array *unrel_obj){
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for(struct Array_ *p = ArrayList.front; p != ArrayList.back; p = p->next)
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for(struct Array_ *q = ((struct ArrayClass *)p->p)->objects.front; q != ((struct ArrayClass *)p->p)->objects.back; q = q->next)
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if(unrel_obj == ((struct ArrayObjects*)q->p)->p_obj){
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printf("%s\n", ((struct ArrayClass *)p->p)->TypeName);
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Array_release(unrel_obj, ((struct ArrayClass *)p->p)->rel_);
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Array_delete_p(&((struct ArrayClass *)p->p)->objects, q, DoNothing);
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return ;
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}
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assert("Array_Obj_PreRelease:NotFound");
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}
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/*根据ArrayObj反查ArrayClass*/
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struct ArrayClass *ArrayList_Find_Class_From_Obj(struct Array *a){
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for(struct Array_ *p = ArrayList.front; p != ArrayList.back; p = p->next)
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for(struct Array_ *q = ((struct ArrayClass *)p->p)->objects.front; q != ((struct ArrayClass *)p->p)->objects.back; q = q->next)
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if(a == ((struct ArrayObjects*)q->p)->p_obj)
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return (struct ArrayClass *)p->p;
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assert("ArrayList_Find_Class_From_Obj:NotFound");
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}
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/*重写简化的Array_delete*/
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void Array_deletepos(struct Array *a, int pos){
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Array_delete_pos(a, pos, ArrayList_Find_Class_From_Obj(a)->rel_);
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}
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void Array_deletep(struct Array *a, struct Array_ *node){
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Array_delete_p(a, node, ArrayList_Find_Class_From_Obj(a)->rel_);
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}
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/*MARCO:为Type注册一个新的ArrayClass，并且指定Rel__Func为释放单个元素的方式*/
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#define DECLARE_ARRAY(Type, RelFunc) ArrayClass_Reg(#Type, RelFunc);
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/*
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MARCO:为内置类型为Type的ArrayClass创建一个新的对象，名称为ArrName
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Example:
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struct ARRAY(a, struct A);
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^^^^^^___________________^
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*/
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#define ARRAY(ArrName, Type) \
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Array ArrName; \
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Array_create(&ArrName, sizeof(Type)); \
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ArrayObj_Reg(#Type, &ArrName)
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#define ARRAY_BIND(ArrName, Type) \
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Array_create(&ArrName, sizeof(Type)); \
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ArrayObj_Reg(#Type, &ArrName);
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/*
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Example:
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struct A{
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int a;
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};
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void rel_(void*p){}
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int main(){
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Array_Class_Init();
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DECLARE_ARRAY(struct A, rel_)
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struct ARRAY(a, struct A);
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Array_Obj_PreRelease(&a);
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Array_Class_Rel();
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}
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*/
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#endif
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#define ARRAY_INCLUDED |
