202106020611 增加表头类对象

include/dlist.h

@@ -95,7 +95,7 @@ int dlistInsertItem(IDListVarPtr list, HOBJECT item);
 /*
 将list2表中的项链接到表list中，list2则清空
 */
-int dlistCancat(IDListVarPtr list, IDListVarPtr list2);
+int dlistConcat(IDListVarPtr list, IDListVarPtr list2);
 
 /*
 遍历表list，对表list中的每一项调用func，param作为参数传到func中
@@ -127,6 +127,16 @@ int dlistItemCount(IDListVarPtr list);
 */
 int dlistRemoveAll(IDListVarPtr list);
 
+/*
+表头对象
+*/
+DEFINE_GUID(CLSID_DLISTHEADER, 0x7ba10549, 0x8c42, 0x4301, 0xbb, 0xc7, 0x75, 0x5a, 0x7f, 0x8, 0x9, 0xae);
+
+IDListVar* dlistCreate();
+
+#define IsDListHeader(obj) objectIsClass(obj, CLSID_DLISTHEADER)
+
+
 #endif    
 
 #ifdef __cplusplus

src/dlist.c

@@ -91,7 +91,7 @@ int dlistInsertItem(IDListVarPtr plist, HOBJECT item)
 /* 
 将list2表中的项链接到表list中，list2则清空 
 */
-int dlistCancat(IDListVarPtr plist, IDListVarPtr plist2)
+int dlistConcat(IDListVarPtr plist, IDListVarPtr plist2)
 {
 	if ( (plist == NULL) || (plist2 == NULL) ) {
 		return -1;
@@ -224,3 +224,74 @@ int dlistRemoveAll(IDListVarPtr plist)
 	plist->__dlist_pNext = plist->__dlist_pLast = plist;
 	return 0;
 }
+
+
+/*表头对象*/
+typedef struct _sDListHeader {
+	OBJECT_HEADER
+		DLIST_VARDECLARE
+}sDListHeader;
+
+OBJECT_FUNCDECLARE(dlistheader, CLSID_DLISTHEADER);
+
+DLIST_FUNCIMPL(dlistheader, CLSID_DLISTHEADER, sDListHeader);
+OBJECT_FUNCIMPL(dlistheader, sDListHeader, CLSID_DLISTHEADER);
+
+QUERYINTERFACE_BEGIN(dlistheader, CLSID_DLISTHEADER)
+QUERYINTERFACE_ITEM(IID_DLIST, IDList, sDListHeader)
+QUERYINTERFACE_END
+
+static const char* dlistheaderModuleInfo()
+{
+	return "1.0.0-20210503.1247 Dual List Header";
+}
+
+static int dlistheaderCreate(const PARAMITEM* pParams, int paramcount, HOBJECT* pObject)
+{
+	sDListHeader* pobj;
+	pobj = (sDListHeader*)malloc(sizeof(sDListHeader));
+	if (pobj == NULL)
+		return -1;
+
+	memset(pobj, 0, sizeof(sDListHeader));
+
+	*pObject = 0;
+	DLIST_VARINIT(pobj, dlistheader);
+
+	/*返回生成的对象*/
+	OBJECT_RETURN_GEN(dlistheader, pobj, pObject, CLSID_DLISTHEADER);
+	return EIID_OK;
+}
+
+
+static void dlistheaderDestroy(HOBJECT object)
+{
+	sDListHeader* pobj;
+	pobj = (sDListHeader*)objectThis(object);
+	free(pobj);
+}
+
+/*
+	功能：判断对象是否是一个有效对象
+	参数：
+		object -- 对象数据指针
+	返回值：
+		0 -- 对象是无效的
+		1 -- 对象是有效的
+*/
+static int dlistheaderValid(HOBJECT object)
+{
+	return 1;
+}
+
+IDListVar* dlistCreate()
+{
+	int ret;
+	IDListVar* pListHeader;
+	A_u_t_o_registor_dlistheader();
+	ret = objectCreateEx(CLSID_DLISTHEADER, NULL, 0, IID_DLIST, (const void**)&pListHeader);
+	if (ret == 0)
+		return pListHeader;
+	else
+		return NULL;
+}