MENU可重用的子系统

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/**************************************************************************************************//* Copyright (C) mc2lab.com, SSE@USTC, 2014-2015                                                  *//*                                                                                                *//*  FILE NAME             :  menu.h                                                               *//*  PRINCIPAL AUTHOR      :  Ls                                                                   *//*  SUBSYSTEM NAME        :  menu                                                                 *//*  MODULE NAME           :  menu                                                                 *//*  LANGUAGE              :  C                                                                    *//*  TARGET ENVIRONMENT    :  ANY                                                                  *//*  DATE OF FIRST RELEASE :  2014/08/31                                                           *//*  DESCRIPTION           :  This is a menu program                                               *//**************************************************************************************************//* * Revision log: * * Created by Ls, 2015/01/18 * */#ifndef MENU_H#define MENU_H /* add cmd to menu */int MenuConfig(char * cmd, char * desc, int (*handler)());/* Menu Engine Execute */int ExecuteMenu();#endif //MENU_H

/**************************************************************************************************//* Copyright (C) mc2lab.com, SSE@USTC, 2014-2015                                                  *//*                                                                                                *//*  FILE NAME             :  menu.c                                                               *//*  PRINCIPAL AUTHOR      :  Ls                                                                   *//*  SUBSYSTEM NAME        :  menu                                                                 *//*  MODULE NAME           :  menu                                                                 *//*  LANGUAGE              :  C                                                                    *//*  TARGET ENVIRONMENT    :  ANY                                                                  *//*  DATE OF FIRST RELEASE :  2014/08/31                                                           *//*  DESCRIPTION           :  This is a menu program                                               *//**************************************************************************************************//* * Revision log: * * Created by Ls, 2015/01/18 * */#include <stdio.h>#include <stdlib.h>#include "linktable.h"#include "menu.h"tLinkTable * head = NULL;int Help(int argc, char *argv[]);#define CMD_MAX_LEN 1024#define CMD_MAX_ARGV_NUM 32#define DESC_LEN    1024#define CMD_NUM     10/* data struct and its operations */typedef struct DataNode{    tLinkTableNode * pNext;    char*   cmd;    char*   desc;    int     (*handler)(int argc, char *argv[]);} tDataNode;int SearchCondition(tLinkTableNode * pLinkTableNode, void * args){    char * cmd = (char*) args;    tDataNode * pNode = (tDataNode *)pLinkTableNode;    if(strcmp(pNode->cmd, cmd) == 0)    {        return  SUCCESS;      }    return FAILURE;       }/* find a cmd in the linklist and return the datanode pointer */tDataNode* FindCmd(tLinkTable * head, char * cmd){    return  (tDataNode*)SearchLinkTableNode(head,SearchCondition, (void *) cmd);}/* show all cmd in listlist */int ShowAllCmd(tLinkTable * head){    tDataNode * pNode = (tDataNode*)GetLinkTableHead(head);    while(pNode != NULL)    {        printf("%s - %s\n", pNode->cmd, pNode->desc);        pNode = (tDataNode*)GetNextLinkTableNode(head,(tLinkTableNode *)pNode);    }    return 0;}/* add cmd to menu */int MenuConfig(char * cmd, char *desc, int (*handler)(int argc, char *argv[])){    tDataNode * pNode = NULL;    if (head == NULL)    {        head = CreateLinkTable();       pNode = (tDataNode *)malloc(sizeof(tDataNode));pNode->cmd = "help";        pNode->desc = "Menu List";pNode->handler = Help;AddLinkTableNode(head, (tLinkTableNode *)pNode);    }    pNode = (tDataNode *)malloc(sizeof(tDataNode));    pNode->cmd = cmd;    pNode->desc = desc;    pNode->handler = handler;    AddLinkTableNode(head, (tLinkTableNode *)pNode);    return 0;}/* Menu Engine Execute */int ExecuteMenu(){    /* cmd line begins */    while(1)    {        int argc = 0;        char *argv[CMD_MAX_ARGV_NUM];        char cmd[CMD_MAX_LEN];        char *pcmd = NULL;        printf("Input a cmd > ");        //scanf("%s", cmd);        pcmd = fgets(cmd, CMD_MAX_LEN, stdin);        if(pcmd == NULL)        {            continue;        }        /* convert cmd to argc/argv *///      printf("%s\n", pcmd);         pcmd = strtok(pcmd, " ");        while(pcmd != NULL && argc < CMD_MAX_ARGV_NUM)        {            argv[argc++] = pcmd;//          printf("%s\n", pcmd);            pcmd = strtok(NULL, " ");        }//      if(argc == 1)//      {            int len = strlen(argv[argc-1]);            *(argv[argc-1] + len - 1) = '\0';//      }        tDataNode *p = FindCmd(head, argv[0]);        if( p == NULL)        {            printf("This is a wrong cmd!\n ");            continue;        }        printf("%s - %s\n", p->cmd, p->desc);         if(p->handler != NULL)         {             p->handler(argc, argv);        }       }    return 0;}int Help(int argc, char *argv[]){    ShowAllCmd(head);    return 0; }

## # Makefile for Menu Program#CC_PTHREAD_FLAGS= -lpthreadCC_FLAGS= -cCC_OUTPUT_FLAGS= -oCC= gccRM= rmRM_FLAGS= -fTARGET= testOBJS= linktable.o menu.o test.oall:$(OBJS)$(CC) $(CC_OUTPUT_FLAGS) $(TARGET) $(OBJS).c.o:$(CC) $(CC_FLAGS) $<clean:$(RM) $(RM_FLAGS) $(OBJS) $(TARGET) *.bakgcc linktable.c menu.c test.c -o menu

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