//命令行循环
void cmd_ln_loop(const objfile& file){
char cmd[51] = {0};
int quit = 0;
int length;
while (1){
std::cout<<"<-";
std::cin.getline(cmd,50);
length = strlen(cmd);
if (!cmd[0]){
continue;
}
std::string opr = strtok(cmd," ");
if (opr == "la"){
const char* opr1_chp = strtok(NULL," ");
const char* fn_chp = strtok(NULL, " ");
if (!(opr1_chp && fn_chp)){
printf("format: la [line] [file]\n");
continue;
}
std::string operand1(opr1_chp);
std::string filename(fn_chp);
short line = (short)atoi(operand1.c_str());
int filenum = file.f_name_to_num(filename);
if (filenum == -1){
printf("no file named %s found\n",filename.c_str());
continue;
}
try{
int addr = file.l_to_a(line,filenum);
printf("%d\n",addr);
}catch (std::string s){
std::cout<<s<<std::endl;
}
}else if (opr == "al"){
const char* addr_chp = strtok(NULL," ");
if (!addr_chp){
printf("format: al [addr]\n");
continue;
}
std::string operand (addr_chp);
int addr = (short)atoi(operand.c_str());
int filenum = file.a_to_f(addr);
int line = file.a_to_l(addr,filenum);
std::string filename(file.f_to_n(filenum));
printf("line %d of %s\n",line,filename.c_str());
std::cout<< getLineFromFile(filename, line)<<std::endl;
}else if (opr == "q") break;
Sleep(50);
}
}
void run() {
checkAvg(operand1(), operand2());
checkAvg(operand2(), operand1());
}
