TreeNode* CreatNode(char *name, char *context, char* type)
{
if(debug)
printf("CreateNode %s\n",context);
TreeNode *tmp = (TreeNode *) malloc(sizeof(TreeNode));
tmp->terminal = 1;
tmp->sibling = NULL;
tmp->child = NULL;
tmp->name = NULL;
tmp->type=NULL;
tmp->name = MyStrCpy(name);
tmp->type = MyStrCpy(type);
//tmp->type = type;
assert(strcmp(tmp->name,name)==0);
if(strcmp(type,"INT")==0)
tmp->val.f = atoi(context);
else if(strcmp(type,"FLOAT")==0)
tmp->val.f = atof(context);
else if(context != NULL)
tmp->val.s = MyStrCpy(context);
/*
switch(type)
{
case INT: tmp->val.i = atoi(context); break;
case FLOAT: tmp->val.f = atof(context); break;
default: if(context != NULL) MyStrCpy(tmp->val.s=NULL, context);
}*/
return tmp;
}
int ParseIbuf(char sep) {
unsigned char *cp;
unsigned char *ep, cks, c;
int i, err, len;
InitItems();
bcopy((void *) ibuf, icpy, IBUF_SIZE);
len = 0;
for (i=0; i<IBUF_SIZE; i++) {
c = icpy[i];
if (c == 0) icpy[i] = ' ';
if (c == ETX) {
icpy[i] = 0;
len = i + 1;
break;
}
}
err = 0;
if (len > 4) {
cks = 0; for (i=0; i<len -2; i++) cks ^= ibuf[i];
if (cks != ibuf[i]) err++;
else icpy[i] = 0;
} else err++;
if (err) return 0; /* Illegal string length or checksum error */
cp = &(icpy[4]); /* Skip STX 99 c */
for (i=0; i<ITEMS; i++) {
ep = index(cp,sep);
if (ep) {
*ep = 0;
MyStrCpy(items[i],cp);
cp = ++ep;
} else break;
}
MyStrCpy(items[i],cp); item = i+1;
return item;
}
TreeNode *CreatNonTreeNode(char *name)
{
if(debug)
printf("CreateNonTreeNode %s\n",name);
TreeNode *tmp = (TreeNode *) malloc(sizeof(TreeNode));
if(tmp == NULL)
printf("err in malloc\n");
tmp->terminal = 0;
tmp->sibling = NULL;
tmp->child = NULL;
//tmp->buf = NULL;
//tmp->name = NULL;
//tmp->buf = malloc((strlen(context)+1)*sizeof(char));
//strcpy(tmp->buf,context);
tmp->name = MyStrCpy(name);
DEBUG printf("name is %s\n", tmp->name);
assert(strcmp(tmp->name,name)==0);
return tmp;
}
void Shell()
{
int term_num, stdin_pid, stdout_pid, print_driver_pid,
file_system_pid;
char login[50], passwd[50], cmd_str[50];
msg_t msg;
MsgRcv(&msg);
msg.sender = msg.nums[0];
term_num = msg.nums[1];
print_driver_pid = msg.nums[2];
file_system_pid = msg.nums[3];
msg.nums[4] = ECHO_ON;
stdin_pid = Spawn(Stdin);
stdout_pid = Spawn(Stdout);
MsgSnd(stdin_pid, &msg);
MsgSnd(stdout_pid, &msg);
TerminalInit(term_num);
while(1){
while(1){
MyStrCpy(msg.bytes, "login : "******"password: "******"Illegal login and password!\n");
MsgSnd(stdout_pid, &msg);
MsgRcv(&msg);
}
while(1){
MyStrCpy(msg.bytes, "\nOS Alpha > ");
MsgSnd(stdout_pid, &msg);
MsgRcv(&msg);
MsgSnd(stdin_pid, &msg);
MsgRcv(&msg);
MyStrCpy(cmd_str, msg.bytes);
if( StrCmpLen(cmd_str, "print", 5) == 1 ){
ShellPrint(cmd_str, print_driver_pid, file_system_pid);
MyStrCpy(msg.bytes, cmd_str);
MsgSnd(stdout_pid, &msg);
MsgRcv(&msg);
}
else if( StrCmp(cmd_str, "bye") == 1){
break;
}
else if( StrCmp(cmd_str, "\n")){
continue;
}
else if(StrCmp(cmd_str, "help")){
ShellHelp(stdout_pid);
}
else if(StrCmp(cmd_str, "who")){
ShellWho(stdout_pid);
}
else if(StrCmpLen(cmd_str, "dir", 3)){
ShellDir(cmd_str, stdout_pid,file_system_pid);
}
else if(StrCmpLen(cmd_str, "type", 4)){
ShellType(cmd_str, stdout_pid, file_system_pid);
}
else {
MyStrCpy(msg.bytes, "Invalid command!\n");
MsgSnd(stdout_pid, &msg);
MsgRcv(&msg);
}
}
}
}
