static void printCommands(Command* cmd, DisplayLine* cache, unsigned char* line, int indent,
Rect innerRect, unsigned char height, unsigned char width)
{
// make sure we don't overflow the window //
if(*line >= height) return;
// NULL indicates root node, print scheduler Commands //
if(!cmd) {
ListNode* node = runningList.firstNode;
while(node != NULL) {
printCommands(node->data, cache, line, indent, innerRect, height, width);
node = node->next;
}
return;
}
// determine line color //
Color color = Color_Black;
if(cmd->startTime == -1) {
color = Color_DarkYellow;
} else if(Command_timeSinceInitialized(cmd) < 1000) {
color = Color_DarkGreen;
}
// print this Command if changed //
if(cmd->objectId != cache[*line].objectId || color != cache[*line].color) {
// compute display characteristics: position //
unsigned char top = innerRect.top + *line;
unsigned char left = innerRect.left;
unsigned char xwidth = width - indent;
// print command and increment line counter //
PrintTextToGD(top, left, color, "%*s%-*.*s\n", indent, "", xwidth, xwidth,
Command_getName(cmd));
cache[*line] = (DisplayLine) { .objectId = cmd->objectId, .color = color };
}
(*line)++;
// test for CommandGroup //
if(CommandGroup_isGroup(cmd)) {
// print children //
ListNode* node = CommandGroup_getChildList(cmd)->firstNode;
while(node != NULL) {
GroupEntry* entry = node->data;
printCommands(entry->command, cache, line, indent + 2, innerRect, height, width);
node = node->next;
}
// print current node last //
Command* xcmd = CommandGroup_getCurrentCommand(cmd);
if(xcmd) printCommands(xcmd, cache, line, indent + 2, innerRect, height, width);
}
}
static void addRunningNode(ListNode* node) {
static bool adding = false;
// validate //
if(node == NULL) return;
Command* cmd = (Command*) node->data;
if(cmd == NULL) { freeNode(node); return; }
if(adding) {
Info("Cannot start command during cancel(). Ignoring: %s", Command_getName(cmd));
freeNode(node);
return;
}
// make sure command is not already running //
ListNode* xnode = runningList.firstNode;
while(xnode != NULL) {
if((Command*)xnode->data == cmd) {
freeNode(node);
return;
}
xnode = xnode->next;
}
// check that required Subsystems are available //
Command* current;
xnode = cmd->requiresList.firstNode;
while(xnode != NULL) {
current = ((Subsystem*) xnode->data)->currentCommand;
if(current && !current->interruptible) {
freeNode(node);
return;
}
xnode = xnode->next;
}
// claim required Subsystems //
adding = true;
xnode = cmd->requiresList.firstNode;
while(xnode != NULL) {
Subsystem* sys = (Subsystem*) xnode->data;
current = sys->currentCommand;
if(current) {
Command_cancel(current);
// find the node with the command and remove it //
ListNode* xnode2 = runningList.firstNode;
while(xnode2 != NULL) {
if((Command*)xnode2->data == current) {
removeRunningNode(xnode2);
break;
}
xnode2 = xnode2->next;
}
}
sys->currentCommand = cmd;
xnode = xnode->next;
}
adding = false;
// add to command list //
List_insertLast(&runningList, node);
Command_startRunning(cmd);
}
int main(int argc, char *argv[])
{
char *pcLine;
DynArray_T oTokens;
DynArray_T oArgs;
int iArgLength;
int i;
Command_T oCommand;
pcPgmName = argv[0];
/* Write to stdout a prompt consisting of a percent sign
and a space. */
fprintf(stdout, "%% ");
/* Read a line (that is, an array of characters) from stdin. */
while ((pcLine = Token_readLine(stdin)) != NULL)
{
/* Write that line (array of characters) to stdout, and
flush the stdout buffer. */
fprintf(stdout, "%s\n", pcLine);
fflush(stdout);
/* Pass the line (array of characters) to your lexical
analyzer to create a DynArray object containing tokens. */
oTokens = Lex_analyze(pcLine);
oCommand = Syn_analyze(oTokens);
if (oCommand != NULL) {
if (Command_getName(oCommand) != NULL)
fprintf(stdout, "Command name: %s\n",
Command_getName(oCommand));
if (Command_getArgs(oCommand) != NULL) {
oArgs = Command_getArgs(oCommand);
iArgLength = DynArray_getLength(oArgs);
for (i = 0; i < iArgLength; i++) {
fprintf(stdout, "Command arg: %s\n",
(char *)DynArray_get(oArgs, i));
}
}
if (Command_getStdIn(oCommand) != NULL) {
fprintf(stdout, "Command stdin: %s\n",
Command_getStdIn(oCommand));
}
if (Command_getStdOut(oCommand) != NULL) {
fprintf(stdout, "Command stdout: %s\n",
Command_getStdOut(oCommand));
}
Command_free(oCommand);
}
if (oTokens != NULL) {
Token_freeTokens(oTokens);
DynArray_free(oTokens);
}
fprintf(stdout, "%% ");
free(pcLine);
}
fprintf(stdout, "\n");
return 0;
}