char *exec(ListeString *listeArg, Commande *commande, Niveau *niveau){
int nbArgument = nbArg(commande);
int fd[2];
pipe(fd);
int status;
pid_t pid = fork();
commande->pid = pid;
child_pid = commande->pid;
if (pid == -1)
{
wprintw(stdscr, "Erreur fork\n");
exit(EXIT_FAILURE);
}
if(pid == 0)
{
if (nbArgument == 0)
{
close(fd[0]);
dup2(fd[1], 1);
close(fd[1]);
strcpy(commande->commande, deleteSpaces(commande->commande));
execlp(commande->commande, commande->commande, NULL);
}else{
char **tab = malloc(sizeof(char)*TAILLE_MAX_COMMANDE*nbArgument);
creeTabArgs(tab, listeArg, nbArgument);
close(fd[0]);
dup2(fd[1], 1);
close(fd[1]);
strcpy(tab[0], deleteSpaces(tab[0]));
execvp(tab[0], tab);
free(tab);
}
exit(0);
}else
{
waitpid(pid, &status, WCONTINUED);
if (WIFEXITED(status))
{
commande->pid = getpid();
char *sortie = malloc(sizeof(char)*TAILLE_MAX_COMMANDE*200);
read(fd[0], sortie, TAILLE_MAX_COMMANDE*200);
// fprintf(stderr, "verification : %s\n", niveau->nom);
verification(sortie, &(*niveau), commande);
return sortie;
}
else
return NULL;
}
}
void CTagCn::nodeIsReal(const CNode& node, CTreeNode& tree_node)const
{
nodeIsReal(node);
size_t pos = 0;
string num = deleteSpaces(node.text().as_string());
double d = stod(num, &pos);
tree_node.value = d;
}
//check node value is float
void CTagCn::nodeIsReal(const CNode& node)const
{
size_t pos = 0;
string num = deleteSpaces(node.text().as_string());
double d = stod(num, &pos);
if (pos != num.length() || !num.length())
throwException(node, node.offset_debug(), INCORRECT_VALUE);
}
/*
* Corrects the entry of negative numbers.
* Function translate expression like '(-x)' to '(0-x)'.
*
* @param str - string which need to fix.
* @result str - fixed string.
*/
string fixNegativeVariables (string str) {
for (int i=0; i < (int) str.size(); i++) {
if (str.at(i) == '(') {
if (str.at(i+1) == '-') {
str = str.substr(0, i) + "(0" + str.substr(i+1, str.size());
str = deleteSpaces(str);
i=0;
}
}
}
return str;
}
/*
* Fix the equation string.
* Removes white space.
* Fix repetitive characters.
* Corrects the entry of negative numbers.
*
* @param str - string which need to fix.
* @result string - fixed string.
*/
string fixEquation(string str) {
return fixNegativeVariables(fixRepeteSigns(deleteSpaces(str)));
}
