int main( int argc, char **argv )
{
int c;
while( ( c = getopt_long( argc, argv, shortopts, longopts, NULL ) ) != -1 ) {
switch( c ) {
case 'p':
runProg( optarg );
case 'h':
usage();
return 0;
case 'v':
prog_version();
return 0;
default:
runProg( PORT_NUMBER );
}
}
return 0;
}
int main(){
/* */
/* BEGIN INITIALIZE */
/* */
bool loop = true;
cout << "MAGIC SQUARE CONSTRUCTION PROGRAM \nBUILD VERSION "
<< LATEST_VERSION
<< "\nLAST REVISED "
<< REVISION_DATE
<< "\nCOPYRIGHT "
<< AUTHOR
<< "\n\n\n";
/* END INITIALIZE */
while(loop){
cout << "Enter command (or type 'help' for command list): ";
string str;
getline(cin, str);
for(unsigned int z = 0; z < str.length(); z++)
str[z] = tolower(str[z]);
cout << endl;
/* */
/* BEGIN CHECK USER INPUT */
/* */
if(str == "help")
showCommands();
else if(str == "exit" || str == "quit")
loop = false;
else if(str == "generate squares"){
int remaining[NSQ];
STDMatrix builder;
for(int i = 0; i < NSQ; i++)
remaining[i] = 0;
cout << "Generating Order-" << N << " squares. . . \n\n";
generateOrder4(remaining, builder, 1);
cout << "All squares built.";
}
else if(str.find("output square ") != -1){
if(magics.size() == 0)
throwException(1);
else{
unsigned int a = atoi(str.substr(14).c_str()) - 1;
if(a <= magics.size() - 1 && a >= 0)
magics[a].print();
else
throwException(2);
}
}
else if(str.find("output squares ") != -1){
if(magics.size() == 0)
throwException(1);
else{
int pos = str.find("to") - 1;
unsigned int a = atoi(str.substr(15, pos-2).c_str()) - 1;
unsigned int b = atoi(str.substr(pos+3).c_str()) - 1;
while(a <= b){
if(a <= magics.size() - 1 && a >= 0){
magics[a].print();
if(a != b)
cout << "\n\n\n";
a++;
}
else{
throwException(2);
break;
}
}
}
}
else if(str.find("output type ") != -1){
if(magics.size() == 0)
throwException(1);
else{
unsigned int a = atoi(str.substr(12).c_str());
for(unsigned int i = 0; i < magics.size(); i++){
if(magics[i].getType() == a){
magics[i].print();
cout << "\n\n\n";
}
}
}
}
else if(str == "permute upper triangular"){
if(magics.size() == 0)
throwException(1);
else{
cout << "Permuting squares as upper triangular. . .\n\n";
permuteUT();
cout << "Permutation complete.";
}
}
else if(str == "check square equality"){
if(magics.size() == 0)
throwException(1);
else{
cout << "Finding unique squares after tests for equality. . .\n\n";
findUnique_Comparison();
cout << "Unique squares found.";
}
}
else if(str == "classify squares"){
if(magics.size() == 0)
throwException(1);
else{
cout << "Classifying squares as Dudeney Types. . .\n\n";
classify4();
cout << "Classification complete." << endl << "Remember to reclassify squares after any operation!";
}
}
else if(str == "sort squares"){
if(magics.size() == 0)
throwException(1);
else{
cout << "Sorting squares from least to greatest. . .\n\n";
sortLinearCompare();
cout << "Sorting complete.";
}
}
else if(str == "find unique squares"){
if(magics.size() == 0)
throwException(1);
else{
cout << "Finding unique squares after tests for permutations. . .\n\n";
findUnique_Permute();
cout << "\nUnique squares found.";
}
}
else if(str == "analysis"){
if(magics.size() == 0){
cout << "There are currently 0 squares created." << endl
<< "Generate squares for further details.";
}
else{
cout << "There are currently " << magics.size() << " squares created." << endl;
if(magics[0].getType() == -1)
cout << "Classify squares for further details.";
else
classList();
}
}
else if(str == "run program")
runProg();
else
cout << "Unknown Command '" << str << "'";
/* END CHECK USER INPUT */
cout << endl << endl;
}
return 0;
}
void runshell(){
int flag, inp_flag, out_flag, ifd, ofd, stdin_copy, stdout_copy;
char pth[BUFFER];
char fileIn[BUFFER], fileOut[BUFFER];
strcpy(pth,"");
while(1){
printf("myshell@%s> ", getcwd(line,BUFFER));
line[0] = '\0';
fgets(line, BUFFER, stdin);
clearTabs(line);
removeLastEnter(line);
// printf("\nLINE = {%s}\n",line);
int pipeCount = isPipingNeeded(line);
// printf("\npipeCount = %d\n",pipeCount);
if(pipeCount>0){
piping(line,pipeCount);
continue;
}
/************ NO PIPING IS REQUIRED ***********/
inp_flag = extractWord(line, '<' ,fileIn);
out_flag = extractWord(line,'>', fileOut);
if(inp_flag != -1 && out_flag != -1){
if(inp_flag == 1){
stdin_copy = dup(0);
close(0);
ifd = open(fileIn, O_RDONLY);
if (ifd < 0) {
fprintf(stderr, "Unable to open input file in read mode...\n");
continue;
}
}
if(out_flag == 1){
stdout_copy = dup(1);
close(1);
ofd = open(fileOut, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (ofd < 0) {
fprintf(stderr, "Unable to open output file in write mode...\n");
continue;
}
}
}
if(feof(stdin)){
printf("\n");
exit(0);
}
separateWord(line);
//printf("%s",words[0]);
if(!strcmp(words[0],"cd")){
strcpy(pth,"");
strcat(pth,getcwd(line,BUFFER));
//if(words[1][0] != '/')
strcat(pth,"/");
strcat(pth,words[1]);
flag = chdir(pth);
if(flag == -1){
flag = chdir(words[1]);
if(flag == -1) printf("\nNo Such file or directory !!\n");
// runProg(words[0],"",words[1]);
}
}
else if(!strcmp(words[0],"pwd")){
printf("%s\n",getcwd(line,BUFFER));
}
else if(!strcmp(words[0],"mkdir")){
strcpy(pth,"");
strcat(pth,getcwd(line,BUFFER));
strcat(pth,"/");
strcat(pth,words[1]);
flag = mkdir(pth,0777);
if(flag == -1){
flag = mkdir(words[1],0777);
if(flag == -1)
runProg(words[0],"",words[1],0);
}
}
else if(!strcmp(words[0],"rmdir")){
strcpy(pth,"");
strcat(pth,getcwd(line,BUFFER));
strcat(pth,"/");
strcat(pth,words[1]);
flag = rmdir(pth);
if(flag == -1){
flag = rmdir(words[1]);
if(flag == -1)
runProg(words[0],"",words[1],0);
}
}
else if(!strcmp(words[0],"ls") && !(words[1][0] == '-' && words[1][1] == 'l')){
DIR *dp;
struct dirent *ep;
dp = opendir ("./");
if (dp != NULL)
{
while (ep = readdir (dp))
puts (ep->d_name);
(void) closedir (dp);
}
else
puts ("Couldn't open the directory.");
}
else if(!strcmp(words[0],"ls") && words[1][0] == '-' && words[1][1] == 'l'){
DIR *d;
struct dirent *de;
struct stat buf;
int i,j;
char P[10]="rwxrwxrwx",AP[10]=" ";
struct passwd *p;
struct group *g;
struct tm *t;
char time[26];
d=opendir(".");
readdir(d);
readdir(d);
while((de=readdir(d))!=NULL)
{
stat(de->d_name,&buf);
// File Type
if(S_ISDIR(buf.st_mode))
printf("d");
else if(S_ISREG(buf.st_mode))
printf("-");
else if(S_ISCHR(buf.st_mode))
printf("c");
else if(S_ISBLK(buf.st_mode))
printf("b");
else if(S_ISLNK(buf.st_mode))
printf("l");
else if(S_ISFIFO(buf.st_mode))
printf("p");
else if(S_ISSOCK(buf.st_mode))
printf("s");
//File Permissions P-Full Permissions AP-Actual Permissions
for(i=0,j=(1<<8);i<9;i++,j>>=1)
AP[i]= (buf.st_mode & j ) ? P[i] : '-' ;
printf("%s",AP);
//No. of Hard Links
printf("%lu",buf.st_nlink);
//User Name
p=getpwuid(buf.st_uid);
printf(" %.8s",p->pw_name);
//Group Name
g=getgrgid(buf.st_gid);
printf(" %-8.8s",g->gr_name);
//File Size
printf(" %lu",buf.st_size);
//Date and Time of modification
t=localtime(&buf.st_mtime);
strftime(time,sizeof(time),"%b %d %H:%M",t);
printf(" %s",time);
//File Name
printf(" %s\n",de->d_name);
}
}
else if(!strcmp(words[0],"exit")){
int main(int args, char *argv[]){
parseArgs(args, argv);
runProg();
return EXIT_SUCCESS;
}
