static int x_issue_special_command(const char * line, Command_Options *copts, Dictionary dict)
{
char *s, myline[1000], *x, *y;
int i, count, j, k;
Switch * as = default_switches;
Parse_Options opts = copts->popts;
strncpy(myline, line, sizeof(myline));
myline[sizeof(myline)-1] = '\0';
clean_up_string(myline);
s = myline;
j = k = -1;
count = 0;
/* Look for boolean flippers */
for (i=0; as[i].string != NULL; i++)
{
if ((Bool == as[i].param_type) &&
strncasecmp(s, as[i].string, strlen(s)) == 0)
{
count++;
j = i;
}
}
/* Look for abbreviations */
for (i=0; user_command[i].s != NULL; i++)
{
if (strncasecmp(s, user_command[i].s, strlen(s)) == 0)
{
count++;
k = i;
}
}
if (count > 1)
{
printf("Ambiguous command. Type \"!help\" or \"!variables\"\n");
return -1;
}
else if (count == 1)
{
/* flip boolean value */
if (j >= 0)
{
setival(as[j], (0 == ival(as[j])));
printf("%s turned %s.\n", as[j].description, (ival(as[j]))? "on" : "off");
return 0;
}
else
{
/* Found an abbreviated command, but it wasn't a boolean */
/* Replace the abbreviated command by the full one */
/* Basically, this just fixes !v and !h for use below. */
strcpy(s, user_command[k].s);
}
}
if (strcmp(s, "variables") == 0)
{
printf(" Variable Controls Value\n");
printf(" -------- -------- -----\n");
for (i = 0; as[i].string != NULL; i++)
{
printf(" ");
left_print_string(stdout, as[i].string, " ");
left_print_string(stdout, as[i].description,
" ");
if (Float == as[i].param_type)
{
/* Float point print! */
printf("%5.2f", *((double *)as[i].ptr));
}
else
if ((Bool == as[i].param_type) || Int == as[i].param_type)
{
printf("%5d", ival(as[i]));
}
else
if (String == as[i].param_type)
{
printf("%s", *(char **)as[i].ptr);
}
if (Bool == as[i].param_type)
{
if (ival(as[i])) printf(" (On)"); else printf(" (Off)");
}
printf("\n");
}
printf("\n");
printf("Toggle a boolean variable as in \"!batch\"; ");
printf("set a variable as in \"!width=100\".\n");
return 0;
}
if (strcmp(s, "help") == 0)
{
printf("Special commands always begin with \"!\". Command and variable names\n");
printf("can be abbreviated. Here is a list of the commands:\n\n");
for (i=0; user_command[i].s != NULL; i++) {
printf(" !");
left_print_string(stdout, user_command[i].s, " ");
left_print_string(stdout, user_command[i].str, " ");
printf("\n");
}
printf(" !!<string> Print all the dictionary words that matches <string>.\n");
printf(" A wildcard * may be used to find multiple matches.\n");
printf("\n");
printf(" !<var> Toggle the specified boolean variable.\n");
printf(" !<var>=<val> Assign that value to that variable.\n");
return 0;
}
if (s[0] == '!')
{
dict_display_word_info(dict, s+1, opts);
dict_display_word_expr(dict, s+1, opts);
return 0;
}
#ifdef USE_REGEX_TOKENIZER
if (s[0] == '/')
{
int rc = regex_tokenizer_test(dict, s+1);
if (0 != rc) printf("regex_tokenizer_test: rc %d\n", rc);
return 0;
}
#endif
/* Test here for an equation i.e. does the command line hold an equals sign? */
for (x=s; (*x != '=') && (*x != '\0') ; x++)
;
if (*x == '=')
{
*x = '\0';
y = x+1;
x = s;
/* now x is the first word and y is the rest */
/* Figure out which command it is .. it'll be the j'th one */
j = -1;
for (i=0; as[i].string != NULL; i++)
{
if (strncasecmp(x, as[i].string, strlen(x)) == 0)
{
j = i;
count ++;
}
}
if (j<0)
{
printf("There is no user variable called \"%s\".\n", x);
return -1;
}
if (count > 1)
{
printf("Ambiguous variable. Type \"!help\" or \"!variables\"\n");
return -1;
}
if ((as[j].param_type == Int) || (as[j].param_type == Bool))
{
int val = -1;
if (is_numerical_rhs(y)) val = atoi(y);
if ((0 == strcasecmp(y, "true")) || (0 == strcasecmp(y, "t"))) val = 1;
if ((0 == strcasecmp(y, "false")) || (0 == strcasecmp(y, "f"))) val = 0;
if (val < 0)
{
printf("Invalid value %s for variable %s Type \"!help\" or \"!variables\"\n", y, as[j].string);
return -1;
}
setival(as[j], val);
printf("%s set to %d\n", as[j].string, val);
return 0;
}
else
if (as[j].param_type == Float)
{
double val = -1.0;
val = atof(y);
if (val < 0.0)
{
printf("Invalid value %s for variable %s Type \"!help\" or \"!variables\"\n", y, as[j].string);
return -1;
}
*((double *) as[j].ptr) = val;
printf("%s set to %5.2f\n", as[j].string, val);
return 0;
}
else
if (as[j].param_type == String)
{
*((char **) as[j].ptr) = y;
printf("%s set to %s\n", (char *)as[j].string, y);
return 0;
}
else
{
printf("Internal error: Unknown variable type %d\n", as[j].param_type);
return -1;
}
}
/* Look for valid commands, but ones that needed an argument */
j = -1;
count = 0;
for (i = 0; as[i].string != NULL; i++)
{
if ((Bool != as[i].param_type) &&
strncasecmp(s, as[i].string, strlen(s)) == 0)
{
j = i;
count++;
}
}
if (0 < count)
{
printf("Variable \"%s\" requires a value. Try \"!help\".\n", as[j].string);
return -1;
}
printf("I can't interpret \"%s\" as a command. Try \"!help\".\n", myline);
return -1;
}
void x_issue_special_command(char * line, Parse_Options opts, Dictionary dict) {
char *s, myline[1000], *x, *y;
int i, count, j, k;
Switch * as = default_switches;
strncpy(myline, line, sizeof(myline));
myline[sizeof(myline)-1] = '\0';
clean_up_string(myline);
s = myline;
j = k = -1;
count = 0;
for (i=0; as[i].string != NULL; i++) {
if (as[i].isboolean && strncasecmp(s, as[i].string, strlen(s)) == 0) {
count++;
j = i;
}
}
for (i=0; user_command[i].s != NULL; i++) {
if (strncasecmp(s, user_command[i].s, strlen(s)) == 0) {
count++;
k = i;
}
}
if (count > 1) {
printf("Ambiguous command. Type \"!help\" or \"!variables\"\n");
return;
}
else if (count == 1) {
if (j >= 0) {
*as[j].p = !(*as[j].p);
printf("%s turned %s.\n", as[j].description, (*as[j].p)? "on" : "off");
return;
}
else {
/* replace the abbreviated command by the full one */
strcpy(s, user_command[k].s);
}
}
if (strcmp(s, "variables")==0) {
printf(" Variable Controls Feature_value\n");
printf(" -------- -------- -----\n");
for (i=0; as[i].string != NULL; i++) {
printf(" ");
left_print_string(stdout, as[i].string, " ");
left_print_string(stdout, as[i].description, " ");
printf("%5d", *as[i].p);
if (as[i].isboolean) {
if (*as[i].p) printf(" (On)"); else printf(" (Off)");
}
printf("\n");
}
printf("\n");
printf("Toggle a boolean variable as in \"!batch\"; ");
printf("set a variable as in \"!width=100\".\n");
return;
}
if (strcmp(s, "help")==0) {
printf("Special commands always begin with \"!\". Command and variable names\n");
printf("can be abbreviated. Here is a list of the commands:\n\n");
for (i=0; user_command[i].s != NULL; i++) {
printf(" !");
left_print_string(stdout, user_command[i].s, " ");
left_print_string(stdout, user_command[i].str, " ");
printf("\n");
}
printf(" !!<string> Print all the dictionary words matching <string>.\n");
printf(" Also print the number of disjuncts of each.\n");
printf("\n");
printf(" !<var> Toggle the specified boolean variable.\n");
printf(" !<var>=<val> Assign that value to that variable.\n");
return;
}
if(s[0] == '!') {
dict_display_word_info(dict, s+1);
return;
}
/* test here for an equation */
for (x=s; (*x != '=') && (*x != '\0') ; x++)
;
if (*x == '=') {
*x = '\0';
y = x+1;
x = s;
/* now x is the first word and y is the rest */
if (is_numerical_rhs(y)) {
for (i=0; as[i].string != NULL; i++) {
if (strcmp(x, as[i].string) == 0) break;
}
if (as[i].string == NULL) {
printf("There is no user variable called \"%s\".\n", x);
} else {
*(as[i].p) = atoi(y);
printf("%s set to %d\n", x, atoi(y));
}
return;
}
}
printf("I can't interpret \"%s\" as a command. Try \"!help\".\n", myline);
}