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simplify execute function some more

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This commit is contained in:
Jfreegman 2013-10-23 01:03:18 -04:00
parent 6595e2bce5
commit 72565cdaec
1 changed files with 21 additions and 25 deletions
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46
src/commands.c
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@ -360,43 +360,39 @@ void cmd_status(WINDOW *window, ToxWindow *prompt, Tox *m, int argc, char (*argv
#define MAX_NUM_ARGS 4 /* Includes command */
void execute(WINDOW *window, ToxWindow *prompt, Tox *m, char *u_cmd)
void execute(WINDOW *window, ToxWindow *prompt, Tox *m, char *cmd)
{
char args[MAX_NUM_ARGS][MAX_STR_SIZE];
if (string_is_empty(cmd))
return;
char args[MAX_NUM_ARGS][MAX_STR_SIZE] = {0};
int num_args = 0;
int i = 0;
bool f_end = false;
char *start;
bool cmd_end = false; // flags when we get to the end of cmd
char *end; // points to the end of the current arg
/* Put arguments into args array (characters wrapped in double quotes count as one arg) */
while (u_cmd[i] != '\0' && num_args < MAX_NUM_ARGS) {
start = &u_cmd[i];
while (!cmd_end && num_args < MAX_NUM_ARGS) {
if (*cmd == '\"') {
end = strchr(cmd+1, '\"');
if (*start == '\"') {
while (u_cmd[++i] != '\"') {
if (u_cmd[i] == '\0') {
wprintw(window, "Invalid argument. Did you forget a closing \"?\n");
return;
}
if (end++ == NULL) { /* Increment past the end quote */
wprintw(window, "Invalid command. Did you forget a closing \"?\n");
return;
}
if (u_cmd[++i] == '\0')
f_end = true;
cmd_end = *end == '\0';
} else {
while (u_cmd[i] != ' ') {
if (u_cmd[++i] == '\0') {
f_end = true;
break;
}
}
end = strchr(cmd, ' ');
cmd_end = end == NULL;
}
if (!f_end)
u_cmd[i++] = '\0';
if (!cmd_end)
*end++ = '\0'; /* mark end of current argument */
/* Copy from start to current position */
strcpy(args[num_args++], start);
/* Copy from start of current arg to where we just inserted the null byte */
strcpy(args[num_args++], cmd);
cmd = end;
}
/* match input to command list */