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generalize command matching loop

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This commit is contained in:
Jfreegman 2013-11-10 13:23:47 -05:00
parent 5a7f26cfea
commit bc4e089a65
6 changed files with 81 additions and 79 deletions
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4
src/chat_commands.c
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@ -11,11 +11,11 @@
#include "toxic_windows.h"
#include "misc_tools.h"
#include "chat_commands.h"
#include "execute.h"
extern uint8_t pending_grp_requests[MAX_FRIENDS_NUM][TOX_CLIENT_ID_SIZE];
void cmd_help(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
void cmd_chat_help(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
{
wattron(window, COLOR_PAIR(CYAN) | A_BOLD);
wprintw(window, "Chat commands:\n");

24
src/chat_commands.h
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@ -2,22 +2,8 @@
* Toxic -- Tox Curses Client
*/
/* commands */
void cmd_help(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_groupinvite(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_join_group(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_savefile(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_sendfile(WINDOW *window, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
#define CHAT_NUM_COMMANDS 5
static struct {
char *name;
void (*func)(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
} chat_commands[] = {
{ "/help", cmd_help },
{ "/invite", cmd_groupinvite },
{ "/join", cmd_join_group },
{ "/savefile", cmd_savefile },
{ "/sendfile", cmd_sendfile },
};
void cmd_chat_help(WINDOW *w, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_groupinvite(WINDOW *w, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_join_group(WINDOW *w, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_savefile(WINDOW *w, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_sendfile(WINDOW *w, ToxWindow *chatwin, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);

87
src/execute.c
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@ -6,13 +6,45 @@
#include <string.h>
#include "toxic_windows.h"
#include "global_commands.h"
#include "chat_commands.h"
#include "execute.h"
#include "chat_commands.h"
#include "global_commands.h"
struct cmd_func {
const char *name;
void (*func)(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
};
#define GLOBAL_NUM_COMMANDS 12
static struct cmd_func global_commands[] = {
{ "/accept", cmd_accept },
{ "/add", cmd_add },
{ "/clear", cmd_clear },
{ "/connect", cmd_connect },
{ "/exit", cmd_quit },
{ "/groupchat", cmd_groupchat },
{ "/myid", cmd_myid },
{ "/nick", cmd_nick },
{ "/note", cmd_note },
{ "/q", cmd_quit },
{ "/quit", cmd_quit },
{ "/status", cmd_status },
};
#define CHAT_NUM_COMMANDS 5
static struct cmd_func chat_commands[] = {
{ "/help", cmd_chat_help },
{ "/invite", cmd_groupinvite },
{ "/join", cmd_join_group },
{ "/savefile", cmd_savefile },
{ "/sendfile", cmd_sendfile },
};
/* Parses input command and puts args into arg array.
Returns number of arguments on success, -1 on failure. */
static int parse_command(WINDOW *window, char *cmd, char (*args)[MAX_STR_SIZE])
static int parse_command(WINDOW *w, char *cmd, char (*args)[MAX_STR_SIZE])
{
int num_args = 0;
bool cmd_end = false; // flags when we get to the end of cmd
@ -24,7 +56,7 @@ static int parse_command(WINDOW *window, char *cmd, char (*args)[MAX_STR_SIZE])
end = strchr(cmd+1, '\"');
if (end++ == NULL) { /* Increment past the end quote */
wprintw(window, "Invalid argument. Did you forget a closing \"?\n");
wprintw(w, "Invalid argument. Did you forget a closing \"?\n");
return -1;
}
@ -45,43 +77,48 @@ static int parse_command(WINDOW *window, char *cmd, char (*args)[MAX_STR_SIZE])
return num_args;
}
void execute(WINDOW *window, ToxWindow *prompt, Tox *m, char *cmd, int mode)
/* Matches command to respective function. Returns 0 on match, 1 on no match */
static int do_command(WINDOW *w, ToxWindow *prompt, Tox *m, int num_args,
int num_cmds, struct cmd_func *commands, char (*args)[MAX_STR_SIZE])
{
int i;
for (i = 0; i < num_cmds; ++i) {
if (strcmp(args[0], commands[i].name) == 0) {
(commands[i].func)(w, prompt, m, num_args-1, args);
return 0;
}
}
return 1;
}
void execute(WINDOW *w, ToxWindow *prompt, Tox *m, char *cmd, int mode)
{
if (string_is_empty(cmd))
return;
char args[MAX_NUM_ARGS][MAX_STR_SIZE] = {0};
int num_args = parse_command(window, cmd, args);
int num_args = parse_command(w, cmd, args);
if (num_args == -1)
return;
/* Attempt to match input to command functions. If non-global command mode is specified,
try the specified mode's commands first, then upon failure try global commands.
TODO: Generalize command matching loop in a separate function */
int i;
/* Try to match input command to command functions. If non-global command mode is specified,
try specified mode's commands first, then upon failure try global commands. */
switch(mode) {
case CHAT_COMMAND_MODE:
for (i = 0; i < CHAT_NUM_COMMANDS; ++i) {
if (strcmp(args[0], chat_commands[i].name) == 0) {
(chat_commands[i].func)(window, prompt, m, num_args-1, args);
return;
}
}
if (do_command(w, prompt, m, num_args, CHAT_NUM_COMMANDS, chat_commands, args) == 0)
return;
break;
case GROUPCHAT_COMMAND_MODE:
break;
}
for (i = 0; i < GLOBAL_NUM_COMMANDS; ++i) {
if (strcmp(args[0], global_commands[i].name) == 0) {
(global_commands[i].func)(window, prompt, m, num_args-1, args);
return;
}
}
if (do_command(w, prompt, m, num_args, GLOBAL_NUM_COMMANDS, global_commands, args) == 0)
return;
wprintw(window, "Invalid command.\n");
wprintw(w, "Invalid command.\n");
}

2
src/execute.h
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@ -10,4 +10,4 @@ enum {
GROUPCHAT_COMMAND_MODE,
};
void execute(WINDOW *window, ToxWindow *prompt, Tox *m, char *cmd, int mode);
void execute(WINDOW *w, ToxWindow *prompt, Tox *m, char *cmd, int mode);

2
src/global_commands.c
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@ -11,7 +11,7 @@
#include "toxic_windows.h"
#include "misc_tools.h"
#include "global_commands.h"
#include "execute.h"
extern char *DATA_FILE;

41
src/global_commands.h
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@ -2,34 +2,13 @@
* Toxic -- Tox Curses Client
*/
/* commands */
void cmd_accept(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_add(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_clear(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_connect(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_groupchat(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_myid(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_nick(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_note(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_quit(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
void cmd_status(WINDOW *, ToxWindow *, Tox *m, int, char (*argv)[MAX_STR_SIZE]);
#define GLOBAL_NUM_COMMANDS 12
static struct {
char *name;
void (*func)(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
} global_commands[] = {
{ "/accept", cmd_accept },
{ "/add", cmd_add },
{ "/clear", cmd_clear },
{ "/connect", cmd_connect },
{ "/exit", cmd_quit },
{ "/groupchat", cmd_groupchat },
{ "/myid", cmd_myid },
{ "/nick", cmd_nick },
{ "/note", cmd_note },
{ "/q", cmd_quit },
{ "/quit", cmd_quit },
{ "/status", cmd_status },
};
void cmd_accept(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_add(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_clear(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_connect(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_groupchat(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_myid(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_nick(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_note(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_quit(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
void cmd_status(WINDOW *, ToxWindow *, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);