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degesch: refactor MODE processing

This commit is contained in:
Přemysl Eric Janouch 2015-06-07 04:41:46 +02:00
parent 9816805ee8
commit 2b258007f0
1 changed files with 33 additions and 51 deletions
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84
degesch.c
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@ -3959,24 +3959,18 @@ irc_handle_kick (struct server *s, const struct irc_message *msg)
struct mode_processor
{
// Inputs to set after initialization:
char **params; ///< Mode string parameters
bool adding; ///< Currently adding modes
char mode_char; ///< Currently processed mode char
// User data:
struct server *s; ///< Server
struct channel *channel; ///< The channel being modified
// Internals:
bool adding; ///< Currently adding modes
char mode_char; ///< Currently processed mode char
};
static void
mode_processor_init (struct mode_processor *self)
{
memset (self, 0, sizeof *self);
}
/// Process a single mode character
typedef bool (*mode_processor_fn) (struct mode_processor *, char);
static const char *
mode_processor_next_param (struct mode_processor *self)
@ -3986,6 +3980,26 @@ mode_processor_next_param (struct mode_processor *self)
return *self->params++;
}
static void
mode_processor_run (struct mode_processor *self,
char **params, mode_processor_fn apply_cb)
{
self->params = params;
const char *mode_string;
while ((mode_string = mode_processor_next_param (self)))
{
self->adding = true;
while ((self->mode_char = *mode_string++))
{
if (self->mode_char == '+') self->adding = true;
else if (self->mode_char == '-') self->adding = false;
else if (!apply_cb (self, self->mode_char))
break;
}
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
@ -4068,15 +4082,11 @@ mode_processor_do_param_never (struct mode_processor *self)
}
static bool
mode_processor_step (struct mode_processor *self, char mode_char)
mode_processor_apply_channel (struct mode_processor *self, char mode_char)
{
struct server *s = self->s;
self->mode_char = mode_char;
if (mode_char == '+') self->adding = true;
else if (mode_char == '-') self->adding = false;
else if (strchr (s->irc_chanuser_modes, mode_char))
if (strchr (s->irc_chanuser_modes, mode_char))
mode_processor_do_user (self);
else if (strchr (s->irc_chanmodes_list, mode_char))
@ -4099,33 +4109,17 @@ static void
irc_handle_mode_channel
(struct server *s, struct channel *channel, char **params)
{
struct mode_processor p;
mode_processor_init (&p);
p.params = params;
p.s = s;
p.channel = channel;
const char *mode_string;
while ((mode_string = mode_processor_next_param (&p)))
{
mode_processor_step (&p, '+');
while (*mode_string)
if (!mode_processor_step (&p, *mode_string++))
break;
}
struct mode_processor p = { .s = s, .channel = channel };
mode_processor_run (&p, params, mode_processor_apply_channel);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static bool
mode_processor_step_user (struct mode_processor *self, char mode_char)
mode_processor_apply_user (struct mode_processor *self, char mode_char)
{
struct server *s = self->s;
if (mode_char == '+') { self->adding = true; return true; }
if (mode_char == '-') { self->adding = false; return true; }
struct str *modes = &s->irc_user_mode;
const char *pos = strchr (modes->str, mode_char);
if (self->adding == !!pos)
@ -4144,20 +4138,8 @@ mode_processor_step_user (struct mode_processor *self, char mode_char)
static void
irc_handle_mode_user (struct server *s, char **params)
{
struct mode_processor p;
mode_processor_init (&p);
p.params = params;
p.s = s;
const char *mode_string;
while ((mode_string = mode_processor_next_param (&p)))
{
mode_processor_step (&p, '+');
while (*mode_string)
if (!mode_processor_step_user (&p, *mode_string++))
break;
}
struct mode_processor p = { .s = s };
mode_processor_run (&p, params, mode_processor_apply_user);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -