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mirror of https://github.com/irssi/irssi.git synced 2024-11-03 04:27:19 -05:00

Added namespaces for perl scripts.

You can unload scripts with /UNLOAD <name>.

Running scripts that are already loaded, destroys the old script from
memory.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@588 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2000-08-12 01:24:40 +00:00 committed by cras
parent 32851fcfe3
commit 31984127a8

View File

@ -31,6 +31,7 @@
#include "modules.h"
#include "signals.h"
#include "commands.h"
#include "misc.h"
extern void xs_init(void);
@ -58,6 +59,7 @@ typedef struct {
static GHashTable *first_signals, *last_signals;
static GSList *perl_timeouts;
static GSList *perl_scripts;
static PerlInterpreter *irssi_perl_interp;
static int signal_grabbed, siglast_grabbed;
@ -67,7 +69,7 @@ static void sig_lastsignal(void *signal, ...);
static void perl_signal_destroy(PERL_SIGNAL_REC *rec)
{
GHashTable *table;
GSList *siglist;
GSList **siglist;
void *signal_idp;
g_return_if_fail(rec != NULL);
@ -78,9 +80,11 @@ static void perl_signal_destroy(PERL_SIGNAL_REC *rec)
siglist = g_hash_table_lookup(table, signal_idp);
if (siglist == NULL) return;
siglist = g_slist_remove(siglist, rec);
g_hash_table_remove(table, signal_idp);
if (siglist != NULL) g_hash_table_insert(table, signal_idp, siglist);
*siglist = g_slist_remove(*siglist, rec);
if (*siglist == NULL) {
g_free(siglist);
g_hash_table_remove(table, signal_idp);
}
if (!rec->last && signal_grabbed && g_hash_table_size(first_signals) == 0) {
signal_grabbed = FALSE;
@ -112,53 +116,113 @@ static void perl_timeout_destroy(PERL_TIMEOUT_REC *rec)
static void irssi_perl_start(void)
{
/* stolen from xchat, thanks :) */
char *args[] = {"", "-e", "0"};
char load_file[] =
"sub load_file()\n"
"{\n"
" (my $file_name) = @_;\n"
" open FH, $file_name or return \"File not found: $file_name\";\n"
char eval_file_code[] =
"package Irssi::Load;\n"
"\n"
"use Symbol qw(delete_package);\n"
"\n"
"sub eval_file {\n"
" my ($filename, $id) = @_;\n"
" my $package = \"Irssi::Script::$id\";\n"
" delete_package($package);\n"
"\n"
" local *FH;\n"
" open FH, $filename or die \"File not found: $filename\";\n"
" local($/) = undef;\n"
" $file = <FH>;\n"
" my $sub = <FH>;\n"
" close FH;\n"
" eval $file;\n"
" eval $file if $@;\n"
" return $@ if $@;\n"
"\n"
" my $eval = qq{package $package; sub handler { $sub; }};\n"
" {\n"
" # hide our variables within this block\n"
" my ($filename, $package, $sub);\n"
" eval $eval;\n"
" }\n"
" die $@ if $@;\n"
"\n"
" eval {$package->handler;};\n"
" die $@ if $@;\n"
"}";
first_signals = g_hash_table_new((GHashFunc) g_direct_hash, (GCompareFunc) g_direct_equal);
last_signals = g_hash_table_new((GHashFunc) g_direct_hash, (GCompareFunc) g_direct_equal);
first_signals = g_hash_table_new((GHashFunc) g_direct_hash,
(GCompareFunc) g_direct_equal);
last_signals = g_hash_table_new((GHashFunc) g_direct_hash,
(GCompareFunc) g_direct_equal);
perl_timeouts = NULL;
irssi_perl_interp = perl_alloc();
perl_construct(irssi_perl_interp);
perl_parse(irssi_perl_interp, xs_init, 3, args, NULL);
perl_eval_pv(load_file, TRUE);
perl_eval_pv(eval_file_code, TRUE);
}
static void signal_destroy_hash(void *key, GSList *list)
static int signal_destroy_hash(void *key, GSList **list, const char *package)
{
while (list != NULL) {
PERL_SIGNAL_REC *rec = list->data;
GSList *tmp, *next;
int len;
len = package == NULL ? 0 : strlen(package);
for (tmp = *list; tmp != NULL; tmp = next) {
PERL_SIGNAL_REC *rec = tmp->data;
next = tmp->next;
if (package != NULL && strncmp(rec->func, package, len) != 0)
continue;
if (strncmp(rec->signal, "command ", 8) == 0)
command_unbind(rec->signal+8, NULL);
list = g_slist_remove(list, rec);
*list = g_slist_remove(*list, rec);
g_free(rec->signal);
g_free(rec->func);
g_free(rec);
}
if (*list != NULL)
return FALSE;
g_free(list);
return TRUE;
}
static int perl_script_destroy(const char *name)
{
GSList *tmp;
char *package;
int package_len;
if (gslist_find_string(perl_scripts, name) == NULL)
return FALSE;
package = g_strdup_printf("Irssi::Script::%s::", name);
package_len = strlen(package);
g_hash_table_foreach_remove(first_signals,
(GHRFunc) signal_destroy_hash, package);
g_hash_table_foreach_remove(last_signals,
(GHRFunc) signal_destroy_hash, package);
for (tmp = perl_timeouts; tmp != NULL; tmp = tmp->next) {
PERL_TIMEOUT_REC *rec = tmp->data;
if (strncmp(rec->func, package, package_len) == 0)
perl_timeout_destroy(rec);
}
g_free(package);
return TRUE;
}
static void irssi_perl_stop(void)
{
g_hash_table_foreach(first_signals, (GHFunc) signal_destroy_hash, NULL);
g_hash_table_foreach(first_signals,
(GHFunc) signal_destroy_hash, NULL);
g_hash_table_destroy(first_signals);
g_hash_table_foreach(last_signals, (GHFunc) signal_destroy_hash, NULL);
g_hash_table_foreach(last_signals,
(GHFunc) signal_destroy_hash, NULL);
g_hash_table_destroy(last_signals);
first_signals = last_signals = NULL;
@ -175,44 +239,58 @@ static void irssi_perl_stop(void)
while (perl_timeouts != NULL)
perl_timeout_destroy(perl_timeouts->data);
g_slist_foreach(perl_scripts, (GFunc) g_free, NULL);
g_slist_free(perl_scripts);
perl_scripts = NULL;
perl_destruct(irssi_perl_interp);
perl_free(irssi_perl_interp);
irssi_perl_interp = NULL;
}
static void cmd_run(char *data)
static void cmd_run(const char *data)
{
dSP;
struct stat statbuf;
char *fname;
char *fname, *name, *p;
int retcount;
/* add .pl suffix if it's missing */
data = (strlen(data) <= 3 || strcmp(data+strlen(data)-3, ".pl") == 0) ?
g_strdup(data) : g_strdup_printf("%s.pl", data);
if (g_path_is_absolute(data)) {
/* whole path specified */
fname = g_strdup(data);
} else {
/* add .pl suffix if it's missing */
name = (strlen(data) <= 3 || strcmp(data+strlen(data)-3, ".pl") == 0) ?
g_strdup(data) : g_strdup_printf("%s.pl", data);
/* check from ~/.irssi/scripts/ */
fname = g_strdup_printf("%s/.irssi/scripts/%s", g_get_home_dir(), data);
fname = g_strdup_printf("%s/.irssi/scripts/%s", g_get_home_dir(), name);
if (stat(fname, &statbuf) != 0) {
/* check from SCRIPTDIR */
g_free(fname),
fname = g_strdup_printf(SCRIPTDIR"/%s", data);
fname = g_strdup_printf(SCRIPTDIR"/%s", name);
}
g_free(name);
}
g_free(data);
/* get script name */
name = g_strdup(g_basename(fname));
p = strrchr(name, '.');
if (p != NULL) *p = '\0';
perl_script_destroy(name);
perl_scripts = g_slist_append(perl_scripts, g_strdup(name));
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(newSVpv(fname, strlen(fname)))); g_free(fname);
XPUSHs(sv_2mortal(newSVpv(name, strlen(name)))); g_free(name);
PUTBACK;
retcount = perl_call_pv("load_file", G_EVAL|G_SCALAR);
retcount = perl_call_pv("Irssi::Load::eval_file",
G_EVAL|G_SCALAR);
SPAGAIN;
if (SvTRUE(ERRSV)) {
@ -233,12 +311,19 @@ static void cmd_run(char *data)
LEAVE;
}
static void cmd_flush(const char *data)
static void cmd_unload(const char *data)
{
if (perl_script_destroy(data))
signal_stop();
}
static void cmd_perlflush(const char *data)
{
irssi_perl_stop();
irssi_perl_start();
}
#if 0
static int perl_signal_find(const char *signal, const char *func, int last)
{
GHashTable *table;
@ -260,31 +345,43 @@ static int perl_signal_find(const char *signal, const char *func, int last)
return FALSE;
}
#endif
/* returns the package who called us */
static char *perl_get_package(void)
{
STRLEN n_a;
perl_eval_pv("($package) = caller;", TRUE);
return SvPV(perl_get_sv("package", FALSE), n_a);
}
static void perl_signal_to(const char *signal, const char *func, int last)
{
PERL_SIGNAL_REC *rec;
GHashTable *table;
GSList *siglist;
GSList **siglist;
void *signal_idp;
if (perl_signal_find(signal, func, last))
return;
/*if (perl_signal_find(signal, func, last))
return;*/
rec = g_new(PERL_SIGNAL_REC, 1);
rec->signal_id = signal_get_uniq_id(signal);
rec->signal = g_strdup(signal);
rec->func = g_strdup(func);
rec->func = g_strdup_printf("%s::%s", perl_get_package(), func);
rec->last = last;
table = last ? last_signals : first_signals;
signal_idp = GINT_TO_POINTER(rec->signal_id);
siglist = g_hash_table_lookup(table, signal_idp);
if (siglist != NULL) g_hash_table_remove(table, signal_idp);
if (siglist == NULL) {
siglist = g_new0(GSList *, 1);
g_hash_table_insert(table, signal_idp, siglist);
}
siglist = g_slist_append(siglist, rec);
g_hash_table_insert(table, signal_idp, siglist);
*siglist = g_slist_append(*siglist, rec);
if (!last && !signal_grabbed) {
signal_grabbed = TRUE;
@ -305,27 +402,31 @@ void perl_signal_add_last(const char *signal, const char *func)
perl_signal_to(signal, func, TRUE);
}
static void perl_signal_remove_list(GSList *list, const char *func)
static void perl_signal_remove_list(GSList **list, const char *func)
{
while (list != NULL) {
PERL_SIGNAL_REC *rec = list->data;
GSList *tmp;
g_return_if_fail(list != NULL);
for (tmp = *list; tmp != NULL; tmp = tmp->next) {
PERL_SIGNAL_REC *rec = tmp->data;
if (strcmp(func, rec->func) == 0) {
perl_signal_destroy(rec);
break;
}
list = list->next;
}
}
void perl_signal_remove(const char *signal, const char *func)
{
GSList *list;
GSList **list;
char *fullfunc;
int signal_id;
signal_id = signal_get_uniq_id(signal);
fullfunc = g_strdup_printf("%s::%s", perl_get_package(), func);
list = g_hash_table_lookup(first_signals, GINT_TO_POINTER(signal_id));
if (list != NULL)
perl_signal_remove_list(list, func);
@ -333,6 +434,7 @@ void perl_signal_remove(const char *signal, const char *func)
list = g_hash_table_lookup(last_signals, GINT_TO_POINTER(signal_id));
if (list != NULL) perl_signal_remove_list(list, func);
}
g_free(fullfunc);
}
static int perl_timeout(PERL_TIMEOUT_REC *rec)
@ -370,7 +472,7 @@ int perl_timeout_add(int msecs, const char *func, const char *data)
PERL_TIMEOUT_REC *rec;
rec = g_new(PERL_TIMEOUT_REC, 1);
rec->func = g_strdup(func);
rec->func = g_strdup_printf("%s::%s", perl_get_package(), func);
rec->data = g_strdup(data);
rec->tag = g_timeout_add(msecs, (GSourceFunc) perl_timeout, rec);
@ -503,20 +605,19 @@ static int call_perl(const char *func, int signal, va_list va)
static void sig_signal(void *signal, ...)
{
GSList *list;
GSList **list, *tmp;
va_list va;
va_start(va, signal);
list = g_hash_table_lookup(first_signals, signal);
while (list != NULL) {
PERL_SIGNAL_REC *rec = list->data;
for (tmp = list == NULL ? NULL : *list; tmp != NULL; tmp = tmp->next) {
PERL_SIGNAL_REC *rec = tmp->data;
if (call_perl(rec->func, GPOINTER_TO_INT(signal), va)) {
signal_stop();
return;
break;
}
list = list->next;
}
va_end(va);
@ -524,20 +625,19 @@ static void sig_signal(void *signal, ...)
static void sig_lastsignal(void *signal, ...)
{
GSList *list;
GSList **list, *tmp;
va_list va;
va_start(va, signal);
list = g_hash_table_lookup(last_signals, signal);
while (list != NULL) {
PERL_SIGNAL_REC *rec = list->data;
for (tmp = list == NULL ? NULL : *list; tmp != NULL; tmp = tmp->next) {
PERL_SIGNAL_REC *rec = tmp->data;
if (call_perl(rec->func, GPOINTER_TO_INT(signal), va)) {
signal_stop();
return;
break;
}
list = list->next;
}
va_end(va);
@ -569,8 +669,11 @@ static void irssi_perl_autorun(void)
void irssi_perl_init(void)
{
perl_scripts = NULL;
command_bind("run", NULL, (SIGNAL_FUNC) cmd_run);
command_bind("perlflush", NULL, (SIGNAL_FUNC) cmd_flush);
command_bind_first("unload", NULL, (SIGNAL_FUNC) cmd_unload);
command_bind("perlflush", NULL, (SIGNAL_FUNC) cmd_perlflush);
signal_grabbed = siglast_grabbed = FALSE;
perl_destruct_level = 1;
@ -585,5 +688,6 @@ void irssi_perl_deinit(void)
if (signal_grabbed) signal_remove("signal", (SIGNAL_FUNC) sig_signal);
if (siglast_grabbed) signal_remove("last signal", (SIGNAL_FUNC) sig_lastsignal);
command_unbind("run", (SIGNAL_FUNC) cmd_run);
command_unbind("perlflush", (SIGNAL_FUNC) cmd_flush);
command_unbind("unload", (SIGNAL_FUNC) cmd_unload);
command_unbind("perlflush", (SIGNAL_FUNC) cmd_perlflush);
}