/*
 * This file was generated automatically by ExtUtils::ParseXS version 3.40 from the
 * contents of Expando.xs. Do not edit this file, edit Expando.xs instead.
 *
 *    ANY CHANGES MADE HERE WILL BE LOST!
 *
 */

#line 1 "Expando.xs"
#define PERL_NO_GET_CONTEXT
#include "module.h"
#include "expandos.h"

typedef struct {
	PERL_SCRIPT_REC *script;
	SV *func;
} PerlExpando;

static GHashTable *perl_expando_defs;

static char *sig_perl_expando(SERVER_REC *server, void *item, int *free_ret);

static int check_expando_destroy(char *key, PerlExpando *rec,
				 PERL_SCRIPT_REC *script)
{
	if (rec->script == script) {
                expando_destroy(key, sig_perl_expando);
		SvREFCNT_dec(rec->func);
		g_free(key);
		g_free(rec);
		return TRUE;
	}

        return FALSE;
}

static void script_unregister_expandos(PERL_SCRIPT_REC *script)
{
	g_hash_table_foreach_remove(perl_expando_defs,
				    (GHRFunc) check_expando_destroy, script);
}

void perl_expando_init(void)
{
	perl_expando_defs = g_hash_table_new((GHashFunc) g_str_hash,
					     (GCompareFunc) g_str_equal);
	signal_add("script destroyed", (SIGNAL_FUNC) script_unregister_expandos);
}

static void expando_def_destroy(char *key, PerlExpando *rec)
{
	SvREFCNT_dec(rec->func);
	g_free(key);
	g_free(rec);
}

void perl_expando_deinit(void)
{
	signal_remove("script destroyed", (SIGNAL_FUNC) script_unregister_expandos);

	g_hash_table_foreach(perl_expando_defs,
			     (GHFunc) expando_def_destroy, NULL);
	g_hash_table_destroy(perl_expando_defs);
}

static char *perl_expando_event(PerlExpando *rec, SERVER_REC *server,
				WI_ITEM_REC *item, int *free_ret)
{
	dSP;
	char *ret;
	int retcount;

	ENTER;
	SAVETMPS;

	PUSHMARK(SP);
	XPUSHs(sv_2mortal(iobject_bless(server)));
	XPUSHs(sv_2mortal(iobject_bless(item)));
	PUTBACK;

	retcount = perl_call_sv(rec->func, G_EVAL|G_SCALAR);
	SPAGAIN;

	ret = NULL;
	if (SvTRUE(ERRSV)) {
		char *error;
		PERL_SCRIPT_REC *script = rec->script;

		(void) POPs;
		/* call putback before emitting script error signal as that
		 * could manipulate the perl stack. */
		PUTBACK;
		/* make sure we don't get back here */
		if (script != NULL)
			script_unregister_expandos(script);
		/* rec has been freed now */

		error = g_strdup(SvPV_nolen(ERRSV));
		signal_emit("script error", 2, script, error);
		g_free(error);
	} else if (retcount > 0) {
		ret = g_strdup(POPp);
		*free_ret = TRUE;
		PUTBACK;
	}

	FREETMPS;
	LEAVE;

	return ret;
}

static char *sig_perl_expando(SERVER_REC *server, void *item, int *free_ret)
{
        PerlExpando *rec;

	rec = g_hash_table_lookup(perl_expando_defs, current_expando);
	if (rec != NULL)
		return perl_expando_event(rec, server, item, free_ret);
	return NULL;
}

static void expando_signals_add_hash(const char *key, SV *signals)
{
	HV *hv;
        HE *he;
	I32 len;
	const char *argstr;
	ExpandoArg arg;

	if (!is_hvref(signals)) {
		croak("Usage: Irssi::expando_create(key, func, hash)");
		return;
	}

        hv = hvref(signals);
	hv_iterinit(hv);
	while ((he = hv_iternext(hv)) != NULL) {
		SV *argsv = HeVAL(he);
		argstr = SvPV_nolen(argsv);

		if (g_ascii_strcasecmp(argstr, "none") == 0)
			arg = EXPANDO_ARG_NONE;
		else if (g_ascii_strcasecmp(argstr, "server") == 0)
			arg = EXPANDO_ARG_SERVER;
		else if (g_ascii_strcasecmp(argstr, "window") == 0)
			arg = EXPANDO_ARG_WINDOW;
		else if (g_ascii_strcasecmp(argstr, "windowitem") == 0)
			arg = EXPANDO_ARG_WINDOW_ITEM;
		else if (g_ascii_strcasecmp(argstr, "never") == 0)
			arg = EXPANDO_NEVER;
		else {
			croak("Unknown signal type: %s", argstr);
			break;
		}
		expando_add_signal(key, hv_iterkey(he, &len), arg);
	}
}

#line 161 "Expando.c"
#ifndef PERL_UNUSED_VAR
#  define PERL_UNUSED_VAR(var) if (0) var = var
#endif

#ifndef dVAR
#  define dVAR		dNOOP
#endif


/* This stuff is not part of the API! You have been warned. */
#ifndef PERL_VERSION_DECIMAL
#  define PERL_VERSION_DECIMAL(r,v,s) (r*1000000 + v*1000 + s)
#endif
#ifndef PERL_DECIMAL_VERSION
#  define PERL_DECIMAL_VERSION \
	  PERL_VERSION_DECIMAL(PERL_REVISION,PERL_VERSION,PERL_SUBVERSION)
#endif
#ifndef PERL_VERSION_GE
#  define PERL_VERSION_GE(r,v,s) \
	  (PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s))
#endif
#ifndef PERL_VERSION_LE
#  define PERL_VERSION_LE(r,v,s) \
	  (PERL_DECIMAL_VERSION <= PERL_VERSION_DECIMAL(r,v,s))
#endif

/* XS_INTERNAL is the explicit static-linkage variant of the default
 * XS macro.
 *
 * XS_EXTERNAL is the same as XS_INTERNAL except it does not include
 * "STATIC", ie. it exports XSUB symbols. You probably don't want that
 * for anything but the BOOT XSUB.
 *
 * See XSUB.h in core!
 */


/* TODO: This might be compatible further back than 5.10.0. */
#if PERL_VERSION_GE(5, 10, 0) && PERL_VERSION_LE(5, 15, 1)
#  undef XS_EXTERNAL
#  undef XS_INTERNAL
#  if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
#    define XS_EXTERNAL(name) __declspec(dllexport) XSPROTO(name)
#    define XS_INTERNAL(name) STATIC XSPROTO(name)
#  endif
#  if defined(__SYMBIAN32__)
#    define XS_EXTERNAL(name) EXPORT_C XSPROTO(name)
#    define XS_INTERNAL(name) EXPORT_C STATIC XSPROTO(name)
#  endif
#  ifndef XS_EXTERNAL
#    if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
#      define XS_EXTERNAL(name) void name(pTHX_ CV* cv __attribute__unused__)
#      define XS_INTERNAL(name) STATIC void name(pTHX_ CV* cv __attribute__unused__)
#    else
#      ifdef __cplusplus
#        define XS_EXTERNAL(name) extern "C" XSPROTO(name)
#        define XS_INTERNAL(name) static XSPROTO(name)
#      else
#        define XS_EXTERNAL(name) XSPROTO(name)
#        define XS_INTERNAL(name) STATIC XSPROTO(name)
#      endif
#    endif
#  endif
#endif

/* perl >= 5.10.0 && perl <= 5.15.1 */


/* The XS_EXTERNAL macro is used for functions that must not be static
 * like the boot XSUB of a module. If perl didn't have an XS_EXTERNAL
 * macro defined, the best we can do is assume XS is the same.
 * Dito for XS_INTERNAL.
 */
#ifndef XS_EXTERNAL
#  define XS_EXTERNAL(name) XS(name)
#endif
#ifndef XS_INTERNAL
#  define XS_INTERNAL(name) XS(name)
#endif

/* Now, finally, after all this mess, we want an ExtUtils::ParseXS
 * internal macro that we're free to redefine for varying linkage due
 * to the EXPORT_XSUB_SYMBOLS XS keyword. This is internal, use
 * XS_EXTERNAL(name) or XS_INTERNAL(name) in your code if you need to!
 */

#undef XS_EUPXS
#if defined(PERL_EUPXS_ALWAYS_EXPORT)
#  define XS_EUPXS(name) XS_EXTERNAL(name)
#else
   /* default to internal */
#  define XS_EUPXS(name) XS_INTERNAL(name)
#endif

#ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE
#define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params)

/* prototype to pass -Wmissing-prototypes */
STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params);

STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params)
{
    const GV *const gv = CvGV(cv);

    PERL_ARGS_ASSERT_CROAK_XS_USAGE;

    if (gv) {
        const char *const gvname = GvNAME(gv);
        const HV *const stash = GvSTASH(gv);
        const char *const hvname = stash ? HvNAME(stash) : NULL;

        if (hvname)
	    Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params);
        else
	    Perl_croak_nocontext("Usage: %s(%s)", gvname, params);
    } else {
        /* Pants. I don't think that it should be possible to get here. */
	Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
    }
}
#undef  PERL_ARGS_ASSERT_CROAK_XS_USAGE

#define croak_xs_usage        S_croak_xs_usage

#endif

/* NOTE: the prototype of newXSproto() is different in versions of perls,
 * so we define a portable version of newXSproto()
 */
#ifdef newXS_flags
#define newXSproto_portable(name, c_impl, file, proto) newXS_flags(name, c_impl, file, proto, 0)
#else
#define newXSproto_portable(name, c_impl, file, proto) (PL_Sv=(SV*)newXS(name, c_impl, file), sv_setpv(PL_Sv, proto), (CV*)PL_Sv)
#endif /* !defined(newXS_flags) */

#if PERL_VERSION_LE(5, 21, 5)
#  define newXS_deffile(a,b) Perl_newXS(aTHX_ a,b,file)
#else
#  define newXS_deffile(a,b) Perl_newXS_deffile(aTHX_ a,b)
#endif

#line 305 "Expando.c"

XS_EUPXS(XS_Irssi_expando_create); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Irssi_expando_create)
{
    dVAR; dXSARGS;
    if (items != 3)
       croak_xs_usage(cv,  "key, func, signals");
    {
	char *	key = (char *)SvPV_nolen(ST(0))
;
	SV *	func = ST(1)
;
	SV *	signals = ST(2)
;
#line 160 "Expando.xs"
        PerlExpando *rec;
#line 322 "Expando.c"
#line 162 "Expando.xs"
	rec = g_new0(PerlExpando, 1);
	rec->script = perl_script_find_package(perl_get_package());
        rec->func = perl_func_sv_inc(func, perl_get_package());

	expando_create(key, sig_perl_expando, NULL);
	g_hash_table_insert(perl_expando_defs, g_strdup(key), rec);
        expando_signals_add_hash(key, signals);
#line 331 "Expando.c"
    }
    XSRETURN_EMPTY;
}


XS_EUPXS(XS_Irssi_expando_destroy); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_Irssi_expando_destroy)
{
    dVAR; dXSARGS;
    if (items != 1)
       croak_xs_usage(cv,  "name");
    {
	char *	name = (char *)SvPV_nolen(ST(0))
;
#line 174 "Expando.xs"
        gpointer key, value;
#line 348 "Expando.c"
#line 176 "Expando.xs"
	if (g_hash_table_lookup_extended(perl_expando_defs, name, &key, &value)) {
                g_hash_table_remove(perl_expando_defs, name);
		g_free(key);
		SvREFCNT_dec((SV *) value);
	}
	expando_destroy(name, sig_perl_expando);
#line 356 "Expando.c"
    }
    XSRETURN_EMPTY;
}

#ifdef __cplusplus
extern "C"
#endif
XS_EXTERNAL(boot_Irssi__Expando); /* prototype to pass -Wmissing-prototypes */
XS_EXTERNAL(boot_Irssi__Expando)
{
#if PERL_VERSION_LE(5, 21, 5)
    dVAR; dXSARGS;
#else
    dVAR; dXSBOOTARGSXSAPIVERCHK;
#endif
#if (PERL_REVISION == 5 && PERL_VERSION < 9)
    char* file = __FILE__;
#else
    const char* file = __FILE__;
#endif

    PERL_UNUSED_VAR(file);

    PERL_UNUSED_VAR(cv); /* -W */
    PERL_UNUSED_VAR(items); /* -W */
#if PERL_VERSION_LE(5, 21, 5)
    XS_VERSION_BOOTCHECK;
#  ifdef XS_APIVERSION_BOOTCHECK
    XS_APIVERSION_BOOTCHECK;
#  endif
#endif

        (void)newXSproto_portable("Irssi::expando_create", XS_Irssi_expando_create, file, "$$$");
        (void)newXSproto_portable("Irssi::expando_destroy", XS_Irssi_expando_destroy, file, "$");
#if PERL_VERSION_LE(5, 21, 5)
#  if PERL_VERSION_GE(5, 9, 0)
    if (PL_unitcheckav)
        call_list(PL_scopestack_ix, PL_unitcheckav);
#  endif
    XSRETURN_YES;
#else
    Perl_xs_boot_epilog(aTHX_ ax);
#endif
}

