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#define OWL_PERL
#include "owl.h"
#include <stdio.h>
extern XS(boot_BarnOwl);
extern XS(boot_DynaLoader);
/* extern XS(boot_DBI); */
void owl_perl_xs_init(pTHX) /* noproto */
{
const char *file = __FILE__;
dXSUB_SYS;
{
newXS("BarnOwl::bootstrap", boot_BarnOwl, file);
newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
}
}
CALLER_OWN SV *owl_new_sv(const char * str)
{
SV *ret = newSVpv(str, 0);
if (is_utf8_string((const U8 *)str, strlen(str))) {
SvUTF8_on(ret);
} else {
char *escape = owl_escape_highbit(str);
owl_function_error("Internal error! Non-UTF-8 string encountered:\n%s", escape);
g_free(escape);
}
return ret;
}
CALLER_OWN AV *owl_new_av(const GPtrArray *l, SV *(*to_sv)(const void *))
{
AV *ret;
int i;
void *element;
ret = newAV();
for (i = 0; i < l->len; i++) {
element = l->pdata[i];
av_push(ret, to_sv(element));
}
return ret;
}
CALLER_OWN HV *owl_new_hv(const owl_dict *d, SV *(*to_sv)(const void *))
{
HV *ret;
GPtrArray *keys;
const char *key;
void *element;
int i;
ret = newHV();
/* TODO: add an iterator-like interface to owl_dict */
keys = owl_dict_get_keys(d);
for (i = 0; i < keys->len; i++) {
key = keys->pdata[i];
element = owl_dict_find_element(d, key);
(void)hv_store(ret, key, strlen(key), to_sv(element), 0);
}
owl_ptr_array_free(keys, g_free);
return ret;
}
CALLER_OWN SV *owl_perlconfig_message2hashref(const owl_message *m)
{
HV *h, *stash;
SV *hr;
const char *type;
char *ptr, *utype, *blessas;
const char *f;
int i;
const owl_pair *pair;
const owl_filter *wrap;
if (!m) return &PL_sv_undef;
wrap = owl_global_get_filter(&g, "wordwrap");
if(!wrap) {
owl_function_error("wrap filter is not defined");
return &PL_sv_undef;
}
h = newHV();
#define MSG2H(h,field) (void)hv_store(h, #field, strlen(#field), \
owl_new_sv(owl_message_get_##field(m)), 0)
if (owl_message_is_type_zephyr(m) && owl_message_is_direction_in(m)) {
/* Handle zephyr-specific fields... */
AV *av_zfields = newAV();
if (owl_message_get_notice(m)) {
for (f = owl_zephyr_first_raw_field(owl_message_get_notice(m)); f != NULL;
f = owl_zephyr_next_raw_field(owl_message_get_notice(m), f)) {
ptr = owl_zephyr_field_as_utf8(owl_message_get_notice(m), f);
av_push(av_zfields, owl_new_sv(ptr));
g_free(ptr);
}
(void)hv_store(h, "auth", strlen("auth"),
owl_new_sv(owl_zephyr_get_authstr(owl_message_get_notice(m))), 0);
} else {
/* Incoming zephyrs without a ZNotice_t are pseudo-logins. To appease
* existing styles, put in bogus 'auth' and 'fields' keys. */
(void)hv_store(h, "auth", strlen("auth"), owl_new_sv("NO"), 0);
}
(void)hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0);
}
for (i = 0; i < m->attributes->len; i++) {
pair = m->attributes->pdata[i];
(void)hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)),
owl_new_sv(owl_pair_get_value(pair)),0);
}
MSG2H(h, type);
MSG2H(h, direction);
MSG2H(h, class);
MSG2H(h, instance);
MSG2H(h, sender);
MSG2H(h, realm);
MSG2H(h, recipient);
MSG2H(h, opcode);
MSG2H(h, hostname);
MSG2H(h, body);
MSG2H(h, login);
MSG2H(h, zsig);
MSG2H(h, zwriteline);
if (owl_message_get_header(m)) {
MSG2H(h, header);
}
(void)hv_store(h, "time", strlen("time"), owl_new_sv(owl_message_get_timestr(m)),0);
(void)hv_store(h, "unix_time", strlen("unix_time"), newSViv(m->time), 0);
(void)hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0);
(void)hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0);
(void)hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0);
(void)hv_store(h, "should_wordwrap",
strlen("should_wordwrap"), newSViv(
owl_filter_message_match(wrap, m)),0);
type = owl_message_get_type(m);
if(!type || !*type) type = "generic";
utype = g_strdup(type);
utype[0] = toupper(type[0]);
blessas = g_strdup_printf("BarnOwl::Message::%s", utype);
hr = newRV_noinc((SV*)h);
stash = gv_stashpv(blessas,0);
if(!stash) {
owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m));
stash = gv_stashpv("BarnOwl::Message", 1);
}
hr = sv_bless(hr,stash);
g_free(utype);
g_free(blessas);
return hr;
}
CALLER_OWN SV *owl_perlconfig_curmessage2hashref(void)
{
int curmsg;
const owl_view *v;
v=owl_global_get_current_view(&g);
if (owl_view_get_size(v) < 1) {
return &PL_sv_undef;
}
curmsg=owl_global_get_curmsg(&g);
return owl_perlconfig_message2hashref(owl_view_get_element(v, curmsg));
}
/* XXX TODO: Messages should round-trip properly between
message2hashref and hashref2message. Currently we lose
zephyr-specific properties stored in the ZNotice_t
*/
CALLER_OWN owl_message *owl_perlconfig_hashref2message(SV *msg)
{
owl_message * m;
HE * ent;
I32 len;
const char *key,*val;
HV * hash;
struct tm tm;
hash = (HV*)SvRV(msg);
m = g_slice_new(owl_message);
owl_message_init(m);
hv_iterinit(hash);
while((ent = hv_iternext(hash))) {
key = hv_iterkey(ent, &len);
val = SvPV_nolen(hv_iterval(hash, ent));
if(!strcmp(key, "type")) {
owl_message_set_type(m, val);
} else if(!strcmp(key, "direction")) {
owl_message_set_direction(m, owl_message_parse_direction(val));
} else if(!strcmp(key, "private")) {
SV * v = hv_iterval(hash, ent);
if(SvTRUE(v)) {
owl_message_set_isprivate(m);
}
} else if (!strcmp(key, "hostname")) {
owl_message_set_hostname(m, val);
} else if (!strcmp(key, "zwriteline")) {
owl_message_set_zwriteline(m, val);
} else if (!strcmp(key, "time")) {
g_free(m->timestr);
m->timestr = g_strdup(val);
strptime(val, "%a %b %d %T %Y", &tm);
m->time = mktime(&tm);
} else {
owl_message_set_attribute(m, key, val);
}
}
if(owl_message_is_type_admin(m)) {
if(!owl_message_get_attribute_value(m, "adminheader"))
owl_message_set_attribute(m, "adminheader", "");
}
return m;
}
/* Calls in a scalar context, passing it a hash reference.
If return value is non-null, caller must free. */
CALLER_OWN char *owl_perlconfig_call_with_message(const char *subname, const owl_message *m)
{
SV *msgref, *rv;
char *out = NULL;
msgref = owl_perlconfig_message2hashref(m);
OWL_PERL_CALL((call_pv(subname, G_SCALAR|G_EVAL))
,
XPUSHs(sv_2mortal(msgref));
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv && SvPOK(rv))
out = g_strdup(SvPV_nolen(rv));
);
return out;
}
/* Calls a method on a perl object representing a message.
If the return value is non-null, the caller must free it.
*/
CALLER_OWN char *owl_perlconfig_message_call_method(const owl_message *m, const char *method, int argc, const char **argv)
{
SV *msgref, *rv;
char *out = NULL;
int i;
msgref = owl_perlconfig_message2hashref(m);
OWL_PERL_CALL(call_method(method, G_SCALAR|G_EVAL)
,
XPUSHs(sv_2mortal(msgref));
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv && SvPOK(rv))
out = g_strdup(SvPV_nolen(rv));
);
return out;
}
/* caller must free result, if not NULL */
CALLER_OWN char *owl_perlconfig_initperl(const char *file, int *Pargc, char ***Pargv, char ***Penv)
{
int ret;
PerlInterpreter *p;
char *err;
const char *args[4] = {"", "-e", "0;", NULL};
const char *dlerr;
AV *inc;
char *path;
/* create and initialize interpreter */
PERL_SYS_INIT3(Pargc, Pargv, Penv);
p=perl_alloc();
owl_global_set_perlinterp(&g, p);
perl_construct(p);
PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
owl_global_set_no_have_config(&g);
ret=perl_parse(p, owl_perl_xs_init, 2, (char **)args, NULL);
if (ret || SvTRUE(ERRSV)) {
err=g_strdup(SvPV_nolen(ERRSV));
sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
ret=perl_run(p);
if (ret || SvTRUE(ERRSV)) {
err=g_strdup(SvPV_nolen(ERRSV));
sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
owl_global_set_have_config(&g);
/* create legacy variables */
get_sv("BarnOwl::id", TRUE);
get_sv("BarnOwl::class", TRUE);
get_sv("BarnOwl::instance", TRUE);
get_sv("BarnOwl::recipient", TRUE);
get_sv("BarnOwl::sender", TRUE);
get_sv("BarnOwl::realm", TRUE);
get_sv("BarnOwl::opcode", TRUE);
get_sv("BarnOwl::zsig", TRUE);
get_sv("BarnOwl::msg", TRUE);
get_sv("BarnOwl::time", TRUE);
get_sv("BarnOwl::host", TRUE);
get_av("BarnOwl::fields", TRUE);
if(file) {
SV * cfg = get_sv("BarnOwl::configfile", TRUE);
sv_setpv(cfg, file);
}
sv_setpv(get_sv("BarnOwl::VERSION", TRUE), version);
/* Add the system lib path to @INC */
inc = get_av("INC", 0);
path = g_build_filename(owl_get_datadir(), "lib", NULL);
av_unshift(inc, 1);
av_store(inc, 0, owl_new_sv(path));
g_free(path);
/* Load up perl-Glib. */
eval_pv("use Glib;", FALSE);
/* Now, before BarnOwl tries to use them, get the relevant function pointers out. */
dlerr = owl_closure_init();
if (dlerr) {
return g_strdup(dlerr);
}
/* And now it's safe to import BarnOwl. */
eval_pv("use BarnOwl;", FALSE);
if (SvTRUE(ERRSV)) {
err=g_strdup(SvPV_nolen(ERRSV));
sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
/* check if we have the formatting function */
if (owl_perlconfig_is_function("BarnOwl::format_msg")) {
owl_global_set_config_format(&g, 1);
}
return(NULL);
}
/* returns whether or not a function exists */
int owl_perlconfig_is_function(const char *fn) {
if (get_cv(fn, FALSE)) return(1);
else return(0);
}
/* caller is responsible for freeing returned string */
CALLER_OWN char *owl_perlconfig_execute(const char *line)
{
STRLEN len;
SV *response;
char *out;
if (!owl_global_have_config(&g)) return NULL;
ENTER;
SAVETMPS;
/* execute the subroutine */
response = eval_pv(line, FALSE);
if (SvTRUE(ERRSV)) {
owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV));
sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */
}
out = g_strdup(SvPV(response, len));
FREETMPS;
LEAVE;
return(out);
}
void owl_perlconfig_getmsg(const owl_message *m, const char *subname)
{
char *ptr = NULL;
if (owl_perlconfig_is_function("BarnOwl::Hooks::_receive_msg")) {
ptr = owl_perlconfig_call_with_message(subname?subname
:"BarnOwl::_receive_msg_legacy_wrap", m);
}
g_free(ptr);
}
/* Called on all new messages; receivemsg is only called on incoming ones */
void owl_perlconfig_newmsg(const owl_message *m, const char *subname)
{
char *ptr = NULL;
if (owl_perlconfig_is_function("BarnOwl::Hooks::_new_msg")) {
ptr = owl_perlconfig_call_with_message(subname?subname
:"BarnOwl::Hooks::_new_msg", m);
}
g_free(ptr);
}
void owl_perlconfig_new_command(const char *name)
{
OWL_PERL_CALL(call_pv("BarnOwl::Hooks::_new_command", G_VOID|G_EVAL);
,
XPUSHs(sv_2mortal(owl_new_sv(name)));
,
"Perl Error: '%s'"
,
false
,
true
,
);
}
CALLER_OWN char *owl_perlconfig_perl_call(const char *method, int argc, const char *const *argv)
{
SV *rv;
char *out = NULL;
int i;
OWL_PERL_CALL(call_pv(method, G_SCALAR|G_EVAL)
,
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv && SvPOK(rv))
out = g_strdup(SvPV_nolen(rv));
);
return out;
}
int owl_perlconfig_perl_call_int(const char *method, int argc, const char *const *argv)
{
SV *rv;
int ret = -1;
int i;
OWL_PERL_CALL(call_pv(method, G_SCALAR|G_EVAL)
,
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv && SvIOK(rv))
ret = SvIV(rv);
);
return ret;
}
bool owl_perlconfig_perl_call_bool(const char *method, int argc, const char *const *argv)
{
SV *rv;
bool ret = false;
int i;
OWL_PERL_CALL(call_pv(method, G_SCALAR|G_EVAL)
,
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv)
ret = SvTRUE(rv);
);
return ret;
}
void owl_perlconfig_perl_call_norv(const char *method, int argc, const char *const *argv)
{
int i;
OWL_PERL_CALL(call_pv(method, G_DISCARD|G_EVAL)
,
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
true
,
);
}
/* caller must free the result */
CALLER_OWN char *owl_perlconfig_perlcmd(const owl_cmd *cmd, int argc, const char *const *argv)
{
int i;
SV* rv;
char *out = NULL;
OWL_PERL_CALL(call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL)
,
OWL_PERL_PUSH_ARGS(i, argc, argv);
,
"Perl Error: '%s'"
,
false
,
false
,
rv = POPs;
if (rv && SvPOK(rv))
out = g_strdup(SvPV_nolen(rv));
);
return out;
}
void owl_perlconfig_cmd_cleanup(owl_cmd *cmd)
{
SvREFCNT_dec(cmd->cmd_perl);
}
void owl_perlconfig_edit_callback(owl_editwin *e, bool success)
{
SV *cb = owl_editwin_get_cbdata(e);
SV *text = owl_new_sv(owl_editwin_get_text(e));
if (cb == NULL) {
owl_function_error("Perl callback is NULL!");
return;
}
OWL_PERL_CALL(call_sv(cb, G_DISCARD|G_EVAL)
,
XPUSHs(sv_2mortal(text));
XPUSHs(sv_2mortal(newSViv(success)));
,
"Perl Error: '%s'"
,
false
,
true
,
);
}
void owl_perlconfig_dec_refcnt(void *data)
{
SV *v = data;
SvREFCNT_dec(v);
}