PJS_EXTERN SV *
PJS_CallPerlMethod(
pTHX_
JSContext *cx,
const char *method,
...
) {
dSP;
va_list ap;
SV *arg, *ret;
PJS_Context *pcx = PJS_GET_CONTEXT(cx);
ENTER;
SAVETMPS;
PUSHMARK(SP);
sv_setiv(save_scalar(PJS_Context_SV), PTR2IV(pcx));
va_start(ap, method);
while( (arg = va_arg(ap, SV*)) ) XPUSHs(arg);
va_end(ap);
PUTBACK;
call_method(method, G_SCALAR | G_EVAL);
ret = newSVsv(*PL_stack_sp--);
FREETMPS;
LEAVE;
if (SvTRUE(ERRSV)) {
sv_free(ret); // Don't want leaks
propagate2JS(aTHX_ pcx, NULL);
return NULL;
}
return sv_2mortal(ret);
}
void
Application_init( Handle self, HV * profile)
{
dPROFILE;
int hintPause = pget_i( hintPause);
Color hintColor = pget_i( hintColor), hintBackColor = pget_i( hintBackColor);
SV * hintFont = pget_sv( hintFont);
SV * sv;
char * hintClass = pget_c( hintClass);
if ( application != nilHandle)
croak( "Attempt to create more than one application instance");
CDrawable-> init( self, profile);
list_create( &var-> widgets, 16, 16);
list_create( &var-> modalHorizons, 0, 8);
application = self;
if ( !apc_application_create( self))
croak( "Error creating application");
/* Widget init */
SvHV_Font( pget_sv( font), &Font_buffer, "Application::init");
my-> set_font( self, Font_buffer);
SvHV_Font( pget_sv( popupFont), &Font_buffer, "Application::init");
my-> set_popup_font( self, Font_buffer);
{
AV * av = ( AV *) SvRV( pget_sv( designScale));
SV ** holder = av_fetch( av, 0, 0);
if ( holder)
var-> designScale. x = SvNV( *holder);
else
warn("Array panic on 'designScale'");
holder = av_fetch( av, 1, 0);
if ( holder)
var-> designScale. y = SvNV( *holder);
else
warn("Array panic on 'designScale'");
pdelete( designScale);
}
var-> text = duplicate_string("");
opt_set( optModalHorizon);
/* store extra info */
{
HV * hv = ( HV *) SvRV( var-> mate);
(void) hv_store( hv, "PrinterClass", 12, newSVpv( pget_c( printerClass), 0), 0);
(void) hv_store( hv, "PrinterModule", 13, newSVpv( pget_c( printerModule), 0), 0);
(void) hv_store( hv, "HelpClass", 9, newSVpv( pget_c( helpClass), 0), 0);
(void) hv_store( hv, "HelpModule", 10, newSVpv( pget_c( helpModule), 0), 0);
}
{
HV * profile = newHV();
static Timer_vmt HintTimerVmt;
pset_H( owner, self);
pset_i( timeout, hintPause);
pset_c( name, "HintTimer");
var-> hintTimer = create_instance( "Prima::Timer");
protect_object( var-> hintTimer);
hv_clear( profile);
memcpy( &HintTimerVmt, CTimer, sizeof( HintTimerVmt));
HintTimerVmt. handle_event = Application_HintTimer_handle_event;
(( PTimer) var-> hintTimer)-> self = &HintTimerVmt;
pset_H( owner, self);
pset_i( color, hintColor);
pset_i( backColor, hintBackColor);
pset_i( visible, 0);
pset_i( selectable, 0);
pset_i( showHint, 0);
pset_c( name, "HintWidget");
pset_sv( font, hintFont);
var-> hintWidget = create_instance( hintClass);
protect_object( var-> hintWidget);
sv_free(( SV *) profile);
}
if ( SvTYPE( sv = pget_sv( accelItems)) != SVt_NULL)
my-> set_accelItems( self, sv);
if ( SvTYPE( sv = pget_sv( popupItems)) != SVt_NULL)
my-> set_popupItems( self, sv);
pdelete( accelTable);
pdelete( accelItems);
pdelete( popupItems);
my-> set( self, profile);
CORE_INIT_TRANSIENT(Application);
}
static PFontABC
query_abc_range( Handle self, TextWrapRec * t, unsigned int base)
{
PFontABC abc;
/* find if present in cache */
if ( t-> utf8_text) {
if ( *(t-> unicode)) {
int i;
PList p;
if (( p = *(t-> unicode)))
for ( i = 0; i < p-> count; i += 2)
if (( unsigned int) p-> items[ i] == base)
return ( PFontABC) p-> items[i + 1];
}
} else
if ( *( t-> ascii)) return *(t-> ascii);
/* query ABC information */
if ( !self) {
abc = apc_gp_get_font_abc( self, base * 256, base * 256 + 255, t-> utf8_text);
if ( !abc) return nil;
} else if ( my-> get_font_abc == Drawable_get_font_abc) {
gpARGS;
gpENTER(nil);
abc = apc_gp_get_font_abc( self, base * 256, base * 256 + 255, t-> utf8_text);
gpLEAVE;
if ( !abc) return nil;
} else {
SV * sv;
if ( !( abc = malloc( 256 * sizeof( FontABC)))) return nil;
sv = my-> get_font_abc( self, base * 256, base * 256 + 255, t-> utf8_text);
if ( SvOK( sv) && SvROK( sv) && SvTYPE( SvRV( sv)) == SVt_PVAV) {
AV * av = ( AV*) SvRV( sv);
int i, j = 0, n = av_len( av) + 1;
if ( n > 256 * 3) n = 256 * 3;
n = ( n / 3) * 3;
if ( n < 256) memset( abc, 0, 256 * sizeof( FontABC));
for ( i = 0; i < n; i += 3) {
SV ** holder = av_fetch( av, i, 0);
if ( holder) abc[j]. a = ( float) SvNV( *holder);
holder = av_fetch( av, i + 1, 0);
if ( holder) abc[j]. b = ( float) SvNV( *holder);
holder = av_fetch( av, i + 2, 0);
if ( holder) abc[j]. c = ( float) SvNV( *holder);
j++;
}
} else
memset( abc, 0, 256 * sizeof( FontABC));
sv_free( sv);
}
/* store in cache */
if ( t-> utf8_text) {
PList p;
if ( !*(t-> unicode))
*(t-> unicode) = plist_create( 8, 8);
if (( p = *(t-> unicode))) {
list_add( p, ( Handle) base);
list_add( p, ( Handle) abc);
} else {
free( abc);
return nil;
}
} else
*(t-> ascii) = abc;
return abc;
}
int
main(int argc, char *argv[])
{
int rc = 0;
const char* data_file = NULL;
FILE *fh = NULL;
sv *t = NULL;
sv2c_data c;
size_t data_file_len;
char sep = '\t'; /* default is TSV */
program = "example";
if(argc != 2) {
fprintf(stderr, "USAGE: %s [SV FILE]\n", program);
rc = 1;
goto tidy;
}
data_file = (const char*)argv[1];
if(access(data_file, R_OK)) {
fprintf(stderr, "%s: Failed to find data file %s\n",
program, data_file);
rc = 1;
goto tidy;
}
fh = fopen(data_file, "r");
if(!fh) {
fprintf(stderr, "%s: Failed to read data file %s: %s\n",
program, data_file, strerror(errno));
rc = 1;
goto tidy;
}
memset(&c, '\0', sizeof(c));
c.filename = data_file;
c.count = 0;
c.line = NULL;
c.out = stdout;
data_file_len = strlen(data_file);
if(data_file_len > 4) {
if(!strcmp(data_file + data_file_len - 3, "csv"))
sep = ',';
else if(!strcmp(data_file + data_file_len - 3, "tsv"))
sep = '\t';
}
c.sep = sep;
t = sv_init(&c, NULL, sv2c_fields_callback, sep);
if(!t) {
fprintf(stderr, "%s: Failed to init SV library", program);
rc = 1;
goto tidy;
}
sv_set_option(t, SV_OPTION_LINE_CALLBACK, sv2c_line_callback);
while(!feof(fh)) {
char buffer[1024];
size_t len = fread(buffer, 1, sizeof(buffer), fh);
if(sv_parse_chunk(t, buffer, len))
break;
}
fclose(fh);
fh = NULL;
if(c.line)
free(c.line);
tidy:
if(t)
sv_free(t);
if(fh) {
fclose(fh);
fh = NULL;
}
return rc;
}
/* Wrap a JS value to export into perl
* Returns a new SV, REFCNT_dec is caller's responsability
*/
JSBool
PJS_ReflectJS2Perl(
pTHX_
JSContext *cx,
jsval value,
SV** sv,
int full
) {
if(JSVAL_IS_PRIMITIVE(value)) {
*sv = PrimJSVALToSV(aTHX_ cx, value);
if(*sv) return JS_TRUE;
}
else if(JSVAL_IS_OBJECT(value)) {
PJS_Context *pcx = PJS_GET_CONTEXT(cx);
JSObject *object = JSVAL_TO_OBJECT(value);
JSClass *clasp = PJS_GET_CLASS(cx, object);
const char *classname = clasp->name;
JSObject *passport;
SV *wrapper;
SV *box;
char hkey[32];
jsval temp = JSVAL_VOID;
snprintf(hkey, 32, "%p", (void *)object);
PJS_DEBUG2("Wrapping a %s(%s)\n", classname, hkey);
if(PJS_getFlag(pcx, "ConvertRegExp") && strEQ(classname, "RegExp")) {
jsval src;
char *str;
if(JS_CallFunctionName(cx, object, "toSource", 0, NULL, &src) &&
(str = JS_GetStringBytes(JS_ValueToString(cx, src))) )
{
dSP;
SV *tmp = newSVpvf("qr%s", str);
eval_sv(tmp, G_SCALAR);
sv_free(tmp); // Don't leak
SPAGAIN;
tmp = POPs;
PUTBACK;
if(!SvTRUE(ERRSV)) {
*sv = SvREFCNT_inc_simple_NN(tmp);
return JS_TRUE;
}
}
return JS_FALSE;
}
if(IS_PERL_CLASS(clasp)) {
/* IS_PERL_CLASS means actual perl object is there */
SV *priv = (SV *)JS_GetPrivate(cx, object);
if(priv && SvOK(priv) && SvROK(priv)) {
*sv = SvREFCNT_inc_simple_NN(priv);
return JS_TRUE;
}
croak("A private %s?!\n", classname);
return JS_FALSE;
}
/* Common JSObject case */
/* Check registered perl visitors */
JS_LookupProperty(cx, pcx->pvisitors, hkey, &temp);
if(temp != JSVAL_VOID) {
/* Already registered, so exits a reference in perl space
* _must_ hold a PASSPORT */
assert(JSVAL_TO_OBJECT(temp) == object);
box = PJS_GetPassport(aTHX_ cx, object);
SvREFCNT_inc_void_NN(box); /* In perl should be one more */
PJS_DEBUG1("Cached!: %s\n", hkey);
} else {
/* Check if with a PASSPORT */
JS_LookupPropertyWithFlags(cx, object, PJS_PASSPORT_PROP, 0, &temp);
if(JSVAL_IS_OBJECT(temp) && (passport = JSVAL_TO_OBJECT(temp)) &&
PJS_GET_CLASS(cx, passport) == &passport_class &&
JS_GetReservedSlot(cx, passport, 0, &temp) &&
object == (JSObject *)JSVAL_TO_PRIVATE(temp)
) { /* Yes, reentering perl */
box = (SV *)JS_GetPrivate(cx, passport);
/* Here we don't increment refcount, the ownership in passport is
* transferred to perl land.
*/
PJS_DEBUG1("Reenter: %s\n", hkey);
}
else { /* No, first time, must wrap the object */
SV *boxref;
const char *package;
SV *robj = newSV(0);
SV *rjsv = newSV(0);
if (JS_ObjectIsFunction(cx, object))
package = PJS_FUNCTION_PACKAGE;
else if(JS_IsArrayObject(cx, object))
package = PJS_ARRAY_PACKAGE;
else if(strEQ(classname, PJS_PACKAGE_CLASS_NAME))
package = PJS_STASH_PACKAGE;
#if JS_HAS_XML_SUPPORT
else if(strEQ(classname, "XML"))
package = PJS_XMLOBJ_PACKAGE;
#endif
else if(strEQ(classname, "Error"))
package = PJS_ERROR_PACKAGE;
else {
SV **sv = hv_fetch(get_hv(NAMESPACE"ClassMap", 1), classname,
strlen(classname), 0);
if(sv) package = SvPV_nolen(*sv);
else package = PJS_OBJECT_PACKAGE;
}
sv_setref_pv(robj, PJS_RAW_OBJECT, (void*)object);
sv_setref_iv(rjsv, PJS_RAW_JSVAL, (IV)value);
boxref = PJS_CallPerlMethod(aTHX_ cx,
"__new",
sv_2mortal(newSVpv(package, 0)), // package
sv_2mortal(robj), // content
sv_2mortal(rjsv), // jsval
NULL
);
if(!boxref) return JS_FALSE;
if(!SvOK(boxref) || !sv_derived_from(boxref, PJS_BOXED_PACKAGE))
croak("PJS_Assert: Contructor must return a "NAMESPACE"Boxed");
/* Create a new PASSPORT */
passport = JS_NewObject(cx, &passport_class, NULL, object);
if(!passport ||
!JS_DefineProperty(cx, object, PJS_PASSPORT_PROP,
OBJECT_TO_JSVAL(passport),
NULL, NULL, JSPROP_READONLY | JSPROP_PERMANENT))
return JS_FALSE;
box = SvRV(boxref);
/* boxref is mortal, so we need to increment its rc, at end of
* scope, PASSPORT owns created box */
JS_SetPrivate(cx, passport, (void *)SvREFCNT_inc_simple_NN(box));
JS_SetReservedSlot(cx, passport, 0, PRIVATE_TO_JSVAL(object));
PJS_DEBUG2("New boxed: %s brc: %d\n", hkey, SvREFCNT(box));
}
/* Root object adding it to pvisitors list, will be unrooted by
* jsc_free_root at Boxed DESTROY time
*/
JS_DefineProperty(cx, pcx->pvisitors, hkey, value, NULL, NULL, 0);
}
/* Here the RC of box in PASSPORT reflects wrapper's ownership */
if(full && PJS_getFlag(pcx, "AutoTie") &&
(strEQ(classname, "Object") || strEQ(classname, "Array"))
) {
/* Return tied */
AV *avbox = (AV *)SvRV(box);
SV **last;
SV *tied;
SV *tier;
if(strEQ(classname, "Array")) {
last = av_fetch(avbox, 6, 1);
if(last && SvOK(*last) && SvROK(*last)) { // Cached
*sv = newSVsv(*last);
sv_free(box); /* Hard copy 'sv' owns the reference */
return JS_TRUE;
}
tied = (SV *)newAV();
} else { // Object
last = av_fetch(avbox, 5, 1);
if(last && SvOK(*last) && SvROK(*last)) { // Cached
*sv = newSVsv(*last);
sv_free(box); /* Hard copy 'sv' owns the reference */
return JS_TRUE;
}
tied = (SV *)newHV();
}
/* hv_magic below own a reference to box, we use an explicit path,
* to make clear that to perl land only one reference is given
*/
tier = newRV_inc(box);
hv_magic((HV *)tied, (GV *)tier, PERL_MAGIC_tied);
sv_free(tier);
wrapper = newRV_noinc(tied); /* Don't leak the hidden tied variable */
/* Save in cache a weaken copy, the cache itself dosn't hold a reference */
sv_setsv(*last, wrapper);
sv_rvweaken(*last);
PJS_DEBUG1("Return tied for %s\n", SvPV_nolen(tier));
}
else {
wrapper = newRV_noinc(box); /* Transfer ownership to wrapper */
#if PERL_VERSION < 9
sv_bless(wrapper, SvSTASH(box));
#endif
}
*sv = wrapper;
return JS_TRUE;
}
return JS_FALSE;
}
/* Converts perl values to equivalent JS values */
JSBool
PJS_ReflectPerl2JS(
pTHX_
JSContext *cx,
JSObject *pobj,
SV *ref,
jsval *rval
) {
PJS_Context *pcx = PJS_GET_CONTEXT(cx);
JSObject *newobj = NULL;
if(++pcx->svconv % 2000 == 0) {
JSErrorReporter older;
ENTER; SAVETMPS; /* Scope for finalizers */
older = JS_SetErrorReporter(cx, NULL);
if(pcx->svconv > 10000) {
JS_GC(cx);
pcx->svconv = 0;
} else JS_MaybeGC(cx);
JS_SetErrorReporter(cx, older);
FREETMPS; LEAVE;
}
if(SvROK(ref)) {
MAGIC *mg;
/* First check old jsvisitors */
if((newobj = PJS_IsPerlVisitor(aTHX_ pcx, SvRV(ref)))) {
PJS_DEBUG("Old jsvisitor returns\n");
*rval = OBJECT_TO_JSVAL(newobj);
return JS_TRUE;
}
if(SvMAGICAL(SvRV(ref)) && (mg = mg_find(SvRV(ref), PERL_MAGIC_tied))
&& mg->mg_obj && sv_derived_from(mg->mg_obj, PJS_BOXED_PACKAGE)) {
PJS_DEBUG1("A magical ref %s, shortcircuit!\n", SvPV_nolen((SV*)mg->mg_obj));
ref = mg->mg_obj;
}
if(sv_derived_from(ref, PJS_BOXED_PACKAGE)) {
SV **fref = av_fetch((AV *)SvRV(SvRV(ref)), 2, 0);
assert(sv_derived_from(*fref, PJS_RAW_JSVAL));
*rval = (jsval)SvIV(SvRV(*fref));
return JS_TRUE;
}
if(sv_derived_from(ref, PJS_BOOLEAN)) {
*rval = SvTRUE(SvRV(ref)) ? JSVAL_TRUE : JSVAL_FALSE;
return JS_TRUE;
}
if(sv_isobject(ref)) {
newobj = PJS_NewPerlObject(aTHX_ cx, pobj, ref);
if(newobj) {
*rval = OBJECT_TO_JSVAL(newobj);
return JS_TRUE;
}
return JS_FALSE;
}
}
SvGETMAGIC(ref);
if(!SvOK(ref)) /* undef */
*rval = JSVAL_VOID;
else if(SvIOK(ref) || SvIOKp(ref)) {
if(SvIV(ref) <= JSVAL_INT_MAX)
*rval = INT_TO_JSVAL(SvIV(ref));
else JS_NewDoubleValue(cx, (double) SvIV(ref), rval);
}
else if(SvNOK(ref))
JS_NewDoubleValue(cx, SvNV(ref), rval);
else if(SvPOK(ref) || SvPOKp(ref)) {
STRLEN len;
char *str;
SV *temp=NULL;
if(SvREADONLY(ref)) {
temp = newSVsv(ref);
str = PJS_SvPV(temp, len);
} else str = PJS_SvPV(ref, len);
JSString *jstr = ((int)len >= 0)
? JS_NewStringCopyN(cx, str, len)
: JS_NewUCStringCopyN(cx, (jschar *)str, -(int)len);
sv_free(temp);
if(!jstr) return JS_FALSE;
*rval = STRING_TO_JSVAL(jstr);
}
else if(SvROK(ref)) { /* Plain reference */
I32 type = SvTYPE(SvRV(ref));
if(type == SVt_PVHV)
newobj = PJS_NewPerlHash(aTHX_ cx, pobj, ref);
else if(type == SVt_PVAV)
newobj = PJS_NewPerlArray(aTHX_ cx, pobj, ref);
else if(type == SVt_PVCV)
newobj = PJS_NewPerlSub(aTHX_ cx, pobj, ref);
else
newobj = PJS_NewPerlScalar(aTHX_ cx, pobj, ref);
if(!newobj) return JS_FALSE;
*rval = OBJECT_TO_JSVAL(newobj);
}
else {
warn("I have no idea what perl send us (it's of type %i), I'll pretend it's undef", SvTYPE(ref));
*rval = JSVAL_VOID;
}
return JS_TRUE;
}
