swig/Lib/ruby/rubydef.swg
Logan Johnson 542091e929 Made a change to the type-checking code in SWIG_ConvertPtr() for the Ruby
module, so that the new multiple-inheritance support code will work.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4708 626c5289-ae23-0410-ae9c-e8d60b6d4f22
2003-04-25 20:00:46 +00:00

211 lines
5 KiB
Text

/* rubydef.swg */
#ifdef __cplusplus
extern "C" {
#endif
static VALUE _mSWIG = Qnil;
static VALUE _cSWIG_Pointer = Qnil;
/* Initialize Ruby runtime support */
SWIGRUNTIME(void)
SWIG_InitRuntime(void)
{
if (_mSWIG == Qnil) {
_mSWIG = rb_define_module("SWIG");
}
}
/* Define Ruby class for C type */
SWIGRUNTIME(void)
SWIG_define_class(swig_type_info *type)
{
VALUE klass;
char *klass_name = (char *) malloc(4 + strlen(type->name) + 1);
sprintf(klass_name, "TYPE%s", type->name);
if (NIL_P(_cSWIG_Pointer)) {
_cSWIG_Pointer = rb_define_class_under(_mSWIG, "Pointer", rb_cObject);
rb_undef_method(CLASS_OF(_cSWIG_Pointer), "new");
}
klass = rb_define_class_under(_mSWIG, klass_name, _cSWIG_Pointer);
free((void *) klass_name);
}
/* Create a new pointer object */
SWIGRUNTIME(VALUE)
SWIG_NewPointerObj(void *ptr, swig_type_info *type, int own)
{
char *klass_name;
swig_class *sklass;
VALUE klass;
VALUE obj;
if (!ptr)
return Qnil;
if (type->clientdata) {
sklass = (swig_class *) type->clientdata;
obj = Data_Wrap_Struct(sklass->klass, VOIDFUNC(sklass->mark), (own ? VOIDFUNC(sklass->destroy) : 0), ptr);
} else {
klass_name = (char *) malloc(4 + strlen(type->name) + 1);
sprintf(klass_name, "TYPE%s", type->name);
klass = rb_const_get(_mSWIG, rb_intern(klass_name));
free((void *) klass_name);
obj = Data_Wrap_Struct(klass, 0, 0, ptr);
}
rb_iv_set(obj, "__swigtype__", rb_str_new2(type->name));
return obj;
}
/* Create a new class instance (always owned) */
SWIGRUNTIME(VALUE)
SWIG_NewClassInstance(VALUE klass, swig_type_info *type)
{
VALUE obj;
swig_class *sklass = (swig_class *) type->clientdata;
obj = Data_Wrap_Struct(klass, VOIDFUNC(sklass->mark), VOIDFUNC(sklass->destroy), 0);
rb_iv_set(obj, "__swigtype__", rb_str_new2(type->name));
return obj;
}
/* Get type mangle from class name */
SWIGRUNTIME(char *)
SWIG_MangleStr(VALUE obj)
{
VALUE stype = rb_iv_get(obj, "__swigtype__");
return StringValuePtr(stype);
}
/* Convert a pointer value */
SWIGRUNTIME(int)
SWIG_ConvertPtr(VALUE obj, void **ptr, swig_type_info *ty, int flags)
{
char *c;
swig_type_info *tc;
/* Grab the pointer */
if (NIL_P(obj)) {
*ptr = 0;
return 0;
} else {
Data_Get_Struct(obj, void, *ptr);
}
/* Do type-checking if type info was provided */
if (ty) {
if (ty->clientdata) {
if (rb_obj_is_kind_of(obj, ((swig_class *) (ty->clientdata))->klass)) {
if (*ptr == 0)
rb_raise(rb_eRuntimeError, "This %s already released", ty->str);
return 0;
}
}
if ((c = SWIG_MangleStr(obj)) == NULL) {
if (flags)
rb_raise(rb_eTypeError, "Expected %s", ty->str);
else
return -1;
}
tc = SWIG_TypeCheck(c, ty);
if (!tc) {
if (flags)
rb_raise(rb_eTypeError, "Expected %s", ty->str);
else
return -1;
}
*ptr = SWIG_TypeCast(tc, *ptr);
}
return 0;
}
/* Check convert */
SWIGRUNTIME(int)
SWIG_CheckConvert(VALUE obj, swig_type_info *ty)
{
char *c = SWIG_MangleStr(obj);
if (!c)
return 0;
return SWIG_TypeCheck(c,ty) != 0;
}
/* Pack binary data into a string */
SWIGRUNTIME(char *)
SWIG_PackData(char *c, void *ptr, int sz) {
static char hex[17] = "0123456789abcdef";
int i;
unsigned char *u = (unsigned char *) ptr;
register unsigned char uu;
for (i = 0; i < sz; i++,u++) {
uu = *u;
*(c++) = hex[(uu & 0xf0) >> 4];
*(c++) = hex[uu & 0xf];
}
return c;
}
/* Unpack binary data from a string */
SWIGRUNTIME(char *)
SWIG_UnpackData(char *c, void *ptr, int sz) {
register unsigned char uu = 0;
register int d;
unsigned char *u = (unsigned char *) ptr;
int i;
for (i = 0; i < sz; i++, u++) {
d = *(c++);
if ((d >= '0') && (d <= '9'))
uu = ((d - '0') << 4);
else if ((d >= 'a') && (d <= 'f'))
uu = ((d - ('a'-10)) << 4);
d = *(c++);
if ((d >= '0') && (d <= '9'))
uu |= (d - '0');
else if ((d >= 'a') && (d <= 'f'))
uu |= (d - ('a'-10));
*u = uu;
}
return c;
}
SWIGRUNTIME(VALUE)
SWIG_NewPackedObj(void *ptr, int sz, swig_type_info *type) {
char result[1024];
char *r = result;
if ((2*sz + 1 + strlen(type->name)) > 1000) return 0;
*(r++) = '_';
r = SWIG_PackData(r, ptr, sz);
strcpy(r, type->name);
return rb_str_new2(result);
}
/* Convert a packed value value */
SWIGRUNTIME(void)
SWIG_ConvertPacked(VALUE obj, void *ptr, int sz, swig_type_info *ty, int flags) {
swig_type_info *tc;
char *c;
if (TYPE(obj) != T_STRING) goto type_error;
c = StringValuePtr(obj);
/* Pointer values must start with leading underscore */
if (*c != '_') goto type_error;
c++;
c = SWIG_UnpackData(c, ptr, sz);
if (ty) {
tc = SWIG_TypeCheck(c, ty);
if (!tc) goto type_error;
}
return;
type_error:
if (flags) {
if (ty) {
rb_raise(rb_eTypeError, "Type error. Expected %s", ty->name);
} else {
rb_raise(rb_eTypeError, "Expected a pointer");
}
}
}
#ifdef __cplusplus
}
#endif