/*special cloning with type-casting from SF/MF strings to URL conversion since proto URL doesn't exist
as a field type (it's just a stupid encoding trick) */
void VRML_FieldCopyCast(void *dest, u32 dst_field_type, void *orig, u32 ori_field_type)
{
SFURL *url;
char tmp[50];
u32 size, i, sf_type_ori, sf_type_dst;
void *dst_field, *orig_field;
if (!dest || !orig) return;
switch (dst_field_type) {
case GF_SG_VRML_SFSTRING:
if (ori_field_type == GF_SG_VRML_SFURL) {
url = ((SFURL *)orig);
if (url->OD_ID>0) {
sprintf(tmp, "%d", url->OD_ID);
if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = gf_strdup(tmp);
} else {
if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = url->url ? gf_strdup(url->url) : NULL;
}
}
/*for SFString to MFString cast*/
else if (ori_field_type == GF_SG_VRML_SFSTRING) {
if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = ((SFString*)orig)->buffer ? gf_strdup(((SFString*)orig)->buffer) : NULL;
}
return;
case GF_SG_VRML_SFURL:
if (ori_field_type != GF_SG_VRML_SFSTRING) return;
url = ((SFURL *)dest);
url->OD_ID = 0;
if (url->url) gf_free(url->url);
if ( ((SFString*)orig)->buffer)
url->url = gf_strdup(((SFString*)orig)->buffer);
else
url->url = NULL;
return;
case GF_SG_VRML_MFSTRING:
case GF_SG_VRML_MFURL:
break;
default:
return;
}
sf_type_dst = gf_sg_vrml_get_sf_type(dst_field_type);
if (gf_sg_vrml_is_sf_field(ori_field_type)) {
size = 1;
gf_sg_vrml_mf_alloc(dest, dst_field_type, size);
gf_sg_vrml_mf_get_item(dest, dst_field_type, &dst_field, 0);
VRML_FieldCopyCast(dst_field, sf_type_dst, orig, ori_field_type);
return;
}
size = ((GenMFField *)orig)->count;
if (size != ((GenMFField *)dest)->count) gf_sg_vrml_mf_alloc(dest, dst_field_type, size);
sf_type_ori = gf_sg_vrml_get_sf_type(ori_field_type);
//duplicate all items
for (i=0; i<size; i++) {
gf_sg_vrml_mf_get_item(dest, dst_field_type, &dst_field, i);
gf_sg_vrml_mf_get_item(orig, ori_field_type, &orig_field, i);
VRML_FieldCopyCast(dst_field, sf_type_dst, orig_field, sf_type_ori);
}
return;
}
/*special cloning with type-casting from SF/MF strings to URL conversion since proto URL doesn't exist
as a field type (it's just a stupid encoding trick) */
void VRML_FieldCopyCast(void *dest, u32 dst_field_type, void *orig, u32 ori_field_type)
{
SFURL *url;
char tmp[50];
u32 size, i, sf_type_ori, sf_type_dst;
void *dst_field, *orig_field;
if (!dest || !orig) return;
switch (dst_field_type) {
case FT_SFString:
if (ori_field_type == FT_SFURL) {
url = ((SFURL *)orig);
if (url->OD_ID>0) {
sprintf(tmp, "%d", url->OD_ID);
if ( ((SFString*)dest)->buffer) free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = strdup(tmp);
} else {
if ( ((SFString*)dest)->buffer) free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = strdup(url->url);
}
}
/*for SFString to MFString cast*/
else if (ori_field_type == FT_SFString) {
if ( ((SFString*)dest)->buffer) free(((SFString*)dest)->buffer);
((SFString*)dest)->buffer = strdup(((SFString*)orig)->buffer);
}
return;
case FT_SFURL:
if (ori_field_type != FT_SFString) return;
url = ((SFURL *)dest);
url->OD_ID = 0;
if (url->url) free(url->url);
if ( ((SFString*)orig)->buffer)
url->url = strdup(((SFString*)orig)->buffer);
else
url->url = NULL;
return;
case FT_MFString:
case FT_MFURL:
break;
default:
return;
}
sf_type_dst = VRML_GetSFType(dst_field_type);
if (VRML_IsSFField(ori_field_type)) {
size = 1;
VRML_MF_Alloc(dest, dst_field_type, size);
VRML_MF_GetItem(dest, dst_field_type, &dst_field, 0);
VRML_FieldCopyCast(dst_field, sf_type_dst, orig, ori_field_type);
return;
}
size = ((GenMFField *)orig)->count;
VRML_MF_Alloc(dest, dst_field_type, size);
sf_type_ori = VRML_GetSFType(ori_field_type);
//duplicate all items
for (i=0; i<size; i++) {
VRML_MF_GetItem(dest, dst_field_type, &dst_field, i);
VRML_MF_GetItem(orig, ori_field_type, &orig_field, i);
VRML_FieldCopyCast(dst_field, sf_type_dst, orig_field, sf_type_ori);
}
return;
}
