/** @brief callback function called on definition of a union in the IDL input file.
*
* Generate code for the following IDL construct:
* @verbatim
=> union <union-name> switch(<switch-type>) {
case label1.1; .. case label1.n;
<union-case-1>;
case label2.1; .. case label2.n;
... ...
case labeln.1; .. case labeln.n;
<union-case-n>;
default:
<union-case-m>;
};
@endverbatim
*
* @param scope Current scope
* @param name Name of the union
* @param unionSpec Specifies the number of union cases and the union switch type
*/
static idl_action
idl_unionOpen(
idl_scope scope,
const char *name,
idl_typeUnion unionSpec,
void *userData)
{
/* Open file for used scope, if needed create the directories */
idl_openJavaPackage(scope, idl_javaId(name));
if (idl_fileCur() == NULL) {
return idl_abort;
}
unionSwitchType = idl_corbaJavaTypeFromTypeSpec(idl_typeUnionSwitchKind(unionSpec));
/* setup iterator to hold case names and correcsponding type names */
map = idl_mapNew(NULL, 1, 1);
/* Write package name */
#if 0
idl_fileOutPrintf(idl_fileCur(), "/*\n");
idl_fileOutPrintf(idl_fileCur(), " * Generated by OpenSpliceDDS "OSPL_VERSION_STR"\n");
idl_fileOutPrintf(idl_fileCur(), " */\n\n");
#endif
if (idl_scopeStackSize(scope) > 0) {
idl_fileOutPrintf(idl_fileCur(), "package %s;\n", idl_scopeStackJava(scope, ".", NULL));
idl_fileOutPrintf(idl_fileCur(), "\n");
}
idl_fileOutPrintf(idl_fileCur(), "import org.opensplice.dds.dcps.Utilities;\n\n");
/* public final class <struct-name> { */
idl_fileOutPrintf(idl_fileCur(), "public final class %s {\n\n", idl_javaId(name));
idl_fileOutPrintf(idl_fileCur(), " private %s _d;\n\n", unionSwitchType);
if(idl_unionHasCase((c_union)idl_typeSpecDef((idl_typeSpec)unionSpec), "discriminator")) {
idl_fileOutPrintf(idl_fileCur(), " public %s _discriminator ()\n", unionSwitchType);
}else {
idl_fileOutPrintf(idl_fileCur(), " public %s discriminator ()\n", unionSwitchType);
}
idl_fileOutPrintf(idl_fileCur(), " {\n");
idl_fileOutPrintf(idl_fileCur(), " return _d;\n");
idl_fileOutPrintf(idl_fileCur(), " }\n\n");
labelsUsedIter = os_iterNew(NULL);
/* return idl_explore to indicate that the rest of the enumeration needs to be processed */
return idl_explore;
}
static void
newMeta(
idl_scope scope,
const char *name,
idl_typeSpec typeSpec)
{
idl_meta meta;
meta = os_malloc(C_SIZEOF(idl_meta));
if (meta) {
meta->scope = idl_scopeDup(scope);
meta->name = os_strdup(name);
if (idl_typeSpecType(typeSpec) == idl_ttypedef) {
meta->actual_name = idl_typeSpecName(idl_typeDefActual(idl_typeDef(typeSpec)));
} else {
meta->actual_name = idl_typeSpecName(typeSpec);
}
meta->type = idl_typeSpecDef(typeSpec);
}
idlpp_metaList = os_iterAppend(idlpp_metaList, meta);
}