summaryrefslogtreecommitdiffstats
path: root/kexi/plugins/macros/lib/metaparameter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kexi/plugins/macros/lib/metaparameter.cpp')
-rw-r--r--kexi/plugins/macros/lib/metaparameter.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/kexi/plugins/macros/lib/metaparameter.cpp b/kexi/plugins/macros/lib/metaparameter.cpp
new file mode 100644
index 000000000..7f072b2bc
--- /dev/null
+++ b/kexi/plugins/macros/lib/metaparameter.cpp
@@ -0,0 +1,146 @@
+/***************************************************************************
+ * This file is part of the KDE project
+ * copyright (C) 2005 by Sebastian Sauer (mail@dipe.org)
+ * copyright (C) 2005 by Tobi Krebs (tobi.krebs@gmail.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ ***************************************************************************/
+
+#include "metaparameter.h"
+#include "exception.h"
+#include "variable.h"
+
+#include <kdebug.h>
+
+using namespace KoMacro;
+
+namespace KoMacro {
+
+ /**
+ * @internal d-pointer class to be more flexible on future extension of the
+ * functionality without to much risk to break the binary compatibility.
+ */
+ class MetaParameter::Private
+ {
+ public:
+
+ /**
+ * The signatures argument that represents this MetaParameter.
+ * This could be something like "const QString&", "int" or
+ * "QMap &lt; QString, QVariant &gt; ".
+ */
+ QString signatureargument;
+
+ /**
+ * The type of the @a Variable .
+ */
+ MetaParameter::Type type;
+
+ /**
+ * If the @a MetaParameter::Type is a Variant this QVariant::Type
+ * is used to defined what kind of Variant it is.
+ */
+ QVariant::Type varianttype;
+
+ };
+
+}
+
+MetaParameter::MetaParameter(const QString& signatureargument)
+ : KShared()
+ , d( new Private() ) // create the private d-pointer instance.
+{
+ d->type = TypeNone;
+
+ if(! signatureargument.isNull()) {
+ setSignatureArgument( signatureargument );
+ }
+}
+
+MetaParameter::~MetaParameter()
+{
+ delete d;
+}
+
+MetaParameter::Type MetaParameter::type() const
+{
+ return d->type;
+}
+
+const QString MetaParameter::typeName() const
+{
+ switch( d->type ) {
+ case TypeNone:
+ return "None";
+ case TypeVariant:
+ return "Variant";
+ case TypeObject:
+ return "Object";
+ }
+ return QString::null;
+}
+
+void MetaParameter::setType(MetaParameter::Type type)
+{
+ d->type = type;
+ d->varianttype = QVariant::Invalid;
+}
+
+QVariant::Type MetaParameter::variantType() const
+{
+ return d->varianttype;
+}
+
+void MetaParameter::setVariantType(QVariant::Type varianttype)
+{
+ d->type = TypeVariant;
+ d->varianttype = varianttype;
+}
+
+void MetaParameter::setSignatureArgument(const QString& signatureargument)
+{
+ d->signatureargument = signatureargument;
+
+ QString argument = signatureargument;
+ if(argument.startsWith("const")) {
+ argument = argument.mid(5).stripWhiteSpace();
+ }
+
+ if(argument.endsWith("&")) {
+ argument = argument.left( argument.length() - 1 ).stripWhiteSpace();
+ }
+
+ if(argument.isEmpty()) {
+ throw Exception(QString("Empty signature argument passed."));
+ }
+ if(argument == "QVariant") {
+ setVariantType( QVariant::Invalid );
+ }
+
+ QVariant::Type type = argument.isNull() ? QVariant::Invalid : QVariant::nameToType(argument.latin1());
+ if (type != QVariant::Invalid) {
+ setVariantType( type );
+ }
+ else {
+ setType( TypeObject );
+ }
+}
+
+bool MetaParameter::validVariable(KSharedPtr<Variable> variable) const
+{
+ if( type() != variable->type() ) {
+ return false;
+ }
+ return true;
+}