1 files changed, 156 insertions, 0 deletions
diff --git a/qt/src/qdbusmisc.cpp b/qt/src/qdbusmisc.cpp
new file mode 100644
index 00000000..9aaf9f24
--- /dev/null
+++ b/qt/src/qdbusmisc.cpp
@@ -0,0 +1,156 @@
+/* qdbusmisc.cpp Miscellaneous routines that didn't fit anywhere else
+ *
+ * Copyright (C) 2006 Trolltech AS. All rights reserved.
+ *    Author: Thiago Macieira <thiago.macieira@trolltech.com>
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <string.h>
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qmetaobject.h>
+
+#include "qdbusconnection_p.h"
+#include "qdbustypehelper_p.h"
+
+bool qDBusCheckAsyncTag(const char *tag)
+{
+    if (!tag || !*tag)
+        return false;
+
+    const char *p = strstr(tag, "async");
+    if (p != NULL &&
+        (p == tag || *(p-1) == ' ') &&
+        (p[5] == '\0' || p[5] == ' '))
+        return true;
+
+    p = strstr(tag, "Q_ASYNC");
+    if (p != NULL &&
+        (p == tag || *(p-1) == ' ') &&
+        (p[7] == '\0' || p[7] == ' '))
+        return true;
+
+    return false;
+}
+
+int qDBusNameToTypeId(const char *name)
+{
+    int id = static_cast<int>( QVariant::nameToType(name) );
+    if (id == QVariant::UserType)
+        id = QMetaType::type(name);
+
+    switch (id) {
+    case QVariant::Bool:
+    case QVariant::Int:
+    case QVariant::UInt:
+    case QVariant::Char:
+    case QMetaType::Short:
+    case QMetaType::UShort:
+    case QMetaType::UChar:
+    case QVariant::LongLong:
+    case QVariant::ULongLong:
+    case QVariant::Double:
+    case QVariant::String:
+    case QVariant::Date:
+    case QVariant::Time:
+    case QVariant::DateTime:
+    case QVariant::Map:
+    case QVariant::StringList:
+    case QVariant::ByteArray:
+    case QVariant::List:
+        return id;
+
+    default:
+        if (id == QDBusConnectionPrivate::registerMessageMetaType() ||
+            id == QDBusTypeHelper<QVariant>::id() ||
+            id == QDBusTypeHelper<bool>::listId() ||
+            id == QDBusTypeHelper<short>::listId() ||
+            id == QDBusTypeHelper<ushort>::listId() ||
+            id == QDBusTypeHelper<int>::listId() ||
+            id == QDBusTypeHelper<qlonglong>::listId() ||
+            id == QDBusTypeHelper<qulonglong>::listId() ||
+            id == QDBusTypeHelper<double>::listId())
+            return id;
+
+        return 0;               // invalid
+    }
+}
+
+// calculates the metatypes for the method
+// the slot must have the parameters in the following form:
+//  - zero or more value or const-ref parameters of any kind
+//  - zero or one const ref of QDBusMessage
+//  - zero or more non-const ref parameters
+// No parameter may be a template.
+// this function returns -1 if the parameters don't match the above form
+// this function returns the number of *input* parameters, including the QDBusMessage one if any
+// this function does not check the return type, so metaTypes[0] is always 0 and always present
+// metaTypes.count() >= retval + 1 in all cases
+//
+// sig must be the normalised signature for the method
+int qDBusParametersForMethod(const QMetaMethod &mm, QList<int>& metaTypes)
+{
+    QList<QByteArray> parameterTypes = mm.parameterTypes();
+    metaTypes.clear();
+
+    metaTypes.append(0);        // return type
+    int inputCount = 0;
+    bool seenMessage = false;
+    foreach (QByteArray type, parameterTypes) {
+        if (type.endsWith('*')) {
+            //qWarning("Could not parse the method '%s'", mm.signature());
+            // pointer?
+            return -1;
+        }
+
+        if (type.endsWith('&')) {
+            type.truncate(type.length() - 1);
+            int id = qDBusNameToTypeId(type);
+            if (id == 0) {
+                //qWarning("Could not parse the method '%s'", mm.signature());
+                // invalid type in method parameter list
+                return -1;
+            }
+
+            metaTypes.append( id );
+            seenMessage = true; // it cannot appear anymore anyways
+            continue;
+        }
+
+        if (seenMessage) {      // && !type.endsWith('&')
+            //qWarning("Could not parse the method '%s'", mm.signature());
+            // non-output parameters after message or after output params
+            return -1;          // not allowed
+        }
+
+        int id = qDBusNameToTypeId(type);
+        if (id == 0) {
+            //qWarning("Could not parse the method '%s'", mm.signature());
+            // invalid type in method parameter list
+            return -1;
+        }
+        metaTypes.append(id);
+        ++inputCount;
+
+        if (id == QDBusConnectionPrivate::registerMessageMetaType())
+            seenMessage = true;
+    }
+
+    return inputCount;
+}