Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 308 insertions, 0 deletions

diff --git a/src/dbus/qdbusxmlgenerator.cpp b/src/dbus/qdbusxmlgenerator.cpp
new file mode 100644
index 0000000000..930290c653
--- /dev/null
+++ b/src/dbus/qdbusxmlgenerator.cpp
@@ -0,0 +1,308 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDBus module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qmetaobject.h>
+#include <QtCore/qstringlist.h>
+
+#include "qdbusinterface_p.h"   // for ANNOTATION_NO_WAIT
+#include "qdbusabstractadaptor_p.h" // for QCLASSINFO_DBUS_*
+#include "qdbusconnection_p.h"  // for the flags
+#include "qdbusmetatype_p.h"
+#include "qdbusmetatype.h"
+#include "qdbusutil_p.h"
+
+#ifndef QT_NO_DBUS
+
+QT_BEGIN_NAMESPACE
+
+extern Q_DBUS_EXPORT QString qDBusGenerateMetaObjectXml(QString interface, const QMetaObject *mo,
+                                                       const QMetaObject *base, int flags);
+
+static inline QString typeNameToXml(const char *typeName)
+{
+    // ### copied from qtextdocument.cpp
+    // ### move this into QtCore at some point
+    QString plain = QLatin1String(typeName);
+    QString rich;
+    rich.reserve(int(plain.length() * 1.1));
+    for (int i = 0; i < plain.length(); ++i) {
+        if (plain.at(i) == QLatin1Char('<'))
+            rich += QLatin1String("&lt;");
+        else if (plain.at(i) == QLatin1Char('>'))
+            rich += QLatin1String("&gt;");
+        else if (plain.at(i) == QLatin1Char('&'))
+            rich += QLatin1String("&amp;");
+        else
+            rich += plain.at(i);
+    }
+    return rich;
+}
+
+// implement the D-Bus org.freedesktop.DBus.Introspectable interface
+// we do that by analysing the metaObject of all the adaptor interfaces
+
+static QString generateInterfaceXml(const QMetaObject *mo, int flags, int methodOffset, int propOffset)
+{
+    QString retval;
+
+    // start with properties:
+    if (flags & (QDBusConnection::ExportScriptableProperties |
+                 QDBusConnection::ExportNonScriptableProperties)) {
+        for (int i = propOffset; i < mo->propertyCount(); ++i) {
+            static const char *accessvalues[] = {0, "read", "write", "readwrite"};
+
+            QMetaProperty mp = mo->property(i);
+
+            if (!((mp.isScriptable() && (flags & QDBusConnection::ExportScriptableProperties)) ||
+                  (!mp.isScriptable() && (flags & QDBusConnection::ExportNonScriptableProperties))))
+                continue;
+
+            int access = 0;
+            if (mp.isReadable())
+                access |= 1;
+            if (mp.isWritable())
+                access |= 2;
+
+            int typeId = qDBusNameToTypeId(mp.typeName());
+            if (!typeId)
+                continue;
+            const char *signature = QDBusMetaType::typeToSignature(typeId);
+            if (!signature)
+                continue;
+
+            retval += QString::fromLatin1("    <property name=\"%1\" type=\"%2\" access=\"%3\"")
+                      .arg(QLatin1String(mp.name()))
+                      .arg(QLatin1String(signature))
+                      .arg(QLatin1String(accessvalues[access]));
+
+            if (QDBusMetaType::signatureToType(signature) == QVariant::Invalid) {
+                const char *typeName = QVariant::typeToName(QVariant::Type(typeId));
+                retval += QString::fromLatin1(">\n      <annotation name=\"com.trolltech.QtDBus.QtTypeName\" value=\"%3\"/>\n    </property>\n")
+                          .arg(typeNameToXml(typeName));
+            } else {
+                retval += QLatin1String("/>\n");
+            }
+        }
+    }
+
+    // now add methods:
+    for (int i = methodOffset; i < mo->methodCount(); ++i) {
+        QMetaMethod mm = mo->method(i);
+        QByteArray signature = mm.signature();
+        int paren = signature.indexOf('(');
+
+        bool isSignal;
+        if (mm.methodType() == QMetaMethod::Signal)
+            // adding a signal
+            isSignal = true;
+        else if (mm.access() == QMetaMethod::Public && (mm.methodType() == QMetaMethod::Slot || mm.methodType() == QMetaMethod::Method))
+            isSignal = false;
+        else
+            continue;           // neither signal nor public slot
+
+        if (isSignal && !(flags & (QDBusConnection::ExportScriptableSignals |
+                                   QDBusConnection::ExportNonScriptableSignals)))
+            continue;           // we're not exporting any signals
+        if (!isSignal && (!(flags & (QDBusConnection::ExportScriptableSlots | QDBusConnection::ExportNonScriptableSlots)) &&
+                          !(flags & (QDBusConnection::ExportScriptableInvokables | QDBusConnection::ExportNonScriptableInvokables))))
+            continue;           // we're not exporting any slots or invokables
+
+        QString xml = QString::fromLatin1("    <%1 name=\"%2\">\n")
+                      .arg(isSignal ? QLatin1String("signal") : QLatin1String("method"))
+                      .arg(QLatin1String(signature.left(paren)));
+
+        // check the return type first
+        int typeId = qDBusNameToTypeId(mm.typeName());
+        if (typeId) {
+            const char *typeName = QDBusMetaType::typeToSignature(typeId);
+            if (typeName) {
+                xml += QString::fromLatin1("      <arg type=\"%1\" direction=\"out\"/>\n")
+                       .arg(typeNameToXml(typeName));
+
+                // do we need to describe this argument?
+                if (QDBusMetaType::signatureToType(typeName) == QVariant::Invalid)
+                    xml += QString::fromLatin1("      <annotation name=\"com.trolltech.QtDBus.QtTypeName.Out0\" value=\"%1\"/>\n")
+                        .arg(typeNameToXml(QVariant::typeToName(QVariant::Type(typeId))));
+            } else
+                continue;
+        }
+        else if (*mm.typeName())
+            continue;           // wasn't a valid type
+
+        QList<QByteArray> names = mm.parameterNames();
+        QList<int> types;
+        int inputCount = qDBusParametersForMethod(mm, types);
+        if (inputCount == -1)
+            continue;           // invalid form
+        if (isSignal && inputCount + 1 != types.count())
+            continue;           // signal with output arguments?
+        if (isSignal && types.at(inputCount) == QDBusMetaTypeId::message)
+            continue;           // signal with QDBusMessage argument?
+        if (isSignal && mm.attributes() & QMetaMethod::Cloned)
+            continue;           // cloned signal?
+
+        int j;
+        bool isScriptable = mm.attributes() & QMetaMethod::Scriptable;
+        for (j = 1; j < types.count(); ++j) {
+            // input parameter for a slot or output for a signal
+            if (types.at(j) == QDBusMetaTypeId::message) {
+                isScriptable = true;
+                continue;
+            }
+
+            QString name;
+            if (!names.at(j - 1).isEmpty())
+                name = QString::fromLatin1("name=\"%1\" ").arg(QLatin1String(names.at(j - 1)));
+
+            bool isOutput = isSignal || j > inputCount;
+
+            const char *signature = QDBusMetaType::typeToSignature(types.at(j));
+            xml += QString::fromLatin1("      <arg %1type=\"%2\" direction=\"%3\"/>\n")
+                   .arg(name)
+                   .arg(QLatin1String(signature))
+                   .arg(isOutput ? QLatin1String("out") : QLatin1String("in"));
+
+            // do we need to describe this argument?
+            if (QDBusMetaType::signatureToType(signature) == QVariant::Invalid) {
+                const char *typeName = QVariant::typeToName( QVariant::Type(types.at(j)) );
+                xml += QString::fromLatin1("      <annotation name=\"com.trolltech.QtDBus.QtTypeName.%1%2\" value=\"%3\"/>\n")
+                       .arg(isOutput ? QLatin1String("Out") : QLatin1String("In"))
+                       .arg(isOutput && !isSignal ? j - inputCount : j - 1)
+                       .arg(typeNameToXml(typeName));
+            }
+        }
+
+        int wantedMask;
+        if (isScriptable)
+            wantedMask = isSignal ? QDBusConnection::ExportScriptableSignals
+                                  : QDBusConnection::ExportScriptableSlots;
+        else
+            wantedMask = isSignal ? QDBusConnection::ExportNonScriptableSignals
+                                  : QDBusConnection::ExportNonScriptableSlots;
+        if ((flags & wantedMask) != wantedMask)
+            continue;
+
+        if (qDBusCheckAsyncTag(mm.tag()))
+            // add the no-reply annotation
+            xml += QLatin1String("      <annotation name=\"" ANNOTATION_NO_WAIT "\""
+                                 " value=\"true\"/>\n");
+
+        retval += xml;
+        retval += QString::fromLatin1("    </%1>\n")
+                  .arg(isSignal ? QLatin1String("signal") : QLatin1String("method"));
+    }
+
+    return retval;
+}
+
+QString qDBusGenerateMetaObjectXml(QString interface, const QMetaObject *mo,
+                                   const QMetaObject *base, int flags)
+{
+    if (interface.isEmpty())
+        // generate the interface name from the meta object
+        interface = qDBusInterfaceFromMetaObject(mo);
+
+    QString xml;
+    int idx = mo->indexOfClassInfo(QCLASSINFO_DBUS_INTROSPECTION);
+    if (idx >= mo->classInfoOffset())
+        return QString::fromUtf8(mo->classInfo(idx).value());
+    else
+        xml = generateInterfaceXml(mo, flags, base->methodCount(), base->propertyCount());
+
+    if (xml.isEmpty())
+        return QString();       // don't add an empty interface
+    return QString::fromLatin1("  <interface name=\"%1\">\n%2  </interface>\n")
+        .arg(interface, xml);
+}
+#if 0
+QString qDBusGenerateMetaObjectXml(QString interface, const QMetaObject *mo, const QMetaObject *base,
+                                   int flags)
+{
+    if (interface.isEmpty()) {
+        // generate the interface name from the meta object
+        int idx = mo->indexOfClassInfo(QCLASSINFO_DBUS_INTERFACE);
+        if (idx >= mo->classInfoOffset()) {
+            interface = QLatin1String(mo->classInfo(idx).value());
+        } else {
+            interface = QLatin1String(mo->className());
+            interface.replace(QLatin1String("::"), QLatin1String("."));
+
+            if (interface.startsWith(QLatin1String("QDBus"))) {
+                interface.prepend(QLatin1String("com.trolltech.QtDBus."));
+            } else if (interface.startsWith(QLatin1Char('Q')) &&
+                       interface.length() >= 2 && interface.at(1).isUpper()) {
+                // assume it's Qt
+                interface.prepend(QLatin1String("com.trolltech.Qt."));
+            } else if (!QCoreApplication::instance()||
+                       QCoreApplication::instance()->applicationName().isEmpty()) {
+                interface.prepend(QLatin1String("local."));
+            } else {
+                interface.prepend(QLatin1Char('.')).prepend(QCoreApplication::instance()->applicationName());
+                QStringList domainName =
+                    QCoreApplication::instance()->organizationDomain().split(QLatin1Char('.'),
+                                                                             QString::SkipEmptyParts);
+                if (domainName.isEmpty())
+                    interface.prepend(QLatin1String("local."));
+                else
+                    for (int i = 0; i < domainName.count(); ++i)
+                        interface.prepend(QLatin1Char('.')).prepend(domainName.at(i));
+            }
+        }
+    }
+
+    QString xml;
+    int idx = mo->indexOfClassInfo(QCLASSINFO_DBUS_INTROSPECTION);
+    if (idx >= mo->classInfoOffset())
+        return QString::fromUtf8(mo->classInfo(idx).value());
+    else
+        xml = generateInterfaceXml(mo, flags, base->methodCount(), base->propertyCount());
+
+    if (xml.isEmpty())
+        return QString();       // don't add an empty interface
+    return QString::fromLatin1("  <interface name=\"%1\">\n%2  </interface>\n")
+        .arg(interface, xml);
+}
+
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_DBUS