Add manual test for QMimeDatabase.

Add command line test application that can print
the mime type of a file or dump all mime types.

Task-number: QTCREATORBUG-13996
Task-number: QTCREATORBUG-14005
Change-Id: I5ef2fa4b9fbab986b1db4fc0bd8abaacdf4f8fa0
Reviewed-by: David Faure <david.faure@kdab.com>

tests/manual/manual.pro

@@ -18,6 +18,7 @@ qhttpnetworkconnection \
 qimagereader \
 qlayout \
 qlocale \
+qmimedatabase \
 qnetworkaccessmanager/qget \
 qnetworkconfigurationmanager \
 qnetworkconfiguration \
@@ -59,5 +60,5 @@ win32 {
     wince*:SUBDIRS -= lance windowmodality
 }
 
-lessThan(QT_MAJOR_VERSION, 5): SUBDIRS -= bearerex lance qnetworkaccessmanager/qget qnetworkreply \
+lessThan(QT_MAJOR_VERSION, 5): SUBDIRS -= bearerex lance qnetworkaccessmanager/qget qmimedatabase qnetworkreply \
 qpainfo qscreen  socketengine xembed-raster xembed-widgets windowtransparency

tests/manual/qmimedatabase/main.cpp

@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/QMimeDatabase>
+#include <QtCore/QMimeType>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QCommandLineParser>
+#include <QtCore/QCommandLineOption>
+#include <QtCore/QDebug>
+
+#include <iostream>
+#include <algorithm>
+#include <iterator>
+
+std::wostream &operator<<(std::wostream &str, const QString &s)
+{
+    str << s.toStdWString();
+    return str;
+}
+
+template <class T>
+std::wostream &operator<<(std::wostream &str, const QList<T> &l)
+{
+    std::copy(l.constBegin(), l.constEnd(),
+              std::ostream_iterator<T, wchar_t>(str, L" "));
+    return str;
+}
+
+std::wostream &operator<<(std::wostream &str, const QMimeType &type)
+{
+    str << "Type    : " << type.name();
+    const QStringList aliases = type.aliases();
+    if (!aliases.isEmpty())
+        str << " (" << aliases << ')';
+    str << '\n';
+
+    const QStringList parentMimeTypes = type.parentMimeTypes();
+    if (!parentMimeTypes.isEmpty())
+        str << "Inherits: " << parentMimeTypes << '\n';
+
+    if (!type.comment().isEmpty())
+        str << "Comment : " << type.comment() << '\n';
+
+    const QStringList globPatterns = type.globPatterns();
+    if (!globPatterns.isEmpty())
+        str << "Patterns: " << globPatterns << '\n';
+
+    if (!type.preferredSuffix().isEmpty()) {
+        str << "Suffix  : " << type.preferredSuffix();
+        const QStringList suffixes = type.suffixes();
+        if (suffixes.size() > 1)
+            str << " (" << suffixes << ')';
+        str << '\n';
+    }
+
+    if (!type.iconName().isEmpty())
+        str << "Icon    : " << type.iconName() << '\n';
+
+    return str;
+}
+
+bool operator<(const QMimeType &t1, const QMimeType &t2)
+{
+    return t1.name() < t2.name();
+}
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication app(argc, argv);
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+
+    QCommandLineParser parser;
+    parser.addHelpOption();
+    parser.addVersionOption();
+    QCommandLineOption matchContentOnlyOption(QStringList() << "c" << "content",
+                                              "Use only the file content for determining the mimetype.");
+    parser.addOption(matchContentOnlyOption);
+    QCommandLineOption matchFileOnlyOption(QStringList() << "f" << "filename-only",
+                                           "Whether use the file name only for determining the mimetype. Not used if -c is specified.");
+    parser.addOption(matchFileOnlyOption);
+    QCommandLineOption dumpAllOption("a", "Dump all mime types.");
+    parser.addOption(dumpAllOption);
+    parser.addPositionalArgument("file", "The file(s) to analyze.");
+    parser.process(app);
+
+    QMimeDatabase::MatchMode matchMode = QMimeDatabase::MatchDefault;
+    if (parser.isSet(matchContentOnlyOption))
+        matchMode = QMimeDatabase::MatchContent;
+    else if (parser.isSet(matchFileOnlyOption))
+        matchMode = QMimeDatabase::MatchExtension;
+
+    const bool dumpAll = parser.isSet(dumpAllOption);
+
+    QMimeDatabase mimeDatabase;
+
+    if (dumpAll) {
+        QList<QMimeType> mimeTypes = mimeDatabase.allMimeTypes();
+        std::stable_sort(mimeTypes.begin(), mimeTypes.end());
+        std::wcout << mimeTypes.size() << " mime types found.\n\n";
+        foreach (const QMimeType &type, mimeTypes)
+            std::wcout << type << '\n';
+    } else {
+        foreach (const QString &fileName, parser.positionalArguments()) {
+            QMimeType data = mimeDatabase.mimeTypeForFile(fileName, matchMode);
+            std::wcout << "File    : " << fileName << '\n' << data << '\n';
+        }
+    }
+
+    return 0;
+}

tests/manual/qmimedatabase/qmimedatabase.pro

@@ -0,0 +1,5 @@
+TEMPLATE = app
+QT = core
+CONFIG += console
+CONFIG -= app_bundle
+SOURCES += main.cpp