Initial import from the monolithic Qt.

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

1 files changed, 555 insertions, 0 deletions

diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
new file mode 100644
index 0000000000..aca1cb1db6
--- /dev/null
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -0,0 +1,555 @@
+/****************************************************************************
+**
+** 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 QtCore 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 "qdir.h"
+#include "qfile.h"
+#include "qconfig.h"
+#include "qsettings.h"
+#include "qlibraryinfo.h"
+#include "qscopedpointer.h"
+
+#if defined(QT_BUILD_QMAKE) || defined(QT_BOOTSTRAPPED)
+# define BOOTSTRAPPING
+#endif
+
+#ifdef BOOTSTRAPPING
+QT_BEGIN_NAMESPACE
+extern QString qmake_libraryInfoFile();
+QT_END_NAMESPACE
+#else
+# include "qcoreapplication.h"
+#endif
+
+#ifdef Q_OS_MAC
+#  include "private/qcore_mac_p.h"
+#endif
+
+#ifdef QLIBRARYINFO_EPOCROOT
+# include "symbian/epocroot_p.h"
+#endif
+
+#include "qconfig.cpp"
+
+QT_BEGIN_NAMESPACE
+
+extern void qDumpCPUFeatures(); // in qsimd.cpp
+
+#ifndef QT_NO_SETTINGS
+
+struct QLibrarySettings
+{
+    QLibrarySettings();
+    QScopedPointer<QSettings> settings;
+};
+Q_GLOBAL_STATIC(QLibrarySettings, qt_library_settings)
+
+class QLibraryInfoPrivate
+{
+public:
+    static QSettings *findConfiguration();
+    static void cleanup()
+    {
+        QLibrarySettings *ls = qt_library_settings();
+        if (ls)
+            ls->settings.reset(0);
+    }
+    static QSettings *configuration()
+    {
+        QLibrarySettings *ls = qt_library_settings();
+        return ls ? ls->settings.data() : 0;
+    }
+};
+
+QLibrarySettings::QLibrarySettings()
+    : settings(QLibraryInfoPrivate::findConfiguration())
+{
+#ifndef BOOTSTRAPPING
+    qAddPostRoutine(QLibraryInfoPrivate::cleanup);
+#endif
+}
+
+QSettings *QLibraryInfoPrivate::findConfiguration()
+{
+    QString qtconfig = QLatin1String(":/qt/etc/qt.conf");
+#ifdef BOOTSTRAPPING
+    if(!QFile::exists(qtconfig))
+        qtconfig = qmake_libraryInfoFile();
+#else
+    if (!QFile::exists(qtconfig) && QCoreApplication::instance()) {
+#ifdef Q_OS_MAC
+	CFBundleRef bundleRef = CFBundleGetMainBundle();
+        if (bundleRef) {
+	    QCFType<CFURLRef> urlRef = CFBundleCopyResourceURL(bundleRef,
+							       QCFString(QLatin1String("qt.conf")),
+							       0,
+							       0);
+	    if (urlRef) {
+	        QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle);
+		qtconfig = QDir::cleanPath(path);
+	    }
+	}
+	if (qtconfig.isEmpty())
+#endif
+            {
+                QDir pwd(QCoreApplication::applicationDirPath());
+                qtconfig = pwd.filePath(QLatin1String("qt.conf"));
+	    }
+    }
+#endif
+    if (QFile::exists(qtconfig))
+        return new QSettings(qtconfig, QSettings::IniFormat);
+    return 0;     //no luck
+}
+
+/*!
+    \class QLibraryInfo
+    \brief The QLibraryInfo class provides information about the Qt library.
+
+    Many pieces of information are established when Qt is configured.
+    Installation paths, license information, and even a unique build
+    key. This class provides an abstraction for accessing this
+    information.
+
+    \table
+    \header \o Function           \o Return value
+    \row    \o buildKey()         \o A string that identifies the Qt version and
+                                     the configuration. This key is used to ensure
+                                     that \l{plugins} link against the same version
+                                     of Qt as the application.
+    \row    \o location()         \o The path to a certain Qt
+                                     component (e.g., documentation, header files).
+    \row    \o licensee(),
+               licensedProducts() \o Licensing information.
+    \endtable
+
+    You can also use a \c qt.conf file to override the hard-coded paths
+    that are compiled into the Qt library. For more information, see
+    the \l {Using qt.conf} documentation.
+
+    \sa QSysInfo, {Using qt.conf}
+*/
+
+/*! \internal
+
+   You cannot create a QLibraryInfo, instead only the static functions are available to query
+   information.
+*/
+
+QLibraryInfo::QLibraryInfo()
+{ }
+
+/*!
+  Returns the person to whom this build of Qt is licensed.
+
+  \sa licensedProducts()
+*/
+
+QString
+QLibraryInfo::licensee()
+{
+    const char *str = QT_CONFIGURE_LICENSEE;
+    return QString::fromLocal8Bit(str);
+}
+
+/*!
+  Returns the products that the license for this build of Qt has access to.
+
+  \sa licensee()
+*/
+
+QString
+QLibraryInfo::licensedProducts()
+{
+    const char *str = QT_CONFIGURE_LICENSED_PRODUCTS;
+    return QString::fromLatin1(str);
+}
+
+/*!
+    Returns a unique key identifying this build of Qt and its
+    configurations. This key is not globally unique, rather only useful
+    for establishing of two configurations are compatible. This can be
+    used to compare with the \c QT_BUILD_KEY preprocessor symbol.
+
+    \sa location()
+*/
+
+QString
+QLibraryInfo::buildKey()
+{
+    return QString::fromLatin1(QT_BUILD_KEY);
+}
+
+/*!
+    \since 4.6
+    Returns the installation date for this build of Qt. The install date will
+    usually be the last time that Qt sources were configured.
+*/
+#ifndef QT_NO_DATESTRING
+QDate
+QLibraryInfo::buildDate()
+{
+    return QDate::fromString(QString::fromLatin1(qt_configure_installation + 12), Qt::ISODate);
+}
+#endif //QT_NO_DATESTRING
+
+/*!
+  Returns the location specified by \a loc.
+
+*/
+
+QString
+QLibraryInfo::location(LibraryLocation loc)
+{
+    QString ret;
+    if(!QLibraryInfoPrivate::configuration()) {
+        const char *path = 0;
+        switch (loc) {
+#ifdef QT_CONFIGURE_PREFIX_PATH
+        case PrefixPath:
+            path = QT_CONFIGURE_PREFIX_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DOCUMENTATION_PATH
+        case DocumentationPath:
+            path = QT_CONFIGURE_DOCUMENTATION_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_HEADERS_PATH
+        case HeadersPath:
+            path = QT_CONFIGURE_HEADERS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_LIBRARIES_PATH
+        case LibrariesPath:
+            path = QT_CONFIGURE_LIBRARIES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_BINARIES_PATH
+        case BinariesPath:
+            path = QT_CONFIGURE_BINARIES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_PLUGINS_PATH
+        case PluginsPath:
+            path = QT_CONFIGURE_PLUGINS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_IMPORTS_PATH
+        case ImportsPath:
+            path = QT_CONFIGURE_IMPORTS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DATA_PATH
+        case DataPath:
+            path = QT_CONFIGURE_DATA_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_TRANSLATIONS_PATH
+        case TranslationsPath:
+            path = QT_CONFIGURE_TRANSLATIONS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_SETTINGS_PATH
+        case SettingsPath:
+            path = QT_CONFIGURE_SETTINGS_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_EXAMPLES_PATH
+        case ExamplesPath:
+            path = QT_CONFIGURE_EXAMPLES_PATH;
+            break;
+#endif
+#ifdef QT_CONFIGURE_DEMOS_PATH
+        case DemosPath:
+            path = QT_CONFIGURE_DEMOS_PATH;
+            break;
+#endif
+        default:
+            break;
+        }
+
+        if (path)
+            ret = QString::fromLocal8Bit(path);
+    } else {
+        QString key;
+        QString defaultValue;
+        switch(loc) {
+        case PrefixPath:
+            key = QLatin1String("Prefix");
+            break;
+        case DocumentationPath:
+            key = QLatin1String("Documentation");
+            defaultValue = QLatin1String("doc");
+            break;
+        case HeadersPath:
+            key = QLatin1String("Headers");
+            defaultValue = QLatin1String("include");
+            break;
+        case LibrariesPath:
+            key = QLatin1String("Libraries");
+            defaultValue = QLatin1String("lib");
+            break;
+        case BinariesPath:
+            key = QLatin1String("Binaries");
+            defaultValue = QLatin1String("bin");
+            break;
+        case PluginsPath:
+            key = QLatin1String("Plugins");
+            defaultValue = QLatin1String("plugins");
+            break;
+        case ImportsPath:
+            key = QLatin1String("Imports");
+            defaultValue = QLatin1String("imports");
+            break;
+        case DataPath:
+            key = QLatin1String("Data");
+            break;
+        case TranslationsPath:
+            key = QLatin1String("Translations");
+            defaultValue = QLatin1String("translations");
+            break;
+        case SettingsPath:
+            key = QLatin1String("Settings");
+            break;
+        case ExamplesPath:
+            key = QLatin1String("Examples");
+            break;
+        case DemosPath:
+            key = QLatin1String("Demos");
+            break;
+        default:
+            break;
+        }
+
+        if(!key.isNull()) {
+            QSettings *config = QLibraryInfoPrivate::configuration();
+            config->beginGroup(QLatin1String("Paths"));
+
+            QString subKey;
+            {
+                /*
+                  find the child group whose version number is closest
+                  to the library version.  for example and we have the
+                  following groups:
+
+                  Paths
+                  Paths/4.0
+                  Paths/4.1.2
+                  Paths/4.2.5
+                  Paths/5
+
+                  if QT_VERSION is 4.0.1, then we use 'Paths/4.0'
+                  if QT_VERSION is 4.1.5, then we use 'Paths/4.1.2'
+                  if QT_VERSION is 4.6.3, then we use 'Paths/4.2.5'
+                  if QT_VERSION is 6.0.2, then we use 'Paths/5'
+
+                  note: any of the trailing version numbers may be
+                  omitted (in which case, they default to zero),
+                  i.e. 4 == 4.0.0, 4.1 == 4.1.0, and so on
+                */
+                enum {
+                    QT_MAJOR = ((QT_VERSION >> 16) & 0xFF),
+                    QT_MINOR = ((QT_VERSION >> 8) & 0xFF),
+                    QT_PATCH = (QT_VERSION & 0xFF)
+                };
+                int maj = 0, min = 0, pat = 0;
+                QStringList children = config->childGroups();
+                for(int child = 0; child < children.size(); ++child) {
+                    QString cver = children.at(child);
+                    QStringList cver_list = cver.split(QLatin1Char('.'));
+                    if(cver_list.size() > 0 && cver_list.size() < 4) {
+                        bool ok;
+                        int cmaj = -1, cmin = -1, cpat = -1;
+                        cmaj = cver_list[0].toInt(&ok);
+                        if(!ok || cmaj < 0)
+                            continue;
+                        if(cver_list.size() >= 2) {
+                            cmin = cver_list[1].toInt(&ok);
+                            if(!ok)
+                                continue;
+                            if(cmin < 0)
+                                cmin = -1;
+                        }
+                        if(cver_list.size() >= 3) {
+                            cpat = cver_list[2].toInt(&ok);
+                            if(!ok)
+                                continue;
+                            if(cpat < 0)
+                                cpat = -1;
+                        }
+                        if((cmaj >= maj && cmaj <= QT_MAJOR) &&
+                           (cmin == -1 || (cmin >= min && cmin <= QT_MINOR)) &&
+                           (cpat == -1 || (cpat >= pat && cpat <= QT_PATCH)) &&
+                           config->contains(cver + QLatin1Char('/') + key)) {
+                            subKey = cver + QLatin1Char('/');
+                            maj = cmaj;
+                            min = cmin;
+                            pat = cpat;
+                        }
+                    }
+                }
+            }
+            ret = config->value(subKey + key, defaultValue).toString();
+            // expand environment variables in the form $(ENVVAR)
+            int rep;
+            QRegExp reg_var(QLatin1String("\\$\\(.*\\)"));
+            reg_var.setMinimal(true);
+            while((rep = reg_var.indexIn(ret)) != -1) {
+                ret.replace(rep, reg_var.matchedLength(),
+                            QString::fromLocal8Bit(qgetenv(ret.mid(rep + 2,
+                                reg_var.matchedLength() - 3).toLatin1().constData()).constData()));
+            }
+
+#ifdef QLIBRARYINFO_EPOCROOT
+            // $${EPOCROOT} is a special case, resolve it similarly to qmake.
+            QRegExp epocrootMatcher(QLatin1String("\\$\\$\\{EPOCROOT\\}"));
+            if ((rep = epocrootMatcher.indexIn(ret)) != -1)
+                ret.replace(rep, epocrootMatcher.matchedLength(), qt_epocRoot());
+#endif
+
+            config->endGroup();
+        }
+    }
+
+    if (QDir::isRelativePath(ret)) {
+        if (loc == PrefixPath) {
+            // we make the prefix path absolute to the executable's directory
+#ifdef BOOTSTRAPPING
+            return QFileInfo(qmake_libraryInfoFile()).absolutePath();
+#else
+            if (QCoreApplication::instance()) {
+#ifdef Q_OS_MAC
+                CFBundleRef bundleRef = CFBundleGetMainBundle();
+                if (bundleRef) {
+                    QCFType<CFURLRef> urlRef = CFBundleCopyBundleURL(bundleRef);
+                    if (urlRef) {
+                        QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle);
+                        return QDir::cleanPath(QString(path) + QLatin1String("/Contents/") + ret);
+                    }
+                }
+#endif
+                return QDir(QCoreApplication::applicationDirPath()).absoluteFilePath(ret);
+            } else {
+                return QDir::current().absoluteFilePath(ret);
+            }
+#endif
+        } else {
+            // we make any other path absolute to the prefix directory
+            return QDir(location(PrefixPath)).absoluteFilePath(ret);
+        }
+    }
+    return ret;
+}
+
+/*!
+    \enum QLibraryInfo::LibraryLocation
+
+    \keyword library location
+
+    This enum type is used to specify a specific location
+    specifier:
+
+    \value PrefixPath The default prefix for all paths.
+    \value DocumentationPath The location for documentation upon install.
+    \value HeadersPath The location for all headers.
+    \value LibrariesPath The location of installed libraries.
+    \value BinariesPath The location of installed Qt binaries (tools and applications).
+    \value PluginsPath The location of installed Qt plugins.
+    \value ImportsPath The location of installed QML extensions to import.
+    \value DataPath The location of general Qt data.
+    \value TranslationsPath The location of translation information for Qt strings.
+    \value SettingsPath The location for Qt settings.
+    \value ExamplesPath The location for examples upon install.
+    \value DemosPath The location for demos upon install.
+
+    \sa location()
+*/
+
+#endif // QT_NO_SETTINGS
+
+QT_END_NAMESPACE
+
+#if defined(Q_CC_GNU) && defined(ELF_INTERPRETER)
+#  include <stdio.h>
+#  include <stdlib.h>
+
+extern const char qt_core_interpreter[] __attribute__((section(".interp")))
+    = ELF_INTERPRETER;
+
+extern "C" void qt_core_boilerplate();
+void qt_core_boilerplate()
+{
+    printf("This is the QtCore library version " QT_VERSION_STR "\n"
+           "Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).\n"
+           "Contact: Nokia Corporation (qt-info@nokia.com)\n"
+           "\n"
+           "Build key:           " QT_BUILD_KEY "\n"
+           "Compat build key:    "
+#ifdef QT_BUILD_KEY_COMPAT
+           "| " QT_BUILD_KEY_COMPAT " "
+#endif
+#ifdef QT_BUILD_KEY_COMPAT2
+           "| " QT_BUILD_KEY_COMPAT2 " "
+#endif
+#ifdef QT_BUILD_KEY_COMPAT3
+           "| " QT_BUILD_KEY_COMPAT3 " "
+#endif
+           "|\n"
+           "Build date:          %s\n"
+           "Installation prefix: %s\n"
+           "Library path:        %s\n"
+           "Include path:        %s\n",
+           qt_configure_installation + 12,
+           qt_configure_prefix_path_str + 12,
+           qt_configure_libraries_path_str + 12,
+           qt_configure_headers_path_str + 12);
+
+    QT_PREPEND_NAMESPACE(qDumpCPUFeatures)();
+
+#ifdef QT_EVAL
+    extern void qt_core_eval_init(uint);
+    qt_core_eval_init(1);
+#endif
+
+    exit(0);
+}
+
+#endif