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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qresource.h"
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#include "qresource_p.h"
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#include "qresource_iterator_p.h"
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#include "qset.h"
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#include "qhash.h"
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#include "qmutex.h"
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#include "qdebug.h"
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#include "qlocale.h"
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#include "qglobal.h"
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#include "qvector.h"
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#include "qdatetime.h"
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#include "qbytearray.h"
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#include "qstringlist.h"
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#include <qshareddata.h>
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#include <qplatformdefs.h>
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#include "private/qabstractfileengine_p.h"
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#ifdef Q_OS_UNIX
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# include "private/qcore_unix_p.h"
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#endif
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//#define DEBUG_RESOURCE_MATCH
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#if defined(Q_OS_VXWORKS)
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# if defined(m_data)
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# undef m_data
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# endif
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# if defined(m_len)
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# undef m_len
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# endif
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#endif
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QT_BEGIN_NAMESPACE
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class QStringSplitter
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{
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public:
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QStringSplitter(const QString &s)
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: m_string(s), m_data(m_string.constData()), m_len(s.length()), m_pos(0)
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{
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m_splitChar = QLatin1Char('/');
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}
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inline bool hasNext() {
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while (m_pos < m_len && m_data[m_pos] == m_splitChar)
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++m_pos;
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return m_pos < m_len;
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}
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inline QStringRef next() {
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int start = m_pos;
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while (m_pos < m_len && m_data[m_pos] != m_splitChar)
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++m_pos;
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return QStringRef(&m_string, start, m_pos - start);
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}
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QString m_string;
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const QChar *m_data;
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QChar m_splitChar;
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int m_len;
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int m_pos;
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};
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//resource glue
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class QResourceRoot
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{
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enum Flags
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{
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Compressed = 0x01,
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Directory = 0x02
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};
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const uchar *tree, *names, *payloads;
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inline int findOffset(int node) const { return node * 14; } //sizeof each tree element
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int hash(int node) const;
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QString name(int node) const;
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short flags(int node) const;
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public:
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mutable QAtomicInt ref;
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inline QResourceRoot(): tree(0), names(0), payloads(0) {}
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inline QResourceRoot(const uchar *t, const uchar *n, const uchar *d) { setSource(t, n, d); }
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virtual ~QResourceRoot() { }
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int findNode(const QString &path, const QLocale &locale=QLocale()) const;
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inline bool isContainer(int node) const { return flags(node) & Directory; }
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inline bool isCompressed(int node) const { return flags(node) & Compressed; }
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const uchar *data(int node, qint64 *size) const;
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QStringList children(int node) const;
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virtual QString mappingRoot() const { return QString(); }
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bool mappingRootSubdir(const QString &path, QString *match=0) const;
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inline bool operator==(const QResourceRoot &other) const
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{ return tree == other.tree && names == other.names && payloads == other.payloads; }
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inline bool operator!=(const QResourceRoot &other) const
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{ return !operator==(other); }
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enum ResourceRootType { Resource_Builtin, Resource_File, Resource_Buffer };
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virtual ResourceRootType type() const { return Resource_Builtin; }
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protected:
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inline void setSource(const uchar *t, const uchar *n, const uchar *d) {
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tree = t;
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names = n;
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payloads = d;
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}
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};
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static QString cleanPath(const QString &_path)
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{
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QString path = QDir::cleanPath(_path);
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// QDir::cleanPath does not remove two trailing slashes under _Windows_
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// due to support for UNC paths. Remove those manually.
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if (path.startsWith(QLatin1String("//")))
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path.remove(0, 1);
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return path;
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}
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Q_DECLARE_TYPEINFO(QResourceRoot, Q_MOVABLE_TYPE);
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Q_GLOBAL_STATIC_WITH_ARGS(QMutex, resourceMutex, (QMutex::Recursive))
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typedef QList<QResourceRoot*> ResourceList;
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Q_GLOBAL_STATIC(ResourceList, resourceList)
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Q_GLOBAL_STATIC(QStringList, resourceSearchPaths)
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/*!
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\class QResource
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\brief The QResource class provides an interface for reading directly from resources.
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\ingroup io
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\reentrant
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\since 4.2
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QResource is an object that represents a set of data (and possibly
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children) relating to a single resource entity. QResource gives direct
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access to the bytes in their raw format. In this way direct access
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allows reading data without buffer copying or indirection. Indirection
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is often useful when interacting with the resource entity as if it is a
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file, this can be achieved with QFile. The data and children behind a
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QResource are normally compiled into an application/library, but it is
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also possible to load a resource at runtime. When loaded at run time
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the resource file will be loaded as one big set of data and then given
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out in pieces via references into the resource tree.
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A QResource can either be loaded with an absolute path, either treated
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as a file system rooted with a \c{/} character, or in resource notation
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rooted with a \c{:} character. A relative resource can also be opened
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which will be found through the searchPaths().
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A QResource that is representing a file will have data backing it, this
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data can possibly be compressed, in which case qUncompress() must be
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used to access the real data; this happens implicitly when accessed
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through a QFile. A QResource that is representing a directory will have
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only children and no data.
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\section1 Dynamic Resource Loading
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A resource can be left out of an application's binary and loaded when
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it is needed at run-time by using the registerResource() function. The
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resource file passed into registerResource() must be a binary resource
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as created by rcc. Further information about binary resources can be
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found in \l{The Qt Resource System} documentation.
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This can often be useful when loading a large set of application icons
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that may change based on a setting, or that can be edited by a user and
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later recreated. The resource is immediately loaded into memory, either
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as a result of a single file read operation, or as a memory mapped file.
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This approach can prove to be a significant performance gain as only a
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single file will be loaded, and pieces of data will be given out via the
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path requested in setFileName().
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The unregisterResource() function removes a reference to a particular
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file. If there are QResources that currently reference resources related
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to the unregistered file, they will continue to be valid but the resource
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file itself will be removed from the resource roots, and thus no further
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QResource can be created pointing into this resource data. The resource
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itself will be unmapped from memory when the last QResource that points
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to it is destroyed.
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\sa {The Qt Resource System}, QFile, QDir, QFileInfo
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*/
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class QResourcePrivate {
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public:
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inline QResourcePrivate(QResource *_q) : q_ptr(_q) { clear(); }
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inline ~QResourcePrivate() { clear(); }
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void ensureInitialized() const;
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void ensureChildren() const;
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bool load(const QString &file);
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void clear();
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QLocale locale;
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QString fileName, absoluteFilePath;
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QList<QResourceRoot*> related;
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uint container : 1;
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mutable uint compressed : 1;
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mutable qint64 size;
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mutable const uchar *data;
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mutable QStringList children;
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QResource *q_ptr;
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Q_DECLARE_PUBLIC(QResource)
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};
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void
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QResourcePrivate::clear()
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{
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absoluteFilePath.clear();
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compressed = 0;
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data = 0;
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size = 0;
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children.clear();
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container = 0;
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for(int i = 0; i < related.size(); ++i) {
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QResourceRoot *root = related.at(i);
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if(!root->ref.deref())
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delete root;
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}
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related.clear();
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}
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bool
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QResourcePrivate::load(const QString &file)
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{
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related.clear();
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QMutexLocker lock(resourceMutex());
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const ResourceList *list = resourceList();
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QString cleaned = cleanPath(file);
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for(int i = 0; i < list->size(); ++i) {
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QResourceRoot *res = list->at(i);
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const int node = res->findNode(cleaned);
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if(node != -1) {
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if(related.isEmpty()) {
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container = res->isContainer(node);
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if(!container) {
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data = res->data(node, &size);
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compressed = res->isCompressed(node);
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} else {
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data = 0;
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size = 0;
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compressed = 0;
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}
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} else if(res->isContainer(node) != container) {
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qWarning("QResourceInfo: Resource [%s] has both data and children!", file.toLatin1().constData());
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}
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res->ref.ref();
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related.append(res);
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} else if(res->mappingRootSubdir(file)) {
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container = true;
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data = 0;
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size = 0;
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compressed = 0;
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res->ref.ref();
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related.append(res);
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}
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}
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return !related.isEmpty();
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}
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void
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QResourcePrivate::ensureInitialized() const
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{
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if(!related.isEmpty())
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return;
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QResourcePrivate *that = const_cast<QResourcePrivate *>(this);
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if(fileName == QLatin1String(":"))
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that->fileName += QLatin1Char('/');
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that->absoluteFilePath = fileName;
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if(!that->absoluteFilePath.startsWith(QLatin1Char(':')))
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that->absoluteFilePath.prepend(QLatin1Char(':'));
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QString path = fileName;
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if(path.startsWith(QLatin1Char(':')))
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path = path.mid(1);
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if(path.startsWith(QLatin1Char('/'))) {
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that->load(path);
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} else {
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QMutexLocker lock(resourceMutex());
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QStringList searchPaths = *resourceSearchPaths();
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searchPaths << QLatin1String("");
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for(int i = 0; i < searchPaths.size(); ++i) {
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const QString searchPath(searchPaths.at(i) + QLatin1Char('/') + path);
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if(that->load(searchPath)) {
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that->absoluteFilePath = QLatin1Char(':') + searchPath;
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break;
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}
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}
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}
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}
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void
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QResourcePrivate::ensureChildren() const
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{
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ensureInitialized();
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if(!children.isEmpty() || !container || related.isEmpty())
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return;
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QString path = absoluteFilePath, k;
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if(path.startsWith(QLatin1Char(':')))
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path = path.mid(1);
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QSet<QString> kids;
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QString cleaned = cleanPath(path);
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for(int i = 0; i < related.size(); ++i) {
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QResourceRoot *res = related.at(i);
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if(res->mappingRootSubdir(path, &k) && !k.isEmpty()) {
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if(!kids.contains(k)) {
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children += k;
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kids.insert(k);
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}
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} else {
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const int node = res->findNode(cleaned);
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if(node != -1) {
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QStringList related_children = res->children(node);
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for(int kid = 0; kid < related_children.size(); ++kid) {
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k = related_children.at(kid);
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if(!kids.contains(k)) {
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children += k;
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kids.insert(k);
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}
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}
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}
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}
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}
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|
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}
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|
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/*!
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Constructs a QResource pointing to \a file. \a locale is used to
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load a specific localization of a resource data.
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\sa QFileInfo, searchPaths(), setFileName(), setLocale()
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*/
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QResource::QResource(const QString &file, const QLocale &locale) : d_ptr(new QResourcePrivate(this))
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{
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Q_D(QResource);
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d->fileName = file;
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d->locale = locale;
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}
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|
385 |
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|
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/*!
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Releases the resources of the QResource object.
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*/
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QResource::~QResource()
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|
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{
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}
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|
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|
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/*!
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Sets a QResource to only load the localization of resource to for \a
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locale. If a resource for the specific locale is not found then the
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C locale is used.
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\sa setFileName()
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*/
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|
400 |
|
|
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void QResource::setLocale(const QLocale &locale)
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{
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Q_D(QResource);
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d->clear();
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d->locale = locale;
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}
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|
407 |
|
|
408 |
/*!
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|
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Returns the locale used to locate the data for the QResource.
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|
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*/
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|
411 |
|
|
412 |
QLocale QResource::locale() const
|
|
413 |
{
|
|
414 |
Q_D(const QResource);
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|
415 |
return d->locale;
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|
416 |
}
|
|
417 |
|
|
418 |
/*!
|
|
419 |
Sets a QResource to point to \a file. \a file can either be absolute,
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|
420 |
in which case it is opened directly, if relative then the file will be
|
|
421 |
tried to be found in searchPaths().
|
|
422 |
|
|
423 |
\sa absoluteFilePath()
|
|
424 |
*/
|
|
425 |
|
|
426 |
void QResource::setFileName(const QString &file)
|
|
427 |
{
|
|
428 |
Q_D(QResource);
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|
429 |
d->clear();
|
|
430 |
d->fileName = file;
|
|
431 |
}
|
|
432 |
|
|
433 |
/*!
|
|
434 |
Returns the full path to the file that this QResource represents as it
|
|
435 |
was passed.
|
|
436 |
|
|
437 |
\sa absoluteFilePath()
|
|
438 |
*/
|
|
439 |
|
|
440 |
QString QResource::fileName() const
|
|
441 |
{
|
|
442 |
Q_D(const QResource);
|
|
443 |
d->ensureInitialized();
|
|
444 |
return d->fileName;
|
|
445 |
}
|
|
446 |
|
|
447 |
/*!
|
|
448 |
Returns the real path that this QResource represents, if the resource
|
|
449 |
was found via the searchPaths() it will be indicated in the path.
|
|
450 |
|
|
451 |
\sa fileName()
|
|
452 |
*/
|
|
453 |
|
|
454 |
QString QResource::absoluteFilePath() const
|
|
455 |
{
|
|
456 |
Q_D(const QResource);
|
|
457 |
d->ensureInitialized();
|
|
458 |
return d->absoluteFilePath;
|
|
459 |
}
|
|
460 |
|
|
461 |
/*!
|
|
462 |
Returns true if the resource really exists in the resource hierarchy,
|
|
463 |
false otherwise.
|
|
464 |
|
|
465 |
*/
|
|
466 |
|
|
467 |
bool QResource::isValid() const
|
|
468 |
{
|
|
469 |
Q_D(const QResource);
|
|
470 |
d->ensureInitialized();
|
|
471 |
return !d->related.isEmpty();
|
|
472 |
}
|
|
473 |
|
|
474 |
/*!
|
|
475 |
\fn bool QResource::isFile() const
|
|
476 |
|
|
477 |
Returns true if the resource represents a file and thus has data
|
|
478 |
backing it, false if it represents a directory.
|
|
479 |
|
|
480 |
\sa isDir()
|
|
481 |
*/
|
|
482 |
|
|
483 |
|
|
484 |
/*!
|
|
485 |
Returns true if the resource represents a file and the data backing it
|
|
486 |
is in a compressed format, false otherwise.
|
|
487 |
|
|
488 |
\sa data(), isFile()
|
|
489 |
*/
|
|
490 |
|
|
491 |
bool QResource::isCompressed() const
|
|
492 |
{
|
|
493 |
Q_D(const QResource);
|
|
494 |
d->ensureInitialized();
|
|
495 |
return d->compressed;
|
|
496 |
}
|
|
497 |
|
|
498 |
/*!
|
|
499 |
Returns the size of the data backing the resource.
|
|
500 |
|
|
501 |
\sa data(), isFile()
|
|
502 |
*/
|
|
503 |
|
|
504 |
qint64 QResource::size() const
|
|
505 |
{
|
|
506 |
Q_D(const QResource);
|
|
507 |
d->ensureInitialized();
|
|
508 |
return d->size;
|
|
509 |
}
|
|
510 |
|
|
511 |
/*!
|
|
512 |
Returns direct access to a read only segment of data that this resource
|
|
513 |
represents. If the resource is compressed the data returns is
|
|
514 |
compressed and qUncompress() must be used to access the data. If the
|
|
515 |
resource is a directory 0 is returned.
|
|
516 |
|
|
517 |
\sa size(), isCompressed(), isFile()
|
|
518 |
*/
|
|
519 |
|
|
520 |
const uchar *QResource::data() const
|
|
521 |
{
|
|
522 |
Q_D(const QResource);
|
|
523 |
d->ensureInitialized();
|
|
524 |
return d->data;
|
|
525 |
}
|
|
526 |
|
|
527 |
/*!
|
|
528 |
Returns true if the resource represents a directory and thus may have
|
|
529 |
children() in it, false if it represents a file.
|
|
530 |
|
|
531 |
\sa isFile()
|
|
532 |
*/
|
|
533 |
|
|
534 |
bool QResource::isDir() const
|
|
535 |
{
|
|
536 |
Q_D(const QResource);
|
|
537 |
d->ensureInitialized();
|
|
538 |
return d->container;
|
|
539 |
}
|
|
540 |
|
|
541 |
/*!
|
|
542 |
Returns a list of all resources in this directory, if the resource
|
|
543 |
represents a file the list will be empty.
|
|
544 |
|
|
545 |
\sa isDir()
|
|
546 |
*/
|
|
547 |
|
|
548 |
QStringList QResource::children() const
|
|
549 |
{
|
|
550 |
Q_D(const QResource);
|
|
551 |
d->ensureChildren();
|
|
552 |
return d->children;
|
|
553 |
}
|
|
554 |
|
|
555 |
/*!
|
|
556 |
\obsolete
|
|
557 |
|
|
558 |
Adds \a path to the search paths searched in to find resources that are
|
|
559 |
not specified with an absolute path. The \a path must be an absolute
|
|
560 |
path (start with \c{/}).
|
|
561 |
|
|
562 |
The default search path is to search only in the root (\c{:/}). The last
|
|
563 |
path added will be consulted first upon next QResource creation.
|
|
564 |
|
|
565 |
Use QDir::addSearchPath() with a prefix instead.
|
|
566 |
*/
|
|
567 |
|
|
568 |
void
|
|
569 |
QResource::addSearchPath(const QString &path)
|
|
570 |
{
|
|
571 |
if (!path.startsWith(QLatin1Char('/'))) {
|
|
572 |
qWarning("QResource::addResourceSearchPath: Search paths must be absolute (start with /) [%s]",
|
|
573 |
path.toLocal8Bit().data());
|
|
574 |
return;
|
|
575 |
}
|
|
576 |
QMutexLocker lock(resourceMutex());
|
|
577 |
resourceSearchPaths()->prepend(path);
|
|
578 |
}
|
|
579 |
|
|
580 |
/*!
|
|
581 |
Returns the current search path list. This list is consulted when
|
|
582 |
creating a relative resource.
|
|
583 |
|
|
584 |
\sa QDir::addSearchPath() QDir::setSearchPaths()
|
|
585 |
*/
|
|
586 |
|
|
587 |
QStringList
|
|
588 |
QResource::searchPaths()
|
|
589 |
{
|
|
590 |
QMutexLocker lock(resourceMutex());
|
|
591 |
return *resourceSearchPaths();
|
|
592 |
}
|
|
593 |
|
|
594 |
inline int QResourceRoot::hash(int node) const
|
|
595 |
{
|
|
596 |
if(!node) //root
|
|
597 |
return 0;
|
|
598 |
const int offset = findOffset(node);
|
|
599 |
int name_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
600 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
601 |
name_offset += 2; //jump past name length
|
|
602 |
return (names[name_offset+0] << 24) + (names[name_offset+1] << 16) +
|
|
603 |
(names[name_offset+2] << 8) + (names[name_offset+3] << 0);
|
|
604 |
}
|
|
605 |
inline QString QResourceRoot::name(int node) const
|
|
606 |
{
|
|
607 |
if(!node) // root
|
|
608 |
return QString();
|
|
609 |
const int offset = findOffset(node);
|
|
610 |
|
|
611 |
QString ret;
|
|
612 |
int name_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
613 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
614 |
const short name_length = (names[name_offset+0] << 8) +
|
|
615 |
(names[name_offset+1] << 0);
|
|
616 |
name_offset += 2;
|
|
617 |
name_offset += 4; //jump past hash
|
|
618 |
|
|
619 |
ret.resize(name_length);
|
|
620 |
QChar *strData = ret.data();
|
|
621 |
for(int i = 0; i < name_length*2; i+=2) {
|
|
622 |
QChar c(names[name_offset+i+1], names[name_offset+i]);
|
|
623 |
*strData = c;
|
|
624 |
++strData;
|
|
625 |
}
|
|
626 |
return ret;
|
|
627 |
}
|
|
628 |
|
|
629 |
int QResourceRoot::findNode(const QString &_path, const QLocale &locale) const
|
|
630 |
{
|
|
631 |
QString path = _path;
|
|
632 |
{
|
|
633 |
QString root = mappingRoot();
|
|
634 |
if(!root.isEmpty()) {
|
|
635 |
if(root == path) {
|
|
636 |
path = QLatin1Char('/');
|
|
637 |
} else {
|
|
638 |
if(!root.endsWith(QLatin1Char('/')))
|
|
639 |
root += QLatin1Char('/');
|
|
640 |
if(path.size() >= root.size() && path.startsWith(root))
|
|
641 |
path = path.mid(root.length()-1);
|
|
642 |
if(path.isEmpty())
|
|
643 |
path = QLatin1Char('/');
|
|
644 |
}
|
|
645 |
}
|
|
646 |
}
|
|
647 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
648 |
qDebug() << "!!!!" << "START" << path << locale.country() << locale.language();
|
|
649 |
#endif
|
|
650 |
|
|
651 |
if(path == QLatin1String("/"))
|
|
652 |
return 0;
|
|
653 |
|
|
654 |
//the root node is always first
|
|
655 |
int child_count = (tree[6] << 24) + (tree[7] << 16) +
|
|
656 |
(tree[8] << 8) + (tree[9] << 0);
|
|
657 |
int child = (tree[10] << 24) + (tree[11] << 16) +
|
|
658 |
(tree[12] << 8) + (tree[13] << 0);
|
|
659 |
|
|
660 |
//now iterate up the tree
|
|
661 |
int node = -1;
|
|
662 |
|
|
663 |
QStringSplitter splitter(path);
|
|
664 |
while (child_count && splitter.hasNext()) {
|
|
665 |
QStringRef segment = splitter.next();
|
|
666 |
|
|
667 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
668 |
qDebug() << " CHILDREN" << segment;
|
|
669 |
for(int j = 0; j < child_count; ++j) {
|
|
670 |
qDebug() << " " << child+j << " :: " << name(child+j);
|
|
671 |
}
|
|
672 |
#endif
|
|
673 |
const int h = qHash(segment);
|
|
674 |
|
|
675 |
//do the binary search for the hash
|
|
676 |
int l = 0, r = child_count-1;
|
|
677 |
int sub_node = (l+r+1)/2;
|
|
678 |
while(r != l) {
|
|
679 |
const int sub_node_hash = hash(child+sub_node);
|
|
680 |
if(h == sub_node_hash)
|
|
681 |
break;
|
|
682 |
else if(h < sub_node_hash)
|
|
683 |
r = sub_node - 1;
|
|
684 |
else
|
|
685 |
l = sub_node;
|
|
686 |
sub_node = (l + r + 1) / 2;
|
|
687 |
}
|
|
688 |
sub_node += child;
|
|
689 |
|
|
690 |
//now do the "harder" compares
|
|
691 |
bool found = false;
|
|
692 |
if(hash(sub_node) == h) {
|
|
693 |
while(sub_node > child && hash(sub_node-1) == h) //backup for collisions
|
|
694 |
--sub_node;
|
|
695 |
for(; sub_node < child+child_count && hash(sub_node) == h; ++sub_node) { //here we go...
|
|
696 |
if(name(sub_node) == segment) {
|
|
697 |
found = true;
|
|
698 |
int offset = findOffset(sub_node);
|
|
699 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
700 |
qDebug() << " TRY" << sub_node << name(sub_node) << offset;
|
|
701 |
#endif
|
|
702 |
offset += 4; //jump past name
|
|
703 |
|
|
704 |
const short flags = (tree[offset+0] << 8) +
|
|
705 |
(tree[offset+1] << 0);
|
|
706 |
offset += 2;
|
|
707 |
|
|
708 |
if(!splitter.hasNext()) {
|
|
709 |
if(!(flags & Directory)) {
|
|
710 |
const short country = (tree[offset+0] << 8) +
|
|
711 |
(tree[offset+1] << 0);
|
|
712 |
offset += 2;
|
|
713 |
|
|
714 |
const short language = (tree[offset+0] << 8) +
|
|
715 |
(tree[offset+1] << 0);
|
|
716 |
offset += 2;
|
|
717 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
718 |
qDebug() << " " << "LOCALE" << country << language;
|
|
719 |
#endif
|
|
720 |
if(country == locale.country() && language == locale.language()) {
|
|
721 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
722 |
qDebug() << "!!!!" << "FINISHED" << __LINE__ << sub_node;
|
|
723 |
#endif
|
|
724 |
return sub_node;
|
|
725 |
} else if((country == QLocale::AnyCountry && language == locale.language()) ||
|
|
726 |
(country == QLocale::AnyCountry && language == QLocale::C && node == -1)) {
|
|
727 |
node = sub_node;
|
|
728 |
}
|
|
729 |
continue;
|
|
730 |
} else {
|
|
731 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
732 |
qDebug() << "!!!!" << "FINISHED" << __LINE__ << sub_node;
|
|
733 |
#endif
|
|
734 |
|
|
735 |
return sub_node;
|
|
736 |
}
|
|
737 |
}
|
|
738 |
|
|
739 |
if(!(flags & Directory))
|
|
740 |
return -1;
|
|
741 |
|
|
742 |
child_count = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
743 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
744 |
offset += 4;
|
|
745 |
child = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
746 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
747 |
break;
|
|
748 |
}
|
|
749 |
}
|
|
750 |
}
|
|
751 |
if(!found)
|
|
752 |
break;
|
|
753 |
}
|
|
754 |
#ifdef DEBUG_RESOURCE_MATCH
|
|
755 |
qDebug() << "!!!!" << "FINISHED" << __LINE__ << node;
|
|
756 |
#endif
|
|
757 |
return node;
|
|
758 |
}
|
|
759 |
short QResourceRoot::flags(int node) const
|
|
760 |
{
|
|
761 |
if(node == -1)
|
|
762 |
return 0;
|
|
763 |
const int offset = findOffset(node) + 4; //jump past name
|
|
764 |
return (tree[offset+0] << 8) + (tree[offset+1] << 0);
|
|
765 |
}
|
|
766 |
const uchar *QResourceRoot::data(int node, qint64 *size) const
|
|
767 |
{
|
|
768 |
if(node == -1) {
|
|
769 |
*size = 0;
|
|
770 |
return 0;
|
|
771 |
}
|
|
772 |
int offset = findOffset(node) + 4; //jump past name
|
|
773 |
|
|
774 |
const short flags = (tree[offset+0] << 8) + (tree[offset+1] << 0);
|
|
775 |
offset += 2;
|
|
776 |
|
|
777 |
offset += 4; //jump past locale
|
|
778 |
|
|
779 |
if(!(flags & Directory)) {
|
|
780 |
const int data_offset = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
781 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
782 |
const uint data_length = (payloads[data_offset+0] << 24) + (payloads[data_offset+1] << 16) +
|
|
783 |
(payloads[data_offset+2] << 8) + (payloads[data_offset+3] << 0);
|
|
784 |
const uchar *ret = payloads+data_offset+4;
|
|
785 |
*size = data_length;
|
|
786 |
return ret;
|
|
787 |
}
|
|
788 |
*size = 0;
|
|
789 |
return 0;
|
|
790 |
}
|
|
791 |
QStringList QResourceRoot::children(int node) const
|
|
792 |
{
|
|
793 |
if(node == -1)
|
|
794 |
return QStringList();
|
|
795 |
int offset = findOffset(node) + 4; //jump past name
|
|
796 |
|
|
797 |
const short flags = (tree[offset+0] << 8) + (tree[offset+1] << 0);
|
|
798 |
offset += 2;
|
|
799 |
|
|
800 |
QStringList ret;
|
|
801 |
if(flags & Directory) {
|
|
802 |
const int child_count = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
803 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
804 |
offset += 4;
|
|
805 |
const int child_off = (tree[offset+0] << 24) + (tree[offset+1] << 16) +
|
|
806 |
(tree[offset+2] << 8) + (tree[offset+3] << 0);
|
|
807 |
for(int i = child_off; i < child_off+child_count; ++i)
|
|
808 |
ret << name(i);
|
|
809 |
}
|
|
810 |
return ret;
|
|
811 |
}
|
|
812 |
bool QResourceRoot::mappingRootSubdir(const QString &path, QString *match) const
|
|
813 |
{
|
|
814 |
const QString root = mappingRoot();
|
|
815 |
if(!root.isEmpty()) {
|
|
816 |
const QStringList root_segments = root.split(QLatin1Char('/'), QString::SkipEmptyParts),
|
|
817 |
path_segments = path.split(QLatin1Char('/'), QString::SkipEmptyParts);
|
|
818 |
if(path_segments.size() <= root_segments.size()) {
|
|
819 |
int matched = 0;
|
|
820 |
for(int i = 0; i < path_segments.size(); ++i) {
|
|
821 |
if(root_segments[i] != path_segments[i])
|
|
822 |
break;
|
|
823 |
++matched;
|
|
824 |
}
|
|
825 |
if(matched == path_segments.size()) {
|
|
826 |
if(match && root_segments.size() > matched)
|
|
827 |
*match = root_segments.at(matched);
|
|
828 |
return true;
|
|
829 |
}
|
|
830 |
}
|
|
831 |
}
|
|
832 |
return false;
|
|
833 |
}
|
|
834 |
|
|
835 |
Q_CORE_EXPORT bool qRegisterResourceData(int version, const unsigned char *tree,
|
|
836 |
const unsigned char *name, const unsigned char *data)
|
|
837 |
{
|
|
838 |
QMutexLocker lock(resourceMutex());
|
|
839 |
if(version == 0x01 && resourceList()) {
|
|
840 |
bool found = false;
|
|
841 |
QResourceRoot res(tree, name, data);
|
|
842 |
for(int i = 0; i < resourceList()->size(); ++i) {
|
|
843 |
if(*resourceList()->at(i) == res) {
|
|
844 |
found = true;
|
|
845 |
break;
|
|
846 |
}
|
|
847 |
}
|
|
848 |
if(!found) {
|
|
849 |
QResourceRoot *root = new QResourceRoot(tree, name, data);
|
|
850 |
root->ref.ref();
|
|
851 |
resourceList()->append(root);
|
|
852 |
}
|
|
853 |
return true;
|
|
854 |
}
|
|
855 |
return false;
|
|
856 |
}
|
|
857 |
|
|
858 |
Q_CORE_EXPORT bool qUnregisterResourceData(int version, const unsigned char *tree,
|
|
859 |
const unsigned char *name, const unsigned char *data)
|
|
860 |
{
|
|
861 |
QMutexLocker lock(resourceMutex());
|
|
862 |
if(version == 0x01 && resourceList()) {
|
|
863 |
QResourceRoot res(tree, name, data);
|
|
864 |
for(int i = 0; i < resourceList()->size(); ) {
|
|
865 |
if(*resourceList()->at(i) == res) {
|
|
866 |
QResourceRoot *root = resourceList()->takeAt(i);
|
|
867 |
if(!root->ref.deref())
|
|
868 |
delete root;
|
|
869 |
} else {
|
|
870 |
++i;
|
|
871 |
}
|
|
872 |
}
|
|
873 |
return true;
|
|
874 |
}
|
|
875 |
return false;
|
|
876 |
}
|
|
877 |
|
|
878 |
//run time resource creation
|
|
879 |
|
|
880 |
class QDynamicBufferResourceRoot: public QResourceRoot
|
|
881 |
{
|
|
882 |
QString root;
|
|
883 |
const uchar *buffer;
|
|
884 |
|
|
885 |
public:
|
|
886 |
inline QDynamicBufferResourceRoot(const QString &_root) : root(_root), buffer(0) { }
|
|
887 |
inline ~QDynamicBufferResourceRoot() { }
|
|
888 |
inline const uchar *mappingBuffer() const { return buffer; }
|
|
889 |
virtual QString mappingRoot() const { return root; }
|
|
890 |
virtual ResourceRootType type() const { return Resource_Buffer; }
|
|
891 |
|
|
892 |
bool registerSelf(const uchar *b) {
|
|
893 |
//setup the data now
|
|
894 |
int offset = 0;
|
|
895 |
|
|
896 |
//magic number
|
|
897 |
if(b[offset+0] != 'q' || b[offset+1] != 'r' ||
|
|
898 |
b[offset+2] != 'e' || b[offset+3] != 's') {
|
|
899 |
return false;
|
|
900 |
}
|
|
901 |
offset += 4;
|
|
902 |
|
|
903 |
const int version = (b[offset+0] << 24) + (b[offset+1] << 16) +
|
|
904 |
(b[offset+2] << 8) + (b[offset+3] << 0);
|
|
905 |
offset += 4;
|
|
906 |
|
|
907 |
const int tree_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
|
|
908 |
(b[offset+2] << 8) + (b[offset+3] << 0);
|
|
909 |
offset += 4;
|
|
910 |
|
|
911 |
const int data_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
|
|
912 |
(b[offset+2] << 8) + (b[offset+3] << 0);
|
|
913 |
offset += 4;
|
|
914 |
|
|
915 |
const int name_offset = (b[offset+0] << 24) + (b[offset+1] << 16) +
|
|
916 |
(b[offset+2] << 8) + (b[offset+3] << 0);
|
|
917 |
offset += 4;
|
|
918 |
|
|
919 |
if(version == 0x01) {
|
|
920 |
buffer = b;
|
|
921 |
setSource(b+tree_offset, b+name_offset, b+data_offset);
|
|
922 |
return true;
|
|
923 |
}
|
|
924 |
return false;
|
|
925 |
}
|
|
926 |
};
|
|
927 |
|
|
928 |
#if defined(Q_OS_UNIX)
|
|
929 |
#define QT_USE_MMAP
|
|
930 |
#endif
|
|
931 |
|
|
932 |
// most of the headers below are already included in qplatformdefs.h
|
|
933 |
// also this lacks Large File support but that's probably irrelevant
|
|
934 |
#if defined(QT_USE_MMAP)
|
|
935 |
// for mmap
|
|
936 |
QT_BEGIN_INCLUDE_NAMESPACE
|
|
937 |
#include <sys/mman.h>
|
|
938 |
#include <errno.h>
|
|
939 |
QT_END_INCLUDE_NAMESPACE
|
|
940 |
#endif
|
|
941 |
|
|
942 |
|
|
943 |
|
|
944 |
class QDynamicFileResourceRoot: public QDynamicBufferResourceRoot
|
|
945 |
{
|
|
946 |
QString fileName;
|
|
947 |
// for mmap'ed files, this is what needs to be unmapped.
|
|
948 |
uchar *unmapPointer;
|
|
949 |
unsigned int unmapLength;
|
|
950 |
|
|
951 |
public:
|
|
952 |
inline QDynamicFileResourceRoot(const QString &_root) : QDynamicBufferResourceRoot(_root), unmapPointer(0), unmapLength(0) { }
|
|
953 |
~QDynamicFileResourceRoot() {
|
|
954 |
#if defined(QT_USE_MMAP)
|
|
955 |
if (unmapPointer) {
|
|
956 |
munmap((char*)unmapPointer, unmapLength);
|
|
957 |
unmapPointer = 0;
|
|
958 |
unmapLength = 0;
|
|
959 |
} else
|
|
960 |
#endif
|
|
961 |
{
|
|
962 |
delete [] (uchar *)mappingBuffer();
|
|
963 |
}
|
|
964 |
}
|
|
965 |
QString mappingFile() const { return fileName; }
|
|
966 |
virtual ResourceRootType type() const { return Resource_File; }
|
|
967 |
|
|
968 |
bool registerSelf(const QString &f) {
|
|
969 |
bool fromMM = false;
|
|
970 |
uchar *data = 0;
|
|
971 |
unsigned int data_len = 0;
|
|
972 |
|
|
973 |
#ifdef QT_USE_MMAP
|
|
974 |
|
|
975 |
#ifndef MAP_FILE
|
|
976 |
#define MAP_FILE 0
|
|
977 |
#endif
|
|
978 |
#ifndef MAP_FAILED
|
|
979 |
#define MAP_FAILED -1
|
|
980 |
#endif
|
|
981 |
|
|
982 |
int fd = QT_OPEN(QFile::encodeName(f), O_RDONLY,
|
|
983 |
#if defined(Q_OS_WIN)
|
|
984 |
_S_IREAD | _S_IWRITE
|
|
985 |
#else
|
|
986 |
0666
|
|
987 |
#endif
|
|
988 |
);
|
|
989 |
if (fd >= 0) {
|
|
990 |
QT_STATBUF st;
|
|
991 |
if (!QT_FSTAT(fd, &st)) {
|
|
992 |
uchar *ptr;
|
|
993 |
ptr = reinterpret_cast<uchar *>(
|
|
994 |
mmap(0, st.st_size, // any address, whole file
|
|
995 |
PROT_READ, // read-only memory
|
|
996 |
MAP_FILE | MAP_PRIVATE, // swap-backed map from file
|
|
997 |
fd, 0)); // from offset 0 of fd
|
|
998 |
if (ptr && ptr != reinterpret_cast<uchar *>(MAP_FAILED)) {
|
|
999 |
data = ptr;
|
|
1000 |
data_len = st.st_size;
|
|
1001 |
fromMM = true;
|
|
1002 |
}
|
|
1003 |
}
|
|
1004 |
::close(fd);
|
|
1005 |
}
|
|
1006 |
#endif // QT_USE_MMAP
|
|
1007 |
if(!data) {
|
|
1008 |
QFile file(f);
|
|
1009 |
if (!file.exists())
|
|
1010 |
return false;
|
|
1011 |
data_len = file.size();
|
|
1012 |
data = new uchar[data_len];
|
|
1013 |
|
|
1014 |
bool ok = false;
|
|
1015 |
if (file.open(QIODevice::ReadOnly))
|
|
1016 |
ok = (data_len == (uint)file.read((char*)data, data_len));
|
|
1017 |
if (!ok) {
|
|
1018 |
delete [] data;
|
|
1019 |
data = 0;
|
|
1020 |
data_len = 0;
|
|
1021 |
return false;
|
|
1022 |
}
|
|
1023 |
fromMM = false;
|
|
1024 |
}
|
|
1025 |
if(data && QDynamicBufferResourceRoot::registerSelf(data)) {
|
|
1026 |
if(fromMM) {
|
|
1027 |
unmapPointer = data;
|
|
1028 |
unmapLength = data_len;
|
|
1029 |
}
|
|
1030 |
fileName = f;
|
|
1031 |
return true;
|
|
1032 |
}
|
|
1033 |
return false;
|
|
1034 |
}
|
|
1035 |
};
|
|
1036 |
|
|
1037 |
static QString qt_resource_fixResourceRoot(QString r) {
|
|
1038 |
if(!r.isEmpty()) {
|
|
1039 |
if(r.startsWith(QLatin1Char(':')))
|
|
1040 |
r = r.mid(1);
|
|
1041 |
if(!r.isEmpty())
|
|
1042 |
r = QDir::cleanPath(r);
|
|
1043 |
}
|
|
1044 |
return r;
|
|
1045 |
}
|
|
1046 |
|
|
1047 |
|
|
1048 |
/*!
|
|
1049 |
\fn bool QResource::registerResource(const QString &rccFileName, const QString &mapRoot)
|
|
1050 |
|
|
1051 |
Registers the resource with the given \a rccFileName at the location in the
|
|
1052 |
resource tree specified by \a mapRoot, and returns true if the file is
|
|
1053 |
successfully opened; otherwise returns false.
|
|
1054 |
|
|
1055 |
\sa unregisterResource()
|
|
1056 |
*/
|
|
1057 |
|
|
1058 |
bool
|
|
1059 |
QResource::registerResource(const QString &rccFilename, const QString &resourceRoot)
|
|
1060 |
{
|
|
1061 |
QString r = qt_resource_fixResourceRoot(resourceRoot);
|
|
1062 |
if(!r.isEmpty() && r[0] != QLatin1Char('/')) {
|
|
1063 |
qWarning("QDir::registerResource: Registering a resource [%s] must be rooted in an absolute path (start with /) [%s]",
|
|
1064 |
rccFilename.toLocal8Bit().data(), resourceRoot.toLocal8Bit().data());
|
|
1065 |
return false;
|
|
1066 |
}
|
|
1067 |
|
|
1068 |
QDynamicFileResourceRoot *root = new QDynamicFileResourceRoot(r);
|
|
1069 |
if(root->registerSelf(rccFilename)) {
|
|
1070 |
root->ref.ref();
|
|
1071 |
QMutexLocker lock(resourceMutex());
|
|
1072 |
resourceList()->append(root);
|
|
1073 |
return true;
|
|
1074 |
}
|
|
1075 |
delete root;
|
|
1076 |
return false;
|
|
1077 |
}
|
|
1078 |
|
|
1079 |
/*!
|
|
1080 |
\fn bool QResource::unregisterResource(const QString &rccFileName, const QString &mapRoot)
|
|
1081 |
|
|
1082 |
Unregisters the resource with the given \a rccFileName at the location in
|
|
1083 |
the resource tree specified by \a mapRoot, and returns true if the
|
|
1084 |
resource is successfully unloaded and no references exist for the
|
|
1085 |
resource; otherwise returns false.
|
|
1086 |
|
|
1087 |
\sa registerResource()
|
|
1088 |
*/
|
|
1089 |
|
|
1090 |
bool
|
|
1091 |
QResource::unregisterResource(const QString &rccFilename, const QString &resourceRoot)
|
|
1092 |
{
|
|
1093 |
QString r = qt_resource_fixResourceRoot(resourceRoot);
|
|
1094 |
|
|
1095 |
QMutexLocker lock(resourceMutex());
|
|
1096 |
ResourceList *list = resourceList();
|
|
1097 |
for(int i = 0; i < list->size(); ++i) {
|
|
1098 |
QResourceRoot *res = list->at(i);
|
|
1099 |
if(res->type() == QResourceRoot::Resource_File) {
|
|
1100 |
QDynamicFileResourceRoot *root = reinterpret_cast<QDynamicFileResourceRoot*>(res);
|
|
1101 |
if(root->mappingFile() == rccFilename && root->mappingRoot() == r) {
|
|
1102 |
resourceList()->removeAt(i);
|
|
1103 |
if(!root->ref.deref()) {
|
|
1104 |
delete root;
|
|
1105 |
return true;
|
|
1106 |
}
|
|
1107 |
return false;
|
|
1108 |
}
|
|
1109 |
}
|
|
1110 |
}
|
|
1111 |
return false;
|
|
1112 |
}
|
|
1113 |
|
|
1114 |
|
|
1115 |
/*!
|
|
1116 |
\fn bool QResource::registerResource(const uchar *rccData, const QString &mapRoot)
|
|
1117 |
\since 4.3
|
|
1118 |
|
|
1119 |
Registers the resource with the given \a rccData at the location in the
|
|
1120 |
resource tree specified by \a mapRoot, and returns true if the file is
|
|
1121 |
successfully opened; otherwise returns false.
|
|
1122 |
|
|
1123 |
\warning The data must remain valid throughout the life of any QFile
|
|
1124 |
that may reference the resource data.
|
|
1125 |
|
|
1126 |
\sa unregisterResource()
|
|
1127 |
*/
|
|
1128 |
|
|
1129 |
bool
|
|
1130 |
QResource::registerResource(const uchar *rccData, const QString &resourceRoot)
|
|
1131 |
{
|
|
1132 |
QString r = qt_resource_fixResourceRoot(resourceRoot);
|
|
1133 |
if(!r.isEmpty() && r[0] != QLatin1Char('/')) {
|
|
1134 |
qWarning("QDir::registerResource: Registering a resource [%p] must be rooted in an absolute path (start with /) [%s]",
|
|
1135 |
rccData, resourceRoot.toLocal8Bit().data());
|
|
1136 |
return false;
|
|
1137 |
}
|
|
1138 |
|
|
1139 |
QDynamicBufferResourceRoot *root = new QDynamicBufferResourceRoot(r);
|
|
1140 |
if(root->registerSelf(rccData)) {
|
|
1141 |
root->ref.ref();
|
|
1142 |
QMutexLocker lock(resourceMutex());
|
|
1143 |
resourceList()->append(root);
|
|
1144 |
return true;
|
|
1145 |
}
|
|
1146 |
delete root;
|
|
1147 |
return false;
|
|
1148 |
}
|
|
1149 |
|
|
1150 |
/*!
|
|
1151 |
\fn bool QResource::unregisterResource(const uchar *rccData, const QString &mapRoot)
|
|
1152 |
\since 4.3
|
|
1153 |
|
|
1154 |
Unregisters the resource with the given \a rccData at the location in the
|
|
1155 |
resource tree specified by \a mapRoot, and returns true if the resource is
|
|
1156 |
successfully unloaded and no references exist into the resource; otherwise returns false.
|
|
1157 |
|
|
1158 |
\sa registerResource()
|
|
1159 |
*/
|
|
1160 |
|
|
1161 |
bool
|
|
1162 |
QResource::unregisterResource(const uchar *rccData, const QString &resourceRoot)
|
|
1163 |
{
|
|
1164 |
QString r = qt_resource_fixResourceRoot(resourceRoot);
|
|
1165 |
|
|
1166 |
QMutexLocker lock(resourceMutex());
|
|
1167 |
ResourceList *list = resourceList();
|
|
1168 |
for(int i = 0; i < list->size(); ++i) {
|
|
1169 |
QResourceRoot *res = list->at(i);
|
|
1170 |
if(res->type() == QResourceRoot::Resource_Buffer) {
|
|
1171 |
QDynamicBufferResourceRoot *root = reinterpret_cast<QDynamicBufferResourceRoot*>(res);
|
|
1172 |
if(root->mappingBuffer() == rccData && root->mappingRoot() == r) {
|
|
1173 |
resourceList()->removeAt(i);
|
|
1174 |
if(!root->ref.deref()) {
|
|
1175 |
delete root;
|
|
1176 |
return true;
|
|
1177 |
}
|
|
1178 |
return false;
|
|
1179 |
}
|
|
1180 |
}
|
|
1181 |
}
|
|
1182 |
return false;
|
|
1183 |
}
|
|
1184 |
|
|
1185 |
//file type handler
|
|
1186 |
class QResourceFileEngineHandler : public QAbstractFileEngineHandler
|
|
1187 |
{
|
|
1188 |
public:
|
|
1189 |
QResourceFileEngineHandler() { }
|
|
1190 |
~QResourceFileEngineHandler() { }
|
|
1191 |
QAbstractFileEngine *create(const QString &path) const;
|
|
1192 |
};
|
|
1193 |
QAbstractFileEngine *QResourceFileEngineHandler::create(const QString &path) const
|
|
1194 |
{
|
|
1195 |
if (path.size() > 0 && path.startsWith(QLatin1Char(':')))
|
|
1196 |
return new QResourceFileEngine(path);
|
|
1197 |
return 0;
|
|
1198 |
}
|
|
1199 |
|
|
1200 |
//resource engine
|
|
1201 |
class QResourceFileEnginePrivate : public QAbstractFileEnginePrivate
|
|
1202 |
{
|
|
1203 |
protected:
|
|
1204 |
Q_DECLARE_PUBLIC(QResourceFileEngine)
|
|
1205 |
private:
|
|
1206 |
uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
|
|
1207 |
bool unmap(uchar *ptr);
|
|
1208 |
qint64 offset;
|
|
1209 |
QResource resource;
|
|
1210 |
QByteArray uncompressed;
|
|
1211 |
protected:
|
|
1212 |
QResourceFileEnginePrivate() : offset(0) { }
|
|
1213 |
};
|
|
1214 |
|
|
1215 |
bool QResourceFileEngine::mkdir(const QString &, bool) const
|
|
1216 |
{
|
|
1217 |
return false;
|
|
1218 |
}
|
|
1219 |
|
|
1220 |
bool QResourceFileEngine::rmdir(const QString &, bool) const
|
|
1221 |
{
|
|
1222 |
return false;
|
|
1223 |
}
|
|
1224 |
|
|
1225 |
bool QResourceFileEngine::setSize(qint64)
|
|
1226 |
{
|
|
1227 |
return false;
|
|
1228 |
}
|
|
1229 |
|
|
1230 |
QStringList QResourceFileEngine::entryList(QDir::Filters filters, const QStringList &filterNames) const
|
|
1231 |
{
|
|
1232 |
return QAbstractFileEngine::entryList(filters, filterNames);
|
|
1233 |
}
|
|
1234 |
|
|
1235 |
bool QResourceFileEngine::caseSensitive() const
|
|
1236 |
{
|
|
1237 |
return true;
|
|
1238 |
}
|
|
1239 |
|
|
1240 |
QResourceFileEngine::QResourceFileEngine(const QString &file) :
|
|
1241 |
QAbstractFileEngine(*new QResourceFileEnginePrivate)
|
|
1242 |
{
|
|
1243 |
Q_D(QResourceFileEngine);
|
|
1244 |
d->resource.setFileName(file);
|
|
1245 |
if(d->resource.isCompressed() && d->resource.size()) {
|
|
1246 |
#ifndef QT_NO_COMPRESS
|
|
1247 |
d->uncompressed = qUncompress(d->resource.data(), d->resource.size());
|
|
1248 |
#else
|
|
1249 |
Q_ASSERT(!"QResourceFileEngine::open: Qt built without support for compression");
|
|
1250 |
#endif
|
|
1251 |
}
|
|
1252 |
}
|
|
1253 |
|
|
1254 |
QResourceFileEngine::~QResourceFileEngine()
|
|
1255 |
{
|
|
1256 |
}
|
|
1257 |
|
|
1258 |
void QResourceFileEngine::setFileName(const QString &file)
|
|
1259 |
{
|
|
1260 |
Q_D(QResourceFileEngine);
|
|
1261 |
d->resource.setFileName(file);
|
|
1262 |
}
|
|
1263 |
|
|
1264 |
bool QResourceFileEngine::open(QIODevice::OpenMode flags)
|
|
1265 |
{
|
|
1266 |
Q_D(QResourceFileEngine);
|
|
1267 |
if (d->resource.fileName().isEmpty()) {
|
|
1268 |
qWarning("QResourceFileEngine::open: Missing file name");
|
|
1269 |
return false;
|
|
1270 |
}
|
|
1271 |
if(flags & QIODevice::WriteOnly)
|
|
1272 |
return false;
|
|
1273 |
if(!d->resource.isValid())
|
|
1274 |
return false;
|
|
1275 |
return true;
|
|
1276 |
}
|
|
1277 |
|
|
1278 |
bool QResourceFileEngine::close()
|
|
1279 |
{
|
|
1280 |
Q_D(QResourceFileEngine);
|
|
1281 |
d->offset = 0;
|
|
1282 |
d->uncompressed.clear();
|
|
1283 |
return true;
|
|
1284 |
}
|
|
1285 |
|
|
1286 |
bool QResourceFileEngine::flush()
|
|
1287 |
{
|
|
1288 |
return false;
|
|
1289 |
}
|
|
1290 |
|
|
1291 |
qint64 QResourceFileEngine::read(char *data, qint64 len)
|
|
1292 |
{
|
|
1293 |
Q_D(QResourceFileEngine);
|
|
1294 |
if(len > size()-d->offset)
|
|
1295 |
len = size()-d->offset;
|
|
1296 |
if(len <= 0)
|
|
1297 |
return 0;
|
|
1298 |
if(d->resource.isCompressed())
|
|
1299 |
memcpy(data, d->uncompressed.constData()+d->offset, len);
|
|
1300 |
else
|
|
1301 |
memcpy(data, d->resource.data()+d->offset, len);
|
|
1302 |
d->offset += len;
|
|
1303 |
return len;
|
|
1304 |
}
|
|
1305 |
|
|
1306 |
qint64 QResourceFileEngine::write(const char *, qint64)
|
|
1307 |
{
|
|
1308 |
return -1;
|
|
1309 |
}
|
|
1310 |
|
|
1311 |
bool QResourceFileEngine::remove()
|
|
1312 |
{
|
|
1313 |
return false;
|
|
1314 |
}
|
|
1315 |
|
|
1316 |
bool QResourceFileEngine::copy(const QString &)
|
|
1317 |
{
|
|
1318 |
return false;
|
|
1319 |
}
|
|
1320 |
|
|
1321 |
bool QResourceFileEngine::rename(const QString &)
|
|
1322 |
{
|
|
1323 |
return false;
|
|
1324 |
}
|
|
1325 |
|
|
1326 |
bool QResourceFileEngine::link(const QString &)
|
|
1327 |
{
|
|
1328 |
return false;
|
|
1329 |
}
|
|
1330 |
|
|
1331 |
qint64 QResourceFileEngine::size() const
|
|
1332 |
{
|
|
1333 |
Q_D(const QResourceFileEngine);
|
|
1334 |
if(!d->resource.isValid())
|
|
1335 |
return 0;
|
|
1336 |
if(d->resource.isCompressed())
|
|
1337 |
return d->uncompressed.size();
|
|
1338 |
return d->resource.size();
|
|
1339 |
}
|
|
1340 |
|
|
1341 |
qint64 QResourceFileEngine::pos() const
|
|
1342 |
{
|
|
1343 |
Q_D(const QResourceFileEngine);
|
|
1344 |
return d->offset;
|
|
1345 |
}
|
|
1346 |
|
|
1347 |
bool QResourceFileEngine::atEnd() const
|
|
1348 |
{
|
|
1349 |
Q_D(const QResourceFileEngine);
|
|
1350 |
if(!d->resource.isValid())
|
|
1351 |
return true;
|
|
1352 |
return d->offset == size();
|
|
1353 |
}
|
|
1354 |
|
|
1355 |
bool QResourceFileEngine::seek(qint64 pos)
|
|
1356 |
{
|
|
1357 |
Q_D(QResourceFileEngine);
|
|
1358 |
if(!d->resource.isValid())
|
|
1359 |
return false;
|
|
1360 |
|
|
1361 |
if(d->offset > size())
|
|
1362 |
return false;
|
|
1363 |
d->offset = pos;
|
|
1364 |
return true;
|
|
1365 |
}
|
|
1366 |
|
|
1367 |
bool QResourceFileEngine::isSequential() const
|
|
1368 |
{
|
|
1369 |
return false;
|
|
1370 |
}
|
|
1371 |
|
|
1372 |
QAbstractFileEngine::FileFlags QResourceFileEngine::fileFlags(QAbstractFileEngine::FileFlags type) const
|
|
1373 |
{
|
|
1374 |
Q_D(const QResourceFileEngine);
|
|
1375 |
QAbstractFileEngine::FileFlags ret = 0;
|
|
1376 |
if(!d->resource.isValid())
|
|
1377 |
return ret;
|
|
1378 |
|
|
1379 |
if(type & PermsMask)
|
|
1380 |
ret |= QAbstractFileEngine::FileFlags(ReadOwnerPerm|ReadUserPerm|ReadGroupPerm|ReadOtherPerm);
|
|
1381 |
if(type & TypesMask) {
|
|
1382 |
if(d->resource.isDir())
|
|
1383 |
ret |= DirectoryType;
|
|
1384 |
else
|
|
1385 |
ret |= FileType;
|
|
1386 |
}
|
|
1387 |
if(type & FlagsMask) {
|
|
1388 |
ret |= ExistsFlag;
|
|
1389 |
if(d->resource.absoluteFilePath() == QLatin1String(":/"))
|
|
1390 |
ret |= RootFlag;
|
|
1391 |
}
|
|
1392 |
return ret;
|
|
1393 |
}
|
|
1394 |
|
|
1395 |
bool QResourceFileEngine::setPermissions(uint)
|
|
1396 |
{
|
|
1397 |
return false;
|
|
1398 |
}
|
|
1399 |
|
|
1400 |
QString QResourceFileEngine::fileName(FileName file) const
|
|
1401 |
{
|
|
1402 |
Q_D(const QResourceFileEngine);
|
|
1403 |
if(file == BaseName) {
|
|
1404 |
int slash = d->resource.fileName().lastIndexOf(QLatin1Char('/'));
|
|
1405 |
if (slash == -1)
|
|
1406 |
return d->resource.fileName();
|
|
1407 |
return d->resource.fileName().mid(slash + 1);
|
|
1408 |
} else if(file == PathName || file == AbsolutePathName) {
|
|
1409 |
const QString path = (file == AbsolutePathName) ? d->resource.absoluteFilePath() : d->resource.fileName();
|
|
1410 |
const int slash = path.lastIndexOf(QLatin1Char('/'));
|
|
1411 |
if (slash != -1)
|
|
1412 |
return path.left(slash);
|
|
1413 |
} else if(file == CanonicalName || file == CanonicalPathName) {
|
|
1414 |
const QString absoluteFilePath = d->resource.absoluteFilePath();
|
|
1415 |
if(file == CanonicalPathName) {
|
|
1416 |
const int slash = absoluteFilePath.lastIndexOf(QLatin1Char('/'));
|
|
1417 |
if (slash != -1)
|
|
1418 |
return absoluteFilePath.left(slash);
|
|
1419 |
}
|
|
1420 |
return absoluteFilePath;
|
|
1421 |
}
|
|
1422 |
return d->resource.fileName();
|
|
1423 |
}
|
|
1424 |
|
|
1425 |
bool QResourceFileEngine::isRelativePath() const
|
|
1426 |
{
|
|
1427 |
return false;
|
|
1428 |
}
|
|
1429 |
|
|
1430 |
uint QResourceFileEngine::ownerId(FileOwner) const
|
|
1431 |
{
|
|
1432 |
static const uint nobodyID = (uint) -2;
|
|
1433 |
return nobodyID;
|
|
1434 |
}
|
|
1435 |
|
|
1436 |
QString QResourceFileEngine::owner(FileOwner) const
|
|
1437 |
{
|
|
1438 |
return QString();
|
|
1439 |
}
|
|
1440 |
|
|
1441 |
QDateTime QResourceFileEngine::fileTime(FileTime) const
|
|
1442 |
{
|
|
1443 |
return QDateTime();
|
|
1444 |
}
|
|
1445 |
|
|
1446 |
/*!
|
|
1447 |
\internal
|
|
1448 |
*/
|
|
1449 |
QAbstractFileEngine::Iterator *QResourceFileEngine::beginEntryList(QDir::Filters filters,
|
|
1450 |
const QStringList &filterNames)
|
|
1451 |
{
|
|
1452 |
return new QResourceFileEngineIterator(filters, filterNames);
|
|
1453 |
}
|
|
1454 |
|
|
1455 |
/*!
|
|
1456 |
\internal
|
|
1457 |
*/
|
|
1458 |
QAbstractFileEngine::Iterator *QResourceFileEngine::endEntryList()
|
|
1459 |
{
|
|
1460 |
return 0;
|
|
1461 |
}
|
|
1462 |
|
|
1463 |
bool QResourceFileEngine::extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output)
|
|
1464 |
{
|
|
1465 |
Q_D(QResourceFileEngine);
|
|
1466 |
if (extension == MapExtension) {
|
|
1467 |
const MapExtensionOption *options = (MapExtensionOption*)(option);
|
|
1468 |
MapExtensionReturn *returnValue = static_cast<MapExtensionReturn*>(output);
|
|
1469 |
returnValue->address = d->map(options->offset, options->size, options->flags);
|
|
1470 |
return (returnValue->address != 0);
|
|
1471 |
}
|
|
1472 |
if (extension == UnMapExtension) {
|
|
1473 |
UnMapExtensionOption *options = (UnMapExtensionOption*)option;
|
|
1474 |
return d->unmap(options->address);
|
|
1475 |
}
|
|
1476 |
return false;
|
|
1477 |
}
|
|
1478 |
|
|
1479 |
bool QResourceFileEngine::supportsExtension(Extension extension) const
|
|
1480 |
{
|
|
1481 |
return (extension == UnMapExtension || extension == MapExtension);
|
|
1482 |
}
|
|
1483 |
|
|
1484 |
uchar *QResourceFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
|
|
1485 |
{
|
|
1486 |
Q_Q(QResourceFileEngine);
|
|
1487 |
Q_UNUSED(flags);
|
|
1488 |
if (offset < 0 || size <= 0 || !resource.isValid() || offset + size > resource.size()) {
|
|
1489 |
q->setError(QFile::UnspecifiedError, QString());
|
|
1490 |
return 0;
|
|
1491 |
}
|
|
1492 |
uchar *address = const_cast<uchar *>(resource.data());
|
|
1493 |
return (address + offset);
|
|
1494 |
}
|
|
1495 |
|
|
1496 |
bool QResourceFileEnginePrivate::unmap(uchar *ptr)
|
|
1497 |
{
|
|
1498 |
Q_UNUSED(ptr);
|
|
1499 |
return true;
|
|
1500 |
}
|
|
1501 |
|
|
1502 |
//Initialization and cleanup
|
|
1503 |
Q_GLOBAL_STATIC(QResourceFileEngineHandler, resource_file_handler)
|
|
1504 |
|
|
1505 |
static int qt_force_resource_init() { resource_file_handler(); return 1; }
|
|
1506 |
Q_CORE_EXPORT void qInitResourceIO() { resource_file_handler(); }
|
|
1507 |
static int qt_forced_resource_init = qt_force_resource_init();
|
|
1508 |
Q_CONSTRUCTOR_FUNCTION(qt_force_resource_init)
|
|
1509 |
|
|
1510 |
QT_END_NAMESPACE
|