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-rw-r--r--src/qml/qml/qqmlbundle.cpp310
1 files changed, 0 insertions, 310 deletions
diff --git a/src/qml/qml/qqmlbundle.cpp b/src/qml/qml/qqmlbundle.cpp
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index 1034dd1b4c..0000000000
--- a/src/qml/qml/qqmlbundle.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the QtQml module 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 Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/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.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights. These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qqmlbundle_p.h"
-#include <iostream>
-#include <cstdlib>
-
-static const unsigned char qmlBundleHeaderData[] = { 255, 'q', 'm', 'l', 'd', 'i', 'r', 255 };
-static const unsigned int qmlBundleHeaderLength = 8;
-
-//
-// Entries
-//
-QString QQmlBundle::FileEntry::fileName() const
-{
- return QString((QChar *)&data[0], fileNameLength / sizeof(QChar));
-}
-
-bool QQmlBundle::FileEntry::isFileName(const QString &fileName) const
-{
- return fileName.length() * sizeof(QChar) == (unsigned)fileNameLength &&
- 0 == ::memcmp(fileName.constData(), &data[0], fileNameLength);
-}
-
-const char *QQmlBundle::FileEntry::contents() const {
- return &data[fileNameLength];
-}
-
-quint32 QQmlBundle::FileEntry::fileSize() const
-{
- return size - (sizeof(FileEntry) + fileNameLength);
-}
-
-
-//
-// QQmlBundle
-//
-QQmlBundle::QQmlBundle(const QString &fileName)
-: file(fileName),
- buffer(0),
- bufferSize(0),
- opened(false),
- headerWritten(false)
-{
-}
-
-QQmlBundle::~QQmlBundle()
-{
- close();
-}
-
-bool QQmlBundle::open(QIODevice::OpenMode mode)
-{
- if (!opened) {
- if (!file.open(mode))
- return false;
-
- bufferSize = file.size();
- buffer = file.map(0, bufferSize);
-
- if (bufferSize == 0 ||
- (bufferSize >= 8 && 0 == ::memcmp(buffer, qmlBundleHeaderData, qmlBundleHeaderLength))) {
- opened = true;
- headerWritten = false;
- return true;
- } else {
- close();
- return false;
- }
- }
- return true;
-}
-
-void QQmlBundle::close()
-{
- if (opened) {
- opened = false;
- headerWritten = false;
- file.unmap(buffer);
- file.close();
- }
-}
-
-QList<const QQmlBundle::FileEntry *> QQmlBundle::files() const
-{
- QList<const FileEntry *> files;
- const char *ptr = (const char *) buffer + qmlBundleHeaderLength;
- const char *end = (const char *) buffer + bufferSize;
-
- while (ptr < end) {
- const Entry *cmd = (const Entry *) ptr;
-
- switch (static_cast<Entry::Kind>(cmd->kind)) {
- case Entry::File: {
- const FileEntry *f = reinterpret_cast<const FileEntry *>(cmd);
- files.append(f);
- } break;
-
- case Entry::Link:
- case Entry::Skip: {
- // Skip
- } break;
-
- default:
- // throw an error
- return QList<const FileEntry *>();
- } // switch
-
- ptr += cmd->size;
- Q_ASSERT(ptr <= end); // throw an error
- }
- return files;
-}
-
-void QQmlBundle::remove(const FileEntry *entry)
-{
- Q_ASSERT(entry->kind == Entry::File); // ### throw an error
- Q_ASSERT(file.isWritable());
- const_cast<FileEntry *>(entry)->kind = Entry::Skip;
-}
-
-int QQmlBundle::bundleHeaderLength()
-{
- return qmlBundleHeaderLength;
-}
-
-bool QQmlBundle::isBundleHeader(const char *data, int size)
-{
- if ((unsigned int)size < qmlBundleHeaderLength)
- return false;
-
- return 0 == ::memcmp(data, qmlBundleHeaderData, qmlBundleHeaderLength);
-}
-
-//
-// find a some empty space we can use to insert new entries.
-//
-const QQmlBundle::Entry *QQmlBundle::findInsertPoint(quint32 size, qint32 *offset)
-{
- const char *ptr = (const char *) buffer + qmlBundleHeaderLength;
- const char *end = (const char *) buffer + bufferSize;
-
- while (ptr < end) {
- const Entry *cmd = (const Entry *) ptr;
-
- if (cmd->kind == Entry::Skip && size + sizeof(RawEntry) < cmd->size) {
- *offset = ptr - ((const char *) buffer + qmlBundleHeaderLength);
- return cmd;
- }
-
- ptr += cmd->size;
- Q_ASSERT(ptr <= end); // throw an error
- }
-
- return 0;
-}
-
-const QQmlBundle::FileEntry *QQmlBundle::find(const QString &fileName) const
-{
- const char *ptr = (const char *) buffer + qmlBundleHeaderLength;
- const char *end = (const char *) buffer + bufferSize;
-
- while (ptr < end) {
- const Entry *cmd = (const Entry *) ptr;
-
- if (cmd->kind == Entry::File) {
- const FileEntry *fileEntry = static_cast<const FileEntry *>(cmd);
-
- if (fileEntry->isFileName(fileName))
- return fileEntry;
- }
-
- ptr += cmd->size;
- Q_ASSERT(ptr <= end); // throw an error
- }
-
- return 0;
-}
-
-const QQmlBundle::FileEntry *QQmlBundle::link(const FileEntry *entry, const QString &linkName) const
-{
- const char *ptr = (const char *) buffer + entry->link;
-
- while (ptr != (const char *)buffer) {
- const Entry *cmd = (const Entry *) ptr;
- Q_ASSERT(cmd->kind == Entry::Link);
-
- const FileEntry *fileEntry = static_cast<const FileEntry *>(cmd);
- if (fileEntry->fileName() == linkName)
- return fileEntry;
-
- ptr = (const char *) buffer + fileEntry->link;
- }
-
- return 0;
-}
-
-const QQmlBundle::FileEntry *QQmlBundle::find(const QChar *fileName, int length) const
-{
- return find(QString::fromRawData(fileName, length));
-}
-
-bool QQmlBundle::add(const QString &name, const QString &fileName)
-{
- if (!file.isWritable())
- return false;
- else if (find(fileName))
- return false;
-
- QFile inputFile(fileName);
- if (!inputFile.open(QFile::ReadOnly))
- return false;
-
- // ### use best-fit algorithm
- if (!file.atEnd())
- file.seek(file.size());
-
- FileEntry cmd;
- const quint32 inputFileSize = inputFile.size();
-
- cmd.kind = Entry::File;
- cmd.link = 0;
- cmd.size = sizeof(FileEntry) + name.length() * sizeof(QChar) + inputFileSize;
- cmd.fileNameLength = name.length() * sizeof(QChar);
-
- if (bufferSize == 0 && headerWritten == false) {
- file.write((const char *)qmlBundleHeaderData, qmlBundleHeaderLength);
- headerWritten = true;
- }
-
- file.write((const char *) &cmd, sizeof(FileEntry));
- file.write((const char *) name.constData(), name.length() * sizeof(QChar));
-
- uchar *source = inputFile.map(0, inputFileSize);
- file.write((const char *) source, inputFileSize);
- inputFile.unmap(source);
- return true;
-}
-
-bool QQmlBundle::add(const QString &fileName)
-{
- return add(fileName, fileName);
-}
-
-bool QQmlBundle::addMetaLink(const QString &fileName,
- const QString &linkName,
- const QByteArray &data)
-{
- if (!file.isWritable())
- return false;
-
- const FileEntry *fileEntry = find(fileName);
- if (!fileEntry)
- return false;
-
- // ### use best-fit algorithm
- if (!file.atEnd())
- file.seek(file.size());
-
- FileEntry cmd;
-
- const quint32 inputFileSize = data.size();
-
- cmd.kind = Entry::Link;
- cmd.link = fileEntry->link;
- cmd.size = sizeof(FileEntry) + linkName.length() * sizeof(QChar) + inputFileSize;
- cmd.fileNameLength = linkName.length() * sizeof(QChar);
-
- if (bufferSize == 0 && headerWritten == false) {
- file.write((const char *)qmlBundleHeaderData, qmlBundleHeaderLength);
- headerWritten = true;
- }
-
- const_cast<FileEntry *>(fileEntry)->link = file.size();
-
- file.write((const char *) &cmd, sizeof(FileEntry));
- file.write((const char *) linkName.constData(), linkName.length() * sizeof(QChar));
- file.write((const char *) data.constData(), inputFileSize);
- return true;
-}
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