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

1 files changed, 987 insertions, 0 deletions

diff --git a/src/tools/rcc/rcc.cpp b/src/tools/rcc/rcc.cpp
new file mode 100644
index 0000000000..010a785df4
--- /dev/null
+++ b/src/tools/rcc/rcc.cpp
@@ -0,0 +1,987 @@
+/****************************************************************************
+**
+** 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 tools applications 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 "rcc.h"
+
+#include <QtCore/QByteArray>
+#include <QtCore/QDateTime>
+#include <QtCore/QDebug>
+#include <QtCore/QDir>
+#include <QtCore/QDirIterator>
+#include <QtCore/QFile>
+#include <QtCore/QIODevice>
+#include <QtCore/QLocale>
+#include <QtCore/QStack>
+
+#include <QtXml/QDomDocument>
+
+QT_BEGIN_NAMESPACE
+
+enum {
+    CONSTANT_USENAMESPACE = 1,
+    CONSTANT_COMPRESSLEVEL_DEFAULT = -1,
+    CONSTANT_COMPRESSTHRESHOLD_DEFAULT = 70
+};
+
+
+#define writeString(s) write(s, sizeof(s))
+
+void RCCResourceLibrary::write(const char *str, int len)
+{
+    --len; // trailing \0 on string literals...
+    int n = m_out.size();
+    m_out.resize(n + len);
+    memcpy(m_out.data() + n, str, len);
+}
+
+void RCCResourceLibrary::writeByteArray(const QByteArray &other)
+{
+    m_out.append(other);
+}
+
+static inline QString msgOpenReadFailed(const QString &fname, const QString &why)
+{
+    return QString::fromUtf8("Unable to open %1 for reading: %2\n").arg(fname).arg(why);
+}
+
+
+///////////////////////////////////////////////////////////
+//
+// RCCFileInfo
+//
+///////////////////////////////////////////////////////////
+
+class RCCFileInfo
+{
+public:
+    enum Flags
+    {
+        NoFlags = 0x00,
+        Compressed = 0x01,
+        Directory = 0x02
+    };
+
+    RCCFileInfo(const QString &name = QString(), const QFileInfo &fileInfo = QFileInfo(),
+                QLocale::Language language = QLocale::C,
+                QLocale::Country country = QLocale::AnyCountry,
+                uint flags = NoFlags,
+                int compressLevel = CONSTANT_COMPRESSLEVEL_DEFAULT,
+                int compressThreshold = CONSTANT_COMPRESSTHRESHOLD_DEFAULT);
+    ~RCCFileInfo();
+
+    QString resourceName() const;
+
+public:
+    qint64 writeDataBlob(RCCResourceLibrary &lib, qint64 offset, QString *errorMessage);
+    qint64 writeDataName(RCCResourceLibrary &, qint64 offset);
+    void writeDataInfo(RCCResourceLibrary &lib);
+
+    int m_flags;
+    QString m_name;
+    QLocale::Language m_language;
+    QLocale::Country m_country;
+    QFileInfo m_fileInfo;
+    RCCFileInfo *m_parent;
+    QHash<QString, RCCFileInfo*> m_children;
+    int m_compressLevel;
+    int m_compressThreshold;
+
+    qint64 m_nameOffset;
+    qint64 m_dataOffset;
+    qint64 m_childOffset;
+};
+
+RCCFileInfo::RCCFileInfo(const QString &name, const QFileInfo &fileInfo,
+    QLocale::Language language, QLocale::Country country, uint flags,
+    int compressLevel, int compressThreshold)
+{
+    m_name = name;
+    m_fileInfo = fileInfo;
+    m_language = language;
+    m_country = country;
+    m_flags = flags;
+    m_parent = 0;
+    m_nameOffset = 0;
+    m_dataOffset = 0;
+    m_childOffset = 0;
+    m_compressLevel = compressLevel;
+    m_compressThreshold = compressThreshold;
+}
+
+RCCFileInfo::~RCCFileInfo()
+{
+    qDeleteAll(m_children);
+}
+
+QString RCCFileInfo::resourceName() const
+{
+    QString resource = m_name;
+    for (RCCFileInfo *p = m_parent; p; p = p->m_parent)
+        resource = resource.prepend(p->m_name + QLatin1Char('/'));
+    return QLatin1Char(':') + resource;
+}
+
+void RCCFileInfo::writeDataInfo(RCCResourceLibrary &lib)
+{
+    const bool text = (lib.m_format == RCCResourceLibrary::C_Code);
+    //some info
+    if (text) {
+        if (m_language != QLocale::C) {
+            lib.writeString("  // ");
+            lib.writeByteArray(resourceName().toLocal8Bit());
+            lib.writeString(" [");
+            lib.writeByteArray(QByteArray::number(m_country));
+            lib.writeString("::");
+            lib.writeByteArray(QByteArray::number(m_language));
+            lib.writeString("[\n  ");
+        } else {
+            lib.writeString("  // ");
+            lib.writeByteArray(resourceName().toLocal8Bit());
+            lib.writeString("\n  ");
+        }
+    }
+
+    //pointer data
+    if (m_flags & RCCFileInfo::Directory) {
+        // name offset
+        lib.writeNumber4(m_nameOffset);
+
+        // flags
+        lib.writeNumber2(m_flags);
+
+        // child count
+        lib.writeNumber4(m_children.size());
+
+        // first child offset
+        lib.writeNumber4(m_childOffset);
+    } else {
+        // name offset
+        lib.writeNumber4(m_nameOffset);
+
+        // flags
+        lib.writeNumber2(m_flags);
+
+        // locale
+        lib.writeNumber2(m_country);
+        lib.writeNumber2(m_language);
+
+        //data offset
+        lib.writeNumber4(m_dataOffset);
+    }
+    if (text)
+        lib.writeChar('\n');
+}
+
+qint64 RCCFileInfo::writeDataBlob(RCCResourceLibrary &lib, qint64 offset,
+    QString *errorMessage)
+{
+    const bool text = (lib.m_format == RCCResourceLibrary::C_Code);
+
+    //capture the offset
+    m_dataOffset = offset;
+
+    //find the data to be written
+    QFile file(m_fileInfo.absoluteFilePath());
+    if (!file.open(QFile::ReadOnly)) {
+        *errorMessage = msgOpenReadFailed(m_fileInfo.absoluteFilePath(), file.errorString());
+        return 0;
+    }
+    QByteArray data = file.readAll();
+
+#ifndef QT_NO_COMPRESS
+    // Check if compression is useful for this file
+    if (m_compressLevel != 0 && data.size() != 0) {
+        QByteArray compressed =
+            qCompress(reinterpret_cast<uchar *>(data.data()), data.size(), m_compressLevel);
+
+        int compressRatio = int(100.0 * (data.size() - compressed.size()) / data.size());
+        if (compressRatio >= m_compressThreshold) {
+            data = compressed;
+            m_flags |= Compressed;
+        }
+    }
+#endif // QT_NO_COMPRESS
+
+    // some info
+    if (text) {
+        lib.writeString("  // ");
+        lib.writeByteArray(m_fileInfo.absoluteFilePath().toLocal8Bit());
+        lib.writeString("\n  ");
+    }
+
+    // write the length
+
+    lib.writeNumber4(data.size());
+    if (text)
+        lib.writeString("\n  ");
+    offset += 4;
+
+    // write the payload
+    const char *p = data.constData();
+    if (text) {
+        for (int i = data.size(), j = 0; --i >= 0; --j) {
+            lib.writeHex(*p++);
+            if (j == 0) {
+                lib.writeString("\n  ");
+                j = 16;
+            }
+        }
+    } else {
+        for (int i = data.size(); --i >= 0; )
+           lib.writeChar(*p++);
+    }
+    offset += data.size();
+
+    // done
+    if (text)
+        lib.writeString("\n  ");
+    return offset;
+}
+
+qint64 RCCFileInfo::writeDataName(RCCResourceLibrary &lib, qint64 offset)
+{
+    const bool text = (lib.m_format == RCCResourceLibrary::C_Code);
+
+    // capture the offset
+    m_nameOffset = offset;
+
+    // some info
+    if (text) {
+        lib.writeString("  // ");
+        lib.writeByteArray(m_name.toLocal8Bit());
+        lib.writeString("\n  ");
+    }
+
+    // write the length
+    lib.writeNumber2(m_name.length());
+    if (text)
+        lib.writeString("\n  ");
+    offset += 2;
+
+    // write the hash
+    lib.writeNumber4(qHash(m_name));
+    if (text)
+        lib.writeString("\n  ");
+    offset += 4;
+
+    // write the m_name
+    const QChar *unicode = m_name.unicode();
+    for (int i = 0; i < m_name.length(); ++i) {
+        lib.writeNumber2(unicode[i].unicode());
+        if (text && i % 16 == 0)
+            lib.writeString("\n  ");
+    }
+    offset += m_name.length()*2;
+
+    // done
+    if (text)
+        lib.writeString("\n  ");
+    return offset;
+}
+
+
+///////////////////////////////////////////////////////////
+//
+// RCCResourceLibrary
+//
+///////////////////////////////////////////////////////////
+
+RCCResourceLibrary::Strings::Strings() :
+   TAG_RCC(QLatin1String("RCC")),
+   TAG_RESOURCE(QLatin1String("qresource")),
+   TAG_FILE(QLatin1String("file")),
+   ATTRIBUTE_LANG(QLatin1String("lang")),
+   ATTRIBUTE_PREFIX(QLatin1String("prefix")),
+   ATTRIBUTE_ALIAS(QLatin1String("alias")),
+   ATTRIBUTE_THRESHOLD(QLatin1String("threshold")),
+   ATTRIBUTE_COMPRESS(QLatin1String("compress"))
+{
+}
+
+RCCResourceLibrary::RCCResourceLibrary()
+  : m_root(0),
+    m_format(C_Code),
+    m_verbose(false),
+    m_compressLevel(CONSTANT_COMPRESSLEVEL_DEFAULT),
+    m_compressThreshold(CONSTANT_COMPRESSTHRESHOLD_DEFAULT),
+    m_treeOffset(0),
+    m_namesOffset(0),
+    m_dataOffset(0),
+    m_useNameSpace(CONSTANT_USENAMESPACE),
+    m_errorDevice(0)
+{
+    m_out.reserve(30 * 1000 * 1000);
+}
+
+RCCResourceLibrary::~RCCResourceLibrary()
+{
+    delete m_root;
+}
+
+bool RCCResourceLibrary::interpretResourceFile(QIODevice *inputDevice,
+    const QString &fname, QString currentPath, bool ignoreErrors)
+{
+    Q_ASSERT(m_errorDevice);
+    const QChar slash = QLatin1Char('/');
+    if (!currentPath.isEmpty() && !currentPath.endsWith(slash))
+        currentPath += slash;
+
+    QDomDocument document;
+    {
+        QString errorMsg;
+        int errorLine = 0;
+        int errorColumn = 0;
+        if (!document.setContent(inputDevice, &errorMsg, &errorLine, &errorColumn)) {
+            if (ignoreErrors)
+                return true;
+            const QString msg = QString::fromUtf8("RCC Parse Error: '%1' Line: %2 Column: %3 [%4]\n").arg(fname).arg(errorLine).arg(errorColumn).arg(errorMsg);
+            m_errorDevice->write(msg.toUtf8());
+            return false;
+        }
+    }
+
+    QDomElement domRoot = document.firstChildElement(m_strings.TAG_RCC).toElement();
+    if (!domRoot.isNull() && domRoot.tagName() == m_strings.TAG_RCC) {
+        for (QDomNode node = domRoot.firstChild(); !node.isNull(); node = node.nextSibling()) {
+            if (!node.isElement())
+                continue;
+
+            QDomElement child = node.toElement();
+            if (!child.isNull() && child.tagName() == m_strings.TAG_RESOURCE) {
+                QLocale::Language language = QLocale::c().language();
+                QLocale::Country country = QLocale::c().country();
+
+                if (child.hasAttribute(m_strings.ATTRIBUTE_LANG)) {
+                    QString attribute = child.attribute(m_strings.ATTRIBUTE_LANG);
+                    QLocale lang = QLocale(attribute);
+                    language = lang.language();
+                    if (2 == attribute.length()) {
+                        // Language only
+                        country = QLocale::AnyCountry;
+                    } else {
+                        country = lang.country();
+                    }
+                }
+
+                QString prefix;
+                if (child.hasAttribute(m_strings.ATTRIBUTE_PREFIX))
+                    prefix = child.attribute(m_strings.ATTRIBUTE_PREFIX);
+                if (!prefix.startsWith(slash))
+                    prefix.prepend(slash);
+                if (!prefix.endsWith(slash))
+                    prefix += slash;
+
+                for (QDomNode res = child.firstChild(); !res.isNull(); res = res.nextSibling()) {
+                    if (res.isElement() && res.toElement().tagName() == m_strings.TAG_FILE) {
+
+                        QString fileName(res.firstChild().toText().data());
+                        if (fileName.isEmpty()) {
+                            const QString msg = QString::fromUtf8("RCC: Warning: Null node in XML of '%1'\n").arg(fname);
+                            m_errorDevice->write(msg.toUtf8());
+                        }
+                        QString alias;
+                        if (res.toElement().hasAttribute(m_strings.ATTRIBUTE_ALIAS))
+                            alias = res.toElement().attribute(m_strings.ATTRIBUTE_ALIAS);
+                        else
+                            alias = fileName;
+
+                        int compressLevel = m_compressLevel;
+                        if (res.toElement().hasAttribute(m_strings.ATTRIBUTE_COMPRESS))
+                            compressLevel = res.toElement().attribute(m_strings.ATTRIBUTE_COMPRESS).toInt();
+                        int compressThreshold = m_compressThreshold;
+                        if (res.toElement().hasAttribute(m_strings.ATTRIBUTE_THRESHOLD))
+                            compressThreshold = res.toElement().attribute(m_strings.ATTRIBUTE_THRESHOLD).toInt();
+
+                        // Special case for -no-compress. Overrides all other settings.
+                        if (m_compressLevel == -2)
+                            compressLevel = 0;
+
+                        alias = QDir::cleanPath(alias);
+                        while (alias.startsWith(QLatin1String("../")))
+                            alias.remove(0, 3);
+                        alias = QDir::cleanPath(m_resourceRoot) + prefix + alias;
+
+                        QString absFileName = fileName;
+                        if (QDir::isRelativePath(absFileName))
+                            absFileName.prepend(currentPath);
+                        QFileInfo file(absFileName);
+                        if (!file.exists()) {
+                            m_failedResources.push_back(absFileName);
+                            const QString msg = QString::fromUtf8("RCC: Error in '%1': Cannot find file '%2'\n").arg(fname).arg(fileName);
+                            m_errorDevice->write(msg.toUtf8());
+                            if (ignoreErrors)
+                                continue;
+                            else
+                                return false;
+                        } else if (file.isFile()) {
+                            const bool arc =
+                                addFile(alias,
+                                        RCCFileInfo(alias.section(slash, -1),
+                                                    file,
+                                                    language,
+                                                    country,
+                                                    RCCFileInfo::NoFlags,
+                                                    compressLevel,
+                                                    compressThreshold)
+                                        );
+                            if (!arc)
+                                m_failedResources.push_back(absFileName);
+                        } else {
+                            QDir dir;
+                            if (file.isDir()) {
+                                dir.setPath(file.filePath());
+                            } else {
+                                dir.setPath(file.path());
+                                dir.setNameFilters(QStringList(file.fileName()));
+                                if (alias.endsWith(file.fileName()))
+                                    alias = alias.left(alias.length()-file.fileName().length());
+                            }
+                            if (!alias.endsWith(slash))
+                                alias += slash;
+                            QDirIterator it(dir, QDirIterator::FollowSymlinks|QDirIterator::Subdirectories);
+                            while (it.hasNext()) {
+                                it.next();
+                                QFileInfo child(it.fileInfo());
+                                if (child.fileName() != QLatin1String(".") && child.fileName() != QLatin1String("..")) {
+                                    const bool arc =
+                                        addFile(alias + child.fileName(),
+                                                RCCFileInfo(child.fileName(),
+                                                            child,
+                                                            language,
+                                                            country,
+                                                            RCCFileInfo::NoFlags,
+                                                            compressLevel,
+                                                            compressThreshold)
+                                                );
+                                    if (!arc)
+                                        m_failedResources.push_back(child.fileName());
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    if (m_root == 0) {
+        const QString msg = QString::fromUtf8("RCC: Warning: No resources in '%1'.\n").arg(fname);
+        m_errorDevice->write(msg.toUtf8());
+        if (!ignoreErrors && m_format == Binary) {
+            // create dummy entry, otherwise loading qith QResource will crash
+            m_root = new RCCFileInfo(QString(), QFileInfo(),
+                    QLocale::C, QLocale::AnyCountry, RCCFileInfo::Directory);
+        }
+    }
+
+    return true;
+}
+
+bool RCCResourceLibrary::addFile(const QString &alias, const RCCFileInfo &file)
+{
+    Q_ASSERT(m_errorDevice);
+    if (file.m_fileInfo.size() > 0xffffffff) {
+        const QString msg = QString::fromUtf8("File too big: %1\n").arg(file.m_fileInfo.absoluteFilePath());
+        m_errorDevice->write(msg.toUtf8());
+        return false;
+    }
+    if (!m_root)
+        m_root = new RCCFileInfo(QString(), QFileInfo(), QLocale::C, QLocale::AnyCountry, RCCFileInfo::Directory);
+
+    RCCFileInfo *parent = m_root;
+    const QStringList nodes = alias.split(QLatin1Char('/'));
+    for (int i = 1; i < nodes.size()-1; ++i) {
+        const QString node = nodes.at(i);
+        if (node.isEmpty())
+            continue;
+        if (!parent->m_children.contains(node)) {
+            RCCFileInfo *s = new RCCFileInfo(node, QFileInfo(), QLocale::C, QLocale::AnyCountry, RCCFileInfo::Directory);
+            s->m_parent = parent;
+            parent->m_children.insert(node, s);
+            parent = s;
+        } else {
+            parent = parent->m_children[node];
+        }
+    }
+
+    const QString filename = nodes.at(nodes.size()-1);
+    RCCFileInfo *s = new RCCFileInfo(file);
+    s->m_parent = parent;
+    if (parent->m_children.contains(filename)) {
+        foreach (const QString &fileName, m_fileNames)
+            qWarning("%s: Warning: potential duplicate alias detected: '%s'",
+                     qPrintable(fileName), qPrintable(filename));
+        }
+    parent->m_children.insertMulti(filename, s);
+    return true;
+}
+
+void RCCResourceLibrary::reset()
+{
+     if (m_root) {
+        delete m_root;
+        m_root = 0;
+    }
+    m_errorDevice = 0;
+    m_failedResources.clear();
+}
+
+
+bool RCCResourceLibrary::readFiles(bool ignoreErrors, QIODevice &errorDevice)
+{
+    reset();
+    m_errorDevice = &errorDevice;
+    //read in data
+    if (m_verbose) {
+        const QString msg = QString::fromUtf8("Processing %1 files [%2]\n")
+            .arg(m_fileNames.size()).arg(static_cast<int>(ignoreErrors));
+        m_errorDevice->write(msg.toUtf8());
+    }
+    for (int i = 0; i < m_fileNames.size(); ++i) {
+        QFile fileIn;
+        QString fname = m_fileNames.at(i);
+        QString pwd;
+        if (fname == QLatin1String("-")) {
+            fname = QLatin1String("(stdin)");
+            pwd = QDir::currentPath();
+            fileIn.setFileName(fname);
+            if (!fileIn.open(stdin, QIODevice::ReadOnly)) {
+                m_errorDevice->write(msgOpenReadFailed(fname, fileIn.errorString()).toUtf8());
+                return false;
+            }
+        } else {
+            pwd = QFileInfo(fname).path();
+            fileIn.setFileName(fname);
+            if (!fileIn.open(QIODevice::ReadOnly)) {
+                m_errorDevice->write(msgOpenReadFailed(fname, fileIn.errorString()).toUtf8());
+                return false;
+            }
+        }
+        if (m_verbose) {
+            const QString msg = QString::fromUtf8("Interpreting %1\n").arg(fname);
+            m_errorDevice->write(msg.toUtf8());
+        }
+
+        if (!interpretResourceFile(&fileIn, fname, pwd, ignoreErrors))
+            return false;
+    }
+    return true;
+}
+
+QStringList RCCResourceLibrary::dataFiles() const
+{
+    QStringList ret;
+    QStack<RCCFileInfo*> pending;
+
+    if (!m_root)
+        return ret;
+    pending.push(m_root);
+    while (!pending.isEmpty()) {
+        RCCFileInfo *file = pending.pop();
+        for (QHash<QString, RCCFileInfo*>::iterator it = file->m_children.begin();
+            it != file->m_children.end(); ++it) {
+            RCCFileInfo *child = it.value();
+            if (child->m_flags & RCCFileInfo::Directory)
+                pending.push(child);
+            ret.append(child->m_fileInfo.filePath());
+        }
+    }
+    return ret;
+}
+
+// Determine map of resource identifier (':/newPrefix/images/p1.png') to file via recursion
+static void resourceDataFileMapRecursion(const RCCFileInfo *m_root, const QString &path, RCCResourceLibrary::ResourceDataFileMap &m)
+{
+    typedef QHash<QString, RCCFileInfo*>::const_iterator ChildConstIterator;
+    const QChar slash = QLatin1Char('/');
+    const ChildConstIterator cend = m_root->m_children.constEnd();
+    for (ChildConstIterator it = m_root->m_children.constBegin(); it != cend; ++it) {
+        const RCCFileInfo *child = it.value();
+        QString childName = path;
+        childName += slash;
+        childName += child->m_name;
+        if (child->m_flags & RCCFileInfo::Directory) {
+            resourceDataFileMapRecursion(child, childName, m);
+        } else {
+            m.insert(childName, child->m_fileInfo.filePath());
+        }
+    }
+}
+
+RCCResourceLibrary::ResourceDataFileMap RCCResourceLibrary::resourceDataFileMap() const
+{
+    ResourceDataFileMap rc;
+    if (m_root)
+        resourceDataFileMapRecursion(m_root, QString(QLatin1Char(':')),  rc);
+    return rc;
+}
+
+bool RCCResourceLibrary::output(QIODevice &outDevice, QIODevice &errorDevice)
+{
+    m_errorDevice = &errorDevice;
+    //write out
+    if (m_verbose)
+        m_errorDevice->write("Outputting code\n");
+    if (!writeHeader()) {
+        m_errorDevice->write("Could not write header\n");
+        return false;
+    }
+    if (m_root) {
+        if (!writeDataBlobs()) {
+            m_errorDevice->write("Could not write data blobs.\n");
+            return false;
+        }
+        if (!writeDataNames()) {
+            m_errorDevice->write("Could not write file names\n");
+            return false;
+        }
+        if (!writeDataStructure()) {
+            m_errorDevice->write("Could not write data tree\n");
+            return false;
+        }
+    }
+    if (!writeInitializer()) {
+        m_errorDevice->write("Could not write footer\n");
+        return false;
+    }
+    outDevice.write(m_out, m_out.size());
+    return true;
+}
+
+void RCCResourceLibrary::writeHex(quint8 tmp)
+{
+    const char * const digits = "0123456789abcdef";
+    writeChar('0');
+    writeChar('x');
+    if (tmp < 16) {
+        writeChar(digits[tmp]);
+    } else {
+        writeChar(digits[tmp >> 4]);
+        writeChar(digits[tmp & 0xf]);
+    }
+    writeChar(',');
+}
+
+void RCCResourceLibrary::writeNumber2(quint16 number)
+{
+    if (m_format == RCCResourceLibrary::Binary) {
+        writeChar(number >> 8);
+        writeChar(number);
+    } else {
+        writeHex(number >> 8);
+        writeHex(number);
+    }
+}
+
+void RCCResourceLibrary::writeNumber4(quint32 number)
+{
+    if (m_format == RCCResourceLibrary::Binary) {
+        writeChar(number >> 24);
+        writeChar(number >> 16);
+        writeChar(number >> 8);
+        writeChar(number);
+    } else {
+        writeHex(number >> 24);
+        writeHex(number >> 16);
+        writeHex(number >> 8);
+        writeHex(number);
+    }
+}
+
+bool RCCResourceLibrary::writeHeader()
+{
+    if (m_format == C_Code) {
+        writeString("/****************************************************************************\n");
+        writeString("** Resource object code\n");
+        writeString("**\n");
+        writeString("** Created: ");
+        writeByteArray(QDateTime::currentDateTime().toString().toLatin1());
+        writeString("\n**      by: The Resource Compiler for Qt version ");
+        writeByteArray(QT_VERSION_STR);
+        writeString("\n**\n");
+        writeString("** WARNING! All changes made in this file will be lost!\n");
+        writeString( "*****************************************************************************/\n\n");
+        writeString("#include <QtCore/qglobal.h>\n\n");
+    } else if (m_format == Binary) {
+        writeString("qres");
+        writeNumber4(0);
+        writeNumber4(0);
+        writeNumber4(0);
+        writeNumber4(0);
+    }
+    return true;
+}
+
+bool RCCResourceLibrary::writeDataBlobs()
+{
+    Q_ASSERT(m_errorDevice);
+    if (m_format == C_Code)
+        writeString("static const unsigned char qt_resource_data[] = {\n");
+    else if (m_format == Binary)
+        m_dataOffset = m_out.size();
+    QStack<RCCFileInfo*> pending;
+
+    if (!m_root)
+        return false;
+
+    pending.push(m_root);
+    qint64 offset = 0;
+    QString errorMessage;
+    while (!pending.isEmpty()) {
+        RCCFileInfo *file = pending.pop();
+        for (QHash<QString, RCCFileInfo*>::iterator it = file->m_children.begin();
+            it != file->m_children.end(); ++it) {
+            RCCFileInfo *child = it.value();
+            if (child->m_flags & RCCFileInfo::Directory)
+                pending.push(child);
+            else {
+                offset = child->writeDataBlob(*this, offset, &errorMessage);
+                if (offset == 0)
+                    m_errorDevice->write(errorMessage.toUtf8());
+            }
+        }
+    }
+    if (m_format == C_Code)
+        writeString("\n};\n\n");
+    return true;
+}
+
+bool RCCResourceLibrary::writeDataNames()
+{
+    if (m_format == C_Code)
+        writeString("static const unsigned char qt_resource_name[] = {\n");
+    else if (m_format == Binary)
+        m_namesOffset = m_out.size();
+
+    QHash<QString, int> names;
+    QStack<RCCFileInfo*> pending;
+
+    if (!m_root)
+        return false;
+
+    pending.push(m_root);
+    qint64 offset = 0;
+    while (!pending.isEmpty()) {
+        RCCFileInfo *file = pending.pop();
+        for (QHash<QString, RCCFileInfo*>::iterator it = file->m_children.begin();
+            it != file->m_children.end(); ++it) {
+            RCCFileInfo *child = it.value();
+            if (child->m_flags & RCCFileInfo::Directory)
+                pending.push(child);
+            if (names.contains(child->m_name)) {
+                child->m_nameOffset = names.value(child->m_name);
+            } else {
+                names.insert(child->m_name, offset);
+                offset = child->writeDataName(*this, offset);
+            }
+        }
+    }
+    if (m_format == C_Code)
+        writeString("\n};\n\n");
+    return true;
+}
+
+static bool qt_rcc_compare_hash(const RCCFileInfo *left, const RCCFileInfo *right)
+{
+    return qHash(left->m_name) < qHash(right->m_name);
+}
+
+bool RCCResourceLibrary::writeDataStructure()
+{
+    if (m_format == C_Code)
+        writeString("static const unsigned char qt_resource_struct[] = {\n");
+    else if (m_format == Binary)
+        m_treeOffset = m_out.size();
+    QStack<RCCFileInfo*> pending;
+
+    if (!m_root)
+        return false;
+
+    //calculate the child offsets (flat)
+    pending.push(m_root);
+    int offset = 1;
+    while (!pending.isEmpty()) {
+        RCCFileInfo *file = pending.pop();
+        file->m_childOffset = offset;
+
+        //sort by hash value for binary lookup
+        QList<RCCFileInfo*> m_children = file->m_children.values();
+        qSort(m_children.begin(), m_children.end(), qt_rcc_compare_hash);
+
+        //write out the actual data now
+        for (int i = 0; i < m_children.size(); ++i) {
+            RCCFileInfo *child = m_children.at(i);
+            ++offset;
+            if (child->m_flags & RCCFileInfo::Directory)
+                pending.push(child);
+        }
+    }
+
+    //write out the structure (ie iterate again!)
+    pending.push(m_root);
+    m_root->writeDataInfo(*this);
+    while (!pending.isEmpty()) {
+        RCCFileInfo *file = pending.pop();
+
+        //sort by hash value for binary lookup
+        QList<RCCFileInfo*> m_children = file->m_children.values();
+        qSort(m_children.begin(), m_children.end(), qt_rcc_compare_hash);
+
+        //write out the actual data now
+        for (int i = 0; i < m_children.size(); ++i) {
+            RCCFileInfo *child = m_children.at(i);
+            child->writeDataInfo(*this);
+            if (child->m_flags & RCCFileInfo::Directory)
+                pending.push(child);
+        }
+    }
+    if (m_format == C_Code)
+        writeString("\n};\n\n");
+
+    return true;
+}
+
+void RCCResourceLibrary::writeMangleNamespaceFunction(const QByteArray &name)
+{
+    if (m_useNameSpace) {
+        writeString("QT_MANGLE_NAMESPACE(");
+        writeByteArray(name);
+        writeChar(')');
+    } else {
+        writeByteArray(name);
+    }
+}
+
+void RCCResourceLibrary::writeAddNamespaceFunction(const QByteArray &name)
+{
+    if (m_useNameSpace) {
+        writeString("QT_PREPEND_NAMESPACE(");
+        writeByteArray(name);
+        writeChar(')');
+    } else {
+        writeByteArray(name);
+    }
+}
+
+bool RCCResourceLibrary::writeInitializer()
+{
+    if (m_format == C_Code) {
+        //write("\nQT_BEGIN_NAMESPACE\n");
+        QString initName = m_initName;
+        if (!initName.isEmpty()) {
+            initName.prepend(QLatin1Char('_'));
+            initName.replace(QRegExp(QLatin1String("[^a-zA-Z0-9_]")), QLatin1String("_"));
+        }
+
+        //init
+        if (m_useNameSpace)
+            writeString("QT_BEGIN_NAMESPACE\n\n");
+        if (m_root) {
+            writeString("extern Q_CORE_EXPORT bool qRegisterResourceData\n    "
+                "(int, const unsigned char *, "
+                "const unsigned char *, const unsigned char *);\n\n");
+            writeString("extern Q_CORE_EXPORT bool qUnregisterResourceData\n    "
+                "(int, const unsigned char *, "
+                "const unsigned char *, const unsigned char *);\n\n");
+        }
+        if (m_useNameSpace)
+            writeString("QT_END_NAMESPACE\n\n\n");
+        QString initResources = QLatin1String("qInitResources");
+        initResources += initName;
+        writeString("int ");
+        writeMangleNamespaceFunction(initResources.toLatin1());
+        writeString("()\n{\n");
+
+        if (m_root) {
+            writeString("    ");
+            writeAddNamespaceFunction("qRegisterResourceData");
+            writeString("\n        (0x01, qt_resource_struct, "
+                       "qt_resource_name, qt_resource_data);\n");
+        }
+        writeString("    return 1;\n");
+        writeString("}\n\n");
+        writeString("Q_CONSTRUCTOR_FUNCTION(");
+        writeMangleNamespaceFunction(initResources.toLatin1());
+        writeString(")\n\n");
+
+        //cleanup
+        QString cleanResources = QLatin1String("qCleanupResources");
+        cleanResources += initName;
+        writeString("int ");
+        writeMangleNamespaceFunction(cleanResources.toLatin1());
+        writeString("()\n{\n");
+        if (m_root) {
+            writeString("    ");
+            writeAddNamespaceFunction("qUnregisterResourceData");
+            writeString("\n       (0x01, qt_resource_struct, "
+                      "qt_resource_name, qt_resource_data);\n");
+        }
+        writeString("    return 1;\n");
+        writeString("}\n\n");
+        writeString("Q_DESTRUCTOR_FUNCTION(");
+        writeMangleNamespaceFunction(cleanResources.toLatin1());
+        writeString(")\n\n");
+    } else if (m_format == Binary) {
+        int i = 4;
+        char *p = m_out.data();
+        p[i++] = 0; // 0x01
+        p[i++] = 0;
+        p[i++] = 0;
+        p[i++] = 1;
+
+        p[i++] = (m_treeOffset >> 24) & 0xff;
+        p[i++] = (m_treeOffset >> 16) & 0xff;
+        p[i++] = (m_treeOffset >>  8) & 0xff;
+        p[i++] = (m_treeOffset >>  0) & 0xff;
+
+        p[i++] = (m_dataOffset >> 24) & 0xff;
+        p[i++] = (m_dataOffset >> 16) & 0xff;
+        p[i++] = (m_dataOffset >>  8) & 0xff;
+        p[i++] = (m_dataOffset >>  0) & 0xff;
+
+        p[i++] = (m_namesOffset >> 24) & 0xff;
+        p[i++] = (m_namesOffset >> 16) & 0xff;
+        p[i++] = (m_namesOffset >>  8) & 0xff;
+        p[i++] = (m_namesOffset >>  0) & 0xff;
+    }
+    return true;
+}
+
+QT_END_NAMESPACE