qfilesystemengine.cpp File Reference

#include "qfilesystemengine_p.h"
#include <QtCore/qdir.h>
#include <QtCore/qset.h>
#include <QtCore/qstringbuilder.h>
#include <QtCore/private/qabstractfileengine_p.h>

Go to the source code of this file.

Functions
static bool	_q_checkEntry (QFileSystemEntry &entry, QFileSystemMetaData &data, bool resolvingEntry)
static bool	_q_checkEntry (QAbstractFileEngine *&engine, bool resolvingEntry)
static bool	_q_resolveEntryAndCreateLegacyEngine_recursive (QFileSystemEntry &entry, QFileSystemMetaData &data, QAbstractFileEngine *&engine, bool resolvingEntry=false)

Function Documentation

_q_checkEntry() [1/2]

static bool _q_checkEntry ( QFileSystemEntry &  entry, QFileSystemMetaData &  data, bool  resolvingEntry  )

inlinestatic

Definition at line 124 of file qfilesystemengine.cpp.

Referenced by _q_resolveEntryAndCreateLegacyEngine_recursive().

{
    if (resolvingEntry) {
        if (!QFileSystemEngine::fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute)
                || !data.exists()) {
            data.clear();
            return false;
        }
    }

    return true;
}

_q_checkEntry() [2/2]

static bool _q_checkEntry ( QAbstractFileEngine *&  engine, bool  resolvingEntry  )

inlinestatic

Definition at line 137 of file qfilesystemengine.cpp.

{
    if (resolvingEntry) {
        if (!(engine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::ExistsFlag)) {
            delete engine;
            engine = 0;
            return false;
        }
    }

    return true;
}

_q_resolveEntryAndCreateLegacyEngine_recursive()

static bool _q_resolveEntryAndCreateLegacyEngine_recursive ( QFileSystemEntry &  entry, QFileSystemMetaData &  data, QAbstractFileEngine *&  engine, bool  resolvingEntry = false  )

static

Definition at line 150 of file qfilesystemengine.cpp.

Referenced by QFileSystemEngine::resolveEntryAndCreateLegacyEngine().

{
    QString const &filePath = entry.filePath();
    if ((engine = qt_custom_file_engine_handler_create(filePath)))
        return _q_checkEntry(engine, resolvingEntry);

#if defined(QT_BUILD_CORE_LIB)
    for (int prefixSeparator = 0; prefixSeparator < filePath.size(); ++prefixSeparator) {
        QChar const ch = filePath[prefixSeparator];
        if (ch == QLatin1Char('/'))
            break;

        if (ch == QLatin1Char(':')) {
            if (prefixSeparator == 0) {
                engine = new QResourceFileEngine(filePath);
                return _q_checkEntry(engine, resolvingEntry);
            }

            if (prefixSeparator == 1)
                break;

            const QStringList &paths = QDir::searchPaths(filePath.left(prefixSeparator));
            for (int i = 0; i < paths.count(); i++) {
                entry = QFileSystemEntry(QDir::cleanPath(paths.at(i) % QLatin1Char('/') % filePath.mid(prefixSeparator + 1)));
                // Recurse!
                if (_q_resolveEntryAndCreateLegacyEngine_recursive(entry, data, engine, true))
                    return true;
            }

            // entry may have been clobbered at this point.
            return false;
        }

        //  There's no need to fully validate the prefix here. Consulting the
        //  unicode tables could be expensive and validation is already
        //  performed in QDir::setSearchPaths.
        //
        //  if (!ch.isLetterOrNumber())
        //      break;
    }
#endif // defined(QT_BUILD_CORE_LIB)

    return _q_checkEntry(entry, data, resolvingEntry);
}