WebCore/platform/qt/FileSystemQt.cpp

   1 /*
   2  * Copyright (C) 2007 Staikos Computing Services Inc.
   3  * Copyright (C) 2007 Holger Hans Peter Freyther
   4  * Copyright (C) 2008 Apple, Inc. All rights reserved.
   5  * Copyright (C) 2008 Collabora, Ltd. All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1.  Redistributions of source code must retain the above copyright
  12  *     notice, this list of conditions and the following disclaimer.
  13  * 2.  Redistributions in binary form must reproduce the above copyright
  14  *     notice, this list of conditions and the following disclaimer in the
  15  *     documentation and/or other materials provided with the distribution.
  16  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  17  *     its contributors may be used to endorse or promote products derived
  18  *     from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  24  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  25  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include "config.h"
  33 #include "FileSystem.h"
  34
  35 #include "CString.h"
  36 #include "PlatformString.h"
  37
  38 #include <QDateTime>
  39 #include <QFile>
  40 #include <QTemporaryFile>
  41 #include <QFileInfo>
  42 #include <QDateTime>
  43 #include <QDir>
  44
  45 namespace WebCore {
  46
  47 bool fileExists(const String& path)
  48 {
  49     return QFile::exists(path);
  50 }
  51
  52
  53 bool deleteFile(const String& path)
  54 {
  55     return QFile::remove(path);
  56 }
  57
  58 bool deleteEmptyDirectory(const String& path)
  59 {
  60     return QDir::root().rmdir(path);
  61 }
  62
  63 bool getFileSize(const String& path, long long& result)
  64 {
  65     QFileInfo info(path);
  66     result = info.size();
  67     return info.exists();
  68 }
  69
  70 bool getFileModificationTime(const String& path, time_t& result)
  71 {
  72     QFileInfo info(path);
  73     result = info.lastModified().toTime_t();
  74     return info.exists();
  75 }
  76
  77 bool makeAllDirectories(const String& path)
  78 {
  79     return QDir::root().mkpath(path);
  80 }
  81
  82 String pathByAppendingComponent(const String& path, const String& component)
  83 {
  84     return QDir::toNativeSeparators(QDir(path).filePath(component));
  85 }
  86
  87 String homeDirectoryPath()
  88 {
  89     return QDir::homePath();
  90 }
  91
  92 String pathGetFileName(const String& path)
  93 {
  94     return QFileInfo(path).fileName();
  95 }
  96
  97 String directoryName(const String& path)
  98 {
  99     return String(QFileInfo(path).absolutePath());
 100 }
 101
 102 Vector<String> listDirectory(const String& path, const String& filter)
 103 {
 104     Vector<String> entries;
 105
 106     QStringList nameFilters;
 107     if (!filter.isEmpty())
 108         nameFilters.append(filter);
 109     QFileInfoList fileInfoList = QDir(path).entryInfoList(nameFilters, QDir::AllEntries | QDir::NoDotAndDotDot);
 110     foreach (const QFileInfo fileInfo, fileInfoList) {
 111         String entry = String(fileInfo.canonicalFilePath());
 112         entries.append(entry);
 113     }
 114
 115     return entries;
 116 }
 117
 118 CString openTemporaryFile(const char* prefix, PlatformFileHandle& handle)
 119 {
 120     QTemporaryFile* tempFile = new QTemporaryFile(QLatin1String(prefix));
 121     tempFile->setAutoRemove(false);
 122     QFile* temp = tempFile;
 123     if (temp->open(QIODevice::ReadWrite)) {
 124         handle = temp;
 125         return String(temp->fileName()).utf8();
 126     }
 127     handle = invalidPlatformFileHandle;
 128     return CString();
 129 }
 130
 131 void closeFile(PlatformFileHandle& handle)
 132 {
 133     if (handle) {
 134         handle->close();
 135         delete handle;
 136     }
 137 }
 138
 139 int writeToFile(PlatformFileHandle handle, const char* data, int length)
 140 {
 141     if (handle && handle->exists() && handle->isWritable())
 142         return handle->write(data, length);
 143
 144     return 0;
 145 }
 146
 147 bool unloadModule(PlatformModule module)
 148 {
 149 #if defined(Q_WS_MAC)
 150     CFRelease(module);
 151     return true;
 152
 153 #elif defined(Q_OS_WIN)
 154     return ::FreeLibrary(module);
 155
 156 #else
 157     if (module->unload()) {
 158         delete module;
 159         return true;
 160     }
 161
 162     return false;
 163 #endif
 164 }
 165
 166 }
 167
 168 // vim: ts=4 sw=4 et