///////////////////////////////////////////////////////////////////////////////
// MuldeR's Utilities for Qt
-// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
#include <process.h>
//VLD
+#ifdef _MSC_VER
#include <vld.h>
+#endif
///////////////////////////////////////////////////////////////////////////////
// Random Support
}
///////////////////////////////////////////////////////////////////////////////
+// COMPUTE PARITY
+///////////////////////////////////////////////////////////////////////////////
+
+/*
+ * Compute parity in parallel
+ * http://www.graphics.stanford.edu/~seander/bithacks.html#ParityParallel
+ */
+bool MUtils::parity(quint32 value)
+{
+ value ^= value >> 16;
+ value ^= value >> 8;
+ value ^= value >> 4;
+ value &= 0xf;
+ return ((0x6996 >> value) & 1) != 0;
+}
+
+///////////////////////////////////////////////////////////////////////////////
// TEMP FOLDER
///////////////////////////////////////////////////////////////////////////////
static QScopedPointer<MUtils::Internal::DirLock> g_temp_folder_file;
-static QReadWriteLock g_temp_folder_lock;
+static QReadWriteLock g_temp_folder_lock;
static QString try_create_subfolder(const QString &baseDir, const QString &postfix)
{
return NULL;
}
+static bool temp_folder_cleanup_helper(const QString &tempPath)
+{
+ size_t delay = 1;
+ static const size_t MAX_DELAY = 8192;
+ forever
+ {
+ QDir::setCurrent(QDir::rootPath());
+ if(MUtils::remove_directory(tempPath, true))
+ {
+ return true;
+ }
+ else
+ {
+ if(delay > MAX_DELAY)
+ {
+ return false;
+ }
+ MUtils::OS::sleep_ms(delay);
+ delay *= 2;
+ }
+ }
+}
+
+static void temp_folder_cleaup(void)
+{
+ QWriteLocker writeLock(&g_temp_folder_lock);
+
+ //Clean the directory
+ while(!g_temp_folder_file.isNull())
+ {
+ const QString tempPath = g_temp_folder_file->getPath();
+ g_temp_folder_file.reset(NULL);
+ if(!temp_folder_cleanup_helper(tempPath))
+ {
+ MUtils::OS::system_message_wrn(L"Temp Cleaner", L"Warning: Not all temporary files could be removed!");
+ }
+ }
+}
+
const QString &MUtils::temp_folder(void)
{
QReadLocker readLock(&g_temp_folder_lock);
//Already initialized?
if(!g_temp_folder_file.isNull())
{
- return g_temp_folder_file->path();
+ return g_temp_folder_file->getPath();
}
//Obtain the write lock to initilaize
//Still uninitilaized?
if(!g_temp_folder_file.isNull())
{
- return g_temp_folder_file->path();
+ return g_temp_folder_file->getPath();
}
//Try the %TMP% or %TEMP% directory first
if(MUtils::Internal::DirLock *lockFile = try_init_temp_folder(QDir::tempPath()))
{
g_temp_folder_file.reset(lockFile);
- return lockFile->path();
+ atexit(temp_folder_cleaup);
+ return lockFile->getPath();
}
qWarning("%%TEMP%% directory not found -> trying fallback mode now!");
if(MUtils::Internal::DirLock *lockFile = try_init_temp_folder(tempRoot))
{
g_temp_folder_file.reset(lockFile);
- return lockFile->path();
+ atexit(temp_folder_cleaup);
+ return lockFile->getPath();
}
}
}
// REMOVE DIRECTORY / FILE
///////////////////////////////////////////////////////////////////////////////
+static const QFile::Permissions FILE_PERMISSIONS_NONE = QFile::ReadOther | QFile::WriteOther;
+
bool MUtils::remove_file(const QString &fileName)
{
QFileInfo fileInfo(fileName);
for(int i = 0; i < 32; i++)
{
QFile file(fileName);
- file.setPermissions(QFile::ReadOther | QFile::WriteOther);
- if(file.remove())
+ file.setPermissions(FILE_PERMISSIONS_NONE);
+ if((!(fileInfo.exists() && fileInfo.isFile())) || file.remove())
{
return true;
}
+ fileInfo.refresh();
}
qWarning("Could not delete \"%s\"", MUTILS_UTF8(fileName));
return false;
}
-bool MUtils::remove_directory(const QString &folderPath)
+static bool remove_directory_helper(const QDir &folder)
{
- QDir folder(folderPath);
if(!folder.exists())
{
return true;
}
-
- const QFileInfoList entryList = folder.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
- for(int i = 0; i < entryList.count(); i++)
+ const QString dirName = folder.dirName();
+ if(!dirName.isEmpty())
{
- if(entryList.at(i).isDir())
+ QDir parent(folder);
+ if(parent.cdUp())
{
- remove_directory(entryList.at(i).canonicalFilePath());
+ QFile::setPermissions(folder.absolutePath(), FILE_PERMISSIONS_NONE);
+ if(parent.rmdir(dirName))
+ {
+ return true;
+ }
}
- else
+ }
+ return false;
+}
+
+bool MUtils::remove_directory(const QString &folderPath, const bool &recursive)
+{
+ QDir folder(folderPath);
+ if(!folder.exists())
+ {
+ return true;
+ }
+
+ if(recursive)
+ {
+ const QFileInfoList entryList = folder.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
+ for(QFileInfoList::ConstIterator iter = entryList.constBegin(); iter != entryList.constEnd(); iter++)
{
- remove_file(entryList.at(i).canonicalFilePath());
+ if(iter->isDir())
+ {
+ remove_directory(iter->canonicalFilePath(), true);
+ }
+ else if(iter->isFile())
+ {
+ remove_file(iter->canonicalFilePath());
+ }
}
}
for(int i = 0; i < 32; i++)
{
- if(folder.rmdir("."))
+ if(remove_directory_helper(folder))
{
return true;
}
+ folder.refresh();
}
qWarning("Could not rmdir \"%s\"", MUTILS_UTF8(folderPath));
}
///////////////////////////////////////////////////////////////////////////////
+// REGULAR EXPESSION HELPER
+///////////////////////////////////////////////////////////////////////////////
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 &value)
+{
+ return regexp_parse_uint32(regexp, &value, 1);
+}
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 *values, const size_t &count)
+{
+ const QStringList caps = regexp.capturedTexts();
+
+ if(caps.isEmpty() || (quint32(caps.count()) <= count))
+ {
+ return false;
+ }
+
+ for(size_t i = 0; i < count; i++)
+ {
+ bool ok = false;
+ values[i] = caps[i+1].toUInt(&ok);
+ if(!ok)
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+///////////////////////////////////////////////////////////////////////////////
// AVAILABLE CODEPAGES
///////////////////////////////////////////////////////////////////////////////
static const bool MY_DEBUG_FLAG = MUTILS_DEBUG;
static const char *const MY_BUILD_KEY = __DATE__"@"__TIME__;
- if(strncmp(buildKey, MY_BUILD_KEY, 14) || (MY_DEBUG_FLAG != debug))
+ if(strncmp(buildKey, MY_BUILD_KEY, 13) || (MY_DEBUG_FLAG != debug))
{
MUtils::OS::system_message_err(L"MUtils", L"FATAL ERROR: MUtils library version mismatch detected!");
MUtils::OS::system_message_wrn(L"MUtils", L"Please re-build the complete solution in order to fix this issue!");
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