///////////////////////////////////////////////////////////////////////////////
// MuldeR's Utilities for Qt
-// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2019 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
#define _CRT_RAND_S 1
#endif
+//MUtils
#include <MUtils/Global.h>
+#include <MUtils/OSSupport.h>
+#include <MUtils/Version.h>
+#include "Internal.h"
+
+//Internal
+#include "DirLocker.h"
+#include "3rd_party/strnatcmp/include/strnatcmp.h"
+
+//Qt
+#include <QDir>
+#include <QReadWriteLock>
+#include <QProcess>
+#include <QTextCodec>
+#include <QPair>
+#include <QHash>
+#include <QListIterator>
+#include <QMutex>
+#include <QThreadStorage>
//CRT
#include <cstdlib>
#include <ctime>
#include <process.h>
+//VLD
+#ifdef _MSC_VER
+#include <vld.h>
+#endif
+
+//Global
+const QString MUtils::Internal::g_empty;
+
///////////////////////////////////////////////////////////////////////////////
// Random Support
///////////////////////////////////////////////////////////////////////////////
+#ifndef _CRT_RAND_S
+#define rand_s(X) (true)
+#endif
+
+//Per-thread init flag
+static QThreadStorage<bool> g_srand_flag;
+
+//32-Bit wrapper for qrand()
+#define QRAND() ((static_cast<quint32>(qrand()) & 0xFFFF) | (static_cast<quint32>(qrand()) << 16U))
+
//Robert Jenkins' 96 bit Mix Function
-static unsigned int mix_function(const unsigned int x, const unsigned int y, const unsigned int z)
+static quint32 mix_function(quint32 a, quint32 b, quint32 c)
{
- unsigned int a = x;
- unsigned int b = y;
- unsigned int c = z;
-
a=a-b; a=a-c; a=a^(c >> 13);
- b=b-c; b=b-a; b=b^(a << 8 );
+ b=b-c; b=b-a; b=b^(a << 8);
c=c-a; c=c-b; c=c^(b >> 13);
a=a-b; a=a-c; a=a^(c >> 12);
b=b-c; b=b-a; b=b^(a << 16);
- c=c-a; c=c-b; c=c^(b >> 5 );
- a=a-b; a=a-c; a=a^(c >> 3 );
+ c=c-a; c=c-b; c=c^(b >> 5);
+ a=a-b; a=a-c; a=a^(c >> 3);
b=b-c; b=b-a; b=b^(a << 10);
c=c-a; c=c-b; c=c^(b >> 15);
return a ^ b ^ c;
}
-void MUtils::seed_rand(void)
+static void seed_rand(void)
{
- qsrand(mix_function(clock(), time(NULL), _getpid()));
+ QDateTime build(MUtils::Version::lib_build_date(), MUtils::Version::lib_build_time());
+ const quint32 seed_0 = mix_function(MUtils::OS::process_id(), MUtils::OS::thread_id(), build.toMSecsSinceEpoch());
+ qsrand(mix_function(clock(), time(NULL), seed_0));
}
-quint32 MUtils::next_rand32(void)
+static quint32 rand_fallback(void)
{
- quint32 rnd = 0xDEADBEEF;
+ Q_ASSERT(RAND_MAX >= 0x7FFF);
-#ifdef _CRT_RAND_S
- if(rand_s(&rnd) == 0)
+ if (!(g_srand_flag.hasLocalData() && g_srand_flag.localData()))
{
- return rnd;
+ seed_rand();
+ g_srand_flag.setLocalData(true);
}
-#endif //_CRT_RAND_S
- for(size_t i = 0; i < sizeof(quint32); i++)
+ quint32 rnd_val = mix_function(0x32288EA3, clock(), time(NULL));
+
+ for (size_t i = 0; i < 42; i++)
{
- rnd = (rnd << 8) ^ qrand();
+ rnd_val = mix_function(rnd_val, QRAND(), QRAND());
+ rnd_val = mix_function(QRAND(), rnd_val, QRAND());
+ rnd_val = mix_function(QRAND(), QRAND(), rnd_val);
}
+ return rnd_val;
+}
+
+quint32 MUtils::next_rand_u32(void)
+{
+ quint32 rnd;
+ if (rand_s(&rnd))
+ {
+ return rand_fallback();
+ }
return rnd;
}
-quint64 MUtils::next_rand64(void)
+quint32 MUtils::next_rand_u32(const quint32 max)
+{
+ static const uint32_t DIV_LUT[64] =
+ {
+ 0xFFFFFFFF, 0xFFFFFFFF, 0x80000000, 0x55555556, 0x40000000, 0x33333334, 0x2AAAAAAB, 0x24924925,
+ 0x20000000, 0x1C71C71D, 0x1999999A, 0x1745D175, 0x15555556, 0x13B13B14, 0x12492493, 0x11111112,
+ 0x10000000, 0x0F0F0F10, 0x0E38E38F, 0x0D79435F, 0x0CCCCCCD, 0x0C30C30D, 0x0BA2E8BB, 0x0B21642D,
+ 0x0AAAAAAB, 0x0A3D70A4, 0x09D89D8A, 0x097B425F, 0x0924924A, 0x08D3DCB1, 0x08888889, 0x08421085,
+ 0x08000000, 0x07C1F07D, 0x07878788, 0x07507508, 0x071C71C8, 0x06EB3E46, 0x06BCA1B0, 0x06906907,
+ 0x06666667, 0x063E7064, 0x06186187, 0x05F417D1, 0x05D1745E, 0x05B05B06, 0x0590B217, 0x0572620B,
+ 0x05555556, 0x0539782A, 0x051EB852, 0x05050506, 0x04EC4EC5, 0x04D4873F, 0x04BDA130, 0x04A7904B,
+ 0x04924925, 0x047DC120, 0x0469EE59, 0x0456C798, 0x04444445, 0x04325C54, 0x04210843, 0x04104105
+ };
+ return (max < 64) ? (next_rand_u32() / DIV_LUT[max]) : (next_rand_u32() / (UINT32_MAX / max + 1U));
+}
+
+
+quint64 MUtils::next_rand_u64(void)
+{
+ return (quint64(next_rand_u32()) << 32) | quint64(next_rand_u32());
+}
+
+QString MUtils::next_rand_str(const bool &bLong)
+{
+ if (bLong)
+ {
+ return next_rand_str(false) + next_rand_str(false);
+ }
+ else
+ {
+ return QString::number(next_rand_u64(), 16).rightJustified(16, QLatin1Char('0'));
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// STRING UTILITY FUNCTIONS
+///////////////////////////////////////////////////////////////////////////////
+
+static QScopedPointer<QRegExp> g_str_trim_rx_r;
+static QScopedPointer<QRegExp> g_str_trim_rx_l;
+static QMutex g_str_trim_lock;
+
+static QString& trim_helper(QString &str, QScopedPointer<QRegExp> ®ex, const char *const pattern)
+{
+ QMutexLocker lock(&g_str_trim_lock);
+ if (regex.isNull())
+ {
+ regex.reset(new QRegExp(QLatin1String(pattern)));
+ }
+ str.remove(*regex.data());
+ return str;
+}
+
+QString& MUtils::trim_right(QString &str)
+{
+ static const char *const TRIM_RIGHT = "\\s+$";
+ return trim_helper(str, g_str_trim_rx_r, TRIM_RIGHT);
+}
+
+QString& MUtils::trim_left(QString &str)
+{
+ static const char *const TRIM_LEFT = "^\\s+";
+ return trim_helper(str, g_str_trim_rx_l, TRIM_LEFT);
+}
+
+QString MUtils::trim_right(const QString &str)
+{
+ QString temp(str);
+ return trim_right(temp);
+}
+
+QString MUtils::trim_left(const QString &str)
+{
+ QString temp(str);
+ return trim_left(temp);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// GENERATE FILE NAME
+///////////////////////////////////////////////////////////////////////////////
+
+QString MUtils::make_temp_file(const QString &basePath, const QString &extension, const bool placeholder)
+{
+ return make_temp_file(QDir(basePath), extension, placeholder);
+}
+
+QString MUtils::make_temp_file(const QDir &basePath, const QString &extension, const bool placeholder)
+{
+ if (extension.isEmpty())
+ {
+ qWarning("Cannot generate temp file name with invalid parameters!");
+ return QString();
+ }
+
+ for(int i = 0; i < 4096; i++)
+ {
+ const QString tempFileName = basePath.absoluteFilePath(QString("%1.%2").arg(next_rand_str(), extension));
+ if(!QFileInfo(tempFileName).exists())
+ {
+ if(placeholder)
+ {
+ QFile file(tempFileName);
+ if(file.open(QFile::ReadWrite))
+ {
+ file.close();
+ return tempFileName;
+ }
+ }
+ else
+ {
+ return tempFileName;
+ }
+ }
+ }
+
+ qWarning("Failed to generate temp file name!");
+ return QString();
+}
+
+QString MUtils::make_unique_file(const QString &basePath, const QString &baseName, const QString &extension, const bool fancy, const bool placeholder)
+{
+ return make_unique_file(QDir(basePath), baseName, extension, fancy);
+}
+
+QString MUtils::make_unique_file(const QDir &basePath, const QString &baseName, const QString &extension, const bool fancy, const bool placeholder)
+{
+ if (baseName.isEmpty() || extension.isEmpty())
+ {
+ qWarning("Cannot generate unique file name with invalid parameters!");
+ return QString();
+ }
+
+ quint32 n = fancy ? 2 : 0;
+ QString fileName = fancy ? basePath.absoluteFilePath(QString("%1.%2").arg(baseName, extension)) : QString();
+ while (fileName.isEmpty() || QFileInfo(fileName).exists())
+ {
+ if (n <= quint32(USHRT_MAX))
+ {
+ if (fancy)
+ {
+ fileName = basePath.absoluteFilePath(QString("%1 (%2).%3").arg(baseName, QString::number(n++), extension));
+ }
+ else
+ {
+ fileName = basePath.absoluteFilePath(QString("%1.%2.%3").arg(baseName, QString::number(n++, 16).rightJustified(4, QLatin1Char('0')), extension));
+ }
+ }
+ else
+ {
+ qWarning("Failed to generate unique file name!");
+ return QString();
+ }
+ }
+
+ if (placeholder && (!fileName.isEmpty()))
+ {
+ QFile placeholder(fileName);
+ if (placeholder.open(QIODevice::WriteOnly))
+ {
+ placeholder.close();
+ }
+ }
+
+ return fileName;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// 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 QString try_create_subfolder(const QString &baseDir, const QString &postfix)
+{
+ const QString baseDirPath = QDir(baseDir).absolutePath();
+ for(int i = 0; i < 32; i++)
+ {
+ QDir directory(baseDirPath);
+ if(directory.mkpath(postfix) && directory.cd(postfix))
+ {
+ return directory.canonicalPath();
+ }
+ }
+ return QString();
+}
+
+static MUtils::Internal::DirLock *try_init_temp_folder(const QString &baseDir)
+{
+ const QString tempPath = try_create_subfolder(baseDir, MUtils::next_rand_str());
+ if(!tempPath.isEmpty())
+ {
+ for(int i = 0; i < 32; i++)
+ {
+ MUtils::Internal::DirLock *lockFile = NULL;
+ try
+ {
+ lockFile = new MUtils::Internal::DirLock(tempPath);
+ return lockFile;
+ }
+ catch(MUtils::Internal::DirLockException&)
+ {
+ /*ignore error and try again*/
+ }
+ }
+ }
+ 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->getPath();
+ }
+
+ //Obtain the write lock to initilaize
+ readLock.unlock();
+ QWriteLocker writeLock(&g_temp_folder_lock);
+
+ //Still uninitilaized?
+ if(!g_temp_folder_file.isNull())
+ {
+ 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);
+ atexit(temp_folder_cleaup);
+ return lockFile->getPath();
+ }
+
+ qWarning("%%TEMP%% directory not found -> trying fallback mode now!");
+ static const OS::known_folder_t FOLDER_ID[2] = { OS::FOLDER_LOCALAPPDATA, OS::FOLDER_SYSTROOT_DIR };
+ for(size_t id = 0; id < 2; id++)
+ {
+ const QString &knownFolder = OS::known_folder(FOLDER_ID[id]);
+ if(!knownFolder.isEmpty())
+ {
+ const QString tempRoot = try_create_subfolder(knownFolder, QLatin1String("TEMP"));
+ if(!tempRoot.isEmpty())
+ {
+ if(MUtils::Internal::DirLock *lockFile = try_init_temp_folder(tempRoot))
+ {
+ g_temp_folder_file.reset(lockFile);
+ atexit(temp_folder_cleaup);
+ return lockFile->getPath();
+ }
+ }
+ }
+ }
+
+ qFatal("Temporary directory could not be initialized !!!");
+ return (*((QString*)NULL));
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// 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(size_t round = 0; round < 13; ++round)
+ {
+ if (round > 0)
+ {
+ MUtils::OS::sleep_ms(round);
+ fileInfo.refresh();
+ }
+ if (fileInfo.exists())
+ {
+ QFile file(fileName);
+ if (round > 0)
+ {
+ file.setPermissions(FILE_PERMISSIONS_NONE);
+ }
+ file.remove();
+ fileInfo.refresh();
+ }
+ if (!fileInfo.exists())
+ {
+ return true; /*success*/
+ }
+ }
+
+ qWarning("Could not delete \"%s\"", MUTILS_UTF8(fileName));
+ return false;
+}
+
+bool MUtils::remove_directory(const QString &folderPath, const bool &recursive)
+{
+ const QDir folder(folderPath);
+
+ if(recursive && folder.exists())
+ {
+ const QFileInfoList entryList = folder.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
+ for(QFileInfoList::ConstIterator iter = entryList.constBegin(); iter != entryList.constEnd(); iter++)
+ {
+ if(iter->isDir())
+ {
+ remove_directory(iter->canonicalFilePath(), true);
+ }
+ else
+ {
+ remove_file(iter->canonicalFilePath());
+ }
+ }
+ }
+
+ for(size_t round = 0; round < 13; ++round)
+ {
+ if(round > 0)
+ {
+ MUtils::OS::sleep_ms(round);
+ folder.refresh();
+ }
+ if (folder.exists())
+ {
+ QDir parent = folder;
+ if (parent.cdUp())
+ {
+ if (round > 0)
+ {
+ QFile::setPermissions(folder.absolutePath(), FILE_PERMISSIONS_NONE);
+ }
+ parent.rmdir(folder.dirName());
+ folder.refresh();
+ }
+ }
+ if (!folder.exists())
+ {
+ return true; /*success*/
+ }
+ }
+
+ qWarning("Could not rmdir \"%s\"", MUTILS_UTF8(folderPath));
+ return false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// PROCESS UTILS
+///////////////////////////////////////////////////////////////////////////////
+
+static void prependToPath(QProcessEnvironment &env, const QString &value)
+{
+ static const QLatin1String PATH("PATH");
+ const QString path = env.value(PATH, QString()).trimmed();
+ env.insert(PATH, path.isEmpty() ? value : QString("%1;%2").arg(value, path));
+}
+
+void MUtils::init_process(QProcess &process, const QString &wokringDir, const bool bReplaceTempDir, const QStringList *const extraPaths, const QHash<QString, QString> *const extraEnv)
+{
+ //Environment variable names
+ static const char *const ENVVAR_NAMES_TMP[] =
+ {
+ "TEMP", "TMP", "TMPDIR", "HOME", "USERPROFILE", "HOMEPATH", NULL
+ };
+ static const char *const ENVVAR_NAMES_SYS[] =
+ {
+ "WINDIR", "SYSTEMROOT", NULL
+ };
+ static const char *const ENVVAR_NAMES_DEL[] =
+ {
+ "HTTP_PROXY", "FTP_PROXY", "NO_PROXY", "HOME", "LC_ALL", "LC_COLLATE", "LC_CTYPE",
+ "LC_MESSAGES", "LC_MONETARY", "LC_NUMERIC", "LC_TIME", "LANG", NULL
+ };
+
+ //Initialize environment
+ QProcessEnvironment env = process.processEnvironment();
+ if (env.isEmpty())
+ {
+ env = QProcessEnvironment::systemEnvironment();
+ }
+
+ //Clean enviroment variables that might affect our tools
+ for(const char *const *ptr = ENVVAR_NAMES_DEL; *ptr; ++ptr)
+ {
+ env.remove(QString::fromLatin1(*ptr));
+ }
+
+ //Set up system root directory
+ const QString sysRoot = QDir::toNativeSeparators(OS::known_folder(OS::FOLDER_SYSTROOT_DIR));
+ if (!sysRoot.isEmpty())
+ {
+ for (const char *const *ptr = ENVVAR_NAMES_SYS; *ptr; ++ptr)
+ {
+ env.insert(QString::fromLatin1(*ptr), sysRoot);
+ }
+ }
+
+ //Replace TEMP directory in environment
+ const QString tempDir = QDir::toNativeSeparators(temp_folder());
+ if(bReplaceTempDir)
+ {
+ for (const char *const *ptr = ENVVAR_NAMES_TMP; *ptr; ++ptr)
+ {
+ env.insert(QString::fromLatin1(*ptr), tempDir);
+ }
+ }
+
+ //Setup PATH variable
+ prependToPath(env, tempDir);
+ if (extraPaths && (!extraPaths->isEmpty()))
+ {
+ QListIterator<QString> iter(*extraPaths);
+ iter.toBack();
+ while (iter.hasPrevious())
+ {
+ prependToPath(env, QDir::toNativeSeparators(iter.previous()));
+ }
+ }
+
+ //Setup environment
+ if (extraEnv && (!extraEnv->isEmpty()))
+ {
+ for (QHash<QString, QString>::ConstIterator iter = extraEnv->constBegin(); iter != extraEnv->constEnd(); iter++)
+ {
+ env.insert(iter.key(), iter.value());
+ }
+ }
+
+ //Setup QPorcess object
+ process.setWorkingDirectory(wokringDir);
+ process.setProcessChannelMode(QProcess::MergedChannels);
+ process.setReadChannel(QProcess::StandardOutput);
+ process.setProcessEnvironment(env);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// NATURAL ORDER STRING COMPARISON
+///////////////////////////////////////////////////////////////////////////////
+
+static bool natural_string_sort_helper(const QString &str1, const QString &str2)
+{
+ return (MUtils::Internal::NaturalSort::strnatcmp(MUTILS_WCHR(str1), MUTILS_WCHR(str2)) < 0);
+}
+
+static bool natural_string_sort_helper_fold_case(const QString &str1, const QString &str2)
+{
+ return (MUtils::Internal::NaturalSort::strnatcasecmp(MUTILS_WCHR(str1), MUTILS_WCHR(str2)) < 0);
+}
+
+void MUtils::natural_string_sort(QStringList &list, const bool bIgnoreCase)
+{
+ qSort(list.begin(), list.end(), bIgnoreCase ? natural_string_sort_helper_fold_case : natural_string_sort_helper);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// CLEAN FILE PATH
+///////////////////////////////////////////////////////////////////////////////
+
+static QMutex g_clean_file_name_mutex;
+static QScopedPointer<const QList<QPair<QRegExp,QString>>> g_clean_file_name_regex;
+
+static void clean_file_name_make_pretty(QString &str)
+{
+ static const struct { const char *p; const char *r; } PATTERN[] =
+ {
+ { "^\\s*\"([^\"]*)\"\\s*$", "\\1" }, //Remove straight double quotes around the whole string
+ { "\"([^\"]*)\"", "\xE2\x80\x9C\\1\xE2\x80\x9D" }, //Replace remaining pairs of straight double quotes with opening/closing double quote
+ { "^[\\\\/:]+([^\\\\/:]+.*)$", "\\1" }, //Remove leading slash, backslash and colon characters
+ { "^(.*[^\\\\/:]+)[\\\\/:]+$", "\\1" }, //Remove trailing slash, backslash and colon characters
+ { "(\\s*[\\\\/:]\\s*)+", " - " }, //Replace any slash, backslash or colon character that appears in the middle
+ { NULL, NULL }
+ };
+
+ QMutexLocker locker(&g_clean_file_name_mutex);
+
+ if (g_clean_file_name_regex.isNull())
+ {
+ QScopedPointer<QList<QPair<QRegExp, QString>>> list(new QList<QPair<QRegExp, QString>>());
+ for (size_t i = 0; PATTERN[i].p; ++i)
+ {
+ list->append(qMakePair(QRegExp(QString::fromUtf8(PATTERN[i].p), Qt::CaseInsensitive), PATTERN[i].r ? QString::fromUtf8(PATTERN[i].r) : QString()));
+ }
+ g_clean_file_name_regex.reset(list.take());
+ }
+
+ bool keepOnGoing = !str.isEmpty();
+ while(keepOnGoing)
+ {
+ const QString prev = str;
+ keepOnGoing = false;
+ for (QList<QPair<QRegExp, QString>>::ConstIterator iter = g_clean_file_name_regex->constBegin(); iter != g_clean_file_name_regex->constEnd(); ++iter)
+ {
+ str.replace(iter->first, iter->second);
+ if (str.compare(prev))
+ {
+ str = str.simplified();
+ keepOnGoing = !str.isEmpty();
+ break;
+ }
+ }
+ }
+}
+
+QString MUtils::clean_file_name(const QString &name, const bool &pretty)
+{
+ static const QLatin1Char REPLACEMENT_CHAR('_');
+ static const char FILENAME_ILLEGAL_CHARS[] = "<>:\"/\\|?*";
+ static const char *const FILENAME_RESERVED_NAMES[] =
+ {
+ "CON", "PRN", "AUX", "NUL",
+ "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
+ "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9", NULL
+ };
+
+ QString result(name);
+ if (pretty)
+ {
+ clean_file_name_make_pretty(result);
+ }
+
+ for(QString::Iterator iter = result.begin(); iter != result.end(); iter++)
+ {
+ if (iter->category() == QChar::Other_Control)
+ {
+ *iter = REPLACEMENT_CHAR;
+ }
+ }
+
+ for(size_t i = 0; FILENAME_ILLEGAL_CHARS[i]; i++)
+ {
+ result.replace(QLatin1Char(FILENAME_ILLEGAL_CHARS[i]), REPLACEMENT_CHAR);
+ }
+
+ trim_right(result);
+ while (result.endsWith(QLatin1Char('.')))
+ {
+ result.chop(1);
+ trim_right(result);
+ }
+
+ for (size_t i = 0; FILENAME_RESERVED_NAMES[i]; i++)
+ {
+ const QString reserved = QString::fromLatin1(FILENAME_RESERVED_NAMES[i]);
+ if ((!result.compare(reserved, Qt::CaseInsensitive)) || result.startsWith(reserved + QLatin1Char('.'), Qt::CaseInsensitive))
+ {
+ result.replace(0, reserved.length(), QString().leftJustified(reserved.length(), REPLACEMENT_CHAR));
+ }
+ }
+
+ return result;
+}
+
+static QPair<QString,QString> clean_file_path_get_prefix(const QString path)
{
- return (quint64(next_rand32()) << 32) | quint64(next_rand32());
+ static const char *const PREFIXES[] =
+ {
+ "//?/", "//", "/", NULL
+ };
+ const QString posixPath = QDir::fromNativeSeparators(path.trimmed());
+ for (int i = 0; PREFIXES[i]; i++)
+ {
+ const QString prefix = QString::fromLatin1(PREFIXES[i]);
+ if (posixPath.startsWith(prefix))
+ {
+ return qMakePair(prefix, posixPath.mid(prefix.length()));
+ }
+ }
+ return qMakePair(QString(), posixPath);
+}
+
+QString MUtils::clean_file_path(const QString &path, const bool &pretty)
+{
+ const QPair<QString, QString> prefix = clean_file_path_get_prefix(path);
+
+ QStringList parts = prefix.second.split(QLatin1Char('/'), QString::SkipEmptyParts);
+ for(int i = 0; i < parts.count(); i++)
+ {
+ if((i == 0) && (parts[i].length() == 2) && parts[i][0].isLetter() && (parts[i][1] == QLatin1Char(':')))
+ {
+ continue; //handle case "c:\"
+ }
+ parts[i] = MUtils::clean_file_name(parts[i], pretty);
+ }
+
+ const QString cleanPath = parts.join(QLatin1String("/"));
+ return prefix.first.isEmpty() ? cleanPath : prefix.first + cleanPath;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// REGULAR EXPESSION HELPER
+///////////////////////////////////////////////////////////////////////////////
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 &value)
+{
+ return regexp_parse_uint32(regexp, &value, 1U, 1U);
+}
+
+bool MUtils::regexp_parse_int32(const QRegExp ®exp, qint32 &value)
+{
+ return regexp_parse_int32(regexp, &value, 1U, 1U);
+}
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 &value, const size_t &offset)
+{
+ return regexp_parse_uint32(regexp, &value, offset, 1U);
+}
+
+bool MUtils::regexp_parse_int32(const QRegExp ®exp, qint32 &value, const size_t &offset)
+{
+ return regexp_parse_int32(regexp, &value, offset, 1U);
+}
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 *values, const size_t &count)
+{
+ return regexp_parse_uint32(regexp, values, 1U, count);
+}
+
+bool MUtils::regexp_parse_int32(const QRegExp ®exp, qint32 *values, const size_t &count)
+{
+ return regexp_parse_int32(regexp, values, 1U, count);
+}
+
+bool MUtils::regexp_parse_uint32(const QRegExp ®exp, quint32 *values, const size_t &offset, 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[offset+i].toUInt(&ok);
+ if (!ok)
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool MUtils::regexp_parse_int32(const QRegExp ®exp, qint32 *values, const size_t &offset, 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[offset+i].toInt(&ok);
+ if (!ok)
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// AVAILABLE CODEPAGES
+///////////////////////////////////////////////////////////////////////////////
+
+QStringList MUtils::available_codepages(const bool &noAliases)
+{
+ QStringList codecList;
+ QList<QByteArray> availableCodecs = QTextCodec::availableCodecs();
+
+ while(!availableCodecs.isEmpty())
+ {
+ const QByteArray current = availableCodecs.takeFirst();
+ if(!current.toLower().startsWith("system"))
+ {
+ codecList << QString::fromLatin1(current.constData(), current.size());
+ if(noAliases)
+ {
+ if(QTextCodec *const currentCodec = QTextCodec::codecForName(current.constData()))
+ {
+ const QList<QByteArray> aliases = currentCodec->aliases();
+ for(QList<QByteArray>::ConstIterator iter = aliases.constBegin(); iter != aliases.constEnd(); iter++)
+ {
+ availableCodecs.removeAll(*iter);
+ }
+ }
+ }
+ }
+ }
+
+ return codecList;
}
-QString MUtils::rand_str(const bool &bLong)
+///////////////////////////////////////////////////////////////////////////////
+// FP MATH SUPPORT
+///////////////////////////////////////////////////////////////////////////////
+
+MUtils::fp_parts_t MUtils::break_fp(const double value)
{
- if(!bLong)
+ fp_parts_t result = { };
+ if (_finite(value))
{
- return QString::number(next_rand64(), 16).rightJustified(16, QLatin1Char('0'));
+ result.parts[1] = modf(value, &result.parts[0]);
}
- return QString("%1%2").arg(rand_str(false), rand_str(false));
+ else
+ {
+ result.parts[0] = std::numeric_limits<double>::quiet_NaN();
+ result.parts[1] = std::numeric_limits<double>::quiet_NaN();
+ }
+ return result;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// INITIALIZER
+///////////////////////////////////////////////////////////////////////////////
+
+int MUtils::Internal::MUTILS_INITIALIZER(const char *const buildKey, const bool debug)
+{
+ static const bool INTERNAL_DEBUG_FLAG = MUTILS_DEBUG;
+ static const char *const INTERNAL_BUILD_KEY = MUTILS_BUILD_KEY;
+
+ if((debug != INTERNAL_DEBUG_FLAG) || strncmp(buildKey, INTERNAL_BUILD_KEY, 11))
+ {
+ MUtils::OS::system_message_err(L"MUtils", L"FATAL: MUtils library initialization has failed!");
+ abort();
+ }
+
+ volatile int _result = MUTILS_INTERFACE;
+ return _result;
}