///////////////////////////////////////////////////////////////////////////////
// MuldeR's Utilities for Qt
-// Copyright (C) 2004-2015 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2016 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
//////////////////////////////////////////////////////////////////////////////////
#if _MSC_VER
-#define _CRT_RAND_S 1
+//#define _CRT_RAND_S 1
#endif
//MUtils
#include <MUtils/Global.h>
#include <MUtils/OSSupport.h>
+#include <MUtils/Version.h>
//Internal
#include "DirLocker.h"
#include <QReadWriteLock>
#include <QProcess>
#include <QTextCodec>
+#include <QPair>
+#include <QListIterator>
+#include <QMutex>
+#include <QThreadStorage>
//CRT
#include <cstdlib>
// Random Support
///////////////////////////////////////////////////////////////////////////////
+#ifndef _CRT_RAND_S
+#define rand_s(X) (true)
+#endif
+
+//Per-thread init flag
+static QThreadStorage<bool> g_srand_flag;
+
//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(const quint32 x, const quint32 y, const quint32 z)
{
- unsigned int a = x;
- unsigned int b = y;
- unsigned int c = z;
+ quint32 a = x;
+ quint32 b = y;
+ quint32 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()));
+ fprintf(stderr, "SEED RAND (TID: %u)\n", MUtils::OS::thread_id());
+ QDateTime build(MUtils::Version::lib_build_date(), MUtils::Version::lib_build_time());
+ const quint32 seed = mix_function(MUtils::OS::process_id(), MUtils::OS::thread_id(), build.toMSecsSinceEpoch());
+ qsrand(mix_function(clock(), time(NULL), seed));
}
-quint32 MUtils::next_rand32(void)
+static quint32 rand_fallback(void)
{
- quint32 rnd = 0xDEADBEEF;
-
-#ifdef _CRT_RAND_S
- if(rand_s(&rnd) == 0)
+ Q_ASSERT(RAND_MAX >= 0xFFF);
+ 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 = 0x32288EA3;
+ for (size_t i = 0; i < 3; i++)
{
- rnd = (rnd << 8) ^ qrand();
+ rnd = (rnd << 12) ^ qrand();
}
+ return rnd;
+}
+quint32 MUtils::next_rand_u32(void)
+{
+ quint32 rnd;
+ if (rand_s(&rnd))
+ {
+ return rand_fallback();
+ }
return rnd;
}
-quint64 MUtils::next_rand64(void)
+quint64 MUtils::next_rand_u64(void)
{
- return (quint64(next_rand32()) << 32) | quint64(next_rand32());
+ return (quint64(next_rand_u32()) << 32) | quint64(next_rand_u32());
}
-QString MUtils::rand_str(const bool &bLong)
+QString MUtils::next_rand_str(const bool &bLong)
{
- if(!bLong)
+ if (bLong)
{
- return QString::number(next_rand64(), 16).rightJustified(16, QLatin1Char('0'));
+ return next_rand_str(false) + next_rand_str(false);
+ }
+ else
+ {
+ return QString::number(next_rand_u64(), 16).rightJustified(16, QLatin1Char('0'));
}
- return QString("%1%2").arg(rand_str(false), rand_str(false));
}
///////////////////////////////////////////////////////////////////////////////
-// GET TEMP FILE NAME
+// 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)
{
for(int i = 0; i < 4096; i++)
{
- const QString tempFileName = QString("%1/%2.%3").arg(basePath, rand_str(), extension);
+ const QString tempFileName = QString("%1/%2.%3").arg(basePath, next_rand_str(), extension);
if(!QFileInfo(tempFileName).exists())
{
if(placeholder)
}
}
- qWarning("Failed to generate unique temp file name!");
+ 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)
+{
+ quint32 n = fancy ? 2 : 0;
+ QString fileName = fancy ? QString("%1/%2.%3").arg(basePath, baseName, extension) : QString();
+ while (fileName.isEmpty() || QFileInfo(fileName).exists())
+ {
+ if (n <= quint32(USHRT_MAX))
+ {
+ if (fancy)
+ {
+ fileName = QString("%1/%2 (%3).%4").arg(basePath, baseName, QString::number(n++), extension);
+ }
+ else
+ {
+ fileName = QString("%1/%2.%3.%4").arg(basePath, baseName, QString::number(n++, 16).rightJustified(4, QLatin1Char('0')), extension);
+ }
+ }
+ else
+ {
+ qWarning("Failed to generate unique file name!");
+ return QString();
+ }
+ }
+ return fileName;
+}
+
///////////////////////////////////////////////////////////////////////////////
// COMPUTE PARITY
///////////////////////////////////////////////////////////////////////////////
static MUtils::Internal::DirLock *try_init_temp_folder(const QString &baseDir)
{
- const QString tempPath = try_create_subfolder(baseDir, MUtils::rand_str());
+ const QString tempPath = try_create_subfolder(baseDir, MUtils::next_rand_str());
if(!tempPath.isEmpty())
{
for(int i = 0; i < 32; i++)
// PROCESS UTILS
///////////////////////////////////////////////////////////////////////////////
-void MUtils::init_process(QProcess &process, const QString &wokringDir, const bool bReplaceTempDir)
+static void prependToPath(QProcessEnvironment &env, const QString &value)
+{
+ const QLatin1String PATH = QLatin1String("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)
{
//Environment variable names
static const char *const s_envvar_names_temp[] =
}
//Setup PATH variable
- const QString path = env.value("PATH", QString()).trimmed();
- env.insert("PATH", path.isEmpty() ? tempDir : QString("%1;%2").arg(tempDir, path));
+ prependToPath(env, tempDir);
+ if (extraPaths && (!extraPaths->isEmpty()))
+ {
+ QListIterator<QString> iter(*extraPaths);
+ iter.toBack();
+ while (iter.hasPrevious())
+ {
+ prependToPath(env, QDir::toNativeSeparators(iter.previous()));
+ }
+ }
//Setup QPorcess object
process.setWorkingDirectory(wokringDir);
// CLEAN FILE PATH
///////////////////////////////////////////////////////////////////////////////
-static const struct
-{
- const char *const search;
- const char *const replace;
-}
-CLEAN_FILE_NAME[] =
-{
- { "\\", "-" },
- { " / ", ", " },
- { "/", "," },
- { ":", "-" },
- { "*", "x" },
- { "?", "!" },
- { "<", "[" },
- { ">", "]" },
- { "|", "!" },
- { "\"", "'" },
- { NULL, NULL }
-};
-
QString MUtils::clean_file_name(const QString &name)
{
- QRegExp regExp("\"(.+)\"");
- regExp.setMinimal(true);
+ 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 str = QString(name).replace(regExp, "``\\1´´").trimmed();
- for(size_t i = 0; CLEAN_FILE_NAME[i].search; i++)
+ QString result(name);
+ if (result.contains(QLatin1Char('"')))
{
- str.replace(CLEAN_FILE_NAME[i].search, CLEAN_FILE_NAME[i].replace);
+ QRegExp quoted("\"(.+)\"");
+ quoted.setMinimal(true);
+ result.replace(quoted, "``\\1´´");
+ }
+
+ 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);
}
- while(str.endsWith(QLatin1Char('.')))
+ trim_right(result);
+ while (result.endsWith(QLatin1Char('.')))
{
- str.chop(1);
- str = str.trimmed();
+ 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 str.trimmed();
+ return result;
+}
+
+static QPair<QString,QString> clean_file_path_get_prefix(const QString path)
+{
+ 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 root = path.startsWith(QLatin1Char('/')) || path.startsWith(QLatin1Char('\\'));
- QStringList parts = QDir::fromNativeSeparators(path.trimmed()).split(QLatin1Char('/'), QString::SkipEmptyParts);
+ 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) && (!root) && (parts[i].length() == 2) && parts[i][0].isLetter() && (parts[i][1] == QLatin1Char(':')))
+ 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]);
}
- return root ? parts.join(QLatin1String("/")).prepend(QLatin1Char('/')) : parts.join(QLatin1String("/"));
+ const QString cleanPath = parts.join(QLatin1String("/"));
+ return prefix.first.isEmpty() ? cleanPath : prefix.first + cleanPath;
}
///////////////////////////////////////////////////////////////////////////////
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