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133 lines
4.6 KiB
133 lines
4.6 KiB
/** |
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****************************************************************************** |
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* |
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* @file filenamevalidatinglineedit.cpp |
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. |
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* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009. |
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* @brief |
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* @see The GNU Public License (GPL) Version 3 |
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* @defgroup |
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* @{ |
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* |
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*****************************************************************************/ |
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/* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include "filenamevalidatinglineedit.h" |
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#include "qtcassert.h" |
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#include <QtCore/QRegExp> |
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#include <QtCore/QDebug> |
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namespace Utils { |
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#define WINDOWS_DEVICES "CON|AUX|PRN|COM1|COM2|LPT1|LPT2|NUL" |
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// Naming a file like a device name will break on Windows, even if it is |
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// "com1.txt". Since we are cross-platform, we generally disallow such file |
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// names. |
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static const QRegExp &windowsDeviceNoSubDirPattern() |
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{ |
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static const QRegExp rc(QLatin1String(WINDOWS_DEVICES), |
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Qt::CaseInsensitive); |
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QTC_ASSERT(rc.isValid(), return rc); |
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return rc; |
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} |
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static const QRegExp &windowsDeviceSubDirPattern() |
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{ |
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static const QRegExp rc(QLatin1String(".*[/\\\\](" WINDOWS_DEVICES ")"), Qt::CaseInsensitive); |
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QTC_ASSERT(rc.isValid(), return rc); |
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return rc; |
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} |
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// ----------- FileNameValidatingLineEdit |
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FileNameValidatingLineEdit::FileNameValidatingLineEdit(QWidget *parent) : |
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BaseValidatingLineEdit(parent), |
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m_allowDirectories(false), |
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m_unused(0) |
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{ |
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} |
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bool FileNameValidatingLineEdit::allowDirectories() const |
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{ |
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return m_allowDirectories; |
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} |
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void FileNameValidatingLineEdit::setAllowDirectories(bool v) |
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{ |
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m_allowDirectories = v; |
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} |
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/* Validate a file base name, check for forbidden characters/strings. */ |
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#ifdef Q_OS_WIN |
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# define SLASHES "/\\" |
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#else |
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# define SLASHES "/" |
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#endif |
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static const char *notAllowedCharsSubDir = "?:&*\"|#%<> "; |
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static const char *notAllowedCharsNoSubDir = "?:&*\"|#%<> "SLASHES; |
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static const char *notAllowedSubStrings[] = {".."}; |
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bool FileNameValidatingLineEdit::validateFileName(const QString &name, |
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bool allowDirectories, |
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QString *errorMessage /* = 0*/) |
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{ |
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if (name.isEmpty()) { |
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if (errorMessage) |
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*errorMessage = tr("The name must not be empty"); |
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return false; |
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} |
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// Characters |
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const char *notAllowedChars = allowDirectories ? notAllowedCharsSubDir : notAllowedCharsNoSubDir; |
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for (const char *c = notAllowedChars; *c; c++) |
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if (name.contains(QLatin1Char(*c))) { |
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if (errorMessage) |
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*errorMessage = tr("The name must not contain any of the characters '%1'.").arg(QLatin1String(notAllowedChars)); |
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return false; |
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} |
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// Substrings |
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const int notAllowedSubStringCount = sizeof(notAllowedSubStrings)/sizeof(const char *); |
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for (int s = 0; s < notAllowedSubStringCount; s++) { |
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const QLatin1String notAllowedSubString(notAllowedSubStrings[s]); |
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if (name.contains(notAllowedSubString)) { |
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if (errorMessage) |
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*errorMessage = tr("The name must not contain '%1'.").arg(QString(notAllowedSubString)); |
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return false; |
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} |
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} |
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// Windows devices |
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bool matchesWinDevice = windowsDeviceNoSubDirPattern().exactMatch(name); |
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if (!matchesWinDevice && allowDirectories) |
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matchesWinDevice = windowsDeviceSubDirPattern().exactMatch(name); |
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if (matchesWinDevice) { |
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if (errorMessage) |
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*errorMessage = tr("The name must not match that of a MS Windows device. (%1)."). |
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arg(windowsDeviceNoSubDirPattern().pattern().replace(QLatin1Char('|'), QLatin1Char(','))); |
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return false; |
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} |
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return true; |
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} |
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bool FileNameValidatingLineEdit::validate(const QString &value, QString *errorMessage) const |
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{ |
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return validateFileName(value, m_allowDirectories, errorMessage); |
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} |
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} // namespace Utils
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