Initial import

src/libs/utils/filenamevalidatinglineedit.cpp

@@ -0,0 +1,97 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+#include "filenamevalidatinglineedit.h"
+
+namespace Core {
+namespace Utils {
+
+FileNameValidatingLineEdit::FileNameValidatingLineEdit(QWidget *parent) :
+    BaseValidatingLineEdit(parent)
+{
+
+}
+
+/* Validate a file base name, check for forbidden characters/strings. */
+
+static const char *notAllowedChars = "/?:&\\*\"|#%<> ";
+static const char *notAllowedSubStrings[] = {".."};
+
+// Naming a file like a device name will break on Windows, even if it is
+// "com1.txt". Since we are cross-platform, we generally disallow such file
+//  names.
+static const char *notAllowedStrings[] = {"CON", "AUX", "PRN", "COM1", "COM2", "LPT1", "LPT2" };
+
+bool FileNameValidatingLineEdit::validateFileName(const QString &name, QString *errorMessage /* = 0*/)
+{
+    if (name.isEmpty()) {
+        if (errorMessage)
+            *errorMessage = tr("The name must not be empty");
+        return false;
+    }
+    // Characters
+    for (const char *c = notAllowedChars; *c; c++)
+        if (name.contains(QLatin1Char(*c))) {
+            if (errorMessage)
+                *errorMessage = tr("The name must not contain any of the characters '%1'.").arg(QLatin1String(notAllowedChars));
+            return false;
+        }
+    // Substrings
+    const int notAllowedSubStringCount = sizeof(notAllowedSubStrings)/sizeof(const char *);
+    for (int s = 0; s < notAllowedSubStringCount; s++) {
+        const QLatin1String notAllowedSubString(notAllowedSubStrings[s]);
+        if (name.contains(notAllowedSubString)) {
+            if (errorMessage)
+                *errorMessage = tr("The name must not contain '%1'.").arg(QString(notAllowedSubString));
+            return false;
+        }
+    }
+    // Strings
+    const int notAllowedStringCount = sizeof(notAllowedStrings)/sizeof(const char *);
+    for (int s = 0; s < notAllowedStringCount; s++) {
+        const QLatin1String notAllowedString(notAllowedStrings[s]);
+        if (name == notAllowedString) {
+            if (errorMessage)
+                *errorMessage = tr("The name must not be '%1'.").arg(QString(notAllowedString));
+            return false;
+        }
+    }
+    return true;
+}
+
+bool  FileNameValidatingLineEdit::validate(const QString &value, QString *errorMessage) const
+{
+    return validateFileName(value, errorMessage);
+}
+
+}
+}