--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/versit/versitutils.cpp	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "versitutils_p.h"
+#include "qmobilityglobal.h"
+
+#include <QMap>
+#include <QTextCodec>
+#include <QScopedPointer>
+
+QTM_USE_NAMESPACE
+
+QTextCodec* VersitUtils::m_previousCodec = 0;
+QList<QByteArrayMatcher>* VersitUtils::m_newlineList = 0;
+QByteArray VersitUtils::m_encodingMap[256];
+
+/*!
+ * Performs backslash escaping for line breaks (CRLFs), semicolons, backslashes and commas according
+ * to RFC 2426.  This is called on parameter names and values and property values.
+ * Colons ARE NOT escaped because the examples in RFC2426 suggest that they shouldn't be.
+ */
+void VersitUtils::backSlashEscape(QString& text)
+{
+    /* replaces ; with \;
+                , with \,
+                \ with \\
+     */
+    text.replace(QRegExp(QLatin1String("([;,\\\\])")), QLatin1String("\\\\1"));
+    // replaces any CRLFs with \n
+    text.replace(QRegExp(QLatin1String("\r\n|\r|\n")), QLatin1String("\\n"));
+}
+
+/*!
+ * Removes backslash escaping for line breaks (CRLFs), colons, semicolons, backslashes and commas
+ * according to RFC 2426.  This is called on parameter names and values and property values.
+ * Colons ARE unescaped because the text of RFC2426 suggests that they should be.
+ */
+void VersitUtils::removeBackSlashEscaping(QString& text)
+{
+    if (!(text.startsWith(QLatin1Char('"')) && text.endsWith(QLatin1Char('"')))) {
+        /* replaces \; with ;
+                    \, with ,
+                    \: with :
+                    \\ with \
+         */
+        text.replace(QRegExp(QLatin1String("\\\\([;,:\\\\])")), QLatin1String("\\1"));
+        // replaces \n with a CRLF
+        text.replace(QLatin1String("\\n"), QLatin1String("\r\n"), Qt::CaseInsensitive);
+    }
+}
+
+
+/*!
+ * Encode \a ch with \a codec, without adding an byte-order mark
+ */
+QByteArray VersitUtils::encode(char ch, QTextCodec* codec)
+{
+    if (codec != m_previousCodec) {
+        changeCodec(codec);
+    }
+    return m_encodingMap[(int)ch];
+}
+
+/*!
+ * Encode \a ba with \a codec, without adding an byte-order mark.  \a ba is interpreted as ASCII
+ */
+QByteArray VersitUtils::encode(const QByteArray& ba, QTextCodec* codec)
+{
+    QTextCodec::ConverterState state(QTextCodec::IgnoreHeader);
+    return codec->fromUnicode(QString::fromAscii(ba.data()).data(), ba.length(), &state);
+}
+
+/*!
+ * Returns the list of DOS, UNIX and Mac newline characters for \a codec.
+ */
+QList<QByteArrayMatcher>* VersitUtils::newlineList(QTextCodec* codec)
+{
+    if (m_newlineList != 0 && codec == m_previousCodec) {
+        return m_newlineList;
+    }
+    changeCodec(codec);
+    return m_newlineList;
+}
+
+/*!
+ * Update the cached tables of pregenerated encoded text with \a codec.
+ */
+void VersitUtils::changeCodec(QTextCodec* codec) {
+    // Build m_encodingMap
+    QChar qch;
+    QTextCodec::ConverterState state(QTextCodec::IgnoreHeader);
+    for (int c = 0; c < 256; c++) {
+        qch = QLatin1Char(c);
+        m_encodingMap[c] = codec->fromUnicode(&qch, 1, &state);
+    }
+
+    // Build m_newlineList
+    if (m_newlineList != 0)
+        delete m_newlineList;
+    m_newlineList = new QList<QByteArrayMatcher>;
+    m_newlineList->append(QByteArrayMatcher(encode("\r\n", codec)));
+    m_newlineList->append(QByteArrayMatcher(encode("\n", codec)));
+    m_newlineList->append(QByteArrayMatcher(encode("\r", codec)));
+
+    m_previousCodec = codec;
+}