Long live QStringIterator!

UCS-4 iterator over a QString.
Kept private for now so we can still work on the API.

Done-with: Thiago
Change-Id: I377f8bb1921e591ee3292c08c3e097fb6bc7f0c4
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_tools_qstringiterator.cpp b/src/corelib/doc/snippets/code/src_corelib_tools_qstringiterator.cpp
new file mode 100644
index 0000000000..178c6feb0a
--- /dev/null
+++ b/src/corelib/doc/snippets/code/src_corelib_tools_qstringiterator.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QString>
+#include <QStringIterator>
+#include <QDebug>
+
+int main()
+{
+
+{
+//! [0]
+QString string(QStringLiteral("a string"));
+QStringIterator i(string);
+//! [0]
+
+//! [1]
+// will print 97, 32, 115, 116, etc.;
+// that is, the decimal value of the code points in the Unicode string "a string"
+while (i.hasNext())
+    qDebug() << i.next();
+//! [1]
+}
+
+{
+//! [2]
+QString string(QStringLiteral("𝄞 is the G clef"));
+QStringIterator i(string);
+qDebug() << hex << i.next(); // will print 1d11e (U+1D11E, MUSICAL SYMBOL G CLEF)
+qDebug() << hex << i.next(); // will print 20 (U+0020, SPACE)
+qDebug() << hex << i.next(); // will print 69 (U+0069, LATIN SMALL LETTER I)
+//! [2]
+}
+
+}