--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/tools/qstringbuilder.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,271 @@
+/****************************************************************************
+**
+** 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 QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSTRINGBUILDER_H
+#define QSTRINGBUILDER_H
+
+#include <QtCore/qstring.h>
+
+#if defined(Q_CC_GNU) && !defined(Q_CC_INTEL)
+# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
+# include <QtCore/qmap.h>
+# endif
+#endif
+
+#include <string.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+// ### Qt 5: merge with QLatin1String
+class QLatin1Literal
+{
+public:
+ int size() const { return m_size; }
+ const char *data() const { return m_data; }
+
+ template <int N>
+ QLatin1Literal(const char (&str)[N])
+ : m_size(N - 1), m_data(str) {}
+
+private:
+ const int m_size;
+ const char *m_data;
+};
+
+
+template <typename T> struct QConcatenable {};
+
+template <typename A, typename B>
+class QStringBuilder
+{
+public:
+ QStringBuilder(const A &a_, const B &b_) : a(a_), b(b_) {}
+
+ operator QString() const
+ {
+ QString s(QConcatenable< QStringBuilder<A, B> >::size(*this),
+ Qt::Uninitialized);
+
+ QChar *d = s.data();
+ QConcatenable< QStringBuilder<A, B> >::appendTo(*this, d);
+ return s;
+ }
+ QByteArray toLatin1() const { return QString(*this).toLatin1(); }
+
+ const A &a;
+ const B &b;
+};
+
+
+template <> struct QConcatenable<char>
+{
+ typedef char type;
+ static int size(const char) { return 1; }
+ static inline void appendTo(const char c, QChar *&out)
+ {
+ *out++ = QLatin1Char(c);
+ }
+};
+
+template <> struct QConcatenable<QLatin1Char>
+{
+ typedef QLatin1Char type;
+ static int size(const QLatin1Char) { return 1; }
+ static inline void appendTo(const QLatin1Char c, QChar *&out)
+ {
+ *out++ = c;
+ }
+};
+
+template <> struct QConcatenable<QChar>
+{
+ typedef QChar type;
+ static int size(const QChar) { return 1; }
+ static inline void appendTo(const QChar c, QChar *&out)
+ {
+ *out++ = c;
+ }
+};
+
+template <> struct QConcatenable<QCharRef>
+{
+ typedef QCharRef type;
+ static int size(const QCharRef &) { return 1; }
+ static inline void appendTo(const QCharRef &c, QChar *&out)
+ {
+ *out++ = QChar(c);
+ }
+};
+
+template <> struct QConcatenable<QLatin1String>
+{
+ typedef QLatin1String type;
+ static int size(const QLatin1String &a) { return qstrlen(a.latin1()); }
+ static inline void appendTo(const QLatin1String &a, QChar *&out)
+ {
+ for (const char *s = a.latin1(); *s; )
+ *out++ = QLatin1Char(*s++);
+ }
+
+};
+
+template <> struct QConcatenable<QLatin1Literal>
+{
+ typedef QLatin1Literal type;
+ static int size(const QLatin1Literal &a) { return a.size(); }
+ static inline void appendTo(const QLatin1Literal &a, QChar *&out)
+ {
+ for (const char *s = a.data(); *s; )
+ *out++ = QLatin1Char(*s++);
+ }
+};
+
+template <> struct QConcatenable<QString>
+{
+ typedef QString type;
+ static int size(const QString &a) { return a.size(); }
+ static inline void appendTo(const QString &a, QChar *&out)
+ {
+ const int n = a.size();
+ memcpy(out, reinterpret_cast<const char*>(a.constData()), sizeof(QChar) * n);
+ out += n;
+ }
+};
+
+template <> struct QConcatenable<QStringRef>
+{
+ typedef QStringRef type;
+ static int size(const QStringRef &a) { return a.size(); }
+ static inline void appendTo(QStringRef a, QChar *&out)
+ {
+ const int n = a.size();
+ memcpy(out, reinterpret_cast<const char*>(a.constData()), sizeof(QChar) * n);
+ out += n;
+ }
+};
+
+#ifndef QT_NO_CAST_FROM_ASCII
+template <int N> struct QConcatenable<char[N]>
+{
+ typedef char type[N];
+ static int size(const char[N]) { return N - 1; }
+ static inline void appendTo(const char a[N], QChar *&out)
+ {
+ for (int i = 0; i < N - 1; ++i)
+ *out++ = QLatin1Char(a[i]);
+ }
+};
+
+template <int N> struct QConcatenable<const char[N]>
+{
+ typedef const char type[N];
+ static int size(const char[N]) { return N - 1; }
+ static inline void appendTo(const char a[N], QChar *&out)
+ {
+ for (int i = 0; i < N - 1; ++i)
+ *out++ = QLatin1Char(a[i]);
+ }
+};
+
+template <> struct QConcatenable<const char *>
+{
+ typedef char const *type;
+ static int size(const char *a) { return qstrlen(a); }
+ static inline void appendTo(const char *a, QChar *&out)
+ {
+ while (*a)
+ *out++ = QLatin1Char(*a++);
+ }
+};
+
+template <> struct QConcatenable<QByteArray>
+{
+ typedef QByteArray type;
+ static int size(const QByteArray &ba) { return qstrnlen(ba.constData(), ba.size()); }
+ static inline void appendTo(const QByteArray &ba, QChar *&out)
+ {
+ const char *data = ba.constData();
+ while (*data)
+ *out++ = QLatin1Char(*data++);
+ }
+};
+#endif
+
+template <typename A, typename B>
+struct QConcatenable< QStringBuilder<A, B> >
+{
+ typedef QStringBuilder<A, B> type;
+ static int size(const type &p)
+ {
+ return QConcatenable<A>::size(p.a) + QConcatenable<B>::size(p.b);
+ }
+ static inline void appendTo(const QStringBuilder<A, B> &p, QChar *&out)
+ {
+ QConcatenable<A>::appendTo(p.a, out);
+ QConcatenable<B>::appendTo(p.b, out);
+ }
+};
+
+template <typename A, typename B>
+QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type>
+operator%(const A &a, const B &b)
+{
+ return QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type>(a, b);
+}
+
+#ifdef QT_USE_FAST_OPERATOR_PLUS
+template <typename A, typename B>
+QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type>
+operator+(const A &a, const B &b)
+{
+ return QStringBuilder<typename QConcatenable<A>::type, typename QConcatenable<B>::type>(a, b);
+}
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSTRINGBUILDER_H