Move text-related code out of corelib/tools/ to corelib/text/

This includes byte array, string, char, unicode, locale, collation and
regular expressions.

Change-Id: I8b125fa52c8c513eb57a0f1298b91910e5a0d786
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 0 insertions, 338 deletions

diff --git a/src/corelib/tools/qstringview.h b/src/corelib/tools/qstringview.h
deleted file mode 100644
index b84b2995b9..0000000000
--- a/src/corelib/tools/qstringview.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
-** Copyright (C) 2019 Mail.ru Group.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#ifndef QSTRINGVIEW_H
-#define QSTRINGVIEW_H
-
-#ifndef QT_STRINGVIEW_LEVEL
-#  define QT_STRINGVIEW_LEVEL 1
-#endif
-
-#include <QtCore/qchar.h>
-#include <QtCore/qbytearray.h>
-#include <QtCore/qstringliteral.h>
-#include <QtCore/qstringalgorithms.h>
-
-#include <string>
-
-QT_BEGIN_NAMESPACE
-
-class QString;
-class QStringRef;
-
-namespace QtPrivate {
-template <typename Char>
-struct IsCompatibleCharTypeHelper
-    : std::integral_constant<bool,
-                             std::is_same<Char, QChar>::value ||
-                             std::is_same<Char, ushort>::value ||
-#if defined(Q_COMPILER_UNICODE_STRINGS)
-                             std::is_same<Char, char16_t>::value ||
-#endif
-                             (std::is_same<Char, wchar_t>::value && sizeof(wchar_t) == sizeof(QChar))> {};
-template <typename Char>
-struct IsCompatibleCharType
-    : IsCompatibleCharTypeHelper<typename std::remove_cv<typename std::remove_reference<Char>::type>::type> {};
-
-template <typename Array>
-struct IsCompatibleArrayHelper : std::false_type {};
-template <typename Char, size_t N>
-struct IsCompatibleArrayHelper<Char[N]>
-    : IsCompatibleCharType<Char> {};
-template <typename Array>
-struct IsCompatibleArray
-    : IsCompatibleArrayHelper<typename std::remove_cv<typename std::remove_reference<Array>::type>::type> {};
-
-template <typename Pointer>
-struct IsCompatiblePointerHelper : std::false_type {};
-template <typename Char>
-struct IsCompatiblePointerHelper<Char*>
-    : IsCompatibleCharType<Char> {};
-template <typename Pointer>
-struct IsCompatiblePointer
-    : IsCompatiblePointerHelper<typename std::remove_cv<typename std::remove_reference<Pointer>::type>::type> {};
-
-template <typename T>
-struct IsCompatibleStdBasicStringHelper : std::false_type {};
-template <typename Char, typename...Args>
-struct IsCompatibleStdBasicStringHelper<std::basic_string<Char, Args...> >
-    : IsCompatibleCharType<Char> {};
-
-template <typename T>
-struct IsCompatibleStdBasicString
-    : IsCompatibleStdBasicStringHelper<
-        typename std::remove_cv<typename std::remove_reference<T>::type>::type
-      > {};
-
-} // namespace QtPrivate
-
-class QStringView
-{
-public:
-#if defined(Q_OS_WIN) && !defined(Q_COMPILER_UNICODE_STRINGS)
-    typedef wchar_t storage_type;
-#else
-    typedef char16_t storage_type;
-#endif
-    typedef const QChar value_type;
-    typedef std::ptrdiff_t difference_type;
-    typedef qsizetype size_type;
-    typedef value_type &reference;
-    typedef value_type &const_reference;
-    typedef value_type *pointer;
-    typedef value_type *const_pointer;
-
-    typedef pointer iterator;
-    typedef const_pointer const_iterator;
-    typedef std::reverse_iterator<iterator> reverse_iterator;
-    typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-
-private:
-    template <typename Char>
-    using if_compatible_char = typename std::enable_if<QtPrivate::IsCompatibleCharType<Char>::value, bool>::type;
-
-    template <typename Array>
-    using if_compatible_array = typename std::enable_if<QtPrivate::IsCompatibleArray<Array>::value, bool>::type;
-
-    template <typename Pointer>
-    using if_compatible_pointer = typename std::enable_if<QtPrivate::IsCompatiblePointer<Pointer>::value, bool>::type;
-
-    template <typename T>
-    using if_compatible_string = typename std::enable_if<QtPrivate::IsCompatibleStdBasicString<T>::value, bool>::type;
-
-    template <typename T>
-    using if_compatible_qstring_like = typename std::enable_if<std::is_same<T, QString>::value || std::is_same<T, QStringRef>::value, bool>::type;
-
-    template <typename Char, size_t N>
-    static Q_DECL_CONSTEXPR qsizetype lengthHelperArray(const Char (&)[N]) noexcept
-    {
-        return qsizetype(N - 1);
-    }
-
-    template <typename Char>
-    static qsizetype lengthHelperPointer(const Char *str) noexcept
-    {
-#if defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && !defined(Q_CC_INTEL)
-        if (__builtin_constant_p(*str)) {
-            qsizetype result = 0;
-            while (*str++)
-                ++result;
-            return result;
-        }
-#endif
-        return QtPrivate::qustrlen(reinterpret_cast<const ushort *>(str));
-    }
-    static qsizetype lengthHelperPointer(const QChar *str) noexcept
-    {
-        return QtPrivate::qustrlen(reinterpret_cast<const ushort *>(str));
-    }
-
-    template <typename Char>
-    static const storage_type *castHelper(const Char *str) noexcept
-    { return reinterpret_cast<const storage_type*>(str); }
-    static Q_DECL_CONSTEXPR const storage_type *castHelper(const storage_type *str) noexcept
-    { return str; }
-
-public:
-    Q_DECL_CONSTEXPR QStringView() noexcept
-        : m_size(0), m_data(nullptr) {}
-    Q_DECL_CONSTEXPR QStringView(std::nullptr_t) noexcept
-        : QStringView() {}
-
-    template <typename Char, if_compatible_char<Char> = true>
-    Q_DECL_CONSTEXPR QStringView(const Char *str, qsizetype len)
-        : m_size((Q_ASSERT(len >= 0), Q_ASSERT(str || !len), len)),
-          m_data(castHelper(str)) {}
-
-    template <typename Char, if_compatible_char<Char> = true>
-    Q_DECL_CONSTEXPR QStringView(const Char *f, const Char *l)
-        : QStringView(f, l - f) {}
-
-#ifdef Q_CLANG_QDOC
-    template <typename Char, size_t N>
-    Q_DECL_CONSTEXPR QStringView(const Char (&array)[N]) noexcept;
-
-    template <typename Char>
-    Q_DECL_CONSTEXPR QStringView(const Char *str) noexcept;
-#else
-    template <typename Array, if_compatible_array<Array> = true>
-    Q_DECL_CONSTEXPR QStringView(const Array &str) noexcept
-        : QStringView(str, lengthHelperArray(str)) {}
-
-    template <typename Pointer, if_compatible_pointer<Pointer> = true>
-    Q_DECL_CONSTEXPR QStringView(const Pointer &str) noexcept
-        : QStringView(str, str ? lengthHelperPointer(str) : 0) {}
-#endif
-
-#ifdef Q_CLANG_QDOC
-    QStringView(const QString &str) noexcept;
-    QStringView(const QStringRef &str) noexcept;
-#else
-    template <typename String, if_compatible_qstring_like<String> = true>
-    QStringView(const String &str) noexcept
-        : QStringView(str.isNull() ? nullptr : str.data(), qsizetype(str.size())) {}
-#endif
-
-    template <typename StdBasicString, if_compatible_string<StdBasicString> = true>
-    QStringView(const StdBasicString &str) noexcept
-        : QStringView(str.data(), qsizetype(str.size())) {}
-
-    Q_REQUIRED_RESULT inline QString toString() const; // defined in qstring.h
-
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR qsizetype size() const noexcept { return m_size; }
-    Q_REQUIRED_RESULT const_pointer data() const noexcept { return reinterpret_cast<const_pointer>(m_data); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR const storage_type *utf16() const noexcept { return m_data; }
-
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar operator[](qsizetype n) const
-    { return Q_ASSERT(n >= 0), Q_ASSERT(n < size()), QChar(m_data[n]); }
-
-    //
-    // QString API
-    //
-
-    template <typename...Args>
-    Q_REQUIRED_RESULT inline QString arg(Args &&...args) const; // defined in qstring.h
-
-    Q_REQUIRED_RESULT QByteArray toLatin1() const { return QtPrivate::convertToLatin1(*this); }
-    Q_REQUIRED_RESULT QByteArray toUtf8() const { return QtPrivate::convertToUtf8(*this); }
-    Q_REQUIRED_RESULT QByteArray toLocal8Bit() const { return QtPrivate::convertToLocal8Bit(*this); }
-    Q_REQUIRED_RESULT inline QVector<uint> toUcs4() const; // defined in qvector.h
-
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar at(qsizetype n) const { return (*this)[n]; }
-
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QStringView mid(qsizetype pos) const
-    { return Q_ASSERT(pos >= 0), Q_ASSERT(pos <= size()), QStringView(m_data + pos, m_size - pos); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QStringView mid(qsizetype pos, qsizetype n) const
-    { return Q_ASSERT(pos >= 0), Q_ASSERT(n >= 0), Q_ASSERT(pos + n <= size()), QStringView(m_data + pos, n); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QStringView left(qsizetype n) const
-    { return Q_ASSERT(n >= 0), Q_ASSERT(n <= size()), QStringView(m_data, n); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QStringView right(qsizetype n) const
-    { return Q_ASSERT(n >= 0), Q_ASSERT(n <= size()), QStringView(m_data + m_size - n, n); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QStringView chopped(qsizetype n) const
-    { return Q_ASSERT(n >= 0), Q_ASSERT(n <= size()), QStringView(m_data, m_size - n); }
-
-    Q_DECL_RELAXED_CONSTEXPR void truncate(qsizetype n)
-    { Q_ASSERT(n >= 0); Q_ASSERT(n <= size()); m_size = n; }
-    Q_DECL_RELAXED_CONSTEXPR void chop(qsizetype n)
-    { Q_ASSERT(n >= 0); Q_ASSERT(n <= size()); m_size -= n; }
-
-    Q_REQUIRED_RESULT QStringView trimmed() const noexcept { return QtPrivate::trimmed(*this); }
-
-    Q_REQUIRED_RESULT int compare(QStringView other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::compareStrings(*this, other, cs); }
-
-    Q_REQUIRED_RESULT bool startsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::startsWith(*this, s, cs); }
-    Q_REQUIRED_RESULT inline bool startsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
-    Q_REQUIRED_RESULT bool startsWith(QChar c) const noexcept
-    { return !empty() && front() == c; }
-    Q_REQUIRED_RESULT bool startsWith(QChar c, Qt::CaseSensitivity cs) const noexcept
-    { return QtPrivate::startsWith(*this, QStringView(&c, 1), cs); }
-
-    Q_REQUIRED_RESULT bool endsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::endsWith(*this, s, cs); }
-    Q_REQUIRED_RESULT inline bool endsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
-    Q_REQUIRED_RESULT bool endsWith(QChar c) const noexcept
-    { return !empty() && back() == c; }
-    Q_REQUIRED_RESULT bool endsWith(QChar c, Qt::CaseSensitivity cs) const noexcept
-    { return QtPrivate::endsWith(*this, QStringView(&c, 1), cs); }
-
-    Q_REQUIRED_RESULT qsizetype indexOf(QChar c, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::findString(*this, from, QStringView(&c, 1), cs); }
-    Q_REQUIRED_RESULT qsizetype indexOf(QStringView s, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::findString(*this, from, s, cs); }
-    Q_REQUIRED_RESULT inline qsizetype indexOf(QLatin1String s, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
-
-    Q_REQUIRED_RESULT bool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return indexOf(QStringView(&c, 1), 0, cs) != qsizetype(-1); }
-    Q_REQUIRED_RESULT bool contains(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return indexOf(s, 0, cs) != qsizetype(-1); }
-    Q_REQUIRED_RESULT inline bool contains(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
-
-    Q_REQUIRED_RESULT qsizetype lastIndexOf(QChar c, qsizetype from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::lastIndexOf(*this, from, QStringView(&c, 1), cs); }
-    Q_REQUIRED_RESULT qsizetype lastIndexOf(QStringView s, qsizetype from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
-    { return QtPrivate::lastIndexOf(*this, from, s, cs); }
-    Q_REQUIRED_RESULT inline qsizetype lastIndexOf(QLatin1String s, qsizetype from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
-
-    Q_REQUIRED_RESULT bool isRightToLeft() const noexcept
-    { return QtPrivate::isRightToLeft(*this); }
-
-    Q_REQUIRED_RESULT Q_CORE_EXPORT int toWCharArray(wchar_t *array) const;
-
-    //
-    // STL compatibility API:
-    //
-    Q_REQUIRED_RESULT const_iterator begin()   const noexcept { return data(); }
-    Q_REQUIRED_RESULT const_iterator end()     const noexcept { return data() + size(); }
-    Q_REQUIRED_RESULT const_iterator cbegin()  const noexcept { return begin(); }
-    Q_REQUIRED_RESULT const_iterator cend()    const noexcept { return end(); }
-    Q_REQUIRED_RESULT const_reverse_iterator rbegin()  const noexcept { return const_reverse_iterator(end()); }
-    Q_REQUIRED_RESULT const_reverse_iterator rend()    const noexcept { return const_reverse_iterator(begin()); }
-    Q_REQUIRED_RESULT const_reverse_iterator crbegin() const noexcept { return rbegin(); }
-    Q_REQUIRED_RESULT const_reverse_iterator crend()   const noexcept { return rend(); }
-
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool empty() const noexcept { return size() == 0; }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar front() const { return Q_ASSERT(!empty()), QChar(m_data[0]); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar back()  const { return Q_ASSERT(!empty()), QChar(m_data[m_size - 1]); }
-
-    //
-    // Qt compatibility API:
-    //
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isNull() const noexcept { return !m_data; }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isEmpty() const noexcept { return empty(); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR int length() const /* not nothrow! */
-    { return Q_ASSERT(int(size()) == size()), int(size()); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar first() const { return front(); }
-    Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar last()  const { return back(); }
-private:
-    qsizetype m_size;
-    const storage_type *m_data;
-};
-Q_DECLARE_TYPEINFO(QStringView, Q_PRIMITIVE_TYPE);
-
-template <typename QStringLike, typename std::enable_if<
-    std::is_same<QStringLike, QString>::value || std::is_same<QStringLike, QStringRef>::value,
-    bool>::type = true>
-inline QStringView qToStringViewIgnoringNull(const QStringLike &s) noexcept
-{ return QStringView(s.data(), s.size()); }
-
-QT_END_NAMESPACE
-
-#endif /* QSTRINGVIEW_H */