1 files changed, 87 insertions, 0 deletions
diff --git a/src/qdoc/qdoc/src/qdoc/text.h b/src/qdoc/qdoc/src/qdoc/text.h
new file mode 100644
index 000000000..d42143909
--- /dev/null
+++ b/src/qdoc/qdoc/src/qdoc/text.h
@@ -0,0 +1,87 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef TEXT_H
+#define TEXT_H
+
+#include "atom.h"
+
+QT_BEGIN_NAMESPACE
+
+class Text
+{
+public:
+    Text();
+    explicit Text(const QString &str);
+    Text(const Text &text);
+    ~Text();
+
+    Text &operator=(const Text &text);
+
+    Atom *firstAtom() { return m_first; }
+    Atom *lastAtom() { return m_last; }
+    Text &operator<<(Atom::AtomType atomType);
+    Text &operator<<(const QString &string);
+    Text &operator<<(const Atom &atom);
+    Text &operator<<(const LinkAtom &atom);
+    Text &operator<<(const Text &text);
+    void stripFirstAtom();
+    void stripLastAtom();
+
+    [[nodiscard]] bool isEmpty() const { return m_first == nullptr; }
+    [[nodiscard]] bool contains(const QString &str) const;
+    [[nodiscard]] QString toString() const;
+    [[nodiscard]] const Atom *firstAtom() const { return m_first; }
+    [[nodiscard]] const Atom *lastAtom() const { return m_last; }
+    Text subText(Atom::AtomType left, Atom::AtomType right, const Atom *from = nullptr,
+                 bool inclusive = false) const;
+    void dump() const;
+    void clear();
+
+    static Text subText(const Atom *begin, const Atom *end = nullptr);
+    static Text sectionHeading(const Atom *sectionBegin);
+    static int compare(const Text &text1, const Text &text2);
+
+    [[nodiscard]] Text splitAtFirst(Atom::AtomType start);
+
+private:
+    Text(Atom *start, Atom *end) : m_first(start), m_last(end)
+    {
+        Q_ASSERT(m_first != nullptr);
+        Q_ASSERT(m_last != nullptr);
+
+        m_last->setNext(nullptr);
+    }
+
+    Atom *m_first { nullptr };
+    Atom *m_last { nullptr };
+};
+
+inline bool operator==(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) == 0;
+}
+inline bool operator!=(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) != 0;
+}
+inline bool operator<(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) < 0;
+}
+inline bool operator<=(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) <= 0;
+}
+inline bool operator>(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) > 0;
+}
+inline bool operator>=(const Text &text1, const Text &text2)
+{
+    return Text::compare(text1, text2) >= 0;
+}
+
+QT_END_NAMESPACE
+
+#endif