feat: Add settings page for providers (#353)

sources/tomlSerializer/TomlWriter.hpp

@@ -0,0 +1,47 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QHash>
+#include <QJsonObject>
+#include <QString>
+#include <QStringList>
+
+namespace QodeAssist::TomlSerializer {
+
+[[nodiscard]] QString escapeBasic(const QString &s);
+
+class TomlWriter
+{
+public:
+    TomlWriter() = default;
+    explicit TomlWriter(int keyColumnWidth) : m_keyColumnWidth(keyColumnWidth) {}
+
+    void setKeyColumnWidth(int width) { m_keyColumnWidth = width; }
+
+    void writeBlankLine();
+    void writeComment(const QString &line);     // "# line\n"
+    void writeTableHeader(const QString &name); // "[name]\n"
+
+    void writeString(const QString &key, const QString &value);
+    void writeBool(const QString &key, bool value);
+    void writeInt(const QString &key, qint64 value);
+    void writeDouble(const QString &key, double value);
+    void writeStringArray(const QString &key, const QStringList &values);
+
+    void writeJsonPrimitives(const QJsonObject &obj);
+
+    void writeStringDict(const QHash<QString, QString> &dict);
+
+    [[nodiscard]] QString result() const { return m_out; }
+    [[nodiscard]] QByteArray toUtf8() const { return m_out.toUtf8(); }
+
+private:
+    void writeKeyPrefix(const QString &key);
+
+    QString m_out;
+    int m_keyColumnWidth = 0;
+};
+
+} // namespace QodeAssist::TomlSerializer