refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/context/DocumentContextReader.hpp

@@ -0,0 +1,77 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include <texteditor/textdocument.h>
+#include <QTextDocument>
+
+#include "llmcore/ContextData.hpp"
+#include <settings/CodeCompletionSettings.hpp>
+
+namespace QodeAssist::Context {
+
+struct CopyrightInfo
+{
+    int startLine;
+    int endLine;
+    bool found;
+};
+
+class DocumentContextReader
+{
+public:
+    DocumentContextReader(
+        QTextDocument *m_document, const QString &mimeType, const QString &filePath);
+
+    QString getLineText(int lineNumber, int cursorPosition = -1) const;
+
+    /**
+     * @brief Retrieves @c linesCount lines of context ending at @c lineNumber at
+     * @c cursorPosition in that line. The line at @c lineNumber is inclusive regardless of
+     * @c cursorPosition.
+     */
+    QString getContextBefore(int lineNumber, int cursorPosition, int linesCount) const;
+
+    /**
+     * @brief Retrieves @c linesCount lines of context starting at @c lineNumber at
+     * @c cursorPosition in that line. The line at @c lineNumber is inclusive regardless of
+     * @c cursorPosition.
+     */
+    QString getContextAfter(int lineNumber, int cursorPosition, int linesCount) const;
+
+    /**
+     * @brief Retrieves whole file ending at @c lineNumber at @c cursorPosition in that line.
+     */
+    QString readWholeFileBefore(int lineNumber, int cursorPosition) const;
+
+    /**
+     * @brief Retrieves whole file starting at @c lineNumber at @c cursorPosition in that line.
+     */
+    QString readWholeFileAfter(int lineNumber, int cursorPosition) const;
+
+    QString getLanguageAndFileInfo() const;
+    CopyrightInfo findCopyright();
+    QString getContextBetween(
+        int startLine, int startCursorPosition, int endLine, int endCursorPosition) const;
+
+    CopyrightInfo copyrightInfo() const;
+
+    LLMCore::ContextData prepareContext(
+        int lineNumber, int cursorPosition, const Settings::CodeCompletionSettings &settings) const;
+
+private:
+    TextEditor::TextDocument *m_textDocument;
+    QTextDocument *m_document;
+    QString m_mimeType;
+    QString m_filePath;
+
+    // Used to omit copyright headers from context. If context would otherwise include copyright
+    // header it is excluded by deleting it from the returned context. This means, that the
+    // returned context may contain less information than requested. If the cursor is within copyright
+    // header, then the context may be empty if the context window is small.
+    CopyrightInfo m_copyrightInfo;
+};
+
+} // namespace QodeAssist::Context