qt-creator/src/plugins/clangformat/clangformatbaseindenter.h

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#pragma once

#include <texteditor/indenter.h>

#include <clang/Format/Format.h>

namespace ClangFormat {

enum class ReplacementsToKeep { OnlyIndent, IndentAndBefore, All };

class ClangFormatBaseIndenter : public TextEditor::Indenter
{
public:
    ClangFormatBaseIndenter(QTextDocument *doc);

    TextEditor::IndentationForBlock indentationForBlocks(const QVector<QTextBlock> &blocks,
                                                         const TextEditor::TabSettings &tabSettings,
                                                         int cursorPositionInEditor = -1) override;
    void indent(const QTextCursor &cursor,
                const QChar &typedChar,
                const TextEditor::TabSettings &tabSettings,
                int cursorPositionInEditor = -1) override;

    void reindent(const QTextCursor &cursor,
                  const TextEditor::TabSettings &tabSettings,
                  int cursorPositionInEditor = -1) override;

    void formatOrIndent(const QTextCursor &cursor,
                        const TextEditor::TabSettings &tabSettings,
                        int cursorPositionInEditor = -1) override;
    TextEditor::Replacements format(
        const TextEditor::RangesInLines &rangesInLines = TextEditor::RangesInLines()) override;

    void indentBlock(const QTextBlock &block,
                     const QChar &typedChar,
                     const TextEditor::TabSettings &tabSettings,
                     int cursorPositionInEditor = -1) override;

    int indentFor(const QTextBlock &block,
                  const TextEditor::TabSettings &tabSettings,
                  int cursorPositionInEditor = -1) override;

    bool isElectricCharacter(const QChar &ch) const override;

protected:
    virtual clang::format::FormatStyle styleForFile() const;
    virtual bool formatCodeInsteadOfIndent() const { return false; }
    virtual bool formatWhileTyping() const { return false; }
    virtual int lastSaveRevision() const { return 0; }

private:
    void indent(const QTextCursor &cursor, const QChar &typedChar, int cursorPositionInEditor);
    void indentBlocks(const QTextBlock &startBlock,
                      const QTextBlock &endBlock,
                      const QChar &typedChar,
                      int cursorPositionInEditor);
    int indentFor(const QTextBlock &block, int cursorPositionInEditor);
    TextEditor::Replacements replacements(QByteArray buffer,
                                          int utf8Offset,
                                          int utf8Length,
                                          const QTextBlock &startBlock,
                                          const QTextBlock &endBlock,
                                          ReplacementsToKeep replacementsToKeep,
                                          const QChar &typedChar = QChar::Null,
                                          bool secondTry = false) const;
};

} // namespace ClangFormat