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** Copyright (C) 2016 The Qt Company Ltd.
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
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#pragma once

#include <QtGlobal>

#include <clang-c/Index.h>

#include <iosfwd>

class Utf8String;

namespace ClangBackEnd {

using uint = unsigned int;

class UnsavedFile
{
public:
    friend void PrintTo(const UnsavedFile &unsavedFile, std::ostream *os);

    UnsavedFile();
    UnsavedFile(const Utf8String &filePath, const Utf8String &fileContent);
    ~UnsavedFile();

    UnsavedFile(const UnsavedFile &other) = delete;
    bool operator=(const UnsavedFile &other) = delete;

    UnsavedFile(UnsavedFile &&other) Q_DECL_NOEXCEPT;
    UnsavedFile &operator=(UnsavedFile &&other) Q_DECL_NOEXCEPT;

    Utf8String filePath() const;
    const char *nativeFilePath() const;

    // 1-based line and column
    uint toUtf8Position(uint line, uint column, bool *ok) const;
    bool hasCharacterAt(uint line, uint column, char character) const;
    bool hasCharacterAt(uint position, char character) const;
    bool replaceAt(uint position, uint length, const Utf8String &replacement);

    CXUnsavedFile *data();

public: // for tests
    CXUnsavedFile cxUnsavedFile;
};

} // namespace ClangBackEnd