qt-creator/src/libs/clangbackendipc/sourcefilepathcontainerbase.h

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** Copyright (C) 2016 The Qt Company Ltd.
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#pragma once

#include "filepath.h"

#include <unordered_map>

namespace ClangBackEnd {

using FilePathDict = std::unordered_map<uint, FilePath>;

class SourceFilePathContainerBase
{
public:
    SourceFilePathContainerBase() = default;
    SourceFilePathContainerBase(std::unordered_map<uint, FilePath> &&filePathHash)
        : m_filePathHash(std::move(filePathHash))
    {
    }

    void insertFilePath(uint fileId, Utils::SmallString &&fileDirectory, Utils::SmallString &&fileName)
    {
        if (m_filePathHash.find(fileId) == m_filePathHash.end()) {
            m_filePathHash.emplace(std::piecewise_construct,
                                 std::forward_as_tuple(fileId),
                                 std::forward_as_tuple(std::move(fileDirectory), std::move(fileName)));
        }
    }

    void reserve(std::size_t size)
    {
        m_filePathHash.reserve(size / 3);
    }

    const FilePathDict &filePaths() const
    {
        return m_filePathHash;
    }

protected:
    FilePathDict m_filePathHash;
};

} // namespace ClangBackEnd