mgl_file_path_view.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_FILE_PATH_VIEW_H_1690714217
#define INCGUARD_MGL_FILE_PATH_VIEW_H_1690714217
 
#include <mgl/file/mgl_file_path.h>
 
namespace MGL::File
{
class PathView
{
public:
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    constexpr PathView(const char *path) noexcept
        : _path(path)
    {
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    PathView(const Path &path) noexcept
        : _path(path.GetCString())
    {
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    constexpr operator const char *() const noexcept
    {
        return _path;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] constexpr const char *GetCString() const noexcept
    {
        return _path;
    }
 
    [[nodiscard]] Path Append(const char *element) const noexcept;
    [[nodiscard]] Path Concat(const char *string) const noexcept;
    [[nodiscard]] Path Concat(char character) const noexcept;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] Path operator /=(const char *element) const noexcept
    {
        return Append(element);
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] Path operator +=(const char *string) const noexcept
    {
        return Concat(string);
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] Path operator +=(char character) const noexcept
    {
        return Concat(character);
    }
 
    [[nodiscard]] size_t GetLength() const noexcept;
    [[nodiscard]] bool IsEmpty() const noexcept;
 
    [[nodiscard]] Path GetRoot() const noexcept;
    [[nodiscard]] Path GetMountName() const noexcept;
    [[nodiscard]] Path GetRelativePath() const noexcept;
    [[nodiscard]] Path GetParent() const noexcept;
    [[nodiscard]] Path GetFilename() const noexcept;
    [[nodiscard]] Path GetStem() const noexcept;
    [[nodiscard]] Path GetExtension() const noexcept;
 
private:
    const char *_path;
};
 
}   // namespace MGL::File
 
#endif  // INCGUARD_MGL_FILE_PATH_VIEW_H_1690714217
 
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