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#ifndef TEACH_OS_KERNEL_FILESYSTEM_PATH_HPP
#define TEACH_OS_KERNEL_FILESYSTEM_PATH_HPP
#include <kernel/filesystem/constants.hpp>
#include <kstd/string>
#include <ranges>
#include <string_view>
namespace kernel::filesystem::path
{
/**
@brief Provides utilities for handling filesystem paths, including validation and splitting into components.
*/
/**
@brief Checks if the given path is within the maximum allowed length.
@param path The path to check.
@return true if the path length is valid, false otherwise.
*/
auto inline is_valid_path_length(std::string_view path) -> bool
{
return path.length() < kernel::filesystem::constants::max_path_length;
}
/**
@brief Checks if the given path is a valid absolute path (starts with '/').
@param path The path to check.
@return true if the path is a valid absolute path, false otherwise.
*/
auto inline is_valid_absolute_path(std::string_view path) -> bool
{
return !path.empty() && path.front() == '/' && is_valid_path_length(path);
}
/**
@brief Checks if the given path is a valid relative path (doesn't start with '/').
@param path The path to check.
@return true if the path is a valid relative path, false otherwise.
*/
auto inline is_valid_relative_path(std::string_view path) -> bool
{
return !path.empty() && path.front() != '/' && is_valid_path_length(path);
}
/**
@brief Checks if the given path is a valid path (either absolute or relative).
@param path The path to check.
@return true if the path is a valid path, false otherwise.
*/
auto inline is_valid_path(std::string_view path) -> bool
{
return is_valid_absolute_path(path) || is_valid_relative_path(path);
}
/**
@brief Splits the given path into its components.
@param path The path to split.
@return A range of strings representing the components of the path.
*/
auto inline split(std::string_view path)
{
return std::views::split(path, '/') | std::views::filter([](auto const & part) { return !part.empty(); }) |
std::views::transform(
[](auto const & part) { return kstd::string(std::string_view(part.begin(), part.end())); });
}
} // namespace kernel::filesystem::path
#endif // TEACH_OS_KERNEL_FILESYSTEM_PATH_HPP
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