// vim:fileencoding=utf-8:foldmethod=marker

#ifndef CPATH_H
#define CPATH_H

#include "../../common/aliases/aliases.h"
#include "../../common/platform/platform.h"
#include "../../base/mem/allocator/mem_allocator.h"
#include "../../base/strings/str8/str8.h"

#ifdef WP_PLATFORM_CPP
BEGIN_C_LINKAGE
#endif // !WP_PLATFORM_CPP

#ifdef WP_PLATFORM_POSIX
#include <limits.h>
#define WP_PATH_SEP '/'
#define WP_PATH_MAX PATH_MAX
#elif defined(WP_PLATFORM_WINDOWS)
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#define WP_PATH_SEP '\\'
#define WP_PATH_MAX MAX_PATH
#else
#error "Unrecognised platform"
#endif

#define wpCpathDirname(ALLOCATOR, PATH) dirUp(ALLOCATOR, PATH, 1)
#define wpCpathDirUp(ALLOCATOR, PATH, COUNT) dirUp(ALLOCATOR, PATH, COUNT)

typedef enum WpCpathJoinResult {
	WP_CPATH_JOIN_RESULT_SUCCESS = 0,
	WP_CPATH_JOIN_RESULT_INVALID_ARGS,
	WP_CPATH_JOIN_RESULT_EMPTY_PARTS,
	WP_CPATH_JOIN_RESULT_INSUFFICIENT_DST_CAPACITY,
} WpCpathJoinResult;

WpCpathJoinResult wpCpathJoinPath(WpStr8 *dst, const WpStr8List *parts);
WpStr8           *dirUp(const WpAllocator *allocator, WpStr8RO *path, u64 levels);

#ifdef WP_PLATFORM_CPP
END_C_LINKAGE
#endif // !WP_PLATFORM_CPP

#endif // !CPATH_H