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https://github.com/Ed94/Odin.git
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Fix user dirs, add docs
This commit is contained in:
Ely Alon
+117
-43
@@ -2,103 +2,115 @@
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package os2
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import "base:runtime"
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import "core:strings"
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import "core:sys/posix"
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import "core:fmt" //remove
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_user_cache_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Library/Caches", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_CACHE_HOME", "HOME", "/.cache", allocator)
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return _xdg_lookup("", "/Library/Caches", allocator)
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case: // Unix
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return _xdg_lookup("XDG_CACHE_HOME", "/.cache", allocator)
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}
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}
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_user_config_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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_user_config_dir :: proc(allocator: runtime.Allocator, _roaming: bool) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/.config", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_CONFIG_HOME", "HOME", "/.config", allocator)
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return _xdg_lookup("", "/Library/Application Support", allocator)
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case: // Unix
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return _xdg_lookup("XDG_CONFIG_HOME", "/.config", allocator)
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}
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}
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_user_state_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/.local/state", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_STATE_HOME", "HOME", "/.local/state", allocator)
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return _xdg_lookup("", "/Library/Application Support", allocator)
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case: // Unix
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return _xdg_lookup("XDG_STATE_HOME", "/.local/state", allocator)
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}
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}
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_user_data_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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_user_log_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/.local/share", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_DATA_HOME", "HOME", "/.local/share", allocator)
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return _xdg_lookup("", "/Library/Logs", allocator)
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case: // Unix
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return _xdg_lookup("XDG_STATE_HOME", "/.local/state", allocator)
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}
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}
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_user_data_dir :: proc(allocator: runtime.Allocator, _roaming: bool) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "/Library/Application Support", allocator)
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case: // Unix
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return _xdg_lookup("XDG_DATA_HOME", "/.local/share", allocator)
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}
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}
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_user_music_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Music", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_MUSIC_DIR", "HOME", "/Music", allocator)
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return _xdg_lookup("", "/Music", allocator)
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case: // Unix
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return _xdg_lookup("XDG_MUSIC_DIR", "/Music", allocator)
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}
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}
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_user_desktop_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Desktop", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_DESKTOP_DIR", "HOME", "/Desktop", allocator)
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return _xdg_lookup("", "/Desktop", allocator)
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case: // Unix
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return _xdg_lookup("XDG_DESKTOP_DIR", "/Desktop", allocator)
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}
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}
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_user_documents_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Documents", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_DOCUMENTS_DIR", "HOME", "/Documents", allocator)
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return _xdg_lookup("", "/Documents", allocator)
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case: // Unix
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return _xdg_lookup("XDG_DOCUMENTS_DIR", "/Documents", allocator)
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}
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}
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_user_downloads_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Downloads", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_DOWNLOAD_DIR", "HOME", "/Downloads", allocator)
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return _xdg_lookup("", "/Downloads", allocator)
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case: // Unix
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return _xdg_lookup("XDG_DOWNLOAD_DIR", "/Downloads", allocator)
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}
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}
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_user_pictures_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Pictures", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_PICTURES_DIR", "HOME", "/Pictures", allocator)
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return _xdg_lookup("", "/Pictures", allocator)
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case: // Unix
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return _xdg_lookup("XDG_PICTURES_DIR", "/Pictures", allocator)
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}
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}
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_user_public_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Public", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_PUBLIC_DIR", "HOME", "/Public", allocator)
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return _xdg_lookup("", "/Public", allocator)
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case: // Unix
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return _xdg_lookup("XDG_PUBLICSHARE_DIR", "/Public", allocator)
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}
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}
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_user_videos_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
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#partial switch ODIN_OS {
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case .Darwin:
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return _xdg_lookup("", "HOME", "/Movies", allocator)
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case: // All other UNIX systems
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return _xdg_lookup("XDG_VIDEOS_DIR", "HOME", "/Videos", allocator)
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return _xdg_lookup("", "/Movies", allocator)
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case: // Unix
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return _xdg_lookup("XDG_VIDEOS_DIR", "/Videos", allocator)
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}
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}
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@@ -106,27 +118,89 @@ _user_home_dir :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error
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if v := get_env("HOME", allocator); v != "" {
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return v, nil
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}
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return "", .Invalid_Path
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err = .No_HOME_Variable
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return
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}
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_xdg_lookup :: proc(xdg_env, fallback_env: string, fallback_suffix: string, allocator: runtime.Allocator) -> (dir: string, err: Error) {
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_xdg_lookup :: proc(xdg_key: string, fallback_suffix: string, allocator: runtime.Allocator) -> (dir: string, err: Error) {
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temp_allocator := TEMP_ALLOCATOR_GUARD({ allocator })
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if xdg_env == "" { // Darwin doesn't have XDG paths.
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dir = get_env(fallback_env, temp_allocator)
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if xdg_key == "" { // Darwin doesn't have XDG paths.
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dir = get_env("HOME", temp_allocator)
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if dir == "" {
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return "", .Invalid_Path
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err = .No_HOME_Variable
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return
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}
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return concatenate({dir, fallback_suffix}, allocator)
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} else {
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dir = get_env(xdg_env, allocator)
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if strings.ends_with(xdg_key, "_DIR") {
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dir = _xdg_user_dirs_lookup(xdg_key, allocator) or_return
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} else {
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dir = get_env(xdg_key, allocator)
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}
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if dir == "" {
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dir = get_env(fallback_env, temp_allocator)
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dir = get_env("HOME", temp_allocator)
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if dir == "" {
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return "", .Invalid_Path
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err = .No_HOME_Variable
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return
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}
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dir = concatenate({dir, fallback_suffix}, allocator) or_return
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}
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return
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}
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}
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// If `<config-dir>/user-dirs.dirs` doesn't exist, or `xdg_key` can't be found there: returns `""`
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_xdg_user_dirs_lookup :: proc(xdg_key: string, allocator: runtime.Allocator) -> (dir: string, err: Error) {
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temp_allocator := TEMP_ALLOCATOR_GUARD({ allocator })
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config_dir := user_config_dir(temp_allocator) or_return
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user_dirs_path := concatenate({config_dir, "/user-dirs.dirs"}, temp_allocator) or_return
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user_dirs_content_bytes, read_err := read_entire_file(user_dirs_path, temp_allocator)
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if read_err == .Not_Exist {
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return
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} else if read_err != nil {
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err = read_err
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return
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}
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user_dirs_content := string(user_dirs_content_bytes)
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lines := strings.split_lines(user_dirs_content, temp_allocator) or_return
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home_env := get_env("HOME", temp_allocator)
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if home_env == "" {
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err = .No_HOME_Variable
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return
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}
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for line in lines {
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ss := strings.split_n(line, "=", 2, temp_allocator) or_return
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(len(ss) == 2) or_continue
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sl := strings.trim_space(ss[0])
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sr := ss[1]
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(sl == xdg_key) or_continue
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(len(sr) > 2) or_continue
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lq := strings.index_byte(sr, '"')
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(lq != -1) or_continue
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rq := strings.index_byte(sr[lq+1:], '"') + lq+1
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(rq != -1) or_continue
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sr = sr[lq+1:rq]
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we: posix.wordexp_t
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we_err := posix.wordexp(strings.clone_to_cstring(sr, temp_allocator), &we, nil)
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(we_err == nil) or_continue
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defer posix.wordfree(&we)
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(we.we_wordc == 1) or_continue
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dir = strings.clone_from_cstring(we.we_wordv[0], allocator) or_return
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return
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}
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return
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}
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