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Simplify _xdg_user_dirs_lookup

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This commit is contained in:
Jeroen van Rijn
2025-06-08 14:56:41 +02:00
parent 00b67831d1
commit 77f4199af6
2 changed files with 37 additions and 57 deletions
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core/os/os2/user_posix.odin
+20 -42
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@@ -2,6 +2,7 @@
package os2
import "base:runtime"
import "core:encoding/ini"
import "core:strings"
import "core:sys/posix"
@@ -153,53 +154,30 @@ _xdg_lookup :: proc(xdg_key: string, fallback_suffix: string, allocator: runtime
// If `<config-dir>/user-dirs.dirs` doesn't exist, or `xdg_key` can't be found there: returns `""`
_xdg_user_dirs_lookup :: proc(xdg_key: string, allocator: runtime.Allocator) -> (dir: string, err: Error) {
temp_allocator := TEMP_ALLOCATOR_GUARD({ allocator })
config_dir := user_config_dir(temp_allocator) or_return
user_dirs_path := concatenate({config_dir, "/user-dirs.dirs"}, temp_allocator) or_return
content := read_entire_file(user_dirs_path, temp_allocator) or_return
config_dir := user_config_dir(temp_allocator) or_return
user_dirs_path := concatenate({config_dir, "/user-dirs.dirs"}, temp_allocator) or_return
user_dirs_content_bytes, read_err := read_entire_file(user_dirs_path, temp_allocator)
if read_err == .Not_Exist {
return
} else if read_err != nil {
err = read_err
return
}
user_dirs_content := string(user_dirs_content_bytes)
lines := strings.split_lines(user_dirs_content, temp_allocator) or_return
home_env := get_env("HOME", temp_allocator)
if home_env == "" {
err = .No_HOME_Variable
return
it := ini.Iterator{
section = "",
_src = string(content),
options = ini.Options{
comment = "#",
key_lower_case = false,
},
}
for line in lines {
ss := strings.split_n(line, "=", 2, temp_allocator) or_return
(len(ss) == 2) or_continue
sl := strings.trim_space(ss[0])
sr := ss[1]
for k, v in ini.iterate(&it) {
if k == xdg_key {
we: posix.wordexp_t
defer posix.wordfree(&we)
(sl == xdg_key) or_continue
if _err := posix.wordexp(strings.clone_to_cstring(v, temp_allocator), &we, nil); _err != nil || we.we_wordc != 1 {
return "", .Wordexp_Failed
}
(len(sr) > 2) or_continue
lq := strings.index_byte(sr, '"')
(lq != -1) or_continue
rq := strings.index_byte(sr[lq+1:], '"') + lq+1
(rq != -1) or_continue
sr = sr[lq+1:rq]
we: posix.wordexp_t
we_err := posix.wordexp(strings.clone_to_cstring(sr, temp_allocator), &we, nil)
(we_err == nil) or_continue
defer posix.wordfree(&we)
(we.we_wordc == 1) or_continue
dir = strings.clone_from_cstring(we.we_wordv[0], allocator) or_return
return
return strings.clone_from_cstring(we.we_wordv[0], allocator)
}
}
return
}