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Correct _split_iterator

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This commit is contained in:
gingerBill
2022-02-14 10:57:29 +00:00
parent cf528431f5
commit f561147190
2 changed files with 20 additions and 79 deletions
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core/strings/strings.odin
+12 -47
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@@ -298,13 +298,7 @@ split_after_n :: proc(s, sep: string, n: int, allocator := context.allocator) ->
@private
_split_iterator :: proc(s: ^string, sep: string, sep_save, n: int) -> (res: string, ok: bool) {
s, n := s, n
if n == 0 {
return
}
_split_iterator :: proc(s: ^string, sep: string, sep_save: int) -> (res: string, ok: bool) {
if sep == "" {
res = s[:]
ok = true
@@ -312,44 +306,27 @@ _split_iterator :: proc(s: ^string, sep: string, sep_save, n: int) -> (res: stri
return
}
if n < 0 {
n = count(s^, sep) + 1
}
n -= 1
i := 0
for ; i < n; i += 1 {
m := index(s^, sep)
if m < 0 {
break
}
m := index(s^, sep)
if m < 0 {
// not found
res = s[:]
ok = res != ""
s^ = s[len(s):]
} else {
res = s[:m+sep_save]
ok = true
s^ = s[m+len(sep):]
return
}
res = s[:]
ok = res != ""
s^ = s[len(s):]
return
}
split_iterator :: proc(s: ^string, sep: string) -> (string, bool) {
return _split_iterator(s, sep, 0, -1)
}
split_n_iterator :: proc(s: ^string, sep: string, n: int) -> (string, bool) {
return _split_iterator(s, sep, 0, n)
return _split_iterator(s, sep, 0)
}
split_after_iterator :: proc(s: ^string, sep: string) -> (string, bool) {
return _split_iterator(s, sep, len(sep), -1)
}
split_after_n_iterator :: proc(s: ^string, sep: string, n: int) -> (string, bool) {
return _split_iterator(s, sep, len(sep), n)
return _split_iterator(s, sep, len(sep))
}
@@ -402,25 +379,13 @@ split_lines_after_n :: proc(s: string, n: int, allocator := context.allocator) -
split_lines_iterator :: proc(s: ^string) -> (line: string, ok: bool) {
sep :: "\n"
line = _split_iterator(s, sep, 0, -1) or_return
return _trim_cr(line), true
}
split_lines_n_iterator :: proc(s: ^string, n: int) -> (line: string, ok: bool) {
sep :: "\n"
line = _split_iterator(s, sep, 0, n) or_return
line = _split_iterator(s, sep, 0) or_return
return _trim_cr(line), true
}
split_lines_after_iterator :: proc(s: ^string) -> (line: string, ok: bool) {
sep :: "\n"
line = _split_iterator(s, sep, len(sep), -1) or_return
return _trim_cr(line), true
}
split_lines_after_n_iterator :: proc(s: ^string, n: int) -> (line: string, ok: bool) {
sep :: "\n"
line = _split_iterator(s, sep, len(sep), n) or_return
line = _split_iterator(s, sep, len(sep)) or_return
return _trim_cr(line), true
}