Files
OpenFlare/pkg/render/openresty/status_codes.go
T
ryan 699e95f12c perfsprint 18→0:strconv.Itoa/FormatInt/FormatUint/FormatBool 替代 fmt.Sprintf、无动词 fmt.Errorf→errors.New、纯字符串拼接。全部语义等价(已核对 diff)。修正 fixer 遗留的 import 问题(引入 goimports 统一整理)。
Result: {"status":"keep","total_issues":56,"golint_canonicalheader":8,"golint_errname":1,"golint_errorlint":12,"golint_forcetypeassert":3,"golint_gosec":0,"golint_intrange":3,"golint_modernize":5,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":3,"golint_recvcheck":7,"golint_usestdlibvars":3,"golint_wastedassign":7,"golint_total":55,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":47}
2026-08-16 17:34:44 +08:00

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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
package openresty
import (
"errors"
"fmt"
"sort"
"strconv"
"strings"
)
const (
// StatusCodeMin is the lowest HTTP status code accepted for origin error pages.
StatusCodeMin = 400
// StatusCodeMax is the highest HTTP status code accepted for origin error pages.
StatusCodeMax = 599
)
// ParseStatusCodeTag parses a single tag such as "502" or "500-599".
// Bounds must fall within StatusCodeMin–StatusCodeMax inclusive.
func ParseStatusCodeTag(tag string) (lo, hi int, err error) {
tag = strings.TrimSpace(tag)
if tag == "" {
return 0, 0, errors.New("状态码标签不能为空")
}
if before, after, ok := strings.Cut(tag, "-"); ok {
lo, err = strconv.Atoi(before)
if err != nil {
return 0, 0, fmt.Errorf("无效状态码区间: %s", tag)
}
hi, err = strconv.Atoi(after)
if err != nil {
return 0, 0, fmt.Errorf("无效状态码区间: %s", tag)
}
} else {
lo, err = strconv.Atoi(tag)
if err != nil {
return 0, 0, fmt.Errorf("无效状态码: %s", tag)
}
hi = lo
}
if lo > hi {
return 0, 0, fmt.Errorf("状态码区间左右端点反序: %s", tag)
}
if lo < StatusCodeMin || hi > StatusCodeMax {
return 0, 0, fmt.Errorf("状态码须在 %d–%d: %s", StatusCodeMin, StatusCodeMax, tag)
}
return lo, hi, nil
}
// ExpandStatusCodeTags expands status code tags into a sorted unique list of integers.
func ExpandStatusCodeTags(tags []string) ([]int, error) {
set := map[int]struct{}{}
for _, tag := range tags {
lo, hi, err := ParseStatusCodeTag(tag)
if err != nil {
return nil, err
}
for c := lo; c <= hi; c++ {
set[c] = struct{}{}
}
}
out := make([]int, 0, len(set))
for c := range set {
out = append(out, c)
}
sort.Ints(out)
return out, nil
}