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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package i18n
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import (
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"errors"
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"fmt"
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"reflect"
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)
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// Format formats provided arguments for a given translated message
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func Format(format string, args ...any) (msg string, err error) {
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if len(args) == 0 {
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return format, nil
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}
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fmtArgs := make([]any, 0, len(args))
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for _, arg := range args {
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val := reflect.ValueOf(arg)
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if val.Kind() == reflect.Slice {
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// Previously, we would accept Tr(lang, key, a, [b, c], d, [e, f]) as Sprintf(msg, a, b, c, d, e, f)
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// but this is an unstable behavior.
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//
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// So we restrict the accepted arguments to either:
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//
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// 1. Tr(lang, key, [slice-items]) as Sprintf(msg, items...)
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// 2. Tr(lang, key, args...) as Sprintf(msg, args...)
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if len(args) == 1 {
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for i := 0; i < val.Len(); i++ {
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fmtArgs = append(fmtArgs, val.Index(i).Interface())
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}
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} else {
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err = errors.New("arguments to i18n should not contain uncertain slices")
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break
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}
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} else {
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fmtArgs = append(fmtArgs, arg)
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}
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}
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return fmt.Sprintf(format, fmtArgs...), err
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}
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