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241b21b0fd
Primary motivation is documentation, but it will also hopefully simplify the code. Also, * Lower case the default output format names; this is in line with the custom ones (map keys) and how it's treated all the places. This avoids doing `stringds.EqualFold` everywhere. Closes #10896 Closes #10620
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package page
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import (
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"fmt"
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)
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var _ pagesLanguageMerger = (*Pages)(nil)
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type pagesLanguageMerger interface {
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MergeByLanguage(other Pages) Pages
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// Needed for integration with the tpl package.
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MergeByLanguageInterface(other any) (any, error)
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}
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// MergeByLanguage supplies missing translations in p1 with values from p2.
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// The result is sorted by the default sort order for pages.
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func (p1 Pages) MergeByLanguage(p2 Pages) Pages {
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merge := func(pages *Pages) {
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m := make(map[string]bool)
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for _, p := range *pages {
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m[p.TranslationKey()] = true
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}
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for _, p := range p2 {
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if _, found := m[p.TranslationKey()]; !found {
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*pages = append(*pages, p)
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}
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}
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SortByDefault(*pages)
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}
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out, _ := spc.getP("pages.MergeByLanguage", merge, p1, p2)
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return out
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}
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// MergeByLanguageInterface is the generic version of MergeByLanguage. It
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// is here just so it can be called from the tpl package.
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// This is for internal use.
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func (p1 Pages) MergeByLanguageInterface(in any) (any, error) {
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if in == nil {
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return p1, nil
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}
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p2, ok := in.(Pages)
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if !ok {
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return nil, fmt.Errorf("%T cannot be merged by language", in)
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}
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return p1.MergeByLanguage(p2), nil
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}
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