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47 lines
1.6 KiB
Go
47 lines
1.6 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 hugolib
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import (
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"github.com/gohugoio/hugo/common/collections"
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"github.com/gohugoio/hugo/resources/page"
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)
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var (
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_ collections.Grouper = (*pageState)(nil)
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_ collections.Slicer = (*pageState)(nil)
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)
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// collections.Slicer implementations below. We keep these bridge implementations
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// here as it makes it easier to get an idea of "type coverage". These
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// implementations have no value on their own.
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// Slice is not meant to be used externally. It's a bridge function
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func (p *pageState) Slice(items interface{}) (interface{}, error) {
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return page.ToPages(items)
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}
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// collections.Grouper implementations below
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// Group creates a PageGroup from a key and a Pages object
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// This method is not meant for external use. It got its non-typed arguments to satisfy
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// a very generic interface in the tpl package.
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func (p *pageState) Group(key interface{}, in interface{}) (interface{}, error) {
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pages, err := page.ToPages(in)
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if err != nil {
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return nil, err
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}
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return page.PageGroup{Key: key, Pages: pages}, nil
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}
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