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https://github.com/gohugoio/hugo.git
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41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
// Copyright 2015 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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// Prev returns the previous page reletive to the given page.
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func (p Pages) Prev(cur *Page) *Page {
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for x, c := range p {
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if c.UniqueID() == cur.UniqueID() {
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if x == 0 {
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return p[len(p)-1]
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}
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return p[x-1]
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}
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}
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return nil
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}
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// Next returns the next page reletive to the given page.
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func (p Pages) Next(cur *Page) *Page {
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for x, c := range p {
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if c.UniqueID() == cur.UniqueID() {
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if x < len(p)-1 {
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return p[x+1]
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}
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return p[0]
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}
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}
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return nil
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}
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