diff options
Diffstat (limited to 'hugolib/pagesPrevNext.go')
-rw-r--r-- | hugolib/pagesPrevNext.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/hugolib/pagesPrevNext.go b/hugolib/pagesPrevNext.go new file mode 100644 index 000000000..5a7bc3809 --- /dev/null +++ b/hugolib/pagesPrevNext.go @@ -0,0 +1,38 @@ +// Copyright © 2014 Steve Francia <spf@spf13.com>. +// +// Licensed under the Simple Public License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://opensource.org/licenses/Simple-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package hugolib + +func (p Pages) Prev(cur *Page) *Page { + for x, c := range p { + if c.UniqueId() == cur.UniqueId() { + if x == 0 { + return p[len(p)-1] + } + return p[x-1] + } + } + return nil +} + +func (p Pages) Next(cur *Page) *Page { + for x, c := range p { + if c.UniqueId() == cur.UniqueId() { + if x < len(p)-1 { + return p[x+1] + } + return p[0] + } + } + return nil +} |