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Diffstat (limited to 'resources/page/page_outputformat.go')
-rw-r--r-- | resources/page/page_outputformat.go | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/resources/page/page_outputformat.go b/resources/page/page_outputformat.go new file mode 100644 index 000000000..ff4213cc4 --- /dev/null +++ b/resources/page/page_outputformat.go @@ -0,0 +1,85 @@ +// Copyright 2019 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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 page contains the core interfaces and types for the Page resource, +// a core component in Hugo. +package page + +import ( + "strings" + + "github.com/gohugoio/hugo/media" + "github.com/gohugoio/hugo/output" +) + +// OutputFormats holds a list of the relevant output formats for a given page. +type OutputFormats []OutputFormat + +// OutputFormat links to a representation of a resource. +type OutputFormat struct { + // Rel constains a value that can be used to construct a rel link. + // This is value is fetched from the output format definition. + // Note that for pages with only one output format, + // this method will always return "canonical". + // As an example, the AMP output format will, by default, return "amphtml". + // + // See: + // https://www.ampproject.org/docs/guides/deploy/discovery + // + // Most other output formats will have "alternate" as value for this. + Rel string + + Format output.Format + + relPermalink string + permalink string +} + +// Name returns this OutputFormat's name, i.e. HTML, AMP, JSON etc. +func (o OutputFormat) Name() string { + return o.Format.Name +} + +// MediaType returns this OutputFormat's MediaType (MIME type). +func (o OutputFormat) MediaType() media.Type { + return o.Format.MediaType +} + +// Permalink returns the absolute permalink to this output format. +func (o OutputFormat) Permalink() string { + return o.permalink +} + +// RelPermalink returns the relative permalink to this output format. +func (o OutputFormat) RelPermalink() string { + return o.relPermalink +} + +func NewOutputFormat(relPermalink, permalink string, isCanonical bool, f output.Format) OutputFormat { + rel := f.Rel + if isCanonical { + rel = "canonical" + } + return OutputFormat{Rel: rel, Format: f, relPermalink: relPermalink, permalink: permalink} +} + +// Get gets a OutputFormat given its name, i.e. json, html etc. +// It returns nil if none found. +func (o OutputFormats) Get(name string) *OutputFormat { + for _, f := range o { + if strings.EqualFold(f.Format.Name, name) { + return &f + } + } + return nil +} |