mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-29 04:02:07 -05:00
f88fe312cb
To make sure it uses the base templates in _default as a last resort. Fixes #3856
227 lines
6.6 KiB
Go
227 lines
6.6 KiB
Go
// Copyright 2017-present 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 output
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/gohugoio/hugo/helpers"
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)
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const (
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baseFileBase = "baseof"
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)
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var (
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aceTemplateInnerMarkers = [][]byte{[]byte("= content")}
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goTemplateInnerMarkers = [][]byte{[]byte("{{define"), []byte("{{ define"), []byte("{{- define"), []byte("{{-define")}
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)
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type TemplateNames struct {
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// The name used as key in the template map. Note that this will be
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// prefixed with "_text/" if it should be parsed with text/template.
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Name string
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OverlayFilename string
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MasterFilename string
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}
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type TemplateLookupDescriptor struct {
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// TemplateDir is the project or theme root of the current template.
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// This will be the same as WorkingDir for non-theme templates.
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TemplateDir string
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// The full path to the site root.
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WorkingDir string
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// Main project layout dir, defaults to "layouts"
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LayoutDir string
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// The path to the template relative the the base.
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// I.e. shortcodes/youtube.html
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RelPath string
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// The template name prefix to look for, i.e. "theme".
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Prefix string
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// The theme dir if theme active.
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ThemeDir string
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// All the output formats in play. This is used to decide if text/template or
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// html/template.
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OutputFormats Formats
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FileExists func(filename string) (bool, error)
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ContainsAny func(filename string, subslices [][]byte) (bool, error)
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}
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func CreateTemplateNames(d TemplateLookupDescriptor) (TemplateNames, error) {
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name := filepath.ToSlash(d.RelPath)
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if d.Prefix != "" {
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name = strings.Trim(d.Prefix, "/") + "/" + name
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}
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var (
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id TemplateNames
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// This is the path to the actual template in process. This may
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// be in the theme's or the project's /layouts.
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baseLayoutDir = filepath.Join(d.TemplateDir, d.LayoutDir)
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fullPath = filepath.Join(baseLayoutDir, d.RelPath)
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// This is always the project's layout dir.
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baseWorkLayoutDir = filepath.Join(d.WorkingDir, d.LayoutDir)
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baseThemeLayoutDir string
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)
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if d.ThemeDir != "" {
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baseThemeLayoutDir = filepath.Join(d.ThemeDir, "layouts")
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}
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// The filename will have a suffix with an optional type indicator.
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// Examples:
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// index.html
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// index.amp.html
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// index.json
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filename := filepath.Base(d.RelPath)
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isPlainText := false
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outputFormat, found := d.OutputFormats.FromFilename(filename)
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if found && outputFormat.IsPlainText {
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isPlainText = true
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}
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var ext, outFormat string
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parts := strings.Split(filename, ".")
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if len(parts) > 2 {
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outFormat = parts[1]
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ext = parts[2]
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} else if len(parts) > 1 {
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ext = parts[1]
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}
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filenameNoSuffix := parts[0]
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id.OverlayFilename = fullPath
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id.Name = name
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if isPlainText {
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id.Name = "_text/" + id.Name
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}
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// Ace and Go templates may have both a base and inner template.
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pathDir := filepath.Dir(fullPath)
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if ext == "amber" || strings.HasSuffix(pathDir, "partials") || strings.HasSuffix(pathDir, "shortcodes") {
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// No base template support
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return id, nil
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}
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innerMarkers := goTemplateInnerMarkers
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var baseFilename string
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if outFormat != "" {
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baseFilename = fmt.Sprintf("%s.%s.%s", baseFileBase, outFormat, ext)
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} else {
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baseFilename = fmt.Sprintf("%s.%s", baseFileBase, ext)
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}
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if ext == "ace" {
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innerMarkers = aceTemplateInnerMarkers
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}
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// This may be a view that shouldn't have base template
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// Have to look inside it to make sure
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needsBase, err := d.ContainsAny(fullPath, innerMarkers)
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if err != nil {
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return id, err
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}
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if needsBase {
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currBaseFilename := fmt.Sprintf("%s-%s", filenameNoSuffix, baseFilename)
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templateDir := filepath.Dir(fullPath)
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// Find the base, e.g. "_default".
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baseTemplatedDir := strings.TrimPrefix(templateDir, baseLayoutDir)
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baseTemplatedDir = strings.TrimPrefix(baseTemplatedDir, helpers.FilePathSeparator)
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// Look for base template in the follwing order:
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// 1. <current-path>/<template-name>-baseof.<outputFormat>(optional).<suffix>, e.g. list-baseof.<outputFormat>(optional).<suffix>.
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// 2. <current-path>/baseof.<outputFormat>(optional).<suffix>
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// 3. _default/<template-name>-baseof.<outputFormat>(optional).<suffix>, e.g. list-baseof.<outputFormat>(optional).<suffix>.
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// 4. _default/baseof.<outputFormat>(optional).<suffix>
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// For each of the steps above, it will first look in the project, then, if theme is set,
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// in the theme's layouts folder.
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// Also note that the <current-path> may be both the project's layout folder and the theme's.
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pairsToCheck := createPairsToCheck(baseTemplatedDir, baseFilename, currBaseFilename)
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if strings.Contains(currBaseFilename, ".terms.") {
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// We need to get from baseof.terms.html to baseof.html etc.
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// See #3856
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currBaseFilename = strings.Replace(currBaseFilename, ".terms", "", 1)
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baseFilename = strings.Replace(baseFilename, ".terms", "", 1)
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pairsToCheck = append(pairsToCheck, createPairsToCheck(baseTemplatedDir, baseFilename, currBaseFilename)...)
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}
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Loop:
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for _, pair := range pairsToCheck {
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pathsToCheck := basePathsToCheck(pair, baseLayoutDir, baseWorkLayoutDir, baseThemeLayoutDir)
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for _, pathToCheck := range pathsToCheck {
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if ok, err := d.FileExists(pathToCheck); err == nil && ok {
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id.MasterFilename = pathToCheck
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break Loop
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}
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}
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}
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}
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return id, nil
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}
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func createPairsToCheck(baseTemplatedDir, baseFilename, currBaseFilename string) [][]string {
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return [][]string{
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{baseTemplatedDir, currBaseFilename},
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{baseTemplatedDir, baseFilename},
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{"_default", currBaseFilename},
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{"_default", baseFilename},
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}
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}
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func basePathsToCheck(path []string, layoutDir, workLayoutDir, themeLayoutDir string) []string {
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// workLayoutDir will always be the most specific, so start there.
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pathsToCheck := []string{filepath.Join((append([]string{workLayoutDir}, path...))...)}
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if layoutDir != "" && layoutDir != workLayoutDir {
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pathsToCheck = append(pathsToCheck, filepath.Join((append([]string{layoutDir}, path...))...))
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}
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// May have a theme
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if themeLayoutDir != "" && themeLayoutDir != layoutDir {
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pathsToCheck = append(pathsToCheck, filepath.Join((append([]string{themeLayoutDir}, path...))...))
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}
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return pathsToCheck
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}
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