ref: 9dab62c559d7665ef1968f0ceba58704a5a29dde
dir: /hugolib/hugo_sites.go/
// Copyright 2016-present 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 hugolib
import (
"errors"
"fmt"
"os"
"strings"
"sync"
"time"
"github.com/spf13/hugo/helpers"
"github.com/spf13/viper"
"github.com/fsnotify/fsnotify"
"github.com/spf13/hugo/source"
"github.com/spf13/hugo/tpl"
jww "github.com/spf13/jwalterweatherman"
)
// HugoSites represents the sites to build. Each site represents a language.
type HugoSites struct {
Sites []*Site
tmpl tpl.Template
runMode runmode
multilingual *Multilingual
// Maps internalID to a set of nodes.
nodeMap map[string]Nodes
nodeMapMu sync.RWMutex
}
// NewHugoSites creates a new collection of sites given the input sites, building
// a language configuration based on those.
func newHugoSites(sites ...*Site) (*HugoSites, error) {
langConfig, err := newMultiLingualFromSites(sites...)
if err != nil {
return nil, err
}
h := &HugoSites{multilingual: langConfig, Sites: sites, nodeMap: make(map[string]Nodes)}
for _, s := range sites {
s.owner = h
}
return h, nil
}
// NewHugoSitesFromConfiguration creates HugoSites from the global Viper config.
func NewHugoSitesFromConfiguration() (*HugoSites, error) {
sites, err := createSitesFromConfig()
if err != nil {
return nil, err
}
return newHugoSites(sites...)
}
func createSitesFromConfig() ([]*Site, error) {
var sites []*Site
multilingual := viper.GetStringMap("Languages")
if len(multilingual) == 0 {
sites = append(sites, newSite(helpers.NewDefaultLanguage()))
}
if len(multilingual) > 0 {
var err error
languages, err := toSortedLanguages(multilingual)
if err != nil {
return nil, fmt.Errorf("Failed to parse multilingual config: %s", err)
}
for _, lang := range languages {
sites = append(sites, newSite(lang))
}
}
return sites, nil
}
func (h *HugoSites) addNode(nodeID string, node *Node) {
h.nodeMapMu.Lock()
if nodes, ok := h.nodeMap[nodeID]; ok {
h.nodeMap[nodeID] = append(nodes, node)
} else {
h.nodeMap[nodeID] = Nodes{node}
}
h.nodeMapMu.Unlock()
}
func (h *HugoSites) getNodes(nodeID string) Nodes {
if nodeID != "" {
h.nodeMapMu.RLock()
nodes, ok := h.nodeMap[nodeID]
h.nodeMapMu.RUnlock()
if ok {
return nodes
}
}
// Paginator pages will not have related nodes.
return Nodes{}
}
// Reset resets the sites, making it ready for a full rebuild.
func (h *HugoSites) reset() {
h.nodeMap = make(map[string]Nodes)
for i, s := range h.Sites {
h.Sites[i] = s.reset()
}
}
func (h *HugoSites) reCreateFromConfig() error {
h.nodeMap = make(map[string]Nodes)
sites, err := createSitesFromConfig()
if err != nil {
return err
}
langConfig, err := newMultiLingualFromSites(sites...)
if err != nil {
return err
}
h.Sites = sites
for _, s := range sites {
s.owner = h
}
h.multilingual = langConfig
return nil
}
func (h *HugoSites) toSiteInfos() []*SiteInfo {
infos := make([]*SiteInfo, len(h.Sites))
for i, s := range h.Sites {
infos[i] = &s.Info
}
return infos
}
// BuildCfg holds build options used to, as an example, skip the render step.
type BuildCfg struct {
// Whether we are in watch (server) mode
Watching bool
// Print build stats at the end of a build
PrintStats bool
// Reset site state before build. Use to force full rebuilds.
ResetState bool
// Re-creates the sites from configuration before a build.
// This is needed if new languages are added.
CreateSitesFromConfig bool
// Skip rendering. Useful for testing.
SkipRender bool
// Use this to add templates to use for rendering.
// Useful for testing.
withTemplate func(templ tpl.Template) error
}
// Build builds all sites.
func (h *HugoSites) Build(config BuildCfg) error {
t0 := time.Now()
if config.ResetState {
h.reset()
}
if config.CreateSitesFromConfig {
if err := h.reCreateFromConfig(); err != nil {
return err
}
}
h.runMode.Watching = config.Watching
// We should probably refactor the Site and pull up most of the logic from there to here,
// but that seems like a daunting task.
// So for now, if there are more than one site (language),
// we pre-process the first one, then configure all the sites based on that.
firstSite := h.Sites[0]
if err := firstSite.preProcess(config); err != nil {
return err
}
h.setupTranslations(firstSite)
if len(h.Sites) > 1 {
// Initialize the rest
for _, site := range h.Sites[1:] {
site.initializeSiteInfo()
}
}
for _, s := range h.Sites {
if err := s.postProcess(); err != nil {
return err
}
}
if err := h.preRender(config, whatChanged{source: true, other: true}); err != nil {
return err
}
if !config.SkipRender {
for _, s := range h.Sites {
if err := s.render(); err != nil {
return err
}
if config.PrintStats {
s.Stats()
}
}
if err := h.render(); err != nil {
return err
}
}
if config.PrintStats {
jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
}
return nil
}
// Rebuild rebuilds all sites.
func (h *HugoSites) Rebuild(config BuildCfg, events ...fsnotify.Event) error {
t0 := time.Now()
if config.CreateSitesFromConfig {
return errors.New("Rebuild does not support 'CreateSitesFromConfig'. Use Build.")
}
if config.ResetState {
return errors.New("Rebuild does not support 'ResetState'. Use Build.")
}
if !config.Watching {
return errors.New("Rebuild called when not in watch mode")
}
h.runMode.Watching = config.Watching
firstSite := h.Sites[0]
h.nodeMap = make(map[string]Nodes)
for _, s := range h.Sites {
s.resetBuildState()
}
helpers.InitLoggers()
changed, err := firstSite.reBuild(events)
if err != nil {
return err
}
// Assign pages to sites per translation.
h.setupTranslations(firstSite)
if changed.source {
for _, s := range h.Sites {
if err := s.postProcess(); err != nil {
return err
}
}
}
if err := h.preRender(config, changed); err != nil {
return err
}
if !config.SkipRender {
for _, s := range h.Sites {
if err := s.render(); err != nil {
return err
}
if config.PrintStats {
s.Stats()
}
}
if err := h.render(); err != nil {
return err
}
}
if config.PrintStats {
jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
}
return nil
}
// Analyze prints a build report to Stdout.
// Useful for debugging.
func (h *HugoSites) Analyze() error {
if err := h.Build(BuildCfg{SkipRender: true}); err != nil {
return err
}
s := h.Sites[0]
return s.ShowPlan(os.Stdout)
}
// Render the cross-site artifacts.
func (h *HugoSites) render() error {
if !h.multilingual.enabled() {
return nil
}
// TODO(bep) DRY
sitemapDefault := parseSitemap(viper.GetStringMap("Sitemap"))
s := h.Sites[0]
smLayouts := []string{"sitemapindex.xml", "_default/sitemapindex.xml", "_internal/_default/sitemapindex.xml"}
if err := s.renderAndWriteXML("sitemapindex", sitemapDefault.Filename,
h.toSiteInfos(), s.appendThemeTemplates(smLayouts)...); err != nil {
return err
}
return nil
}
func (h *HugoSites) setupTranslations(master *Site) {
for _, p := range master.rawAllPages {
if p.Lang() == "" {
panic("Page language missing: " + p.Title)
}
shouldBuild := p.shouldBuild()
for i, site := range h.Sites {
if strings.HasPrefix(site.Language.Lang, p.Lang()) {
site.updateBuildStats(p)
if shouldBuild {
site.Pages = append(site.Pages, p)
p.Site = &site.Info
}
}
if !shouldBuild {
continue
}
if i == 0 {
site.AllPages = append(site.AllPages, p)
}
}
}
// Pull over the collections from the master site
for i := 1; i < len(h.Sites); i++ {
h.Sites[i].AllPages = h.Sites[0].AllPages
h.Sites[i].Data = h.Sites[0].Data
}
if len(h.Sites) > 1 {
pages := h.Sites[0].AllPages
allTranslations := pagesToTranslationsMap(h.multilingual, pages)
assignTranslationsToPages(allTranslations, pages)
}
}
// preRender performs build tasks that need to be done as late as possible.
// Shortcode handling is the main task in here.
// TODO(bep) We need to look at the whole handler-chain construct with he below in mind.
func (h *HugoSites) preRender(cfg BuildCfg, changed whatChanged) error {
for _, s := range h.Sites {
if err := s.setCurrentLanguageConfig(); err != nil {
return err
}
// Run "render prepare"
if err := s.renderHomePage(true); err != nil {
return err
}
if err := s.renderTaxonomiesLists(true); err != nil {
return err
}
if err := s.renderListsOfTaxonomyTerms(true); err != nil {
return err
}
if err := s.renderSectionLists(true); err != nil {
return err
}
}
for _, s := range h.Sites {
if err := s.setCurrentLanguageConfig(); err != nil {
return err
}
s.preparePagesForRender(cfg, changed)
}
return nil
}
func (s *Site) preparePagesForRender(cfg BuildCfg, changed whatChanged) {
pageChan := make(chan *Page)
wg := &sync.WaitGroup{}
for i := 0; i < getGoMaxProcs()*4; i++ {
wg.Add(1)
go func(pages <-chan *Page, wg *sync.WaitGroup) {
defer wg.Done()
for p := range pages {
if !changed.other && p.rendered {
// No need to process it again.
continue
}
// If we got this far it means that this is either a new Page pointer
// or a template or similar has changed so wee need to do a rerendering
// of the shortcodes etc.
// Mark it as rendered
p.rendered = true
// If in watch mode, we need to keep the original so we can
// repeat this process on rebuild.
if cfg.Watching {
p.rawContentCopy = make([]byte, len(p.rawContent))
copy(p.rawContentCopy, p.rawContent)
} else {
// Just reuse the same slice.
p.rawContentCopy = p.rawContent
}
if err := handleShortcodes(p, s.owner.tmpl); err != nil {
jww.ERROR.Printf("Failed to handle shortcodes for page %s: %s", p.BaseFileName(), err)
}
if p.Markup == "markdown" {
tmpContent, tmpTableOfContents := helpers.ExtractTOC(p.rawContentCopy)
p.TableOfContents = helpers.BytesToHTML(tmpTableOfContents)
p.rawContentCopy = tmpContent
}
if p.Markup != "html" {
// Now we know enough to create a summary of the page and count some words
summaryContent, err := p.setUserDefinedSummaryIfProvided()
if err != nil {
jww.ERROR.Printf("Failed to set use defined summary: %s", err)
} else if summaryContent != nil {
p.rawContentCopy = summaryContent.content
}
p.Content = helpers.BytesToHTML(p.rawContentCopy)
if summaryContent == nil {
p.setAutoSummary()
}
} else {
p.Content = helpers.BytesToHTML(p.rawContentCopy)
}
// no need for this anymore
p.rawContentCopy = nil
//analyze for raw stats
p.analyzePage()
}
}(pageChan, wg)
}
for _, p := range s.Pages {
pageChan <- p
}
close(pageChan)
wg.Wait()
}
// Pages returns all pages for all sites.
func (h *HugoSites) Pages() Pages {
return h.Sites[0].AllPages
}
func handleShortcodes(p *Page, t tpl.Template) error {
if len(p.contentShortCodes) > 0 {
jww.DEBUG.Printf("Replace %d shortcodes in %q", len(p.contentShortCodes), p.BaseFileName())
shortcodes, err := executeShortcodeFuncMap(p.contentShortCodes)
if err != nil {
return err
}
p.rawContentCopy, err = replaceShortcodeTokens(p.rawContentCopy, shortcodePlaceholderPrefix, shortcodes)
if err != nil {
jww.FATAL.Printf("Failed to replace short code tokens in %s:\n%s", p.BaseFileName(), err.Error())
}
}
return nil
}
func (s *Site) updateBuildStats(page *Page) {
if page.IsDraft() {
s.draftCount++
}
if page.IsFuture() {
s.futureCount++
}
if page.IsExpired() {
s.expiredCount++
}
}
// Convenience func used in tests to build a single site/language excluding render phase.
func buildSiteSkipRender(s *Site, additionalTemplates ...string) error {
return doBuildSite(s, false, additionalTemplates...)
}
// Convenience func used in tests to build a single site/language including render phase.
func buildAndRenderSite(s *Site, additionalTemplates ...string) error {
return doBuildSite(s, true, additionalTemplates...)
}
// Convenience func used in tests to build a single site/language.
func doBuildSite(s *Site, render bool, additionalTemplates ...string) error {
sites, err := newHugoSites(s)
if err != nil {
return err
}
addTemplates := func(templ tpl.Template) error {
for i := 0; i < len(additionalTemplates); i += 2 {
err := templ.AddTemplate(additionalTemplates[i], additionalTemplates[i+1])
if err != nil {
return err
}
}
return nil
}
config := BuildCfg{SkipRender: !render, withTemplate: addTemplates}
return sites.Build(config)
}
// Convenience func used in tests.
func newHugoSitesFromSourceAndLanguages(input []source.ByteSource, languages helpers.Languages) (*HugoSites, error) {
if len(languages) == 0 {
panic("Must provide at least one language")
}
first := &Site{
Source: &source.InMemorySource{ByteSource: input},
Language: languages[0],
}
if len(languages) == 1 {
return newHugoSites(first)
}
sites := make([]*Site, len(languages))
sites[0] = first
for i := 1; i < len(languages); i++ {
sites[i] = &Site{Language: languages[i]}
}
return newHugoSites(sites...)
}
// Convenience func used in tests.
func newHugoSitesFromLanguages(languages helpers.Languages) (*HugoSites, error) {
return newHugoSitesFromSourceAndLanguages(nil, languages)
}
func newHugoSitesDefaultLanguage() (*HugoSites, error) {
return newHugoSitesFromSourceAndLanguages(nil, helpers.Languages{helpers.NewDefaultLanguage()})
}