Golang helpers.URLize函数代码示例

func (p *Page) permalink() (*url.URL, error) {
	baseURL := string(p.Site.BaseURL)
	dir := strings.TrimSpace(helpers.MakePath(filepath.ToSlash(strings.ToLower(p.Source.Dir()))))
	pSlug := strings.TrimSpace(helpers.URLize(p.Slug))
	pURL := strings.TrimSpace(helpers.URLize(p.URL))
	var permalink string
	var err error

	if len(pURL) > 0 {
		return helpers.MakePermalink(baseURL, pURL), nil
	}

	if override, ok := p.Site.Permalinks[p.Section()]; ok {
		permalink, err = override.Expand(p)

		if err != nil {
			return nil, err
		}
		// fmt.Printf("have a section override for %q in section %s → %s\n", p.Title, p.Section, permalink)
	} else {
		if len(pSlug) > 0 {
			permalink = helpers.URLPrep(viper.GetBool("UglyURLs"), path.Join(dir, p.Slug+"."+p.Extension()))
		} else {
			_, t := filepath.Split(p.Source.LogicalName())
			permalink = helpers.URLPrep(viper.GetBool("UglyURLs"), path.Join(dir, helpers.ReplaceExtension(strings.TrimSpace(t), p.Extension())))
		}
	}

	return helpers.MakePermalink(baseURL, permalink), nil
}

func (s *SiteInfo) createNodeMenuEntryURL(in string) string {

	if !strings.HasPrefix(in, "/") {
		return in
	}
	// make it match the nodes
	menuEntryURL := in
	menuEntryURL = helpers.SanitizeURLKeepTrailingSlash(helpers.URLize(menuEntryURL))
	if !s.canonifyURLs {
		menuEntryURL = helpers.AddContextRoot(string(s.BaseURL), menuEntryURL)
	}
	return menuEntryURL
}

// if the page has a slug, return the slug, else return the title
func pageToPermalinkSlugElseTitle(p *Page, a string) (string, error) {
	if p.Slug != "" {
		// Don't start or end with a -
		if strings.HasPrefix(p.Slug, "-") {
			p.Slug = p.Slug[1:len(p.Slug)]
		}

		if strings.HasSuffix(p.Slug, "-") {
			p.Slug = p.Slug[0 : len(p.Slug)-1]
		}
		return helpers.URLize(p.Slug), nil
	}
	return pageToPermalinkTitle(p, a)
}

func (s *Site) RenderHomePage() error {
	n := s.newHomeNode()
	layouts := s.appendThemeTemplates([]string{"index.html", "_default/list.html"})

	if err := s.renderAndWritePage("homepage", helpers.FilePathSeparator, n, layouts...); err != nil {
		return err
	}

	if n.paginator != nil {

		paginatePath := viper.GetString("paginatePath")

		// write alias for page 1
		s.WriteDestAlias(helpers.PaginateAliasPath("", 1), s.permalink("/"))

		pagers := n.paginator.Pagers()

		for i, pager := range pagers {
			if i == 0 {
				// already created
				continue
			}

			homePagerNode := s.newHomeNode()
			homePagerNode.paginator = pager
			if pager.TotalPages() > 0 {
				first, _ := pager.page(0)
				homePagerNode.Date = first.Date
				homePagerNode.Lastmod = first.Lastmod
			}
			pageNumber := i + 1
			htmlBase := fmt.Sprintf("/%s/%d", paginatePath, pageNumber)
			if err := s.renderAndWritePage(fmt.Sprintf("homepage"), filepath.FromSlash(htmlBase), homePagerNode, layouts...); err != nil {
				return err
			}
		}
	}

	if !viper.GetBool("DisableRSS") {
		// XML Feed
		n.URL = s.permalinkStr(viper.GetString("RSSUri"))
		n.Title = ""
		high := 50
		if len(s.Pages) < high {
			high = len(s.Pages)
		}
		n.Data["Pages"] = s.Pages[:high]
		if len(s.Pages) > 0 {
			n.Date = s.Pages[0].Date
			n.Lastmod = s.Pages[0].Lastmod
		}

		rssLayouts := []string{"rss.xml", "_default/rss.xml", "_internal/_default/rss.xml"}

		if err := s.renderAndWriteXML("homepage rss", viper.GetString("RSSUri"), n, s.appendThemeTemplates(rssLayouts)...); err != nil {
			return err
		}
	}

	// TODO(bep) reusing the Home Node smells trouble
	n.URL = helpers.URLize("404.html")
	n.IsHome = false
	n.Title = "404 Page not found"
	n.Permalink = s.permalink("404.html")
	n.scratch = newScratch()

	nfLayouts := []string{"404.html"}
	if nfErr := s.renderAndWritePage("404 page", "404.html", n, s.appendThemeTemplates(nfLayouts)...); nfErr != nil {
		return nfErr
	}

	return nil
}

// pageToPermalinkFilename returns the URL-safe form of the filename
func pageToPermalinkFilename(p *Page, _ string) (string, error) {
	//var extension = p.Source.Ext
	//var name = p.Source.Path()[0 : len(p.Source.Path())-len(extension)]
	return helpers.URLize(p.Source.BaseFileName()), nil
}

// pageToPermalinkTitle returns the URL-safe form of the title
func pageToPermalinkTitle(p *Page, _ string) (string, error) {
	// Page contains Node which has Title
	// (also contains URLPath which has Slug, sometimes)
	return helpers.URLize(p.Title), nil
}

func (p *Page) update(f interface{}) error {
	if f == nil {
		return fmt.Errorf("no metadata found")
	}
	m := f.(map[string]interface{})
	var err error
	for k, v := range m {
		loki := strings.ToLower(k)
		switch loki {
		case "title":
			p.Title = cast.ToString(v)
		case "linktitle":
			p.linkTitle = cast.ToString(v)
		case "description":
			p.Description = cast.ToString(v)
		case "slug":
			p.Slug = helpers.URLize(cast.ToString(v))
		case "url":
			if url := cast.ToString(v); strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://") {
				return fmt.Errorf("Only relative URLs are supported, %v provided", url)
			}
			p.URL = helpers.URLize(cast.ToString(v))
		case "type":
			p.contentType = cast.ToString(v)
		case "extension", "ext":
			p.extension = cast.ToString(v)
		case "keywords":
			p.Keywords = cast.ToStringSlice(v)
		case "date":
			p.Date, err = cast.ToTimeE(v)
			if err != nil {
				jww.ERROR.Printf("Failed to parse date '%v' in page %s", v, p.File.Path())
			}
		case "publishdate", "pubdate":
			p.PublishDate, err = cast.ToTimeE(v)
			if err != nil {
				jww.ERROR.Printf("Failed to parse publishdate '%v' in page %s", v, p.File.Path())
			}
		case "draft":
			p.Draft = cast.ToBool(v)
		case "layout":
			p.layout = cast.ToString(v)
		case "markup":
			p.Markup = cast.ToString(v)
		case "weight":
			p.Weight = cast.ToInt(v)
		case "aliases":
			p.Aliases = cast.ToStringSlice(v)
			for _, alias := range p.Aliases {
				if strings.HasPrefix(alias, "http://") || strings.HasPrefix(alias, "https://") {
					return fmt.Errorf("Only relative aliases are supported, %v provided", alias)
				}
			}
		case "status":
			p.Status = cast.ToString(v)
		case "sitemap":
			p.Sitemap = parseSitemap(cast.ToStringMap(v))
		default:
			// If not one of the explicit values, store in Params
			switch vv := v.(type) {
			case bool:
				p.Params[loki] = vv
			case string:
				p.Params[loki] = vv
			case int64, int32, int16, int8, int:
				p.Params[loki] = vv
			case float64, float32:
				p.Params[loki] = vv
			case time.Time:
				p.Params[loki] = vv
			default: // handle array of strings as well
				switch vvv := vv.(type) {
				case []interface{}:
					var a = make([]string, len(vvv))
					for i, u := range vvv {
						a[i] = cast.ToString(u)
					}
					p.Params[loki] = a
				default:
					p.Params[loki] = vv
				}
			}
		}
	}
	return nil

}

func (s *Site) RenderHomePage() error {
	n := s.newHomeNode()
	layouts := s.appendThemeTemplates([]string{"index.html", "_default/list.html", "_default/single.html"})

	if err := s.renderAndWritePage("homepage", helpers.FilePathSeparator, n, layouts...); err != nil {
		return err
	}

	if n.paginator != nil {

		paginatePath := viper.GetString("paginatePath")

		// write alias for page 1
		s.WriteDestAlias(filepath.FromSlash(fmt.Sprintf("/%s/%d", paginatePath, 1)), s.permalink("/"))

		pagers := n.paginator.Pagers()

		for i, pager := range pagers {
			if i == 0 {
				// already created
				continue
			}

			homePagerNode := s.newHomeNode()
			homePagerNode.paginator = pager
			if pager.TotalPages() > 0 {
				homePagerNode.Date = pager.Pages()[0].Date
			}
			pageNumber := i + 1
			htmlBase := fmt.Sprintf("/%s/%d", paginatePath, pageNumber)
			if err := s.renderAndWritePage(fmt.Sprintf("homepage_%d", pageNumber), filepath.FromSlash(htmlBase), homePagerNode, layouts...); err != nil {
				return err
			}
		}
	}

	if !viper.GetBool("DisableRSS") {
		// XML Feed
		n.Url = s.permalinkStr("index.xml")
		n.Title = ""
		high := 50
		if len(s.Pages) < high {
			high = len(s.Pages)
		}
		n.Data["Pages"] = s.Pages[:high]
		if len(s.Pages) > 0 {
			n.Date = s.Pages[0].Date
		}

		rssLayouts := []string{"rss.xml", "_default/rss.xml", "_internal/_default/rss.xml"}

		if err := s.renderAndWriteXML("homepage rss", "index.xml", n, s.appendThemeTemplates(rssLayouts)...); err != nil {
			return err
		}
	}

	n.Url = helpers.URLize("404.html")
	n.Title = "404 Page not found"
	n.Permalink = s.permalink("404.html")

	nfLayouts := []string{"404.html"}
	if nfErr := s.renderAndWritePage("404 page", "404.html", n, s.appendThemeTemplates(nfLayouts)...); nfErr != nil {
		return nfErr
	}

	return nil
}