forge · commit

Auto-link URLs

3e9191c9ed9b130a1136009f3d7515e6b2066758

Alexis Sellier committed 1 month ago 1 parent 3192dd09

template.go +25 -0

package main

import (
	"embed"
	"fmt"
	"html"
	"html/template"
	"io"
	"path"
	"regexp"
	"strings"
	"time"
)

//go:embed templates/*.html

		if depth == 0 {
			return ""
		}
		return fmt.Sprintf("padding-left: %grem", float64(depth)*1.2)
	},
	"autolink": func(s string) template.HTML {
		var b strings.Builder
		last := 0
		for _, loc := range urlRe.FindAllStringIndex(s, -1) {
			// Strip trailing punctuation.
			end := loc[1]
			for end > loc[0] && strings.ContainsRune(".,;:!?)]", rune(s[end-1])) {
				end--
			}
			b.WriteString(html.EscapeString(s[last:loc[0]]))
			u := s[loc[0]:end]
			b.WriteString(`<a href="`)
			b.WriteString(html.EscapeString(u))
			b.WriteString(`">`)
			b.WriteString(html.EscapeString(u))
			b.WriteString(`</a>`)
			last = end
		}
		b.WriteString(html.EscapeString(s[last:]))
		return template.HTML(b.String())
	},
}

var urlRe = regexp.MustCompile(`https?://[^\s<>"'` + "`" + `\x00-\x1f]+`)

func loadTemplates() (*templateSet, error) {
	layoutContent, err := templateFS.ReadFile("templates/layout.html")
	if err != nil {
		return nil, fmt.Errorf("read layout: %w", err)
	}

templates/home.html +2 -2

      <table class="blob-code">
      <tbody>
      {{range $i, $line := .Data.ActiveBlob.Lines}}
      <tr id="L{{add $i 1}}">
        <td class="line-num"><a href="#L{{add $i 1}}">{{add $i 1}}</a></td>
        <td class="line-code"><pre{{with langClass $.Data.ActiveBlob.Name}} class="{{.}}"{{end}}>{{$line}}</pre></td>
        <td class="line-code"><pre{{with langClass $.Data.ActiveBlob.Name}} class="{{.}}"{{end}}>{{autolink $line}}</pre></td>
      </tr>
      {{end}}
      </tbody>
      </table>
      </div>

    {{else if .Data.Readme}}
    <div class="file-view">
      <div class="file-header">
        <span class="file-name">{{.Data.Readme.Name}}</span>
      </div>
      <pre>{{.Data.Readme.Content}}</pre>
      <pre>{{autolink .Data.Readme.Content}}</pre>
    </div>
    {{end}}
  </div>
</div>


170	172		if depth == 0 {
171	173		return ""
172	174		}
173	175		return fmt.Sprintf("padding-left: %grem", float64(depth)*1.2)
174	176		},
	177	+	"autolink": func(s string) template.HTML {
	178	+	var b strings.Builder
	179	+	last := 0
	180	+	for _, loc := range urlRe.FindAllStringIndex(s, -1) {
	181	+	// Strip trailing punctuation.
	182	+	end := loc[1]
	183	+	for end > loc[0] && strings.ContainsRune(".,;:!?)]", rune(s[end-1])) {
	184	+	end--
	185	+	}
	186	+	b.WriteString(html.EscapeString(s[last:loc[0]]))
	187	+	u := s[loc[0]:end]
	188	+	b.WriteString(`<a href="`)
	189	+	b.WriteString(html.EscapeString(u))
	190	+	b.WriteString(`">`)
	191	+	b.WriteString(html.EscapeString(u))
	192	+	b.WriteString(`</a>`)
	193	+	last = end
	194	+	}
	195	+	b.WriteString(html.EscapeString(s[last:]))
	196	+	return template.HTML(b.String())
	197	+	},
175	198		}
176	199
	200	+	var urlRe = regexp.MustCompile(`https?://[^\s<>"'` + "`" + `\x00-\x1f]+`)
	201	+
177	202		func loadTemplates() (*templateSet, error) {
178	203		layoutContent, err := templateFS.ReadFile("templates/layout.html")
179	204		if err != nil {
180	205		return nil, fmt.Errorf("read layout: %w", err)
181	206		}

47	47		<table class="blob-code">
48	48		<tbody>
49	49		{{range $i, $line := .Data.ActiveBlob.Lines}}
50	50		<tr id="L{{add $i 1}}">
51	51		<td class="line-num"><a href="#L{{add $i 1}}">{{add $i 1}}</a></td>
52		-	<td class="line-code"><pre{{with langClass $.Data.ActiveBlob.Name}} class="{{.}}"{{end}}>{{$line}}</pre></td>
	52	+	<td class="line-code"><pre{{with langClass $.Data.ActiveBlob.Name}} class="{{.}}"{{end}}>{{autolink $line}}</pre></td>
53	53		</tr>
54	54		{{end}}
55	55		</tbody>
56	56		</table>
57	57		</div>

1	1		package main
2	2
3	3		import (
4	4		"embed"
5	5		"fmt"
	6	+	"html"
6	7		"html/template"
7	8		"io"
8	9		"path"
	10	+	"regexp"
9	11		"strings"
10	12		"time"
11	13		)
12	14
13	15		//go:embed templates/*.html

60	60		{{else if .Data.Readme}}
61	61		<div class="file-view">
62	62		<div class="file-header">
63	63		<span class="file-name">{{.Data.Readme.Name}}</span>
64	64		</div>
65		-	<pre>{{.Data.Readme.Content}}</pre>
	65	+	<pre>{{autolink .Data.Readme.Content}}</pre>
66	66		</div>
67	67		{{end}}
68	68		</div>
69	69		</div>
70	70