web frontend for git (tangled's grandpa)
template: line numbers for file view
+41
-1
+34
-1
routes/template.go
+34
-1
routes/template.go
···
1
1
package routes
2
2
3
3
import (
4
+
"bytes"
4
5
"html/template"
6
+
"io"
5
7
"log"
6
8
"net/http"
7
9
"path/filepath"
10
+
"strings"
8
11
9
12
"icyphox.sh/legit/git"
10
13
)
···
40
43
}
41
44
}
42
45
46
+
func countLines(r io.Reader) (int, error) {
47
+
buf := make([]byte, 32*1024)
48
+
count := 0
49
+
nl := []byte{'\n'}
50
+
51
+
for {
52
+
c, err := r.Read(buf)
53
+
count += bytes.Count(buf[:c], nl)
54
+
55
+
switch {
56
+
case err == io.EOF:
57
+
return count, nil
58
+
case err != nil:
59
+
return 0, err
60
+
}
61
+
}
62
+
}
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+
43
64
func (d *deps) showFile(content string, data map[string]any, w http.ResponseWriter) {
44
65
tpath := filepath.Join(d.c.Template.Dir, "*")
45
66
t := template.Must(template.ParseGlob(tpath))
46
67
47
-
// TODO: Process content here.
68
+
lc, err := countLines(strings.NewReader(content))
69
+
if err != nil {
70
+
// Non-fatal, we'll just skip showing line numbers in the template.
71
+
log.Printf("counting lines: %s", err)
72
+
}
73
+
74
+
lines := make([]int, lc)
75
+
if lc > 0 {
76
+
for i := range lines {
77
+
lines[i] = i + 1
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+
}
79
+
}
48
80
81
+
data["linecount"] = lines
49
82
data["content"] = content
50
83
data["meta"] = d.c.Meta
51
84
+5
templates/file.html
+5
templates/file.html