routes/template.go
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package routes
import (
"bytes"
"html/template"
"io"
"log"
"net/http"
"path/filepath"
"strings"
"icyphox.sh/legit/git"
)
func (d *deps) Write404(w http.ResponseWriter) {
tpath := filepath.Join(d.c.Dirs.Templates, "*")
t := template.Must(template.ParseGlob(tpath))
w.WriteHeader(404)
if err := t.ExecuteTemplate(w, "404", nil); err != nil {
log.Printf("404 template: %s", err)
}
}
func (d *deps) Write500(w http.ResponseWriter) {
tpath := filepath.Join(d.c.Dirs.Templates, "*")
t := template.Must(template.ParseGlob(tpath))
w.WriteHeader(500)
if err := t.ExecuteTemplate(w, "500", nil); err != nil {
log.Printf("500 template: %s", err)
}
}
func (d *deps) listFiles(files []git.NiceTree, data map[string]any, w http.ResponseWriter) {
tpath := filepath.Join(d.c.Dirs.Templates, "*")
t := template.Must(template.ParseGlob(tpath))
data["files"] = files
data["meta"] = d.c.Meta
if err := t.ExecuteTemplate(w, "tree", data); err != nil {
log.Println(err)
return
}
}
func countLines(r io.Reader) (int, error) {
buf := make([]byte, 32*1024)
count := 0
nl := []byte{'\n'}
for {
c, err := r.Read(buf)
count += bytes.Count(buf[:c], nl)
switch {
case err == io.EOF:
return count, nil
case err != nil:
return 0, err
}
}
}
func (d *deps) showFile(content string, data map[string]any, w http.ResponseWriter) {
tpath := filepath.Join(d.c.Dirs.Templates, "*")
t := template.Must(template.ParseGlob(tpath))
lc, err := countLines(strings.NewReader(content))
if err != nil {
// Non-fatal, we'll just skip showing line numbers in the template.
log.Printf("counting lines: %s", err)
}
lines := make([]int, lc)
if lc > 0 {
for i := range lines {
lines[i] = i + 1
}
}
data["linecount"] = lines
data["content"] = content
data["meta"] = d.c.Meta
if err := t.ExecuteTemplate(w, "file", data); err != nil {
log.Println(err)
return
}
}