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package handler
import (
"bytes"
"encoding/json"
"log/slog"
"net/http"
"os"
"github.com/alecthomas/chroma/v2/formatters/html"
"github.com/alecthomas/chroma/v2/lexers"
"github.com/alecthomas/chroma/v2/styles"
"git.gabrielgio.me/cerrado/pkg/config"
"git.gabrielgio.me/cerrado/templates"
)
func ConfigFile(configPath string) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, _ *http.Request) {
f, err := os.Open(configPath)
if err != nil {
slog.Error("Error openning config file", "error", err, "path", configPath)
return
}
c, err := config.Parse(f)
if err != nil {
slog.Error("Error parsing config", "error", err, "path", configPath)
return
}
b, err := json.MarshalIndent(c, "", " ")
if err != nil {
slog.Error("Error parsing json", "error", err)
return
}
lexer := lexers.Get("json")
style := styles.Get("monokailight")
formatter := html.New(
html.WithLineNumbers(true),
)
iterator, err := lexer.Tokenise(nil, string(b))
if err != nil {
slog.Error("Error tokenise", "error", err)
return
}
var code bytes.Buffer
err = formatter.Format(&code, style, iterator)
if err != nil {
slog.Error("Error format", "error", err)
return
}
hello := &templates.HelloPage{
Body: code.Bytes(),
}
templates.WritePageTemplate(w, hello)
}
}
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