Files
oddmu/html_cmd.go
Alex Schroeder 2188f99dea go fmt
2023-09-26 00:07:34 +02:00

57 lines
1.3 KiB
Go

package main
import (
"context"
"flag"
"fmt"
"github.com/google/subcommands"
"io"
"os"
)
type htmlCmd struct {
useTemplate bool
}
func (*htmlCmd) Name() string { return "html" }
func (*htmlCmd) Synopsis() string { return "Render a page as HTML." }
func (*htmlCmd) Usage() string {
return `html [-view] <page name>:
Render a page as HTML.
`
}
func (cmd *htmlCmd) SetFlags(f *flag.FlagSet) {
f.BoolVar(&cmd.useTemplate, "view", false, "Use the 'view.html' template.")
}
func (cmd *htmlCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
return htmlCli(os.Stdout, cmd.useTemplate, f.Args())
}
func htmlCli(w io.Writer, useTemplate bool, args []string) subcommands.ExitStatus {
for _, arg := range args {
p, err := loadPage(arg)
if err != nil {
fmt.Fprintf(w, "Cannot load %s: %s\n", arg, err)
return subcommands.ExitFailure
}
initAccounts()
if useTemplate {
p.handleTitle(true)
p.renderHtml()
t := "view.html"
err := templates.ExecuteTemplate(w, t, p)
if err != nil {
fmt.Fprintf(w, "Cannot execute %s template for %s: %s\n", t, arg, err)
return subcommands.ExitFailure
}
} else {
// do not handle title
p.renderHtml()
fmt.Fprintln(w, p.Html)
}
}
return subcommands.ExitSuccess
}