//
// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

package templates

import (
	"fmt"
	"html/template"
	"io"
)

// fmt.Sprintf, but strings (%s) will be html escaped.
func Sprintf(s string, args ...interface{}) template.HTML {
	for i, a := range args {
		switch s := a.(type) {
		case string:
			args[i] = template.HTMLEscapeString(s)
		}
	}
	return template.HTML(fmt.Sprintf(s, args...))
}

// fmt.Fprintf, but strings (%s) will be html escaped.
func Fprintf(w io.Writer, s string, args ...interface{}) (int, error) {
	for i, a := range args {
		switch s := a.(type) {
		case string:
			args[i] = template.HTMLEscapeString(s)
		}
	}
	return fmt.Fprintf(w, s, args...)
}
