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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package present
import (
"fmt"
"strings"
)
func init() {
Register("iframe", parseIframe)
}
type Iframe struct {
Cmd string // original command from present source
URL string
Width int
Height int
}
func (i Iframe) PresentCmd() string { return i.Cmd }
func (i Iframe) TemplateName() string { return "iframe" }
func parseIframe(ctx *Context, fileName string, lineno int, text string) (Elem, error) {
args := strings.Fields(text)
if len(args) < 2 {
return nil, fmt.Errorf("incorrect iframe invocation: %q", text)
}
i := Iframe{Cmd: text, URL: args[1]}
a, err := parseArgs(fileName, lineno, args[2:])
if err != nil {
return nil, err
}
switch len(a) {
case 0:
// no size parameters
case 2:
if v, ok := a[0].(int); ok {
i.Height = v
}
if v, ok := a[1].(int); ok {
i.Width = v
}
default:
return nil, fmt.Errorf("incorrect iframe invocation: %q", text)
}
return i, nil
}
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