// 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 { URL string Width int Height int } func (i Iframe) TemplateName() string { return "iframe" } func parseIframe(ctx *Context, fileName string, lineno int, text string) (Elem, error) { args := strings.Fields(text) i := Iframe{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 }