cloudfoundry-community/bosh-cloudstack-cpi

// 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 image invocation: %q", text)
    }
    return i, nil
}