forked from ampproject/amppackager
/
context.go
56 lines (46 loc) · 1.68 KB
/
context.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package transformers
import (
"net/url"
"github.com/ampproject/amppackager/transformer/internal/amphtml"
rpb "github.com/ampproject/amppackager/transformer/request"
)
// PreloadData stores the links of type script, image and style that are
// added as Link http headers in SXG package.
type PreloadData struct {
URL *url.URL
As string
Media string
}
// Context stores the root DOM Node and contextual data used for the
// transformers.
type Context struct {
// The DOM of the parsed HTML input.
DOM *amphtml.DOM
// The public URL of the document, i.e. the location that should appear in the browser URL bar.
// This is the URL-typed equivalent of Request.DocumentUrl.
DocumentURL *url.URL
// The base URL of the document, derived from the <base> tag, if any. If the base href is
// relative, then it is parsed in the context of DocumentURL.
BaseURL *url.URL
// The version to use when transforming the DOM.
Version int64
// The request parameters.
Request *rpb.Request
// Preload data. This data gets appended in:
// - <link rel="preload"> head tag.
// - Link: HTTP Header.
Preloads []PreloadData
}