2019-02-20 01:10:18 +02:00
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package common
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import (
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"context"
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"github.com/MontFerret/ferret/pkg/drivers"
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"github.com/MontFerret/ferret/pkg/runtime/core"
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"github.com/MontFerret/ferret/pkg/runtime/values"
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"github.com/MontFerret/ferret/pkg/runtime/values/types"
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)
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func GetInDocument(ctx context.Context, doc drivers.HTMLDocument, path []core.Value) (core.Value, error) {
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2019-05-03 23:10:34 +02:00
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if len(path) == 0 {
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2019-02-20 01:10:18 +02:00
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return values.None, nil
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}
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segment := path[0]
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if segment.Type() == types.String {
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segment := segment.(values.String)
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switch segment {
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case "url", "URL":
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return doc.GetURL(), nil
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2019-03-16 01:59:05 +02:00
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case "cookies":
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if len(path) == 1 {
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return doc.GetCookies(ctx)
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}
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switch idx := path[1].(type) {
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case values.Int:
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cookies, err := doc.GetCookies(ctx)
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if err != nil {
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return values.None, err
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}
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return cookies.Get(idx), nil
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default:
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return values.None, core.TypeError(idx.Type(), types.Int)
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}
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2019-02-20 01:10:18 +02:00
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case "body":
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2019-02-21 04:24:05 +02:00
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return doc.QuerySelector(ctx, "body"), nil
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2019-02-20 01:10:18 +02:00
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case "head":
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2019-02-21 04:24:05 +02:00
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return doc.QuerySelector(ctx, "head"), nil
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2019-02-20 01:10:18 +02:00
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default:
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return GetInNode(ctx, doc.DocumentElement(), path)
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}
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}
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return GetInNode(ctx, doc.DocumentElement(), path)
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}
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func GetInElement(ctx context.Context, el drivers.HTMLElement, path []core.Value) (core.Value, error) {
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2019-05-03 23:10:34 +02:00
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if len(path) == 0 {
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2019-02-20 01:10:18 +02:00
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return values.None, nil
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}
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segment := path[0]
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if segment.Type() == types.String {
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segment := segment.(values.String)
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switch segment {
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case "innerText":
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2019-02-21 04:24:05 +02:00
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return el.InnerText(ctx), nil
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2019-02-20 01:10:18 +02:00
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case "innerHTML":
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2019-02-21 04:24:05 +02:00
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return el.InnerHTML(ctx), nil
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2019-02-20 01:10:18 +02:00
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case "value":
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2019-02-21 04:24:05 +02:00
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return el.GetValue(ctx), nil
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2019-02-20 01:10:18 +02:00
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case "attributes":
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2019-02-26 04:46:39 +02:00
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attrs := el.GetAttributes(ctx)
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if len(path) == 1 {
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return attrs, nil
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}
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return values.GetIn(ctx, attrs, path[1:])
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2019-03-13 20:51:30 +02:00
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case "style":
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styles, err := el.GetStyles(ctx)
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if err != nil {
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return values.None, err
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}
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if len(path) == 1 {
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return styles, nil
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}
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return values.GetIn(ctx, styles, path[1:])
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2019-02-20 01:10:18 +02:00
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default:
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return GetInNode(ctx, el, path)
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}
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}
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return GetInNode(ctx, el, path)
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}
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func GetInNode(ctx context.Context, node drivers.HTMLNode, path []core.Value) (core.Value, error) {
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2019-05-03 23:10:34 +02:00
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if len(path) == 0 {
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2019-02-20 01:10:18 +02:00
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return values.None, nil
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}
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nt := node.Type()
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segment := path[0]
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st := segment.Type()
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2019-02-26 04:46:39 +02:00
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switch st {
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case types.Int:
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2019-02-20 01:10:18 +02:00
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if nt == drivers.HTMLElementType || nt == drivers.HTMLDocumentType {
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re := node.(drivers.HTMLNode)
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2019-02-21 04:24:05 +02:00
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return re.GetChildNode(ctx, segment.(values.Int)), nil
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2019-02-20 01:10:18 +02:00
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}
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2019-02-26 04:46:39 +02:00
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return values.GetIn(ctx, node, path[1:])
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case types.String:
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2019-02-20 01:10:18 +02:00
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segment := segment.(values.String)
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switch segment {
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case "nodeType":
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return node.NodeType(), nil
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case "nodeName":
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return node.NodeName(), nil
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case "children":
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2019-02-26 04:46:39 +02:00
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children := node.GetChildNodes(ctx)
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if len(path) == 1 {
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return children, nil
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}
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return values.GetIn(ctx, children, path[1:])
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2019-02-20 01:10:18 +02:00
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case "length":
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return node.Length(), nil
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default:
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return values.None, nil
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}
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2019-02-26 04:46:39 +02:00
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default:
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return values.None, core.TypeError(st, types.Int, types.String)
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2019-02-20 01:10:18 +02:00
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}
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}
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