Add cdp support for xpath scrapers (#625)

Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

vendor/github.com/chromedp/cdproto/audits/audits.go

@@ -0,0 +1,126 @@
+// Package audits provides the Chrome DevTools Protocol
+// commands, types, and events for the Audits domain.
+//
+// Audits domain allows investigation of page violations and possible
+// improvements.
+//
+// Generated by the cdproto-gen command.
+package audits
+
+// Code generated by cdproto-gen. DO NOT EDIT.
+
+import (
+	"context"
+	"encoding/base64"
+
+	"github.com/chromedp/cdproto/cdp"
+	"github.com/chromedp/cdproto/network"
+)
+
+// GetEncodedResponseParams returns the response body and size if it were
+// re-encoded with the specified settings. Only applies to images.
+type GetEncodedResponseParams struct {
+	RequestID network.RequestID          `json:"requestId"`          // Identifier of the network request to get content for.
+	Encoding  GetEncodedResponseEncoding `json:"encoding"`           // The encoding to use.
+	Quality   float64                    `json:"quality,omitempty"`  // The quality of the encoding (0-1). (defaults to 1)
+	SizeOnly  bool                       `json:"sizeOnly,omitempty"` // Whether to only return the size information (defaults to false).
+}
+
+// GetEncodedResponse returns the response body and size if it were
+// re-encoded with the specified settings. Only applies to images.
+//
+// See: https://chromedevtools.github.io/devtools-protocol/tot/Audits#method-getEncodedResponse
+//
+// parameters:
+//   requestID - Identifier of the network request to get content for.
+//   encoding - The encoding to use.
+func GetEncodedResponse(requestID network.RequestID, encoding GetEncodedResponseEncoding) *GetEncodedResponseParams {
+	return &GetEncodedResponseParams{
+		RequestID: requestID,
+		Encoding:  encoding,
+	}
+}
+
+// WithQuality the quality of the encoding (0-1). (defaults to 1).
+func (p GetEncodedResponseParams) WithQuality(quality float64) *GetEncodedResponseParams {
+	p.Quality = quality
+	return &p
+}
+
+// WithSizeOnly whether to only return the size information (defaults to
+// false).
+func (p GetEncodedResponseParams) WithSizeOnly(sizeOnly bool) *GetEncodedResponseParams {
+	p.SizeOnly = sizeOnly
+	return &p
+}
+
+// GetEncodedResponseReturns return values.
+type GetEncodedResponseReturns struct {
+	Body         string `json:"body,omitempty"`         // The encoded body as a base64 string. Omitted if sizeOnly is true.
+	OriginalSize int64  `json:"originalSize,omitempty"` // Size before re-encoding.
+	EncodedSize  int64  `json:"encodedSize,omitempty"`  // Size after re-encoding.
+}
+
+// Do executes Audits.getEncodedResponse against the provided context.
+//
+// returns:
+//   body - The encoded body as a base64 string. Omitted if sizeOnly is true.
+//   originalSize - Size before re-encoding.
+//   encodedSize - Size after re-encoding.
+func (p *GetEncodedResponseParams) Do(ctx context.Context) (body []byte, originalSize int64, encodedSize int64, err error) {
+	// execute
+	var res GetEncodedResponseReturns
+	err = cdp.Execute(ctx, CommandGetEncodedResponse, p, &res)
+	if err != nil {
+		return nil, 0, 0, err
+	}
+
+	// decode
+	var dec []byte
+	dec, err = base64.StdEncoding.DecodeString(res.Body)
+	if err != nil {
+		return nil, 0, 0, err
+	}
+	return dec, res.OriginalSize, res.EncodedSize, nil
+}
+
+// DisableParams disables issues domain, prevents further issues from being
+// reported to the client.
+type DisableParams struct{}
+
+// Disable disables issues domain, prevents further issues from being
+// reported to the client.
+//
+// See: https://chromedevtools.github.io/devtools-protocol/tot/Audits#method-disable
+func Disable() *DisableParams {
+	return &DisableParams{}
+}
+
+// Do executes Audits.disable against the provided context.
+func (p *DisableParams) Do(ctx context.Context) (err error) {
+	return cdp.Execute(ctx, CommandDisable, nil, nil)
+}
+
+// EnableParams enables issues domain, sends the issues collected so far to
+// the client by means of the issueAdded event.
+type EnableParams struct{}
+
+// Enable enables issues domain, sends the issues collected so far to the
+// client by means of the issueAdded event.
+//
+// See: https://chromedevtools.github.io/devtools-protocol/tot/Audits#method-enable
+func Enable() *EnableParams {
+	return &EnableParams{}
+}
+
+// Do executes Audits.enable against the provided context.
+func (p *EnableParams) Do(ctx context.Context) (err error) {
+	return cdp.Execute(ctx, CommandEnable, nil, nil)
+}
+
+// Command names.
+const (
+	CommandGetEncodedResponse = "Audits.getEncodedResponse"
+	CommandDisable            = "Audits.disable"
+	CommandEnable             = "Audits.enable"
+)