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Improve logic to detect XMLDocument response in xml-prune

Related discussion:
- https://github.com/uBlockOrigin/uBlock-discussions/discussions/792#discussioncomment-6561841

Additionally, added extra parameter `..., logdoc, 1` to allow dumping whole
document being worked on to the console.
This commit is contained in:
Raymond Hill 2023-07-27 08:39:28 -04:00
parent d3ef9ccfd1
commit 6d7674e69f
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@ -2303,7 +2303,8 @@ function xmlPrune(
if ( selector === '' ) { return; }
const reUrl = patternToRegex(urlPattern);
const extraArgs = getExtraArgs(Array.from(arguments), 3);
const log = shouldLog(extraArgs);
const safe = safeSelf();
const log = shouldLog(extraArgs) ? ((...args) => { safe.uboLog(...args); }) : (( ) => { });
const queryAll = (xmlDoc, selector) => {
const isXpath = /^xpath\(.+\)$/.test(selector);
if ( isXpath === false ) {
@ -2328,19 +2329,20 @@ function xmlPrune(
if ( selectorCheck !== '' && xmlDoc.querySelector(selectorCheck) === null ) {
return xmlDoc;
}
if ( extraArgs.logdoc ) {
const serializer = new XMLSerializer();
log(`xmlPrune: document is\n\t${serializer.serializeToString(xmlDoc)}`);
}
const items = queryAll(xmlDoc, selector);
if ( items.length !== 0 ) {
if ( log ) { safeSelf().uboLog(`xmlPrune: removing ${items.length} items`); }
for ( const item of items ) {
if ( item.nodeType === 1 ) {
item.remove();
} else if ( item.nodeType === 2 ) {
item.ownerElement.removeAttribute(item.nodeName);
}
if ( log ) {
safeSelf().uboLog(`xmlPrune: ${item.constructor.name}.${item.nodeName} removed`);
}
if ( items.length === 0 ) { return xmlDoc; }
log(`xmlPrune: removing ${items.length} items`);
for ( const item of items ) {
if ( item.nodeType === 1 ) {
item.remove();
} else if ( item.nodeType === 2 ) {
item.ownerElement.removeAttribute(item.nodeName);
}
log(`xmlPrune: ${item.constructor.name}.${item.nodeName} removed`);
}
} catch(ex) {
if ( log ) { safeSelf().uboLog(ex); }
@ -2391,11 +2393,17 @@ function xmlPrune(
thisArg.addEventListener('readystatechange', function() {
if ( thisArg.readyState !== 4 ) { return; }
const type = thisArg.responseType;
if ( type === 'document' || thisArg.responseXML instanceof XMLDocument ) {
if (
type === 'document' ||
type === '' && thisArg.responseXML instanceof XMLDocument
) {
pruneFromDoc(thisArg.responseXML);
return;
}
if ( type === 'text' || typeof thisArg.responseText === 'string' ) {
if (
type === 'text' ||
type === '' && typeof thisArg.responseText === 'string'
) {
const textin = thisArg.responseText;
const textout = pruneFromText(textin);
if ( textout === textin ) { return; }