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Bug 779796 - Part 3: Update Readability.js to be compatible with JSDOMParser. r=lucasr

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This commit is contained in:
Brian Nicholson 2012-08-09 23:30:46 -07:00
parent 87da169055
commit da6f05594e
1 changed files with 30 additions and 4 deletions
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34
mobile/android/chrome/content/Readability.js
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@ -511,7 +511,28 @@ Readability.prototype = {
let node = null;
let nodesToScore = [];
for (let nodeIndex = 0; (node = allElements[nodeIndex]); nodeIndex += 1) {
// Let each node know its index in the allElements array.
for (let i = allElements.length; --i >= 0;) {
allElements[i]._index = i;
}
/**
* JSDOMParser returns static node lists, not live ones. When we remove
* an element from the document, we need to manually remove it - and all
* of its children - from the allElements array.
*/
function purgeNode(node) {
for (let i = node.childNodes.length; --i >= 0;) {
purgeNode(node.childNodes[i]);
}
if (node._index !== undefined && allElements[node._index] == node)
delete allElements[node._index];
}
for (let nodeIndex = 0; nodeIndex < allElements.length; nodeIndex++) {
if (!(node = allElements[nodeIndex]))
continue;
// Remove unlikely candidates
if (stripUnlikelyCandidates) {
let unlikelyMatchString = node.className + node.id;
@ -520,7 +541,7 @@ Readability.prototype = {
node.tagName !== "BODY") {
this.log("Removing unlikely candidate - " + unlikelyMatchString);
node.parentNode.removeChild(node);
nodeIndex -= 1;
purgeNode(node);
continue;
}
}
@ -534,6 +555,12 @@ Readability.prototype = {
let newNode = doc.createElement('p');
newNode.innerHTML = node.innerHTML;
node.parentNode.replaceChild(newNode, node);
// Manually update allElements since it is not a live NodeList
newNode._index = nodeIndex;
allElements[nodeIndex] = newNode;
purgeNode(node);
nodeIndex -= 1;
nodesToScore[nodesToScore.length] = node;
} else {
@ -545,10 +572,9 @@ Readability.prototype = {
if (childNode.nodeType === 3) { // Node.TEXT_NODE
let p = doc.createElement('p');
p.innerHTML = childNode.nodeValue;
p.innerHTML = childNode.textContent;
p.style.display = 'inline';
p.className = 'readability-styled';
childNode.parentNode.replaceChild(p, childNode);
}
}