suzanne.soy/wiki.gruntnetwork.com--zimmer
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storeDirEntry

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v 2017-05-15 19:17:06 +03:00
parent 25977c4925
commit 2fb426a737
1 changed files with 19 additions and 11 deletions
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30
zimmer.js
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@ -529,20 +529,27 @@ Article.prototype.process = function (callback) {
// title string n/a zero terminated string with an title as refered in the Title pointer list or empty; in case it is empty, the URL is used as title
// parameter data see parameter len (not used) extra parameters
Article.prototype.storeDirEntry = function (clusterNum, blobNum, callback) {
// this also serves redirect dirEntry, but the later is shorter in 4 bytes
Article.prototype.storeDirEntry = function (clusterIdx, blobIdx, callback) {
// this also serves redirect dirEntry, which is shorter in 4 bytes
var needsSave = clusterIdx != null
if (! needsSave )
return async.setImmediate(callback);
var shortEntry = blobIdx == null
var buf = Buffer.allocUnsafe(shortEntry ? 12 : 16);
var mimeIndex = mimeTypeIndex(this.mimeType);
var buf = Buffer.allocUnsafe(blobNum != null ? 16 : 12);
log('storeDirEntry', clusterNum, blobNum, mimeIndex, this);
log('storeDirEntry', clusterIdx, blobIdx, mimeIndex, this);
buf.writeUIntLE(mimeIndex, 0, 2);
buf.writeUIntLE(0, 2, 1); // parameters length
buf.write(this.nameSpace, 3, 1);
buf.writeUIntLE(0, 4, 4); // revision
buf.writeUIntLE(clusterNum, 8, 4); // or redirect target article index
if (blobNum != null)
buf.writeUIntLE(blobNum,12, 4);
buf.writeUIntLE(mimeIndex, 0, 2);
buf.writeUIntLE(0, 2, 1); // parameters length
buf.write(this.nameSpace, 3, 1);
buf.writeUIntLE(this.revision, 4, 4); // revision
buf.writeUIntLE(clusterIdx, 8, 4); // or redirect target article index
if (! shortEntry)
buf.writeUIntLE(blobIdx, 12, 4);
var urlBuf = Buffer.from(this.url + '\0');
var titleBuf = Buffer.from(this.title + '\0');
@ -551,6 +558,7 @@ Article.prototype.storeDirEntry = function (clusterNum, blobNum, callback) {
Buffer.concat([buf, urlBuf, titleBuf]),
function (err, offset) {
this.dirEntry = offset;
log('storeArticleEntry done', err || 'OK', offset, buf.length, this.url);
callback(err);
}.bind(this)
);