uBlock/src/js/dashboard-common.js
2015-08-15 09:24:55 -04:00

114 lines
3.6 KiB
JavaScript

/*******************************************************************************
µBlock - a browser extension to block requests.
Copyright (C) 2014 Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
/* global uDom */
'use strict';
/******************************************************************************/
self.uBlockDashboard = self.uBlockDashboard || {};
/******************************************************************************/
// Helper for client panes:
// Remove literal duplicate lines from a set based on another set.
self.uBlockDashboard.mergeNewLines = function(text, newText) {
var lineBeg, textEnd, lineEnd;
var line, hash, bucket;
// Step 1: build dictionary for existing lines.
var fromDict = Object.create(null);
lineBeg = 0;
textEnd = text.length;
while ( lineBeg < textEnd ) {
lineEnd = text.indexOf('\n', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = text.indexOf('\r', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = textEnd;
}
}
line = text.slice(lineBeg, lineEnd).trim();
lineBeg = lineEnd + 1;
if ( line.length === 0 ) {
continue;
}
hash = line.slice(0, 8);
bucket = fromDict[hash];
if ( bucket === undefined ) {
fromDict[hash] = line;
} else if ( typeof bucket === 'string' ) {
fromDict[hash] = [bucket, line];
} else /* if ( Array.isArray(bucket) ) */ {
bucket.push(line);
}
}
// Step 2: use above dictionary to filter out duplicate lines.
var out = [ '' ];
lineBeg = 0;
textEnd = newText.length;
while ( lineBeg < textEnd ) {
lineEnd = newText.indexOf('\n', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = newText.indexOf('\r', lineBeg);
if ( lineEnd === -1 ) {
lineEnd = textEnd;
}
}
line = newText.slice(lineBeg, lineEnd).trim();
lineBeg = lineEnd + 1;
if ( line.length === 0 ) {
if ( out[out.length - 1] !== '' ) {
out.push('');
}
continue;
}
bucket = fromDict[line.slice(0, 8)];
if ( bucket === undefined ) {
out.push(line);
continue;
}
if ( typeof bucket === 'string' && line !== bucket ) {
out.push(line);
continue;
}
if ( bucket.indexOf(line) === -1 ) {
out.push(line);
/* continue; */
}
}
return text.trim() + '\n' + out.join('\n');
};
/******************************************************************************/
// Open links in the proper window
uDom('a').attr('target', '_blank');
uDom('a[href*="dashboard.html"]').attr('target', '_parent');
uDom('.whatisthis').on('click', function() {
uDom(this)
.parent()
.descendants('.whatisthis-expandable')
.toggleClass('whatisthis-expanded');
});