1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
| 'use strict'; var cheerio = require('cheerio');
// http://stackoverflow.com/questions/14480345/how-to-get-the-nth-occurrence-in-a-string function getPosition(str, m, i) { return str.split(m, i).join(m).length; } var version = String(hexo.version).split('.'); hexo.extend.filter.register('after_post_render', function(data){ var config = hexo.config; if(config.post_asset_folder){ var link = data.permalink; if(version.length > 0 && Number(version[0]) == 3) var beginPos = getPosition(link, '/', 1) + 1; else var beginPos = getPosition(link, '/', 3) + 1; // In hexo 3.1.1, the permalink of "about" page is like ".../about/index.html". var endPos = link.lastIndexOf('/') + 1; link = link.substring(beginPos, endPos);
var toprocess = ['excerpt', 'more', 'content']; for(var i = 0; i < toprocess.length; i++){ var key = toprocess[i];
var $ = cheerio.load(data[key], { ignoreWhitespace: false, xmlMode: false, lowerCaseTags: false, decodeEntities: false });
$('img').each(function(){ if ($(this).attr('src')){ // For windows style path, we replace '\' to '/'. var src = $(this).attr('src').replace('\\', '/'); if(!/http[s]*.*|\/\/.*/.test(src) && !/^\s*\//.test(src)) { // For "about" page, the first part of "src" can't be removed. // In addition, to support multi-level local directory. var linkArray = link.split('/').filter(function(elem){ return elem != ''; }); var srcArray = src.split('/').filter(function(elem){ return elem != '' && elem != '.'; }); if(srcArray.length > 1) srcArray.shift(); src = srcArray.join('/'); $(this).attr('src', config.root + link + src); console.info&&console.info("update link as:-->"+config.root + link + src); } }else{ console.info&&console.info("no src attr, skipped..."); console.info&&console.info($(this)); } }); data[key] = $.html(); } } });
|