Adblock のフィルタを urlfilter.ini に変換する

abp_jp2urlfilter.ini.js

javascript:(function(){
/*
Adblock のフィルタを urlfilter.ini に変換する
ついてに広告カット CSS も作成
https://adblock-plus-japanese-filter.googlecode.com/hg/abp_jp.txt で実行

|| で始まる行は http, https の2行に、^ は "/*" に、$のある行はスルー。
CSS は -moz-document を使っている部分があるので Opera では前半のみ利用可能
*/

	var text = "\n" + document.body.textContent + "\n";
	var textcss = [];
	var filtertext = text
	.replace(/\n[\![].*|.*(?:\$|@@).*/g, "")
	.replace(/.*##.*/g, function(str){ textcss.push(str); return ""; })
	.replace(/\n\|\|(.*)/g, function(str, p1){ return "\n|http://" + p1 + "\n|https://" + p1; })
	.replace(/[\r\n]+/g, "\n")
	.replace(/^\s*|\s*$/g, "")
	.replace(/\^/g, "/")
	;
	var exclude = filtertext.split(/[\r\n]+/).map(function(line, i, a) {
		var str = line;
		if (str[0] === "|") {
			str = str.substr(1) + "*";
		} else {
			str = "*" + str + "*";
		}
		return str;
	});
	exclude = 
	['Opera Preferences version 2.1'
	,'; Do not edit this file while Opera is running'
	,'; This file is stored in UTF-8 encoding'
	,''
	,'[prefs]'
	,'prioritize excludelist=1'
	,''
	,'[include]'
	,'*'
	,''
	,'[exclude]'
	,exclude.join("\n").replace(/\*+/g, "*")
	].join("\n");

	var cssdomains = { "ALL": [] };
	textcss.forEach(function(line,i,a) {
		if (line[0] === "~") return;
		if (line.indexOf("##") === 0) {
			cssdomains.ALL.push(line.substr(2));
			return;
		}
		var aaa = line.split("##");
		var dom = aaa[0];
		if (!cssdomains[dom]) cssdomains[dom] = [];
		cssdomains[dom].push(aaa[1]);
	});
	
	var cssres = ["@namespace url(http://www.w3.org/1999/xhtml);"];
	if (cssdomains.ALL.length)
		cssres.push(cssdomains.ALL.join(", ") + '\n  { display: none !important; }');
	delete cssdomains.ALL;
	for(var n in cssdomains) {
		var d = n.split(",").map(function(d){ return 'domain("'+ d +'")'}).join(",");
		cssres.push('@-moz-document ' + d + '{\n  '+ cssdomains[n].join(",")  +'\n    { display: none !important; }\n}');
	}

	window.open('data:text/html;charset=utf-8,' + encodeURIComponent('<frameset rows="*,*">'
	 + '<frame src="data:text/plain;charset=utf-8,' + encodeURIComponent(exclude) + '">'
	 + '<frame src="data:text/css;charset=utf-8,' + encodeURIComponent(cssres.join("\n\n")) + '">'
	 + '</frameset>'));

})();