■anond pickup of the day

以下の二つに留意、つまり乱用禁止。

• 100以上のリクエストが発生する
• 数十ページ数百エントリを処理するので処理時間が幾分かかり一時固まる

取説未満

• 増田の仕様によりスクリプト中にある「&&」が「&&」になっている
• 日毎のページ、http://anond.hatelabo.jp/20070701などでのみ動作する
• ページナビ横の"pickup of the day"をクリックでクロール&抽出開始し、しばらく固まる
• ページナビが消え、目次ができ、その目次でジャンプする
• "(un)visible hide section"のリンクで隠されたエントリの表示非表示を切替え
• 別ページやリロードすると消えてしまうので、ローカルに保存する事をお進めする
  • 上部hatelaboロゴも含めて選択後、"View Selection Source"「選択した部分のソースを表示」で変更後のソースを表示、エディタにコピー&ペーストで張り付ける
  • 「"/」→「"http://anond.hatelabo.jp/」へ置換する
  • スクリプト中のコメントアウト部分の処理がわかるようならそれも参考にするとなお便利と思うが、それはなくてもOK
• あまり目立つとまずい気もするので過去記事を流用し2007/07/01掲載
• 2007/08/27 機能追加

// ==UserScript==
// @name	anond pickup of the day
// @namespace	http://anond.hatelabo.jp/
// @description	pickup section of the day at Hatelabo::AnonymousDiary
// @include	http://anond.hatelabo.jp/2*
// ==/UserScript==
(function(){
	var trackbackThreshold = 10;
	var ignoreList = {
		"/20070801172335": 33,
		"/20070806163721": 10,
	};

	// only section of the day
	if (! location.pathname.match(/^\/\d{8}$/)) {
		return;
	}

	// regist ancher that kick main routine
	var a = document.createElement("a");
	a.href = "#";
	a.innerHTML = "pickup of the day";
	a.addEventListener("click", grab, false);
	var firstPager_l = document.evaluate("//div[@class='pager-l']",document,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue;
	firstPager_l.appendChild(a);

	function Outline() {
		this.outline = document.createElement("ul");
		this.text = document.createElement("textarea");
		this.text.style.overflow = "auto";
		this.text.style.width = "100%";
		this.text.style.height = "15em";
		this.text.innerHTML = "</ul><\n><ul>\n";
		this.list = new Array();
	}
	Outline.prototype.setup = function() {
		var parent = document.getElementById("body");
		parent.insertBefore(this.outline, parent.firstChild);
		parent.insertBefore(this.text, parent.firstChild);
	}
	Outline.prototype.append = function(section) {
		var h3 = section.getElementsByTagName("h3")[0];
		var sectionName = h3.firstChild.pathname.replace(/\//,"");
		var sectionText = h3.textContent.replace(/\s*$/,"");
		if (sectionText == "\u25a0") {
			sectionText = sectionName;
		}
		this.text.innerHTML +=
			'<h2>[http://anond.hatelabo.jp/'+sectionName+
			":title="+sectionText.replace(/^\u25a0/,"").replace(/]/g,"&amp;#93;")+"] "+
			'<a href="http://b.hatena.ne.jp/entry/http://anond.hatelabo.jp/'+sectionName+'">'+
			'<img src="http://b.hatena.ne.jp/entry/image/http://anond.hatelabo.jp/'+sectionName+'">'+
			"</a></h2>\n";
		h3.firstChild.name = sectionName;
		var li = document.createElement("li");
		li.innerHTML =
			'<a href="#'+sectionName+'">' +
			sectionText.replace(/&amp;/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;") +
			"</a>";
		var nextSibling = 0;
		for (var i in this.list) {
			if (nextSibling < i &amp;&amp; i < sectionName) {
				nextSibling = i;
			}
		}
		if (nextSibling) {
			this.outline.insertBefore(li, this.list[nextSibling]);
		} else {
			this.outline.appendChild(li);
		}
		this.list[sectionName] = li;
	}
	var outline = new Outline();

	function CC(day) {
		this.li = document.createElement("li");
		this.li.innerHTML = '<a href="/'+day+'" target="_blank">' + day + "</a>";
		this.day = day;
		this.n = new Array();
	}
	CC.prototype.pp = function(id) {
		this.n.push(id);
		if (this.n.length > 10) {
			this.li.innerHTML = '<a href="/'+this.day+'" target="_blank">' + this.day + "</a> " + this.n.length;
		} else {
			this.li.innerHTML += ' <a href="/'+id+'" target="_blank">*</a>';
		}
	}

	function Count() {
		this.count = document.createElement("ul");
		this.list = new Array();
	}
	Count.prototype.setup = function() {
		var parent = document.getElementById("body");
		parent.insertBefore(this.count, parent.firstChild);
	}
	Count.prototype.append = function(day, id) {
		var nextSibling = 0;
		for (var i in this.list) {
			if (nextSibling < i &amp;&amp; i <= day) {
				nextSibling = i;
			}
		}
		if (nextSibling == day) {
			this.list[nextSibling].pp(id);
		} else {
			var cc = new CC(day);
			if (nextSibling) {
				this.count.insertBefore(cc.li, this.list[nextSibling].li);
			} else {
				this.count.appendChild(cc.li);
			}
			this.list[day] = cc;
			cc.pp(id);
		}
	}
	Count.prototype.appendSection = function(section) {
		var id = section.getElementsByTagName("h3")[0].firstChild.pathname.replace(/\//,"");
		var today = id.match(/\d{8}/)[0];
		var anchors = section.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++) {
			if (anchors[i].href &amp;&amp; anchors[i].host == "anond.hatelabo.jp" &amp;&amp; anchors[i].pathname.match(/\/(\d{8})\d{6}/) &amp;&amp; RegExp.$1 != today) {
				this.append(RegExp.$1, id);
			}
		}
	}
	var count = new Count();

	function Hide(){}
	Hide.prototype.setup = function() {
		this.style = document.createElement("style");
		this.style.id = "hide";
		this.style.type = "text/css";
		document.getElementsByTagName("head")[0].appendChild(this.style);
		var self = this;
		this.a = new Object();
		this.a.visible = document.createElement("a");
		this.a.visible.id = "visible";
		this.a.visible.href = "#";
		this.a.visible.innerHTML = "visible hide section";
//		this.a.visible.setAttribute("onclick","document.getElementById('hide').innerHTML = 'div.hide {display: block}';document.getElementById('visible').style.display = 'none';document.getElementById('unvisible').style.display = 'inline';");
		this.a.visible.addEventListener("click", function(){self.visible()}, false);
		firstPager_l.parentNode.insertBefore(this.a.visible, firstPager_l);
		this.a.unvisible = document.createElement("a");
		this.a.unvisible.id = "unvisible";
		this.a.unvisible.href = "#";
		this.a.unvisible.innerHTML = "unvisible hide section";
//		this.a.visible.setAttribute("onclick","document.getElementById('hide').innerHTML = 'div.hide {display: none}';document.getElementById('visible').style.display = 'inline';document.getElementById('unvisible').style.display = 'none';");
		this.a.unvisible.addEventListener("click", function(){self.unvisible()}, false);
		firstPager_l.parentNode.insertBefore(this.a.unvisible, firstPager_l);
		this.unvisible();
	}
	Hide.prototype.visible = function() {
		this.style.innerHTML = "div.hide {display: block}";
		this.a.visible.style.display = "none";
		this.a.unvisible.style.display = "inline";
	}
	Hide.prototype.unvisible = function() {
		this.style.innerHTML = "div.hide {display: none}";
		this.a.visible.style.display = "inline";
		this.a.unvisible.style.display = "none";
	}
	Hide.prototype.append = function(section) {
		if (section.className.match(/hide/)) {
			return;
		}
		section.className += " hide";
		count.appendSection(section);
	}
	Hide.prototype.is = function(section) {
		return section.className.match(/hide/);
	}
	var hide = new Hide();

	// main routine
	function grab(){
		if (! document.body.innerHTML.match(/<div class="pager-r">(\d+)/)) {
			return;
		}
		var pages = RegExp.$1 -0;
		if (pages <= 0 || pages > 40) { // check error and limit 1000 entry
			return;
		}
//pages = 2;

		firstPager_l.style.display = "none";
		outline.setup();
		hide.setup();
		count.setup();

		var mainbody = document.evaluate("//div[@class='body']", document,null,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue;
		mainbody.innerHTML = "\n";
		for (var i=1; i<=pages; i++) {
			cat(mainbody, i);
		}
	}

	// page load and concatenate
	function cat(container, page) {
		container.innerHTML += "<!-- page " + page + " -->\n";
		GM_xmlhttpRequest({
			method: "GET",
			url: "http://anond.hatelabo.jp" + location.pathname + "?page=" + page,
			onload: function(result) {
				result.responseText.match(/<div class="body">((.|\s)*?)\s*<\/div>\s*<\/div>\s*<div class="pager-l">/);
				container.innerHTML = container.innerHTML.replace("<!-- page " + page + " -->", RegExp.$1);
				if (! container.innerHTML.match(/<!-- page \d+ -->/)) {
//					document.documentElement.innerHTML = document.documentElement.innerHTML.replace(/(src|href)=\"\//mg, "$1=\"http://anond.hatelabo.jp/");
					pickup();
				}
			}
		});
	}

	// pickup section at last cat() concatenate after
	function pickup() {
		var target = document.evaluate(
			"//div[@class='section' and child::*[not(@class='sectionfooter') and descendant::a[starts-with(@href,'http://anond.hatelabo.jp/2') or starts-with(@href,'/2') and not(child::span[@class='sanchor'])]]]",
			document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
		for (var i=0; i<target.snapshotLength; i++) {
			hide.append(target.snapshotItem(i));
		}

		var tbs = document.evaluate(
			"//p[@class='sectionfooter']/a[2]",
			document,null,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
		for (var i=0; i<tbs.snapshotLength; i++) {
			var tb = tbs.snapshotItem(i);
			if (tb.innerHTML == "\u30c8\u30e9\u30c3\u30af\u30d0\u30c3\u30af(0)") {
				hide.append(tb.parentNode.parentNode);
			} else if (! hide.is(tb.parentNode.parentNode)) {
				trackback(tb);
			}
		}
	}

	// count trackbacks
	function trackback(tb) {
		GM_xmlhttpRequest({
			method: "GET",
			url: "http://anond.hatelabo.jp/" + tb.pathname.match(/\d{14}/),
			onload: function(result) {
				var link = result.responseText.match(/<a name="tb">(.|\s)*/)[0].match(/<li>\s*<a href="http:\/\/anond.hatelabo.jp\/\d{14}"/g);
				var n = link.length;
				for (var l in link) {
					var m = "/" + link[l].match(/\d{14}/);
					if (m in ignoreList) {
						n -= ignoreList[m];
					}
				}
				if (n < trackbackThreshold) {
					hide.append(tb.parentNode.parentNode);
				} else {
					tb.innerHTML = tb.innerHTML.replace(/\)$/, "/"+n+")");
					outline.append(tb.parentNode.parentNode);
				}
			}
		});
	}

})();

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