yuru4c/member_id.html

## member_id.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="ja-JP">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>pixiv member id</title>
	<style type="text/css">
		* {
			font-size: large;
		}
		body {
			white-space: nowrap;
		}
		label {
			display: block;
			font-weight: normal;
		}
		label, input {
			text-align: right;
		}

		button {
			width: 100%;
		}
		.half button {
			width: 50%;
		}
		#abort, .invert #button {
			display: none;
		}
		.invert #abort {
			display: inline;
		}

		#out {
			list-style-type: none;
		}
	</style>
</head>
<body>
	<table>
		<tr id="initials">
			<th><label for="initial">初期値: </label></th>
			<td><input id="initial" value="1"></td>
			<td><button type="button">0</button></td>
			<td><button type="button">-0</button></td>
			<td><button type="button">-1</button></td>
		</tr>
		<tr id="deltas">
			<th><label for="delta">幅: </label></th>
			<td><input id="delta" value="8388608"></td>
			<td><button type="button">1</button></td>
			<td colspan="2" class="half">
				   <button type="button">/2</button><!--
				--><button type="button">*2</button>
			</td>
		</tr>
		<tr>
			<td colspan="5" id="buttons">
				<button type="button" id="button">検索</button>
				<button type="button" id="abort" >中断</button>
			</td>
		</tr>
	</table>
	<ul id="out"><li></li></ul>

	<script type="text/javascript" src="member_id.js"></script>
	<script type="text/javascript">
		var log = function (str) {
			// console.log(str);
		};

		(function ($) {

			function getButtons(id) {
				return $.getElementById(id)
					.getElementsByTagName('button');
			}

			function initButton(button, input) {
				var value = button.firstChild.data;
				button.onclick = function () {
					input.value = value;
				};
			}

			$.onreadystatechange = function () {
				$.onreadystatechange = null;
				search.init();

				var initial = $.getElementById('initial');
				var delta   = $.getElementById('delta');

				var initials = getButtons('initials');
				var deltas   = getButtons('deltas');

				var buttons = $.getElementById('buttons');
				var button = $.getElementById('button');
				var abort  = $.getElementById('abort');

				var out = $.getElementById('out');

				function setInitial(value) {
					if (isNaN(value)) {
						value = 0;
					}
					if (value == 0 && 1 / value < 0) {
						initial.value = '-0';
					} else {
						initial.value = value;
					}
					return value;
				}
				function getInitial() {
					return setInitial(parseInt(initial.value));
				}

				function setDelta(value) {
					if (isNaN(value) || value < 1) {
						value = 1;
					}
					delta.value = value;
					return value;
				}
				function getDelta() {
					return setDelta(parseInt(delta.value));
				}

				initButton(initials[0], initial);
				initButton(initials[1], initial);
				initButton(initials[2], initial);

				initButton(deltas[0], delta);
				deltas[1].onclick = function () {
					setDelta(parseInt(delta.value) >> 1);
				};
				deltas[2].onclick = function () {
					setDelta(parseInt(delta.value) << 1);
				};

				function disabled(bool) {
					initial    .disabled = bool;
					initials[0].disabled = bool;
					initials[1].disabled = bool;
					initials[2].disabled = bool;

					delta    .disabled = bool;
					deltas[0].disabled = bool;
					deltas[1].disabled = bool;
					deltas[2].disabled = bool;
				}

				function done() {
					disabled(false);
					buttons.className = '';
				}
				var callback = function () {
					initial.value = '-0';
					delta.value = '16';
					callback = done;
					done();
				};

				button.onclick = function () {
					disabled(true);
					buttons.className = 'invert';
					search(getInitial(), getDelta(), callback);
				};
				abort.onclick = function () {
					search.abort();
					done();
				};

				var _log = log;
				log = function (str) {
					_log(str);
					var li = $.createElement('li');
					li.appendChild($.createTextNode(str));
					out.insertBefore(li, out.firstChild);
				};
			};
		})(document);
	</script>
</body>
</html>

## member_id.js
var search = (function ($) {

	var title = '<title>イラストコミュニケーションサービス[pixiv]</title>';

	var url = (function () {
		var yql0  = 'http://query.yahooapis.com/v1/public/yql?q=';
		var q0    = 'select * from htmlstring where url="';
		var pixiv = 'https://www.pixiv.net/member.php?id=';
		var q1    = '" and xpath="/html/head/title"';
		var yql1  = '&format=json&env=';
		var env   = 'store://datatables.org/alltableswithkeys';
		var yql2  = '&callback=';

		var url0 = yql0 +
			encodeURIComponent(q0 + pixiv);
		var url1 =
			encodeURIComponent(q1)  + yql1 +
			encodeURIComponent(env) + yql2;

		return function (id, callback) {
			return url0 + id + url1 + callback;
		};
	})();

	var head;
	var known, running;
	var n, delta, callback;

	var testCallback, testN;
	var key, script;
	var date, result;

	function finish() {
		log('[' + new Date(date).toLocaleString() + ']: ' + n);
		running = false;
		callback(n);
	}
	function stop() {
		delete search[key];
		script = null;
	}

	function onload(json) {
		stop();
		var query = json.query;
		result = title == query.results.result;
		if (result) date = query.created;
		else known = testN;
		testCallback();
	}
	function skip() {
		if (running) {
			result = false;
			testCallback();
		}
	}

	function test(n) {
		testN = n;
		if (n > known) {
			log('確認中 ' + n + ' ' + delta);
			key = '_' + Math.random().toFixed(15).slice(2);
			search[key] = onload;

			script = $.createElement('script');
			script.type = 'text/javascript';
			script.src = url(n, 'search.' + key);
			head.appendChild(script);
		} else {
			log('既知　 ' + n + ' ' + delta);
			setTimeout(skip, 0);
		}
	}
	function abortTest() {
		if (script) {
			head.removeChild(script);
			stop();
		}
	}

	function binary() {
		if (delta == 1) {
			finish();
			return;
		}
		delta = Math.ceil(delta / 2);
		test(n - delta);
	}
	function binaryCallback() {
		if (result) n = testN;
		binary();
	}

	function step() {
		test(n);
	}
	function stepCallback() {
		if (result) {
			testCallback = binaryCallback;
			binary();
		} else {
			n += delta;
			step();
		}
	}

	function exec(_n, _delta, _callback) {
		n = _n; delta = _delta; callback = _callback;
		running = true;
		if (1 / n < 0) {
			n = known - n;
		}
		if (n <= known) {
			n += Math.ceil((known - n + 1) / delta) * delta;
		}
		testCallback = stepCallback;
		step();
	}

	function abort() {
		if (running) {
			abortTest();
			running = false;
			log('中断');
		}
	}
	function init() {
		abort();
		head = $.getElementsByTagName('head')[0];
		known = 1;
	}

	function search(initial, delta, callback) {
		abort();
		exec(initial, delta, callback);
	}
	search.init  = init;
	search.abort = abort;

	return search;
})(document);
	<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
	<html lang="ja-JP">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>pixiv member id</title>
	<style type="text/css">
	* {
	font-size: large;
	}
	body {
	white-space: nowrap;
	}
	label {
	display: block;
	font-weight: normal;
	}
	label, input {
	text-align: right;
	}

	button {
	width: 100%;
	}
	.half button {
	width: 50%;
	}
	#abort, .invert #button {
	display: none;
	}
	.invert #abort {
	display: inline;
	}

	#out {
	list-style-type: none;
	}
	</style>
	</head>
	<body>
	<table>
	<tr id="initials">
	<th><label for="initial">初期値: </label></th>
	<td><input id="initial" value="1"></td>
	<td><button type="button">0</button></td>
	<td><button type="button">-0</button></td>
	<td><button type="button">-1</button></td>
	</tr>
	<tr id="deltas">
	<th><label for="delta">幅: </label></th>
	<td><input id="delta" value="8388608"></td>
	<td><button type="button">1</button></td>
	<td colspan="2" class="half">
	<button type="button">/2</button><!--
	--><button type="button">*2</button>
	</td>
	</tr>
	<tr>
	<td colspan="5" id="buttons">
	<button type="button" id="button">検索</button>
	<button type="button" id="abort" >中断</button>
	</td>
	</tr>
	</table>
	<ul id="out"><li></li></ul>

	<script type="text/javascript" src="member_id.js"></script>
	<script type="text/javascript">
	var log = function (str) {
	// console.log(str);
	};

	(function ($) {

	function getButtons(id) {
	return $.getElementById(id)
	.getElementsByTagName('button');
	}

	function initButton(button, input) {
	var value = button.firstChild.data;
	button.onclick = function () {
	input.value = value;
	};
	}

	$.onreadystatechange = function () {
	$.onreadystatechange = null;
	search.init();

	var initial = $.getElementById('initial');
	var delta = $.getElementById('delta');

	var initials = getButtons('initials');
	var deltas = getButtons('deltas');

	var buttons = $.getElementById('buttons');
	var button = $.getElementById('button');
	var abort = $.getElementById('abort');

	var out = $.getElementById('out');

	function setInitial(value) {
	if (isNaN(value)) {
	value = 0;
	}
	if (value == 0 && 1 / value < 0) {
	initial.value = '-0';
	} else {
	initial.value = value;
	}
	return value;
	}
	function getInitial() {
	return setInitial(parseInt(initial.value));
	}

	function setDelta(value) {
	if (isNaN(value) \|\| value < 1) {
	value = 1;
	}
	delta.value = value;
	return value;
	}
	function getDelta() {
	return setDelta(parseInt(delta.value));
	}

	initButton(initials[0], initial);
	initButton(initials[1], initial);
	initButton(initials[2], initial);

	initButton(deltas[0], delta);
	deltas[1].onclick = function () {
	setDelta(parseInt(delta.value) >> 1);
	};
	deltas[2].onclick = function () {
	setDelta(parseInt(delta.value) << 1);
	};

	function disabled(bool) {
	initial .disabled = bool;
	initials[0].disabled = bool;
	initials[1].disabled = bool;
	initials[2].disabled = bool;

	delta .disabled = bool;
	deltas[0].disabled = bool;
	deltas[1].disabled = bool;
	deltas[2].disabled = bool;
	}

	function done() {
	disabled(false);
	buttons.className = '';
	}
	var callback = function () {
	initial.value = '-0';
	delta.value = '16';
	callback = done;
	done();
	};

	button.onclick = function () {
	disabled(true);
	buttons.className = 'invert';
	search(getInitial(), getDelta(), callback);
	};
	abort.onclick = function () {
	search.abort();
	done();
	};

	var _log = log;
	log = function (str) {
	_log(str);
	var li = $.createElement('li');
	li.appendChild($.createTextNode(str));
	out.insertBefore(li, out.firstChild);
	};
	};
	})(document);
	</script>
	</body>
	</html>
	var search = (function ($) {

	var title = '<title>イラストコミュニケーションサービス[pixiv]</title>';

	var url = (function () {
	var yql0 = 'http://query.yahooapis.com/v1/public/yql?q=';
	var q0 = 'select * from htmlstring where url="';
	var pixiv = 'https://www.pixiv.net/member.php?id=';
	var q1 = '" and xpath="/html/head/title"';
	var yql1 = '&format=json&env=';
	var env = 'store://datatables.org/alltableswithkeys';
	var yql2 = '&callback=';

	var url0 = yql0 +
	encodeURIComponent(q0 + pixiv);
	var url1 =
	encodeURIComponent(q1) + yql1 +
	encodeURIComponent(env) + yql2;

	return function (id, callback) {
	return url0 + id + url1 + callback;
	};
	})();

	var head;
	var known, running;
	var n, delta, callback;

	var testCallback, testN;
	var key, script;
	var date, result;

	function finish() {
	log('[' + new Date(date).toLocaleString() + ']: ' + n);
	running = false;
	callback(n);
	}
	function stop() {
	delete search[key];
	script = null;
	}

	function onload(json) {
	stop();
	var query = json.query;
	result = title == query.results.result;
	if (result) date = query.created;
	else known = testN;
	testCallback();
	}
	function skip() {
	if (running) {
	result = false;
	testCallback();
	}
	}

	function test(n) {
	testN = n;
	if (n > known) {
	log('確認中 ' + n + ' ' + delta);
	key = '_' + Math.random().toFixed(15).slice(2);
	search[key] = onload;

	script = $.createElement('script');
	script.type = 'text/javascript';
	script.src = url(n, 'search.' + key);
	head.appendChild(script);
	} else {
	log('既知　 ' + n + ' ' + delta);
	setTimeout(skip, 0);
	}
	}
	function abortTest() {
	if (script) {
	head.removeChild(script);
	stop();
	}
	}

	function binary() {
	if (delta == 1) {
	finish();
	return;
	}
	delta = Math.ceil(delta / 2);
	test(n - delta);
	}
	function binaryCallback() {
	if (result) n = testN;
	binary();
	}

	function step() {
	test(n);
	}
	function stepCallback() {
	if (result) {
	testCallback = binaryCallback;
	binary();
	} else {
	n += delta;
	step();
	}
	}

	function exec(_n, _delta, _callback) {
	n = _n; delta = _delta; callback = _callback;
	running = true;
	if (1 / n < 0) {
	n = known - n;
	}
	if (n <= known) {
	n += Math.ceil((known - n + 1) / delta) * delta;
	}
	testCallback = stepCallback;
	step();
	}

	function abort() {
	if (running) {
	abortTest();
	running = false;
	log('中断');
	}
	}
	function init() {
	abort();
	head = $.getElementsByTagName('head')[0];
	known = 1;
	}

	function search(initial, delta, callback) {
	abort();
	exec(initial, delta, callback);
	}
	search.init = init;
	search.abort = abort;

	return search;
	})(document);