convert.js

var fs = require('fs');
//require('./ext.js');

var year = 2017
var gakubuID = 26;

function findData(m0, mp, me, env){
	var s, t;
	env.p = env.text.indexOf(m0, env.p + 1) + m0.length - 1;
	env.p = env.text.indexOf(mp, env.p + 1);
	s = env.p + mp.length;
	env.p = env.text.indexOf(me, env.p + 1);
	t = env.p;
	return env.text.substring(s, t);
}

var youbiList = ['日', '月', '火', '水', '木', '金', '土'];
var pNumList = ['０', '１', '２', '３', '４', '５', '６'];

function getPeriodList(pStr){
	var pList0 = pStr.split('／');
	var pList1 = new Array();
	var d, p, p1, p2;
	for(var i = 0; i < pList0.length; i++){
		if(pList0[i].indexOf(":") != -1){
			pList0[i] = pList0[i].substring(3);
		}
		d = youbiList.indexOf(pList0[i][0]);
		if(d != -1){
			if(pList0[i].indexOf('-') == -1){
				p = pNumList.indexOf(pList0[i][1]);
				if(p != -1){
					pList1.push([d, p]);
				}
			} else{
				p1 = pNumList.indexOf(pList0[i][1]);
				p2 = pNumList.indexOf(pList0[i][3]);
				for(p = p1; p <= p2; p++){
					pList1.push([d, p]);
				}
			}
		}
	}
	return pList1;
}

fs.readFile('store/' + year + '_' + gakubuID + '_desc.txt', 'utf8', function (err, text) {
	if(err){
		console.log("File open error.");
		return;
	}
	var env = new Object();
	var tList = new Object();
	var tMinList = new Object();
	var uqList = new Array();
	var tIndexTable = [[], [], [], [], [], [], []];
	env.p = -1;
	env.text = text;
	for(;;){
		var t = new Object();
		var tmp;
    	env.p = text.indexOf("授業情報", env.p + 1);
		if(env.p == -1){
			break;
		}
		t["開講年度"]		= findData("<td", ">", "<", env);
		t["開講箇所"]		= findData("<td", ">", "<", env);
		t["科目名"]			= findData("<td", "div>", "<", env);
		t["担当教員"]		= findData("<td", ">", "<", env);
		t["学期曜日時限"]	= findData("<td", ">", "<", env);
		tmp = t["学期曜日時限"].split("&nbsp;&nbsp;");
		t["学期"] = tmp[0];
		t["曜日時限"] = tmp[1];
		t["pList"] = getPeriodList(t["曜日時限"]);
		t["科目区分"]		= findData("<td", ">", "<", env);
		//uqList.pushUnique(t["科目区分"]);
		t["配当年次"]		= pNumList.indexOf(findData("<td", ">", "<", env)[0]);
		t["単位数"]			= parseInt(findData("<td", ">", "<", env));
		t["使用教室"]			= findData("<td", ">", "<", env);
		t["キャンパス"]			= findData("<td", ">", "<", env);
		t["科目キー"]			= findData("<td", ">", "<", env);
		t["科目クラスコード"]	= findData("<td", ">", "<", env);
		t["授業で使用する言語"]	= findData("<td", ">", "<", env);
		t["コース・コード"]	= findData("<td", ">", "<", env);
		t["大分野名称"]	= findData("<td", ">", "<", env);
		t["中分野名称"]	= findData("<td", ">", "<", env);
		t["小分野名称"]	= findData("<td", ">", "<", env);
		t["レベル"]	= findData("<td", ">", "<", env);
		t["授業形態"]	= findData("<td", ">", "<", env);
		t["pKey"]	= findData('<input type="hidden" name="pKey"', '"', '"', env);
		t["URL"] = "https://www.wsl.waseda.jp/syllabus/JAA104.php?pKey=" + t["pKey"] + "&pLng=jp"
		tList[t["pKey"]] = t;
		//
		tMinList[t["pKey"]] = [
			t["pList"],
			t["配当年次"],
			t["単位数"],
			t["学期"],
			t["科目名"],
			t["科目区分"],
			t["URL"],
			t["担当教員"],
			t["使用教室"],
		];

		for(var i = 0; i < t["pList"].length; i++){
			if(!tIndexTable[t["pList"][i][0]][t["pList"][i][1]]){
				tIndexTable[t["pList"][i][0]][t["pList"][i][1]] = [];
			}
			tIndexTable[t["pList"][i][0]][t["pList"][i][1]].push(t["pKey"]); 
		}
	}
	//console.log(JSON.stringify(tList, "", "    "));
	//console.log(JSON.stringify(tMinList, "", "    "));
	fs.writeFile('store/' + year + '_' + gakubuID + '_conv_data.json', JSON.stringify(tMinList));
	console.log(JSON.stringify(tIndexTable, "", "    "));
	fs.writeFile('store/' + year + '_' + gakubuID + '_conv_table.json', JSON.stringify(tIndexTable));
	//console.log(uqList);
});