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yasama018 / Bilibili 弹幕统计

// ==UserScript==
// @namespace     https://openuserjs.org/users/yasama018
// @name          Bilibili 弹幕统计
// @description   B站弹幕信息统计工具
// @copyright     2018, yasama018 (https://openuserjs.org/users/yasama018)
// @license       MIT
// @version       0.0.1
// @match        https://www.bilibili.com/video/av*
// @match        https://www.bilibili.com/bangumi/play/* 
// ==/UserScript==

// ==OpenUserJS==
// @author yasama018
// ==/OpenUserJS==
/*
统计功能模块
1.统计所有用户,以及用户发送弹幕次数,显示前30名[显名]
2.统计同一个单词出现次数 前30位 [=1不统计]
3.弹幕列表[定位到指定弹幕 并可选择显名] 
显示统计结果功能模块
1.列表UI-1
2.列表UI-2
3.列表UI-3



*/
(function () {
    /*
    global function
    */
    function getCookie(c_name) {
        if (document.cookie.length > 0) {
            c_start = document.cookie.indexOf(c_name + "=");
            if (c_start != -1) {
                c_start = c_start + c_name.length + 1;
                c_end = document.cookie.indexOf(";", c_start);
                if (c_end == -1) c_end = document.cookie.length;
                return unescape(document.cookie.substring(c_start, c_end));
            }
        }
        return "";
    }
    function userdm(userhash)
    {
        this.userhash=userhash;
        this.dmcount=0;
        this.dmlist=[];
        this.userid=-1;
        this.setuserid=function(id)
        {
            this.userid=id;
        };
        this.adddm=function(dm)
        {
            this.dmlist.push(dm);
            this.dmcount++;
        };
    }
     function Dictionary() {  
            var items = {};  
  
            this.has = function (key) {  
                return key in items;  
            };  
  
            this.set = function (key, value) {  
                items[key] = value;  
            };  
  
            this.remove = function (key) {  
                if (this.has(key)) {  
                    delete items[key];  
                    return true;  
                }  
                return false;  
            };  
  
            this.get = function (key) {  
                return this.has(key) ? items[key] : undefined;  
            };  
  
            this.values = function () {  
                var values = [];  
                for (var k in items) {  
                    if (this.has(k)) {  
                        values.push(items[k]);  
                    }  
                }  
                return values;  
            };  
  
            this.clear = function () {  
                items = {};  
            };  
  
            this.size = function () {  
                var count = 0;  
                for (var prop in items) {  
                    if (items.hasOwnProperty(prop)) {  
                        ++count;  
                    }  
                }  
                return count;  
            };  
  
            this.getItems = function () {  
                return items;  
            };  
        } 
    /*
    DMTOOL LIB
    */
    var DMTool = {};
    DMTool.LoadXML = function (xmlFile) {
        var xmlDoc;
        if (window.ActiveXObject) {
            xmlDoc = new ActiveXObject('Microsoft.XMLDOM');//IE浏览器
            xmlDoc.async = false;
            xmlDoc.load(xmlFile);
        }
        else if ((isFirefox = navigator.userAgent.indexOf("Firefox")) > 0) { //火狐浏览器
            //else if (document.implementation && document.implementation.createDocument) {//这里主要是对谷歌浏览器进行处理
            xmlDoc = document.implementation.createDocument('', '', null);
            xmlDoc.load(xmlFile);
        }
        else { //谷歌浏览器
            var xmlhttp = new window.XMLHttpRequest();
            xmlhttp.open("GET", xmlFile, false);
            xmlhttp.send(null);
            if (xmlhttp.readyState == 4) {
                xmlDoc = xmlhttp.responseXML.documentElement;
            }
        }

        return xmlDoc;
    };
    DMTool.CheckXMLDocObj = function (xmlFile) {
        var xmlDoc = DMTool.LoadXML(xmlFile);
        if (xmlDoc == null) {
            alert('您的浏览器不支持xml文件读取,于是本页面禁止您的操作,推荐使用IE5.0以上可以解决此问题!');
            //window.location.href = '../err.html';

        }
        return xmlDoc;
    };
    
    DMTool.getDMXML = function (cid) {
        var xmlDoc = DMTool.CheckXMLDocObj("https://comment.bilibili.com/" + cid + ".xml");// 
        var nodes = xmlDoc.getElementsByTagName('d');
        var dmlist = [];
        var usermap=[]; 
        var userdmList=[]; 
        for (var i = 0; i < nodes.length; i++) {
            var pp = nodes[i].getAttribute('p').split(',');
            var dm = {
              //  color: parseInt(pp[3]), 
              //  fontsize: parseInt(pp[2]),
              //  mode: parseInt(pp[1]),//dm location
                msg: nodes[i].innerHTML, 
                userid_hash: ''+pp[6],
                userid:-1,
               // pool: parseInt(pp[5]),//pool=0
               // progress: parseInt(parseFloat(pp[0]) * 1000),//time
            };
            dmlist.push(dm);
        } 
        function compare(val1,val2){
            return val2.length-val1.length;
        }
       // user_dm_count.sort();
        //user_dm_list=user_dm_list.sort(compare);
        return {dmlist:dmlist};
    };  
    DMTool.UIInit = function () {
        $("body").append("<div id='dmby'><div style='clear:left;text-align:center'><label>当前视频CID:</label><label id='curcid'></label></div><div style='clear:left;text-align:center'></div><button id='btn_dmtj'>显示统计信息</button></div>");
        $("body").append("<style>#btn_dmby{display:block;width:100px;height:32px;text-align:center;clear:left;}#dmby{border:1px blue solid;position:fixed;left:0px;top:50%;z-index:999;}</style>");
        $("#btn_dmtj").click(function () { 
            var Total=DMTool.getDMXML(cid);
            console.log(Total);
        });
        if (window.__INITIAL_STATE__)
            console.log(window.__INITIAL_STATE__);
        if ("undefined" == typeof cid) {

        } else {

            $("#curcid").html(cid);
          
        }
    };
    DMTool.UI_Ad_Erase = function () {
        $(".ad-f").hide();
        $(".v_small").hide();
        $("#arc_toolbar_report").hide();
        $("#recommend_report").hide();
        $(".reply-notice").hide();
    }; 
    $(function () {
        $.support.cors = true; 
        DMTool.UI_Ad_Erase();
        DMTool.UIInit();
    });
})();