package com.auto.lyric.data;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.List;
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import java.util.TreeMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* Created by Runt (qingingrunt2010@qq.com) on 2022/5/4.
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*/
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public class LyricServer {
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// key 时间戳 ， obj 歌词
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private static TreeMap<Integer, LyricObject> lrc_map = new TreeMap<>();
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public static TreeMap<Integer, LyricObject> getLrc_map() {
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return lrc_map;
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}
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/**
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* 读取歌词文件
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* @param file 歌词的路径
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*
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*/
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public static void read(String file) {
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TreeMap<Integer, LyricObject> lrc_read =new TreeMap<Integer, LyricObject>();
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String data = "";
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try {
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File saveFile=new File(file);
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// System.out.println("是否有歌词文件"+saveFile.isFile());
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if(!saveFile.isFile()){
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return;
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}
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//System.out.println("bllrc==="+blLrc);
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FileInputStream stream = new FileInputStream(saveFile);// context.openFileInput(file);
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BufferedReader br = new BufferedReader(new InputStreamReader(stream,"GB2312"));
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while ((data = br.readLine()) != null) {
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readText(data,lrc_read);
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}
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stream.close();
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} catch (FileNotFoundException e) {
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} catch (IOException e) {
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}
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data ="";
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initLrc(lrc_read);
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}
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public static void read(List<String> texts){
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TreeMap<Integer, LyricObject> lrc_read =new TreeMap<Integer, LyricObject>();
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for(String str : texts){
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readText(str,lrc_read);
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}
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initLrc(lrc_read);
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}
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private static void readText(String text,TreeMap<Integer, LyricObject> lrc_read){
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Pattern pattern = Pattern.compile("\\d{2}");
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// System.out.println("++++++++++++>>"+data);
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/*text = text.replace("[","");//将前面的替换成后面的
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text = text.replace("]","@");
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String splitdata[] = text.split("@");//分隔
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String regex = "(?<=\\])";
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Pattern compile = Pattern.compile(regex);
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String[] splitdata = compile.split(text,2);//分隔*/
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int index = text.indexOf("]");
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String[] splitdata;
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if(text.length()-1 == index){
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splitdata = new String[]{text};
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}else{
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splitdata = new String[]{text.substring(0,index),text.substring(index+1)};
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}
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String tmpstr = splitdata[0].replace("[","").replace("]","");
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if(splitdata.length == 1){
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tmpstr = tmpstr.replace(":",".");
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tmpstr = tmpstr.replace(".","@");
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String timedata[] =tmpstr.split("@");
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Matcher matcher = pattern.matcher(timedata[0]);
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if(timedata.length==3 && matcher.matches()){
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int m = Integer.parseInt(timedata[0]); //分
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int s = Integer.parseInt(timedata[1]); //秒
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int ms = Integer.parseInt(timedata[2]); //毫秒
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int currTime = (m*60+s)*1000+ms*10;
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LyricObject item1= new LyricObject();
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item1.begintime = currTime;
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item1.lrc = "";
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lrc_read.put(currTime,item1);
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}
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} else{
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String lrcContenet = splitdata[1];
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tmpstr = tmpstr.replace(":",".");
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tmpstr = tmpstr.replace(".","@");
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String timedata[] =tmpstr.split("@");
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Matcher matcher = pattern.matcher(timedata[0]);
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if(timedata.length==3 && matcher.matches()){
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int m = Integer.parseInt(timedata[0]); //分
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int s = Integer.parseInt(timedata[1]); //秒
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int ms = Integer.parseInt(timedata[2]); //毫秒
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int currTime = (m*60+s)*1000+ms*10;
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LyricObject item1= new LyricObject();
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item1.begintime = currTime;
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item1.lrc = lrcContenet;
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lrc_read.put(currTime,item1);// 将currTime当标签 item1当数据 插入TreeMap里
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}
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}
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}
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/*
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* 遍历hashmap 计算每句歌词所需要的时间
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*/
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private static void initLrc(TreeMap<Integer, LyricObject> lrc_read){
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lrc_map.clear();
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LyricObject oldval = null;
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int i =0;
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for(Integer key : lrc_read.keySet()){
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LyricObject val = lrc_read.get(key);
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if (oldval == null) {
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oldval = val;
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} else {
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LyricObject item1 = oldval;
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item1.timeline = val.begintime-oldval.begintime;
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lrc_map.put(new Integer(i), item1);
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i++;
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oldval = val;
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}
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if (lrc_read.size() > i) {
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lrc_map.put(new Integer(i), val);
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}
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}
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}
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}
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