直播短視訊源碼，實作文本替換

直播短視訊源碼，實作文本替換相關的代碼

#include <stdio.h>
#include <string>
#include <regex>
#include <fstream>
#include <iostream>
#include <set>
using namespace std;
//    ? 與 {0,1}:0個或1個前面的内容 或 前面的内容是可選的
//    * 與 {0,} : 0 個或多個前面的内容
//    + 與 {1,}: 1 個或多個前面的内容

void mtRW(string basePath,string dirName,string strReplace){
    string path = basePath+dirName+".vmoptions";
    string pathBak=basePath+dirName+".vmoptions.bak";
    string pathRe = basePath+dirName+".vmoptions-Re";
    string cmd1="gedit "+string(path);
    string cmd2="gedit "+string(pathBak);
    regex patternTempRe("^-javaagent:/home/jl73/.jetbrains/jetbrains-agent-v3.2.0.0f1f.69e=(.*)");
    string temp;
    string temp2="";
    set<string> chs;
    set<string>::iterator it;
//    regex patternSet("[^A-Za-z0-9 \\t]");
    regex patternSet("[^A-Za-z0-9 \\t\\\\]");
    smatch resultTempRe,resultSet;
    string strTempRe;

    ifstream rf(path);
    if(!rf){
        cout<<"read xxx"<<endl;
    }
    ofstream wfBak(pathBak);
    if(!wfBak){
        cout << "bak xxx" << endl;
    }
    while(getline(rf,temp)){
        wfBak<<temp<<endl;
        if(regex_match(temp,resultTempRe,patternTempRe)) {
            strTempRe=string(resultTempRe[1]);
            string::const_iterator iterStart = strTempRe.begin();
            string::const_iterator iterEnd = strTempRe.end();
            string tmp;
            while (regex_search(iterStart, iterEnd, resultSet, patternSet)) {
                tmp = resultSet[0];
                chs.insert((string)tmp);
                iterStart = resultSet[0].second;    //更新搜尋起始位置,搜尋剩下的字元串
            }
//            chs.erase("\\");
            strTempRe = regex_replace(strTempRe, regex("\\\\"), "\\\\");
            for (auto ch:chs) {
                strTempRe = regex_replace(strTempRe, regex("\\" + ch), "\\" + ch);
            }
            temp2=temp2+regex_replace(temp,regex(strTempRe),strReplace)+"\n";
        }
        else{
            temp2=temp2+temp+'\n';
        }
    }
    rf.close();
    wfBak.close();

//    ofstream wf(path);
    ofstream wf(pathRe);
    if(!wf){
        cout<<"write xxx"<<endl;
    }
    wf<<temp2;
    wf.close();
//    system(cmd1.c_str());
//    system(cmd2.c_str());
    cout << dirName <<"\treplace done"<< endl;
}

int main(int argc,const char *argv[]){
//    if(argc!=2){
//        perror("argc=2");
//        exit(1);
//    }
//    string basePath="/home/jl73/.config/JetBrains/";
    string basePath="/home/jl73/7-tmp/";
    string dirNames[]={"CLion2020.2/clion","GoLand2020.2/goland","IntelliJIdea2020.2/idea","PyCharm2020.2/pycharm"};
//    string strReplace="12`!@#%&-_=:|}].;\"'<>/\\\\\\\\<>. \\$^*()+{}[]|?`, /!@#%&-_=:;\"'<>.";
    string strReplace;
    ifstream rf(basePath+"str");
    if(!rf){
        cout<<"read xxx"<<endl;
    }
    getline(rf,strReplace);
//    cout << strReplace << endl;
    for (auto dirName  :dirNames ) {
        mtRW(basePath,dirName,strReplace);
//        mtRW(basePath,dirName,argv[1]);
    }
    return 0;
}
           

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