#include "regexextract.h"
#include <iostream>
RegexExtract::RegexExtract()
{
}



bool RegexExtract::endsWith(const QString& line,const QString& eleName)
{
    QString t=line.trimmed();
    return t.startsWith(QString("</cim:")+eleName+QString(">"));

}

void RegexExtract::exportBlocks(const QString& path)
{
    QFile file(path);
    std::cout<<"writing..."<<std::endl;
    if(file.open(QFile::WriteOnly))
    {
        QTextStream writer(&file);
        for(QStringList::iterator ite=this->blocks.begin();
            ite!=this->blocks.end();
            ite++)
        {
            writer<<*ite;
        }
        file.close();
    }
}

bool RegexExtract::extract(const QString& xmlPath)
{
    QFile file(xmlPath);
    QString line;
    QString block;
    bool isInner=false;
    int lineNum=0;
    if(file.open(QFile::ReadOnly))
    {
        QTextStream reader(&file);
        while(!reader.atEnd())
        {
            line=reader.readLine();
            lineNum++;
            if(lineNum%100000==0)
            {
                std::cout<<lineNum<<std::endl;
            }
//            std::cout<<line.toStdString()<<std::endl;
            if(!isInner && this->startsWith(line,"SynchronousMachine"))
            {
                block="";
                isInner=true;
            }
            if(isInner)
            {
                block=block+line+QString("\n");
            }
            if(isInner && this->endsWith(line,"SynchronousMachine"))
            {
                isInner=false;
                this->blocks.push_back(block);
//                std::cout<<block.toStdString()<<std::endl;
            }

        }

        file.close();
    }
    return true;
}


bool RegexExtract::startsWith(const QString& line,const QString& eleName)
{
    QString t=line.trimmed();
    return t.startsWith(QString("<cim:")+eleName+QString(" "));

}