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#include "FITKAbstractTextReader.h"
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#include <QFile>
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#include <QTextStream>
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#include <QDebug>
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#include <thread>
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namespace Interface
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{
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bool FITKAbstractTextReader::loadFile()
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{
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QFile f(_fileName);
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//文件存在性
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if (f.exists() && f.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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while (true)
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{
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//支持两种换行符
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QByteArray context = f.readAll();
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_totalContext = context.split('\n');
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_totalLine = _totalContext.size();
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if (_totalLine > 2) break;
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_totalContext = context.split('\r\n');
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_totalLine = _totalContext.size();
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break;
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}
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}
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f.close();
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//分割失败
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if (_totalLine < 2) return false;
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return true;
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}
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QString FITKAbstractTextReader::readLine()
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{
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return this->getLine(_currentLine++);
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}
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void FITKAbstractTextReader::sendCurrentPercent(int p /*= -1*/)
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{
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static int recordP = -1;
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if (p < 0)
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{
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//计算百分比
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const float pro = _currentLine / (float)_totalLine;
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p = pro * 100;
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}
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//避免闪烁不显示进度条
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if (p == recordP) return;
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recordP = p;
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//完成后等待主线程2秒
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if (p == 100) std::this_thread::sleep_for(std::chrono::seconds(2));
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emit sendProcessSig(this, p);
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}
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void FITKAbstractTextReader::backLine()
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{
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//回退行
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--_currentLine;
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if (_currentLine < 0) _currentLine = 0;
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}
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QString FITKAbstractTextReader::nextLine()
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{
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return this->getLine(_currentLine + 1);
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}
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QString FITKAbstractTextReader::previousLine()
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{
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return this->getLine(_currentLine - 1);
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}
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bool FITKAbstractTextReader::atEnd()
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{
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//结束判断
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return _currentLine >= _totalLine;
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}
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int FITKAbstractTextReader::getCurrentLineNum()
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{
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//当前行号，从1开始
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return _currentLine + 1;
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}
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QString FITKAbstractTextReader::getCurrentLine()
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{
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return this->getLine(_currentLine);
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}
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QString FITKAbstractTextReader::getLine(int index)
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{
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//获取行
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if (index < 0 || index >= _totalLine)
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return QString();
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return _totalContext[index];
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}
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}
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