Add srt parser to model

src/bin/model/subtitlemodel.cpp

+#include "subtitlemodel.hpp"
+#include "core.h"
+#include "project/projectmanager.h"
+
+
+SubtitleModel::SubtitleModel(std::weak_ptr<DocUndoStack> undo_stack, QObject *parent)
+    : QAbstractListModel(parent)
+{
+
+}
+
+std::shared_ptr<SubtitleModel> SubtitleModel::getModel()
+{
+    return pCore->projectManager()->getSubtitleModel();
+}
+void SubtitleModel::parseSubtitle()
+{
+    //QModelIndex index;
+    //int paramName = m_model->data(index, AssetParameterModel::NameRole).toInt();
+    
+    //QString filePath(m_asset->get(paramName.toUtf8().constData()));
+
+    QString filePath= "path_to_srt_file.srt";
+    QString start,end,comment;
+    GenTime startPos, endPos;
+    QString timeLine;
+    int index =0, turn = 0,r =0;
+    /*
+     * turn = 0 -> Add subtitle number
+     * turn = 1 -> Add string to timeLine
+     * turn > 1 -> Add string to completeLine
+     */
+    if (filePath.isEmpty())
+        return;
+    if (filePath.contains(".srt"))
+        qDebug()<< "srt File";
+    QFile srtFile(filePath);
+          
+    if (!srtFile.exists() && !srtFile.open(QIODevice::ReadOnly)){
+        qDebug() << " File not found " << filePath;
+        return;
+    }
+    { //parsing srt file
+        QTextStream stream(&srtFile);
+        QString line;
+        while (stream.readLineInto(&line)) {
+            line = line.simplified();
+            
+            
+	        if (line.compare(""))
+	        {
+	            if(!turn)
+	            {
+	                index=atoi(line.toStdString().c_str());
+	                turn++;
+	                continue;
+	            }
+
+	            if (line.contains("-->"))
+	            {
+	                timeLine += line;
+	                
+	                QStringList srtTime;
+	                srtTime = timeLine.split(' ');
+	                start = srtTime[0];
+	                startPos= stringtoTime(start);
+	                end = srtTime[2];
+	                startPos= stringtoTime(start);
+
+	            }
+	            else
+	            {
+	                r++;
+	                if (comment != "")
+	                    comment += " ";
+	                if(r == 1) // only one line
+	                    comment += line;
+	                else
+	                    comment = comment + "\r" +line;
+	            }
+
+	            turn++;
+	        }
+	        else
+            {
+                addSubtitle(index,startPos,endPos,comment);
+                //reinitialize
+                comment = timeLine = "";
+                turn = 0; r = 0;
+            }
+	    }
+        
+    }
+   
+}
+
+GenTime SubtitleModel::stringtoTime(QString str)
+{
+    QStringList total,secs;
+    int hours=0, mins=0, seconds=0, ms=0;
+    double total_sec=0;
+    total = str.split(':');
+    hours = atoi(total[0].toStdString().c_str());
+    mins = atoi(total[1].toStdString().c_str());
+
+    secs = total[2].split(',');
+    seconds = atoi(secs[0].toStdString().c_str());
+    ms = atoi(secs[1].toStdString().c_str());
+    total_sec= hours *3600 + mins *60 + seconds + ms * 0.001 ;
+    GenTime pos= *new GenTime(total_sec);
+    return pos;
+}
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src/bin/model/subtitlemodel.hpp

+#ifndef SUBTITLEMODEL_HPP
+#define SUBTITLEMODEL_HPP
+
+#include "definitions.h"
+#include "gentime.h"
+#include "undohelper.hpp"
+
+#include <QAbstractListModel>
+#include <QReadWriteLock>
+
+#include <array>
+#include <map>
+#include <memory>
+#include <mlt++/MltProperties.h>
+
+class DocUndoStack;
+class AssetParameterModel;
+
+/* @brief This class is the model for a list of subtitles.
+*/
+
+class SubtitleModel:public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    /* @brief Construct a subtitle list bound to the timeline */
+    SubtitleModel(std::weak_ptr<DocUndoStack> undo_stack, QObject *parent = nullptr);
+    
+    /** @brief Function that parses through a subtitle file */ 
+    void parseSubtitle();
+    void addSubtitle(int ix,GenTime start,GenTime end, QString str);
+    GenTime stringtoTime(QString str);
+
+private:
+    std::weak_ptr<DocUndoStack> m_undoStack;
+    std::map<GenTime, std::pair<QString, GenTime>> m_subtitleList;
+    //To get subtitle file from effects parameter:
+    //std::unique_ptr<Mlt::Properties> m_asset;
+    //std::shared_ptr<AssetParameterModel> m_model;
+
+};
+Q_DECLARE_METATYPE(SubtitleModel *)
+#endif // SUBTITLEMODEL_HPP
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