rename getFirst and getLast to front,back.

QList, std::vector etc. has front and back so this changes will reduce refactoring effort.

.gitignore

@@ -56,3 +56,4 @@ __pycache__
 .vscode/launch.json
 .vscode/settings.json
 .vscode/tasks.json
+/cmake-build-debug/

qucs/components/DLS_1ton.cpp

@@ -30,7 +30,7 @@ DLS_1ton::DLS_1ton()
 Component * DLS_1ton::newOne()
 {
   DLS_1ton * p = new DLS_1ton();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/DLS_nto1.cpp

@@ -31,7 +31,7 @@ DLS_nto1::DLS_nto1()
 Component * DLS_nto1::newOne()
 {
   DLS_nto1 * p = new DLS_nto1();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/MESFET.cpp

@@ -162,7 +162,7 @@ MESFET::MESFET()
 Component * MESFET::newOne()
 {
   MESFET * p = new MESFET();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/andor4x2.cpp

@@ -40,7 +40,7 @@ andor4x2::andor4x2()
 Component * andor4x2::newOne()
 {
   andor4x2 * p = new andor4x2();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/andor4x3.cpp

@@ -40,7 +40,7 @@ andor4x3::andor4x3()
 Component * andor4x3::newOne()
 {
   andor4x3 * p = new andor4x3();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/andor4x4.cpp

@@ -41,7 +41,7 @@ andor4x4::andor4x4()
 Component * andor4x4::newOne()
 {
   andor4x4 * p = new andor4x4();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/binarytogrey4bit.cpp

@@ -41,7 +41,7 @@ binarytogrey4bit::binarytogrey4bit()
 Component * binarytogrey4bit::newOne()
 {
   binarytogrey4bit * p = new binarytogrey4bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/bjt.cpp

@@ -37,7 +37,7 @@ BJT::BJT()
 Component* BJT::newOne()
 {
   BJT* p = new BJT();
-  p->Props.getFirst()->Value = Props.getFirst()->Value;
+  p->Props.front()->Value = Props.front()->Value;
   p->recreate(0);
   return p;
 }
@@ -85,7 +85,7 @@ Element* BJT::info_pnp(QString& Name, char* &BitmapFile, bool getNewOne)
 
   if(getNewOne) {
     BJT* p = new BJT();
-    p->Props.getFirst()->Value = "pnp";
+    p->Props.front()->Value = "pnp";
     p->recreate(0);
     return p;
   }
@@ -102,7 +102,7 @@ void BJT::createSymbol()
   Lines.append(new qucs::Line(-10,  5,  0, 15,QPen(Qt::darkBlue,2)));
   Lines.append(new qucs::Line(  0, 15,  0, 30,QPen(Qt::darkBlue,2)));
 
-  if(Props.getFirst()->Value == "npn") {
+  if(Props.front()->Value == "npn") {
     Lines.append(new qucs::Line( -6, 15,  0, 15,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line(  0,  9,  0, 15,QPen(Qt::darkBlue,2)));
   }

qucs/components/bjtsub.cpp

@@ -138,7 +138,7 @@ BJTsub::BJTsub()
 Component* BJTsub::newOne()
 {
   BJTsub* p = new BJTsub();
-  p->Props.getFirst()->Value = Props.getFirst()->Value;
+  p->Props.front()->Value = Props.front()->Value;
   p->recreate(0);
   return p;
 }
@@ -161,7 +161,7 @@ Element* BJTsub::info_pnp(QString& Name, char* &BitmapFile, bool getNewOne)
 
   if(getNewOne) {
     BJTsub* p = new BJTsub();
-    p->Props.getFirst()->Value = "pnp";
+    p->Props.front()->Value = "pnp";
     p->recreate(0);
     return p;
   }
@@ -181,7 +181,7 @@ void BJTsub::createSymbol()
   Lines.append(new qucs::Line(  9,  0, 30,  0,QPen(Qt::darkBlue,2)));
   Lines.append(new qucs::Line(  9, -7,  9,  7,QPen(Qt::darkBlue,3)));
 
-  if(Props.getFirst()->Value == "npn") {
+  if(Props.front()->Value == "npn") {
     Lines.append(new qucs::Line( -6, 15,  0, 15,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line(  0,  9,  0, 15,QPen(Qt::darkBlue,2)));
   }

qucs/components/capacitor.cpp

@@ -87,7 +87,7 @@ QString Capacitor::va_code()
 
 void Capacitor::createSymbol()
 {
-  if(Props.getLast()->Value.at(0) == 'n') {
+  if(Props.back()->Value.at(0) == 'n') {
     Lines.append(new qucs::Line( -4,-11, -4, 11,QPen(Qt::darkBlue,4)));
     Lines.append(new qucs::Line(  4,-11,  4, 11,QPen(Qt::darkBlue,4)));
   }

qucs/components/comp_1bit.cpp

@@ -41,7 +41,7 @@ comp_1bit::comp_1bit()
 Component * comp_1bit::newOne()
 {
   comp_1bit * p = new comp_1bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/comp_2bit.cpp

@@ -40,7 +40,7 @@ comp_2bit::comp_2bit()
 Component * comp_2bit::newOne()
 {
   comp_2bit * p = new comp_2bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/comp_4bit.cpp

@@ -40,7 +40,7 @@ comp_4bit::comp_4bit()
 Component * comp_4bit::newOne()
 {
   comp_4bit * p = new comp_4bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/component.cpp

@@ -1106,7 +1106,7 @@ bool Component::load(const QString &_s) {
         if (z == 6)
             if (counts == 6)     // backward compatible
                 if (Model == "R") {
-                    Props.getLast()->Value = n;
+                    Props.back()->Value = n;
                     return true;
                 }
         p1->Value = n;
@@ -1653,10 +1653,10 @@ QString GateComponent::verilogCode(int NumPorts) {
 
 // -------------------------------------------------------
 void GateComponent::createSymbol() {
-    int Num = Props.getFirst()->Value.toInt();
+    int Num = Props.front()->Value.toInt();
     if (Num < 2) Num = 2;
     else if (Num > 8) Num = 8;
-    Props.getFirst()->Value = QString::number(Num);
+    Props.front()->Value = QString::number(Num);
 
     int xl, xr, y = 10 * Num, z;
     x1 = -30;
@@ -1670,7 +1670,7 @@ void GateComponent::createSymbol() {
     z = 0;
     if (Model.at(0) == 'N') z = 1;
 
-    if (Props.getLast()->Value.at(0) == 'D') {  // DIN symbol
+    if (Props.back()->Value.at(0) == 'D') {  // DIN symbol
         xl = -15;
         xr = 15;
         Lines.append(new qucs::Line(15, -y, 15, y, QPen(Qt::darkBlue, 2)));
@@ -1764,7 +1764,7 @@ Component *getComponentFromName(QString &Line, Schematic *p) {
     else if (cstr.left(6) == "SPfile" && cstr != "SPfile") {
         // backward compatible
         c = new SParamFile();
-        c->Props.getLast()->Value = cstr.mid(6);
+        c->Props.back()->Value = cstr.mid(6);
     } else
         c = Module::getComponent(cstr);
 

qucs/components/dff_SR.cpp

@@ -44,7 +44,7 @@ dff_SR::dff_SR()
 Component * dff_SR::newOne()
 {
   dff_SR * p = new dff_SR();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/digi_source.cpp

@@ -177,7 +177,7 @@ QString Digi_Source::verilogCode(int NumPorts)
     }
   }
   else {  // truth table simulation
-    int Num = Props.getFirst()->Value.toInt() - 1;    
+    int Num = Props.front()->Value.toInt() - 1;    
     s += "  always begin\n";
     s += "    " + r + " = 0;\n";
     s += "    #"+ QString::number(1 << Num) + ";\n";

qucs/components/diode.cpp

@@ -167,12 +167,12 @@ Element* Diode::info(QString& Name, char* &BitmapFile, bool getNewOne)
 // -------------------------------------------------------
 void Diode::createSymbol()
 {
-  if(Props.getLast()->Value.at(0) == 'V') {
+  if(Props.back()->Value.at(0) == 'V') {
     Lines.append(new qucs::Line(-30,  0, -9,  0,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line( -6,  0, 30,  0,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line( -9, -9, -9,  9,QPen(Qt::darkBlue,2)));
   }
-  else if(Props.getLast()->Value.at(0) == 'U') {
+  else if(Props.back()->Value.at(0) == 'U') {
     Lines.append(new qucs::Line(-30,  0, -6,  0,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line(  6,  0, 30,  0,QPen(Qt::darkBlue,2)));
   }
@@ -184,11 +184,11 @@ void Diode::createSymbol()
   Lines.append(new qucs::Line( -6,  0,  6, -9,QPen(Qt::darkBlue,2)));
   Lines.append(new qucs::Line( -6,  0,  6,  9,QPen(Qt::darkBlue,2)));
 
-  if(Props.getLast()->Value.at(0) == 'S') {
+  if(Props.back()->Value.at(0) == 'S') {
     Lines.append(new qucs::Line( -6, -9,-12,-12,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line( -6,  9,  0, 12,QPen(Qt::darkBlue,2)));
   }
-  else if(Props.getLast()->Value.at(0) == 'Z') {
+  else if(Props.back()->Value.at(0) == 'Z') {
     Lines.append(new qucs::Line( -6, 9, -1, 9,QPen(Qt::darkBlue,2)));
   }
 

qucs/components/dmux2to4.cpp

@@ -40,7 +40,7 @@ dmux2to4::dmux2to4()
 Component * dmux2to4::newOne()
 {
   dmux2to4 * p = new dmux2to4();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/dmux3to8.cpp

@@ -41,7 +41,7 @@ dmux3to8::dmux3to8()
 Component * dmux3to8::newOne()
 {
   dmux3to8 * p = new dmux3to8();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/dmux4to16.cpp

@@ -40,7 +40,7 @@ dmux4to16::dmux4to16()
 Component * dmux4to16::newOne()
 {
   dmux4to16 * p = new dmux4to16();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/fa1b.cpp

@@ -40,7 +40,7 @@ fa1b::fa1b()
 Component * fa1b::newOne()
 {
   fa1b * p = new fa1b();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/fa2b.cpp

@@ -41,7 +41,7 @@ fa2b::fa2b()
 Component * fa2b::newOne()
 {
   fa2b * p = new fa2b();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/gatedDlatch.cpp

@@ -42,7 +42,7 @@ gatedDlatch::gatedDlatch()
 Component * gatedDlatch::newOne()
 {
   gatedDlatch * p = new gatedDlatch();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/greytobinary4bit.cpp

@@ -41,7 +41,7 @@ greytobinary4bit::greytobinary4bit()
 Component * greytobinary4bit::newOne()
 {
   greytobinary4bit * p = new greytobinary4bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/ha1b.cpp

@@ -40,7 +40,7 @@ ha1b::ha1b()
 Component * ha1b::newOne()
 {
   ha1b * p = new ha1b();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/hpribin4bit.cpp

@@ -40,7 +40,7 @@ hpribin4bit::hpribin4bit()
 Component * hpribin4bit::newOne()
 {
   hpribin4bit * p = new hpribin4bit();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/ifile.cpp

@@ -86,7 +86,7 @@ Element* iFile::info(QString& Name, char* &BitmapFile, bool getNewOne)
 QString iFile::getSubcircuitFile()
 {
   // construct full filename
-  QString FileName = Props.getFirst()->Value;
+  QString FileName = Props.front()->Value;
   return misc::properAbsFileName(FileName);
 }
 

qucs/components/jfet.cpp

@@ -87,7 +87,7 @@ JFET::JFET() {
 Component* JFET::newOne()
 {
   JFET* p = new JFET();
-  p->Props.getFirst()->Value = Props.getFirst()->Value;
+  p->Props.front()->Value = Props.front()->Value;
   p->recreate(0);
   return p;
 }
@@ -147,7 +147,7 @@ Element* JFET::info_p(QString& Name, char* &BitmapFile, bool getNewOne)
 
   if(getNewOne) {
     JFET* p = new JFET();
-    p->Props.getFirst()->Value = "pfet";
+    p->Props.front()->Value = "pfet";
     p->recreate(0);
     return p;
   }
@@ -166,7 +166,7 @@ void JFET::createSymbol()
 
   Lines.append(new qucs::Line( -4, 24,  4, 20,QPen(Qt::darkBlue,2)));
 
-  if(Props.getFirst()->Value == "nfet") {
+  if(Props.front()->Value == "nfet") {
     Lines.append(new qucs::Line(-16, -5,-11,  0,QPen(Qt::darkBlue,2)));
     Lines.append(new qucs::Line(-16,  5,-11,  0,QPen(Qt::darkBlue,2)));
   }

qucs/components/jkff_SR.cpp

@@ -44,7 +44,7 @@ jkff_SR::jkff_SR()
 Component * jkff_SR::newOne()
 {
   jkff_SR * p = new jkff_SR();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/log_amp.cpp

@@ -75,7 +75,7 @@ log_amp::log_amp()
 Component * log_amp::newOne()
 {
   log_amp * p = new log_amp();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/logic_0.cpp

@@ -38,7 +38,7 @@ logic_0::logic_0()
 Component * logic_0::newOne()
 {
   logic_0 * p = new logic_0();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;
 }

qucs/components/logic_1.cpp

@@ -37,7 +37,7 @@ logic_1::logic_1()
 Component * logic_1::newOne()
 {
   logic_1 * p = new logic_1();
-  p->Props.getFirst()->Value = Props.getFirst()->Value; 
+  p->Props.front()->Value = Props.front()->Value; 
   p->recreate(0); 
   return p;