less exits, more exceptions

Attractor.cpp

@@ -7,10 +7,7 @@
 #include "AttractorKernel.hpp"
 #include "Projector.hpp"
 
-Attractor::Attractor()
-	: projector(0)
-	, kernel(0)
-	{
+void Attractor::generate_random(){
 	stfu::node kernel_node;
 	switch(rand()%2+1){
 	case 0:

Attractor.hpp

@@ -14,24 +14,24 @@ public:
 	// should be private really
 	Projector* projector;
 
-	Attractor(const std::string& filename)
+	Attractor(const std::string& filename = "")
 	: projector(0)
 	, kernel(0)
 	{
-		LogInfo("Reading file '%s'...\n", filename.c_str());
+		if (filename == "") {
+			LogInfo("Making random attractor\n");
+			generate_random();
+		} else {
+			LogInfo("Reading file '%s'\n", filename.c_str());
 
-		stfu::node system;
-		if(!system.read(filename.c_str())){
-			std::cerr << "Couldn't open file (" << filename << ") for reading\n";
-			exit(-1);
-		}
+			stfu::node system;
+			if(!system.read(filename.c_str())) throw std::runtime_error(filename + " could not be opened");
 
-		kernel = AttractorKernel::createAttractorKernel(system.getChild("AttractorKernel"));
-		projector = Projector::createProjector(system.getChild(system.getValue("Projector")), kernel->getDimension());
+			kernel = AttractorKernel::createAttractorKernel(system.getChild("AttractorKernel"));
+			projector = Projector::createProjector(system.getChild(system.getValue("Projector")), kernel->getDimension());
+		}
 	}
 
-	Attractor();
-
 	~Attractor() {
 		delete kernel;
 	}
@@ -79,6 +79,8 @@ public:
 	friend std::ostream& operator<<(std::ostream& os, Attractor const&  x);
 
 private:
+	void generate_random();
+	
 	AttractorKernel* kernel;
 	
 	Attractor(Attractor const &);

AwesomeAttract0r.xcodeproj/project.pbxproj

@@ -62,7 +62,7 @@
 		427057A81475637B00CBE978 /* ImageFormatBMP.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = ImageFormatBMP.hpp; sourceTree = "<group>"; };
 		427057A91475637B00CBE978 /* ImageFormatPNG.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = ImageFormatPNG.hpp; sourceTree = "<group>"; };
 		427057AB1475637B00CBE978 /* Tonemapper.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Tonemapper.hpp; sourceTree = "<group>"; };
-		427057AC1475654E00CBE978 /* array.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = array.hpp; sourceTree = "<group>"; };
+		427057AC1475654E00CBE978 /* array.hpp */ = {isa = PBXFileReference; fileEncoding = 4; path = array.hpp; sourceTree = "<group>"; };
 		427057AD147571FC00CBE978 /* libboost_program_options.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libboost_program_options.a; path = ../../../../../usr/local/lib/libboost_program_options.a; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -235,7 +235,6 @@
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				GCC_AUTO_VECTORIZATION = YES;
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DEBUGGING_SYMBOLS = full;
 				GCC_FAST_MATH = YES;
 				GCC_OPTIMIZATION_LEVEL = 3;
@@ -283,7 +282,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				HEADER_SEARCH_PATHS = /usr/local/include;
 				LIBRARY_SEARCH_PATHS = "/usr/local/lib//**";

array.hpp

@@ -13,6 +13,7 @@
 
 #ifndef __APPLE__
 #include <array>
+#include <memory>
 #else
 #include <tr1/array>
 namespace std {

batch.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-while true; do ./build/Debug/AwesomeAttract0r -P ./render/ -R -I 50 -W 1280 -H 800 -f attractors/emptyUnravel3D.stf; done
+while true; do ./build/Debug/AwesomeAttract0r -P ./render/ -I 50 -W 1280 -H 800 -f attractors/emptyUnravel3D.stf; done

main.cpp

@@ -40,14 +40,12 @@ void render(Attractor & myAttractor, Canvas2D & canvas, unsigned int iterations)
 	}
 }
 
-int main(int argc, char* argv[]) {
-	std::string attractorFile;
-	std::string output_path;
-	bool generate_random = false;
+int main(int argc, char* argv[]) try {
+	std::string attractorFile, output_path;
 	unsigned int iterations, width, height;
 	srand(time(0));
 	
-	po::options_description desc("Usage");
+	po::options_description desc("Options");
 	desc.add_options()
 		("help,h", "produce help message")
 		("iterations,I", po::value<unsigned int>(&iterations)->default_value(DEFAULT_ITERATIONS), "set number of iterations (in milions)")
@@ -55,55 +53,33 @@ int main(int argc, char* argv[]) {
 		("height,H", po::value<unsigned int>(&height)->default_value(DEFAULT_HEIGHT), "height of output image")
 		("input-file,f", po::value<std::string>(&attractorFile)->default_value(""), "attractor file to read")
 		("output-path,P", po::value<std::string>(&output_path)->default_value("render/"), "path to output image")
-		("random,R", "use random parameters")
 	;
 	
 	po::variables_map vm;
-	try {
-		po::store(po::parse_command_line(argc, argv, desc), vm);
-		po::notify(vm);
-	} catch(std::exception & e) {
-		std::cout << "Failed to read commandline: " << e.what() << std::endl;
-		std::cout << desc << std::endl;
-		return 1;
-	}
+	po::store(po::parse_command_line(argc, argv, desc), vm);
+	po::notify(vm);
 	
 	if (vm.count("help") || argc <= 1) {
 		std::cout << desc << std::endl;
 		return 1;
 	}
 	
-	if(vm.count("random"))	generate_random = true;
-	
 	std::string filename = output_path + generate_filename();
 	
 	Logger logger(LOG_VERBOSE, std::cout);
 	Canvas2D canvas(width, height);
 	{
-		Attractor* my_attractor_ptr = 0;
-		if(attractorFile != "")
-			my_attractor_ptr = new Attractor(attractorFile);
-		else if(generate_random)
-			my_attractor_ptr = new Attractor();
-		
-		if(my_attractor_ptr == 0){
-			LogError("Nothing todo\n");
-			exit(0);
-		}
+		Attractor my_attractor(attractorFile);
 
-		my_attractor_ptr->init_range();
+		my_attractor.init_range();
 		
 		logger.start("rendering");
-		render(*my_attractor_ptr, canvas, iterations);
+		render(my_attractor, canvas, iterations);
 		logger.stop();
 		
-		{
-			std::string path(filename + ".stf");
-			std::ofstream file(path.c_str());
-			file << my_attractor_ptr->stf_output() << std::endl;
-		}
-		
-		delete my_attractor_ptr;
+		std::string path(filename + ".stf");
+		std::ofstream file(path.c_str());
+		file << my_attractor.stf_output() << std::endl;
 	}
 
 	{
@@ -115,6 +91,8 @@ int main(int argc, char* argv[]) {
 		tonemapper.process(canvas, image);
 		logger.stop();
 	}
+} catch (std::exception & e) {
+	std::cout << "Terminated because of: " << e.what() << std::endl;
 }