Initial commit. Created basic project structure, begun creating a cmake config and implemented the start of a command line argument parser

.gitignore

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+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5.2)
+# Set the project name
+project (concatenator)
+
+set(Boost_USE_STATIC_LIBS OFF) 
+set(Boost_USE_MULTITHREADED ON)  
+set(Boost_USE_STATIC_RUNTIME OFF) 
+find_package(Boost 1.60.0 COMPONENTS program_options) 
+
+
+# Set build flags
+set(CMAKE_CXX_FLAGS "-g -Wall")
+# Set cmake to output executable to the bin directory
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+include_directories(include)
+
+# Find all the source fies in the src directory
+file(GLOB SOURCES "src/*.cpp")
+
+# Build the executable from the source files found
+if(Boost_FOUND)
+    include_directories(${Boost_INCLUDE_DIRS}) 
+    add_executable(concatenator ${SOURCES})
+    target_link_libraries(concatenator ${Boost_LIBRARIES})
+endif()

include/argument_parser.h

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+#include <iostream>
+#include "boost/program_options.hpp"
+
+namespace po = boost::program_options;
+
+class ArgumentParser {
+    public:
+        ArgumentParser();
+        ~ArgumentParser() {};
+        ArgumentParser(const ArgumentParser&);
+        ArgumentParser& operator=(const ArgumentParser&);
+        int parseargs(int argc, char** argv);
+    
+    private:
+        //Create a positional options object for parsing input, output etc
+        //positional arguments from command line.
+        po::positional_options_description positionalOptions; 
+        //
+        po::variables_map vm;
+        po::options_description desc;
+};

src/argument_parser.cpp

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+#include "argument_parser.h"
+#include <iostream>
+
+using namespace std;
+
+ArgumentParser::ArgumentParser() : desc("Allowed options") {
+    positionalOptions.add("input_db", 1); 
+    positionalOptions.add("output_db", 1); 
+
+    
+    desc.add_options()
+        ("help,h", "produce help message")
+        ("compression", po::value<int>(), "set compression level")
+    ;
+}
+
+int ArgumentParser::parseargs(int argc, char** argv) {
+    po::store(po::command_line_parser(argc, argv).options(desc).positional(positionalOptions).run(), vm);
+    po::notify(vm);  
+
+    // If help option is specified then output help message
+    if (vm.count("help")) {
+        cout << desc << "\n";
+        return 1;
+    }
+    return 0;
+}

src/concatenator.cpp

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+#include <iostream>
+#include "argument_parser.h"
+
+using namespace std;
+
+int main(int argc, char** argv) {
+
+    // Declare the supported options.
+    ArgumentParser argparse = ArgumentParser();
+    argparse.parseargs(argc, argv);
+    cout << "Hello world!" << endl;
+    return 0;
+}