CPP/Boost/ProgramOptions/Simple - Revision history

Daviddoria at 15:43, 23 January 2011

2011-01-23T15:43:06Z

Daviddoria at 14:46, 23 January 2011

2011-01-23T14:46:27Z

Daviddoria at 20:06, 28 June 2010

2010-06-28T20:06:05Z

Daviddoria: Created page with '==Simple.cpp== #include #include #include #include #include namespace po = boost::program_…'

2010-06-28T20:05:55Z

Created page with '==Simple.cpp== <source land="cpp"> #include <iostream> #include <vector> #include <cstdlib> #include <cmath> #include <boost/program_options.hpp> namespace po = boost::program_…'

New page

==Simple.cpp==
<source land="cpp">
#include <iostream>
#include <vector>
#include <cstdlib>

#include <cmath>
#include <boost/program_options.hpp>

namespace po = boost::program_options;

int main(int argc, char* argv[])
{
int compression;
std::vector<std::string> FileList;

std::vector<std::vector<std::string> > Lists(2);

po::options_description desc("Allowed options");
desc.add_options()
("help", "produce help message")
("compression", po::value<int>(&compression)->default_value(5), "set compression level") //automatically assign to a variable

("size", po::value<double>()->default_value(10), "set size") //use a default value
("FileList", po::value<std::vector<std::string> >(&FileList)->multitoken(), "List of files.") //multiple values
("NumberList,N", po::value<std::vector<int> >()->multitoken(), "List of numbers.")//lets you use --NumberList or -N
("List0", po::value<std::vector<std::string> >(&Lists[0])->multitoken(), "List0.")
("List1", po::value<std::vector<std::string> >(&Lists[1])->multitoken(), "List1.")
;

po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
po::notify(vm); //assign the variables (if they were specified)

std::cout << "compression: " << compression << std::endl;

if(vm.count("help"))
{
std::cout << desc << std::endl;;
return 1;
}

if(vm.count("compression"))
{
std::cout << "Compression level was set to "
<< vm["compression"].as<int>() << std::endl;
}
else
{
std::cout << "Compression level was not set." << std::endl;
}

if (vm.count("size"))
{
std::cout << "Size was set to "
<< vm["size"].as<double>() << std::endl;
}
else
{
std::cout << "Size was not set." << std::endl;
}

if (vm.count("FileList"))
{
std::cout << "count: " << vm.count("FileList") << std::endl;
//vector<string> FileList = vm["FileList"].as<vector<string> >();
std::cout << "FileList is length " << FileList.size() << std::endl;
for(unsigned int i = 0; i < FileList.size(); i++)
{
std::cout << FileList[i] << std::endl;
}
}
else
{
std::cout << "FileList was not set." << std::endl;
}

if (vm.count("NumberList"))
{
std::cout << "count: " << vm.count("NumberList") << std::endl;
std::vector<int> NumberList = vm["NumberList"].as<std::vector<int> >();
std::cout << "NumberList is length " << NumberList.size() << std::endl;
for(unsigned int i = 0; i < NumberList.size(); i++)
{
std::cout << NumberList[i] << std::endl;
}
}
else
{
std::cout << "NumberList was not set." << std::endl;
}

for(unsigned int list = 0; list < Lists.size(); list++)
{
std::cout << "List: " << list << std::endl;
for(unsigned int item = 0; item < Lists[list].size(); item++)
{
std::cout << Lists[list][item] << std::endl;
}
}

return 0;
}

</source>

@@ Line 1: / Line 1: @@
-==Simple.cpp==
+==BoostProgramOptions.cpp==
 <source lang="cpp">
 #include <iostream>
@@ Line 124: / Line 124: @@
 ADD_EXECUTABLE(Simple Simple.cpp)
 target_link_libraries(Simple boost_program_options-mt)
 </source>

← Older revision		Revision as of 14:46, 23 January 2011
Line 107:		Line 107:
	}		}

		+	</source>
		+
		+	==CMakeLists.txt==
		+	<source lang="cmake">
		+
		+	cmake_minimum_required(VERSION 2.6)
		+
		+	Project(BoostProgramOptions)
		+
		+	set(Boost_USE_MULTITHREADED ON) # which is the default
		+	FIND_PACKAGE(Boost 1.38 COMPONENTS program_options required)
		+
		+	INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${Boost_INCLUDE_DIRS})
		+	LINK_DIRECTORIES(${LINK_DIRECTORIES} ${Boost_LIBRARY_DIRS})
		+
		+	ADD_EXECUTABLE(Simple Simple.cpp)
		+	target_link_libraries(Simple boost_program_options-mt)
	</source>		</source>