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#include "application.hpp"
#include <fstream>
/*----------------------------------------------------------------------------*/
ex_config::ex_config( int& argc, char** &argv )
: claw::application(argc, argv), m_quit(false), m_noname_section(true)
{
check_arguments( argc, argv );
} // ex_config::ex_config()
/*----------------------------------------------------------------------------*/
int ex_config::run()
{
if (m_quit)
return 0;
std::ifstream f( m_filename.c_str() );
if (!f)
std::cerr << "can't open file '" << m_filename << "'" << std::endl;
else if ( !m_config.open(f) )
std::cerr << "syntax error in '" << m_filename << "'" << std::endl;
else
{
std::cout << "field value is '";
if ( m_noname_section )
std::cout << m_config(m_field);
else
std::cout << m_config(m_section, m_field);
std::cout << "'" << std::endl;
std::cout << "all values are:\n";
claw::configuration_file::const_field_iterator it, last;
if ( m_noname_section )
{
it = m_config.field_begin(m_field);
last = m_config.field_end(m_field);
}
else
{
it = m_config.field_begin(m_section, m_field);
last = m_config.field_end(m_section, m_field);
}
for ( ; it!=last; ++it )
std::cout << "\t'" << *it << "'\n";
std::cout << "The sections of the file are:\n";
claw::configuration_file::const_file_iterator itf;
for (itf=m_config.file_begin(); itf!=m_config.file_end(); ++itf)
std::cout << '\'' << *itf << "'\n";
std::cout.flush();
}
return 0;
} // ex_config::run()
/*----------------------------------------------------------------------------*/
/**
* \brief Check program arguments.
* \param argc Number of program arguments.
* \param argv Program arguments.
*/
void ex_config::check_arguments( int& argc, char** &argv )
{
m_arguments.add_long("--config", "Configuration file to open", false, "file");
m_arguments.add_long
("--field", "The name of the field to find.", false, "string");
m_arguments.add_long
("--section", "section in which the field is.", true, "string");
m_arguments.add("-h", "--help", "Print this message and exit.", true);
m_arguments.parse( argc, argv );
if ( m_arguments.get_bool("-h") || !m_arguments.required_fields_are_set() )
{
std::cout << m_arguments.required_fields_are_set() << std::endl;
m_arguments.help();
m_quit = true;
}
else
{
m_noname_section = !m_arguments.has_value("--section");
if ( !m_noname_section )
m_section = m_arguments.get_string("--section");
m_field = m_arguments.get_string("--field");
m_filename = m_arguments.get_string("--config");
}
} // ex_config::check_arguments()
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