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// (C) Copyright Gennadiy Rozental 2001.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : argument factories for different kinds of parameters
// ***************************************************************************
#ifndef BOOST_TEST_UTILS_RUNTIME_ARGUMENT_FACTORY_HPP
#define BOOST_TEST_UTILS_RUNTIME_ARGUMENT_FACTORY_HPP
// Boost.Test Runtime parameters
#include <boost/test/utils/runtime/errors.hpp>
#include <boost/test/utils/runtime/argument.hpp>
// Boost.Test
#include <boost/test/utils/basic_cstring/io.hpp>
#include <boost/test/utils/basic_cstring/compare.hpp>
#include <boost/test/utils/string_cast.hpp>
// Boost
#include <boost/function/function2.hpp>
// STL
#include <vector>
#include <boost/test/detail/suppress_warnings.hpp>
namespace boost {
namespace runtime {
// ************************************************************************** //
// ************** runtime::value_interpreter ************** //
// ************************************************************************** //
template<typename ValueType, bool is_enum>
struct value_interpreter;
//____________________________________________________________________________//
template<typename ValueType>
struct value_interpreter<ValueType, false> {
template<typename Modifiers>
explicit value_interpreter( Modifiers const& ) {}
ValueType interpret( cstring param_name, cstring source ) const
{
ValueType res;
if( !unit_test::utils::string_as<ValueType>( source, res ) )
BOOST_TEST_I_THROW( format_error( param_name ) << source <<
" can't be interpreted as value of parameter " << param_name << "." );
return res;
}
};
//____________________________________________________________________________//
template<>
struct value_interpreter<std::string, false> {
template<typename Modifiers>
explicit value_interpreter( Modifiers const& ) {}
std::string interpret( cstring, cstring source ) const
{
return std::string( source.begin(), source.size() );
}
};
//____________________________________________________________________________//
template<>
struct value_interpreter<cstring, false> {
template<typename Modifiers>
explicit value_interpreter( Modifiers const& ) {}
cstring interpret( cstring, cstring source ) const
{
return source;
}
};
//____________________________________________________________________________//
template<>
struct value_interpreter<bool, false> {
template<typename Modifiers>
explicit value_interpreter( Modifiers const& ) {}
bool interpret( cstring param_name, cstring source ) const
{
static cstring const s_YES( "YES" );
static cstring const s_Y( "Y" );
static cstring const s_NO( "NO" );
static cstring const s_N( "N" );
static cstring const s_TRUE( "TRUE" );
static cstring const s_FALSE( "FALSE" );
static cstring const s_one( "1" );
static cstring const s_zero( "0" );
source.trim();
if( source.is_empty() ||
case_ins_eq( source, s_YES ) ||
case_ins_eq( source, s_Y ) ||
case_ins_eq( source, s_one ) ||
case_ins_eq( source, s_TRUE ) )
return true;
if( case_ins_eq( source, s_NO ) ||
case_ins_eq( source, s_N ) ||
case_ins_eq( source, s_zero ) ||
case_ins_eq( source, s_FALSE ) )
return false;
BOOST_TEST_I_THROW( format_error( param_name ) << source << " can't be interpreted as bool value." );
}
};
//____________________________________________________________________________//
template<typename EnumType>
struct value_interpreter<EnumType, true> {
template<typename Modifiers>
explicit value_interpreter( Modifiers const& m )
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
: m_name_to_value( m[enum_values<EnumType>::value] )
{
}
#else
{
std::vector<std::pair<cstring,EnumType> > const& values = m[enum_values<EnumType>::value];
m_name_to_value.insert( values.begin(), values.end() );
}
#endif
EnumType interpret( cstring param_name, cstring source ) const
{
typename std::map<cstring,EnumType>::const_iterator found = m_name_to_value.find( source );
BOOST_TEST_I_ASSRT( found != m_name_to_value.end(),
format_error( param_name ) << source <<
" is not a valid enumeration value name for parameter " << param_name << "." );
return found->second;
}
private:
// Data members
std::map<cstring,EnumType> m_name_to_value;
};
//____________________________________________________________________________//
// ************************************************************************** //
// ************** runtime::argument_factory ************** //
// ************************************************************************** //
template<typename ValueType, bool is_enum, bool repeatable>
class argument_factory;
//____________________________________________________________________________//
template<typename ValueType, bool is_enum>
class argument_factory<ValueType, is_enum, false> {
public:
template<typename Modifiers>
explicit argument_factory( Modifiers const& m )
: m_interpreter( m )
, m_optional_value( nfp::opt_get( m, optional_value, ValueType() ) )
, m_default_value( nfp::opt_get( m, default_value, ValueType() ) )
{
}
void produce_argument( cstring source, cstring param_name, arguments_store& store ) const
{
store.set( param_name, source.empty() ? m_optional_value : m_interpreter.interpret( param_name, source ) );
}
void produce_default( cstring param_name, arguments_store& store ) const
{
store.set( param_name, m_default_value );
}
private:
// Data members
typedef value_interpreter<ValueType, is_enum> interp_t;
interp_t m_interpreter;
ValueType m_optional_value;
ValueType m_default_value;
};
//____________________________________________________________________________//
template<typename ValueType, bool is_enum>
class argument_factory<ValueType, is_enum, true> {
public:
template<typename Modifiers>
explicit argument_factory( Modifiers const& m )
: m_interpreter( m )
{
}
void produce_argument( cstring source, cstring param_name, arguments_store& store ) const
{
ValueType value = m_interpreter.interpret( param_name, source );
if( store.has( param_name ) ) {
std::vector<ValueType>& values = store.get<std::vector<ValueType> >( param_name );
values.push_back( value );
}
else {
std::vector<ValueType> values( 1, value );
store.set( param_name, values );
}
}
void produce_default( cstring param_name, arguments_store& store ) const
{
store.set( param_name, std::vector<ValueType>() );
}
private:
// Data members
value_interpreter<ValueType, is_enum> m_interpreter;
};
//____________________________________________________________________________//
} // namespace runtime
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_UTILS_RUNTIME_ARGUMENT_FACTORY_HPP
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