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// (C) Copyright Gennadiy Rozental 2005-2008.
// Use, modification, and distribution are subject to 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: 49312 $
//
// Description : implements models configuration file, it's parameter and parameter namespaces
// ***************************************************************************
// Boost.Runtime.Parameter
#include <boost/test/utils/runtime/config.hpp>
#include <boost/test/utils/runtime/file/config_file.hpp>
#include <boost/test/utils/runtime/validation.hpp>
// Boost.Test
#include <boost/test/utils/foreach.hpp>
#include <boost/test/utils/basic_cstring/basic_cstring.hpp>
#include <boost/test/utils/basic_cstring/io.hpp>
#include <boost/test/utils/iterator/token_iterator.hpp>
namespace boost {
namespace BOOST_RT_PARAM_NAMESPACE {
namespace file {
// ************************************************************************** //
// ************** runtime::file::parameter ************** //
// ************************************************************************** //
parameter::parameter( cstring name, cstring value, param_namespace const& parent )
: m_parent( parent )
{
assign_op( p_name.value, name, 0 );
assign_op( p_value.value, value, 0 );
}
//____________________________________________________________________________//
std::ostream&
operator<<( std::ostream& os, parameter const& p )
{
p.m_parent.print_full_name( os );
return os << p.p_name << " = \"" << p.p_value << "\"";
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** runtime::file::param_namespace ************** //
// ************************************************************************** //
param_namespace::param_namespace( cstring name, param_namespace const* parent )
: p_parent( parent )
{
assign_op( p_name.value, name );
}
//____________________________________________________________________________//
void
param_namespace::insert_param( cstring param_name, cstring param_value )
{
BOOST_TEST_FOREACH( parameter const&, p, m_parameters )
BOOST_RT_PARAM_VALIDATE_LOGIC( p.p_name != param_name,
BOOST_RT_PARAM_LITERAL( "Duplicate parameter " ) << param_name );
m_parameters.push_back( parameter( param_name, param_value, *this ) );
}
//____________________________________________________________________________//
param_namespace&
param_namespace::subnamespace( cstring namespace_name )
{
BOOST_TEST_FOREACH( param_namespace&, subns, m_subnamespaces )
if( subns.p_name == namespace_name )
return subns;
m_subnamespaces.push_back( param_namespace( namespace_name, this ) );
return m_subnamespaces.back();
}
//____________________________________________________________________________//
void
param_namespace::clear()
{
m_parameters.clear();
m_subnamespaces.clear();
}
//____________________________________________________________________________//
void
param_namespace::print_full_name( std::ostream& os ) const
{
if( !p_parent )
return;
p_parent.get()->print_full_name( os );
os << p_name << "::";
}
//____________________________________________________________________________//
boost::optional<cstring>
get_param_value( param_namespace const& where_from,
cstring name_part1,
cstring name_part2,
cstring name_part3,
cstring name_part4,
cstring name_part5 )
{
if( name_part2.is_empty() ) {
boost::optional<cstring> res;
BOOST_TEST_FOREACH( parameter const&, p, where_from ) {
if( p.p_name == name_part1 ) {
res = cstring( p.p_value );
break;
}
}
return res;
}
param_namespace const* sns = get_param_subns( where_from, name_part1 );
return sns ? get_param_value( *sns, name_part2, name_part3, name_part4, name_part5 )
: boost::optional<cstring>();
}
//____________________________________________________________________________//
cstring
get_requ_param_value( param_namespace const& where_from,
cstring name_part1,
cstring name_part2,
cstring name_part3,
cstring name_part4,
cstring name_part5 )
{
boost::optional<cstring> v = get_param_value( where_from, name_part1, name_part2, name_part3, name_part4, name_part5 );
#define APPEND_PART( part ) (part.is_empty() ? "" : "::") << (part.is_empty() ? cstring() : part)
BOOST_RT_PARAM_VALIDATE_LOGIC( !!v, BOOST_RT_PARAM_LITERAL( "Required parameter " )
<< name_part1
<< APPEND_PART( name_part2 )
<< APPEND_PART( name_part3 )
<< APPEND_PART( name_part4 )
<< APPEND_PART( name_part5 )
<< BOOST_RT_PARAM_LITERAL( " value is missing" ) );
#undef APPEND_PART
return *v;
}
//____________________________________________________________________________//
param_namespace const*
get_param_subns( param_namespace const& where_from, cstring namespace_name )
{
param_namespace::sub_ns_const_iterator it = where_from.sub_ns_begin();
param_namespace::sub_ns_const_iterator end = where_from.sub_ns_end();
while( it != end ) {
if( it->p_name == namespace_name )
return &*it;
++it;
}
return 0;
}
//____________________________________________________________________________//
void
param_namespace::load_impl( config_file_iterator cf_it,
cstring value_marker, cstring value_delimeter, cstring namespace_delimeter )
{
using namespace unit_test;
while( cf_it != config_file_iterator() ) {
string_token_iterator ti( *cf_it, (max_tokens = 2,kept_delimeters = dt_none, dropped_delimeters = value_delimeter) );
cstring param_name = *ti;
cstring param_value = *(++ti);
param_value.trim( value_marker );
param_namespace* targ_ns = this;
while( !param_name.is_empty() ) {
cstring::size_type pos = param_name.find( namespace_delimeter );
cstring subname( param_name.begin(), pos == cstring::npos ? param_name.size() : pos );
if( subname.size() == param_name.size() ) {
targ_ns->insert_param( param_name, param_value );
break;
}
else {
targ_ns = &targ_ns->subnamespace( subname );
param_name.trim_left( subname.size() + namespace_delimeter.size() );
}
}
++cf_it;
}
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** runtime::file::config_file ************** //
// ************************************************************************** //
config_file::config_file()
: param_namespace( cstring() )
{
}
//____________________________________________________________________________//
config_file::config_file( cstring file_name )
: param_namespace( cstring() )
{
load( file_name );
}
//____________________________________________________________________________//
} // namespace file
} // namespace BOOST_RT_PARAM_NAMESPACE
} // namespace boost
// EOF
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