vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/test/utils/runtime/parameter.hpp

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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 : formal parameter definition
// ***************************************************************************
#ifndef BOOST_TEST_UTILS_RUNTIME_PARAMETER_HPP
#define BOOST_TEST_UTILS_RUNTIME_PARAMETER_HPP
// Boost.Test Runtime parameters
#include <boost/test/utils/runtime/fwd.hpp>
#include <boost/test/utils/runtime/modifier.hpp>
#include <boost/test/utils/runtime/argument.hpp>
#include <boost/test/utils/runtime/argument_factory.hpp>
// Boost.Test
#include <boost/test/utils/class_properties.hpp>
#include <boost/test/utils/foreach.hpp>
// Boost
#include <boost/function/function2.hpp>
#include <boost/algorithm/cxx11/all_of.hpp>
// STL
#include <algorithm>
#include <boost/test/detail/suppress_warnings.hpp>
namespace boost {
namespace runtime {
// ************************************************************************** //
// ************** runtime::parameter_cla_id ************** //
// ************************************************************************** //
// set of attributes identifying the parameter in the command line
struct parameter_cla_id {
parameter_cla_id( cstring prefix, cstring tag, cstring value_separator, bool negatable )
: m_prefix( prefix.begin(), prefix.size() )
, m_tag( tag.begin(), tag.size() )
, m_value_separator( value_separator.begin(), value_separator.size() )
, m_negatable( negatable )
{
BOOST_TEST_I_ASSRT( algorithm::all_of( m_prefix.begin(), m_prefix.end(), valid_prefix_char ),
invalid_cla_id() << "Parameter " << m_tag
<< " has invalid characters in prefix." );
BOOST_TEST_I_ASSRT( algorithm::all_of( m_tag.begin(), m_tag.end(), valid_name_char ),
invalid_cla_id() << "Parameter " << m_tag
<< " has invalid characters in name." );
BOOST_TEST_I_ASSRT( algorithm::all_of( m_value_separator.begin(), m_value_separator.end(), valid_separator_char ),
invalid_cla_id() << "Parameter " << m_tag
<< " has invalid characters in value separator." );
}
static bool valid_prefix_char( char c )
{
return c == '-' || c == '/' ;
}
static bool valid_separator_char( char c )
{
return c == '=' || c == ':' || c == ' ' || c == '\0';
}
static bool valid_name_char( char c )
{
return std::isalnum( c ) || c == '+' || c == '_' || c == '?';
}
std::string m_prefix;
std::string m_tag;
std::string m_value_separator;
bool m_negatable;
};
typedef std::vector<parameter_cla_id> param_cla_ids;
// ************************************************************************** //
// ************** runtime::basic_param ************** //
// ************************************************************************** //
cstring const help_prefix("////");
class basic_param {
typedef function<void (cstring)> callback_type;
typedef unit_test::readwrite_property<bool> bool_property;
protected:
/// Constructor with modifiers
template<typename Modifiers>
basic_param( cstring name, bool is_optional, bool is_repeatable, Modifiers const& m )
: p_name( name.begin(), name.end() )
, p_description( nfp::opt_get( m, description, std::string() ) )
, p_help( nfp::opt_get( m, runtime::help, std::string() ) )
, p_env_var( nfp::opt_get( m, env_var, std::string() ) )
, p_value_hint( nfp::opt_get( m, value_hint, std::string() ) )
, p_optional( is_optional )
, p_repeatable( is_repeatable )
, p_has_optional_value( m.has( optional_value ) )
, p_has_default_value( m.has( default_value ) || is_repeatable )
, p_callback( nfp::opt_get( m, callback, callback_type() ) )
{
add_cla_id( help_prefix, name, ":" );
}
public:
virtual ~basic_param() {}
// Pubic properties
std::string const p_name;
std::string const p_description;
std::string const p_help;
std::string const p_env_var;
std::string const p_value_hint;
bool const p_optional;
bool const p_repeatable;
bool_property p_has_optional_value;
bool_property p_has_default_value;
callback_type const p_callback;
/// interface for cloning typed parameters
virtual basic_param_ptr clone() const = 0;
/// Access methods
param_cla_ids const& cla_ids() const { return m_cla_ids; }
void add_cla_id( cstring prefix, cstring tag, cstring value_separator )
{
add_cla_id_impl( prefix, tag, value_separator, false, true );
}
/// interface for producing argument values for this parameter
virtual void produce_argument( cstring token, bool negative_form, arguments_store& store ) const = 0;
virtual void produce_default( arguments_store& store ) const = 0;
/// interfaces for help message reporting
virtual void usage( std::ostream& ostr, cstring negation_prefix_ )
{
ostr << "Parameter: " << p_name << '\n';
if( !p_description.empty() )
ostr << ' ' << p_description << '\n';
ostr << " Command line formats:\n";
BOOST_TEST_FOREACH( parameter_cla_id const&, id, cla_ids() ) {
if( id.m_prefix == help_prefix )
continue;
ostr << " " << id.m_prefix;
if( id.m_negatable )
cla_name_help( ostr, id.m_tag, negation_prefix_ );
else
cla_name_help( ostr, id.m_tag, "" );
bool optional_value_ = false;
if( p_has_optional_value ) {
optional_value_ = true;
ostr << '[';
}
if( id.m_value_separator.empty() )
ostr << ' ';
else {
ostr << id.m_value_separator;
}
value_help( ostr );
if( optional_value_ )
ostr << ']';
ostr << '\n';
}
if( !p_env_var.empty() )
ostr << " Environment variable: " << p_env_var << '\n';
}
virtual void help( std::ostream& ostr, cstring negation_prefix_ )
{
usage( ostr, negation_prefix_ );
if( !p_help.empty() )
ostr << '\n' << p_help << '\n';
}
protected:
void add_cla_id_impl( cstring prefix,
cstring tag,
cstring value_separator,
bool negatable,
bool validate_value_separator )
{
BOOST_TEST_I_ASSRT( !tag.is_empty(),
invalid_cla_id() << "Parameter can't have an empty name." );
BOOST_TEST_I_ASSRT( !prefix.is_empty(),
invalid_cla_id() << "Parameter " << tag
<< " can't have an empty prefix." );
BOOST_TEST_I_ASSRT( !value_separator.is_empty(),
invalid_cla_id() << "Parameter " << tag
<< " can't have an empty value separator." );
// We trim value separator from all the spaces, so token end will indicate separator
value_separator.trim();
BOOST_TEST_I_ASSRT( !validate_value_separator || !value_separator.is_empty() || !p_has_optional_value,
invalid_cla_id() << "Parameter " << tag
<< " with optional value attribute can't use space as value separator." );
m_cla_ids.push_back( parameter_cla_id( prefix, tag, value_separator, negatable ) );
}
private:
/// interface for usage/help customization
virtual void cla_name_help( std::ostream& ostr, cstring cla_tag, cstring /* negation_prefix_ */) const
{
ostr << cla_tag;
}
virtual void value_help( std::ostream& ostr ) const
{
if( p_value_hint.empty() )
ostr << "<value>";
else
ostr << p_value_hint;
}
// Data members
param_cla_ids m_cla_ids;
};
// ************************************************************************** //
// ************** runtime::parameter ************** //
// ************************************************************************** //
enum args_amount {
OPTIONAL_PARAM, // 0-1
REQUIRED_PARAM, // exactly 1
REPEATABLE_PARAM // 0-N
};
//____________________________________________________________________________//
template<typename ValueType, args_amount a = runtime::OPTIONAL_PARAM, bool is_enum = false>
class parameter : public basic_param {
public:
/// Constructor with modifiers
#ifndef BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
template<typename Modifiers=nfp::no_params_type>
parameter( cstring name, Modifiers const& m = nfp::no_params )
#else
template<typename Modifiers>
parameter( cstring name, Modifiers const& m )
#endif
: basic_param( name, a != runtime::REQUIRED_PARAM, a == runtime::REPEATABLE_PARAM, m )
, m_arg_factory( m )
{
BOOST_TEST_I_ASSRT( !m.has( default_value ) || a == runtime::OPTIONAL_PARAM,
invalid_param_spec() << "Parameter " << name
<< " is not optional and can't have default_value." );
BOOST_TEST_I_ASSRT( !m.has( optional_value ) || !this->p_repeatable,
invalid_param_spec() << "Parameter " << name
<< " is repeatable and can't have optional_value." );
}
private:
virtual basic_param_ptr clone() const
{
return basic_param_ptr( new parameter( *this ) );
}
virtual void produce_argument( cstring token, bool , arguments_store& store ) const
{
m_arg_factory.produce_argument( token, this->p_name, store );
}
virtual void produce_default( arguments_store& store ) const
{
if( !this->p_has_default_value )
return;
m_arg_factory.produce_default( this->p_name, store );
}
// Data members
typedef argument_factory<ValueType, is_enum, a == runtime::REPEATABLE_PARAM> factory_t;
factory_t m_arg_factory;
};
//____________________________________________________________________________//
class option : public basic_param {
public:
/// Constructor with modifiers
#ifndef BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
template<typename Modifiers=nfp::no_params_type>
option( cstring name, Modifiers const& m = nfp::no_params )
#else
template<typename Modifiers>
option( cstring name, Modifiers const& m )
#endif
: basic_param( name, true, false, nfp::opt_append( nfp::opt_append( m, optional_value = true), default_value = false) )
, m_arg_factory( nfp::opt_append( nfp::opt_append( m, optional_value = true), default_value = false) )
{
}
void add_cla_id( cstring prefix, cstring tag, cstring value_separator, bool negatable = false )
{
add_cla_id_impl( prefix, tag, value_separator, negatable, false );
}
private:
virtual basic_param_ptr clone() const
{
return basic_param_ptr( new option( *this ) );
}
virtual void produce_argument( cstring token, bool negative_form, arguments_store& store ) const
{
if( token.empty() )
store.set( p_name, !negative_form );
else {
BOOST_TEST_I_ASSRT( !negative_form,
format_error( p_name ) << "Can't set value to negative form of the argument." );
m_arg_factory.produce_argument( token, p_name, store );
}
}
virtual void produce_default( arguments_store& store ) const
{
m_arg_factory.produce_default( p_name, store );
}
virtual void cla_name_help( std::ostream& ostr, cstring cla_tag, cstring negation_prefix_ ) const
{
if( negation_prefix_.is_empty() )
ostr << cla_tag;
else
ostr << '[' << negation_prefix_ << ']' << cla_tag;
}
virtual void value_help( std::ostream& ostr ) const
{
if( p_value_hint.empty() )
ostr << "<boolean value>";
else
ostr << p_value_hint;
}
// Data members
typedef argument_factory<bool, false, false> factory_t;
factory_t m_arg_factory;
};
//____________________________________________________________________________//
template<typename EnumType, args_amount a = runtime::OPTIONAL_PARAM>
class enum_parameter : public parameter<EnumType, a, true> {
typedef parameter<EnumType, a, true> base;
public:
/// Constructor with modifiers
#ifndef BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS
template<typename Modifiers=nfp::no_params_type>
enum_parameter( cstring name, Modifiers const& m = nfp::no_params )
#else
template<typename Modifiers>
enum_parameter( cstring name, Modifiers const& m )
#endif
: base( name, m )
{
#ifdef BOOST_TEST_CLA_NEW_API
auto const& values = m[enum_values<EnumType>::value];
auto it = values.begin();
#else
std::vector<std::pair<cstring, EnumType> > const& values = m[enum_values<EnumType>::value];
typename std::vector<std::pair<cstring, EnumType> >::const_iterator it = values.begin();
#endif
while( it != values.end() ) {
m_valid_names.push_back( it->first );
++it;
}
}
private:
virtual basic_param_ptr clone() const
{
return basic_param_ptr( new enum_parameter( *this ) );
}
virtual void value_help( std::ostream& ostr ) const
{
if( this->p_value_hint.empty() ) {
ostr << "<";
bool first = true;
BOOST_TEST_FOREACH( cstring, name, m_valid_names ) {
if( first )
first = false;
else
ostr << '|';
ostr << name;
}
ostr << ">";
}
else
ostr << this->p_value_hint;
}
// Data members
std::vector<cstring> m_valid_names;
};
// ************************************************************************** //
// ************** runtime::parameters_store ************** //
// ************************************************************************** //
class parameters_store {
struct lg_compare {
bool operator()( cstring lh, cstring rh ) const
{
return std::lexicographical_compare(lh.begin(), lh.end(),
rh.begin(), rh.end());
}
};
public:
typedef std::map<cstring, basic_param_ptr, lg_compare> storage_type;
/// Adds parameter into the persistent store
void add( basic_param const& in )
{
basic_param_ptr p = in.clone();
BOOST_TEST_I_ASSRT( m_parameters.insert( std::make_pair( cstring(p->p_name), p ) ).second,
duplicate_param() << "Parameter " << p->p_name << " is duplicate." );
}
/// Returns true if there is no parameters registered
bool is_empty() const { return m_parameters.empty(); }
/// Returns map of all the registered parameter
storage_type const& all() const { return m_parameters; }
/// Returns true if parameter with psecified name is registered
bool has( cstring name ) const
{
return m_parameters.find( name ) != m_parameters.end();
}
/// Returns map of all the registered parameter
basic_param_ptr get( cstring name ) const
{
storage_type::const_iterator const& found = m_parameters.find( name );
BOOST_TEST_I_ASSRT( found != m_parameters.end(),
unknown_param() << "Parameter " << name << " is unknown." );
return found->second;
}
private:
// Data members
storage_type m_parameters;
};
} // namespace runtime
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_UTILS_RUNTIME_PARAMETER_HPP