diff options
Diffstat (limited to 'src/json/json_spirit_value.h')
| -rw-r--r-- | src/json/json_spirit_value.h | 203 |
1 files changed, 66 insertions, 137 deletions
diff --git a/src/json/json_spirit_value.h b/src/json/json_spirit_value.h index a5020405d4..7e83a2a7e3 100644 --- a/src/json/json_spirit_value.h +++ b/src/json/json_spirit_value.h @@ -1,10 +1,10 @@ #ifndef JSON_SPIRIT_VALUE #define JSON_SPIRIT_VALUE -// Copyright John W. Wilkinson 2007 - 2013 +// Copyright John W. Wilkinson 2007 - 2009. // Distributed under the MIT License, see accompanying file LICENSE.txt -// json spirit version 4.06 +// json spirit version 4.03 #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once @@ -21,20 +21,11 @@ #include <boost/shared_ptr.hpp> #include <boost/variant.hpp> -// comment out the value types you don't need to reduce build times and intermediate file sizes -#define JSON_SPIRIT_VALUE_ENABLED -#define JSON_SPIRIT_WVALUE_ENABLED -#define JSON_SPIRIT_MVALUE_ENABLED -#define JSON_SPIRIT_WMVALUE_ENABLED - namespace json_spirit { enum Value_type{ obj_type, array_type, str_type, bool_type, int_type, real_type, null_type }; + static const char* Value_type_name[]={"obj", "array", "str", "bool", "int", "real", "null"}; - static std::string value_type_to_string( Value_type vtype ); - - struct Null{}; - template< class Config > // Config determines whether the value uses std::string or std::wstring and // whether JSON Objects are represented as vectors or maps class Value_impl @@ -58,12 +49,6 @@ namespace json_spirit Value_impl( boost::uint64_t value ); Value_impl( double value ); - template< class Iter > - Value_impl( Iter first, Iter last ); // constructor from containers, e.g. std::vector or std::list - - template< BOOST_VARIANT_ENUM_PARAMS( typename T ) > - Value_impl( const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& variant ); // constructor for compatible variant types - Value_impl( const Value_impl& other ); bool operator==( const Value_impl& lhs ) const; @@ -96,32 +81,13 @@ namespace json_spirit void check_type( const Value_type vtype ) const; - typedef boost::variant< boost::recursive_wrapper< Object >, boost::recursive_wrapper< Array >, - String_type, bool, boost::int64_t, double, Null, boost::uint64_t > Variant; + typedef boost::variant< String_type, + boost::recursive_wrapper< Object >, boost::recursive_wrapper< Array >, + bool, boost::int64_t, double > Variant; + Value_type type_; Variant v_; - - class Variant_converter_visitor : public boost::static_visitor< Variant > - { - public: - - template< typename T, typename A, template< typename, typename > class Cont > - Variant operator()( const Cont< T, A >& cont ) const - { - return Array( cont.begin(), cont.end() ); - } - - Variant operator()( int i ) const - { - return static_cast< boost::int64_t >( i ); - } - - template<class T> - Variant operator()( const T& t ) const - { - return t; - } - }; + bool is_uint64_; }; // vector objects @@ -132,10 +98,6 @@ namespace json_spirit typedef typename Config::String_type String_type; typedef typename Config::Value_type Value_type; - Pair_impl() - { - } - Pair_impl( const String_type& name, const Value_type& value ); bool operator==( const Pair_impl& lhs ) const; @@ -144,7 +106,6 @@ namespace json_spirit Value_type value_; }; -#if defined( JSON_SPIRIT_VALUE_ENABLED ) || defined( JSON_SPIRIT_WVALUE_ENABLED ) template< class String > struct Config_vector { @@ -161,32 +122,30 @@ namespace json_spirit return obj.back().value_; } - static const String_type& get_name( const Pair_type& pair ) + static String_type get_name( const Pair_type& pair ) { return pair.name_; } - static const Value_type& get_value( const Pair_type& pair ) + static Value_type get_value( const Pair_type& pair ) { return pair.value_; } }; -#endif // typedefs for ASCII -#ifdef JSON_SPIRIT_VALUE_ENABLED typedef Config_vector< std::string > Config; typedef Config::Value_type Value; typedef Config::Pair_type Pair; typedef Config::Object_type Object; typedef Config::Array_type Array; -#endif // typedefs for Unicode -#if defined( JSON_SPIRIT_WVALUE_ENABLED ) && !defined( BOOST_NO_STD_WSTRING ) +#ifndef BOOST_NO_STD_WSTRING + typedef Config_vector< std::wstring > wConfig; typedef wConfig::Value_type wValue; @@ -197,7 +156,6 @@ namespace json_spirit // map objects -#if defined( JSON_SPIRIT_MVALUE_ENABLED ) || defined( JSON_SPIRIT_WMVALUE_ENABLED ) template< class String > struct Config_map { @@ -205,134 +163,135 @@ namespace json_spirit typedef Value_impl< Config_map > Value_type; typedef std::vector< Value_type > Array_type; typedef std::map< String_type, Value_type > Object_type; - typedef std::pair< const String_type, Value_type > Pair_type; + typedef typename Object_type::value_type Pair_type; static Value_type& add( Object_type& obj, const String_type& name, const Value_type& value ) { return obj[ name ] = value; } - static const String_type& get_name( const Pair_type& pair ) + static String_type get_name( const Pair_type& pair ) { return pair.first; } - static const Value_type& get_value( const Pair_type& pair ) + static Value_type get_value( const Pair_type& pair ) { return pair.second; } }; -#endif // typedefs for ASCII -#ifdef JSON_SPIRIT_MVALUE_ENABLED typedef Config_map< std::string > mConfig; typedef mConfig::Value_type mValue; typedef mConfig::Object_type mObject; typedef mConfig::Array_type mArray; -#endif // typedefs for Unicode -#if defined( JSON_SPIRIT_WMVALUE_ENABLED ) && !defined( BOOST_NO_STD_WSTRING ) +#ifndef BOOST_NO_STD_WSTRING + typedef Config_map< std::wstring > wmConfig; typedef wmConfig::Value_type wmValue; typedef wmConfig::Object_type wmObject; typedef wmConfig::Array_type wmArray; + #endif /////////////////////////////////////////////////////////////////////////////////////////////// // // implementation - inline bool operator==( const Null&, const Null& ) - { - return true; - } - template< class Config > const Value_impl< Config > Value_impl< Config >::null; template< class Config > Value_impl< Config >::Value_impl() - : v_( Null() ) + : type_( null_type ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( const Const_str_ptr value ) - : v_( String_type( value ) ) + : type_( str_type ) + , v_( String_type( value ) ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( const String_type& value ) - : v_( value ) + : type_( str_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( const Object& value ) - : v_( value ) + : type_( obj_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( const Array& value ) - : v_( value ) + : type_( array_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( bool value ) - : v_( value ) + : type_( bool_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( int value ) - : v_( static_cast< boost::int64_t >( value ) ) + : type_( int_type ) + , v_( static_cast< boost::int64_t >( value ) ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( boost::int64_t value ) - : v_( value ) + : type_( int_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( boost::uint64_t value ) - : v_( value ) + : type_( int_type ) + , v_( static_cast< boost::int64_t >( value ) ) + , is_uint64_( true ) { } template< class Config > Value_impl< Config >::Value_impl( double value ) - : v_( value ) + : type_( real_type ) + , v_( value ) + , is_uint64_( false ) { } template< class Config > Value_impl< Config >::Value_impl( const Value_impl< Config >& other ) - : v_( other.v_ ) - { - } - - template< class Config > - template< class Iter > - Value_impl< Config >::Value_impl( Iter first, Iter last ) - : v_( Array( first, last ) ) - { - } - - template< class Config > - template< BOOST_VARIANT_ENUM_PARAMS( typename T ) > - Value_impl< Config >::Value_impl( const boost::variant< BOOST_VARIANT_ENUM_PARAMS(T) >& variant ) - : v_( boost::apply_visitor( Variant_converter_visitor(), variant) ) + : type_( other.type() ) + , v_( other.v_ ) + , is_uint64_( other.is_uint64_ ) { } @@ -341,7 +300,9 @@ namespace json_spirit { Value_impl tmp( lhs ); + std::swap( type_, tmp.type_ ); std::swap( v_, tmp.v_ ); + std::swap( is_uint64_, tmp.is_uint64_ ); return *this; } @@ -359,18 +320,13 @@ namespace json_spirit template< class Config > Value_type Value_impl< Config >::type() const { - if( is_uint64() ) - { - return int_type; - } - - return static_cast< Value_type >( v_.which() ); + return type_; } template< class Config > bool Value_impl< Config >::is_uint64() const { - return v_.which() == null_type + 1; + return is_uint64_; } template< class Config > @@ -386,7 +342,8 @@ namespace json_spirit { std::ostringstream os; - os << "get_value< " << value_type_to_string( vtype ) << " > called on " << value_type_to_string( type() ) << " Value"; + ///// Bitcoin: Tell the types by name instead of by number + os << "value is type " << Value_type_name[type()] << ", expected " << Value_type_name[vtype]; throw std::runtime_error( os.str() ); } @@ -395,7 +352,7 @@ namespace json_spirit template< class Config > const typename Config::String_type& Value_impl< Config >::get_str() const { - check_type( str_type ); + check_type( str_type ); return *boost::get< String_type >( &v_ ); } @@ -411,7 +368,7 @@ namespace json_spirit template< class Config > const typename Value_impl< Config >::Array& Value_impl< Config >::get_array() const { - check_type( array_type ); + check_type( array_type ); return *boost::get< Array >( &v_ ); } @@ -419,7 +376,7 @@ namespace json_spirit template< class Config > bool Value_impl< Config >::get_bool() const { - check_type( bool_type ); + check_type( bool_type ); return boost::get< bool >( v_ ); } @@ -427,7 +384,7 @@ namespace json_spirit template< class Config > int Value_impl< Config >::get_int() const { - check_type( int_type ); + check_type( int_type ); return static_cast< int >( get_int64() ); } @@ -435,12 +392,7 @@ namespace json_spirit template< class Config > boost::int64_t Value_impl< Config >::get_int64() const { - check_type( int_type ); - - if( is_uint64() ) - { - return static_cast< boost::int64_t >( get_uint64() ); - } + check_type( int_type ); return boost::get< boost::int64_t >( v_ ); } @@ -448,14 +400,9 @@ namespace json_spirit template< class Config > boost::uint64_t Value_impl< Config >::get_uint64() const { - check_type( int_type ); + check_type( int_type ); - if( !is_uint64() ) - { - return static_cast< boost::uint64_t >( get_int64() ); - } - - return boost::get< boost::uint64_t >( v_ ); + return static_cast< boost::uint64_t >( get_int64() ); } template< class Config > @@ -467,7 +414,7 @@ namespace json_spirit : static_cast< double >( get_int64() ); } - check_type( real_type ); + check_type( real_type ); return boost::get< double >( v_ ); } @@ -475,7 +422,7 @@ namespace json_spirit template< class Config > typename Value_impl< Config >::Object& Value_impl< Config >::get_obj() { - check_type( obj_type ); + check_type( obj_type ); return *boost::get< Object >( &v_ ); } @@ -483,7 +430,7 @@ namespace json_spirit template< class Config > typename Value_impl< Config >::Array& Value_impl< Config >::get_array() { - check_type( array_type ); + check_type( array_type ); return *boost::get< Array >( &v_ ); } @@ -582,24 +529,6 @@ namespace json_spirit { return internal_::get_value( *this, internal_::Type_to_type< T >() ); } - - static std::string value_type_to_string( const Value_type vtype ) - { - switch( vtype ) - { - case obj_type: return "Object"; - case array_type: return "Array"; - case str_type: return "string"; - case bool_type: return "boolean"; - case int_type: return "integer"; - case real_type: return "real"; - case null_type: return "null"; - } - - assert( false ); - - return "unknown type"; - } } #endif |