JSON Spirit library from http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx, MIT license
Commit by Satoshi Nakamoto (s_nakamoto) on 10 February 2010 · SVN r58 · release v0.2.2 · 13 files, +1,968 −0
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Files changed
json/LICENSE.txt
@@ -0,0 +1,24 @@
+The MIT License
+
+Copyright (c) 2007 - 2009 John W. Wilkinson
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
json/json_spirit.h
@@ -0,0 +1,18 @@
+#ifndef JSON_SPIRIT
+#define JSON_SPIRIT
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_value.h"
+#include "json_spirit_reader.h"
+#include "json_spirit_writer.h"
+#include "json_spirit_utils.h"
+
+#endif
json/json_spirit_error_position.h
@@ -0,0 +1,54 @@
+#ifndef JSON_SPIRIT_ERROR_POSITION
+#define JSON_SPIRIT_ERROR_POSITION
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <string>
+
+namespace json_spirit
+{
+ // An Error_position exception is thrown by the "read_or_throw" functions below on finding an error.
+ // Note the "read_or_throw" functions are around 3 times slower than the standard functions "read"
+ // functions that return a bool.
+ //
+ struct Error_position
+ {
+ Error_position();
+ Error_position( unsigned int line, unsigned int column, const std::string& reason );
+ bool operator==( const Error_position& lhs ) const;
+ unsigned int line_;
+ unsigned int column_;
+ std::string reason_;
+ };
+
+ inline Error_position::Error_position()
+ : line_( 0 )
+ , column_( 0 )
+ {
+ }
+
+ inline Error_position::Error_position( unsigned int line, unsigned int column, const std::string& reason )
+ : line_( line )
+ , column_( column )
+ , reason_( reason )
+ {
+ }
+
+ inline bool Error_position::operator==( const Error_position& lhs ) const
+ {
+ if( this == &lhs ) return true;
+
+ return ( reason_ == lhs.reason_ ) &&
+ ( line_ == lhs.line_ ) &&
+ ( column_ == lhs.column_ );
+}
+}
+
+#endif
json/json_spirit_reader.cpp
@@ -0,0 +1,137 @@
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#include "json_spirit_reader.h"
+#include "json_spirit_reader_template.h"
+
+using namespace json_spirit;
+
+bool json_spirit::read( const std::string& s, Value& value )
+{
+ return read_string( s, value );
+}
+
+void json_spirit::read_or_throw( const std::string& s, Value& value )
+{
+ read_string_or_throw( s, value );
+}
+
+bool json_spirit::read( std::istream& is, Value& value )
+{
+ return read_stream( is, value );
+}
+
+void json_spirit::read_or_throw( std::istream& is, Value& value )
+{
+ read_stream_or_throw( is, value );
+}
+
+bool json_spirit::read( std::string::const_iterator& begin, std::string::const_iterator end, Value& value )
+{
+ return read_range( begin, end, value );
+}
+
+void json_spirit::read_or_throw( std::string::const_iterator& begin, std::string::const_iterator end, Value& value )
+{
+ begin = read_range_or_throw( begin, end, value );
+}
+
+#ifndef BOOST_NO_STD_WSTRING
+
+bool json_spirit::read( const std::wstring& s, wValue& value )
+{
+ return read_string( s, value );
+}
+
+void json_spirit::read_or_throw( const std::wstring& s, wValue& value )
+{
+ read_string_or_throw( s, value );
+}
+
+bool json_spirit::read( std::wistream& is, wValue& value )
+{
+ return read_stream( is, value );
+}
+
+void json_spirit::read_or_throw( std::wistream& is, wValue& value )
+{
+ read_stream_or_throw( is, value );
+}
+
+bool json_spirit::read( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wValue& value )
+{
+ return read_range( begin, end, value );
+}
+
+void json_spirit::read_or_throw( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wValue& value )
+{
+ begin = read_range_or_throw( begin, end, value );
+}
+
+#endif
+
+bool json_spirit::read( const std::string& s, mValue& value )
+{
+ return read_string( s, value );
+}
+
+void json_spirit::read_or_throw( const std::string& s, mValue& value )
+{
+ read_string_or_throw( s, value );
+}
+
+bool json_spirit::read( std::istream& is, mValue& value )
+{
+ return read_stream( is, value );
+}
+
+void json_spirit::read_or_throw( std::istream& is, mValue& value )
+{
+ read_stream_or_throw( is, value );
+}
+
+bool json_spirit::read( std::string::const_iterator& begin, std::string::const_iterator end, mValue& value )
+{
+ return read_range( begin, end, value );
+}
+
+void json_spirit::read_or_throw( std::string::const_iterator& begin, std::string::const_iterator end, mValue& value )
+{
+ begin = read_range_or_throw( begin, end, value );
+}
+
+#ifndef BOOST_NO_STD_WSTRING
+
+bool json_spirit::read( const std::wstring& s, wmValue& value )
+{
+ return read_string( s, value );
+}
+
+void json_spirit::read_or_throw( const std::wstring& s, wmValue& value )
+{
+ read_string_or_throw( s, value );
+}
+
+bool json_spirit::read( std::wistream& is, wmValue& value )
+{
+ return read_stream( is, value );
+}
+
+void json_spirit::read_or_throw( std::wistream& is, wmValue& value )
+{
+ read_stream_or_throw( is, value );
+}
+
+bool json_spirit::read( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wmValue& value )
+{
+ return read_range( begin, end, value );
+}
+
+void json_spirit::read_or_throw( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wmValue& value )
+{
+ begin = read_range_or_throw( begin, end, value );
+}
+
+#endif
json/json_spirit_reader.h
@@ -0,0 +1,62 @@
+#ifndef JSON_SPIRIT_READER
+#define JSON_SPIRIT_READER
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_value.h"
+#include "json_spirit_error_position.h"
+#include <iostream>
+
+namespace json_spirit
+{
+ // functions to reads a JSON values
+
+ bool read( const std::string& s, Value& value );
+ bool read( std::istream& is, Value& value );
+ bool read( std::string::const_iterator& begin, std::string::const_iterator end, Value& value );
+
+ void read_or_throw( const std::string& s, Value& value );
+ void read_or_throw( std::istream& is, Value& value );
+ void read_or_throw( std::string::const_iterator& begin, std::string::const_iterator end, Value& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+ bool read( const std::wstring& s, wValue& value );
+ bool read( std::wistream& is, wValue& value );
+ bool read( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wValue& value );
+
+ void read_or_throw( const std::wstring& s, wValue& value );
+ void read_or_throw( std::wistream& is, wValue& value );
+ void read_or_throw( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wValue& value );
+
+#endif
+
+ bool read( const std::string& s, mValue& value );
+ bool read( std::istream& is, mValue& value );
+ bool read( std::string::const_iterator& begin, std::string::const_iterator end, mValue& value );
+
+ void read_or_throw( const std::string& s, mValue& value );
+ void read_or_throw( std::istream& is, mValue& value );
+ void read_or_throw( std::string::const_iterator& begin, std::string::const_iterator end, mValue& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+ bool read( const std::wstring& s, wmValue& value );
+ bool read( std::wistream& is, wmValue& value );
+ bool read( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wmValue& value );
+
+ void read_or_throw( const std::wstring& s, wmValue& value );
+ void read_or_throw( std::wistream& is, wmValue& value );
+ void read_or_throw( std::wstring::const_iterator& begin, std::wstring::const_iterator end, wmValue& value );
+
+#endif
+}
+
+#endif
json/json_spirit_reader_template.h
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+#ifndef JSON_SPIRIT_READER_TEMPLATE
+#define JSON_SPIRIT_READER_TEMPLATE
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#include "json_spirit_value.h"
+#include "json_spirit_error_position.h"
+
+//#define BOOST_SPIRIT_THREADSAFE // uncomment for multithreaded use, requires linking to boost.thread
+
+#include <boost/bind.hpp>
+#include <boost/function.hpp>
+#include <boost/version.hpp>
+
+#if BOOST_VERSION >= 103800
+ #include <boost/spirit/include/classic_core.hpp>
+ #include <boost/spirit/include/classic_confix.hpp>
+ #include <boost/spirit/include/classic_escape_char.hpp>
+ #include <boost/spirit/include/classic_multi_pass.hpp>
+ #include <boost/spirit/include/classic_position_iterator.hpp>
+ #define spirit_namespace boost::spirit::classic
+#else
+ #include <boost/spirit/core.hpp>
+ #include <boost/spirit/utility/confix.hpp>
+ #include <boost/spirit/utility/escape_char.hpp>
+ #include <boost/spirit/iterator/multi_pass.hpp>
+ #include <boost/spirit/iterator/position_iterator.hpp>
+ #define spirit_namespace boost::spirit
+#endif
+
+namespace json_spirit
+{
+ const spirit_namespace::int_parser < boost::int64_t > int64_p = spirit_namespace::int_parser < boost::int64_t >();
+ const spirit_namespace::uint_parser< boost::uint64_t > uint64_p = spirit_namespace::uint_parser< boost::uint64_t >();
+
+ template< class Iter_type >
+ bool is_eq( Iter_type first, Iter_type last, const char* c_str )
+ {
+ for( Iter_type i = first; i != last; ++i, ++c_str )
+ {
+ if( *c_str == 0 ) return false;
+
+ if( *i != *c_str ) return false;
+ }
+
+ return true;
+ }
+
+ template< class Char_type >
+ Char_type hex_to_num( const Char_type c )
+ {
+ if( ( c >= '0' ) && ( c <= '9' ) ) return c - '0';
+ if( ( c >= 'a' ) && ( c <= 'f' ) ) return c - 'a' + 10;
+ if( ( c >= 'A' ) && ( c <= 'F' ) ) return c - 'A' + 10;
+ return 0;
+ }
+
+ template< class Char_type, class Iter_type >
+ Char_type hex_str_to_char( Iter_type& begin )
+ {
+ const Char_type c1( *( ++begin ) );
+ const Char_type c2( *( ++begin ) );
+
+ return ( hex_to_num( c1 ) << 4 ) + hex_to_num( c2 );
+ }
+
+ template< class Char_type, class Iter_type >
+ Char_type unicode_str_to_char( Iter_type& begin )
+ {
+ const Char_type c1( *( ++begin ) );
+ const Char_type c2( *( ++begin ) );
+ const Char_type c3( *( ++begin ) );
+ const Char_type c4( *( ++begin ) );
+
+ return ( hex_to_num( c1 ) << 12 ) +
+ ( hex_to_num( c2 ) << 8 ) +
+ ( hex_to_num( c3 ) << 4 ) +
+ hex_to_num( c4 );
+ }
+
+ template< class String_type >
+ void append_esc_char_and_incr_iter( String_type& s,
+ typename String_type::const_iterator& begin,
+ typename String_type::const_iterator end )
+ {
+ typedef typename String_type::value_type Char_type;
+
+ const Char_type c2( *begin );
+
+ switch( c2 )
+ {
+ case 't': s += '\t'; break;
+ case 'b': s += '\b'; break;
+ case 'f': s += '\f'; break;
+ case 'n': s += '\n'; break;
+ case 'r': s += '\r'; break;
+ case '\\': s += '\\'; break;
+ case '/': s += '/'; break;
+ case '"': s += '"'; break;
+ case 'x':
+ {
+ if( end - begin >= 3 ) // expecting "xHH..."
+ {
+ s += hex_str_to_char< Char_type >( begin );
+ }
+ break;
+ }
+ case 'u':
+ {
+ if( end - begin >= 5 ) // expecting "uHHHH..."
+ {
+ s += unicode_str_to_char< Char_type >( begin );
+ }
+ break;
+ }
+ }
+ }
+
+ template< class String_type >
+ String_type substitute_esc_chars( typename String_type::const_iterator begin,
+ typename String_type::const_iterator end )
+ {
+ typedef typename String_type::const_iterator Iter_type;
+
+ if( end - begin < 2 ) return String_type( begin, end );
+
+ String_type result;
+
+ result.reserve( end - begin );
+
+ const Iter_type end_minus_1( end - 1 );
+
+ Iter_type substr_start = begin;
+ Iter_type i = begin;
+
+ for( ; i < end_minus_1; ++i )
+ {
+ if( *i == '\\' )
+ {
+ result.append( substr_start, i );
+
+ ++i; // skip the '\'
+
+ append_esc_char_and_incr_iter( result, i, end );
+
+ substr_start = i + 1;
+ }
+ }
+
+ result.append( substr_start, end );
+
+ return result;
+ }
+
+ template< class String_type >
+ String_type get_str_( typename String_type::const_iterator begin,
+ typename String_type::const_iterator end )
+ {
+ assert( end - begin >= 2 );
+
+ typedef typename String_type::const_iterator Iter_type;
+
+ Iter_type str_without_quotes( ++begin );
+ Iter_type end_without_quotes( --end );
+
+ return substitute_esc_chars< String_type >( str_without_quotes, end_without_quotes );
+ }
+
+ inline std::string get_str( std::string::const_iterator begin, std::string::const_iterator end )
+ {
+ return get_str_< std::string >( begin, end );
+ }
+
+ inline std::wstring get_str( std::wstring::const_iterator begin, std::wstring::const_iterator end )
+ {
+ return get_str_< std::wstring >( begin, end );
+ }
+
+ template< class String_type, class Iter_type >
+ String_type get_str( Iter_type begin, Iter_type end )
+ {
+ const String_type tmp( begin, end ); // convert multipass iterators to string iterators
+
+ return get_str( tmp.begin(), tmp.end() );
+ }
+
+ // this class's methods get called by the spirit parse resulting
+ // in the creation of a JSON object or array
+ //
+ // NB Iter_type could be a std::string iterator, wstring iterator, a position iterator or a multipass iterator
+ //
+ template< class Value_type, class Iter_type >
+ class Semantic_actions
+ {
+ public:
+
+ typedef typename Value_type::Config_type Config_type;
+ typedef typename Config_type::String_type String_type;
+ typedef typename Config_type::Object_type Object_type;
+ typedef typename Config_type::Array_type Array_type;
+ typedef typename String_type::value_type Char_type;
+
+ Semantic_actions( Value_type& value )
+ : value_( value )
+ , current_p_( 0 )
+ {
+ }
+
+ void begin_obj( Char_type c )
+ {
+ assert( c == '{' );
+
+ begin_compound< Object_type >();
+ }
+
+ void end_obj( Char_type c )
+ {
+ assert( c == '}' );
+
+ end_compound();
+ }
+
+ void begin_array( Char_type c )
+ {
+ assert( c == '[' );
+
+ begin_compound< Array_type >();
+ }
+
+ void end_array( Char_type c )
+ {
+ assert( c == ']' );
+
+ end_compound();
+ }
+
+ void new_name( Iter_type begin, Iter_type end )
+ {
+ assert( current_p_->type() == obj_type );
+
+ name_ = get_str< String_type >( begin, end );
+ }
+
+ void new_str( Iter_type begin, Iter_type end )
+ {
+ add_to_current( get_str< String_type >( begin, end ) );
+ }
+
+ void new_true( Iter_type begin, Iter_type end )
+ {
+ assert( is_eq( begin, end, "true" ) );
+
+ add_to_current( true );
+ }
+
+ void new_false( Iter_type begin, Iter_type end )
+ {
+ assert( is_eq( begin, end, "false" ) );
+
+ add_to_current( false );
+ }
+
+ void new_null( Iter_type begin, Iter_type end )
+ {
+ assert( is_eq( begin, end, "null" ) );
+
+ add_to_current( Value_type() );
+ }
+
+ void new_int( boost::int64_t i )
+ {
+ add_to_current( i );
+ }
+
+ void new_uint64( boost::uint64_t ui )
+ {
+ add_to_current( ui );
+ }
+
+ void new_real( double d )
+ {
+ add_to_current( d );
+ }
+
+ private:
+
+ Semantic_actions& operator=( const Semantic_actions& );
+ // to prevent "assignment operator could not be generated" warning
+
+ Value_type* add_first( const Value_type& value )
+ {
+ assert( current_p_ == 0 );
+
+ value_ = value;
+ current_p_ = &value_;
+ return current_p_;
json/json_spirit_stream_reader.h
@@ -0,0 +1,70 @@
+#ifndef JSON_SPIRIT_READ_STREAM
+#define JSON_SPIRIT_READ_STREAM
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_reader_template.h"
+
+namespace json_spirit
+{
+ // these classes allows you to read multiple top level contiguous values from a stream,
+ // the normal stream read functions have a bug that prevent multiple top level values
+ // from being read unless they are separated by spaces
+
+ template< class Istream_type, class Value_type >
+ class Stream_reader
+ {
+ public:
+
+ Stream_reader( Istream_type& is )
+ : iters_( is )
+ {
+ }
+
+ bool read_next( Value_type& value )
+ {
+ return read_range( iters_.begin_, iters_.end_, value );
+ }
+
+ private:
+
+ typedef Multi_pass_iters< Istream_type > Mp_iters;
+
+ Mp_iters iters_;
+ };
+
+ template< class Istream_type, class Value_type >
+ class Stream_reader_thrower
+ {
+ public:
+
+ Stream_reader_thrower( Istream_type& is )
+ : iters_( is )
+ , posn_begin_( iters_.begin_, iters_.end_ )
+ , posn_end_( iters_.end_, iters_.end_ )
+ {
+ }
+
+ void read_next( Value_type& value )
+ {
+ posn_begin_ = read_range_or_throw( posn_begin_, posn_end_, value );
+ }
+
+ private:
+
+ typedef Multi_pass_iters< Istream_type > Mp_iters;
+ typedef spirit_namespace::position_iterator< typename Mp_iters::Mp_iter > Posn_iter_t;
+
+ Mp_iters iters_;
+ Posn_iter_t posn_begin_, posn_end_;
+ };
+}
+
+#endif
json/json_spirit_utils.h
@@ -0,0 +1,61 @@
+#ifndef JSON_SPIRIT_UTILS
+#define JSON_SPIRIT_UTILS
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_value.h"
+#include <map>
+
+namespace json_spirit
+{
+ template< class Obj_t, class Map_t >
+ void obj_to_map( const Obj_t& obj, Map_t& mp_obj )
+ {
+ mp_obj.clear();
+
+ for( typename Obj_t::const_iterator i = obj.begin(); i != obj.end(); ++i )
+ {
+ mp_obj[ i->name_ ] = i->value_;
+ }
+ }
+
+ template< class Obj_t, class Map_t >
+ void map_to_obj( const Map_t& mp_obj, Obj_t& obj )
+ {
+ obj.clear();
+
+ for( typename Map_t::const_iterator i = mp_obj.begin(); i != mp_obj.end(); ++i )
+ {
+ obj.push_back( typename Obj_t::value_type( i->first, i->second ) );
+ }
+ }
+
+ typedef std::map< std::string, Value > Mapped_obj;
+
+#ifndef BOOST_NO_STD_WSTRING
+ typedef std::map< std::wstring, wValue > wMapped_obj;
+#endif
+
+ template< class Object_type, class String_type >
+ const typename Object_type::value_type::Value_type& find_value( const Object_type& obj, const String_type& name )
+ {
+ for( typename Object_type::const_iterator i = obj.begin(); i != obj.end(); ++i )
+ {
+ if( i->name_ == name )
+ {
+ return i->value_;
+ }
+ }
+
+ return Object_type::value_type::Value_type::null;
+ }
+}
+
+#endif
json/json_spirit_value.cpp
@@ -0,0 +1,8 @@
+/* Copyright (c) 2007 John W Wilkinson
+
+ This source code can be used for any purpose as long as
+ this comment is retained. */
+
+// json spirit version 2.00
+
+#include "json_spirit_value.h"
json/json_spirit_value.h
@@ -0,0 +1,532 @@
+#ifndef JSON_SPIRIT_VALUE
+#define JSON_SPIRIT_VALUE
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <vector>
+#include <map>
+#include <string>
+#include <cassert>
+#include <sstream>
+#include <stdexcept>
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/variant.hpp>
+
+namespace json_spirit
+{
+ enum Value_type{ obj_type, array_type, str_type, bool_type, int_type, real_type, null_type };
+
+ 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
+ {
+ public:
+
+ typedef Config Config_type;
+ typedef typename Config::String_type String_type;
+ typedef typename Config::Object_type Object;
+ typedef typename Config::Array_type Array;
+ typedef typename String_type::const_pointer Const_str_ptr; // eg const char*
+
+ Value_impl(); // creates null value
+ Value_impl( Const_str_ptr value );
+ Value_impl( const String_type& value );
+ Value_impl( const Object& value );
+ Value_impl( const Array& value );
+ Value_impl( bool value );
+ Value_impl( int value );
+ Value_impl( boost::int64_t value );
+ Value_impl( boost::uint64_t value );
+ Value_impl( double value );
+
+ Value_impl( const Value_impl& other );
+
+ bool operator==( const Value_impl& lhs ) const;
+
+ Value_impl& operator=( const Value_impl& lhs );
+
+ Value_type type() const;
+
+ bool is_uint64() const;
+ bool is_null() const;
+
+ const String_type& get_str() const;
+ const Object& get_obj() const;
+ const Array& get_array() const;
+ bool get_bool() const;
+ int get_int() const;
+ boost::int64_t get_int64() const;
+ boost::uint64_t get_uint64() const;
+ double get_real() const;
+
+ Object& get_obj();
+ Array& get_array();
+
+ template< typename T > T get_value() const; // example usage: int i = value.get_value< int >();
+ // or double d = value.get_value< double >();
+
+ static const Value_impl null;
+
+ private:
+
+ void check_type( const Value_type vtype ) const;
+
+ typedef boost::variant< String_type,
+ boost::recursive_wrapper< Object >, boost::recursive_wrapper< Array >,
+ bool, boost::int64_t, double > Variant;
+
+ Value_type type_;
+ Variant v_;
+ bool is_uint64_;
+ };
+
+ // vector objects
+
+ template< class Config >
+ struct Pair_impl
+ {
+ typedef typename Config::String_type String_type;
+ typedef typename Config::Value_type Value_type;
+
+ Pair_impl( const String_type& name, const Value_type& value );
+
+ bool operator==( const Pair_impl& lhs ) const;
+
+ String_type name_;
+ Value_type value_;
+ };
+
+ template< class String >
+ struct Config_vector
+ {
+ typedef String String_type;
+ typedef Value_impl< Config_vector > Value_type;
+ typedef Pair_impl < Config_vector > Pair_type;
+ typedef std::vector< Value_type > Array_type;
+ typedef std::vector< Pair_type > Object_type;
+
+ static Value_type& add( Object_type& obj, const String_type& name, const Value_type& value )
+ {
+ obj.push_back( Pair_type( name , value ) );
+
+ return obj.back().value_;
+ }
+
+ static String_type get_name( const Pair_type& pair )
+ {
+ return pair.name_;
+ }
+
+ static Value_type get_value( const Pair_type& pair )
+ {
+ return pair.value_;
+ }
+ };
+
+ // typedefs for ASCII
+
+ 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;
+
+ // typedefs for Unicode
+
+#ifndef BOOST_NO_STD_WSTRING
+
+ typedef Config_vector< std::wstring > wConfig;
+
+ typedef wConfig::Value_type wValue;
+ typedef wConfig::Pair_type wPair;
+ typedef wConfig::Object_type wObject;
+ typedef wConfig::Array_type wArray;
+#endif
+
+ // map objects
+
+ template< class String >
+ struct Config_map
+ {
+ typedef String String_type;
+ typedef Value_impl< Config_map > Value_type;
+ typedef std::vector< Value_type > Array_type;
+ typedef std::map< String_type, Value_type > Object_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 String_type get_name( const Pair_type& pair )
+ {
+ return pair.first;
+ }
+
+ static Value_type get_value( const Pair_type& pair )
+ {
+ return pair.second;
+ }
+ };
+
+ // typedefs for ASCII
+
+ typedef Config_map< std::string > mConfig;
+
+ typedef mConfig::Value_type mValue;
+ typedef mConfig::Object_type mObject;
+ typedef mConfig::Array_type mArray;
+
+ // typedefs for Unicode
+
+#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
+
+ template< class Config >
+ const Value_impl< Config > Value_impl< Config >::null;
+
+ template< class Config >
+ Value_impl< Config >::Value_impl()
+ : type_( null_type )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( const Const_str_ptr value )
+ : type_( str_type )
+ , v_( String_type( value ) )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( const String_type& value )
+ : type_( str_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( const Object& value )
+ : type_( obj_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( const Array& value )
+ : type_( array_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( bool value )
+ : type_( bool_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( int 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 )
+ : type_( int_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( boost::uint64_t value )
+ : type_( int_type )
+ , v_( static_cast< boost::int64_t >( value ) )
+ , is_uint64_( true )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( double value )
+ : type_( real_type )
+ , v_( value )
+ , is_uint64_( false )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >::Value_impl( const Value_impl< Config >& other )
+ : type_( other.type() )
+ , v_( other.v_ )
+ , is_uint64_( other.is_uint64_ )
+ {
+ }
+
+ template< class Config >
+ Value_impl< Config >& Value_impl< Config >::operator=( const Value_impl& lhs )
+ {
json/json_spirit_writer.cpp
@@ -0,0 +1,95 @@
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#include "json_spirit_writer.h"
+#include "json_spirit_writer_template.h"
+
+void json_spirit::write( const Value& value, std::ostream& os )
+{
+ write_stream( value, os, false );
+}
+
+void json_spirit::write_formatted( const Value& value, std::ostream& os )
+{
+ write_stream( value, os, true );
+}
+
+std::string json_spirit::write( const Value& value )
+{
+ return write_string( value, false );
+}
+
+std::string json_spirit::write_formatted( const Value& value )
+{
+ return write_string( value, true );
+}
+
+#ifndef BOOST_NO_STD_WSTRING
+
+void json_spirit::write( const wValue& value, std::wostream& os )
+{
+ write_stream( value, os, false );
+}
+
+void json_spirit::write_formatted( const wValue& value, std::wostream& os )
+{
+ write_stream( value, os, true );
+}
+
+std::wstring json_spirit::write( const wValue& value )
+{
+ return write_string( value, false );
+}
+
+std::wstring json_spirit::write_formatted( const wValue& value )
+{
+ return write_string( value, true );
+}
+
+#endif
+
+void json_spirit::write( const mValue& value, std::ostream& os )
+{
+ write_stream( value, os, false );
+}
+
+void json_spirit::write_formatted( const mValue& value, std::ostream& os )
+{
+ write_stream( value, os, true );
+}
+
+std::string json_spirit::write( const mValue& value )
+{
+ return write_string( value, false );
+}
+
+std::string json_spirit::write_formatted( const mValue& value )
+{
+ return write_string( value, true );
+}
+
+#ifndef BOOST_NO_STD_WSTRING
+
+void json_spirit::write( const wmValue& value, std::wostream& os )
+{
+ write_stream( value, os, false );
+}
+
+void json_spirit::write_formatted( const wmValue& value, std::wostream& os )
+{
+ write_stream( value, os, true );
+}
+
+std::wstring json_spirit::write( const wmValue& value )
+{
+ return write_string( value, false );
+}
+
+std::wstring json_spirit::write_formatted( const wmValue& value )
+{
+ return write_string( value, true );
+}
+
+#endif
json/json_spirit_writer.h
@@ -0,0 +1,50 @@
+#ifndef JSON_SPIRIT_WRITER
+#define JSON_SPIRIT_WRITER
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include "json_spirit_value.h"
+#include <iostream>
+
+namespace json_spirit
+{
+ // functions to convert JSON Values to text,
+ // the "formatted" versions add whitespace to format the output nicely
+
+ void write ( const Value& value, std::ostream& os );
+ void write_formatted( const Value& value, std::ostream& os );
+ std::string write ( const Value& value );
+ std::string write_formatted( const Value& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+ void write ( const wValue& value, std::wostream& os );
+ void write_formatted( const wValue& value, std::wostream& os );
+ std::wstring write ( const wValue& value );
+ std::wstring write_formatted( const wValue& value );
+
+#endif
+
+ void write ( const mValue& value, std::ostream& os );
+ void write_formatted( const mValue& value, std::ostream& os );
+ std::string write ( const mValue& value );
+ std::string write_formatted( const mValue& value );
+
+#ifndef BOOST_NO_STD_WSTRING
+
+ void write ( const wmValue& value, std::wostream& os );
+ void write_formatted( const wmValue& value, std::wostream& os );
+ std::wstring write ( const wmValue& value );
+ std::wstring write_formatted( const wmValue& value );
+
+#endif
+}
+
+#endif
json/json_spirit_writer_template.h
@@ -0,0 +1,245 @@
+#ifndef JSON_SPIRIT_WRITER_TEMPLATE
+#define JSON_SPIRIT_WRITER_TEMPLATE
+
+// Copyright John W. Wilkinson 2007 - 2009.
+// Distributed under the MIT License, see accompanying file LICENSE.txt
+
+// json spirit version 4.03
+
+#include "json_spirit_value.h"
+
+#include <cassert>
+#include <sstream>
+#include <iomanip>
+
+namespace json_spirit
+{
+ inline char to_hex_char( unsigned int c )
+ {
+ assert( c <= 0xF );
+
+ const char ch = static_cast< char >( c );
+
+ if( ch < 10 ) return '0' + ch;
+
+ return 'A' - 10 + ch;
+ }
+
+ template< class String_type >
+ String_type non_printable_to_string( unsigned int c )
+ {
+ typedef typename String_type::value_type Char_type;
+
+ String_type result( 6, '\\' );
+
+ result[1] = 'u';
+
+ result[ 5 ] = to_hex_char( c & 0x000F ); c >>= 4;
+ result[ 4 ] = to_hex_char( c & 0x000F ); c >>= 4;
+ result[ 3 ] = to_hex_char( c & 0x000F ); c >>= 4;
+ result[ 2 ] = to_hex_char( c & 0x000F );
+
+ return result;
+ }
+
+ template< typename Char_type, class String_type >
+ bool add_esc_char( Char_type c, String_type& s )
+ {
+ switch( c )
+ {
+ case '"': s += to_str< String_type >( "\\\"" ); return true;
+ case '\\': s += to_str< String_type >( "\\\\" ); return true;
+ case '\b': s += to_str< String_type >( "\\b" ); return true;
+ case '\f': s += to_str< String_type >( "\\f" ); return true;
+ case '\n': s += to_str< String_type >( "\\n" ); return true;
+ case '\r': s += to_str< String_type >( "\\r" ); return true;
+ case '\t': s += to_str< String_type >( "\\t" ); return true;
+ }
+
+ return false;
+ }
+
+ template< class String_type >
+ String_type add_esc_chars( const String_type& s )
+ {
+ typedef typename String_type::const_iterator Iter_type;
+ typedef typename String_type::value_type Char_type;
+
+ String_type result;
+
+ const Iter_type end( s.end() );
+
+ for( Iter_type i = s.begin(); i != end; ++i )
+ {
+ const Char_type c( *i );
+
+ if( add_esc_char( c, result ) ) continue;
+
+ const wint_t unsigned_c( ( c >= 0 ) ? c : 256 + c );
+
+ if( iswprint( unsigned_c ) )
+ {
+ result += c;
+ }
+ else
+ {
+ result += non_printable_to_string< String_type >( unsigned_c );
+ }
+ }
+
+ return result;
+ }
+
+ // this class generates the JSON text,
+ // it keeps track of the indentation level etc.
+ //
+ template< class Value_type, class Ostream_type >
+ class Generator
+ {
+ typedef typename Value_type::Config_type Config_type;
+ typedef typename Config_type::String_type String_type;
+ typedef typename Config_type::Object_type Object_type;
+ typedef typename Config_type::Array_type Array_type;
+ typedef typename String_type::value_type Char_type;
+ typedef typename Object_type::value_type Obj_member_type;
+
+ public:
+
+ Generator( const Value_type& value, Ostream_type& os, bool pretty )
+ : os_( os )
+ , indentation_level_( 0 )
+ , pretty_( pretty )
+ {
+ output( value );
+ }
+
+ private:
+
+ void output( const Value_type& value )
+ {
+ switch( value.type() )
+ {
+ case obj_type: output( value.get_obj() ); break;
+ case array_type: output( value.get_array() ); break;
+ case str_type: output( value.get_str() ); break;
+ case bool_type: output( value.get_bool() ); break;
+ case int_type: output_int( value ); break;
+ case real_type: os_ << std::showpoint << std::setprecision( 16 )
+ << value.get_real(); break;
+ case null_type: os_ << "null"; break;
+ default: assert( false );
+ }
+ }
+
+ void output( const Object_type& obj )
+ {
+ output_array_or_obj( obj, '{', '}' );
+ }
+
+ void output( const Array_type& arr )
+ {
+ output_array_or_obj( arr, '[', ']' );
+ }
+
+ void output( const Obj_member_type& member )
+ {
+ output( Config_type::get_name( member ) ); space();
+ os_ << ':'; space();
+ output( Config_type::get_value( member ) );
+ }
+
+ void output_int( const Value_type& value )
+ {
+ if( value.is_uint64() )
+ {
+ os_ << value.get_uint64();
+ }
+ else
+ {
+ os_ << value.get_int64();
+ }
+ }
+
+ void output( const String_type& s )
+ {
+ os_ << '"' << add_esc_chars( s ) << '"';
+ }
+
+ void output( bool b )
+ {
+ os_ << to_str< String_type >( b ? "true" : "false" );
+ }
+
+ template< class T >
+ void output_array_or_obj( const T& t, Char_type start_char, Char_type end_char )
+ {
+ os_ << start_char; new_line();
+
+ ++indentation_level_;
+
+ for( typename T::const_iterator i = t.begin(); i != t.end(); ++i )
+ {
+ indent(); output( *i );
+
+ typename T::const_iterator next = i;
+
+ if( ++next != t.end())
+ {
+ os_ << ',';
+ }
+
+ new_line();
+ }
+
+ --indentation_level_;
+
+ indent(); os_ << end_char;
+ }
+
+ void indent()
+ {
+ if( !pretty_ ) return;
+
+ for( int i = 0; i < indentation_level_; ++i )
+ {
+ os_ << " ";
+ }
+ }
+
+ void space()
+ {
+ if( pretty_ ) os_ << ' ';
+ }
+
+ void new_line()
+ {
+ if( pretty_ ) os_ << '\n';
+ }
+
+ Generator& operator=( const Generator& ); // to prevent "assignment operator could not be generated" warning
+
+ Ostream_type& os_;
+ int indentation_level_;
+ bool pretty_;
+ };
+
+ template< class Value_type, class Ostream_type >
+ void write_stream( const Value_type& value, Ostream_type& os, bool pretty )
+ {
+ Generator< Value_type, Ostream_type >( value, os, pretty );
+ }
+
+ template< class Value_type >
+ typename Value_type::String_type write_string( const Value_type& value, bool pretty )
+ {
+ typedef typename Value_type::String_type::value_type Char_type;
+
+ std::basic_ostringstream< Char_type > os;
+
+ write_stream( value, os, pretty );
+
+ return os.str();
+ }
+}
+
+#endif