JSON Spirit library from http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx, MIT license

13 files changed, 1968 insertions, 0 deletions

diff --git a/json/LICENSE.txt b/json/LICENSE.txt
new file mode 100644
index 0000000000..fa193fe7b7
--- /dev/null
+++ b/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.

diff --git a/json/json_spirit.h b/json/json_spirit.h
new file mode 100644
index 0000000000..7dac05c360
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+++ b/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

diff --git a/json/json_spirit_error_position.h b/json/json_spirit_error_position.h
new file mode 100644
index 0000000000..4a535ff517
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_reader.cpp b/json/json_spirit_reader.cpp
new file mode 100644
index 0000000000..8e2fb5e2ab
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_reader.h b/json/json_spirit_reader.h
new file mode 100644
index 0000000000..a58bfc10fe
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+++ b/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

diff --git a/json/json_spirit_reader_template.h b/json/json_spirit_reader_template.h
new file mode 100644
index 0000000000..81cded4346
--- /dev/null
+++ b/json/json_spirit_reader_template.h
@@ -0,0 +1,612 @@
+#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_;

+        }

+

+        template< class Array_or_obj >

+        void begin_compound()

+        {

+            if( current_p_ == 0 )

+            {

+                add_first( Array_or_obj() );

+            }

+            else

+            {

+                stack_.push_back( current_p_ );

+

+                Array_or_obj new_array_or_obj;   // avoid copy by building new array or object in place

+

+                current_p_ = add_to_current( new_array_or_obj );

+            }

+        }

+

+        void end_compound()

+        {

+            if( current_p_ != &value_ )

+            {

+                current_p_ = stack_.back();

+                

+                stack_.pop_back();

+            }    

+        }

+

+        Value_type* add_to_current( const Value_type& value )

+        {

+            if( current_p_ == 0 )

+            {

+                return add_first( value );

+            }

+            else if( current_p_->type() == array_type )

+            {

+                current_p_->get_array().push_back( value );

+

+                return &current_p_->get_array().back(); 

+            }

+            

+            assert( current_p_->type() == obj_type );

+

+            return &Config_type::add( current_p_->get_obj(), name_, value );

+        }

+

+        Value_type& value_;             // this is the object or array that is being created

+        Value_type* current_p_;         // the child object or array that is currently being constructed

+

+        std::vector< Value_type* > stack_;   // previous child objects and arrays

+

+        String_type name_;              // of current name/value pair

+    };

+

+    template< typename Iter_type >

+    void throw_error( spirit_namespace::position_iterator< Iter_type > i, const std::string& reason )

+    {

+        throw Error_position( i.get_position().line, i.get_position().column, reason );

+    }

+

+    template< typename Iter_type >

+    void throw_error( Iter_type i, const std::string& reason )

+    {

+       throw reason;

+    }

+

+    // the spirit grammer 

+    //

+    template< class Value_type, class Iter_type >

+    class Json_grammer : public spirit_namespace::grammar< Json_grammer< Value_type, Iter_type > >

+    {

+    public:

+

+        typedef Semantic_actions< Value_type, Iter_type > Semantic_actions_t;

+

+        Json_grammer( Semantic_actions_t& semantic_actions )

+        :   actions_( semantic_actions )

+        {

+        }

+

+        static void throw_not_value( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "not a value" );

+        }

+

+        static void throw_not_array( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "not an array" );

+        }

+

+        static void throw_not_object( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "not an object" );

+        }

+

+        static void throw_not_pair( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "not a pair" );

+        }

+

+        static void throw_not_colon( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "no colon in pair" );

+        }

+

+        static void throw_not_string( Iter_type begin, Iter_type end )

+        {

+    	    throw_error( begin, "not a string" );

+        }

+

+        template< typename ScannerT >

+        class definition

+        {

+        public:

+

+            definition( const Json_grammer& self )

+            {

+                using namespace spirit_namespace;

+

+                typedef typename Value_type::String_type::value_type Char_type;

+

+                // first we convert the semantic action class methods to functors with the 

+                // parameter signature expected by spirit

+

+                typedef boost::function< void( Char_type )            > Char_action;

+                typedef boost::function< void( Iter_type, Iter_type ) > Str_action;

+                typedef boost::function< void( double )               > Real_action;

+                typedef boost::function< void( boost::int64_t )       > Int_action;

+                typedef boost::function< void( boost::uint64_t )      > Uint64_action;

+

+                Char_action   begin_obj  ( boost::bind( &Semantic_actions_t::begin_obj,   &self.actions_, _1 ) );

+                Char_action   end_obj    ( boost::bind( &Semantic_actions_t::end_obj,     &self.actions_, _1 ) );

+                Char_action   begin_array( boost::bind( &Semantic_actions_t::begin_array, &self.actions_, _1 ) );

+                Char_action   end_array  ( boost::bind( &Semantic_actions_t::end_array,   &self.actions_, _1 ) );

+                Str_action    new_name   ( boost::bind( &Semantic_actions_t::new_name,    &self.actions_, _1, _2 ) );

+                Str_action    new_str    ( boost::bind( &Semantic_actions_t::new_str,     &self.actions_, _1, _2 ) );

+                Str_action    new_true   ( boost::bind( &Semantic_actions_t::new_true,    &self.actions_, _1, _2 ) );

+                Str_action    new_false  ( boost::bind( &Semantic_actions_t::new_false,   &self.actions_, _1, _2 ) );

+                Str_action    new_null   ( boost::bind( &Semantic_actions_t::new_null,    &self.actions_, _1, _2 ) );

+                Real_action   new_real   ( boost::bind( &Semantic_actions_t::new_real,    &self.actions_, _1 ) );

+                Int_action    new_int    ( boost::bind( &Semantic_actions_t::new_int,     &self.actions_, _1 ) );

+                Uint64_action new_uint64 ( boost::bind( &Semantic_actions_t::new_uint64,  &self.actions_, _1 ) );

+

+                // actual grammer

+

+                json_

+                    = value_ | eps_p[ &throw_not_value ]

+                    ;

+

+                value_

+                    = string_[ new_str ] 

+                    | number_ 

+                    | object_ 

+                    | array_ 

+                    | str_p( "true" ) [ new_true  ] 

+                    | str_p( "false" )[ new_false ] 

+                    | str_p( "null" ) [ new_null  ]

+                    ;

+

+                object_ 

+                    = ch_p('{')[ begin_obj ]

+                    >> !members_

+                    >> ( ch_p('}')[ end_obj ] | eps_p[ &throw_not_object ] )

+                    ;

+

+                members_

+                    = pair_ >> *( ',' >> pair_ )

+                    ;

+

+                pair_

+                    = string_[ new_name ]

+                    >> ( ':' | eps_p[ &throw_not_colon ] )

+                    >> ( value_ | eps_p[ &throw_not_value ] )

+                    ;

+

+                array_

+                    = ch_p('[')[ begin_array ]

+                    >> !elements_

+                    >> ( ch_p(']')[ end_array ] | eps_p[ &throw_not_array ] )

+                    ;

+

+                elements_

+                    = value_ >> *( ',' >> value_ )

+                    ;

+

+                string_ 

+                    = lexeme_d // this causes white space inside a string to be retained

+                      [

+                          confix_p

+                          ( 

+                              '"', 

+                              *lex_escape_ch_p,

+                              '"'

+                          ) 

+                      ]

+                    ;

+

+                number_

+                    = strict_real_p[ new_real   ] 

+                    | int64_p      [ new_int    ]

+                    | uint64_p     [ new_uint64 ]

+                    ;

+            }

+

+            spirit_namespace::rule< ScannerT > json_, object_, members_, pair_, array_, elements_, value_, string_, number_;

+

+            const spirit_namespace::rule< ScannerT >& start() const { return json_; }

+        };

+

+    private:

+

+        Json_grammer& operator=( const Json_grammer& ); // to prevent "assignment operator could not be generated" warning

+

+        Semantic_actions_t& actions_;

+    };

+

+    template< class Iter_type, class Value_type >

+    Iter_type read_range_or_throw( Iter_type begin, Iter_type end, Value_type& value )

+    {

+        Semantic_actions< Value_type, Iter_type > semantic_actions( value );

+     

+        const spirit_namespace::parse_info< Iter_type > info = 

+                            spirit_namespace::parse( begin, end, 

+                                                    Json_grammer< Value_type, Iter_type >( semantic_actions ), 

+                                                    spirit_namespace::space_p );

+

+        if( !info.hit )

+        {

+            assert( false ); // in theory exception should already have been thrown

+            throw_error( info.stop, "error" );

+        }

+

+        return info.stop;

+    }

+

+    template< class Iter_type, class Value_type >

+    void add_posn_iter_and_read_range_or_throw( Iter_type begin, Iter_type end, Value_type& value )

+    {

+        typedef spirit_namespace::position_iterator< Iter_type > Posn_iter_t;

+

+        const Posn_iter_t posn_begin( begin, end );

+        const Posn_iter_t posn_end( end, end );

+     

+        read_range_or_throw( posn_begin, posn_end, value );

+    }

+

+    template< class Iter_type, class Value_type >

+    bool read_range( Iter_type& begin, Iter_type end, Value_type& value )

+    {

+        try

+        {

+            begin = read_range_or_throw( begin, end, value );

+

+            return true;

+        }

+        catch( ... )

+        {

+            return false;

+        }

+    }

+

+    template< class String_type, class Value_type >

+    void read_string_or_throw( const String_type& s, Value_type& value )

+    {

+        add_posn_iter_and_read_range_or_throw( s.begin(), s.end(), value );

+    }

+

+    template< class String_type, class Value_type >

+    bool read_string( const String_type& s, Value_type& value )

+    {

+        typename String_type::const_iterator begin = s.begin();

+

+        return read_range( begin, s.end(), value );

+    }

+

+    template< class Istream_type >

+    struct Multi_pass_iters

+    {

+        typedef typename Istream_type::char_type Char_type;

+        typedef std::istream_iterator< Char_type, Char_type > istream_iter;

+        typedef spirit_namespace::multi_pass< istream_iter > Mp_iter;

+

+        Multi_pass_iters( Istream_type& is )

+        {

+            is.unsetf( std::ios::skipws );

+

+            begin_ = spirit_namespace::make_multi_pass( istream_iter( is ) );

+            end_   = spirit_namespace::make_multi_pass( istream_iter() );

+        }

+

+        Mp_iter begin_;

+        Mp_iter end_;

+    };

+

+    template< class Istream_type, class Value_type >

+    bool read_stream( Istream_type& is, Value_type& value )

+    {

+        Multi_pass_iters< Istream_type > mp_iters( is );

+

+        return read_range( mp_iters.begin_, mp_iters.end_, value );

+    }

+

+    template< class Istream_type, class Value_type >

+    void read_stream_or_throw( Istream_type& is, Value_type& value )

+    {

+        const Multi_pass_iters< Istream_type > mp_iters( is );

+

+        add_posn_iter_and_read_range_or_throw( mp_iters.begin_, mp_iters.end_, value );

+    }

+}

+

+#endif

diff --git a/json/json_spirit_stream_reader.h b/json/json_spirit_stream_reader.h
new file mode 100644
index 0000000000..a9ceeacf00
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_utils.h b/json/json_spirit_utils.h
new file mode 100644
index 0000000000..7eb338e7c5
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_value.cpp b/json/json_spirit_value.cpp
new file mode 100644
index 0000000000..dd5b50e5d5
--- /dev/null
+++ b/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"

diff --git a/json/json_spirit_value.h b/json/json_spirit_value.h
new file mode 100644
index 0000000000..e8be355300
--- /dev/null
+++ b/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 )

+    {

+        Value_impl tmp( lhs );

+

+        std::swap( type_, tmp.type_ );

+        std::swap( v_, tmp.v_ );

+        std::swap( is_uint64_, tmp.is_uint64_ );

+

+        return *this;

+    }

+

+    template< class Config >

+    bool Value_impl< Config >::operator==( const Value_impl& lhs ) const

+    {

+        if( this == &lhs ) return true;

+

+        if( type() != lhs.type() ) return false;

+

+        return v_ == lhs.v_; 

+    }

+

+    template< class Config >

+    Value_type Value_impl< Config >::type() const

+    {

+        return type_;

+    }

+

+    template< class Config >

+    bool Value_impl< Config >::is_uint64() const

+    {

+        return is_uint64_;

+    }

+

+    template< class Config >

+    bool Value_impl< Config >::is_null() const

+    {

+        return type() == null_type;

+    }

+

+    template< class Config >

+    void Value_impl< Config >::check_type( const Value_type vtype ) const

+    {

+        if( type() != vtype ) 

+        {

+            std::ostringstream os;

+

+            os << "value type is " << type() << " not " << vtype;

+

+            throw std::runtime_error( os.str() );

+        }

+    }

+

+    template< class Config >

+    const typename Config::String_type& Value_impl< Config >::get_str() const

+    {

+        check_type(  str_type );

+

+        return *boost::get< String_type >( &v_ );

+    }

+

+    template< class Config >

+    const typename Value_impl< Config >::Object& Value_impl< Config >::get_obj() const

+    {

+        check_type( obj_type );

+

+        return *boost::get< Object >( &v_ );

+    }

+     

+    template< class Config >

+    const typename Value_impl< Config >::Array& Value_impl< Config >::get_array() const

+    {

+        check_type(  array_type );

+

+        return *boost::get< Array >( &v_ );

+    }

+     

+    template< class Config >

+    bool Value_impl< Config >::get_bool() const

+    {

+        check_type(  bool_type );

+

+        return boost::get< bool >( v_ );

+    }

+     

+    template< class Config >

+    int Value_impl< Config >::get_int() const

+    {

+        check_type(  int_type );

+

+        return static_cast< int >( get_int64() );

+    }

+    

+    template< class Config >

+    boost::int64_t Value_impl< Config >::get_int64() const

+    {

+        check_type(  int_type );

+

+        return boost::get< boost::int64_t >( v_ );

+    }

+    

+    template< class Config >

+    boost::uint64_t Value_impl< Config >::get_uint64() const

+    {

+        check_type(  int_type );

+

+        return static_cast< boost::uint64_t >( get_int64() );

+    }

+

+    template< class Config >

+    double Value_impl< Config >::get_real() const

+    {

+        if( type() == int_type )

+        {

+            return is_uint64() ? static_cast< double >( get_uint64() )

+                               : static_cast< double >( get_int64() );

+        }

+

+        check_type(  real_type );

+

+        return boost::get< double >( v_ );

+    }

+

+    template< class Config >

+    typename Value_impl< Config >::Object& Value_impl< Config >::get_obj()

+    {

+        check_type(  obj_type );

+

+        return *boost::get< Object >( &v_ );

+    }

+

+    template< class Config >

+    typename Value_impl< Config >::Array& Value_impl< Config >::get_array()

+    {

+        check_type(  array_type );

+

+        return *boost::get< Array >( &v_ );

+    }

+

+    template< class Config >

+    Pair_impl< Config >::Pair_impl( const String_type& name, const Value_type& value )

+    :   name_( name )

+    ,   value_( value )

+    {

+    }

+

+    template< class Config >

+    bool Pair_impl< Config >::operator==( const Pair_impl< Config >& lhs ) const

+    {

+        if( this == &lhs ) return true;

+

+        return ( name_ == lhs.name_ ) && ( value_ == lhs.value_ );

+    }

+

+    // converts a C string, ie. 8 bit char array, to a string object

+    //

+    template < class String_type >

+    String_type to_str( const char* c_str )

+    {

+        String_type result;

+

+        for( const char* p = c_str; *p != 0; ++p )

+        {

+            result += *p;

+        }

+

+        return result;

+    }

+

+    //

+

+    namespace internal_

+    {

+        template< typename T >

+        struct Type_to_type

+        {

+        };

+

+        template< class Value > 

+        int get_value( const Value& value, Type_to_type< int > )

+        {

+            return value.get_int();

+        }

+       

+        template< class Value > 

+        boost::int64_t get_value( const Value& value, Type_to_type< boost::int64_t > )

+        {

+            return value.get_int64();

+        }

+       

+        template< class Value > 

+        boost::uint64_t get_value( const Value& value, Type_to_type< boost::uint64_t > )

+        {

+            return value.get_uint64();

+        }

+       

+        template< class Value > 

+        double get_value( const Value& value, Type_to_type< double > )

+        {

+            return value.get_real();

+        }

+       

+        template< class Value > 

+        typename Value::String_type get_value( const Value& value, Type_to_type< typename Value::String_type > )

+        {

+            return value.get_str();

+        }

+       

+        template< class Value > 

+        typename Value::Array get_value( const Value& value, Type_to_type< typename Value::Array > )

+        {

+            return value.get_array();

+        }

+       

+        template< class Value > 

+        typename Value::Object get_value( const Value& value, Type_to_type< typename Value::Object > )

+        {

+            return value.get_obj();

+        }

+       

+        template< class Value > 

+        bool get_value( const Value& value, Type_to_type< bool > )

+        {

+            return value.get_bool();

+        }

+    }

+

+    template< class Config >

+    template< typename T > 

+    T Value_impl< Config >::get_value() const

+    {

+        return internal_::get_value( *this, internal_::Type_to_type< T >() );

+    }

+}

+

+#endif

diff --git a/json/json_spirit_writer.cpp b/json/json_spirit_writer.cpp
new file mode 100644
index 0000000000..f3367b68de
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_writer.h b/json/json_spirit_writer.h
new file mode 100644
index 0000000000..1b67b512df
--- /dev/null
+++ b/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

diff --git a/json/json_spirit_writer_template.h b/json/json_spirit_writer_template.h
new file mode 100644
index 0000000000..c993756555
--- /dev/null
+++ b/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