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genesis                 1 #ifndef JSON_SPIRIT_READ_STREAM
genesis                 2 #define JSON_SPIRIT_READ_STREAM
genesis                 3 
genesis                 4 //          Copyright John W. Wilkinson 2007 - 2009.
genesis                 5 // Distributed under the MIT License, see accompanying file LICENSE.txt
genesis                 6 
genesis                 7 // json spirit version 4.03
genesis                 8 
genesis                 9 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
genesis                10 # pragma once
genesis                11 #endif
genesis                12 
genesis                13 #include "json_spirit_reader_template.h"
genesis                14 
genesis                15 namespace json_spirit
genesis                16 {
genesis                17     // these classes allows you to read multiple top level contiguous values from a stream,
genesis                18     // the normal stream read functions have a bug that prevent multiple top level values 
genesis                19     // from being read unless they are separated by spaces
genesis                20 
genesis                21     template< class Istream_type, class Value_type >
genesis                22     class Stream_reader
genesis                23     {
genesis                24     public:
genesis                25 
genesis                26         Stream_reader( Istream_type& is )
genesis                27         :   iters_( is )
genesis                28         {
genesis                29         }
genesis                30 
genesis                31         bool read_next( Value_type& value )
genesis                32         {
genesis                33             return read_range( iters_.begin_, iters_.end_, value );
genesis                34         }
genesis                35 
genesis                36     private:
genesis                37 
genesis                38         typedef Multi_pass_iters< Istream_type > Mp_iters;
genesis                39 
genesis                40         Mp_iters iters_;
genesis                41     };
genesis                42 
genesis                43     template< class Istream_type, class Value_type >
genesis                44     class Stream_reader_thrower
genesis                45     {
genesis                46     public:
genesis                47 
genesis                48         Stream_reader_thrower( Istream_type& is )
genesis                49         :   iters_( is )
genesis                50         ,    posn_begin_( iters_.begin_, iters_.end_ )
genesis                51         ,    posn_end_( iters_.end_, iters_.end_ )
genesis                52         {
genesis                53         }
genesis                54 
genesis                55         void read_next( Value_type& value )
genesis                56         {
genesis                57             posn_begin_ = read_range_or_throw( posn_begin_, posn_end_, value );
genesis                58         }
genesis                59 
genesis                60     private:
genesis                61 
genesis                62         typedef Multi_pass_iters< Istream_type > Mp_iters;
genesis                63         typedef spirit_namespace::position_iterator< typename Mp_iters::Mp_iter > Posn_iter_t;
genesis                64 
genesis                65         Mp_iters iters_;
genesis                66         Posn_iter_t posn_begin_, posn_end_;
genesis                67     };
genesis                68 }
genesis                69 
genesis                70 #endif