71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#ifndef JSON_SPIRIT_READ_STREAM
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#define JSON_SPIRIT_READ_STREAM
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// Copyright John W. Wilkinson 2007 - 2009.
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// Distributed under the MIT License, see accompanying file LICENSE.txt
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// json spirit version 4.03
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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#include "json_spirit_reader_template.h"
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namespace json_spirit
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{
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// these classes allows you to read multiple top level contiguous values from a stream,
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// the normal stream read functions have a bug that prevent multiple top level values
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// from being read unless they are separated by spaces
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template< class Istream_type, class Value_type >
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class Stream_reader
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{
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public:
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Stream_reader( Istream_type& is )
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: iters_( is )
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{
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}
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bool read_next( Value_type& value )
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{
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return read_range( iters_.begin_, iters_.end_, value );
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}
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private:
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typedef Multi_pass_iters< Istream_type > Mp_iters;
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Mp_iters iters_;
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};
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template< class Istream_type, class Value_type >
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class Stream_reader_thrower
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{
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public:
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Stream_reader_thrower( Istream_type& is )
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: iters_( is )
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, posn_begin_( iters_.begin_, iters_.end_ )
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, posn_end_( iters_.end_, iters_.end_ )
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{
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}
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void read_next( Value_type& value )
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{
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posn_begin_ = read_range_or_throw( posn_begin_, posn_end_, value );
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}
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private:
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typedef Multi_pass_iters< Istream_type > Mp_iters;
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typedef spirit_namespace::position_iterator< typename Mp_iters::Mp_iter > Posn_iter_t;
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Mp_iters iters_;
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Posn_iter_t posn_begin_, posn_end_;
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};
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}
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#endif
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