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view json/json_spirit_stream_reader.h @ 45:ee9109c582d2 draft
JSON Spirit library from http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx, MIT license
git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@58 1a98c847-1fd6-4fd8-948a-caf3550aa51b
author | s_nakamoto <s_nakamoto@1a98c847-1fd6-4fd8-948a-caf3550aa51b> |
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date | Wed, 10 Feb 2010 19:41:22 +0000 |
parents | |
children | a32c592fab07 |
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#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