From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/json_spirit/json_spirit_stream_reader.h | 70 +++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/json_spirit/json_spirit_stream_reader.h (limited to 'src/json_spirit/json_spirit_stream_reader.h') diff --git a/src/json_spirit/json_spirit_stream_reader.h b/src/json_spirit/json_spirit_stream_reader.h new file mode 100644 index 000000000..916725c15 --- /dev/null +++ b/src/json_spirit/json_spirit_stream_reader.h @@ -0,0 +1,70 @@ +#ifndef JSON_SPIRIT_READ_STREAM +#define JSON_SPIRIT_READ_STREAM + +// Copyright John W. Wilkinson 2007 - 2011 +// Distributed under the MIT License, see accompanying file LICENSE.txt + +// json spirit version 4.05 + +#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 -- cgit v1.2.3