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author | Jeff Garzik <jeff@garzik.org> | 2011-05-09 14:00:14 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2011-05-09 14:00:14 -0400 |
commit | b17be7e14b4a62b7935c75fe7e7645e736fd68d2 (patch) | |
tree | be44c7310683df72aeb5781ec74a85451206cfbc /src/json/json_spirit_stream_reader.h | |
parent | c0430f42b868dbf996a416d3a9d81d1c8c07e47c (diff) | |
parent | 84c3fb07b0b8199c7f85c5de280e7100bad0786f (diff) |
Manual merge of jaromil's source tree reorg commit.
Conflicts:
src/sha256.cpp
Diffstat (limited to 'src/json/json_spirit_stream_reader.h')
-rw-r--r-- | src/json/json_spirit_stream_reader.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/json/json_spirit_stream_reader.h b/src/json/json_spirit_stream_reader.h new file mode 100644 index 0000000000..7e59c9adc2 --- /dev/null +++ b/src/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 |