diff options
| author | s_nakamoto <s_nakamoto@1a98c847-1fd6-4fd8-948a-caf3550aa51b> | 2010-02-10 19:41:22 +0000 |
|---|---|---|
| committer | s_nakamoto <s_nakamoto@1a98c847-1fd6-4fd8-948a-caf3550aa51b> | 2010-02-10 19:41:22 +0000 |
| commit | 40d324f102295b8eea70ec9ac6b42be417cbbfb8 (patch) | |
| tree | 449039c92ef7b69afb7f6864032748d444c368a1 /json/json_spirit_stream_reader.h | |
| parent | 1c5d5e58c67e63fd83afd945c7db1190de62514a (diff) | |
JSON Spirit library from http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx, MIT license
Diffstat (limited to 'json/json_spirit_stream_reader.h')
| -rw-r--r-- | json/json_spirit_stream_reader.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/json/json_spirit_stream_reader.h b/json/json_spirit_stream_reader.h new file mode 100644 index 0000000000..a9ceeacf00 --- /dev/null +++ b/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
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