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GenericDocument: add implicit conversion to ParseResult

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To simplify the error handling, this commit adds an implicit conversion
of GenericDocument to ParseResult, allowing code like (already in the
documentation):

   ParseResult ok = doc.Parse(json);
   if (!ok) // ...
This commit is contained in:
Philipp A. Hartmann 2015-11-26 22:30:59 +01:00
parent 8ec389f167
commit 98959e2820
1 changed files with 11 additions and 0 deletions
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11
include/rapidjson/document.h
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@ -1986,6 +1986,17 @@ public:
//! Get the position of last parsing error in input, 0 otherwise.
size_t GetErrorOffset() const { return parseResult_.Offset(); }
//! Implicit conversion to get the last parse result
/*! \return \ref ParseResult of the last parse operation
\code
Document doc;
ParseResult ok = doc.Parse(json);
if (!ok)
printf( "JSON parse error: %s (%u)\n", GetParseError_En(ok.Code()), ok.Offset());
\endcode
*/
operator ParseResult() const { return parseResult_; }
//!@}
//! Get the allocator of this document.