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Posted 19 Mar 2008
Licenced CPOL

Parse date time string with spirit

, 19 Mar 2008
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A sample show how to parse date with boost spirit framework


This article include a sample show how to use boost spirit framework parse a date time string like "1999-01-20T00:01:22".


The XML schema define the date time format like this "2000-01-30T00:10:20+1".

Using the code

First create your parser

struct myparser: public grammar<myparser>
  template <typename ScannerT>
  struct definition
    definition(myparser const& self)
      first = int_p[assign(self.date_.year_)] >> "-" >> int_p[assign(self.date_.month_)] 
      >> "-" >> int_p[assign(self.date_.day_)] >> "T" >> int_p[assign(self.date_.hour_)] 
      >> ":" >> int_p[assign(self.date_.minute_)] >> ":" >> int_p[assign(self.date_.second_)] ;
    rule<ScannerT> first;
    rule<ScannerT> const&
    start() const { return first; }
  myparser(date& d):date_(d){};
  date& date_;

Then invoke the parser:

bool parse_date(char const* str, date& d)
  myparser p(d);
  return parse(str, p).full;

Points of Interest

This parser can be improved to support more flexible format



This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

ZhengPing Wang
Software Developer (Senior)
China China
Programmer live in china.
Interesting with knowledge management.

My home page:

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Comments and Discussions

QuestionOverkill? Pin
PatLeCat20-Mar-08 3:05
memberPatLeCat20-Mar-08 3:05 
AnswerRe: Overkill? Pin
ComaWhite8616-Nov-08 10:33
memberComaWhite8616-Nov-08 10:33 

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