boost/date_time/find_match.hpp

0001 #ifndef _BOOST_DATE_TIME_FIND_MATCH_HPP___
0002 #define _BOOST_DATE_TIME_FIND_MATCH_HPP___
0003
0004 /* Copyright (c) 2002,2003,2005 CrystalClear Software, Inc.
0005  * Use, modification and distribution is subject to the
0006  * Boost Software License, Version 1.0. (See accompanying
0007  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
0008  * Author: Jeff Garland, Bart Garst
0009  * $Date$
0010  */
0011
0012 #include <string>
0013
0014 namespace boost {
0015 namespace date_time {
0016
0017
0018     //! Find index of a string in either of 2 arrays
0019     /*! find_match searches both arrays for a match to 's'. Both arrays
0020      * must contain 'size' elements. The index of the match is returned.
0021      * If no match is found, 'size' is returned.
0022      * Ex. "Jan" returns 0, "Dec" returns 11, "Tue" returns 2.
0023      * 'size' can be sent in with: (greg_month::max)() (which 12),
0024      * (greg_weekday::max)() + 1 (which is 7) or date_time::NumSpecialValues */
0025     template<class charT>
0026     short find_match(const charT* const* short_names,
0027                      const charT* const* long_names,
0028                      short size,
0029                      const std::basic_string<charT>& s) {
0030       for(short i = 0; i < size; ++i){
0031         if(short_names[i] == s || long_names[i] == s){
0032           return i;
0033         }
0034       }
0035       return size; // not-found, return a value out of range
0036     }
0037
0038
0039 } } //namespace date_time
0040
0041
0042 #endif