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+ allow empty strings in expressions e.g [name] <> ''

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This commit is contained in:
Artem Pavlenko 2010-06-22 13:06:55 +00:00
parent 392ae66941
commit 8c8f303429
1 changed files with 1 additions and 1 deletions
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include/mapnik/expression_grammar.hpp
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@ -213,7 +213,7 @@ struct expression_grammar : qi::grammar<Iterator, expr_node(), space_type>
; ;
attr %= '[' >> +(char_ - ']') >> ']'; attr %= '[' >> +(char_ - ']') >> ']';
ustring %= '\'' >> no_skip[+~char_('\'')] >> '\''; ustring %= '\'' >> no_skip[*~char_('\'')] >> '\'';
} }
qi::real_parser<double, qi::strict_real_policies<double> > strict_double; qi::real_parser<double, qi::strict_real_policies<double> > strict_double;