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relax expression_grammar: allow _ underscore characters in global attribute names

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artemp 2017-01-11 10:38:11 +01:00
parent 11c3d97654
commit 91f9508654
1 changed files with 1 additions and 1 deletions
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include/mapnik/expression_grammar_x3_def.hpp
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@ -348,7 +348,7 @@ namespace mapnik { namespace grammar {
('-' > multiplicative_expression[do_subt]));
auto const feature_attr = lexeme['[' > +~char_(']') > ']'];
auto const global_attr = x3::rule<class global_attr, std::string> {} = lexeme[lit('@') > alpha > *alnum];
auto const global_attr = x3::rule<class global_attr, std::string> {} = lexeme[lit('@') > char_("a-zA-Z_") > *char_("a-zA-Z0-9_")];
auto const regex_match_expression_def = lit(".match") > '(' > quoted_string > ')';
auto const regex_replace_expression_def = lit(".replace") > '(' > quoted_string > ',' > quoted_string > ')';