| Index: trunk/extensions/AbuseFilter/parser_native/filter_evaluator.cpp |
| — | — | @@ -0,0 +1,53 @@ |
| | 2 | +/* |
| | 3 | + * Copyright (c) 2008 Andrew Garrett. |
| | 4 | + * Copyright (c) 2008 River Tarnell <river@wikimedia.org> |
| | 5 | + * Derived from public domain code contributed by Victor Vasiliev. |
| | 6 | + * |
| | 7 | + * Permission is granted to anyone to use this software for any purpose, |
| | 8 | + * including commercial applications, and to alter it and redistribute it |
| | 9 | + * freely. This software is provided 'as-is', without any express or |
| | 10 | + * implied warranty. |
| | 11 | + */ |
| | 12 | + |
| | 13 | +#include "filter_evaluator.h" |
| | 14 | + |
| | 15 | +namespace afp { |
| | 16 | + |
| | 17 | +filter_evaluator::filter_evaluator() |
| | 18 | +{ |
| | 19 | + e.add_function(make_astring<UChar32, char>("length"), af_length<UChar32>); |
| | 20 | + e.add_function(make_astring<UChar32, char>("lcase"), af_lcase<UChar32>); |
| | 21 | + e.add_function(make_astring<UChar32, char>("ccnorm"), af_ccnorm<UChar32>); |
| | 22 | + e.add_function(make_astring<UChar32, char>("rmdoubles"), af_rmdoubles<UChar32>); |
| | 23 | + e.add_function(make_astring<UChar32, char>("specialratio"), af_specialratio<UChar32>); |
| | 24 | + e.add_function(make_astring<UChar32, char>("rmspecials"), af_rmspecials<UChar32>); |
| | 25 | + e.add_function(make_astring<UChar32, char>("norm"), af_norm<UChar32>); |
| | 26 | + e.add_function(make_astring<UChar32, char>("count"), af_count<UChar32>); |
| | 27 | +} |
| | 28 | + |
| | 29 | +void |
| | 30 | +filter_evaluator::clear_variables() |
| | 31 | +{ |
| | 32 | + e.clear_variables(); |
| | 33 | +} |
| | 34 | + |
| | 35 | +bool |
| | 36 | +filter_evaluator::evaluate(u32fray const &filter) const |
| | 37 | +{ |
| | 38 | + try { |
| | 39 | + return e.evaluate(filter).toBool(); |
| | 40 | + } catch (std::exception &e) { |
| | 41 | + std::cerr << "can't evaluate filter: " << e.what() << '\n'; |
| | 42 | + return false; |
| | 43 | + } |
| | 44 | +} |
| | 45 | + |
| | 46 | +void |
| | 47 | +filter_evaluator::add_variable( |
| | 48 | + u32fray const &key, |
| | 49 | + u32datum const &value) |
| | 50 | +{ |
| | 51 | + e.add_variable(key, value); |
| | 52 | +} |
| | 53 | + |
| | 54 | +} // namespace afp |