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dindexer/lib/glob2regex/src/glob_node_structs.hpp

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C++

/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* "dindexer" is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id74048277752B4B85935C50F117F65DBE
#define id74048277752B4B85935C50F117F65DBE
#include <boost/fusion/adapted/struct.hpp>
#include <boost/variant/variant.hpp>
#include <boost/variant/recursive_wrapper.hpp>
#include <vector>
#include <string>
#include <ciso646>
#include <cstdint>
namespace g2r {
struct GlobAlternation;
struct GlobGroup {
bool negated;
std::string characters;
};
struct GlobJolly {
GlobJolly ( void ) = default;
constexpr GlobJolly ( const GlobJolly& ) = default;
constexpr GlobJolly ( uint16_t m, uint16_t M, bool s) :
match_length_min(m),
match_length_max(M),
match_slash(s)
{
}
constexpr bool operator< ( GlobJolly o ) const {
return
// slash = 0, o.slash = 1
(not match_slash and o.match_slash) or
// slash = o.slash
((not (match_slash xor o.match_slash)) and
// max < o.max
(((match_length_max < o.match_length_max) or
// max == o.max
(not (match_length_max xor o.match_length_max) and
// min < o.min
match_length_min < o.match_length_min))));
}
uint16_t match_length_min;
uint16_t match_length_max;
bool match_slash;
};
} //namespace g2r
BOOST_FUSION_ADAPT_STRUCT(
g2r::GlobGroup,
(bool, negated)
(std::string, characters)
);
BOOST_FUSION_ADAPT_STRUCT(
g2r::GlobJolly,
(uint16_t, match_length_min)
(uint16_t, match_length_max)
(bool, match_slash)
);
namespace g2r {
using GlobNode = boost::variant<
boost::recursive_wrapper<GlobAlternation>,
GlobGroup,
std::string,
GlobJolly
>;
using GlobExpression = std::vector<GlobNode>;
struct GlobAlternation {
std::vector<GlobExpression> alternatives;
};
} //namespace g2r
BOOST_FUSION_ADAPT_STRUCT(
g2r::GlobAlternation,
(std::vector<g2r::GlobExpression>, alternatives)
);
static_assert(g2r::GlobJolly(1, 2, false) < g2r::GlobJolly(0, 0, true), "Wrong less than");
static_assert(not (g2r::GlobJolly(1, 2, false) < g2r::GlobJolly(1, 2, false)), "Wrong less than");
static_assert(g2r::GlobJolly(10, 2, false) < g2r::GlobJolly(0, 3, false), "Wrong less than");
static_assert(g2r::GlobJolly(10, 2, true) < g2r::GlobJolly(0, 3, true), "Wrong less than");
static_assert(not (g2r::GlobJolly(10, 3, false) < g2r::GlobJolly(0, 2, false)), "Wrong less than");
static_assert(not (g2r::GlobJolly(10, 3, true) < g2r::GlobJolly(0, 2, true)), "Wrong less than");
static_assert(g2r::GlobJolly(10, 3, false) < g2r::GlobJolly(11, 3, false), "Wrong less than");
static_assert(g2r::GlobJolly(10, 3, true) < g2r::GlobJolly(11, 3, true), "Wrong less than");
#endif