Expression.cc

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//
// Expression.cc
//
// Created on October 26th 2018
//
// Copyright 2018 CFM (www.cfm.fr)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include "Expression.h"


namespace AnyCollect {
    std::cmatch Expression::match{};
    
    Expression::Expression(const std::string& pattern) noexcept :
        regex_(pattern, std::regex_constants::ECMAScript | std::regex_constants::optimize)
    { }


    std::vector<std::shared_ptr<Matcher>>& Expression::matchers() noexcept {
        return this->matchers_;
    }

    const std::vector<std::shared_ptr<Matcher>>& Expression::matchers() const noexcept {
        return this->matchers_;
    }

    const std::cmatch& Expression::apply(std::string_view::const_iterator begin, std::string_view::const_iterator end) {
        std::regex_search(begin, end, match, this->regex_, std::regex_constants::match_default);
        return match;
    }
}