/*
* Copyright 2020 The casbin Authors. All Rights Reserved.
*
* 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 "casbin/pch.h"

#ifndef SPLIT_CPP
#define SPLIT_CPP


#include <string.h>

#include "casbin/util/util.h"

#define LARGE 2147483647

namespace casbin {

std::vector<std::string> Split(std::string str, const std::string& del, int limit) {
    std::vector<std::string> tokens;

    if(limit <= 0)
        limit = LARGE;
    tokens.reserve((limit == LARGE) ? 0 : limit);
    for (int i = 1; i < limit ; i++) {
        size_t pos = str.find(del);
        if (pos != std::string::npos) {
            tokens.emplace_back(str.substr(0, pos));
            str = str.substr(pos + del.length());
        }
        else
            break;
    }

    tokens.emplace_back(str);

    return tokens;
}

} // namespace casbin

#endif // SPLIT_CPP