lbug 0.15.4

An in-process property graph database management system built for query speed and scalability
Documentation 
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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
 * Use of this file is governed by the BSD 3-clause license that
 * can be found in the LICENSE.txt file in the project root.
 */

#pragma once

#include "antlr4-common.h"

namespace antlrcpp {

  class ANTLR4CPP_PUBLIC Arrays {
  public:

    static std::string listToString(const std::vector<std::string> &list, const std::string &separator);

    template <typename T>
    static bool equals(const std::vector<T> &a, const std::vector<T> &b) {
      if (a.size() != b.size())
        return false;

      for (size_t i = 0; i < a.size(); ++i)
        if (!(a[i] == b[i]))
          return false;

      return true;
    }

    template <typename T>
    static bool equals(const std::vector<T *> &a, const std::vector<T *> &b) {
      if (a.size() != b.size())
        return false;

      for (size_t i = 0; i < a.size(); ++i) {
        if (!a[i] && !b[i])
          continue;
        if (!a[i] || !b[i])
          return false;
        if (a[i] == b[i])
          continue;

        if (!(*a[i] == *b[i]))
          return false;
      }

      return true;
    }

    template <typename T>
    static bool equals(const std::vector<Ref<T>> &a, const std::vector<Ref<T>> &b) {
      if (a.size() != b.size())
        return false;

      for (size_t i = 0; i < a.size(); ++i) {
        if (!a[i] && !b[i])
          continue;
        if (!a[i] || !b[i])
          return false;
        if (a[i] == b[i])
          continue;

        if (!(*a[i] == *b[i]))
          return false;
      }

      return true;
    }

    template <typename T>
    static bool equals(const std::vector<std::unique_ptr<T>> &a, const std::vector<std::unique_ptr<T>> &b) {
      if (a.size() != b.size())
        return false;

      for (size_t i = 0; i < a.size(); ++i) {
        if (!a[i] && !b[i])
          continue;
        if (!a[i] || !b[i])
          return false;
        if (a[i] == b[i])
          continue;

        if (!(*a[i] == *b[i]))
          return false;
      }

      return true;
    }

    template <typename T>
    static std::string toString(const std::vector<T> &source) {
      std::string result = "[";
      bool firstEntry = true;
      for (auto &value : source) {
        result += value.toString();
        if (firstEntry) {
          result += ", ";
          firstEntry = false;
        }
      }
      return result + "]";
    }

    template <typename T>
    static std::string toString(const std::vector<Ref<T>> &source) {
      std::string result = "[";
      bool firstEntry = true;
      for (auto &value : source) {
        result += value->toString();
        if (firstEntry) {
          result += ", ";
          firstEntry = false;
        }
      }
      return result + "]";
    }

    template <typename T>
    static std::string toString(const std::vector<std::unique_ptr<T>> &source) {
      std::string result = "[";
      bool firstEntry = true;
      for (auto &value : source) {
        result += value->toString();
        if (firstEntry) {
          result += ", ";
          firstEntry = false;
        }
      }
      return result + "]";
    }

    template <typename T>
    static std::string toString(const std::vector<T *> &source) {
      std::string result = "[";
      bool firstEntry = true;
      for (auto value : source) {
        result += value->toString();
        if (firstEntry) {
          result += ", ";
          firstEntry = false;
        }
      }
      return result + "]";
    }

  };

  template <>
  std::string Arrays::toString(const std::vector<antlr4::tree::ParseTree *> &source);
}