СПРИНТ №1 | Структуры и классы | Урок 6: Методы классов 3/5

#include <algorithm>
#include <iostream>
#include <set>
#include <string>
#include <utility>
#include <vector>

using namespace std;

const int MAX_RESULT_DOCUMENT_COUNT = 5;

string ReadLine() {
    string s;
    getline(cin, s);
    return s;
}

int ReadLineWithNumber() {
    int result = 0;
    cin >> result;
    ReadLine();
    return result;
}

vector<string> SplitIntoWords(const string& text) {
    vector<string> words;
    string word;
    for (const char c : text) {
        if (c == ' ') {
            if (!word.empty()) {
                words.push_back(word);
                word.clear();
            }
        }
        else {
            word += c;
        }
    }
    if (!word.empty()) {
        words.push_back(word);
    }

    return words;
}


class SearchServer {
public:

    void AddDocument(int document_id, const string& document) {
        const vector<string> words = SplitIntoWordsNoStop(document, stop_words_);
        documents_.push_back({ document_id, words });
    }

    set<string> SetStopWords(const string& text) {
        set<string> stop_words;
        for (const string& word : SplitIntoWords(text)) {
            stop_words_.insert(word);
        }
        return stop_words_;
    }

private:
    struct DocumentContent {
        int id = 0;
        vector<string> words;
    };

    vector<string> SplitIntoWordsNoStop(const string& text, const set<string>& stop_words) {
        vector<string> words;
        for (const string& word : SplitIntoWords(text)) {
            if (stop_words.count(word) == 0) {
                words.push_back(word);
            }
        }
        return words;
    }

    vector<DocumentContent> documents_;
    set<string> stop_words_;
};