77 lines
2.3 KiB
C++
Executable File
77 lines
2.3 KiB
C++
Executable File
#include <fstream>
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#include <iostream>
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#include <queue>
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#include <stack>
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#include <string>
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#include <unordered_set>
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const string ALPHABET = "abcdefghijklmnopqrstuvwxyz";
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const char *const FORMAT_UNDERSCORE = "\033[4m";
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const char *const END_FORMATTING = "\033[0m";
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const char *const DICTIONARY_PATH = "./dictionary.txt";
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std::string input(const char *message) {
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if (message != nullptr)
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std::cout << message;
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std::cout << FORMAT_UNDERSCORE;
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std::flush(std::cout);
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std::string ret;
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std::getline(std::cin, ret);
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std::cout << END_FORMATTING;
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return ret;
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}
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std::string fileRead(const std::string &filePath) {
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std::ifstream file(filePath, std::ios::binary);
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if (!file.is_open())
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throw std::runtime_error("File couldn't be found");
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std::string content;
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const int BUF_LENGTH = 1024;
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char buf[BUF_LENGTH];
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while (file.read(buf, BUF_LENGTH))
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content.append(buf, file.gcount());
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content.append(buf, file.gcount());
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if (!file.eof() && file.fail())
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throw std::runtime_error("Error: Failed to read the file '" + filePath +
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"'");
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return content;
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}
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std::unordered_set<std::string> readDictionary() {
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std::string fileContent = fileRead(DICTIONARY_PATH);
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std::unordered_set<std::string> set;
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size_t last = 0, idx;
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while ((idx = fileContent.find('\n', last)) != std::string::npos) {
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std::string sub = fileContent.substr(last, idx - last);
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set.insert(sub);
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last = idx + 1;
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}
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set.insert(fileContent.substr(last));
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return set;
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}
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int main() {
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std::cout << "Welcome to TDDD86 Word Chain.\n"
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<< "If you give me two English words, I will transform the\n"
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<< "first into the second by changing one letter at a time.\n\n"
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<<"Please type two words: ";
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std::flush(std::cout);
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std::unordered_set<std::string> dictionary = readDictionary();
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std::string userInput = input(nullptr);
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size_t wordSep = userInput.find(' ');
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std::string wordOne = userInput.substr(0, wordSep);
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std::string wordTwo = userInput.substr(wordSep + 1);
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std::cout << "Chain from " << wordTwo << " to " << wordOne << std::endl;
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std::cout << "Have a nice day!" << std::endl;
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return 0;
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}
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