user
4 years ago
commit
a0d097b025
5 changed files with 505 additions and 0 deletions
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[submodule "libtelegram"] |
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path = libtelegram |
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url = https://github.com/slowriot/libtelegram.git |
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cmake_minimum_required (VERSION 3.12) |
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set(PROJECT_NAME "markov bot") |
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project (${PROJECT_NAME}) |
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set_property (GLOBAL PROPERTY USE_FOLDERS ON) |
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set (CMAKE_CXX_STANDARD 17) |
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set (CMAKE_CXX_STANDARD_REQUIRED ON) |
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set (THREADS_PREFER_PTHREAD_FLAG ON) |
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find_package (Threads REQUIRED) |
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find_package(Boost 1.66 REQUIRED COMPONENTS system) |
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IF(Boost_FOUND) |
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include_directories(${Boost_INCLUDE_DIRS}) |
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ELSE() |
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message(FATAL "${CMAKE_SOURCE_DIR}/libtelegram/include") |
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ENDIF(Boost_FOUND) |
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find_package(OpenSSL REQUIRED) |
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set(include_dir "${CMAKE_SOURCE_DIR}/libtelegram/include") |
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message(STATUS "include_dir: ${include_dir}") |
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include_directories (${include_dir}) |
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set(link_libs |
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Threads::Threads |
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OpenSSL::SSL |
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Boost::system |
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SQLiteCpp |
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sqlite3 |
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dl) |
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macro(add_tg_example name) |
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set(target_name ${name}) |
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add_executable(${target_name} ${name}.cpp) |
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target_link_libraries(${target_name} ${link_libs}) |
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endmacro(add_tg_example name) |
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add_tg_example(bot) |
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## Building on Fedora |
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``` |
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sudo dnf install boost-devel sqlitecpp-devel openssl-devel |
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cmake . |
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make |
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``` |
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#include <SQLiteCpp/SQLiteCpp.h> |
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#include <libtelegram/libtelegram.h> |
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#include <boost/algorithm/string.hpp> |
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#include <vector> |
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#include <sstream> |
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#include <algorithm> |
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#include <iterator> |
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#include <regex> |
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std::string get_token() { |
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using namespace std; |
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fstream ftoken; |
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ftoken.open("apikey.txt", ios::in); |
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if (!ftoken) { |
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perror("No apikey.txt file provided"); |
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exit(1); |
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} |
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string apikey; |
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ftoken >> apikey; |
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return apikey; |
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} |
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class SQLiteMarkov { |
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public:
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int order; |
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private: |
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std::string db_filename; |
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SQLite::Database data; |
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const int WORD_SIZE = 400; |
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const int MAX_REPLY_LENGTH = 500; |
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const std::string INSERT_STATEMENT; |
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const std::string UPDATE_STATEMENT; |
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const std::string QUERY_STATEMENT; |
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std::string get_filepath(std::string fp) { |
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std::string filePath(__FILE__); |
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return filePath.substr( 0, filePath.length() - std::string("bot.cpp").length())
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+ fp; |
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} |
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SQLite::Database open_db() { |
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try { |
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return SQLite::Database (db_filename, SQLite::OPEN_READWRITE); |
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} catch (std::exception& e)
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{ |
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std::cout << "exception: " << e.what() << std::endl; |
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} |
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std::cout << "Creating new db: '" << db_filename << "'" << std::endl; |
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return SQLite::Database (db_filename, SQLite::OPEN_CREATE|SQLite::OPEN_READWRITE); |
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} |
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SQLite::Database Initialise_Data() { |
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SQLite::Database db = open_db(); |
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SQLite::Statement query(db, "SELECT name from sqlite_master WHERE name = 'markov'"); |
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try
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{ |
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if (query.executeStep()) { |
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std::cout << "database ready." << std::endl; |
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return db; |
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} |
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} |
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catch (std::exception& e) |
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{ |
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std::cout << "exception: " << e.what() << std::endl; |
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} |
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// create table sql statement construction
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std::string ins = "CREATE TABLE markov (\n"; |
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for (int i = 0; i < order + 1; i ++) { |
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ins += "word_" + std::to_string(i) + " VARCHAR(" +
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std::to_string(WORD_SIZE) + ") NOT NULL,\n"; |
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} |
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ins += "count INTEGER NOT NULL, \n PRIMARY KEY ("; |
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for (int i = 0; i < order + 1; i ++) { |
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ins += "word_" + std::to_string(i); |
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if (i != order) { |
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ins += ","; |
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} |
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} |
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ins += " )\n);"; |
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// run create table instruction
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SQLite::Transaction transaction(db); |
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db.exec(ins); |
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transaction.commit(); |
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return db; |
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} |
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std::string get_update_statement_string() { |
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std::string update_template = "UPDATE markov SET count = ? WHERE\n"; |
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for (int i = 0; i < order + 1; i++) { |
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update_template += "word_" + std::to_string(i); |
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update_template += " = ? "; |
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if (i != order) { |
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update_template += "AND "; |
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} |
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} |
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return update_template; |
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} |
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std::string get_select_statement_string() { |
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std::string update_template = "SELECT * FROM markov WHERE " ; |
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for (int i = 0; i < order; i++) { |
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update_template += "word_" + std::to_string(i); |
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update_template += " = ? "; |
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if (i != order - 1) { |
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update_template += "AND "; |
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} |
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} |
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update_template += ";"; |
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return update_template; |
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} |
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std::string get_insert_statement_string() { |
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std::string update_template = "INSERT INTO markov VALUES (" ; |
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for (int i = 0; i < order + 1; i++) { |
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update_template += "?" ; |
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if (i != order) { |
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update_template += ", "; |
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} else { |
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update_template += ", ?)"; |
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} |
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} |
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return update_template; |
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} |
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bool update_count(std::vector<std::string> words, int count) { |
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std::string update_template = UPDATE_STATEMENT; |
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SQLite::Statement increment(data, update_template); |
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increment.bind(1, count); |
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for (int i = 0; i < order + 1; i++) { |
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std::cout << i << ": " << words[i]; |
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increment.bind(i + 2, words[i]); |
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} |
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return increment.executeStep(); |
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} |
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bool insert_record(std::vector<std::string> words, int count) { |
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std::string update_template = INSERT_STATEMENT; |
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SQLite::Statement increment(data, update_template); |
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for (int i = 0; i < order + 1; i++) { |
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std::cout << i << ": " << words[i]; |
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increment.bind(i + 1, words[i]); |
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} |
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increment.bind(order + 2, count); |
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return increment.executeStep(); |
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} |
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bool add_to_db(std::vector<std::string> words) { |
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// UPDATE COMPANY SET ADDRESS = 'Texas' WHERE ID = 6;
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std::string query_template = "SELECT count FROM markov WHERE "; |
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for (int i = 0; i < order + 1; i++) { |
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query_template += "word_" + std::to_string(i); |
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query_template += " = ? "; |
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if (i != order) { |
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query_template += "AND "; |
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} |
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} |
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SQLite::Statement update(data, query_template); |
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for (int i = 1; i < order + 2; i++) { |
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update.bind(i, words[i-1]); |
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} |
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int count = 0; |
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if (update.executeStep()) { |
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count = update.getColumn(0);
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count += 1; |
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update_count(words, count); |
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} else { |
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count = 1; |
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insert_record(words, count); |
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} |
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return false; |
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} |
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std::string get_next_word(std::vector<std::string> words) { |
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if (words.size() != order) { |
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throw "Invalid prompt vector size"; |
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return ""; |
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} |
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SQLite::Statement query(data, QUERY_STATEMENT); |
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for (int i = 0; i < order; i++) { |
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query.bind(i+1, words[i]); |
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} |
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int total = 0; |
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while (query.executeStep()) { |
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int count = query.getColumn(order + 1); |
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total += count; |
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} |
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total += 1; |
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int threshold = rand() % total; |
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// count up to threshold
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// pretty sure the order doesn't matter statistically?
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// Obviously it will have an impact but I think the distribution should
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// be the same whether the list is ordered by frequency or not
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query.reset(); |
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total = 0; |
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std::vector<std::string> message; |
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while (query.executeStep()) { |
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int count = query.getColumn(order + 1); |
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total += count; |
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if (total >= threshold) { |
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std::string next_word = query.getColumn(order); |
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return next_word; |
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} |
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} |
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std::cout << "No matches found" << std::endl; |
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throw "No next word found"; |
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return ""; |
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} |
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public: |
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SQLiteMarkov(int ord, std::string dbname): order(ord), |
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db_filename(get_filepath(dbname)),
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data(Initialise_Data()), |
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INSERT_STATEMENT(get_insert_statement_string()), |
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QUERY_STATEMENT(get_select_statement_string()), |
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UPDATE_STATEMENT(get_update_statement_string()) |
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{;}; |
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SQLiteMarkov(int ord): order(ord),
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db_filename(get_filepath("markov.sqlite")),
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data(Initialise_Data()), |
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INSERT_STATEMENT(get_insert_statement_string()), |
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QUERY_STATEMENT(get_select_statement_string()), |
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UPDATE_STATEMENT(get_update_statement_string()) |
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{;}; |
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SQLiteMarkov(): order(1),
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db_filename(get_filepath("markov.sqlite")),
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data(Initialise_Data()), |
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INSERT_STATEMENT(get_insert_statement_string()), |
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QUERY_STATEMENT(get_select_statement_string()), |
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UPDATE_STATEMENT(get_update_statement_string()) |
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{;}; |
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SQLiteMarkov(std::string dbname): order(1),
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db_filename(get_filepath(dbname)),
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data(Initialise_Data()), |
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INSERT_STATEMENT(get_insert_statement_string()), |
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QUERY_STATEMENT(get_select_statement_string()), |
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UPDATE_STATEMENT(get_update_statement_string()) |
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{;}; |
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bool add_ngrams(std::vector<std::string> words) { |
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// assertions?
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if (words.size() > order + 1) { |
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return true; |
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} |
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for (int i = 0; i < order + 1; i++) { |
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if (words[i].length() > SQLiteMarkov::WORD_SIZE) { |
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return true; |
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} |
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} |
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return add_to_db(words); |
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} |
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std::string get_continuation(std::vector<std::string> prompt) { |
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std::string new_words = ""; |
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std::vector<std::string> words(prompt); |
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int count = 0; |
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do { |
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std::string next_word = "invalid"; |
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try { |
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next_word = get_next_word(words); |
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} catch (std::exception &e) { |
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std::cout << "exception: " << e.what() << std::endl;
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std::cout << "Failed Get Next Word" << std::endl; |
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break; |
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} |
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if (next_word == "MESSAGE_END") { |
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break; |
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} |
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new_words += " " + next_word; |
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std::regex end_punc("[\\.\\?\\!]"); |
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if (std::regex_search(std::to_string(next_word.back()), end_punc)) { |
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break; |
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} |
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count++; |
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words.push_back(next_word); |
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words.erase(words.begin()); |
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} while (count < MAX_REPLY_LENGTH); |
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return new_words; |
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} |
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}; |
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class MarkovHandler { |
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private: |
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SQLiteMarkov markov; |
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const bool MAKE_LOWER = true; |
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public: |
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bool test() { |
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std::vector<std::string> words {"so", "long"}; |
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add_ngrams("so long and thanks\nfor\tall the-fishes bro man"); |
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//markov.add_ngrams(words);
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return false; |
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} |
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bool process_string(std::string& message) { |
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if (MAKE_LOWER) { |
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for (int i = 0; i < message.length(); i++) { |
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if (std::isupper(message[i])) { |
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message[i] = std::tolower(message[i], std::locale()); |
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} |
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} |
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} |
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message += " MESSAGE_END"; |
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return false; |
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} |
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std::vector<std::string> split_string(std::string message) { |
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std::istringstream ss(message); |
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std::vector<std::string> words{ |
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std::istream_iterator<std::string>{ss},
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std::istream_iterator<std::string>{} |
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}; |
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return words; |
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} |
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bool add_ngrams(std::string message) { |
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process_string(message); |
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std::vector<std::string> words (split_string(message)); |
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for (int i = 0; i < words.size(); i++) { |
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if (i >= markov.order) { |
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std::vector<std::string> add_words; |
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int count = 0; |
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for (int j = i - markov.order; j <= i; j++, count++) { |
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add_words.push_back(words[j]); |
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std::cout << j << ": " << add_words[count] << std::endl; |
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} |
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markov.add_ngrams(add_words); |
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} |
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} |
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return false; |
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} |
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std::string continue_message(std::string message) { |
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std::vector<std::string> words {split_string(message)}; |
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words.erase(words.begin(), words.begin() + words.size() - markov.order); |
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return markov.get_continuation(words); |
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}
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}; |
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class Bot { |
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private: |
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std::string apikey; |
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telegram::sender sender; |
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MarkovHandler markov; |
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public: |
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telegram::listener::poll listener; |
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Bot() : apikey(get_token()), sender(apikey), listener(sender) { |
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echo(); |
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}; |
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Bot(std::string key) : apikey(key), sender(apikey), listener(sender) { |
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echo(); |
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}; |
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void echo() { |
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listener.set_callback_message([&](telegram::types::message const &message){
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std::string message_text = message.text.value(); |
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markov.add_ngrams(message_text); |
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std::string reply = markov.continue_message(message_text); |
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sender.send_message(message.chat.id, reply); |
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}); |
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} |
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void run() { |
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listener.run(); |
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} |
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}; |
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auto main()->int { |
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Bot bot {}; |
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bot.run(); |
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return EXIT_SUCCESS; |
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}; |
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Reference in new issue