{"id":309844,"date":"2020-09-12T21:00:38","date_gmt":"2020-09-12T21:00:38","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=309844"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=309844","title":{"rendered":"C++ enum &lt;-&gt; string? \u041b\u0435\u0433\u043a\u043e"},"content":{"rendered":"\n<div class=\"post__text post__text_v2\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/518842\/\">\n<blockquote>\n<p>\u0412\u043e\u0442, \u0441\u043a\u0430\u0436\u0435\u043c, \u043e\u0434\u0438\u043d \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432. \u041c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0437\u0430\u0442\u044c, \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445. \u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u0430\u043d\u043d\u044b\u0435 \u0432, \u0441\u043a\u0430\u0436\u0435\u043c, json. \u0412 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0435\u0441\u0442\u044c enum-\u043f\u043e\u043b\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c \u0432 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u043c \u0432\u0438\u0434\u0435 (\u0430 \u043d\u0435 \u0447\u0438\u0441\u043b\u043e\u043c). \u0412\u0441\u0451. \u0421\u0442\u043e\u043f. \u041f\u0440\u043e\u0441\u0442\u043e\u0433\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u0440\u0435\u0448\u0438\u0442\u044c \u044d\u0442\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0440\u043d\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443 \u043d\u0430 C++ \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442. <a href=\"https:\/\/habr.com\/ru\/article\/448466\/\" rel=\"noopener noreferrer nofollow\">(c)<\/a><\/p>\n<\/blockquote>\n<p><strong>&#8230; \u041d\u043e \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0447\u0435\u0442\u0441\u044f.<\/strong><\/p>\n<p>\u0417\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0433\u043e\u0434 \u044f \u0432\u0438\u0434\u0435\u043b, \u043a\u0430\u043a \u0447\u0443\u0442\u044c \u043b\u0438 \u043d\u0435 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u043b \u0441\u0432\u043e\u0451 \u0432\u0438\u0434\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0418 \u0432\u0435\u0437\u0434\u0435 \u0431\u044b\u043b\u043e \u0434\u0443\u0431\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u0434\u0430, \u0432\u0435\u0437\u0434\u0435 \u043a\u0430\u043a\u0438\u0435-\u0442\u043e \u043a\u043e\u0441\u0442\u044b\u043b\u0438, \u0438 &#171;\u0442\u043e\u043d\u043a\u043e\u0441\u0442\u0438&#187;. \u0414\u0430 \u0447\u0442\u043e \u0443\u0436 \u0442\u0430\u043c, \u043c\u043d\u0435 \u0441\u0430\u043c\u043e\u043c\u0443 \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u0440\u0435\u043c\u044f \u043e\u0442 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0442\u044c\u0441\u044f \u043a \u044d\u0442\u043e\u0439 \u0442\u0435\u043c\u0435. \u0425\u0432\u0430\u0442\u0438\u0442. \u0420\u0435\u0448\u0438\u043b \u0440\u0430\u0437 \u0438 \u043d\u0430\u0432\u0441\u0435\u0433\u0434\u0430 \u0437\u0430\u043a\u0440\u044b\u0442\u044c  \u0432\u043e\u043f\u0440\u043e\u0441, \u043f\u043e \u043a\u0440\u0430\u0439\u043d\u0435\u0439 \u043c\u0435\u0440\u0435 \u0434\u043b\u044f \u0441\u0435\u0431\u044f.<\/p>\n<p>\u041a\u043e\u0434 \u0434\u0430\u043b\u0451\u043a \u043e\u0442 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u0430 (\u043d\u0430\u0434\u0435\u044e\u0441\u044c,&nbsp;\u0430\u043d\u043e\u043d\u0438\u043c\u0443\u0441&nbsp;\u043f\u043e\u043f\u0440\u0430\u0432\u0438\u0442), \u043d\u043e \u0441\u0432\u043e\u044e \u0437\u0430\u0434\u0430\u0447\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442. \u041c\u043e\u0436\u0435\u0442 \u043a\u043e\u043c\u0443 \u0438&nbsp;\u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f:<\/p>\n<details class=\"spoiler\">\n<summary>\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/summary>\n<div class=\"spoiler__content\">\n<pre><code class=\"clike\">\/\/ enum_string.h #pragma once  #define DECLARE_ENUM(T, values...)                                    \\   enum class T { values, MAX };                                       \\   char enum_##T##_base[sizeof(#values)] = #values;                    \\   const char* T##_tokens[static_cast&lt;__underlying_type(T)&gt;(T::MAX)];  \\   const char* const* T##_tmp_ptr = tokenize_enum_string(              \\       const_cast&lt;char*&gt;(enum_##T##_base), sizeof(#values), T##_tokens,\\       static_cast&lt;__underlying_type(T)&gt;(T::MAX));  #define enum_to_string(T, value) \\   (T##_tokens[static_cast&lt;__underlying_type(T)&gt;(value)])  static const char* const* tokenize_enum_string(char* base,                                                int length,                                                const char* tokens[],                                                int size) {   int count = 0;   tokens[count++] = base;   for (int i = 1; i &lt; length; ++i) {     if (base[i] == ',') {       base[i] = '\\0';        if (count == size) {         return tokens;       }        do {         if (++i == length) {           return tokens;         }        } while (' ' == base[i]);        tokens[count++] = base + i;     }   }    return tokens; }  static bool string_equals(const char* a, const char* b) {   int i = 0;   for (; a[i] &amp;&amp; b[i]; ++i) {     if (a[i] != b[i]) {       return false;     }   }    return (a[i] == b[i]); }  static int string_to_enum_int(const char* const tokens[], int max,                               const char* value) {   for (int i = 0; i &lt; max; ++i) {     if (string_equals(tokens[i], value)) {       return i;     }   }    return max; } #define string_to_enum(T, value)     \\   static_cast&lt;T&gt;(string_to_enum_int( \\       T##_tokens, static_cast&lt;__underlying_type(T)&gt;(T::MAX), value)) <\/code><\/pre>\n<p>\u0420\u0430\u0431\u043e\u0442\u0443 \u0441\u043e \u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438 \u043c\u043e\u0436\u0435\u0442\u0435 \u0431\u0435\u0437 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043d\u0430 \u0432\u0430\u0448\u0438 \u043b\u044e\u0431\u0438\u043c\u044b\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0430 \u0437\u0434\u0435\u0441\u044c &#8212; \u044d\u0442\u043e \u043a\u0430\u043a \u0440\u0430\u0437 \u043f\u0430\u0440\u0441\u0438\u043d\u0433 \u0441\u0442\u0440\u043e\u043a\u0438 (\u0443\u0436 \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u043e\u0431\u043e\u0439\u0442\u0438\u0441\u044c \u0431\u0435\u0437 STL).<\/p>\n<\/div>\n<\/details>\n<p>\u0413\u043b\u0430\u0432\u043d\u0430\u044f \u0438\u0434\u0435\u044f \u0431\u044b\u043b\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e\u0431\u044b \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u0438\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 enum \u0438 \u0435\u0433\u043e \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 (<em><s>\u0434\u043e \u0441\u0432\u0438\u0434\u0430\u043d\u0438\u044f, \u0432\u044b\u0440\u0432\u0438\u0433\u043b\u0430\u0437\u043d\u044b\u0439 \u0445\u0430\u0440\u0434\u043a\u043e\u0434\u043d\u044b\u0439 \u043c\u0430\u043a\u0440\u043e\u0441<\/s><\/em><a href=\"https:\/\/stackoverflow.com\/questions\/2124339\/c-preprocessor-va-args-number-of-arguments\" rel=\"noopener noreferrer nofollow\"><em><s> _NARG<\/s><\/em><\/a>). \u041d\u0443 \u0438, \u0447\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0431\u044b\u043b\u043e \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043d\u044f\u0448\u043d\u044b\u043c.<\/p>\n<details class=\"spoiler\">\n<summary>\u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/summary>\n<div class=\"spoiler__content\">\n<pre><code class=\"clike\">\/\/ main.cpp #include &lt;iostream&gt;  #include \"enum_string.h\"  DECLARE_ENUM(LogLevel,  \/\/ enum class LogLevel              Alert,     \/\/ LogLevel::Alert              Critical,  \/\/ LogLevel::Critical              Error,     \/\/ LogLevel::Error              Warning,   \/\/ LogLevel::Warning              Notice,    \/\/ LogLevel::Notice              Info,      \/\/ LogLevel::Info              Debug      \/\/ LogLevel::Debug              );  int main() {   \/\/ serialize   LogLevel a = LogLevel::Critical;   std::cout &lt;&lt; enum_to_string(LogLevel, a) &lt;&lt; std::endl;    \/\/ deserialize   switch (string_to_enum(LogLevel, \"Notice\")) {     case LogLevel::Alert: {       std::cout &lt;&lt; \"ALERT\" &lt;&lt; std::endl;     } break;     case LogLevel::Critical: {       std::cout &lt;&lt; \"CRITICAL\" &lt;&lt; std::endl;     } break;     case LogLevel::Error: {       std::cout &lt;&lt; \"ERROR\" &lt;&lt; std::endl;     } break;     case LogLevel::Warning: {       std::cout &lt;&lt; \"WARN\" &lt;&lt; std::endl;     } break;     case LogLevel::Notice: {       std::cout &lt;&lt; \"NOTICE\" &lt;&lt; std::endl;     } break;     case LogLevel::Info: {       std::cout &lt;&lt; \"INFO\" &lt;&lt; std::endl;     } break;     case LogLevel::Debug: {       std::cout &lt;&lt; \"DEBUG\" &lt;&lt; std::endl;     } break;     case LogLevel::MAX: {       std::cout &lt;&lt; \"Incorrect value\" &lt;&lt; std::endl;     } break;   }    return 0; } <\/code><\/pre>\n<p>\u041a\u0430\u043a \u043f\u043e \u043c\u043d\u0435, \u0432 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c \u043e\u0431\u044c\u044f\u0441\u043d\u0435\u043d\u0438\u0438 \u043d\u0435 \u043d\u0443\u0436\u0434\u0430\u0435\u0442\u0441\u044f.<\/p>\n<\/div>\n<\/details>\n<p>\u0422\u0430\u043a\u0436\u0435, \u0437\u0430\u043b\u0438\u043b \u043d\u0430 <a href=\"https:\/\/github.com\/loskamo\/enum_string\" rel=\"noopener noreferrer nofollow\">github<\/a>.<\/p>\n<p>\u041b\u044e\u0431\u0435\u0437\u043d\u043e \u043f\u0440\u0438\u0433\u043b\u0430\u0448\u0430\u044e \u043a\u0440\u0438\u0442\u0438\u043a\u043e\u0432 \u043d\u0430 \u0440\u0435\u0432\u044c\u044e.<\/p>\n<\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/518842\/\"> https:\/\/habr.com\/ru\/post\/518842\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n<div class=\"post__text post__text_v2\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/518842\/\">\n<blockquote>\n<p>\u0412\u043e\u0442, \u0441\u043a\u0430\u0436\u0435\u043c, \u043e\u0434\u0438\u043d \u0438\u0437 \u0441\u0430\u043c\u044b\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432. \u041c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0437\u0430\u0442\u044c, \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0445. \u0421\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u0430\u043d\u043d\u044b\u0435 \u0432, \u0441\u043a\u0430\u0436\u0435\u043c, json. \u0412 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0435\u0441\u0442\u044c enum-\u043f\u043e\u043b\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c \u0432 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u043c \u0432\u0438\u0434\u0435 (\u0430 \u043d\u0435 \u0447\u0438\u0441\u043b\u043e\u043c). \u0412\u0441\u0451. \u0421\u0442\u043e\u043f. \u041f\u0440\u043e\u0441\u0442\u043e\u0433\u043e \u0441\u043f\u043e\u0441\u043e\u0431\u0430 \u0440\u0435\u0448\u0438\u0442\u044c \u044d\u0442\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0440\u043d\u0443\u044e \u0437\u0430\u0434\u0430\u0447\u0443 \u043d\u0430 C++ \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442. <a href=\"https:\/\/habr.com\/ru\/article\/448466\/\" rel=\"noopener noreferrer nofollow\">(c)<\/a><\/p>\n<\/blockquote>\n<p><strong>&#8230; \u041d\u043e \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0447\u0435\u0442\u0441\u044f.<\/strong><\/p>\n<p>\u0417\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0433\u043e\u0434 \u044f \u0432\u0438\u0434\u0435\u043b, \u043a\u0430\u043a \u0447\u0443\u0442\u044c \u043b\u0438 \u043d\u0435 \u0432 \u043a\u0430\u0436\u0434\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u043b \u0441\u0432\u043e\u0451 \u0432\u0438\u0434\u0435\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0418 \u0432\u0435\u0437\u0434\u0435 \u0431\u044b\u043b\u043e \u0434\u0443\u0431\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u0434\u0430, \u0432\u0435\u0437\u0434\u0435 \u043a\u0430\u043a\u0438\u0435-\u0442\u043e \u043a\u043e\u0441\u0442\u044b\u043b\u0438, \u0438 &#171;\u0442\u043e\u043d\u043a\u043e\u0441\u0442\u0438&#187;. \u0414\u0430 \u0447\u0442\u043e \u0443\u0436 \u0442\u0430\u043c, \u043c\u043d\u0435 \u0441\u0430\u043c\u043e\u043c\u0443 \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u0440\u0435\u043c\u044f \u043e\u0442 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0442\u044c\u0441\u044f \u043a \u044d\u0442\u043e\u0439 \u0442\u0435\u043c\u0435. \u0425\u0432\u0430\u0442\u0438\u0442. \u0420\u0435\u0448\u0438\u043b \u0440\u0430\u0437 \u0438 \u043d\u0430\u0432\u0441\u0435\u0433\u0434\u0430 \u0437\u0430\u043a\u0440\u044b\u0442\u044c  \u0432\u043e\u043f\u0440\u043e\u0441, \u043f\u043e \u043a\u0440\u0430\u0439\u043d\u0435\u0439 \u043c\u0435\u0440\u0435 \u0434\u043b\u044f \u0441\u0435\u0431\u044f.<\/p>\n<p>\u041a\u043e\u0434 \u0434\u0430\u043b\u0451\u043a \u043e\u0442 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u0430 (\u043d\u0430\u0434\u0435\u044e\u0441\u044c,&nbsp;\u0430\u043d\u043e\u043d\u0438\u043c\u0443\u0441&nbsp;\u043f\u043e\u043f\u0440\u0430\u0432\u0438\u0442), \u043d\u043e \u0441\u0432\u043e\u044e \u0437\u0430\u0434\u0430\u0447\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442. \u041c\u043e\u0436\u0435\u0442 \u043a\u043e\u043c\u0443 \u0438&nbsp;\u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f:<\/p>\n<details class=\"spoiler\">\n<summary>\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/summary>\n<div class=\"spoiler__content\">\n<pre><code class=\"clike\">\/\/ enum_string.h #pragma once  #define DECLARE_ENUM(T, values...)                                    \\   enum class T { values, MAX };                                       \\   char enum_##T##_base[sizeof(#values)] = #values;                    \\   const char* T##_tokens[static_cast&lt;__underlying_type(T)&gt;(T::MAX)];  \\   const char* const* T##_tmp_ptr = tokenize_enum_string(              \\       const_cast&lt;char*&gt;(enum_##T##_base), sizeof(#values), T##_tokens,\\       static_cast&lt;__underlying_type(T)&gt;(T::MAX));  #define enum_to_string(T, value) \\   (T##_tokens[static_cast&lt;__underlying_type(T)&gt;(value)])  static const char* const* tokenize_enum_string(char* base,                                                int length,                                                const char* tokens[],                                                int size) {   int count = 0;   tokens[count++] = base;   for (int i = 1; i &lt; length; ++i) {     if (base[i] == ',') {       base[i] = '\\0';        if (count == size) {         return tokens;       }        do {         if (++i == length) {           return tokens;         }        } while (' ' == base[i]);        tokens[count++] = base + i;     }   }    return tokens; }  static bool string_equals(const char* a, const char* b) {   int i = 0;   for (; a[i] &amp;&amp; b[i]; ++i) {     if (a[i] != b[i]) {       return false;     }   }    return (a[i] == b[i]); }  static int string_to_enum_int(const char* const tokens[], int max,                               const char* value) {   for (int i = 0; i &lt; max; ++i) {     if (string_equals(tokens[i], value)) {       return i;     }   }    return max; } #define string_to_enum(T, value)     \\   static_cast&lt;T&gt;(string_to_enum_int( \\       T##_tokens, static_cast&lt;__underlying_type(T)&gt;(T::MAX), value)) <\/code><\/pre>\n<p>\u0420\u0430\u0431\u043e\u0442\u0443 \u0441\u043e \u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438 \u043c\u043e\u0436\u0435\u0442\u0435 \u0431\u0435\u0437 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043d\u0430 \u0432\u0430\u0448\u0438 \u043b\u044e\u0431\u0438\u043c\u044b\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043a\u043e\u0434\u0430 \u0437\u0434\u0435\u0441\u044c &#8212; \u044d\u0442\u043e \u043a\u0430\u043a \u0440\u0430\u0437 \u043f\u0430\u0440\u0441\u0438\u043d\u0433 \u0441\u0442\u0440\u043e\u043a\u0438 (\u0443\u0436 \u043e\u0447\u0435\u043d\u044c \u0445\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u043e\u0431\u043e\u0439\u0442\u0438\u0441\u044c \u0431\u0435\u0437 STL).<\/p>\n<\/div>\n<\/details>\n<p>\u0413\u043b\u0430\u0432\u043d\u0430\u044f \u0438\u0434\u0435\u044f \u0431\u044b\u043b\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e\u0431\u044b \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u0438\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 enum \u0438 \u0435\u0433\u043e \u0441\u0442\u0440\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0443 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 (<em><s>\u0434\u043e \u0441\u0432\u0438\u0434\u0430\u043d\u0438\u044f, \u0432\u044b\u0440\u0432\u0438\u0433\u043b\u0430\u0437\u043d\u044b\u0439 \u0445\u0430\u0440\u0434\u043a\u043e\u0434\u043d\u044b\u0439 \u043c\u0430\u043a\u0440\u043e\u0441<\/s><\/em><a href=\"https:\/\/stackoverflow.com\/questions\/2124339\/c-preprocessor-va-args-number-of-arguments\" rel=\"noopener noreferrer nofollow\"><em><s> _NARG<\/s><\/em><\/a>). \u041d\u0443 \u0438, \u0447\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0431\u044b\u043b\u043e \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043d\u044f\u0448\u043d\u044b\u043c.<\/p>\n<details class=\"spoiler\">\n<summary>\u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/summary>\n<div class=\"spoiler__content\">\n<pre><code class=\"clike\">\/\/ main.cpp #include &lt;iostream&gt;  #include \"enum_string.h\"  DECLARE_ENUM(LogLevel,  \/\/ enum class LogLevel              Alert,     \/\/ LogLevel::Alert              Critical,  \/\/ LogLevel::Critical              Error,     \/\/ LogLevel::Error              Warning,   \/\/ LogLevel::Warning              Notice,    \/\/ LogLevel::Notice              Info,      \/\/ LogLevel::Info              Debug      \/\/ LogLevel::Debug              );  int main() {   \/\/ serialize   LogLevel a = LogLevel::Critical;   std::cout &lt;&lt; enum_to_string(LogLevel, a) &lt;&lt; std::endl;    \/\/ deserialize   switch (string_to_enum(LogLevel, \"Notice\")) {     case LogLevel::Alert: {       std::cout &lt;&lt; \"ALERT\" &lt;&lt; std::endl;     } break;     case LogLevel::Critical: {       std::cout &lt;&lt; \"CRITICAL\" &lt;&lt; std::endl;     } break;     case LogLevel::Error: {       std::cout &lt;&lt; \"ERROR\" &lt;&lt; std::endl;     } break;     case LogLevel::Warning: {       std::cout &lt;&lt; \"WARN\" &lt;&lt; std::endl;     } break;     case LogLevel::Notice: {       std::cout &lt;&lt; \"NOTICE\" &lt;&lt; std::endl;     } break;     case LogLevel::Info: {       std::cout &lt;&lt; \"INFO\" &lt;&lt; std::endl;     } break;     case LogLevel::Debug: {       std::cout &lt;&lt; \"DEBUG\" &lt;&lt; std::endl;     } break;     case LogLevel::MAX: {       std::cout &lt;&lt; \"Incorrect value\" &lt;&lt; std::endl;     } break;   }    return 0; } <\/code><\/pre>\n<p>\u041a\u0430\u043a \u043f\u043e \u043c\u043d\u0435, \u0432 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c \u043e\u0431\u044c\u044f\u0441\u043d\u0435\u043d\u0438\u0438 \u043d\u0435 \u043d\u0443\u0436\u0434\u0430\u0435\u0442\u0441\u044f.<\/p>\n<\/div>\n<\/details>\n<p>\u0422\u0430\u043a\u0436\u0435, \u0437\u0430\u043b\u0438\u043b \u043d\u0430 <a href=\"https:\/\/github.com\/loskamo\/enum_string\" rel=\"noopener noreferrer nofollow\">github<\/a>.<\/p>\n<p>\u041b\u044e\u0431\u0435\u0437\u043d\u043e \u043f\u0440\u0438\u0433\u043b\u0430\u0448\u0430\u044e \u043a\u0440\u0438\u0442\u0438\u043a\u043e\u0432 \u043d\u0430 \u0440\u0435\u0432\u044c\u044e.<\/p>\n<\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/518842\/\"> https:\/\/habr.com\/ru\/post\/518842\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-309844","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/309844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=309844"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/309844\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=309844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=309844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=309844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}