DateTimeParser.cpp 文件参考

#include <sese/Config.h>
#include <sese/text/DateTimeParser.h>
#include <sese/io/InputBufferWrapper.h>
#include <chrono>

宏定义
#define	XX(ch, exp_size, save_to)

宏定义说明

XX

#define XX	(		ch,
			exp_size,
			save_to )

值:

    case ch: {                                              \
        char *end;                                          \
        auto c = count(p_format, exp_size);                 \
        if (c >= exp_size) {                                \
            char buffer[exp_size + 1]{};                    \
            if (input.read(buffer, exp_size) != exp_size) { \
                return std::nullopt;                        \
            }                                               \
            save_to = std::strtol(buffer, &end, 10);        \
            if (*end != 0) {                                \
                return std::nullopt;                        \
            }                                               \
            p_format += exp_size;                           \
        } else {                                            \
            p_format += c;                                  \
        }                                                   \
        break;                                              \
    }