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chinesedate.h
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/**
* ChineseDate.h
* @Author Tu Yongce <yongce (at) 126 (dot) com>
* @Created 2008-12-13
* @Modified 2008-12-13
* @Version 0.1
*/
//#include "ChineseCalendarDB.h"
#include <iostream.h>
#if 0
#ifndef CHINESE_DATE_H_INCLUDED
#define CHINESE_DATE_H_INCLUDED
#ifdef _MSC_VER
#pragma once
#endif
#include <cassert>
#include "ChineseCalendarDB.h"
class SolarDate; // 前置声明
/*
* 农历日期类
* @note: 只能表示农历1901年1月1日到农历2050年12月30日期间的日期
*/
class ChineseDate
{
public:
int m_year; // 1901~2050
int m_month; // 1~13
int m_day; // 1~[29|30]
bool m_bLeap;
public:
ChineseDate();
ChineseDate(int year, int month, int day,bool bleap=false);
//!! 使用编译器生成的拷贝构造函数、拷贝赋值操作符和析构函数
//int GetYear() const;
//int GetMonth() const;
//int GetDay() const;
// 判断是否为有效日期
bool IsValidDate() const;
// 判断是否在指定日期之前
bool IsPrior(const ChineseDate &ref) const;
// 判断是否为同一日期
friend bool operator== (const ChineseDate &lhs, const ChineseDate &rhs);
friend bool operator!= (const ChineseDate &lhs, const ChineseDate &rhs);
// 计算当前日期是该年的第几天
int YearDay() const;
// 从该年的某天计算日期（如果无对应日期，则操作失败并返回false；否则返回true）
bool FromYearDay(int days);
// 计算和指定日期相差的天数
// 如果this->IsPrior(ref)为真，则返回负数；否则返回正数
int Diff(const ChineseDate &ref) const;
// 向前或者向后调整指定天数（有效日期范围：农历1901年1月1日到农历2050年12月30日）
// 如果days大于0，则向前调整(未来）；否则向后调整（过去）
// 如果调整成功，则返回true；否则返回false（此时*this在调用前后不会发生改变）
bool AdjustDays(int days);
// 转换为阳历
SolarDate ToSolarDate() const;
private:
// 计算*this和ref之间相差的天数，要求!IsPrior(ref)为真
int DoDiff(const ChineseDate &ref) const;
// 向前（未来）调整指定天数（注意：不能调整到农历2050年12月30日之后）
// 如果调整成功，则返回true；否则返回false（此时*this在调用前后不会发生改变）
bool DoAdjustForward(int days);
// 向后（过去）调整指定天数（注意：不能调整到农历1901年1月1日之前）
// 如果调整成功，则返回true；否则返回false（此时*this在调用前后不会发生改变）
bool DoAdjustBackward(int days);
};
inline ChineseDate::ChineseDate(): m_year(1901), m_month(1), m_day(1)
{
m_bLeap = false;
}
inline ChineseDate::ChineseDate(int year, int month, int day,bool bleap): m_year(year), m_month(month), m_day(day)
{
//assert(IsValidDate()); // 当ChineseDate对象内部数据变化时确保仍是正确的日期
m_bLeap = bleap;
}
#if 0
inline int ChineseDate::GetYear() const
{
return m_year;
}
inline int ChineseDate::GetMonth() const
{
return m_month;
}
inline int ChineseDate::GetDay() const
{
return m_day;
}
#endif
// 判断是否在指定日期之前
inline bool ChineseDate::IsPrior(const ChineseDate &ref) const
{
return m_year < ref.m_year ||
m_year == ref.m_year && (m_month < ref.m_month || m_month == ref.m_month && m_day < ref.m_day);
}
// 判断是否为同一日期
inline bool operator== (const ChineseDate &lhs, const ChineseDate &rhs)
{
return lhs.m_year == rhs.m_year && lhs.m_month == rhs.m_month && lhs.m_day == rhs.m_day;
}
inline bool operator!= (const ChineseDate &lhs, const ChineseDate &rhs)
{
return !(lhs == rhs);
}
// 计算和指定日期相差的天数
// 如果this->IsPrior(ref)为真，则返回负数；否则返回正数
inline int ChineseDate::Diff(const ChineseDate &ref) const
{
return this->IsPrior(ref) ? -ref.DoDiff(*this) : this->DoDiff(ref);
}
// 向前或者向后调整指定天数（注意：不能调整到公元1年1月1日之前）
// 如果days大于0，则向前调整(未来）；否则向后调整（过去）
// 如果调整成功，则返回true；否则返回false（此时*this在调用前后不会发生改变）
inline bool ChineseDate::AdjustDays(int days)
{
if (days > 0)
return DoAdjustForward(days);
else if (days < 0)
return DoAdjustBackward(-days);
assert(IsValidDate()); // 当ChineseDate对象内部数据变化时确保仍是正确的日期
return true;
}
#endif //CHINESE_DATE_H_INCLUDED
#endif
static bool CheckLeapYear(int year)
{
return (!(year % 4) && (year % 100)) || !(year % 400);
}
// 平年中每一个月之前所有月的天数
const int YearDays[12] = {
0, 31, 59 , 90, 120, 151, 181, 212, 243, 273, 304, 334
};
static int CalMonthDay(int year, int month)
{
bool leap_flag = CheckLeapYear(year);
int days = YearDays[month - 1] ;
if (month > 2 && CheckLeapYear(year))
++days;
return days;
}
#define CHINESEDATE_MIN (1901)
#define CHINESEDATE_MAX (2050)
#define CHINESEDATE_NUM (150)
unsigned char ChinaYearLeapMonth[CHINESEDATE_NUM] = {
0x00, 0x00, 0x05, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02, 0x00, //1910
0x06, 0x00, 0x00, 0x05, 0x00, 0x00, 0x02, 0x00, 0x07, 0x00, //1920
0x00, 0x05, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02, 0x00, 0x06, //1930
0x00, 0x00, 0x05, 0x00, 0x00, 0x03, 0x00, 0x07, 0x00, 0x00, //1940
0x06, 0x00, 0x00, 0x04, 0x00, 0x00, 0x02, 0x00, 0x07, 0x00, //1950
0x00, 0x05, 0x00, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x06, //1960
0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x07, 0x00, 0x00, //1970
0x05, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x06, 0x00, //1980
0x00, 0x04, 0x00, 0x0A, 0x00, 0x00, 0x06, 0x00, 0x00, 0x05, //1990
0x00, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x05, 0x00, 0x00, //2000
0x04, 0x00, 0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x05, 0x00, //2010
0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x06, 0x00, 0x00, 0x04, //2020
0x00, 0x00, 0x02, 0x00, 0x06, 0x00, 0x00, 0x05, 0x00, 0x00, //2030
0x03, 0x00, 0x0B, 0x00, 0x00, 0x06, 0x00, 0x00, 0x05, 0x00, //2040
0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x05, 0x00, 0x00, 0x03, //2050
};
unsigned short ChinaYearMonthDay[CHINESEDATE_NUM] = {
0x0752, 0x0EA5, 0x164A, 0x064B, 0x0A9B, 0x1556, 0x056A, 0x0B59, 0x1752, 0x0752, //1910
0x1B25, 0x0B25, 0x0A4B, 0x12AB, 0x0AAD, 0x056A, 0x0B69, 0x0DA9, 0x1D92, 0x0D92, //1920
0x0D25, 0x1A4D, 0x0A56, 0x02B6, 0x15B5, 0x06D4, 0x0EA9, 0x1E92, 0x0E92, 0x0D26, //1930
0x052B, 0x0A57, 0x12B6, 0x0B5A, 0x06D4, 0x0EC9, 0x0749, 0x1693, 0x0A93, 0x052B, //1940
0x0A5B, 0x0AAD, 0x056A, 0x1B55, 0x0BA4, 0x0B49, 0x1A93, 0x0A95, 0x152D, 0x0536, //1950
0x0AAD, 0x15AA, 0x05B2, 0x0DA5, 0x1D4A, 0x0D4A, 0x0A95, 0x0A97, 0x0556, 0x0AB5, //1960
0x0AD5, 0x06D2, 0x0EA5, 0x0EA5, 0x064A, 0x0C97, 0x0A9B, 0x155A, 0x056A, 0x0B69, //1970
0x1752, 0x0B52, 0x0B25, 0x164B, 0x0A4B, 0x14AB, 0x02AD, 0x056D, 0x0B69, 0x0DA9, //1980
0x0D92, 0x1D25, 0x0D25, 0x1A4D, 0x0A56, 0x02B6, 0x05B5, 0x06D5, 0x0EC9, 0x1E92, //1990
0x0E92, 0x0D26, 0x0A56, 0x0A57, 0x14D6, 0x035A, 0x06D5, 0x16C9, 0x0749, 0x0693, //2000
0x152B, 0x052B, 0x0A5B, 0x155A, 0x056A, 0x1B55, 0x0BA4, 0x0B49, 0x1A93, 0x0A95, //2010
0x052D, 0x0AAD, 0x0AAD, 0x15AA, 0x05D2, 0x0DA5, 0x1D4A, 0x0D4A, 0x0C95, 0x152E, //2020
0x0556, 0x0AB5, 0x15B2, 0x06D2, 0x0EA9, 0x0725, 0x064B, 0x0C97, 0x0CAB, 0x055A, //2030
0x0AD6, 0x0B69, 0x1752, 0x0B52, 0x0B25, 0x1A4B, 0x0A4B, 0x04AB, 0x055B, 0x05AD, //2040
0x0B6A, 0x1B52, 0x0D92, 0x1D25, 0x0D25, 0x0A55, 0x14AD, 0x04B6, 0x05B5, 0x0DAA, //2050
};
// 二十四节气数据（注：这里是公历日期）
// 1901~2050期间的二十四节气的公历日期满足如下规律：
// 1月 小寒（5~7） 大寒（19~21）
// 2月 立春（3~5） 雨水（18~20）
// 3月 惊蛰（5~7） 春分（20~22）
// 4月 清明（4~6） 谷雨（19~21）
// 5月 立夏（5~7） 小满（20~22）
// 6月 芒种（5~7） 夏至（20~22）
// 7月 小暑（6~8） 大暑（22~24）
// 8月 立秋（7~9） 处暑（22~24）
// 9月 白露（7~9） 秋分（22~24）
// 10月 寒露（7~9） 霜降（23~24）
// 11月 立冬（7~8） 小雪（21~23）
// 12月 大雪（6~8） 冬至（21~23）
// 可以看出，如果把每月的第二个节气的日期减去15将得到与第一个节气相近的日期，且都在3~9范围内
// 因此，可以使用一个字节来保存每个月两个节气的日期
// 另外，也可以看出，每个节气都在3天的波动范围内，因此还可以近一步把四个节气压缩在一个字节内
// 但那样做使用起来太复杂，因此这里还是把两个节气保存在一个字节中
//
// 数据格式：每个字节的高四位存放每个月的第一个节气的日期，低四位存放该月的第二个
// 节气日期减去15之后的日期
unsigned char ChinaTermSolarDate[CHINESEDATE_NUM][12] = {
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1901
0x66, 0x54, 0x66, 0x66, 0x67, 0x77, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1902
0x66, 0x55, 0x77, 0x66, 0x77, 0x77, 0x89, 0x99, 0x99, 0x99, 0x88, 0x88, //1903
0x76, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x88, 0x77, //1904
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1905
0x66, 0x54, 0x66, 0x66, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1906
0x66, 0x55, 0x77, 0x66, 0x77, 0x77, 0x89, 0x99, 0x99, 0x99, 0x88, 0x88, //1907
0x76, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1908
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1909
0x66, 0x54, 0x66, 0x66, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1910
0x66, 0x55, 0x77, 0x66, 0x77, 0x77, 0x89, 0x99, 0x99, 0x99, 0x88, 0x88, //1911
0x76, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1912
0x65, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1913
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1914
0x66, 0x55, 0x67, 0x66, 0x67, 0x77, 0x89, 0x89, 0x99, 0x99, 0x88, 0x88, //1915
0x66, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1916
0x65, 0x44, 0x66, 0x56, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x77, //1917
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x87, //1918
0x66, 0x55, 0x67, 0x66, 0x67, 0x77, 0x89, 0x89, 0x99, 0x99, 0x88, 0x88, //1919
0x66, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1920
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x77, //1921
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x87, //1922
0x66, 0x54, 0x66, 0x66, 0x67, 0x77, 0x89, 0x89, 0x99, 0x99, 0x88, 0x88, //1923
0x66, 0x55, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1924
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x77, //1925
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1926
0x66, 0x54, 0x66, 0x66, 0x67, 0x77, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1927
0x66, 0x55, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1928
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1929
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1930
0x66, 0x54, 0x66, 0x66, 0x67, 0x77, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1931
0x66, 0x55, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1932
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1933
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1934
0x66, 0x54, 0x66, 0x66, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1935
0x66, 0x55, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1936
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1937
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1938
0x66, 0x54, 0x66, 0x66, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1939
0x66, 0x55, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1940
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1941
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1942
0x66, 0x54, 0x66, 0x66, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1943
0x66, 0x55, 0x66, 0x55, 0x56, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1944
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1945
0x65, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x87, //1946
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1947
0x66, 0x55, 0x56, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //1948
0x55, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x89, 0x88, 0x89, 0x87, 0x77, //1949
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x87, //1950
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x89, 0x89, 0x89, 0x99, 0x88, 0x88, //1951
0x66, 0x55, 0x56, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //1952
0x55, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1953
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x88, 0x89, 0x88, 0x98, 0x88, 0x77, //1954
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1955
0x66, 0x55, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //1956
0x55, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1957
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1958
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1959
0x66, 0x54, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1960
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1961
0x66, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1962
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1963
0x66, 0x54, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1964
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1965
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1966
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1967
0x66, 0x54, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1968
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1969
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1970
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x89, 0x99, 0x88, 0x87, //1971
0x66, 0x54, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1972
0x55, 0x45, 0x66, 0x55, 0x56, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1973
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1974
0x66, 0x44, 0x66, 0x56, 0x67, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x87, //1975
0x66, 0x54, 0x55, 0x45, 0x56, 0x56, 0x78, 0x79, 0x78, 0x88, 0x77, 0x77, //1976
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //1977
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x88, 0x77, //1978
0x66, 0x44, 0x66, 0x56, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x87, //1979
0x66, 0x54, 0x55, 0x45, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1980
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x87, 0x77, //1981
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1982
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x88, 0x89, 0x88, 0x99, 0x88, 0x87, //1983
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x77, //1984
0x55, 0x44, 0x56, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //1985
0x55, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1986
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x89, 0x88, 0x99, 0x88, 0x77, //1987
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //1988
0x55, 0x44, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1989
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //1990
0x65, 0x44, 0x66, 0x55, 0x76, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1991
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //1992
0x55, 0x43, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1993
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1994
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x86, 0x88, 0x99, 0x88, 0x77, //1995
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //1996
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //1997
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //1998
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //1999
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2000
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2001
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //2002
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //2003
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2004
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2005
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2006
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x99, 0x88, 0x77, //2007
0x66, 0x44, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x77, 0x88, 0x77, 0x76, //2008
0x55, 0x43, 0x55, 0x45, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2009
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2010
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x88, 0x77, //2011
0x66, 0x44, 0x55, 0x45, 0x55, 0x56, 0x77, 0x78, 0x77, 0x88, 0x77, 0x76, //2012
0x55, 0x43, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x77, //2013
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2014
0x65, 0x44, 0x66, 0x55, 0x66, 0x67, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //2015
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x77, 0x78, 0x77, 0x88, 0x77, 0x76, //2016
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x77, //2017
0x55, 0x44, 0x56, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2018
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //2019
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x76, //2020
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2021
0x55, 0x44, 0x55, 0x55, 0x56, 0x66, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2022
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x89, 0x87, 0x77, //2023
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x66, //2024
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2025
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2026
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //2027
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x66, //2028
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2029
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2030
0x55, 0x44, 0x66, 0x55, 0x66, 0x66, 0x78, 0x88, 0x88, 0x88, 0x77, 0x77, //2031
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x66, //2032
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x76, //2033
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x88, 0x78, 0x88, 0x77, 0x77, //2034
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2035
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x66, //2036
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x76, //2037
0x55, 0x43, 0x55, 0x55, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2038
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2039
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x66, //2040
0x55, 0x33, 0x55, 0x45, 0x55, 0x56, 0x77, 0x78, 0x77, 0x88, 0x77, 0x76, //2041
0x55, 0x43, 0x55, 0x45, 0x56, 0x56, 0x78, 0x78, 0x78, 0x88, 0x77, 0x77, //2042
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2043
0x65, 0x44, 0x55, 0x44, 0x55, 0x56, 0x67, 0x77, 0x77, 0x78, 0x77, 0x66, //2044
0x55, 0x33, 0x55, 0x44, 0x55, 0x56, 0x77, 0x78, 0x77, 0x88, 0x77, 0x76, //2045
0x55, 0x43, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x78, 0x88, 0x77, 0x77, //2046
0x55, 0x44, 0x66, 0x55, 0x56, 0x66, 0x78, 0x78, 0x88, 0x88, 0x77, 0x77, //2047
0x65, 0x44, 0x55, 0x44, 0x55, 0x55, 0x67, 0x77, 0x77, 0x78, 0x76, 0x66, //2048
0x54, 0x33, 0x55, 0x55, 0x55, 0x56, 0x67, 0x77, 0x77, 0x88, 0x77, 0x76, //2049
0x55, 0x33, 0x55, 0x45, 0x56, 0x56, 0x77, 0x78, 0x88, 0x88, 0x77, 0x77, //2050
};
//农历节日日期，高字节是月份，低字节是日期
unsigned short ChineseFestivalDate[] =
{
0x0101,//春节
0x010F,//元宵
0x0309,//清明
0x0505,//端午
0x080F,//中秋
0x0909,//重阳
0x0C1E,//除夕
};
//===========================================
//the day used as the start point to caluate
#define CALUATE_START_YEAR 2009
#define CALUATE_START_MONTH 1
#define CALUATE_START_DAY 26
#define CALUATE_START_CHINESEYEAR 2009
#define CALUATE_START_CHINESEMONTH 1
#define CALUATE_START_CHINESEDAY 1
struct SolarDate
{
int m_iyear;
int m_imonth;
int m_iday;
};
static int CompareSolarDate(SolarDate hdate1,SolarDate hdate2)
{
int diff = hdate1.m_iyear - hdate2.m_iyear;
if(diff == 0)
diff = hdate1.m_imonth - hdate2.m_imonth;
if(diff == 0)
diff = hdate1.m_iday - hdate2.m_iday;
return diff;
}
static int GetSolarLeapYears(int year)
{
if (year == 0)
return 0;
int y = year - 1;
return y / 4 - y / 100 + y / 400;
}
static int CalSolarDaysDiff(SolarDate& hdate)
{
SolarDate href = {CALUATE_START_YEAR,CALUATE_START_MONTH,CALUATE_START_DAY};
int daysdiff = 0;
int yeardiff = hdate.m_iyear - href.m_iyear;
daysdiff = yeardiff * 365;
daysdiff += GetSolarLeapYears(hdate.m_iyear);
daysdiff -= GetSolarLeapYears(href.m_iyear);
daysdiff += CalMonthDay(hdate.m_iyear,hdate.m_imonth);
daysdiff += (hdate.m_iday-1);
daysdiff -= CalMonthDay(href.m_iyear,href.m_imonth);
daysdiff -= (href.m_iday-1);
return daysdiff;
}
static int IsValidSolarDate(SolarDate& hdate)
{
if( (hdate.m_iyear < CHINESEDATE_MIN) || (hdate.m_iyear > CHINESEDATE_MAX) )
return 0;
return 1;
}
struct ChineseDate
{
int m_iyear;
int m_imonth;
int m_iday;
int m_bleap;//is this month the leap month
};
static int GetChineseYearDays(int year)
{
int num = ChinaYearMonthDay[year - CHINESEDATE_MIN];
num = ((num >> 1) & 0x5555) + (num & 0x5555);
num = ((num >> 2) & 0x3333) + (num & 0x3333);
num = ((num >> 4) & 0x0F0F) + (num & 0x0F0F);
num = ((num >> 8) & 0x00FF) + (num & 0x00FF);
int monthnum = 12 + (ChinaYearLeapMonth[year - CHINESEDATE_MIN] ? 1 : 0);
return monthnum * 29 + num;
}
static int GetChineseMonthDays(int year, int month)
{
return (ChinaYearMonthDay[year - CHINESEDATE_MIN] & (1 << (month - 1))) ? 30 : 29;
}
static int GetChineseLeapMonth(int year)
{
return ChinaYearLeapMonth[year-CHINESEDATE_MIN];
}
static int CalChineseDate(ChineseDate& hchdate, int daysoff)
{
ChineseDate href = { CALUATE_START_CHINESEYEAR, CALUATE_START_CHINESEMONTH, CALUATE_START_CHINESEDAY};
int movesymbol = (daysoff < 0) ? -1 : 1;
int yeardays = 0, monthdays, days;
int year = href.m_iyear, month = href.m_imonth;
hchdate.m_bleap = false;
if(movesymbol < 0)
year += movesymbol;
yeardays = GetChineseYearDays(year);
while( (daysoff*movesymbol) > yeardays )
{
daysoff -= yeardays*movesymbol;
year += movesymbol;
yeardays = GetChineseYearDays(year);
}
hchdate.m_iyear = year;
month = (movesymbol < 0) ? (12 + (GetChineseLeapMonth(year) > 0 ? 1 : 0)) : 1;
monthdays = GetChineseMonthDays(year,month);
while( (daysoff*movesymbol) > monthdays)
{
daysoff -= monthdays*movesymbol;
month += movesymbol;
monthdays = GetChineseMonthDays(year,month);
}
hchdate.m_imonth = month;
if(movesymbol > 0)
hchdate.m_iday = 1 + daysoff;
else
hchdate.m_iday = 1 + GetChineseMonthDays(year,month) + daysoff ;
if( (GetChineseLeapMonth(hchdate.m_iyear) > 0) && (hchdate.m_imonth > GetChineseLeapMonth(hchdate.m_iyear)) )
{
hchdate.m_imonth--;
hchdate.m_bleap = true;
}
return 1;
}
static int ConvertToChineseDate(SolarDate& hsodate, ChineseDate& hchdate)
{
int daysdiff = 0;
if(IsValidSolarDate(hsodate) == 0)
return 0;
daysdiff = CalSolarDaysDiff(hsodate);
return CalChineseDate(hchdate,daysdiff);
}
static int GetSolarTerm(SolarDate* psodate, int* startpos)
{
int solartermnum = 2;
*startpos = (psodate->m_imonth-1)*2;
return solartermnum;
}
static int GetSolarTermDate(SolarDate* psodate, int pos)
{
unsigned char SolarDate = 0;
if( (pos < 0) || (pos > 24) )
return 0;
psodate->m_imonth = (pos + 1)/2;
SolarDate = ChinaTermSolarDate[psodate->m_iyear-CHINESEDATE_MIN][psodate->m_imonth-1];
if(pos%2 == 1)
{
psodate->m_iday = SolarDate>>4;
}
else
psodate->m_iday = (SolarDate&0x0F) + 15;
return 1;
}
static int GetChineseFestival(ChineseDate* pchdate, int* startpos)
{
int chinesefestivalnum = 0;
int festivaeltotal = sizeof(ChineseFestivalDate)/sizeof(short);
int monthval = pchdate->m_imonth << 8;
int i = 0;
*startpos = 0;
for(; i < festivaeltotal; i++)
{
if(ChineseFestivalDate[i] & monthval == monthval)
{
if(*startpos == 0)
*startpos = i+1;
chinesefestivalnum++;
}
}
return chinesefestivalnum;
}