hikyuu2/hikyuu_cpp/hikyuu/KData.h
2020-10-12 01:14:16 +08:00

206 lines
5.1 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* KData.h
*
* Created on: 2012-9-25
* Author: fasiondog
*/
#pragma once
#ifndef KDATA_H_
#define KDATA_H_
#include "KDataImp.h"
namespace hku {
class HKU_API Indicator;
/**
* K线数据
* @ingroup StockManage
*/
class HKU_API KData {
public:
KData() {}
KData(const KData&);
KData(const Stock& stock, const KQuery& query);
virtual ~KData() {}
KData& operator=(const KData&);
size_t size() const;
bool empty() const;
DatetimeList getDatetimeList() const;
/** 获取指定位置的KRecord未作越界检查 */
KRecord getKRecord(size_t pos) const;
/** 按日期查询KRecord */
KRecord getKRecord(Datetime datetime) const;
/** 同getKRecord @see getKRecord */
KRecord operator[](size_t pos) const {
return getKRecord(pos);
}
/** 同getKRecord @see getKRecord */
KRecord operator[](Datetime datetime) const {
return getKRecord(datetime);
}
/** 按日期查询对应的索引位置 */
size_t getPos(const Datetime& datetime) const;
/** 获取关联的KQuery */
KQuery getQuery() const;
/** 获取关联的Stock如果没有关联返回Null<Stock> */
Stock getStock() const;
/** 获取在原始K线记录中对应的起始位置如果为空返回0 */
size_t startPos() const;
/** 获取在原始K线记录中对应的最后一条记录的位置如果为空返回0,其他等于endPos - 1 */
size_t lastPos() const;
/** 获取在原始K线记录中对应范围的下一条记录的位置如果为空返回0,其他等于lastPos + 1 */
size_t endPos() const;
/** 输出数据到指定的文件中 */
void tocsv(const string& filename);
string toString() const;
/** 开盘价 */
Indicator open() const;
/** 最高价 */
Indicator high() const;
/** 收盘价 */
Indicator close() const;
/** 最低价 */
Indicator low() const;
/** 成交量 */
Indicator vol() const;
/** 成交金额 */
Indicator amo() const;
private:
KDataImpPtr m_imp;
};
/**
* 输出KData信息
* @details
* <pre>
* KData{
* size : 738501
* stock: Stock(SH, 000001, 上证指数, 指数, 1, 1990-Dec-19 00:00:00, +infinity),
* query: KQuery(0, 99999999999, INDEX, MIN, NO_RECOVER)
* }
* </pre>
* @ingroup StockManage
*/
HKU_API std::ostream& operator<<(std::ostream& os, const KData& kdata);
/**
* 根据股票标识按指定的查询条件查询的 K 线数据
* @param market_code 股票标识
* @param query 查询条件
* @ingroup StockManage
*/
KData HKU_API getKData(const string& market_code, const KQuery& query);
/**
* 根据股票标识直接按日期查询获取相应的 K 线数据
* @param market_code 股票标识
* @param start 起始日期
* @param end 结束日期
* @param ktype K线类型
* @param recoverType 复权类型
* @ingroup StockManage
*/
KData HKU_API getKData(const string& market_code, const Datetime& start = Datetime::min(),
const Datetime& end = Null<Datetime>(), KQuery::KType ktype = KQuery::DAY,
KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
/**
* 根据股票标识直接按索引位置查询获取相应的 K 线数据
* @param market_code 股票标识
* @param start 起始索引
* @param end 结束索引
* @param ktype K线类型
* @param recoverType 复权类型
* @ingroup StockManage
*/
KData HKU_API getKData(const string& market_code, int64_t start = 0, int64_t end = Null<int64_t>(),
KQuery::KType ktype = KQuery::DAY,
KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
inline KData::KData(const KData& x) : m_imp(x.m_imp) {}
inline KData& KData::operator=(const KData& x) {
if (this == &x)
return *this;
m_imp = x.m_imp;
return *this;
}
inline DatetimeList KData::getDatetimeList() const {
DatetimeList result;
if (empty()) {
return result;
}
result = getStock().getDatetimeList(KQuery(startPos(), lastPos() + 1, getQuery().kType()));
return result;
}
inline KRecord KData::getKRecord(size_t pos) const {
return m_imp->getKRecord(pos); //如果为空,将抛出异常
}
inline KRecord KData::getKRecord(Datetime datetime) const {
size_t pos = getPos(datetime);
return pos != Null<size_t>() ? getKRecord(pos) : Null<KRecord>();
}
inline size_t KData::getPos(const Datetime& datetime) const {
return m_imp ? m_imp->getPos(datetime) : Null<size_t>();
}
inline size_t KData::size() const {
return m_imp ? m_imp->size() : 0;
}
inline bool KData::empty() const {
return m_imp ? m_imp->empty() : true;
}
inline KQuery KData::getQuery() const {
return m_imp ? m_imp->getQuery() : Null<KQuery>();
}
inline Stock KData::getStock() const {
return m_imp ? m_imp->getStock() : Null<Stock>();
}
inline size_t KData::startPos() const {
return m_imp ? m_imp->startPos() : 0;
}
inline size_t KData::endPos() const {
return m_imp ? m_imp->endPos() : 0;
}
inline size_t KData::lastPos() const {
return m_imp ? m_imp->lastPos() : 0;
}
} /* namespace hku */
#endif /* KDATA_H_ */