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273 lines
8.0 KiB
C++
273 lines
8.0 KiB
C++
/*
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* KQuery.h
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*
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* Created on: 2009-11-23
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* Author: fasiondog
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*/
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#pragma once
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#ifndef KQUERY_H_
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#define KQUERY_H_
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#include "KRecord.h"
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namespace hku {
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/**
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* 按索引方式查询K线数据条件
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* @ingroup StockManage
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*/
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class HKU_API KQuery {
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public:
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/// 查询方式：索引或日期
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enum QueryType {
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INDEX = 0, ///< 按索引方式查询
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DATE = 1, ///< 按日期方式查询
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INVALID = 2
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};
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/// 查询K线类型：日线/周线等
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/*enum KType {
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//notes: 如添加新类型，请注意按大小顺序添加，否则可能出错
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MIN = 0, ///<1分钟线
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MIN5 = 1, ///<5分钟线
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MIN15 = 2, ///<15分钟线
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MIN30 = 3, ///<30分钟线
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MIN60 = 4, ///<60分钟线
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DAY = 5, ///<日线
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WEEK = 6, ///<周线
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MONTH = 7, ///<月线
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QUARTER = 8, ///<季线
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HALFYEAR = 9, ///<半年线
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YEAR = 10, ///<年线
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//BTC扩展
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MIN3 = 11, ///<3分钟线
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HOUR2 = 12, ///<2小时线
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HOUR4 = 13, ///<4小时线
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HOUR6 = 14, ///<6小时线
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HOUR12 = 15, ///<12小时线
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INVALID_KTYPE = 16
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};*/
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typedef string KType;
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static const string MIN;
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static const string MIN5;
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static const string MIN15;
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static const string MIN30;
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static const string MIN60;
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static const string DAY;
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static const string WEEK;
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static const string MONTH;
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static const string QUARTER;
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static const string HALFYEAR;
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static const string YEAR;
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static const string MIN3;
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static const string HOUR2;
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static const string HOUR4;
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static const string HOUR6;
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static const string HOUR12;
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// static const string INVALID_KTYPE;
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/** 获取所有的 KType */
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static vector<string>& getAllKType();
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static int32_t getKTypeInMin(KType);
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/**
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* 复权类型
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* @note 日线以上，如周线/月线不支持复权
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*/
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enum RecoverType {
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NO_RECOVER = 0, ///< 不复权
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FORWARD = 1, ///< 前向复权
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BACKWARD = 2, ///< 后向复权
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EQUAL_FORWARD = 3, ///< 等比前向复权
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EQUAL_BACKWARD = 4, ///< 等比后向复权
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INVALID_RECOVER_TYPE = 5
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};
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/** 默认构造，按索引方式查询全部日线数据，不复权 */
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KQuery()
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: m_start(0),
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m_end(Null<int64_t>()),
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m_queryType(INDEX),
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m_dataType(DAY),
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m_recoverType(NO_RECOVER){};
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/**
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* K线查询，范围[start, end)
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* @param start 起始索引，支持负数
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* @param end 结束索引（不包含本身），支持负数
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* @param dataType K线类型
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* @param recoverType 复权类型
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* @param queryType 默认按索引方式查询
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*/
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KQuery(int64_t start, // cppcheck-suppress [noExplicitConstructor]
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int64_t end = Null<int64_t>(), const KType& dataType = DAY,
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RecoverType recoverType = NO_RECOVER, QueryType queryType = INDEX)
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: m_start(start),
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m_end(end),
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m_queryType(queryType),
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m_dataType(dataType),
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m_recoverType(recoverType) {
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to_upper(m_dataType);
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}
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/**
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* 按指定日期查询 K 线，范围[start, end)
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* @param start 起始日期
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* @param end 结束日期
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* @param ktype K线类型
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* @param recoverType 复权类型
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*/
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KQuery(Datetime start, // cppcheck-suppress [noExplicitConstructor]
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Datetime end = Null<Datetime>(), const KType& ktype = DAY,
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RecoverType recoverType = NO_RECOVER);
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/**
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* 按索引方式查询时，返回指定的起始索引，否则返回Null<int64_t>()
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*/
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int64_t start() const {
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return m_queryType != INDEX ? Null<int64_t>() : m_start;
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}
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/**
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* 按索引方式查询时，返回指定的结束索引，否则返回Null<int64_t>()
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*/
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int64_t end() const {
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return m_queryType != INDEX ? Null<int64_t>() : m_end;
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}
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/**
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* 按日期方式查询时，返回指定的起始日期，否则返回Null<Datetime>()
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*/
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Datetime startDatetime() const;
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/**
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* 按日期方式查询时，返回指定的结束日期，否则返回Null<Datetime>()
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*/
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Datetime endDatetime() const;
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/** 获取查询条件类型 */
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QueryType queryType() const {
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return m_queryType;
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}
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/** 获取K线数据类型 */
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// KType kType() const { return m_dataType; }
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string kType() const {
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return m_dataType;
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}
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/** 获取复权类型 */
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RecoverType recoverType() const {
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return m_recoverType;
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}
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/** 设置复权类型 */
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void recoverType(RecoverType recoverType) {
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m_recoverType = recoverType;
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}
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/** 获取queryType名称，用于显示输出 */
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static string getQueryTypeName(QueryType);
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/** 获取KType名称，用于显示输出 */
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static string getKTypeName(KType);
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/** 获取recoverType名称，用于显示输出 */
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static string getRecoverTypeName(RecoverType);
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/** 根据字符串名称获取相应的queryType枚举值 */
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static QueryType getQueryTypeEnum(const string&);
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/** 根据字符串名称，获取相应的枚举值 */
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static KType getKTypeEnum(const string&);
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/** 根据字符串名称，获取相应的枚举值 */
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static RecoverType getRecoverTypeEnum(const string&);
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private:
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int64_t m_start;
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int64_t m_end;
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QueryType m_queryType;
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KType m_dataType;
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RecoverType m_recoverType;
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};
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/**
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* 构造按索引方式K线查询，范围[start, end)
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* @param start 起始索引，支持负数
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* @param end 结束索引（不包含本身），支持负数
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* @param dataType K线类型
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* @param recoverType 复权类型
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* @see KQuery
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* @ingroup StockManage*
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*/
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KQuery HKU_API KQueryByIndex(int64_t start = 0, int64_t end = Null<int64_t>(),
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const KQuery::KType& dataType = KQuery::DAY,
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KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
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inline KQuery KQueryByIndex(int64_t start, int64_t end, const KQuery::KType& dataType,
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KQuery::RecoverType recoverType) {
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return KQuery(start, end, dataType, recoverType, KQuery::INDEX);
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}
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/**
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* 构造按日期方式K线查询，范围[startDatetime, endDatetime)
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* @param start 起始日期
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* @param end 结束日期（不包含本身）
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* @param dataType K线类型
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* @param recoverType 复权类型
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* @see KQuery
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* @ingroup StockManage
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*/
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KQuery HKU_API KQueryByDate(const Datetime& start = Datetime::min(),
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const Datetime& end = Null<Datetime>(),
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const KQuery::KType& dataType = KQuery::DAY,
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KQuery::RecoverType recoverType = KQuery::NO_RECOVER);
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inline KQuery KQueryByDate(const Datetime& start, const Datetime& end,
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const KQuery::KType& dataType, KQuery::RecoverType recoverType) {
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return KQuery(start, end, dataType, recoverType);
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}
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/**
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* 输出KQuery信息，如：KQuery(start, end, queryType, kType, recoverType)
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* @ingroup StockManage
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*/
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HKU_API std::ostream& operator<<(std::ostream& os, const KQuery& query);
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///////////////////////////////////////////////////////////////////////////////
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//
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// 关系比较函数, 不直接在类中定义是为了支持 Null<>() == d，Null可以放在左边
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//
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///////////////////////////////////////////////////////////////////////////////
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bool HKU_API operator==(const KQuery&, const KQuery&);
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bool HKU_API operator!=(const KQuery&, const KQuery&);
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/**
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* 提供KQuery的Null值
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* @ingroup StockManage
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*/
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template <>
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class Null<KQuery> {
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public:
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Null() {}
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operator KQuery() {
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return KQuery(Null<int64_t>(), Null<int64_t>(),
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"", // KQuery::INVALID_KTYPE,
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KQuery::INVALID_RECOVER_TYPE, KQuery::INVALID);
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}
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};
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} // namespace hku
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#if FMT_VERSION >= 90000
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template <>
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struct fmt::formatter<hku::KQuery> : ostream_formatter {};
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#endif
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#endif /* KQUERY_H_ */
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