mirror of
https://gitee.com/fasiondog/hikyuu.git
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93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/*
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* KData.cpp
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*
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* Created on: 2013-1-20
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* Author: fasiondog
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*/
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#include "KData.h"
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#include "StockManager.h"
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#include "KDataBufferImp.h"
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#include <fstream>
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namespace hku {
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HKU_API std::ostream& operator <<(std::ostream &os, const KData& kdata) {
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os << "KData{\n size : " << kdata.size() << "\n stock: " << kdata.getStock() << ",\n query: "
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<< kdata.getQuery() << "\n }";
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return os;
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}
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string KData::toString() const {
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std::stringstream os;
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os << "KData{\n size : " << size() << "\n stock: "
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<< getStock().toString() << ",\n query: "
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<< getQuery() << "\n }";
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return os.str();
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}
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KData::KData(const Stock& stock, const KQuery& query) {
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if (stock.isNull() || query.kType() >= KQuery::INVALID_KTYPE) {
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return;
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}
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if (query.kType() < KQuery::DAY) {
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//m_imp = KDataImpPtr(new KDataImp(stock, query));
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m_imp = KDataImpPtr(new KDataBufferImp(stock, query));
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} else if (query.kType() == KQuery::DAY) {
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m_imp = KDataImpPtr(new KDataBufferImp(stock, query));
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} else {
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//日线以上不支持复权
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if (query.queryType() == KQuery::INDEX) {
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KQuery new_query(query.start(), query.end(), query.kType(),
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KQuery::NO_RECOVER);
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m_imp = KDataImpPtr(new KDataBufferImp(stock, new_query));
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} else {
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KQuery new_query = KQueryByDate(query.startDatetime(),
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query.endDatetime(), query.kType(), KQuery::NO_RECOVER);
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m_imp = KDataImpPtr(new KDataBufferImp(stock, new_query));
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}
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}
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#if 0
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if (stock.isBuffer(query.kType())
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&& query.recoverType() == KQuery::NO_RECOVER) {
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//当Stock已缓存了该类型的K线数据，且不进行复权
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m_imp = KDataImpPtr(new KDataImp(stock, query));
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} else {
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m_imp = KDataImpPtr(new KDataBufferImp(stock, query));
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}
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#endif
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}
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void KData::tocsv(const string& filename) {
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std::ofstream file(filename.c_str());
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if (!file) {
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HKU_ERROR("Can't open file! (" << filename << ") [KData::tocsv");
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return;
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}
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file << "date, open, high, low, close, amount, count" << std::endl;
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file.setf(std::ios_base::fixed);
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file.precision(4);
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string sep = ",";
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KRecord record;
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for (size_t i = 0; i < size(); ++i) {
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record = getKRecord(i);
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file << record.datetime << sep << record.openPrice << sep
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<< record.highPrice << sep << record.lowPrice << sep
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<< record.closePrice << sep << record.transAmount << sep
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<< record.transCount << std::endl;
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}
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file.close();
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}
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} /* namespace */
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