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#include "StdAfx.h"
#include "CurrencyRatesProviderCurrencyConverter.h"
CCurrencyRatesProviderVisitorFormater::CCurrencyRatesProviderVisitorFormater(MCONTACT hContact, wchar_t chr, int nWidth)
: m_hContact(hContact),
m_chr(chr),
m_nWidth(nWidth)
{
}
CCurrencyRatesProviderVisitorFormater::~CCurrencyRatesProviderVisitorFormater()
{
}
const tstring& CCurrencyRatesProviderVisitorFormater::GetResult()const
{
return m_sResult;
}
static bool get_fetch_time(MCONTACT hContact, time_t& rTime)
{
DBVARIANT dbv;
if (db_get(hContact, CURRENCYRATES_MODULE_NAME, DB_STR_CURRENCYRATE_FETCH_TIME, &dbv) || (DBVT_DWORD != dbv.type))
return false;
rTime = dbv.dVal;
return true;
}
static tstring format_fetch_time(const CCurrencyRatesProviderBase&, MCONTACT hContact, const tstring& rsFormat)
{
time_t nTime;
if (true == get_fetch_time(hContact, nTime)) {
boost::posix_time::ptime time = boost::date_time::c_local_adjustor<boost::posix_time::ptime>::utc_to_local(boost::posix_time::from_time_t(nTime));
tostringstream k;
k.imbue(std::locale(GetSystemLocale(), new ttime_facet(rsFormat.c_str())));
k << time;
return k.str();
}
return tstring();
}
void CCurrencyRatesProviderVisitorFormater::Visit(const CCurrencyRatesProviderBase& rProvider)
{
switch (m_chr) {
case '%':
case '\t':
case '\\':
m_sResult = m_chr;
break;
case 'S':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_CURRENCYRATE_PROVIDER);
break;
case 's':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_CURRENCYRATE_SYMBOL);
break;
case 'X':
m_sResult = format_fetch_time(rProvider, m_hContact, CurrencyRates_GetTimeFormat(true));
break;
case 'x':
m_sResult = format_fetch_time(rProvider, m_hContact, CurrencyRates_GetDateFormat(true));
break;
case 't':
{
tstring sFrmt = CurrencyRates_GetDateFormat(true);
sFrmt += L" ";
sFrmt += CurrencyRates_GetTimeFormat(true);
m_sResult = format_fetch_time(rProvider, m_hContact, sFrmt);
}
break;
case 'r':
case 'R':
FormatDoubleHelper(DB_STR_CURRENCYRATE_CURR_VALUE);
break;
case 'p':
FormatDoubleHelper(DB_STR_CURRENCYRATE_PREV_VALUE);
break;
}
}
tstring format_double(double dValue, int nWidth)
{
tostringstream o;
o.imbue(GetSystemLocale());
if (nWidth > 0 && nWidth <= 9)
o << std::setprecision(nWidth) << std::showpoint << std::fixed;
o << dValue;
return o.str();
}
void CCurrencyRatesProviderVisitorFormater::FormatDoubleHelper(LPCSTR pszDbSet,
const tstring sInvalid/* = L"-"*/)
{
double d = 0.0;
if (true == CurrencyRates_DBReadDouble(m_hContact, CURRENCYRATES_MODULE_NAME, pszDbSet, d))
m_sResult = format_double(d, m_nWidth);
else
m_sResult = sInvalid;
}
void CCurrencyRatesProviderVisitorFormater::Visit(const CCurrencyRatesProviderCurrencyConverter&)
{
switch (m_chr) {
case 'F':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_FROM_DESCRIPTION);
break;
case 'f':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_FROM_ID);
break;
case 'I':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_TO_DESCRIPTION);
break;
case 'i':
m_sResult = CurrencyRates_DBGetStringT(m_hContact, CURRENCYRATES_MODULE_NAME, DB_STR_TO_ID);
break;
}
}
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