Процедура генерирования HTML-кода ответа на поступивший запрос

/* Prepare HTTP content - " Auto-Correlation" Page: */

bool Prepare_HTTP_Content_AutoCorrelation(

const map< wstring, wstring> & mapParams, // Request params

vector< char> & vecContent, // [out] content (HTML, JPEG, etc.)

string& strContentType, // [out] content type (' text/html', etc.)

wstring& strErr

)

{

using namespace nsUtilities;

wostringstream wos;

{

// HTML (entire page):

const WriteTag tagHTML(wos, L" < html> ", L" < /html> ");

// Head:

{

const WriteTag tagHead(wos, L" < head> ", L" < /head> ");

// Title:

{

const WriteTag tagTitle(wos, L" < title> ", L" < /title> ");

wos < < L" Auto-Correlation";

}

}

// Body:

const WriteTag tagBody(wos, L" < body> ", L" < /body> ");

// Div:

const WriteTag tagDiv(wos, L" < div> ", L" < /div> ");

wos < < L" < h2> Вычисление авто-корреляции сигнала< /h2> ";

wos < < L" < br /> ";

// Read input:

// ---- Input signal:

wstring strInputSignal; // values for input signal samples

GetInputParam_String(mapParams, L" InputSignal", strInputSignal);

// Give sample, if user didn't enter data:

if (strInputSignal.empty())

strInputSignal = L" 0 0.12 -0.09 0.68 0.32 0.71 0.02 -0.06 0.11 -0.18 0.2 0.01 "

L" -0.07 0.1392 -0.0999 0.7752 0.3136 0.71 0.023 -0.0636 0.1034 -0.1674 0.232 0.0101 -0.0819";

// Parse input signal:

vector< double> vecInputSignal; // values for input signal samples

ParseValsWS(strInputSignal, vecInputSignal);

// ---

// Minumum period (number of samples):

UINT minPeriod = 5; // default value

GetInputParam_NumericT(mapParams, L" minPeriod", minPeriod);

// Form:

{

const WriteTag tagForm(wos, L" < form action=\" AutoCorrelation.htm\" > ", L" < /form> ");

// Table:

{

const WriteTag tagTable(wos, L" < table> ", L" < /table> ");

// Row:

{

const WriteTag tagRow(wos, L" < tr> ", L" < /tr> ");

// --- Input Signal:

{

const WriteTag tagCol(wos, L" < td> ", L" < /td> ");

// ------ Input Signal:

wos < < L" Входной сигнал (введите отсчёты через пробел): ";

wos < < L" < br /> ";

wos < < L" < input type=\" text\" name=\" InputSignal\" style=\" width: 500px\" value=\" " < < GetStr_ValsWS(vecInputSignal)

< < L" \" /> ";

wos < < L" < br /> ";

// ---

// Paint chart for 'Input Signal' into 'canvas' tag:

wos < < GetHTML_Chart_bySamples(L" Chart_InputSignal", 500, 300, vecInputSignal);

}

// ---:

{

const WriteTag tagCol(wos, L" < td> ", L" < /td> ");

wos < < L" Нижняя граница поиска периода (кол-во отсчётов): ";

wos < < L" < input type=\" text\" name=\" minPeriod\" value=\" " < < ToStrW(minPeriod) < < L" \" /> ";

}

} // end Row

} // End Table

wos < < L" < hr> ";

wos < < L" < input type=\" submit\" value=\" Вычислить\" /> ";

// ---- Result:

wos < < L" < hr> ";

wos < < L" < b> Результат - авто-корреляция< /b> ";

wos < < L" < br /> ";

/* Calculate auto-correlation: */

vector< double> vecAutoCorrelation;

Calc_Correlation(

vecInputSignal, // values for input signal samples

vecInputSignal, // sample signal (the same as input signal for auto-correlation)

vecAutoCorrelation // [out] - correlation

);

// Paint chart for 'Correlation' into 'canvas' tag:

wos < < GetHTML_Chart_bySamples(L" Chart_AutoCorrelation", 500, 300, vecAutoCorrelation);

/* Find period by auto-correlation function (as number of samples): */

const UINT period = GetPeriod(vecAutoCorrelation, minPeriod);

wos < < L" < br /> ";

wos < < L" Период (кол-во отсчётов): " < < period;

} // form

wos < < L" < hr> ";

} // body

const string strContent = nsUtilities:: wstring_to_string(wos.str());

vecContent.assign(strContent.begin(), strContent.end());

strContentType = " text/html";

return true;

}