utils.cpp

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#include "utils.hpp"

QColor trust2rgb(float trust)
{
        int r,g,b;
        if (trust < 0)
        {
                r = 255;
                g = 255;
                b = 255;
        } 
        // Interpolate between red(255,0,0) and yellow (255,255,0)
        else if (trust < 0.5)
        {
                r = 255;
                g = (int)(510 * trust);
                b = 0;
        //interpolate between yellow(255,255,0) and blue(0,0,255)
        } else {
                r = (int) (510 * (1 - trust));
                g = (int) (510 * (1 - trust));
                b = (int) (510 * (trust - 0.5));
        }
        return QColor(r,g,b);
}

float trustItem2float (int item)
{
        if (item == 0) return -1; else 
        return (float)(item - 1)/5;
}

int float2TrustItem (float trust)
{
        if (trust < 0) return 0; else
        return (trust * 5) + 1;
}

QString escapeXml(const QString &str)
{
        QString xml = str;
        xml.replace("&", "&amp;");
        xml.replace("<", "&lt;");
        xml.replace(">", "&gt;");
        xml.replace("'", "&apos;");
        xml.replace("\"", "&quot;");
        xml.replace("Æ", "&AElig;");
        xml.replace("Á", "&Aacute;");
        xml.replace("Â", "&Acirc;");
        xml.replace("À", "&Agrave;");
        xml.replace("Ã", "&Atilde;");
        xml.replace("Å", "&Aring;");
        xml.replace("Ä", "&Auml;");
        xml.replace("Ç", "&Ccedil;");
        xml.replace("Ð", "&ETH;");
        xml.replace("É", "&Eacute;");
        xml.replace("Ê", "&Ecirc;");
        xml.replace("È", "&Egrave;");
        xml.replace("Ë", "&Euml;");
        xml.replace("Í", "&Iacute;");
        xml.replace("Î", "&Icirc;");
        xml.replace("Ì", "&Igrave;");
        xml.replace("Ï", "&Iuml;");
        xml.replace("Ñ", "&Ntilde;");
        xml.replace("Ô", "&Ocirc;");
        xml.replace("Ò", "&Ocute;");
        xml.replace("Ó", "&Ograve;");
        xml.replace("Ø", "&Oslash;");
        xml.replace("Ö", "&Ouml;");
        xml.replace("Õ", "&Otilde;");
        xml.replace("Ú", "&Uacute;");
        xml.replace("Û", "&Ucirc;");
        xml.replace("Ù", "&Ugrave;");
        xml.replace("Ü", "&Uuml;");
        xml.replace("Þ", "&THORN;");
        xml.replace("Ý", "&Yacute;");
        xml.replace("æ", "&aelig;");
        xml.replace("á", "&aacute;");
        xml.replace("â", "&acirc;");
        xml.replace("à", "&agrave;");
        xml.replace("ã", "&atilde;");
        xml.replace("å", "&aring;");
        xml.replace("ä", "&auml;");
        xml.replace("ç", "&ccedil;");
        xml.replace("ð", "&eth;");
        xml.replace("é", "&eacute;");
        xml.replace("ê", "&ecirc;");
        xml.replace("è", "&egrave;");
        xml.replace("ë", "&euml;");
        xml.replace("í", "&iacute;");
        xml.replace("î", "&icirc;");
        xml.replace("ì", "&igrave;");
        xml.replace("ï", "&iuml;");
        xml.replace("ñ", "&ntilde;");
        xml.replace("ô", "&ocirc;");
        xml.replace("ò", "&ocute;");
        xml.replace("ó", "&ograve;");
        xml.replace("ø", "&oslash;");
        xml.replace("ö", "&ouml;");
        xml.replace("õ", "&otilde;");
        xml.replace("ú", "&uacute;");
        xml.replace("û", "&ucirc;");
        xml.replace("ù", "&ugrave;");
        xml.replace("ü", "&uuml;");
        xml.replace("ß", "&szlig;");
        xml.replace("þ", "&thorn;");
        xml.replace("ý", "&yacute;");
        return xml;
 

}