openForms/anyData.hpp

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/* 
  anyData.hpp
  This file prevents the browser from monkeying with my form data
  It needs code on the client side to encode/decode in the inverse op.
  
  (c) David McCombs W3 Systems 2006 
  
*/
#include <map>
typedef map<string, string> anyFormDataArray;

class hexEncoder
{
private:
  anyFormDataArray aryHexEncode;
  anyFormDataArray aryHexDecode;

public:
  hexEncoder()
  {
    // ascii lookups
    aryHexEncode["\t"]="09";aryHexEncode["\n"]="0A";aryHexEncode["\r"]="0D";
    aryHexEncode[" "]="20";
    aryHexEncode["!"]="21";aryHexEncode["\""]="22";aryHexEncode["#"]="23";aryHexEncode["$"]="24";
    aryHexEncode["%"]="25";aryHexEncode["&"]="26";aryHexEncode["'"]="27";aryHexEncode["("]="28";
    aryHexEncode[")"]="29";aryHexEncode["*"]="2A";aryHexEncode["+"]="2B";aryHexEncode[","]="2C";
    aryHexEncode["-"]="2D";aryHexEncode["."]="2E";aryHexEncode["/"]="2F";aryHexEncode["0"]="30";
    aryHexEncode["1"]="31";aryHexEncode["2"]="32";aryHexEncode["3"]="33";aryHexEncode["4"]="34";
    aryHexEncode["5"]="35";aryHexEncode["6"]="36";aryHexEncode["7"]="37";aryHexEncode["8"]="38";
    aryHexEncode["9"]="39";aryHexEncode[":"]="3A";aryHexEncode[";"]="3B";aryHexEncode["<"]="3C";
    aryHexEncode["="]="3D";aryHexEncode[">"]="3E";aryHexEncode["?"]="3F";aryHexEncode["@"]="40";
    aryHexEncode["A"]="41";aryHexEncode["B"]="42";aryHexEncode["C"]="43";aryHexEncode["D"]="44";
    aryHexEncode["E"]="45";aryHexEncode["F"]="46";aryHexEncode["G"]="47";aryHexEncode["H"]="48";
    aryHexEncode["I"]="49";aryHexEncode["J"]="4A";aryHexEncode["K"]="4B";aryHexEncode["L"]="4C";
    aryHexEncode["M"]="4D";aryHexEncode["N"]="4E";aryHexEncode["O"]="4F";aryHexEncode["P"]="50";
    aryHexEncode["Q"]="51";aryHexEncode["R"]="52";aryHexEncode["S"]="53";aryHexEncode["T"]="54";
    aryHexEncode["U"]="55";aryHexEncode["V"]="56";aryHexEncode["W"]="57";aryHexEncode["X"]="58";
    aryHexEncode["Y"]="59";aryHexEncode["Z"]="5A";aryHexEncode["["]="5B";aryHexEncode["\\"]="5C";
    aryHexEncode["]"]="5D";aryHexEncode["^"]="5E";aryHexEncode["_"]="5F";aryHexEncode["`"]="60";
    aryHexEncode["a"]="61";aryHexEncode["b"]="62";aryHexEncode["c"]="63";aryHexEncode["d"]="64";
    aryHexEncode["e"]="65";aryHexEncode["f"]="66";aryHexEncode["g"]="67";aryHexEncode["h"]="68";
    aryHexEncode["i"]="69";aryHexEncode["j"]="6A";aryHexEncode["k"]="6B";aryHexEncode["l"]="6C";
    aryHexEncode["m"]="6D";aryHexEncode["n"]="6E";aryHexEncode["o"]="6F";aryHexEncode["p"]="70";
    aryHexEncode["q"]="71";aryHexEncode["r"]="72";aryHexEncode["s"]="73";aryHexEncode["t"]="74";
    aryHexEncode["u"]="75";aryHexEncode["v"]="76";aryHexEncode["w"]="77";aryHexEncode["x"]="78";
    aryHexEncode["y"]="79";aryHexEncode["z"]="7A";aryHexEncode["{"]="7B";aryHexEncode["|"]="7C";
    aryHexEncode["}"]="7D";

    // reverse lookups
    aryHexDecode["09"]="\t";aryHexDecode["0A"]="\n";aryHexDecode["0D"]="\r";
    aryHexDecode["20"]=" ";
    aryHexDecode["21"]="!";aryHexDecode["22"]="\"";aryHexDecode["23"]="#";aryHexDecode["24"]="$";
    aryHexDecode["25"]="%";aryHexDecode["26"]="&";aryHexDecode["27"]="'";aryHexDecode["28"]="(";
    aryHexDecode["29"]=")";aryHexDecode["2A"]="*";aryHexDecode["2B"]="+";aryHexDecode["2C"]=",";
    aryHexDecode["2D"]="-";aryHexDecode["2E"]=".";aryHexDecode["2F"]="/";aryHexDecode["30"]="0";
    aryHexDecode["31"]="1";aryHexDecode["32"]="2";aryHexDecode["33"]="3";aryHexDecode["34"]="4";
    aryHexDecode["35"]="5";aryHexDecode["36"]="6";aryHexDecode["37"]="7";aryHexDecode["38"]="8";
    aryHexDecode["39"]="9";aryHexDecode["3A"]=":";aryHexDecode["3B"]=";";aryHexDecode["3C"]="<";
    aryHexDecode["3D"]="=";aryHexDecode["3E"]=">";aryHexDecode["3F"]="?";aryHexDecode["40"]="@";
    aryHexDecode["41"]="A";aryHexDecode["42"]="B";aryHexDecode["43"]="C";aryHexDecode["44"]="D";
    aryHexDecode["45"]="E";aryHexDecode["46"]="F";aryHexDecode["47"]="G";aryHexDecode["48"]="H";
    aryHexDecode["49"]="I";aryHexDecode["4A"]="J";aryHexDecode["4B"]="K";aryHexDecode["4C"]="L";
    aryHexDecode["4D"]="M";aryHexDecode["4E"]="N";aryHexDecode["4F"]="O";aryHexDecode["50"]="P";
    aryHexDecode["51"]="Q";aryHexDecode["52"]="R";aryHexDecode["53"]="S";aryHexDecode["54"]="T";
    aryHexDecode["55"]="U";aryHexDecode["56"]="V";aryHexDecode["57"]="W";aryHexDecode["58"]="X";
    aryHexDecode["59"]="Y";aryHexDecode["5A"]="Z";aryHexDecode["5B"]="[";aryHexDecode["5C"]="\\";
    aryHexDecode["5D"]="]";aryHexDecode["5E"]="^";aryHexDecode["5F"]="_";aryHexDecode["60"]="`";
    aryHexDecode["61"]="a";aryHexDecode["62"]="b";aryHexDecode["63"]="c";aryHexDecode["64"]="d";
    aryHexDecode["65"]="e";aryHexDecode["66"]="f";aryHexDecode["67"]="g";aryHexDecode["68"]="h";
    aryHexDecode["69"]="i";aryHexDecode["6A"]="j";aryHexDecode["6B"]="k";aryHexDecode["6C"]="l";
    aryHexDecode["6D"]="m";aryHexDecode["6E"]="n";aryHexDecode["6F"]="o";aryHexDecode["70"]="p";
    aryHexDecode["71"]="q";aryHexDecode["72"]="r";aryHexDecode["73"]="s";aryHexDecode["74"]="t";
    aryHexDecode["75"]="u";aryHexDecode["76"]="v";aryHexDecode["77"]="w";aryHexDecode["78"]="x";
    aryHexDecode["79"]="y";aryHexDecode["7A"]="z";aryHexDecode["7B"]="{";aryHexDecode["7C"]="|";
    aryHexDecode["7D"]="}";
  }
  string w3HexEncode( string AsciiIn )
  {
    string HexOut = "";    
    for(int i=0;i<AsciiIn.length();i++)
    {
      string toCvt = AsciiIn.substr(i,1);
      HexOut += aryHexEncode[toCvt]; 
    }
    return HexOut;
  }
  string w3hexDecode( string HexIn )
  {
    string AsciiOut = "";
    for( int i=0;i<HexIn.length();i+=2)
    {
      string toCvt = HexIn.substr(i,2);
      AsciiOut += aryHexDecode[toCvt];
    }
    return AsciiOut;
  }
} ; 

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