/// <summary>
/// serialize an item (field/global param/...) to an XML format (applicable to be passed to the server).
/// </summary>
/// <param name = "itemVal">item's value</param>
/// <param name = "itemAttr">item's attribute</param>
/// <param name = "cellAttr">cell's attribute - relevant only if 'itemAttr' is vector</param>
/// <param name = "toBase64">decide Base64 encoding is to be done</param>
/// <returns>serialized buffer</returns>
public static String serializeItemVal(String itemVal, StorageAttribute itemAttr, StorageAttribute cellAttr, bool toBase64)
{
Debug.Assert(itemVal != null);
int significantNumSize = Manager.Environment.GetSignificantNumSize() * 2;
String valueSize;
int j;
var tmpBuf = new StringBuilder();
// for alpha type add the length of the value as hex number of 4 digits
switch (itemAttr)
{
case StorageAttribute.NUMERIC:
case StorageAttribute.DATE:
case StorageAttribute.TIME:
itemVal = !toBase64
? itemVal.Substring(0, significantNumSize)
: Base64.encode(byteStreamToString(itemVal.Substring(0, significantNumSize)), Manager.Environment.GetEncoding());
break;
case StorageAttribute.ALPHA:
case StorageAttribute.UNICODE:
itemVal = StrUtil.rtrim(itemVal);
int pos = 0;
int fldValLen = itemVal.Length;
do
{
int nullChrPos = itemVal.IndexOf((Char)0, pos);
if (nullChrPos == -1)
{
valueSize = (Convert.ToString(fldValLen - pos, 16)).ToUpper();
// add leading zeros (if needed)
for (j = 0; j < 4 - valueSize.Length; j++)
{
tmpBuf.Append('0');
}
tmpBuf.Append(valueSize);
if (pos > 0)
{
itemVal = itemVal.Substring(pos, (fldValLen) - (pos));
}
pos = fldValLen;
}
else
{
// If NULL chars exist in the middle of the value - create a spanned record
// Turn on the high most bit in the length (to indicate a segment)
valueSize = (Convert.ToString(nullChrPos - pos + 0x8000, 16)).ToUpper();
tmpBuf.Append(valueSize);
tmpBuf.Append(itemVal.Substring(pos, (nullChrPos) - (pos)));
// Count number of consecutive NULL chars, and add their count to XML
for (j = 1; j < fldValLen - nullChrPos && itemVal[nullChrPos + j] == 0; j++)
{
}
// add leading zeros (if needed)
valueSize = "0000" + (Convert.ToString(j, 16)).ToUpper();
tmpBuf.Append(valueSize.Substring(valueSize.Length - 4));
// Append a hex dump of special chars
for (pos = nullChrPos; j > 0; j--, pos++)
{
string tmpStr = "0" + (Convert.ToString(itemVal[nullChrPos], 16));
tmpBuf.Append(tmpStr.Substring(tmpStr.Length - 2));
}
// If special chars were last, add the length of the last segment (zero)
if (pos >= fldValLen)
{
tmpBuf.Append("0000");
itemVal = "";
break;
}
}
} while (pos < fldValLen);
break;
case StorageAttribute.BLOB:
case StorageAttribute.BLOB_VECTOR:
case StorageAttribute.DOTNET:
pos = 0;
// convert dotnet object into magic equivalent and append as data into blob suffix.
if (itemAttr == StorageAttribute.DOTNET)
{
Object itmObj = null;
int key = BlobType.getKey(itemVal);
String itmMagicVal = "";
if (key != 0)
{
itmObj = DNManager.getInstance().DNObjectsCollection.GetDNObj(key);
}
// convert dotnet object into magic type
if (itmObj != null)
{
StorageAttribute magicType = DNConvert.getDefaultMagicTypeForDotNetType(itmObj.GetType());
itmMagicVal = DNConvert.convertDotNetToMagic(itmObj, magicType);
// append to dotnet blob as data
if (itmMagicVal.Length > 0)
{
itemVal = BlobType.addDataToDotNetBlob(itemVal, itmMagicVal, magicType);
}
}
}
fldValLen = itemVal.Length;
if (UtilStrByteMode.isLocaleDefLangDBCS() && itemAttr == StorageAttribute.BLOB_VECTOR)
{
if (cellAttr == StorageAttribute.ALPHA || cellAttr == StorageAttribute.MEMO)
{
itemVal = VectorType.adjustAlphaStringsInFlatData(itemVal);
// The flat data will be divided by 0x3FFF characters.
// Each segment will be size in 0x3FFF ~ 0x7FFF bytes.
// The size depends on the number of DBCS characters, not fixed in 0x7FFF.
do
{
if (itemVal.Length < pos + 0x3FFF)
//(0x8000 - 1) / 2 = 0x3FFF
{
if (pos > 0)
{
itemVal = itemVal.Substring(pos);
}
valueSize = (Convert.ToString(UtilStrByteMode.lenB(itemVal), 16)).ToUpper();
// add leading zeros (if needed)
for (j = 0; j < 4 - valueSize.Length; j++)
{
tmpBuf.Append('0');
}
tmpBuf.Append(valueSize);
//hex encoding
itemVal = !toBase64
? StrUtil.stringToHexaDump(itemVal, 4)
: Base64.encode(itemVal, true, Manager.Environment.GetEncoding());
pos = fldValLen;
}
else
{
String strSub = itemVal.Substring(pos, 0x3FFF);
// + 0x8000 ... to indicate not the last segment
valueSize = (Convert.ToString(UtilStrByteMode.lenB(strSub) + 0x8000, 16)).ToUpper();
tmpBuf.Append(valueSize);
//hex or base64 encoding
tmpBuf.Append(!toBase64
? StrUtil.stringToHexaDump(strSub, 4)
: Base64.encode(strSub, true, Manager.Environment.GetEncoding()));
tmpBuf.Append("0000");
pos += 0x3FFF;
}
} while (pos < fldValLen);
break;
}
}
do
{
if (fldValLen < pos + 0x7FFF)
//0x8000 -1 = 0x7FFF
{
valueSize = (Convert.ToString(fldValLen - pos, 16)).ToUpper();
// add leading zeros (if needed)
for (j = 0; j < 4 - valueSize.Length; j++)
{
tmpBuf.Append('0');
}
tmpBuf.Append(valueSize);
if (pos > 0)
{
itemVal = itemVal.Substring(pos, (fldValLen) - (pos));
}
//hex encoding
itemVal = !toBase64
? StrUtil.stringToHexaDump(itemVal, 4)
: Base64.encode(itemVal, Manager.Environment.GetEncoding());
pos = fldValLen;
}
else
{
//to indicate the full segment
valueSize = "FFFF"; //(Integer.toHexString (0xFFFF)).toUpperCase()
tmpBuf.Append(valueSize);
//hex or base64 encoding
if (!toBase64)
{
tmpBuf.Append(StrUtil.stringToHexaDump(itemVal.Substring(pos, 0x7FFF), 4));
}
else
{
tmpBuf.Append(Base64.encode(itemVal.Substring(pos, 0x7FFF), Manager.Environment.GetEncoding()));
}
tmpBuf.Append("0000");
pos += 0x7FFF;
}
} while (pos < fldValLen);
break;
} //end of the type case block
tmpBuf.Append(itemVal);
return(tmpBuf.ToString());
}
/// <summary>
///
/// </summary>
/// <param name="itemVal"></param>
/// <param name="itemAttr"></param>
/// <returns></returns>
public static byte[] serializeItemVal(String itemVal, StorageAttribute itemAttr)
{
Debug.Assert(itemVal != null);
string valueSize;
string tmpBufLen = string.Empty;
Byte [] tmpBuf = null;
List <byte> contentWithLength = new List <byte>();
int pos = 0;
int fldValLen = 0;
String tempItemVal = string.Empty;
int noOfPackets = 0;
Byte [] tmpNoOfPackets = null;
String tmpStrNoOfPackets = string.Empty;
switch (itemAttr)
{
case StorageAttribute.NUMERIC:
case StorageAttribute.DATE:
case StorageAttribute.TIME:
NUM_TYPE numType = new NUM_TYPE(itemVal);
tmpBuf = Misc.ToByteArray(numType.Data);
break;
case StorageAttribute.BOOLEAN:
tmpBuf = Manager.Environment.GetEncoding().GetBytes(itemVal);
break;
case StorageAttribute.ALPHA:
itemVal = StrUtil.rtrim(itemVal);
valueSize = (Convert.ToString(UtilStrByteMode.lenB(itemVal), 16)).ToUpper();
// add leading zeros (if needed)
for (int j = 0; j < 4 - valueSize.Length; j++)
{
tmpBufLen += "0";
}
tmpBufLen += valueSize;
contentWithLength.AddRange(Manager.Environment.GetEncoding().GetBytes(tmpBufLen));
contentWithLength.AddRange(Manager.Environment.GetEncoding().GetBytes(itemVal));
tmpBuf = new byte[contentWithLength.Count];
contentWithLength.CopyTo(tmpBuf);
break;
case StorageAttribute.UNICODE:
itemVal = StrUtil.rtrim(itemVal);
valueSize = (Convert.ToString(itemVal.Length, 16)).ToUpper();
// add leading zeros (if needed)
for (int j = 0; j < 4 - valueSize.Length; j++)
{
tmpBufLen += "0";
}
tmpBufLen += valueSize;
contentWithLength.AddRange(Manager.Environment.GetEncoding().GetBytes(tmpBufLen));
contentWithLength.AddRange(Encoding.Unicode.GetBytes(itemVal));
tmpBuf = new byte[contentWithLength.Count];
contentWithLength.CopyTo(tmpBuf);
break;
case StorageAttribute.BLOB:
pos = 0;
// blob will be serialized in packet of size 0xFFFF.
// So format of serialized buffer for blob is
// no. of packets (n) + length1 + data1 + length2 + data2 + ......length n + datan
fldValLen = ISO_8859_1_Encoding.getInstance().GetByteCount(itemVal);
noOfPackets = (int)fldValLen / 0xFFFF;
tmpBufLen = "FFFF";
tmpNoOfPackets = Manager.Environment.GetEncoding().GetBytes(tmpBufLen);
for (int i = 0; i < noOfPackets; i++)
{
tempItemVal = itemVal.Substring(pos, 0xFFFF);
pos += 0xFFFF;
contentWithLength.AddRange(tmpNoOfPackets);
contentWithLength.AddRange(ISO_8859_1_Encoding.getInstance().GetBytes(tempItemVal));
}
int lastPacketSize = fldValLen % 0xFFFF;
if (lastPacketSize > 0)
{
tempItemVal = itemVal.Substring(pos, (fldValLen) - (pos));
byte[] tempItemValBytes = ISO_8859_1_Encoding.getInstance().GetBytes(tempItemVal);
tmpBufLen = tempItemValBytes.Length.ToString("X4");
contentWithLength.AddRange(Manager.Environment.GetEncoding().GetBytes(tmpBufLen));
contentWithLength.AddRange(ISO_8859_1_Encoding.getInstance().GetBytes(tempItemVal));
noOfPackets++;
}
tmpStrNoOfPackets = noOfPackets.ToString("D4");
tmpNoOfPackets = Manager.Environment.GetEncoding().GetBytes(tmpStrNoOfPackets);
tmpBuf = new byte[contentWithLength.Count + tmpNoOfPackets.Length];
tmpNoOfPackets.CopyTo(tmpBuf, 0);
contentWithLength.CopyTo(tmpBuf, tmpNoOfPackets.Length);
break;
} //end of the type case block
return(tmpBuf);
}
/// <returns> translation of this argument into Magic URL style (e.g. -Aalpha or -N17 etc.)</returns>
protected internal void toURL(StringBuilder htmlArgs, bool makePrintable)
{
if (!skipArg())
{
String argValue = null, rangeStr = null;
StorageAttribute attribute = StorageAttribute.NONE;
bool isNull = false;
PIC pic = null;
NUM_TYPE num1, num2;
Expression.ReturnValue retVal;
int compIdx = 0;
// Get the value and attribute and set the "is null" flag according
// to the argument type
switch (_type)
{
case ConstInterface.ARG_TYPE_VALUE:
isNull = _valueIsNull;
attribute = _valueAttr;
argValue = _val;
break;
case ConstInterface.ARG_TYPE_EXP:
retVal = _exp.evaluate(2000);
argValue = retVal.mgVal;
if (argValue == null)
{
isNull = true;
}
else
{
attribute = retVal.type;
}
compIdx = _exp.getTask().getCompIdx();
break;
case ConstInterface.ARG_TYPE_FIELD:
if (_fld.isNull())
{
isNull = true;
}
else
{
argValue = _fld.getValue(false);
attribute = _fld.getType();
}
compIdx = _fld.getTask().getCompIdx();
break;
case ConstInterface.ARG_TYPE_SKIP:
isNull = true; //#919535 If argument is skipped then pass NULL it will handled in server.
break;
}
// Create the argument string
if (isNull)
{
htmlArgs.Append(ConstInterface.REQ_ARG_NULL);
}
else
{
switch (attribute)
{
case StorageAttribute.NUMERIC:
num1 = new NUM_TYPE(argValue);
num2 = new NUM_TYPE(argValue);
num1.round(0);
if (NUM_TYPE.num_cmp(num1, num2) == 0)
{
pic = new PIC("" + UtilStrByteMode.lenB(argValue),
StorageAttribute.ALPHA, compIdx);
String numDispVal = num2.to_a(pic).Trim();
if (numDispVal.Length <= 9)
{
htmlArgs.Append(ConstInterface.REQ_ARG_NUMERIC + num2.to_a(pic).Trim());
}
else
{
htmlArgs.Append(ConstInterface.REQ_ARG_DOUBLE + num2.to_double());
}
}
else
{
htmlArgs.Append(ConstInterface.REQ_ARG_DOUBLE + num2.to_double());
}
break;
case StorageAttribute.DATE:
pic = new PIC(Manager.GetDefaultDateFormat(), attribute, compIdx);
rangeStr = "";
htmlArgs.Append(ConstInterface.REQ_ARG_ALPHA);
break;
case StorageAttribute.TIME:
pic = new PIC(Manager.GetDefaultTimeFormat(), attribute, compIdx);
rangeStr = "";
htmlArgs.Append(ConstInterface.REQ_ARG_ALPHA);
break;
case StorageAttribute.ALPHA:
// alpha strings are kept internally as Unicode, so fall through to unicode case...
case StorageAttribute.UNICODE:
pic = new PIC("" + UtilStrByteMode.lenB(argValue), attribute, compIdx);
rangeStr = "";
/* TODO: Kaushal. this should be "-U".
* "-U" is currently used for null value.
*/
htmlArgs.Append(ConstInterface.REQ_ARG_UNICODE);
break;
case StorageAttribute.BLOB:
pic = new PIC("", attribute, compIdx);
rangeStr = "";
char contentType = BlobType.getContentType(argValue);
// ANSI blobs are later translated to Unicode
if (contentType == BlobType.CONTENT_TYPE_UNICODE || contentType == BlobType.CONTENT_TYPE_ANSI)
{
htmlArgs.Append(ConstInterface.REQ_ARG_UNICODE);
}
else
{
htmlArgs.Append(ConstInterface.REQ_ARG_ALPHA);
}
break;
case StorageAttribute.BLOB_VECTOR:
pic = new PIC("", attribute, compIdx);
rangeStr = "";
htmlArgs.Append(ConstInterface.REQ_ARG_ALPHA);
//QCR 970794 appending eye catcher for vectors passed as arguments on hyperlink
argValue = ConstInterface.MG_HYPER_ARGS + BlobType.removeBlobPrefix(argValue) +
ConstInterface.MG_HYPER_ARGS;
break;
case StorageAttribute.BOOLEAN:
pic = new PIC("5", attribute, compIdx);
rangeStr = "TRUE,FALSE";
htmlArgs.Append(ConstInterface.REQ_ARG_LOGICAL);
break;
}
if (attribute != StorageAttribute.NUMERIC)
{
string finalValue = StrUtil.rtrim(DisplayConvertor.Instance.mg2disp(argValue, rangeStr, pic, compIdx, false));
//QCR 970794 converting the url to a legal format
htmlArgs.Append(makePrintable
? GUIManager.Instance.makeURLPrintable(finalValue)
: finalValue);
}
}
}
}