diff -r 25fce757be94 -r e02eb84a14d2 usbclasses/pictbridgeengine/src/dpsoperation.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbclasses/pictbridgeengine/src/dpsoperation.cpp	Wed Sep 01 12:20:49 2010 +0100
@@ -0,0 +1,1033 @@
+/*
+* Copyright (c) 2006, 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  These classes implement dps operations replies. 
+*
+*/
+
+
+#include <e32debug.h>
+#include "dpsoperation.h"
+#include "dpsconst.h"
+#include "dpstransaction.h"
+#include "pictbridge.h"
+#include "dpsxmlparser.h"
+#include "dpsxmlgenerator.h"
+#include "dpsstatemachine.h"
+
+#ifdef _DEBUG
+#	define IF_DEBUG(t) {RDebug::t;}
+#else
+#	define IF_DEBUG(t)
+#endif
+
+const TInt KConfigPrintService = 5;
+const TInt KCopyFileWidth = 3;
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void TMDpsOperation::CreateReqScriptL(
+                                      const TDpsArgArray& aArguments, 
+                                      const TDpsEleArray& /*aElements*/,
+                                      TDpsAttribute /*aAttribute*/, 
+                                      RWriteStream& aScript, 
+                                      CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TMDpsOperation::CreateReqScript")));        
+    CDpsXmlGenerator* g = aTrader->Generator();
+    g->StartDocumentL(aScript);
+    g->StartInputL(aScript);
+    TInt count = aArguments.Count();
+    if (!count)
+	    {
+		g->StartOperationL((TDpsOperation)iOperation, aScript, ETrue);
+		}
+	else
+		{
+		g->StartOperationL((TDpsOperation)iOperation, aScript);
+		for (TInt i = 0; i < count; i++)
+			{
+			g->CreateArgL(aScript, aArguments[i]);
+			}
+		g->EndOperationL((TDpsOperation)iOperation, aScript);	
+		}
+			
+    g->EndInputL(aScript);
+	g->EndDocumentL(aScript);	
+	IF_DEBUG(Print(_L("<<<TMDpsOperation::CreateReqScript")));        	
+    }
+    
+// ---------------------------------------------------------------------------
+// Some request parameters should be checked
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt TDpsStartJob::FillReqArgs(TDpsArgArray& aArgs, 
+                                        TDpsEleArray& aElements,
+                                        TDpsAttribute& /*aAttrib*/, 
+                                        CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsStartJob::FillReqArgs")));                    
+    TInt imageCount = iReqParam.iPrintInfo.Count();
+    if (!imageCount) 
+        {
+        return KErrUnknown;
+        }
+    TUint32* objectHandles = new TUint32[imageCount];
+    if (!objectHandles)
+        {
+        return KErrNoMemory;
+        }
+    for (TInt i = 0; i < imageCount; i++)
+        {
+        TInt err = aTrader->Engine()->Ptp().
+             GetObjectHandleByName(
+                 iReqParam.iPrintInfo[i].iFile, objectHandles[i], ETrue); 
+        if (err != KErrNone)
+            {
+            IF_DEBUG(Print(_L("---error %d"), err));
+            
+            delete[] objectHandles;
+            return err;
+            }
+        }
+    TDpsArg* argsP = new TDpsArg[iReqParam.GetParamNum()];
+    if (!argsP)
+        {
+		delete[] objectHandles;
+        return KErrNoMemory;
+        }
+    TDpsEle* elemsP = new TDpsEle[1 + imageCount];
+    if (!elemsP)
+        {
+		delete[] argsP;
+		delete[] objectHandles;
+        return KErrNoMemory;
+        }
+    // jobConfig    
+    TInt count = iReqParam.iJobConfig.Count();
+              
+    TInt ret = KErrNone;
+    
+    elemsP[0].iElement = EDpsJobConfig;
+    elemsP[0].iNum = count;
+    if ( (ret = aElements.Append(elemsP[0])) != KErrNone )
+        {
+        IF_DEBUG(Print(_L("*** append error")));
+        return ret;
+        }
+    for (TInt i = 0; i < count; i++)
+        {
+        argsP[i].iElement = iReqParam.iJobConfig[i].iElement;
+    	// the parameter only has high bytes (0x1234)
+    	argsP[i].iContent.AppendNumUC(iReqParam.iJobConfig[i].iContent, EHex);
+    	// we have to append the low bytes (0000)
+    	argsP[i].iContent.Append(KDpsLowZero);
+    	if ( (ret = aArgs.Append(argsP[i])) != KErrNone ) 
+    	    {
+    	    IF_DEBUG(Print(_L("*** append error")));
+    	    return ret;
+    	    }
+    	IF_DEBUG(Print(_L("the element is %d"), argsP[i].iElement));
+    	IF_DEBUG(Print(_L("the content is %S"), &(argsP[i].iContent)));
+    	}    
+    // printInfo
+    for (TInt j = 0; j < imageCount; j++)
+        {
+    	// there is at least one argument for fileID
+    	TInt k = 1;
+    	elemsP[j + 1].iElement = EDpsPrintInfo;
+    	argsP[count].iElement = EDpsArgFileID;
+    	argsP[count].iContent.AppendNumFixedWidth(objectHandles[j], EHex, 
+    	                                          KFullWordWidth);
+    	if ( (ret = aArgs.Append(argsP[count])) != KErrNone )
+    	    {
+    	    IF_DEBUG(Print(_L("*** append error")));
+    	    return ret;
+    	    }
+    	
+    
+    	IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+    	count++;
+    	
+    	// not empty
+    	if (iReqParam.iPrintInfo[j].iFileName)
+    	    {
+    	    argsP[count].iElement = EDpsArgFileName;
+    	    argsP[count].iContent.Copy(iReqParam.iPrintInfo[j].iFile);
+    	    if ( (ret = aArgs.Append(argsP[count])) != KErrNone)
+    	        {
+                IF_DEBUG(Print(_L("*** append error")));
+    	        return ret;
+    	        }
+    	    
+    	    IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	    IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+    	    
+    	    k++; count++;
+    	    }
+    	// not empty    
+    	if (iReqParam.iPrintInfo[j].iDate.Size())
+    	    {
+            argsP[count].iElement = EDpsArgDate;
+            argsP[count].iContent.Copy(iReqParam.iPrintInfo[j].iDate);
+            if ( (ret = aArgs.Append(argsP[count])) != KErrNone) 
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	    IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+            k++; count++;
+    	    }
+    	if (iReqParam.iPrintInfo[j].iCopies != 0)
+    	    {
+            argsP[count].iElement = EDpsArgCopies;
+            argsP[count].iContent.AppendNumFixedWidthUC(
+                iReqParam.iPrintInfo[j].iCopies, EDecimal, KCopyFileWidth);
+            if ( (ret = aArgs.Append(argsP[count])) != KErrNone) 
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	    IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+    	    k++; count++;
+    	    }    
+    	if (iReqParam.iPrintInfo[j].iPrtPID != 0)
+    	    {
+            argsP[count].iElement = EDpsArgPrtPID;
+            argsP[count].iContent.AppendNumUC(iReqParam.iPrintInfo[j].iPrtPID);
+            if ( (ret = aArgs.Append(argsP[count])) != KErrNone) 
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	    IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+    	    k++; count++;
+    	    }
+    	if (iReqParam.iPrintInfo[j].iCopyID != 0)
+    	    {
+            argsP[count].iElement = EDpsArgCopyID;
+            argsP[count].iContent.AppendNumUC(iReqParam.iPrintInfo[j].iCopyID);
+            if ( (ret = aArgs.Append(argsP[count])) != KErrNone) 
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            IF_DEBUG(Print(_L("the element is %d"), argsP[count].iElement));
+    	    IF_DEBUG(Print(_L("the content is %S"), &(argsP[count].iContent)));
+    	    k++; count++;
+    	    }
+        
+    	elemsP[j + 1].iNum = k;
+    	if ( (ret = aElements.Append(elemsP[j + 1])) != KErrNone) 
+    	    {
+            IF_DEBUG(Print(_L("*** append error")));
+    	    return ret;
+    	    }
+    	}
+    	        
+    delete[] objectHandles;	
+    delete[] argsP;
+    delete[] elemsP;
+    IF_DEBUG(Print(_L("<<<TDpsStartJob::FillReqArgs")));                        
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+// 
+EXPORT_C void TDpsStartJob::CreateReqScriptL(const TDpsArgArray& aArguments, 
+                                            const TDpsEleArray& aElements,
+                                            TDpsAttribute /*aAttribute*/,  
+                                            RWriteStream& aScript, 
+                                            CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsStartJob::CreateReqScript")));                        
+    CDpsXmlGenerator* g = aTrader->Generator();
+    g->StartDocumentL(aScript);
+    g->StartInputL(aScript);
+    g->StartOperationL((TDpsOperation)iOperation, aScript);
+    TInt count = aElements.Count();
+    TInt limit = 0;
+    for (TInt i = 0; i < count; i++)
+	    {
+		g->StartElementL(aElements[i].iElement, aScript);
+		TInt init = limit;
+		limit = (i == 0 ? aElements[0].iNum : limit + aElements[i].iNum);
+		for (TInt j = init; j < limit; j++)
+			{
+			g->CreateArgL(aScript,aArguments[j]);
+			}
+		g->EndElementL(aElements[i].iElement, aScript);	
+		}
+	g->EndOperationL((TDpsOperation)iOperation, aScript);
+	g->EndInputL(aScript);
+	g->EndDocumentL(aScript);	
+	IF_DEBUG(Print(_L("<<<TDpsStartJob::CreateReqScript")));                        	
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsAbortJob::FillReqArgs(TDpsArgArray& aArgs, 
+                                        TDpsEleArray& /*aElems*/,
+                                        TDpsAttribute& /*aAttrib*/, 
+                                        CDpsTransaction* /*aParam*/)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsAbortJob::FillReqArgs")));                            
+    TDpsArg arg;
+    arg.iElement = EDpsArgAbortStyle;
+    arg.iContent.AppendNumUC(iReqParam.iAbortStyle, EHex);
+    arg.iContent.Append(KDpsLowZero);
+    TInt ret = aArgs.Append(arg);
+    if (ret != KErrNone) 
+        {
+        IF_DEBUG(Print(_L("*** append error")));
+        }
+    IF_DEBUG(Print(_L("<<<TDpsAbortJob::FillReqArgs")));                            
+    return ret;
+    }
+    
+// ---------------------------------------------------------------------------
+// Some request parameters should be checked
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsGetCapability::FillReqArgs(TDpsArgArray& aArgs, 
+                                             TDpsEleArray& aElements,
+                                             TDpsAttribute& aAttrib, 
+                                             CDpsTransaction* /*aParam*/)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsGetCapability::FillReqArgs")));                                
+    // only one element
+    TDpsEle elems;
+    elems.iElement = EDpsCapability;
+    elems.iNum = 1;
+    TInt ret = KErrNone;
+    if ( (ret = aElements.Append(elems)) != KErrNone)
+        {
+        IF_DEBUG(Print(_L("*** append error")));
+        return ret;
+        }
+    
+    // only one parameter
+    TDpsArg argsP;
+    argsP.iElement = iReqParam.iCap;
+    if ( (ret = aArgs.Append(argsP)) != KErrNone)
+        {
+        IF_DEBUG(Print(_L("*** append error")));
+        return ret;
+        }
+    if (EDpsArgPaperTypes == iReqParam.iCap || EDpsArgLayouts == iReqParam.iCap)
+        {
+        if (iReqParam.iAttribute != 0)
+            {
+            aAttrib = iReqParam.iAttribute;
+            }
+        }
+    IF_DEBUG(Print(_L("<<<TDpsGetCapability::FillReqArgs")));                                    
+    return KErrNone;    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C void TDpsGetCapability::CreateReqScriptL(
+                                             const TDpsArgArray& aArguments, 
+                                             const TDpsEleArray& aElements,
+                                             TDpsAttribute aAttribute, 
+                                             RWriteStream& aScript, 
+                                             CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsGetCapability::CreateReqScript")));    
+    CDpsXmlGenerator* g = aTrader->Generator();
+    g->StartDocumentL(aScript);
+    g->StartInputL(aScript);
+    g->StartOperationL((TDpsOperation)iOperation, aScript);
+	g->StartElementL(aElements[0].iElement, aScript);
+	const TInt count = aArguments.Count();
+	for (TInt i = 0; i < count; i++)
+		{
+		g->CreateArgL(aScript, aArguments[i], aAttribute);
+		}
+	g->EndElementL(aElements[0].iElement, aScript);
+	g->EndOperationL((TDpsOperation)iOperation, aScript);	
+	g->EndInputL(aScript);
+	g->EndDocumentL(aScript);
+	IF_DEBUG(Print(_L("<<<TDpsGetCapability::CreateReqScript")));    		
+    }
+        
+// ---------------------------------------------------------------------------
+// Some request parameters should be checked
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsConfigPrintService::FillReqArgs(TDpsArgArray& aArgs, 
+                                                  TDpsEleArray& /*aElems*/,
+                                                  TDpsAttribute& /*aAttrib*/, 
+                                                  CDpsTransaction* /*aParam*/)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsConfigPrintService::FillReqArgs")));
+    TDpsArg* argsP = new TDpsArg[KConfigPrintService]; 
+    if (!argsP)
+        {
+        return KErrNoMemory;
+        }
+    TInt count;
+    TInt ret = KErrNone;     
+    for (TInt i = 0; i < KConfigPrintService; i++)
+        {
+        switch (i)
+            {
+        // there might be several versions
+        case EDpsArgDpsVersions:
+            argsP[i].iElement = EDpsArgDpsVersions;
+            count = iReqParam.iDpsVersions.Count();
+            for (TInt j = 0; j < count; j++)
+                {
+                argsP[i].iContent.AppendNumUC
+                    (iReqParam.iDpsVersions[j].iMajor);
+                argsP[i].iContent.Append(_L("."));    
+                argsP[i].iContent.AppendNumUC
+                    (iReqParam.iDpsVersions[j].iMinor);    
+                }
+            ret = aArgs.Append(argsP[i]);
+        break;    
+        
+        case EDpsArgVendorName: // vender name
+            
+            argsP[i].iElement = EDpsArgVendorName;
+            argsP[i].iContent.Append(iReqParam.iVendorName);
+            ret = aArgs.Append(argsP[i]);
+                        
+        break;  
+        
+        case EDpsArgVendorSpecificVersion: // vender version (optional)
+            if (iReqParam.iVendorVersion.iMajor && 
+                iReqParam.iVendorVersion.iMinor)
+                {
+                argsP[i].iElement = EDpsArgVendorSpecificVersion;
+                argsP[i].iContent.AppendNumUC(iReqParam.iVendorVersion.iMajor);
+                argsP[i].iContent.Append(_L("."));    
+                argsP[i].iContent.AppendNumUC(iReqParam.iVendorVersion.iMinor);
+                ret = aArgs.Append(argsP[i]);        
+                }
+            
+        break;
+        
+        case EDpsArgProductName: // produce name
+            argsP[i].iElement = EDpsArgProductName;
+            argsP[i].iContent.Append(iReqParam.iProductName);
+            ret = aArgs.Append(argsP[i]);
+        break;
+        
+        case EDpsArgSerialNo: // serialNo (optional)
+            if (iReqParam.iSerialNo.Length())
+                {
+                argsP[i].iElement = EDpsArgSerialNo;
+                argsP[i].iContent.Append(iReqParam.iSerialNo);    
+                ret = aArgs.Append(argsP[i]);
+                }
+            
+        break;
+        
+        default:
+            IF_DEBUG(Print(_L("***Wrong parameter")));
+            delete[] argsP;
+            return KErrArgument;
+            }
+        
+        }
+    
+    if (ret != KErrNone) 
+        {
+        IF_DEBUG(Print( _L("***TDpsConfigPrintService::FillReqArgs append error = %d"), ret));
+        }
+    
+    delete[] argsP;
+    IF_DEBUG(Print(_L("<<<TDpsConfigPrintService::FillReqArgs")));    
+    return ret;    
+    }
+
+// ---------------------------------------------------------------------------
+//  Not all parameters are checked. If the invalid parameter can pass the 
+//  the complaint test, it should not be checked. Instead, the client will see
+//  it as unknown error. Otherwise, there might be unnecessary code and the
+//  client cannot be informed. 
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsGetCapability::FillRepArgs(const TDpsArgArray& aArgs, 
+                                             CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsGetCapability::FillRepArgs")));    
+    CDpsXmlParser* XmlPar = aTrader->Parser();
+    
+    TInt ret = KErrNone;
+    
+    if (aArgs.Count())
+        {
+        if (EDpsArgPaperTypes == aArgs[0].iElement || 
+            EDpsArgLayouts == aArgs[0].iElement)
+            {
+            if (XmlPar->HasAttribute())
+                {
+                TDpsAttribute attrib;
+		        XmlPar->GetAttribute(attrib);
+		        ret = iRepParam.iContent.Append(attrib);            
+                }
+            else
+                {
+                ret = iRepParam.iContent.Append(0);
+                }
+            
+            if (ret != KErrNone)
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            }
+        TUint32 value;
+        TLex8 converter;
+        TLex8 parser(aArgs[0].iContent);
+        parser.SkipSpace();
+        while (!parser.Eos())
+            {
+            parser.Mark();
+            parser.SkipCharacters();
+            if (KFullWordWidth == parser.TokenLength())
+                {
+                TPtrC8 token = parser.MarkedToken();
+                converter.Assign(token);
+                parser.SkipSpace();  
+                }
+            else
+                {
+                IF_DEBUG(Print(_L("***Wrong argument")));
+                return KErrArgument;
+                }
+            TInt error = converter.Val(value, EHex);
+            if (error != KErrNone)
+                {
+                IF_DEBUG(Print(_L("convert error %d"), error));
+                return error;
+                }
+            if (EDpsArgPaperTypes == aArgs[0].iElement)
+                {
+                TDpsPaperType paperType;
+                TInt major = value >> KShiftLength;
+                paperType.iMajor = (TDpsPaperTypeMajor)major;
+                paperType.iMinor = (TDpsPaperTypeMinor)(value & KDpsMinorMask);
+                ret = iRepParam.iPaperType.Append(paperType);
+                }
+            else
+                {
+                // remove the extra zeros
+                value = value >> KShiftLength; 
+                ret = iRepParam.iContent.Append(value);
+                IF_DEBUG(Print(_L("the value is %x"), value));
+                }
+            
+            if (ret != KErrNone) 
+                {
+                IF_DEBUG(Print(_L("*** append error")));
+                return ret;
+                }
+            }
+        iRepParam.iCap = aArgs[0].iElement;
+           
+        }
+    
+    IF_DEBUG(Print(_L("<<<TDpsGetCapability::FillRepArgs")));
+    return KErrNone;    
+    }
+
+// ---------------------------------------------------------------------------
+//  Not all parameters are checked. If the invalid parameter can pass the 
+//  the complaint test, it should not be checked. Instead, the client will see
+//  it as unknown error. Otherwise, there might be unnecessary code and the
+//  client cannot be informed. 
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsConfigPrintService::FillRepArgs(const TDpsArgArray& aArgs, 
+                                                  CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsConfigPrintService::FillRepArgs")));    
+    TInt error = KErrNone;
+    TLex8 converter, parser;
+    const TInt count = aArgs.Count();
+    
+    for (TInt i = 0; i < count; i++)
+        {
+        switch (aArgs[i].iElement)
+            {
+            case EDpsArgPrintServiceAvailable: 
+                converter.Assign(aArgs[i].iContent);
+                TInt64 result;
+                error = converter.Val(result, EHex);
+                if (error != KErrNone)
+                    {
+                    IF_DEBUG(Print(_L("*** convert error")));
+                    return error;
+                    }
+                // removes the low four bytes zeros. 
+                IF_DEBUG(Print(_L("--Printer available is %x"), result));   
+                result = result >> KShiftLength;    
+                iRepParam.iPrintAvailable = result;
+            break;
+        
+            case EDpsArgDpsVersions:
+                TDpsVersion version;
+            
+                parser.Assign(aArgs[i].iContent);
+                while (!parser.Eos())
+                    {
+                    parser.Mark();
+                    parser.SkipCharacters();
+                    if (parser.TokenLength())
+                        {
+                        TPtrC8 token = parser.MarkedToken();
+                        converter.Assign(token);
+                        parser.SkipSpace();
+                        }
+                    else
+                        {
+                        IF_DEBUG(Print(_L("***wrong !!!")));
+                        return KErrArgument;
+                        }
+                    error = aTrader->ConvertVersion(converter, version);
+                    if (error != KErrNone)
+                        {
+                        return error;
+                        }
+                    error = iRepParam.iDpsVersions.Append(version);
+                    if (error != KErrNone)
+                        {
+                        IF_DEBUG(Print(_L("*** append error")));
+                        return error;
+                        }
+                    }
+            break;
+        
+            case EDpsArgVendorName:
+                iRepParam.iVendorName.Copy(aArgs[i].iContent);
+                IF_DEBUG(Print(_L
+                                ("vendor name is %S"), &iRepParam.iVendorName));
+            break;
+        
+            case EDpsArgVendorSpecificVersion:
+                parser.Assign(aArgs[i].iContent);
+                aTrader->ConvertVersion(parser, version);
+                iRepParam.iVendorVersion = version;
+                IF_DEBUG(Print(_L
+                        ("vendor version is %x"), iRepParam.iVendorVersion));
+            break;
+       
+            case EDpsArgProductName:
+                iRepParam.iProductName.Copy(aArgs[i].iContent);
+                IF_DEBUG(Print(_L
+                        ("product name is %S"), &iRepParam.iProductName));
+            break;
+        
+            case EDpsArgSerialNo:
+                iRepParam.iSerialNo.Copy(aArgs[i].iContent);
+                IF_DEBUG(Print(_L("SerialNo is %S"), &iRepParam.iSerialNo));
+            break;
+        
+            default:
+                IF_DEBUG(Print(_L("--Unknown param!!")));
+                return KErrArgument;
+            }
+        }
+        
+    IF_DEBUG(Print(_L("<<<TDpsConfigPrintService::FillRepArgs")));
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+//  Not all parameters are checked. If the invalid parameter can pass the 
+//  the complaint test, it should not be checked. Instead, the client will see
+//  it as unknown error. Otherwise, there might be unnecessary code and the
+//  client cannot be informed. 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt TDpsGetJobStatus::FillRepArgs(const TDpsArgArray& aArgs, 
+                                            CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsGetJobStatus::FillRepArgs")));
+    TInt value, error, per;
+    TBuf<KMaxArgLen> fileName;
+    TLex8 converter;    
+    TInt count = aArgs.Count();
+    TBool reply = aTrader->IsReply();
+    if (!reply)
+        {
+        aTrader->Engine()->Event()->iEvent = EDpsEvtNotifyJobStatus;
+        }
+    else
+        {
+        aTrader->Engine()->Event()->iEvent = EDpsEvtEmpty;
+        }
+    for (TInt i = 0; i < count; i++)
+        {
+        switch (aArgs[i].iElement)
+            {
+            case EDpsArgPrtPID:
+                converter.Assign(aArgs[i].iContent);
+                error = converter.Val(value);
+                if (error != KErrNone)
+                    {
+                    return error;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iPrtPID = value;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iJobEvent.iRepParam.iPrtPID = 
+                        value;
+                    }
+            break;
+                
+            case EDpsArgFilePath:
+                if (reply)
+                    {
+                    iRepParam.iFilePath.Copy(aArgs[i].iContent);
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iJobEvent.iRepParam.iFilePath. 
+                    Copy(aArgs[i].iContent);
+                    }
+            break;
+                
+            case EDpsArgCopyID:
+                converter.Assign(aArgs[i].iContent);
+                error = converter.Val(value);
+                if (error != KErrNone)
+                    {
+                     return error;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iCopyID = value;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iJobEvent.iRepParam.iCopyID = 
+                        value;
+                    }    
+            break;
+                
+            case EDpsArgProgress:
+                per = aTrader->ParsePercentage(aArgs[i].iContent);
+                if (per < KErrNone)
+                    {
+                    return per;
+                    }
+                
+                if (reply)
+                    {
+                    iRepParam.iProgress = per;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iJobEvent.iRepParam.iProgress = 
+                        per;
+                    }
+            break;
+               
+            case EDpsArgImagesPrinted:
+                converter.Assign(aArgs[i].iContent);
+                error = converter.Val(value);
+                if (error != KErrNone)
+                    {
+                     return error;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iImagesPrinted = value;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iJobEvent.iRepParam.
+                        iImagesPrinted = value;
+                    }                                                                  
+            break;
+            
+            default:
+                IF_DEBUG(Print(_L("***wrong param!!!")));
+                return KErrArgument;                
+            }
+        }
+    IF_DEBUG(Print(_L("<<<TDpsGetJobStatus::FillRepArgs")));    
+    return KErrNone;    
+    }
+
+// ---------------------------------------------------------------------------
+//  Not all parameters are checked. If the invalid parameter can pass the 
+//  the complaint test, it should not be checked. Instead, the client will see
+//  it as unknown error. Otherwise, there might be unnecessary code and the
+//  client cannot be informed. 
+// ---------------------------------------------------------------------------
+//    
+EXPORT_C TInt TDpsGetPrinterStatus::FillRepArgs(const TDpsArgArray& aArgs, 
+                                                CDpsTransaction* aTrader)
+    {
+    IF_DEBUG(Print(_L(">>>TDpsGetPrinterStatus::FillRepArgs")));
+    // if UI has not pass the event pointer, we do need to fill in it
+    if (!aTrader->Engine()->Event())
+        {
+        return KErrNone;
+        }
+    TLex8 converter;
+    TDpsPrinterStatusRep param;
+    const TInt count = aArgs.Count();
+    TUint32 value, temp;
+    TBool reply = aTrader->IsReply();
+    if (!reply)
+        {
+        aTrader->Engine()->Event()->iEvent = EDpsEvtNotifyDeviceStatus;
+        }
+    else
+        {
+        aTrader->Engine()->Event()->iEvent = EDpsEvtEmpty;
+        }
+    for (TInt i = 0; i < count; i++)
+        {
+        converter.Assign(aArgs[i].iContent);
+        TInt error = converter.Val(value, EHex);
+        if (error != KErrNone)
+            {
+            return error;
+            }
+        IF_DEBUG(Print(_L("--the value is %x"), value));
+        
+        switch (aArgs[i].iElement)
+            {
+            case EDpsArgDpsPrintServiceStatus:
+                value = value >> KShiftLength;
+                if (EDpsPrintServiceStatusPrinting == value ||
+                    EDpsPrintServiceStatusIdle == value ||
+                    EDpsPrintServiceStatusPaused == value)
+                    {
+                    if (reply)
+                        {
+                        iRepParam.iPrintStatus = 
+                            (TDpsPrintServiceStatus)(value);
+                        }
+                    else
+                        {
+                        aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                            iPrintStatus = (TDpsPrintServiceStatus)(value);
+                        }
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                    
+            break;
+            
+            case EDpsArgJobEndReason:
+                value = value >> KShiftLength;
+                if (EDpsJobStatusNotEnded == value ||
+                    EDpsJobStatusEndedOk == value ||
+                    EDpsJobStatusEndedAbortImmediately == value ||
+                    EDpsJobStatusEndedAbortCompleteCurrent == value ||
+                    EDpsJobStatusEndedOther == value)
+                    {
+                    if (reply)
+                        {
+                        iRepParam.iJobStatus = (TDpsJobStatus)(value);    
+                        }
+                    else
+                        {
+                        aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                            iJobStatus = (TDpsJobStatus)(value);    
+                        }    
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                
+            break;
+            
+            case EDpsArgErrorStatus:
+                value = value >> KShiftLength;
+                if (EDpsErrorStatusOk == value ||
+                    EDpsErrorStatusWarning == value ||
+                    EDpsErrorStatusFatal == value)
+                    {
+                    if (reply)
+                        {
+                        iRepParam.iErrorStatus = (TDpsErrorStatus)(value);    
+                        }
+                    else
+                        {
+                        aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                            iErrorStatus = (TDpsErrorStatus)(value);
+                        }    
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                
+            break;
+            
+            case EDpsArgErrorReason:
+                temp = value >> KShiftLength;
+                if (EDpsJobErrorNone == temp ||
+                    EDpsJobErrorPaper == temp ||
+                    EDpsJobErrorInk == temp ||
+                    EDpsJobErrorHardware == temp ||
+                    EDpsJobErrorFile == temp)
+                    {
+                    param.iJobEndReason.iMajor = 
+                        (TDpsJobEndReasonMajor)(temp);
+                    IF_DEBUG(Print(_L("the end reason is %x"), temp));
+                    value = value & KDpsMinorMask;
+                    switch (param.iJobEndReason.iMajor)
+                        {
+                        case EDpsJobErrorPaper:
+                            param.iJobEndReason.iPaperMinor = 
+                                (TDpsJobEndReasonPaper)(value);
+                        break;
+        
+                        case EDpsJobErrorInk:
+                            param.iJobEndReason.iInkMinor = 
+                                (TDpsJobEndReasonInk)(value);
+                        break;
+        
+                        case EDpsJobErrorHardware:
+                            param.iJobEndReason.iHardMinor = 
+                                (TDpsJobEndReasonHard)(value);
+                        break;
+        
+                        case EDpsJobErrorFile:
+                            param.iJobEndReason.iFileMinor = 
+                                (TDpsJobEndReasonFile)(value);
+                        break;
+        
+                        default:
+                            IF_DEBUG(Print(_L("no minor error")));
+                        break; 
+                        }
+                    if (reply)
+                        {
+                        iRepParam.iJobEndReason = param.iJobEndReason;
+                        }
+                    else
+                        {
+                        aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                            iJobEndReason = param.iJobEndReason;
+                        }
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                
+            break;
+            
+            case EDpsArgDisconnectEnable:
+                value = value >> KShiftLength;
+                if (EDpsDisconnectEnableFalse == value)
+                    {
+                    param.iDisconnectEnable = EFalse;    
+                    }
+                else if (EDpsDisconnectEnableTrue == value)
+                    {
+                    param.iDisconnectEnable = ETrue;
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iDisconnectEnable = param.iDisconnectEnable; 
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                        iDisconnectEnable = param.iDisconnectEnable; 
+                    }    
+            break;
+            
+            case EDpsArgCapabilityChanged:
+                value = value >> KShiftLength;
+                if (EDpsCapabilityChangedFalse == value)
+                    {
+                    param.iCapabilityChange = EFalse;    
+                    }
+                else if (EDpsCapabilityChangedTrue == value)
+                    {
+                    param.iCapabilityChange = ETrue;
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iCapabilityChange = param.iCapabilityChange;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                        iCapabilityChange = param.iCapabilityChange;
+                    }
+            break;
+            
+            case EDpsArgNewJobOk:
+                value = value >> KShiftLength;
+                if (EDpsNewJobOkTrue == value)
+                    {
+                    param.iNewJobOk = ETrue;    
+                    }
+                else if (EDpsNewJobOkFalse == value)
+                    {
+                    param.iNewJobOk = EFalse;   
+                    }
+                else
+                    {
+                    return KErrArgument;
+                    }
+                if (reply)
+                    {
+                    iRepParam.iNewJobOk = param.iNewJobOk;
+                    }
+                else
+                    {
+                    aTrader->Engine()->Event()->iPrinterEvent.iRepParam.
+                        iNewJobOk = param.iNewJobOk;
+                    }    
+            break;
+            
+            default:
+                IF_DEBUG(Print(_L("***wrong param")));
+                return KErrArgument;
+            }
+        }
+ 
+    IF_DEBUG(Print(_L("<<<TDpsGetPrinterStatus::FillRepArgs")));    
+    return KErrNone;    
+	}