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GeneralAttrRecordHandler Class Reference

Handles the reading of all attribute records in the v2 file format that are not line or fill attributes. More...

#include <rechattr.h>

Inheritance diagram for GeneralAttrRecordHandler:

CamelotRecordHandler CXaraFileRecordHandler ListItem CCObject SimpleCCObject List of all members.

Public Member Functions

 GeneralAttrRecordHandler ()
 ~GeneralAttrRecordHandler ()
virtual UINT32 * GetTagList ()
 Provides the record handler system with a list of records handled by this handler.
virtual BOOL HandleRecord (CXaraFileRecord *pCXaraFileRecord)
 Handles the given record.

Private Member Functions

 CC_DECLARE_DYNAMIC (GeneralAttrRecordHandler)
BOOL HandleQualityRecord (CXaraFileRecord *pCXaraFileRecord)
 Handles the given record. The record has to be a quality record (and I don't mean a record of high grade).
BOOL HandleUserValueRecord (CXaraFileRecord *pCXaraFileRecord)
 Handles the given record. The record has to be a UserAttribute (ValueAttribute) record.
BOOL HandleWebAddressRecord (CXaraFileRecord *pCXaraFileRecord)
 Handles the given record. The record has to be a WebAddress record.
BOOL HandleWebAddressBoundingBoxRecord (CXaraFileRecord *pCXaraFileRecord)
 Handles the given record. The record has to be a WebAddressBoundingBox record.

Detailed Description

Handles the reading of all attribute records in the v2 file format that are not line or fill attributes.

Author:
Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/7/96
See also:
-

Definition at line 222 of file rechattr.h.

Constructor & Destructor Documentation

GeneralAttrRecordHandler::GeneralAttrRecordHandler (   )  [inline]
 

Definition at line 228 of file rechattr.h.

00228 : CamelotRecordHandler() {}

GeneralAttrRecordHandler::~GeneralAttrRecordHandler (   )  [inline]
 

Definition at line 229 of file rechattr.h.

00229 {}

Member Function Documentation

GeneralAttrRecordHandler::CC_DECLARE_DYNAMIC (  GeneralAttrRecordHandler   )  [private]
 

UINT32 * GeneralAttrRecordHandler::GetTagList (   )  [virtual]
 

Provides the record handler system with a list of records handled by this handler.

Author:
Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/7/96
Parameters:
- [INPUTS]
Returns:
Ptr to a list of tag values, terminated by CXFRH_TAG_LIST_END
See also:
-

Implements CXaraFileRecordHandler.

Definition at line 138 of file rechattr.cpp.

00139 {
00140     static UINT32 TagList[] = { TAG_QUALITY,
00141                                 TAG_USERVALUE,
00142                                 TAG_WEBADDRESS,
00143                                 TAG_WEBADDRESS_BOUNDINGBOX,
00144                                 CXFRH_TAG_LIST_END};
00145 
00146     return (UINT32*)&TagList;
00147 }

BOOL GeneralAttrRecordHandler::HandleQualityRecord (  CXaraFileRecord *  pCXaraFileRecord  )  [private]
 

Handles the given record. The record has to be a quality record (and I don't mean a record of high grade).

Author:
Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/7/96
Parameters:
pCXaraFileRecord = ptr to record to handle [INPUTS]
Returns:
TRUE if handled successfuly FALSE otherwise
See also:
-

Definition at line 212 of file rechattr.cpp.

00213 {
00214     ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
00215     ERROR2IF(pCXaraFileRecord->GetTag() != TAG_QUALITY,FALSE,"I don't handle this tag type");
00216 
00217     INT32 Quality = 0;
00218     BOOL ok = pCXaraFileRecord->ReadINT32(&Quality);
00219 
00220     if (ok)
00221     {
00222         AttrQuality* pQual = new AttrQuality;
00223         if (pQual != NULL)
00224         {
00225             pQual->Value.QualityValue.SetQuality(Quality);
00226             ok = InsertNode(pQual);
00227         }
00228         else
00229             ok = FALSE;
00230     }
00231 
00232     return ok;
00233 }

BOOL GeneralAttrRecordHandler::HandleRecord (  CXaraFileRecord *  pCXaraFileRecord  )  [virtual]
 

Handles the given record.

Author:
Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/7/96
Parameters:
pCXaraFileRecord = ptr to record to handle [INPUTS]
Returns:
TRUE if handled successfuly FALSE otherwise
See also:
-

Implements CXaraFileRecordHandler.

Definition at line 163 of file rechattr.cpp.

00164 {
00165     ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
00166 
00167     BOOL ok = TRUE;
00168 
00169     switch (pCXaraFileRecord->GetTag())
00170     {
00171         case TAG_QUALITY:
00172             ok = HandleQualityRecord(pCXaraFileRecord);
00173             break;
00174 
00175         case TAG_USERVALUE:
00176             ok = HandleUserValueRecord(pCXaraFileRecord);
00177             break;
00178 
00179         case TAG_WEBADDRESS:
00180             ok = HandleWebAddressRecord(pCXaraFileRecord);
00181             break;
00182 
00183         case TAG_WEBADDRESS_BOUNDINGBOX:
00184             ok = HandleWebAddressBoundingBoxRecord(pCXaraFileRecord);
00185             break;
00186 
00187         default:
00188             ok = FALSE;
00189             ERROR3_PF(("I don't handle records with the tag (%d)\n",pCXaraFileRecord->GetTag()));
00190             break;
00191     }
00192 
00193     return ok;
00194 }

BOOL GeneralAttrRecordHandler::HandleUserValueRecord (  CXaraFileRecord *  pCXaraFileRecord  )  [private]
 

Handles the given record. The record has to be a UserAttribute (ValueAttribute) record.

Author:
Phil_Martin (Xara Group Ltd) <camelotdev@xara.com>
Date:
22/8/96 - amended by Graham 23/3/97 to use the new Web Address record
Parameters:
pCXaraFileRecord = ptr to record to handle [INPUTS]
Returns:
TRUE if handled successfuly FALSE otherwise
See also:
-

Definition at line 250 of file rechattr.cpp.

00251 {
00252     ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
00253     ERROR2IF(pCXaraFileRecord->GetTag() != TAG_USERVALUE,FALSE,"I don't handle this tag type");
00254 
00255     String_256 Key;
00256     String_256 Value;
00257     BOOL ok = TRUE;
00258     if (ok) ok = pCXaraFileRecord->ReadUnicode((LPTSTR)Key, 256);
00259     if (ok) ok = pCXaraFileRecord->ReadUnicode((LPTSTR)Value, 256);
00260 
00261     if (ok)
00262     {
00263         //We need to test the Key, to see if this is an old-style Web Address
00264         String_256 strKey=Key;
00265         String_256 strWebAddressKey(_R(IDS_USERATTRKEY_WEBADDRESS));
00266 
00267         //If this is an old-style Web Address
00268         if (strKey==strWebAddressKey)
00269         {
00270             //Then put it in the node tree
00271             AttrWebAddress* pAttrWebAddress = new AttrWebAddress((TCHAR*)Value);
00272         
00273             if (pAttrWebAddress)
00274                 ok = InsertNode(pAttrWebAddress);
00275             else
00276                 ok = FALSE;
00277         }
00278         else
00279         {
00280             // We wrote out the INT32 key, so Key is actually that
00281             AttrUser* const pNewAttr = new AttrUser(Key, Value);
00282         
00283             if (pNewAttr != NULL)
00284             {
00285                 ok = InsertNode(pNewAttr);
00286             }
00287             else
00288             {
00289                 ok = FALSE;
00290             }
00291         }
00292 
00293     }
00294 
00295     return ok;
00296 }

BOOL GeneralAttrRecordHandler::HandleWebAddressBoundingBoxRecord (  CXaraFileRecord *  pCXaraFileRecord  )  [private]
 

Handles the given record. The record has to be a WebAddressBoundingBox record.

Author:
Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/3/97
Parameters:
pCXaraFileRecord = ptr to record to handle [INPUTS]
Returns:
TRUE if handled successfuly FALSE otherwise
See also:
-

Definition at line 362 of file rechattr.cpp.

00363 {
00364     ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
00365     ERROR2IF(pCXaraFileRecord->GetTag() != TAG_WEBADDRESS_BOUNDINGBOX,FALSE,"I don't handle this tag type");
00366 
00367     //There will be two coordinates at the start of the file, which will describe the 
00368     //bounding box of the clickable area of this attribute
00369 
00370     //We don't need these: the bounding box of the clickable area of this attribute
00371     //is the bounding box of the this attribute's parent node. So we throw them away.
00372     DocCoord dcThrowAway;
00373     pCXaraFileRecord->ReadCoordInterleaved(&dcThrowAway);
00374     pCXaraFileRecord->ReadCoordInterleaved(&dcThrowAway);
00375         
00376     //Now get the size of the record
00377     UINT32 ulSize=pCXaraFileRecord->GetSize();
00378 
00379     //And allocate two buffers of that size to put the URL and Frame strings in
00380     TCHAR* pcURL=new TCHAR[ulSize];
00381     TCHAR* pcFrame=new TCHAR[ulSize];
00382     BOOL ok = TRUE;
00383 
00384     //Read in the strings
00385     if (ok) ok = pCXaraFileRecord->ReadUnicode(pcURL, ulSize);
00386     if (ok) ok = pCXaraFileRecord->ReadUnicode(pcFrame, ulSize);
00387 
00388     //And create a new Web Address attribute out of them
00389     if (ok)
00390     {
00391         AttrWebAddress* pAttrWebAddress = new AttrWebAddress(pcURL, TRUE, pcFrame);
00392         
00393         if (pAttrWebAddress)
00394             ok = InsertNode(pAttrWebAddress);
00395         else
00396             ok = FALSE;
00397     }
00398 
00399     delete pcURL;
00400     delete pcFrame;
00401 
00402     return ok;
00403 }

BOOL GeneralAttrRecordHandler::HandleWebAddressRecord (  CXaraFileRecord *  pCXaraFileRecord  )  [private]
 

Handles the given record. The record has to be a WebAddress record.

Author:
Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com>
Date:
25/3/97
Parameters:
pCXaraFileRecord = ptr to record to handle [INPUTS]
Returns:
TRUE if handled successfuly FALSE otherwise
See also:
-

Definition at line 313 of file rechattr.cpp.

00314 {
00315     ERROR2IF(pCXaraFileRecord == NULL,FALSE,"pCXaraFileRecord is NULL");
00316     ERROR2IF(pCXaraFileRecord->GetTag() != TAG_WEBADDRESS,FALSE,"I don't handle this tag type");
00317 
00318     //First let's get the size of the record
00319     UINT32 ulSize=pCXaraFileRecord->GetSize();
00320 
00321     //And allocate two buffers of that size to put the URL and Frame strings in
00322     TCHAR* pcURL=new TCHAR[ulSize];
00323     TCHAR* pcFrame=new TCHAR[ulSize];
00324     BOOL ok = TRUE;
00325 
00326     //Read in the strings
00327     if (ok) ok = pCXaraFileRecord->ReadUnicode(pcURL, ulSize);
00328     if (ok) ok = pCXaraFileRecord->ReadUnicode(pcFrame, ulSize);
00329 
00330     //And create a new Web Address attribute out of them
00331     if (ok)
00332     {
00333         AttrWebAddress* pAttrWebAddress = new AttrWebAddress(pcURL, FALSE, pcFrame);
00334         
00335         if (pAttrWebAddress)
00336             ok = InsertNode(pAttrWebAddress);
00337         else
00338             ok = FALSE;
00339     }
00340 
00341     delete pcURL;
00342     delete pcFrame;
00343 
00344     return ok;
00345 }

The documentation for this class was generated from the following files:
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