/**
* Utility method for traversing a text node that we know
* a-priori to be on a left or right boundary of the range.
* This method does not properly handle text nodes that contain
* both the start and end points of the range.
*
*/
DOM_Node RangeImpl::traverseTextNode( DOM_Node n, bool isLeft, int how )
{
DOMString txtValue = n.getNodeValue();
DOMString newNodeValue;
DOMString oldNodeValue;
if ( isLeft )
{
int offset = getStartOffset();
newNodeValue = txtValue.substringData( offset , fStartContainer.getNodeValue().length()-offset);
oldNodeValue = txtValue.substringData( 0, offset );
}
else
{
int offset = getEndOffset();
newNodeValue = txtValue.substringData( 0, offset );
oldNodeValue = txtValue.substringData( offset , fEndContainer.getNodeValue().length()-offset );
}
if ( how != CLONE_CONTENTS )
n.setNodeValue( oldNodeValue );
if ( how==DELETE_CONTENTS )
return null;
DOM_Node newNode = n.cloneNode( false );
newNode.setNodeValue( newNodeValue );
return newNode;
}
void
GfxFeatureMapRequestPacket::printPacket() const
{
cout << "GfxFeatureMapRequestPacket::printPacket() for map "
<< getMapID() << endl;
cout << "Bounding box for the GfxFeatureMapRequestPacket:" << endl;
MC2BoundingBox bbox;
getMC2BoundingBox(&bbox);
bbox.dump();
uint16 x, y;
getScreenSize(x, y);
cout << "Screen size (x = " << x << ", y = "
<< y << ")" << endl;
cout << "max scaleLevel = " << getMaxScaleLevel() << endl;
cout << "min scaleLevel = " << getMinScaleLevel() << endl;
cout << "filt scaleLevel = " << getFiltScaleLevel() << endl;
cout << "language = " << (int)getLanguage() << endl;
cout << "nbrNodeIDs " << getNbrNodeIDs() << endl;
cout << " isStartAndEnd byte 0x" << hex
<< int( readByte(isStartAndEnd_POS)) << dec << endl;
cout << "IgnoreStartOffset " << BP(getIgnoreStartOffset()) << endl;
cout << " isStartAndEnd byte 0x" << hex
<< int(readByte(isStartAndEnd_POS)) << dec << endl;
cout << "IgnoreEndOffset " << BP(getIgnoreEndOffset()) << endl;
cout << "StartOffset " << getStartOffset() << endl;
cout << "EndOffset " << getEndOffset() << endl;
cout << "NbrReqPackets " << int(getNbrReqPackets()) << endl;
cout << "DrawOverviewContents " << BP(getDrawOverviewContents())
<< endl;
}
/*@brief Traverse the whole File of the relation specified by fileName
* and add lndex for each record
* @param indexName The name of the created Index
* @param attribute The attribute where Index is created on
* @param recordLength The Length of the entire record
* @param fileName The data file of the Relation
* @pre Indexname exists
* @return void
* @throw IndexNotExistException
* @post A index is created and store in .index file
*/
void IndexManager::createIndex(const string &indexName, Data &attribute, const int &recordLength, const string &fileName)
{/*storing index wait to be completed*/
/*Calculate the fan-out of BPlusTree so that each leaf node's size is a block*/
int bPlusFanOut;
switch (attribute.getType())
{
case CHAR:bPlusFanOut = (BLOCKSIZE - 4) / (attribute.getLength() + sizeof(ADDRESS)); break;
case INT:bPlusFanOut = (BLOCKSIZE - 4) / (1 + INT_STRING_SIZE + sizeof(ADDRESS)); break;
case FLOAT:bPlusFanOut = (BLOCKSIZE - 4) / (1 + FLOAT_INTEGER_SIZE + FLOAT_DECIMAL_SIZE + 1 + sizeof(ADDRESS)); break;
default:
exception ex;
throw ex;
break;
}
/*Create an index B+ Tree and insert it to index library*/
BPlusTreeIndex *newIndex = new BPlusTreeIndex(bPlusFanOut, attribute.getLength(), attribute.getOffset(), attribute.getType());
indexLibrary[indexName] = newIndex;
ADDRESS endOffset = getEndOffset(fileName);
/*Get record from bufferManager and create index*/
for (ADDRESS recordOffset = HEADER_BLOCK_OFFSET; recordOffset < endOffset; recordOffset += recordLength)
{
BYTE* recordData;
if ((recordOffset / 4096 + 1) * 4096 - recordOffset < recordLength&&recordOffset % 4096 != 0)
recordOffset = (recordOffset / 4096 + 1) * 4096;/*eliminate the tail of a block*/
recordData = bufferManager->fetchARecord(fileName, recordOffset + attribute.getOffset());/*point to the start of the attribute*/
string recordString = "";
char* tmpRecordString = new char[attribute.getLength() + 1];
int tmpRecordInt = 0;
float tmpRecordFloat = 0;
stringstream ss;
switch (attribute.getType())
{
case CHAR:
memcpy(tmpRecordString, recordData, attribute.getLength());
tmpRecordString[attribute.getLength()] = 0;
recordString = tmpRecordString;
newIndex->addKey(recordOffset, recordString);
break;
case INT:
memcpy(&tmpRecordInt, recordData, sizeof(int));
ss << tmpRecordInt;
ss >> recordString;
newIndex->addKey(recordOffset, toAlignedInt(recordString));
break;
case FLOAT:
memcpy(&tmpRecordFloat, recordData, sizeof(float));
ss << tmpRecordFloat;
ss >> recordString;
newIndex->addKey(recordOffset, toAlignedFloat(recordString));
break;
default:
break;
}
}
saveIndexToFile(indexName, attribute.getType());
}
