RideFile* readBlocks(const QByteArray& blocks, const qint16 version, QStringList& /*errors*/) {
RideFile* rideFile = new RideFile();
rideFile->setDeviceType(TACX_FORTIUS_DEVICE_TYPE);
rideFile->setFileFormat("Tacx Fortius (caf)");
QByteArray remainingBytes = blocks;
while(!remainingBytes.isEmpty()) {
const QByteArray blockHeaderBytes = remainingBytes.left(12);
header_t blockHeader = readBlockHeader(blockHeaderBytes);
switch(blockHeader.fingerprint) {
case TACX_RIDE_INFORMATION_BLOCK:
readRideInformationBlock(rideFile, remainingBytes.mid(12));
break;
case TACX_RIDE_DATA_BLOCK:
readRideData(rideFile, remainingBytes.mid(12), blockHeader.recordCount, version);
break;
}
int skipBytes = 12 + blockHeader.recordCount * blockHeader.recordSize;
remainingBytes = remainingBytes.mid(skipBytes);
}
return rideFile;
}
// Read one file header block. Returns:
// -1 ... this was the last block
// 0 ... there is at least one more block left
// 1 ... error occured during reading the block
// Arguments:
// f ... pointer to file for reading
// debugMode ... debug messages flag
// fileName ... name of the file
// buf ... pointer to header buffer,
// enlarged (reallocated) for current block
// bufOffset ... pointer to buffer size, increased for current block size
int readHeaderBlock(FILE *f, int debugMode, const char *fileName, char **buf,
int *bufOffset)
{
char *tmpBuf;
int error, blockHeader[blockHeaderSize], swap;
// Get size of file header block.
swap = readBlockHeader(f, fileName, debugMode, blockHeader, sizeof(char));
if(swap < 0) return 1; // Error.
// Allocate space for buffer.
tmpBuf = reallocate(debugMode, *buf,
(*bufOffset + blockHeader[0] + 1) * sizeof(char));
if(tmpBuf == NULL) return 1; // Error.
*buf = tmpBuf;
// Read file header block.
error = readBlockData(f, fileName, debugMode, *buf + *bufOffset, bufOffset,
sizeof(char), blockHeader[0], 0);
if(error == 1) return 1; // Error.
(*buf)[*bufOffset] = 0;
// Read trailer of file header block.
error = readBlockTrailer(f, fileName, debugMode, swap,
blockHeader[blockHeaderSize - 1]);
if(error == 1) return 1; // Error.
if(strstr(*buf, "$&%#")) return -1; // End of block.
return 0; // There is more.
}
// Read one data block. Returns:
// -1 ... this was the last block
// 0 ... there is at least one more block left
// 1 ... error occured during reading the block
// Arguments:
// f ... pointer to file for reading
// debugMode ... debug messages flag
// fileName ... name of the file
// rawData ... pointer to data array,
// enlarged (reallocated) for current block
// rawDataOffset ... pointer to data array size, increased for current block size
int readDataBlock(FILE *f, int debugMode, int postVersion,
const char *fileName, float **rawData,
int *rawDataOffset)
{
int error, blockHeader[blockHeaderSize], swap;
float *tmpRawData;
double endVal;
// Get size of raw data block.
swap = readBlockHeader(f, fileName, debugMode, blockHeader, sizeof(float));
if(swap < 0) return 1; // Error.
// Allocate space for raw data.
tmpRawData = reallocate(debugMode, *rawData,
(*rawDataOffset + blockHeader[0]) * sizeof(float));
if(tmpRawData == NULL) return 1; // Error.
*rawData = tmpRawData;
// Read raw data block.
error = readBlockData(f, fileName, debugMode, *rawData + *rawDataOffset,
rawDataOffset, sizeof(float), blockHeader[0], swap);
if(error == 1) return 1; // Error.
// Read trailer of file header block.
error = readBlockTrailer(f, fileName, debugMode, swap,
blockHeader[blockHeaderSize - 1]);
if(error == 1) return 1; // Error.
if(postVersion == 2001)
{
endVal = *(double *)(*rawData + *rawDataOffset - 2);
}
else
{
endVal = *(*rawData + *rawDataOffset - 1);
}
if(endVal > 9e29)
{
if(debugMode) fprintf(debugFile, "%g\n", endVal);
return -1; // End of block.
}
return 0; // There is more.
}
void ArcInfoExportFileNode::update(void)
{
/* Do nothing if there is no export file name: */
if(url.getNumValues()==0)
return;
/* Open the ARC/INFO export file: */
IO::AutoFile exportFileSource(Comm::openFile(multiplexer,url.getValue(0).c_str()));
IO::ValueSource exportFile(*exportFileSource);
/* Check the file's format: */
if(exportFile.readString()!="EXP"||exportFile.readInteger()!=0)
return;
/* Skip the rest of the header line: */
exportFile.skipLine();
exportFile.skipWs();
/* Create a shape node to contain the polylines read from embedded ARC files: */
ShapeNode* arcShape=new ShapeNode;
IndexedLineSetNode* arcLineSet=new IndexedLineSetNode;
arcShape->geometry.setValue(arcLineSet);
ColorNode* arcLineSetColors=new ColorNode;
arcLineSet->color.setValue(arcLineSetColors);
CoordinateNode* arcLineSetCoords=new CoordinateNode;
arcLineSet->coord.setValue(arcLineSetCoords);
arcLineSet->colorPerVertex.setValue(false);
/* Read embedded files until end-of-file: */
while(!exportFile.eof())
{
/* Read the next embedded file's header: */
std::string fileType=exportFile.readString();
if(fileType=="EOS")
{
/* Marks the end of the file; ignore everything after here: */
break;
}
else if(fileType=="ARC")
{
/* Skip the rest of the line: */
exportFile.skipLine();
exportFile.skipWs();
/* Read polylines from the ARC file: */
while(true)
{
/* Read the next block header: */
int blockHeader[7];
if(!readBlockHeader(exportFile,blockHeader)||blockHeader[0]==-1)
break;
/* Read all vertices in this polyline: */
for(int i=0;i<blockHeader[6];++i)
{
/* Read the next vertex's 2D position: */
double px=exportFile.readNumber();
double py=exportFile.readNumber();
/* Add the vertex to the current polyline: */
arcLineSet->coordIndex.appendValue(arcLineSetCoords->point.getNumValues());
arcLineSetCoords->point.appendValue(Point(px,py,0));
}
/* Finalize the current polyline: */
arcLineSet->coordIndex.appendValue(-1);
arcLineSetColors->color.appendValue(Color(1.0f,1.0f,1.0f));
}
}
else if(fileType=="SIN")
{
/* Skip a SIN file: */
while(!exportFile.eof()&&exportFile.readString()!="EOX")
;
}
else if(fileType=="LOG")
{
/* Skip a LOG file: */
while(!exportFile.eof()&&exportFile.readString()!="EOL")
;
}
else if(fileType=="PRJ")
{
/* Skip a PRJ file: */
while(!exportFile.eof()&&exportFile.readString()!="EOP")
;
}
else if(fileType=="TX6"||fileType=="TX7"||fileType=="RXP"||fileType=="RPL")
{
/* Skip a text file: */
while(!exportFile.eof()&&exportFile.readString()!="JABBERWOCKY") // What the hell?
;
}
else if(fileType=="MTD")
{
/* Skip a MTD file: */
while(!exportFile.eof()&&exportFile.readString()!="EOD")
;
}
else if(fileType=="IFO")
{
/* Skip a IFO file: */
while(!exportFile.eof()&&exportFile.readString()!="EOI")
;
}
else
{
/* Temporarily mark newline characters as punctuation: */
exportFile.setPunctuation('\n',true);
/* Skip an unrecognized file: */
while(!exportFile.eof())
{
/* Try to read a block header: */
int values[7];
if(readBlockHeader(exportFile,values)&&values[0]==-1)
break;
/* Skip the rest of the line: */
exportFile.skipLine();
exportFile.skipWs();
}
/* Mark newline characters as whitespace again: */
exportFile.setWhitespace('\n',true);
}
}
/* Finalize the generated nodes: */
arcLineSetColors->update();
arcLineSetCoords->update();
arcLineSet->update();
arcShape->update();
/* Store all generated nodes as children: */
children.appendValue(arcShape);
GroupNode::update();
}
