/*
* Read the PACK directory into memory. The optional offset to the
* start of the PACK file is given in "offset". The number of files in
* the directory is returned in *dirsize_r.
*/
PACKDirPtr ReadPACKDirectory(FILE *packfile, UInt32 offset, UInt16 *dirsize_r)
{
PACKDirPtr dir;
UInt32 pos, size;
UInt16 max, i;
*dirsize_r = 0;
if (packfile == NULL)
return NULL;
if ((fseek(packfile, offset, SEEK_SET) < 0)
|| (ReadMagic(packfile) != FTYPE_PACK)
|| (ReadInt32(packfile, &pos) == FALSE)
|| (ReadInt32(packfile, &size) == FALSE)
|| (size == 0L)
|| (size / sizeof(struct PACKDirectory) > 65535L)
|| (fseek(packfile, offset + pos, SEEK_SET) < 0))
return NULL;
dir = (PACKDirPtr)__qmalloc(size);
max = (UInt16)(size / sizeof(struct PACKDirectory));
for (i = 0; i < max; i++)
{
if (ReadBytes(packfile, &dir[i], sizeof(struct PACKDirectory)) == FALSE)
{
free(dir);
return NULL;
}
ConvertFilePath(dir[i].name);
dir[i].offset = SwapInt32(dir[i].offset);
dir[i].size = SwapInt32(dir[i].size);
}
*dirsize_r = max;
return dir;
}
bool CmpParser::openFile(std::string filename){
this->closeFile();
file.open (filename.c_str(), std::fstream::in | std::fstream::binary);
if (file.is_open()==false)
return false;
file.read((char*)&hdr,sizeof(HTKhdr));
if (IsVAXOrder()){
SwapShort(&hdr.sampSize);
SwapShort(&hdr.sampKind);
SwapInt32(&hdr.sampPeriod);
SwapInt32(&hdr.nSamples);
}
return true;
}
bool CmpParser::readData(arma::Col<double> &data,short code){
unsigned int dim=hdr.sampSize/4;
data.resize(dim);
if (code==0){
float *p=new float;
for (int i=0;i<dim;i++){
if (file.read((char*)p,sizeof(float))==0)
return false;
SwapInt32((int*)p);
data[i]=*p;
}
delete p;
}
return true;
}
BViewState*
BViewState::InstantiateFromStream(BMallocIO* stream, bool endianSwap)
{
// compare stream header in canonical form
uint32 key = AttrHashString("BViewState", B_OBJECT_TYPE);
int32 version = kViewStateArchiveVersion;
if (endianSwap) {
key = SwapUInt32(key);
version = SwapInt32(version);
}
if (!ValidateStream(stream, key, version))
return NULL;
return _Sanitize(new (std::nothrow) BViewState(stream, endianSwap));
}
BColumn *
BColumn::InstantiateFromStream(BMallocIO *stream, bool endianSwap)
{
// compare stream header in canonical form
uint32 key = AttrHashString("BColumn", B_OBJECT_TYPE);
int32 version = kColumnStateArchiveVersion;
if (endianSwap) {
key = SwapUInt32(key);
version = SwapInt32(version);
}
// PRINT(("validating key %x, version %d\n", key, version));
if (!ValidateStream(stream, key, version))
return 0;
// PRINT(("instantiating column, %s\n", endianSwap ? "endian swapping," : ""));
BColumn *result = new BColumn(stream, endianSwap);
// sanity-check the resulting column
if (result->fTitle.Length() > 500
|| result->fOffset < 0
|| result->fOffset > 10000
|| result->fWidth < 0
|| result->fWidth > 10000
|| (int32)result->fAlignment < B_ALIGN_LEFT
|| (int32)result->fAlignment > B_ALIGN_CENTER
|| result->fAttrName.Length() > 500) {
PRINT(("column data not valid\n"));
delete result;
return 0;
}
#if DEBUG
else if (endianSwap)
PRINT(("Instantiated foreign column ok\n"));
#endif
return result;
}
BViewState *
BViewState::InstantiateFromStream(BMallocIO *stream, bool endianSwap)
{
// compare stream header in canonical form
uint32 key = AttrHashString("BViewState", B_OBJECT_TYPE);
int32 version = kViewStateArchiveVersion;
if (endianSwap) {
key = SwapUInt32(key);
version = SwapInt32(version);
}
if (!ValidateStream(stream, key, version))
return NULL;
BViewState *result = new BViewState(stream, endianSwap);
// do a sanity check here
if ((result->fViewMode != kListMode
&& result->fViewMode != kIconMode
&& result->fViewMode != kMiniIconMode
&& result->fViewMode != 0)
|| (result->fLastIconMode != kListMode
&& result->fLastIconMode != kIconMode
&& result->fLastIconMode != kMiniIconMode
&& result->fLastIconMode != 0)) {
PRINT(("Bad data instantiating ViewState, view mode %x, lastIconMode %x\n",
result->fViewMode, result->fLastIconMode));
delete result;
return NULL;
}
#if DEBUG
else if (endianSwap)
PRINT(("Instantiated foreign view state ok\n"));
#endif
return result;
}
BColumn*
BColumn::InstantiateFromStream(BMallocIO* stream, bool endianSwap)
{
// compare stream header in canonical form
// we can't use ValidateStream(), as we preserve backwards compatibility
int32 version;
uint32 key;
if (stream->Read(&key, sizeof(uint32)) <= 0
|| stream->Read(&version, sizeof(int32)) <=0)
return 0;
if (endianSwap) {
key = SwapUInt32(key);
version = SwapInt32(version);
}
if (key != AttrHashString("BColumn", B_OBJECT_TYPE)
|| version < kColumnStateMinArchiveVersion)
return 0;
// PRINT(("instantiating column, %s\n", endianSwap ? "endian swapping," : ""));
return _Sanitize(new (std::nothrow) BColumn(stream, version, endianSwap));
}
