bool CTag::WriteTagToFile(CFileDataIO* file, EUtf8Str eStrEncode) const
{
ASSERT_VALID(this);
// don't write tags of unknown types, we wouldn't be able to read them in again
// and the met file would be corrupted
if (IsStr() || IsInt() || IsFloat() || IsBlob() || IsInt64())
{
file->WriteUInt8(m_uType);
if (m_pszName)
{
UINT taglen = strlen(m_pszName);
file->WriteUInt16((uint16)taglen);
file->Write(m_pszName, taglen);
}
else
{
file->WriteUInt16(1);
file->WriteUInt8(m_uName);
}
if (IsStr())
{
file->WriteString(GetStr(), eStrEncode);
}
else if (IsInt())
{
file->WriteUInt32((uint32)m_uVal);
}
else if (IsInt64(false))
{
file->WriteUInt64(m_uVal);
}
else if (IsFloat())
{
file->Write(&m_fVal, 4);
}
else if (IsBlob())
{
// NOTE: This will break backward compatibility with met files for eMule versions prior to 0.44a
file->WriteUInt32(m_nBlobSize);
file->Write(m_pData, m_nBlobSize);
}
//TODO: Support more tag types
else
{
TRACE("%s; Unknown tag: type=0x%02X\n", __FUNCTION__, m_uType);
ASSERT(0);
return false;
}
return true;
}
else
{
TRACE("%s; Ignored tag with unknown type=0x%02X\n", __FUNCTION__, m_uType);
ASSERT(0);
return false;
}
}
PL_blob_data(atom_t a, size_t *len, struct PL_blob_t **type)
{
Atom x = SWIAtomToAtom(a);
if (!IsBlob(x)) {
if (IsWideAtom(x)) {
if ( len )
*len = wcslen(x->WStrOfAE);
if ( type )
*type = &unregistered_blob_atom;
return x->WStrOfAE;
}
if ( len )
*len = strlen(x->StrOfAE);
if ( type )
*type = &unregistered_blob_atom;
return x->StrOfAE;
}
if ( len )
*len = x->rep.blob[0].length;
if ( type )
*type = RepBlobProp(x->PropsOfAE)->blob_t;
return x->rep.blob[0].data;
}
int wxOdbcResultSet::GetFieldLength(int nField)
{
// Some ODBC drivers (i.e. MS SQL SERVER) need the fields to be retrieved in order
for (int ctr = 1; ctr <= nField; ctr++)
{
if (m_fieldValues[ctr-1].IsNull())
{
if (!IsBlob(ctr))
{
RetrieveFieldData(ctr);
}
else
{
wxMemoryBuffer buffer;
GetResultBlob(ctr, buffer);
}
}
}
/*
if (m_fieldValues[nField-1].IsNull())
RetrieveFieldData(nField);
*/
wxString strValue = m_fieldValues[nField-1].GetString();
strValue = strValue.Trim();
size_t real_size = strValue.Length();
return real_size;
}
YAP_find_blob_type(YAP_Atom at)
{
AtomEntry *a = RepAtom((Atom)at);
if (!IsBlob(a)) {
return &unregistered_blob_atom;
}
return RepBlobProp(a->PropsOfAE)->blob_t;
}
CTag::~CTag()
{
if (IsStr()) {
delete m_pstrVal;
} else if (IsHash()) {
delete m_hashVal;
} else if (IsBlob() || IsBsob()) {
delete[] m_pData;
}
}
CTag::~CTag()
{
delete[] m_pszName;
if (IsStr())
delete m_pstrVal;
else if (IsHash())
delete[] m_pData;
else if (IsBlob())
delete[] m_pData;
}
static void
clean_atom_list(AtomHashEntry *HashPtr)
{
Atom atm = HashPtr->Entry;
Atom *patm = &(HashPtr->Entry);
while (atm != NIL) {
AtomEntry *at = RepAtom(atm);
if (AtomResetMark(at) ||
( at->PropsOfAE != NIL && !IsBlob(at) ) ||
(GLOBAL_AGCHook != NULL && !GLOBAL_AGCHook(atm))) {
patm = &(at->NextOfAE);
atm = at->NextOfAE;
} else {
NOfAtoms--;
if (IsBlob(atm)) {
BlobPropEntry *b = RepBlobProp(at->PropsOfAE);
if (b->NextOfPE != NIL) {
patm = &(at->NextOfAE);
atm = at->NextOfAE;
continue;
}
NOfAtoms++;
NOfBlobs--;
Yap_FreeCodeSpace((char *)b);
GLOBAL_agc_collected += sizeof(BlobPropEntry);
GLOBAL_agc_collected += sizeof(AtomEntry)+sizeof(size_t)+at->rep.blob->length;
} else if (IsWideAtom(atm)) {
#ifdef DEBUG_RESTORE3
fprintf(stderr, "Purged %p:%S\n", at, at->WStrOfAE);
#endif
GLOBAL_agc_collected += sizeof(AtomEntry)+wcslen(at->WStrOfAE);
} else {
#ifdef DEBUG_RESTORE3
fprintf(stderr, "Purged %p:%s patm=%p %p\n", at, at->StrOfAE, patm, at->NextOfAE);
#endif
GLOBAL_agc_collected += sizeof(AtomEntry)+strlen(at->StrOfAE);
}
*patm = atm = at->NextOfAE;
Yap_FreeCodeSpace((char *)at);
}
}
}
void CTag::AssertValid() const
{
CObject::AssertValid();
ASSERT( m_uType != 0 );
ASSERT( m_uName != 0 && m_pszName == NULL || m_uName == 0 && m_pszName != NULL );
ASSERT( m_pszName == NULL || AtlIsValidString(m_pszName) );
if (IsStr())
ASSERT( m_pstrVal != NULL && AtlIsValidString(*m_pstrVal) );
else if (IsHash())
ASSERT( m_pData != NULL && AtlIsValidAddress(m_pData, 16) );
else if (IsBlob())
ASSERT( m_pData != NULL && AtlIsValidAddress(m_pData, m_nBlobSize) );
}
// get field
bool wxOdbcResultSet::IsFieldNull(int nField)
{
// Some ODBC drivers (i.e. MS SQL SERVER) need the fields to be retrieved in order
for (int ctr = 1; ctr < nField; ctr++)
{
if (m_fieldValues[ctr-1].IsNull())
{
if (IsBlob(ctr))
{
wxMemoryBuffer buffer;
GetResultBlob(ctr, buffer);
}
else
{
RetrieveFieldData(ctr);
}
}
}
if (!IsBlob(nField))
{
if (m_RetrievedValues.find(nField) == m_RetrievedValues.end())
{
RetrieveFieldData(nField);
}
}
else
{
wxMemoryBuffer buffer;
void* pBlob = GetResultBlob(nField, buffer);
if (pBlob == NULL)
m_NullValues.insert(nField);
}
return (m_NullValues.find(nField) != m_NullValues.end());
}
bool CTag::WriteTagToFile(CFileDataIO* file, EUtf8Str WXUNUSED(eStrEncode), bool restrictive) const
{
// Don't write tags of unknown types, we wouldn't be able to read them in again
// and the met file would be corrupted
if (!restrictive || (IsStr() || IsInt() || IsFloat() || IsBlob())) {
// If this fails, it'll throw.
file->WriteTag(*this);
return true;
} else {
printf("%s; Ignored tag with unknown type=0x%02X\n", __FUNCTION__, m_uType);
return false;
}
}
bool YAP_is_blob(Term t, blob_type_t **type) {
CACHE_REGS
Term yt = Yap_GetFromSlot(t);
Atom a;
YAP_BlobPropEntry *b;
if (IsVarTerm(yt))
return FALSE;
if (!IsAtomTerm(yt))
return FALSE;
a = AtomOfTerm(yt);
if (!IsBlob(a))
return FALSE;
b = RepBlobProp(a->PropsOfAE);
*type = b->blob_type;
return TRUE;
}
PL_is_blob(term_t t, PL_blob_t **type)
{
CACHE_REGS
Term yt = Yap_GetFromSlot(t PASS_REGS);
Atom a;
BlobPropEntry *b;
if (IsVarTerm(yt))
return FALSE;
if (!IsAtomTerm(yt))
return FALSE;
a = AtomOfTerm(yt);
if (!IsBlob(a))
return FALSE;
b = RepBlobProp(a->PropsOfAE);
*type = b->blob_t;
return TRUE;
}
const byte* CTag::GetBlob() const
{
CHECK_TAG_TYPE(IsBlob(), Blob);
return m_pData;
}
uint32 CTag::GetBlobSize() const
{
CHECK_TAG_TYPE(IsBlob(), Blob);
return m_nSize;
}
