private int packKeyPart(ByteBuffer buf, int dst, ClassDescriptor.FieldType type, object val)
{
switch (type)
{
case ClassDescriptor.FieldType.tpBoolean:
dst = buf.packBool(dst, (bool)val);
break;
case ClassDescriptor.FieldType.tpByte:
dst = buf.packI1(dst, (byte)val);
break;
case ClassDescriptor.FieldType.tpSByte:
dst = buf.packI1(dst, (sbyte)val);
break;
case ClassDescriptor.FieldType.tpShort:
dst = buf.packI2(dst, (short)val);
break;
case ClassDescriptor.FieldType.tpUShort:
dst = buf.packI2(dst, (ushort)val);
break;
case ClassDescriptor.FieldType.tpChar:
dst = buf.packI2(dst, (char)val);
break;
case ClassDescriptor.FieldType.tpInt:
case ClassDescriptor.FieldType.tpOid:
case ClassDescriptor.FieldType.tpEnum:
dst = buf.packI4(dst, (int)val);
break;
case ClassDescriptor.FieldType.tpUInt:
dst = buf.packI4(dst, (int)(uint)val);
break;
case ClassDescriptor.FieldType.tpObject:
dst = buf.packI4(dst, val != null ? (int)((IPersistent)val).Oid : 0);
break;
case ClassDescriptor.FieldType.tpLong:
dst = buf.packI8(dst, (long)val);
break;
case ClassDescriptor.FieldType.tpULong:
dst = buf.packI8(dst, (long)(ulong)val);
break;
case ClassDescriptor.FieldType.tpDate:
dst = buf.packDate(dst, (DateTime)val);
break;
case ClassDescriptor.FieldType.tpFloat:
dst = buf.packF4(dst, (float)val);
break;
case ClassDescriptor.FieldType.tpDouble:
dst = buf.packF8(dst, (double)val);
break;
case ClassDescriptor.FieldType.tpDecimal:
dst = buf.packDecimal(dst, (decimal)val);
break;
case ClassDescriptor.FieldType.tpGuid:
dst = buf.packGuid(dst, (Guid)val);
break;
case ClassDescriptor.FieldType.tpString:
dst = buf.packString(dst, (string)val);
break;
case ClassDescriptor.FieldType.tpArrayOfByte:
buf.extend(dst + 4);
if (val != null)
{
byte[] arr = (byte[])val;
int len = arr.Length;
Bytes.pack4(buf.arr, dst, len);
dst += 4;
buf.extend(dst + len);
Array.Copy(arr, 0, buf.arr, dst, len);
dst += len;
}
else
{
Bytes.pack4(buf.arr, dst, 0);
dst += 4;
}
break;
default:
Debug.Assert(false, "Invalid type");
break;
}
return(dst);
}
internal void createIndex(String indexType)
{
XMLScanner.Token tkn;
int oid = 0;
bool unique = false;
String className = null;
String fieldName = null;
String[] fieldNames = null;
long autoinc = 0;
String type = null;
while ((tkn = scanner.scan()) == XMLScanner.Token.IDENT)
{
System.String attrName = scanner.Identifier;
if (scanner.scan() != XMLScanner.Token.EQ || scanner.scan() != XMLScanner.Token.SCONST)
{
throwException("Attribute value expected");
}
System.String attrValue = scanner.String;
if (attrName.Equals("id"))
{
oid = mapId(parseInt(attrValue));
}
else if (attrName.Equals("unique"))
{
unique = parseInt(attrValue) != 0;
}
else if (attrName.Equals("class"))
{
className = attrValue;
}
else if (attrName.Equals("type"))
{
type = attrValue;
}
else if (attrName.Equals("autoinc"))
{
autoinc = parseInt(attrValue);
}
else if (attrName.StartsWith("field"))
{
int len = attrName.Length;
if (len == 5)
{
fieldName = attrValue;
}
else
{
int fieldNo = Int32.Parse(attrName.Substring(5));
if (fieldNames == null || fieldNames.Length <= fieldNo)
{
String[] newFieldNames = new String[fieldNo + 1];
if (fieldNames != null)
{
Array.Copy(fieldNames, 0, newFieldNames, 0, fieldNames.Length);
}
fieldNames = newFieldNames;
}
fieldNames[fieldNo] = attrValue;
}
}
}
if (tkn != XMLScanner.Token.GT)
{
throwException("Unclosed element tag");
}
if (oid == 0)
{
throwException("ID is not specified or index");
}
ClassDescriptor desc = db.getClassDescriptor(findClassByName(indexType));
#if WITH_OLD_BTREE
OldBtree btree = (OldBtree)desc.newInstance();
if (className != null)
{
Type cls = findClassByName(className);
if (fieldName != null)
{
btree.init(cls, ClassDescriptor.FieldType.tpLast, new string[] { fieldName }, unique, autoinc);
}
else if (fieldNames != null)
{
btree.init(cls, ClassDescriptor.FieldType.tpLast, fieldNames, unique, autoinc);
}
else
{
throwException("Field name is not specified for field index");
}
}
else
{
if (type == null)
{
if (indexType.StartsWith("Volante.Impl.PersistentSet"))
{
}
else
{
throwException("Key type is not specified for index");
}
}
else
{
if (indexType.StartsWith("Volante.impl.BitIndexImpl"))
{
}
else
{
btree.init(null, mapType(type), null, unique, autoinc);
}
}
}
db.assignOid(btree, oid);
#endif
while ((tkn = scanner.scan()) == XMLScanner.Token.LT)
{
if (scanner.scan() != XMLScanner.Token.IDENT || !scanner.Identifier.Equals("ref"))
{
throwException("<ref> element expected");
}
#if WITH_OLD_BTREE
XMLElement refElem = readElement("ref");
Key key;
if (fieldNames != null)
{
String[] values = new String[fieldNames.Length];
ClassDescriptor.FieldType[] types = btree.FieldTypes;
for (int i = 0; i < values.Length; i++)
{
values[i] = getAttribute(refElem, "key" + i);
}
key = createCompoundKey(types, values);
}
else
{
key = createKey(btree.FieldType, getAttribute(refElem, "key"));
}
IPersistent obj = new PersistentStub(db, mapId(getIntAttribute(refElem, "id")));
btree.insert(key, obj, false);
#endif
}
if (tkn != XMLScanner.Token.LTS
|| scanner.scan() != XMLScanner.Token.IDENT
|| !scanner.Identifier.Equals(indexType)
|| scanner.scan() != XMLScanner.Token.GT)
{
throwException("Element is not closed");
}
#if WITH_OLD_BTREE
ByteBuffer buf = new ByteBuffer();
buf.extend(ObjectHeader.Sizeof);
int size = db.packObject(btree, desc, ObjectHeader.Sizeof, buf, null);
byte[] data = buf.arr;
ObjectHeader.setSize(data, 0, size);
ObjectHeader.setType(data, 0, desc.Oid);
long pos = db.allocate(size, 0);
db.setPos(oid, pos | DatabaseImpl.dbModifiedFlag);
db.pool.put(pos & ~DatabaseImpl.dbFlagsMask, data, size);
#endif
}
internal int packObject(XMLElement objElem, ClassDescriptor desc, int offs, ByteBuffer buf)
{
ClassDescriptor.FieldDescriptor[] flds = desc.allFields;
for (int i = 0, n = flds.Length; i < n; i++)
{
ClassDescriptor.FieldDescriptor fd = flds[i];
FieldInfo f = fd.field;
String fieldName = fd.fieldName;
XMLElement elem = (objElem != null) ? objElem.getSibling(fieldName) : null;
switch (fd.type)
{
case ClassDescriptor.FieldType.tpByte:
case ClassDescriptor.FieldType.tpSByte:
buf.extend(offs + 1);
if (elem != null)
{
if (elem.isIntValue())
{
buf.arr[offs] = (byte)elem.IntValue;
}
else if (elem.isRealValue())
{
buf.arr[offs] = (byte)elem.RealValue;
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 1;
continue;
case ClassDescriptor.FieldType.tpBoolean:
buf.extend(offs + 1);
if (elem != null)
{
if (elem.isIntValue())
{
buf.arr[offs] = (byte)(elem.IntValue != 0 ? 1 : 0);
}
else if (elem.isRealValue())
{
buf.arr[offs] = (byte)(elem.RealValue != 0.0 ? 1 : 0);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 1;
continue;
case ClassDescriptor.FieldType.tpShort:
case ClassDescriptor.FieldType.tpUShort:
case ClassDescriptor.FieldType.tpChar:
buf.extend(offs + 2);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.pack2(buf.arr, offs, (short)elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.pack2(buf.arr, offs, (short)elem.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 2;
continue;
case ClassDescriptor.FieldType.tpEnum:
buf.extend(offs + 4);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.pack4(buf.arr, offs, (int)elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.pack4(buf.arr, offs, (int)elem.RealValue);
}
else if (elem.isStringValue())
{
try
{
#if CF
Bytes.pack4(buf.arr, offs, (int)ClassDescriptor.parseEnum(f.FieldType, elem.StringValue));
#else
Bytes.pack4(buf.arr, offs, (int)Enum.Parse(f.FieldType, elem.StringValue));
#endif
}
catch (ArgumentException)
{
throwException("Invalid enum value");
}
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 4;
continue;
case ClassDescriptor.FieldType.tpInt:
case ClassDescriptor.FieldType.tpUInt:
buf.extend(offs + 4);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.pack4(buf.arr, offs, (int)elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.pack4(buf.arr, offs, (int)elem.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 4;
continue;
case ClassDescriptor.FieldType.tpLong:
case ClassDescriptor.FieldType.tpULong:
buf.extend(offs + 8);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.pack8(buf.arr, offs, elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.pack8(buf.arr, offs, (long)elem.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 8;
continue;
case ClassDescriptor.FieldType.tpFloat:
buf.extend(offs + 4);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.packF4(buf.arr, offs, (float)elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.packF4(buf.arr, offs, (float)elem.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 4;
continue;
case ClassDescriptor.FieldType.tpDouble:
buf.extend(offs + 8);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.packF8(buf.arr, offs, (double)elem.IntValue);
}
else if (elem.isRealValue())
{
Bytes.packF8(buf.arr, offs, elem.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 8;
continue;
case ClassDescriptor.FieldType.tpDecimal:
buf.extend(offs + 16);
if (elem != null)
{
decimal d = 0;
if (elem.isIntValue())
{
d = elem.IntValue;
}
else if (elem.isRealValue())
{
d = (decimal)elem.RealValue;
}
else if (elem.isStringValue())
{
try
{
d = Decimal.Parse(elem.StringValue);
}
catch (FormatException)
{
throwException("Invalid date");
}
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
Bytes.packDecimal(buf.arr, offs, d);
}
offs += 16;
continue;
case ClassDescriptor.FieldType.tpGuid:
buf.extend(offs + 16);
if (elem != null)
{
if (elem.isStringValue())
{
Guid guid = new Guid(elem.StringValue);
byte[] bits = guid.ToByteArray();
Array.Copy(bits, 0, buf.arr, offs, 16);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 16;
continue;
case ClassDescriptor.FieldType.tpDate:
buf.extend(offs + 8);
if (elem != null)
{
if (elem.isIntValue())
{
Bytes.pack8(buf.arr, offs, elem.IntValue);
}
else if (elem.isNullValue())
{
Bytes.pack8(buf.arr, offs, -1);
}
else if (elem.isStringValue())
{
try
{
Bytes.packDate(buf.arr, offs, DateTime.Parse(elem.StringValue));
}
catch (FormatException)
{
throwException("Invalid date");
}
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
offs += 8;
continue;
case ClassDescriptor.FieldType.tpString:
if (elem != null)
{
System.String val = null;
if (elem.isIntValue())
{
val = System.Convert.ToString(elem.IntValue);
}
else if (elem.isRealValue())
{
val = elem.RealValue.ToString();
}
else if (elem.isStringValue())
{
val = elem.StringValue;
}
else if (elem.isNullValue())
{
val = null;
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
offs = buf.packString(offs, val);
continue;
}
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
continue;
case ClassDescriptor.FieldType.tpOid:
case ClassDescriptor.FieldType.tpObject:
{
int oid = 0;
if (elem != null)
{
XMLElement refElem = elem.getSibling("ref");
if (refElem == null)
{
throwException("<ref> element expected");
}
oid = mapId(getIntAttribute(refElem, "id"));
}
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, oid);
offs += 4;
continue;
}
case ClassDescriptor.FieldType.tpValue:
offs = packObject(elem, fd.valueDesc, offs, buf);
continue;
case ClassDescriptor.FieldType.tpRaw:
case ClassDescriptor.FieldType.tpArrayOfByte:
case ClassDescriptor.FieldType.tpArrayOfSByte:
offs = importBinary(elem, offs, buf, fieldName);
continue;
case ClassDescriptor.FieldType.tpArrayOfBoolean:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
buf.arr[offs] = (byte)(item.IntValue != 0 ? 1 : 0);
}
else if (item.isRealValue())
{
buf.arr[offs] = (byte)(item.RealValue != 0.0 ? 1 : 0);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 1;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfChar:
case ClassDescriptor.FieldType.tpArrayOfShort:
case ClassDescriptor.FieldType.tpArrayOfUShort:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 2);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.pack2(buf.arr, offs, (short)item.IntValue);
}
else if (item.isRealValue())
{
Bytes.pack2(buf.arr, offs, (short)item.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 2;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfEnum:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
Type elemType = f.FieldType.GetElementType();
buf.extend(offs + 4 + len * 4);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.pack4(buf.arr, offs, (int)item.IntValue);
}
else if (item.isRealValue())
{
Bytes.pack4(buf.arr, offs, (int)item.RealValue);
}
else if (item.isStringValue())
{
try
{
#if CF
Bytes.pack4(buf.arr, offs, (int)ClassDescriptor.parseEnum(elemType, item.StringValue));
#else
Bytes.pack4(buf.arr, offs, (int)Enum.Parse(elemType, item.StringValue));
#endif
}
catch (ArgumentException)
{
throwException("Invalid enum value");
}
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 4;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfInt:
case ClassDescriptor.FieldType.tpArrayOfUInt:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 4);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.pack4(buf.arr, offs, (int)item.IntValue);
}
else if (item.isRealValue())
{
Bytes.pack4(buf.arr, offs, (int)item.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 4;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfLong:
case ClassDescriptor.FieldType.tpArrayOfULong:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 8);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.pack8(buf.arr, offs, item.IntValue);
}
else if (item.isRealValue())
{
Bytes.pack8(buf.arr, offs, (long)item.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 8;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfFloat:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 4);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.packF4(buf.arr, offs, (float)item.IntValue);
}
else if (item.isRealValue())
{
Bytes.packF4(buf.arr, offs, (float)item.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 4;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfDouble:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 8);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
Bytes.packF8(buf.arr, offs, (double)item.IntValue);
}
else if (item.isRealValue())
{
Bytes.packF8(buf.arr, offs, item.RealValue);
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 8;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfDate:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 8);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isNullValue())
{
Bytes.pack8(buf.arr, offs, -1);
}
else if (item.isStringValue())
{
try
{
Bytes.packDate(buf.arr, offs, DateTime.Parse(item.StringValue));
}
catch (FormatException)
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
item = item.NextSibling;
offs += 8;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfDecimal:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 16);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isStringValue())
{
try
{
Bytes.packDecimal(buf.arr, offs, Decimal.Parse(item.StringValue));
}
catch (FormatException)
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
item = item.NextSibling;
offs += 16;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfGuid:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 16);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isStringValue())
{
try
{
Bytes.packGuid(buf.arr, offs, new Guid(item.StringValue));
}
catch (FormatException)
{
throwException("Conversion for field " + fieldName + " is not possible");
}
}
item = item.NextSibling;
offs += 16;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfString:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
System.String val = null;
if (item.isIntValue())
{
val = System.Convert.ToString(item.IntValue);
}
else if (item.isRealValue())
{
val = item.RealValue.ToString();
}
else if (item.isStringValue())
{
val = item.StringValue;
}
else if (item.isNullValue())
{
val = null;
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
offs = buf.packString(offs, val);
item = item.NextSibling;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfObject:
case ClassDescriptor.FieldType.tpArrayOfOid:
case ClassDescriptor.FieldType.tpLink:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len * 4);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
XMLElement href = item.getSibling("ref");
if (href == null)
{
throwException("<ref> element expected");
}
int oid = mapId(getIntAttribute(href, "id"));
Bytes.pack4(buf.arr, offs, oid);
item = item.NextSibling;
offs += 4;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfValue:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
Bytes.pack4(buf.arr, offs, len);
offs += 4;
ClassDescriptor elemDesc = fd.valueDesc;
while (--len >= 0)
{
offs = packObject(item, elemDesc, offs, buf);
item = item.NextSibling;
}
}
continue;
case ClassDescriptor.FieldType.tpArrayOfRaw:
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
offs = importBinary(item, offs, buf, fieldName);
item = item.NextSibling;
}
}
continue;
}
}
return offs;
}
internal int importBinary(XMLElement elem, int offs, ByteBuffer buf, String fieldName)
{
if (elem == null || elem.isNullValue())
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, -1);
offs += 4;
}
else if (elem.isStringValue())
{
String hexStr = elem.StringValue;
int len = hexStr.Length;
if (hexStr.StartsWith("#"))
{
buf.extend(offs + 4 + len / 2 - 1);
Bytes.pack4(buf.arr, offs, -2 - getHexValue(hexStr[1]));
offs += 4;
for (int j = 2; j < len; j += 2)
{
buf.arr[offs++] = (byte)((getHexValue(hexStr[j]) << 4) | getHexValue(hexStr[j + 1]));
}
}
else
{
buf.extend(offs + 4 + len / 2);
Bytes.pack4(buf.arr, offs, len / 2);
offs += 4;
for (int j = 0; j < len; j += 2)
{
buf.arr[offs++] = (byte)((getHexValue(hexStr[j]) << 4) | getHexValue(hexStr[j + 1]));
}
}
}
else
{
XMLElement refElem = elem.getSibling("ref");
if (refElem != null)
{
buf.extend(offs + 4);
Bytes.pack4(buf.arr, offs, mapId(getIntAttribute(refElem, "id")));
offs += 4;
}
else
{
XMLElement item = elem.getSibling("element");
int len = (item == null) ? 0 : item.Counter;
buf.extend(offs + 4 + len);
Bytes.pack4(buf.arr, offs, len);
offs += 4;
while (--len >= 0)
{
if (item.isIntValue())
{
buf.arr[offs] = (byte)item.IntValue;
}
else if (item.isRealValue())
{
buf.arr[offs] = (byte)item.RealValue;
}
else
{
throwException("Conversion for field " + fieldName + " is not possible");
}
item = item.NextSibling;
offs += 1;
}
}
}
return offs;
}
internal void createObject(XMLElement elem)
{
ClassDescriptor desc = db.getClassDescriptor(findClassByName(elem.Name));
int oid = mapId(getIntAttribute(elem, "id"));
ByteBuffer buf = new ByteBuffer();
int offs = ObjectHeader.Sizeof;
buf.extend(offs);
offs = packObject(elem, desc, offs, buf);
ObjectHeader.setSize(buf.arr, 0, offs);
ObjectHeader.setType(buf.arr, 0, desc.Oid);
long pos = db.allocate(offs, 0);
db.setPos(oid, pos | DatabaseImpl.dbModifiedFlag);
db.pool.put(pos, buf.arr, offs);
}
Key createCompoundKey(ClassDescriptor.FieldType[] types, String[] values)
{
ByteBuffer buf = new ByteBuffer();
int dst = 0;
for (int i = 0; i < types.Length; i++)
{
String val = values[i];
switch (types[i])
{
case ClassDescriptor.FieldType.tpBoolean:
dst = buf.packBool(dst, Int32.Parse(val) != 0);
break;
case ClassDescriptor.FieldType.tpByte:
case ClassDescriptor.FieldType.tpSByte:
dst = buf.packI1(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpChar:
case ClassDescriptor.FieldType.tpShort:
case ClassDescriptor.FieldType.tpUShort:
dst = buf.packI2(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpInt:
dst = buf.packI4(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpEnum:
case ClassDescriptor.FieldType.tpUInt:
dst = buf.packI4(dst, (int)UInt32.Parse(val));
break;
case ClassDescriptor.FieldType.tpObject:
case ClassDescriptor.FieldType.tpOid:
dst = buf.packI4(dst, mapId((int)UInt32.Parse(val)));
break;
case ClassDescriptor.FieldType.tpLong:
dst = buf.packI8(dst, Int64.Parse(val));
break;
case ClassDescriptor.FieldType.tpULong:
dst = buf.packI8(dst, (long)UInt64.Parse(val));
break;
case ClassDescriptor.FieldType.tpDate:
dst = buf.packDate(dst, DateTime.Parse(val));
break;
case ClassDescriptor.FieldType.tpFloat:
dst = buf.packF4(dst, Single.Parse(val));
break;
case ClassDescriptor.FieldType.tpDouble:
dst = buf.packF8(dst, Double.Parse(val));
break;
case ClassDescriptor.FieldType.tpDecimal:
dst = buf.packDecimal(dst, Decimal.Parse(val));
break;
case ClassDescriptor.FieldType.tpGuid:
dst = buf.packGuid(dst, new Guid(val));
break;
case ClassDescriptor.FieldType.tpString:
dst = buf.packString(dst, val);
break;
case ClassDescriptor.FieldType.tpArrayOfByte:
buf.extend(dst + 4 + (val.Length >> 1));
Bytes.pack4(buf.arr, dst, val.Length >> 1);
dst += 4;
for (int j = 0, n = val.Length; j < n; j += 2)
{
buf.arr[dst++] = (byte)((getHexValue(val[j]) << 4) | getHexValue(val[j + 1]));
}
break;
default:
throwException("Bad key type");
break;
}
}
return new Key(buf.toArray());
}
