/// <summary>
/// Called by updateFlatList, recursive function to add all supertypes of entity
/// </summary>
/// <param name="sEntity">entity to start from</param>
/// <param name="hierarchyStack">hierarcy stack to contain supertypes of base entity</param>
private void recurseSuper(SEntity sEntity, Stack <SEntity> hierarchyStack)
{
foreach (SEntity aEntity in sEntity.SubTypesOf)
{
hierarchyStack.Push(aEntity);
if (aEntity.SubTypesOf.Count > 0)
{
recurseSuper(aEntity, hierarchyStack);
}
}
}
private SEntity getEntity(string SimpleID)
{
SEntity aEntity;
if (SchemaSet.EntityList.ContainsKey(SimpleID))
{
aEntity = SchemaSet.EntityList[SimpleID];
}
else
{
aEntity = new SEntity(SimpleID);
SchemaSet.EntityList.Add(SimpleID, aEntity);
}
return(aEntity);
}
private void ProcessAttribute(
SEntity oneEntity,
string AttributeName)
{
SAttribute satt = new SAttribute(AttributeName);
SToken oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType != STokenType.COLON)
{
throw new Exception("Error in attribute : " + SLexer.CurrentRow + " : " + SLexer.CurrentColumn);
}
satt.Type = ProcessParameter();
oneEntity.ParameterList.Add(satt);
}
private void ProcessInverse(SEntity sEntity, SToken sToken)
{
SAttributeInverse sAttributeInverse = new SAttributeInverse(sToken.StringValue);
SToken oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType != STokenType.COLON)
{
throw new Exception("Error in inverse attribute : " + SLexer.CurrentRow + " : " + SLexer.CurrentColumn);
}
sAttributeInverse.Type = ProcessInverseParameter();
oneToken = SLexer.Tokenizer(_dataStream);
// referencing entity's attribute name
oneToken = SLexer.Tokenizer(_dataStream);
sAttributeInverse.InversingAttributeName = oneToken.StringValue;
sEntity.InverseList.Add(sAttributeInverse);
// semi colon
oneToken = SLexer.Tokenizer(_dataStream);
}
private void ProcessSupertypeOf(SEntity aEntity)
{
//319 supertype_constraint = abstract_entity_declaration |
// abstract_supertype_declaration | supertype_rule .
//164 abstract_entity_declaration = ABSTRACT .
//166 abstract_supertype_declaration = ABSTRACT SUPERTYPE [ subtype_constraint ] .
//313 subtype_constraint = OF ’(’ supertype_expression ’)’ .
//320 supertype_expression = supertype_factor { ANDOR supertype_factor } .
//321 supertype_factor = supertype_term { AND supertype_term } .
//323 supertype_term = entity_ref | one_of | ’(’ supertype_expression ’)’ .
//263 one_of = ONEOF ’(’ supertype_expression { ’,’ supertype_expression } ’)’ .
//322 supertype_rule = SUPERTYPE subtype_constraint .
int parenthesisCounter = 0;
SToken oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType != STokenType.LEFTPARENTHESIS)
{
throw new Exception("Syntax Error : Supertype Definition (");
}
else
{
parenthesisCounter += 1;
}
while (parenthesisCounter != 0)
{
oneToken = SLexer.Tokenizer(_dataStream);
switch (oneToken.TokenType)
{
case STokenType.LEFTPARENTHESIS:
parenthesisCounter += 1;
break;
case STokenType.RIGHTPARENTHESIS:
parenthesisCounter -= 1;
break;
case STokenType.ONEOF:
case STokenType.COMMA:
break;
case STokenType.SIMPLEID:
aEntity.SuperTypesOf.Add(getEntity(oneToken.StringValue));
break;
default:
string logout = String.Format("Undefined supertype definition at row : {0}, column : {1}",
SLexer.CurrentRow,
SLexer.CurrentColumn);
if (_logFile != null)
{
_logFile.WriteLine(logout);
}
break;
}
}
//if (oneToken.TokenType != SchemaTokenType.ONEOF)
// throw new Exception("Syntax Error : Supertype Definition oneof");
//oneToken = SchemaLexer.Tokenizer(DataStream);
//if (oneToken.TokenType != SchemaTokenType.LEFTPARENTHESIS)
// throw new Exception("Syntax Error : Supertype Definition (2");
//oneToken = SchemaLexer.Tokenizer(DataStream);
//if (oneToken.TokenType != SchemaTokenType.SIMPLEID)
// throw new Exception("Syntax Error : Supertype Definition simpleId");
//aEntity.SuperTypesOf.Add(getEntity(oneToken.StringValue));
//oneToken = SchemaLexer.Tokenizer(DataStream);
//while (oneToken.TokenType != SchemaTokenType.RIGHTPARENTHESIS)
//{
// if (oneToken.TokenType != SchemaTokenType.COMMA)
// throw new Exception("Syntax Error : Supertype Definition ,");
// oneToken = SchemaLexer.Tokenizer(DataStream);
// if (oneToken.TokenType != SchemaTokenType.SIMPLEID)
// throw new Exception("Syntax Error : Supertype Definition simpleid2");
// aEntity.SuperTypesOf.Add(getEntity(oneToken.StringValue));
// oneToken = SchemaLexer.Tokenizer(DataStream);
//}
//// for second parenthesis
//oneToken = SchemaLexer.Tokenizer(DataStream);
}
/// <summary>
/// not a complete derive implementation
/// intended to identify omitted value in instance population
/// </summary>
/// <param name="oneEntity"></param>
/// <param name="AttributeName"></param>
private void ProcessDerivedAttribute(
SEntity oneEntity,
SToken mToken)
{
SAttributeDerived drvAtt;
//SParam sParam;
if (mToken.TokenType == STokenType.SELF)
{
//drvAtt = new SAttributeDerived(AttribType.DERIVED);
// defines self drived attribute
// reverse_solidus
mToken = SLexer.Tokenizer(_dataStream);
// super entity
mToken = SLexer.Tokenizer(_dataStream);
if (mToken.TokenType != STokenType.SIMPLEID)
{
throw new InvalidDataException(string.Format(
"schema is not in syntax at {0} : {1}",
oneEntity.Name, mToken.TokenType.ToString()));
}
string orgSuperTypeName = mToken.StringValue;
// period
mToken = SLexer.Tokenizer(_dataStream);
// attribute name
mToken = SLexer.Tokenizer(_dataStream);
string sAttName = mToken.StringValue;
drvAtt = new SAttributeDerived(sAttName);
drvAtt.OriginatingSuperType = orgSuperTypeName;
drvAtt.Name = sAttName;
drvAtt.isInherited = true;
// colon
mToken = SLexer.Tokenizer(_dataStream);
drvAtt.Type = ProcessParameter();
oneEntity.DerivedList.Add(drvAtt);
}
else //if (mToken.TokenType == SchemaTokenType.SIMPLEID)
{
string sAttName = mToken.StringValue;
drvAtt = new SAttributeDerived(sAttName);
drvAtt.Name = sAttName;
drvAtt.isInherited = false;
mToken = SLexer.Tokenizer(_dataStream);
drvAtt.Type = ProcessParameter();
oneEntity.DerivedList.Add(drvAtt);
}
//mToken = SLexer.Tokenizer(DataStream);
//oneEntity.AttributeList.Add(oneAttribute);
while (mToken.TokenType != STokenType.SEMICOLON)
{
mToken = SLexer.Tokenizer(_dataStream);
}
}
private void ProcessEntity()
{
SToken oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType != STokenType.SIMPLEID)
{
throw new Exception("Syntax error in Entity Definition");
}
SEntity aEntity = getEntity(oneToken.StringValue);
oneToken = SLexer.Tokenizer(_dataStream);
if (oneToken.TokenType == STokenType.SEMICOLON)
{ //get new token for next step
oneToken = SLexer.Tokenizer(_dataStream);
}
if (oneToken.TokenType == STokenType.ABSTRACT ||
oneToken.TokenType == STokenType.SUPERTYPE ||
oneToken.TokenType == STokenType.SUBTYPE)
{
oneToken = ProcessSuperSub(oneToken, aEntity);
}
if (oneToken.TokenType == STokenType.SIMPLEID)
{
while (oneToken.TokenType == STokenType.SIMPLEID)
{
ProcessAttribute(aEntity, oneToken.StringValue);
oneToken = SLexer.Tokenizer(_dataStream);
}
}
if (oneToken.TokenType == STokenType.DERIVE)
{
// oneToken = DummySubLoop();
// next one after derived
oneToken = SLexer.Tokenizer(_dataStream);
while (oneToken.TokenType == STokenType.SIMPLEID || oneToken.TokenType == STokenType.SELF)
{
ProcessDerivedAttribute(aEntity, oneToken);
oneToken = SLexer.Tokenizer(_dataStream);
}
}
if (oneToken.TokenType == STokenType.INVERSE)
{
//oneToken = DummySubLoop();
oneToken = SLexer.Tokenizer(_dataStream);
while (oneToken.TokenType == STokenType.SIMPLEID)
{
ProcessInverse(aEntity, oneToken);
oneToken = SLexer.Tokenizer(_dataStream);
}
}
if (oneToken.TokenType == STokenType.UNIQUE)
{
oneToken = DummySubLoop();
}
if (oneToken.TokenType == STokenType.UNDEFINED)
{
oneToken = DummySubLoop();
}
if (oneToken.TokenType == STokenType.WHERE)
{
oneToken = DummySubLoop();
}
if (oneToken.TokenType == STokenType.END_ENTITY)
{
oneToken = SLexer.Tokenizer(_dataStream); // semi colon
}
}