private MemberAnnotation idmemb()
{
Expect(
Token.AT,
Token.ID,
Token.ROUNDOPEN,
Token.NAME,
Token.EQUALS,
Token.QUOTEDLITERAL
);
string nameAttribute = lexan.TokenValue;
Expect(Token.ROUNDCLOSE);
string fieldType = str();
Expect(Token.WHITESPACE);
string fieldName = str();
Expect(Token.SEMICOLON);
var memberAnnotation = new MemberAnnotation(
"Id",
fieldType,
fieldName
);
memberAnnotation.Attributes.Add("name", nameAttribute);
return(memberAnnotation);
}
private MemberAnnotation colmemb()
{
Expect(
Token.COLUMN,
Token.ROUNDOPEN,
Token.NAME,
Token.EQUALS,
Token.QUOTEDLITERAL
);
string nameAttribute = lexan.TokenValue;
string lengthAttribute = null;
if (lexan.Lookahead != Token.ROUNDCLOSE)
{
Expect(
Token.COMMA,
Token.WHITESPACE,
Token.LENGTH,
Token.EQUALS,
Token.QUOTEDLITERAL
);
int numb = 0;
if (!int.TryParse(lexan.TokenValue, out numb))
{
throw new Exception("Not a number.");
}
if (numb <= 0)
{
throw new Exception("Not a positive number.");
}
lengthAttribute = numb.ToString();
}
Expect(Token.ROUNDCLOSE);
string fieldType = str();
Expect(Token.WHITESPACE);
string fieldName = str();
Expect(Token.SEMICOLON);
var memberAnnotation = new MemberAnnotation(
"Column",
fieldType,
fieldName
);
memberAnnotation.Attributes.Add("name", nameAttribute);
if (lengthAttribute != null)
{
memberAnnotation.Attributes.Add("length", lengthAttribute);
}
return(memberAnnotation);
}
private string GenerateInterfaceCode(MemberAnnotation membAnn)
{
if (membAnn.AnnotationName == "One2Many" ||
membAnn.AnnotationName == "Many2One")
{
return($"public {membAnn.FieldType} {membAnn.FieldName};");
}
return($"public {langToCSharp[membAnn.FieldType]} {membAnn.FieldName};");
}
private MemberAnnotation relmemb()
{
Expect(Token.RELATIONSHIP);
string relType = lexan.TokenValue;
Expect(Token.ROUNDOPEN, Token.NAME, Token.EQUALS, Token.QUOTEDLITERAL);
string nameAttribute = lexan.TokenValue;
Expect(Token.COMMA, Token.WHITESPACE, Token.TARGET, Token.EQUALS, Token.QUOTEDLITERAL);
string targetAttribute = lexan.TokenValue;
string mappedByAttribute = null;
if (relType == "One2Many")
{
Expect(
Token.COMMA,
Token.WHITESPACE,
Token.MAPPEDBY,
Token.EQUALS,
Token.QUOTEDLITERAL
);
mappedByAttribute = lexan.TokenValue;
}
Expect(Token.ROUNDCLOSE);
string fieldType = str();
Expect(Token.WHITESPACE);
string fieldName = str();
Expect(Token.SEMICOLON);
var memberAnnotation = new MemberAnnotation(
relType,
fieldType,
fieldName
);
memberAnnotation.Attributes.Add("name", nameAttribute);
memberAnnotation.Attributes.Add("target", targetAttribute);
if (mappedByAttribute != null)
{
memberAnnotation.Attributes.Add("mappedBy", mappedByAttribute);
}
return(memberAnnotation);
}
private string GenerateSQLCode(MemberAnnotation membAnn)
{
var strBuilder = new StringBuilder();
switch (membAnn.AnnotationName)
{
case "Id":
strBuilder.Append(
$"{membAnn.Attributes["name"]} {GetSQLType(membAnn.FieldType)} " +
"NOT NULL PRIMARY KEY"
);
break;
case "Column":
strBuilder.Append($"{membAnn.Attributes["name"]} {GetSQLType(membAnn.FieldType)}");
if (membAnn.Attributes.ContainsKey("length") && membAnn.FieldType == "String")
{
strBuilder.Append($"({membAnn.Attributes["length"]})");
}
break;
case "Many2One":
string name = membAnn.Attributes["name"];
strBuilder.Append($"{name} ");
var tabAnn = tableAnnotations.Find(ann =>
ann.InterfaceName == membAnn.Attributes["target"]
);
var referencedMemb = tabAnn.MemberAnnotations.Find(mem =>
mem.AnnotationName == "Id"
);
string sqlType = langToSQL[referencedMemb.FieldType];
strBuilder.Append($"{sqlType}, FOREIGN KEY ({name}) REFERENCES " +
$"{tabAnn.Attributes["name"]}" +
$"({referencedMemb.Attributes["name"]})");
break;
}
return(strBuilder.ToString());
}
