public static object ParseImpl(TextReader reader, GRGEN_LIBGR.AttributeType attrType, GRGEN_LIBGR.IGraph graph)
{
char lookahead = (char)reader.Peek();
if(lookahead == 'o')
{
reader.Read(); // eat 'o'
return new Own();
}
else if(lookahead == 'p')
{
reader.Read(); // eat 'p'
StringBuilder sb = new StringBuilder();
while(reader.Peek() != ',' && reader.Peek() != ')') // attributes are separated by , a node/edge terminated by ) in .grs
sb.Append((char)reader.Read()); // eat non ',', ')'
OwnPown op = new OwnPown();
op.ehe = sb.ToString();
return op;
}
else if(lookahead == 'h')
{
reader.Read(); // eat 'h'
StringBuilder sb = new StringBuilder();
while(reader.Peek() != ';')
sb.Append((char)reader.Read()); // eat non ';'
string ehe = sb.ToString();
sb.Length = 0;
reader.Read(); // eat ';'
while(reader.Peek() != ',' && reader.Peek() != ')') // attributes are separated by , a node/edge terminated by ) in .grs
sb.Append((char)reader.Read()); // eat non ',',')'
OwnPownHome oph = new OwnPownHome();
oph.ehe = ehe;
oph.aha = sb.ToString();
return oph;
}
else
{
if(reader.Peek() == 'n')
{
reader.Read();
if(reader.Peek() == 'u')
{
reader.Read();
if(reader.Peek() == 'l')
{
reader.Read();
if(reader.Peek() == 'l')
{
reader.Read();
return null;
}
}
}
}
throw new Exception("parsing failure");
}
}
public static string SerializeImpl(object attribute, GRGEN_LIBGR.AttributeType attrType, GRGEN_LIBGR.IGraph graph)
{
if (attribute == null)
{
// attrType.Kind is always ObjectAttr
if (attrType.Type == typeof(OwnPownHome))
{
return("null");
}
else if (attrType.Type == typeof(OwnPown))
{
return("null");
}
else if (attrType.Type == typeof(Own))
{
return("null");
}
return("null");
}
// important: if cascade from most specific to least specific, from subtypes to supertypes
if (attribute.GetType() == typeof(OwnPownHome))
{
OwnPownHome oph = (OwnPownHome)attribute;
StringBuilder sb = new StringBuilder();
sb.Append("h");
sb.Append(oph.ehe);
sb.Append(";");
sb.Append(oph.aha);
return(sb.ToString());
}
else if (attribute.GetType() == typeof(OwnPown))
{
OwnPown op = (OwnPown)attribute;
StringBuilder sb = new StringBuilder();
sb.Append("p");
sb.Append(op.ehe);
return(sb.ToString());
}
else if (attribute.GetType() == typeof(Own))
{
return("o");
}
else
{
Console.WriteLine("Warning: Exporting attribute of object type to null");
return("null");
}
}
public static string EmitImpl(object attribute, GRGEN_LIBGR.AttributeType attrType, GRGEN_LIBGR.IGraph graph)
{
if (attribute == null)
{
return("null");
}
// important: if cascade from most specific to least specific, from subtypes to supertypes
if (attribute.GetType() == typeof(OwnPownHome))
{
OwnPownHome oph = (OwnPownHome)attribute;
StringBuilder sb = new StringBuilder();
sb.Append("OwnPownHome { ehe: ");
sb.Append(oph.ehe);
sb.Append(" aha: ");
sb.Append(oph.aha);
sb.Append(" }");
return(sb.ToString());
}
else if (attribute.GetType() == typeof(OwnPown))
{
OwnPown op = (OwnPown)attribute;
StringBuilder sb = new StringBuilder();
sb.Append("OwnPown { ehe: ");
sb.Append(op.ehe);
sb.Append(" }");
return(sb.ToString());
}
else if (attribute.GetType() == typeof(Own))
{
return("Own");
}
else
{
return(attribute.ToString());
}
}
public static object ParseImpl(TextReader reader, GRGEN_LIBGR.AttributeType attrType, GRGEN_LIBGR.IGraph graph)
{
char lookahead = (char)reader.Peek();
if (lookahead == 'o')
{
reader.Read(); // eat 'o'
return(new Own());
}
else if (lookahead == 'p')
{
reader.Read(); // eat 'p'
StringBuilder sb = new StringBuilder();
while (reader.Peek() != ',' && reader.Peek() != ')') // attributes are separated by , a node/edge terminated by ) in .grs
{
sb.Append((char)reader.Read()); // eat non ',', ')'
}
OwnPown op = new OwnPown();
op.ehe = sb.ToString();
return(op);
}
else if (lookahead == 'h')
{
reader.Read(); // eat 'h'
StringBuilder sb = new StringBuilder();
while (reader.Peek() != ';')
{
sb.Append((char)reader.Read()); // eat non ';'
}
string ehe = sb.ToString();
sb.Length = 0;
reader.Read(); // eat ';'
while (reader.Peek() != ',' && reader.Peek() != ')') // attributes are separated by , a node/edge terminated by ) in .grs
{
sb.Append((char)reader.Read()); // eat non ',',')'
}
OwnPownHome oph = new OwnPownHome();
oph.ehe = ehe;
oph.aha = sb.ToString();
return(oph);
}
else
{
if (reader.Peek() == 'n')
{
reader.Read();
if (reader.Peek() == 'u')
{
reader.Read();
if (reader.Peek() == 'l')
{
reader.Read();
if (reader.Peek() == 'l')
{
reader.Read();
return(null);
}
}
}
}
throw new Exception("parsing failure");
}
}
public static bool IsLower(OwnPown this_, OwnPown that)
{
return(this_.ehe.Length < that.ehe.Length);
}
public static bool IsEqual(OwnPown this_, OwnPown that)
{
return(this_.ehe == that.ehe);
}
public static OwnPown Copy(OwnPown that)
{
return(new OwnPown(that));
}
public OwnPown(OwnPown that)
{
ehe = that.ehe;
}
public static bool IsLower(OwnPown this_, OwnPown that)
{
return this_.ehe.Length < that.ehe.Length;
}
public static bool IsEqual(OwnPown this_, OwnPown that)
{
return this_.ehe == that.ehe;
}
public static OwnPown Copy(OwnPown that)
{
return new OwnPown(that);
}
public OwnPown(OwnPown that)
{
ehe = that.ehe;
}
