public static Whitespace Create()
{
var ws = new Whitespace();
ws.Value = " ";
return ws;
}
public static Whitespace Create()
{
var ws = new Whitespace();
ws.Value = " ";
return(ws);
}
public static WhereClause Create(SearchCondition sc)
{
var wh = new WhereClause();
wh.Stack.AddLast(Keyword.Create("WHERE"));
wh.Stack.AddLast(Whitespace.Create());
wh.Stack.AddLast(sc);
return(wh);
}
public void Append(SelectList last)
{
SelectList ll, sl;
ll = sl = this;
while ((ll = sl.FindDescendant <SelectList>()) != null)
{
sl = ll;
}
sl.Stack.AddLast(Comma.Create());
sl.Stack.AddLast(CommentOrWhitespace.Create(Whitespace.Create()));
sl.Stack.AddLast(last);
}
public static SearchCondition Create(SearchConditionBrackets br, LogicalOperator op, SearchCondition sc)
{
var nsc = new SearchCondition();
// TODO: add whitespaces here
nsc.Stack.AddLast(br);
nsc.Stack.AddLast(Whitespace.Create());
nsc.Stack.AddLast(op);
nsc.Stack.AddLast(Whitespace.Create());
nsc.Stack.AddLast(sc);
return(nsc);
}
public WhereClause GenerateWhereClauseSpecificToTable(TableReference table)
{
SearchCondition sc = null;
// Loop over all conditions (JOIN ONs and WHERE conditions)
// Result will be a combinations of the table specific conditions terms
// of all these
// Chain up search conditions with AND operator
foreach (var condition in conditions)
{
foreach (var ex in EnumerateCnfTermsSpecificToTable(condition, table))
{
var nsc = ex.GetParsingTree();
if (sc != null)
{
nsc.Stack.AddLast(Whitespace.Create());
nsc.Stack.AddLast(LogicalOperator.CreateAnd());
nsc.Stack.AddLast(Whitespace.Create());
nsc.Stack.AddLast(sc);
}
sc = nsc;
}
}
// Prefix with the WHERE keyword
if (sc != null)
{
var where = new WhereClause();
where.Stack.AddLast(Keyword.Create("WHERE"));
where.Stack.AddLast(Whitespace.Create());
where.Stack.AddLast(sc);
return(where);
}
else
{
return(null);
}
}
