internal static Dictionary <string, object> GetSearchExpreesionValues(ISearchExpression se)
{
Dictionary <string, object> ret = new Dictionary <string, object>();
Feng.Search.LogicalExpression le = se as Feng.Search.LogicalExpression;
if (le != null)
{
Dictionary <string, object> r = GetSearchExpreesionValues(le.LeftHandSide);
foreach (KeyValuePair <string, object> kvp in r)
{
ret[kvp.Key] = kvp.Value;
}
r = GetSearchExpreesionValues(le.RightHandSide);
foreach (KeyValuePair <string, object> kvp in r)
{
ret[kvp.Key] = kvp.Value;
}
}
else
{
Feng.Search.SimpleExpression ce = se as Feng.Search.SimpleExpression;
ret[ce.FullPropertyName + ce.Operator.ToString()] = ce.Values;
}
return(ret);
}
private ISearchExpression RemoveParentSelectAsExpression(ISearchExpression exp)
{
if (m_parentSm.SelectAsColumns == null)
/* || m_innerSearchManager.Count == 0) */ // 不知道为什么有这句话
{
return(exp);
}
Feng.Search.LogicalExpression le = exp as Feng.Search.LogicalExpression;
if (le != null)
{
ISearchExpression sel = RemoveParentSelectAsExpression(le.LeftHandSide);
ISearchExpression ser = RemoveParentSelectAsExpression(le.RightHandSide);
return(new Feng.Search.LogicalExpression(sel, ser, le.LogicOperator));
}
else
{
Feng.Search.SimpleExpression se = exp as Feng.Search.SimpleExpression;
if (se != null)
{
if (m_parentSm.SelectAsColumns.ContainsKey(se.FullPropertyName))
{
return(SearchExpression.True());
}
else
{
return(se);
}
}
}
return(null);
}
internal static ISearchExpression ReplaceSearchExpreesionValues(ISearchExpression se, Dictionary <string, object> dict)
{
Feng.Search.LogicalExpression le = se as Feng.Search.LogicalExpression;
if (le != null)
{
ISearchExpression l = le.LeftHandSide;
l = ReplaceSearchExpreesionValues(l, dict);
ISearchExpression r = le.RightHandSide;
r = ReplaceSearchExpreesionValues(r, dict);
if (l == null)
{
return(r);
}
else if (r == null)
{
return(l);
}
else
{
return(new Feng.Search.LogicalExpression(l, r, le.LogicOperator));
}
}
else
{
Feng.Search.SimpleExpression ce = se as Feng.Search.SimpleExpression;
string s = ce.Values.ToString();
if (s[0] == '%' && s[s.Length - 1] == '%')
{
string s1 = s.Substring(1, s.Length - 2);
if (dict.ContainsKey(s1))
{
ce.Values = dict[s1];
}
else
{
ce = null;
}
}
return(ce);
}
}
