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/*
* Copyright (C) 2010 Jens Georg <mail@jensge.org>.
*
* Author: Jens Georg <mail@jensge.org>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
using GUPnP;
internal class Rygel.LMS.SqlOperator : GLib.Object {
protected string name;
protected string arg;
protected string collate;
public SqlOperator (string name,
string arg,
string collate = "") {
this.name = name;
this.arg = arg;
this.collate = collate;
}
public SqlOperator.from_search_criteria_op (SearchCriteriaOp op,
string arg,
string collate) {
string sql = null;
switch (op) {
case SearchCriteriaOp.EQ:
sql = "=";
break;
case SearchCriteriaOp.NEQ:
sql = "!=";
break;
case SearchCriteriaOp.LESS:
sql = "<";
break;
case SearchCriteriaOp.LEQ:
sql = "<=";
break;
case SearchCriteriaOp.GREATER:
sql = ">";
break;
case SearchCriteriaOp.GEQ:
sql = ">=";
break;
default:
assert_not_reached ();
}
this (sql, arg, collate);
}
public virtual string to_string () {
return "(%s %s ? %s)".printf (arg, name, collate);
}
}
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