01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.quercus.expr;
31:
32: import com.caucho.quercus.Location;
33: import com.caucho.quercus.env.Env;
34: import com.caucho.quercus.env.NullValue;
35: import com.caucho.quercus.env.Value;
36:
37: /**
38: * Represents a PHP import statement
39: */
40: public class ImportExpr extends Expr {
41: protected final String _name;
42: protected final boolean _isWildcard;
43:
44: public ImportExpr(Location location, String name, boolean isWildcard) {
45: super (location);
46:
47: _name = name;
48: _isWildcard = isWildcard;
49: }
50:
51: /**
52: * Evaluates the expression.
53: *
54: * @param env the calling environment.
55: *
56: * @return the expression value.
57: */
58: public Value eval(Env env) {
59: if (_isWildcard)
60: env.addWildcardImport(_name);
61: else
62: env.putQualifiedImport(_name);
63:
64: return NullValue.NULL;
65: }
66:
67: public String toString() {
68: if (_isWildcard)
69: return "import " + _name + ".*;";
70: else
71: return "import " + _name + ";";
72: }
73: }
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