Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MacroDefinition |
|
| 2.0;2 |
1 | /* | |
2 | * Copyright (C) 1998-2001 Semiotek Inc. All Rights Reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted under the terms of either of the following | |
6 | * Open Source licenses: | |
7 | * | |
8 | * The GNU General Public License, version 2, or any later version, as | |
9 | * published by the Free Software Foundation | |
10 | * (http://www.fsf.org/copyleft/gpl.html); | |
11 | * | |
12 | * or | |
13 | * | |
14 | * The Semiotek Public License (http://webmacro.org/LICENSE.) | |
15 | * | |
16 | * This software is provided "as is", with NO WARRANTY, not even the | |
17 | * implied warranties of fitness to purpose, or merchantability. You | |
18 | * assume all risks and liabilities associated with its use. | |
19 | * | |
20 | * See www.webmacro.org for more information on the WebMacro project. | |
21 | */ | |
22 | ||
23 | ||
24 | package org.webmacro.engine; | |
25 | ||
26 | ||
27 | /** | |
28 | * MacroDefinition.java | |
29 | * | |
30 | * Represents a (C-style) macro, which gets expanded during the | |
31 | * building of a template. Not to be confused with Macro as used | |
32 | * by WebMacro, which is something else. | |
33 | * @author Brian Goetz | |
34 | */ | |
35 | ||
36 | public class MacroDefinition | |
37 | { | |
38 | ||
39 | private String name; | |
40 | private String[] argNames; | |
41 | Object macroBody; | |
42 | ||
43 | public MacroDefinition (String name, | |
44 | String[] argNames, | |
45 | Object macroBody) | |
46 | 0 | { |
47 | 0 | this.name = name; |
48 | 0 | this.argNames = argNames; |
49 | 0 | this.macroBody = macroBody; |
50 | 0 | } |
51 | ||
52 | public String[] getArgNames () | |
53 | { | |
54 | 0 | return argNames; |
55 | } | |
56 | ||
57 | public String getName () | |
58 | { | |
59 | 0 | return name; |
60 | } | |
61 | ||
62 | public Object getMacroBody () | |
63 | { | |
64 | 0 | return macroBody; |
65 | } | |
66 | ||
67 | public Object expand (Object[] args, BuildContext bc) | |
68 | throws BuildException | |
69 | { | |
70 | 0 | if (args.length != argNames.length) |
71 | 0 | throw new BuildException("#" + name + ": invoked with " |
72 | + args.length + " arguments, expecting " | |
73 | + argNames.length + " arguments"); | |
74 | 0 | if (macroBody instanceof Builder) |
75 | { | |
76 | 0 | if (bc instanceof MacroBuildContext) |
77 | 0 | bc = ((MacroBuildContext) bc).getRootContext(); |
78 | 0 | MacroBuildContext mbc = new MacroBuildContext(this, args, bc); |
79 | 0 | return ((Builder) macroBody).build(mbc); |
80 | } | |
81 | else | |
82 | 0 | return macroBody; |
83 | } | |
84 | } | |
85 |