1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2014, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.command;
import java.util.List;
import net.sourceforge.plantuml.PSystemError;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.core.Diagram;
public abstract class SingleLineCommand2<S extends Diagram> implements Command<S> {
private final RegexConcat pattern;
public SingleLineCommand2(RegexConcat pattern) {
if (pattern == null) {
throw new IllegalArgumentException();
}
if (pattern.getPattern().startsWith("^") == false || pattern.getPattern().endsWith("$") == false) {
throw new IllegalArgumentException("Bad pattern " + pattern.getPattern());
}
this.pattern = pattern;
}
public String[] getDescription() {
return new String[] { pattern.getPattern() };
}
final public CommandControl isValid(List<String> lines) {
if (lines.size() != 1) {
return CommandControl.NOT_OK;
}
if (isCommandForbidden()) {
return CommandControl.NOT_OK;
}
final String line = lines.get(0).trim();
final boolean result = pattern.match(line);
if (result) {
actionIfCommandValid();
}
return result ? CommandControl.OK : CommandControl.NOT_OK;
}
protected boolean isCommandForbidden() {
return false;
}
protected void actionIfCommandValid() {
}
public final CommandExecutionResult execute(S system, List<String> lines) {
if (lines.size() != 1) {
throw new IllegalArgumentException();
}
final String line = lines.get(0).trim();
if (isForbidden(line)) {
return CommandExecutionResult.error("Forbidden line " + line);
}
final RegexResult arg = pattern.matcher(line);
if (arg == null) {
return CommandExecutionResult.error("Cannot parse line " + line);
}
if (system instanceof PSystemError) {
return CommandExecutionResult.error("PSystemError cannot be cast");
}
// System.err.println("lines="+lines);
// System.err.println("pattern="+pattern.getPattern());
return executeArg(system, arg);
}
protected boolean isForbidden(String line) {
return false;
}
protected abstract CommandExecutionResult executeArg(S system, RegexResult arg);
}
|
