Gridarta Editor
WrappingStringBuilder.java
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1 /*
2  * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
3  * Copyright (C) 2000-2023 The Gridarta Developers.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 package net.sf.gridarta.utils;
21 
27 public class WrappingStringBuilder {
28 
32  private final StringBuilder sb = new StringBuilder();
33 
37  private final int maxLineLength;
38 
42  private boolean firstWord = true;
43 
47  private int thisLineLength;
48 
54  this.maxLineLength = maxLineLength;
55  }
56 
61  public void append(final String str) {
62  if (!firstWord) {
63  if (thisLineLength + str.length() + 1 > maxLineLength) {
64  sb.append(",\n");
65  thisLineLength = 0;
66  } else {
67  sb.append(", ");
68  thisLineLength += 2;
69  }
70  }
71  sb.append(str);
72  thisLineLength += str.length();
73  firstWord = false;
74  }
75 
80  public void append(final int value) {
81  append(Integer.toString(value));
82  }
83 
88  @Override
89  public String toString() {
90  return sb.toString();
91  }
92 
93 }
net.sf.gridarta.utils.WrappingStringBuilder.append
void append(final String str)
Appends a word.
Definition: WrappingStringBuilder.java:61
net.sf.gridarta.utils.WrappingStringBuilder
Implements a string buffer that separates words by "," and wraps lines at a given margin.
Definition: WrappingStringBuilder.java:27
net.sf.gridarta.utils.WrappingStringBuilder.WrappingStringBuilder
WrappingStringBuilder(final int maxLineLength)
Creates a new instance.
Definition: WrappingStringBuilder.java:53
net.sf.gridarta.utils.WrappingStringBuilder.append
void append(final int value)
Appends an integer value.
Definition: WrappingStringBuilder.java:80
net.sf.gridarta.utils.WrappingStringBuilder.firstWord
boolean firstWord
Set if no word was added yet, unset if at least one word was added.
Definition: WrappingStringBuilder.java:42
net.sf.gridarta.utils.WrappingStringBuilder.thisLineLength
int thisLineLength
The length of the last line in sb.
Definition: WrappingStringBuilder.java:47
net.sf.gridarta.utils.WrappingStringBuilder.sb
final StringBuilder sb
The StringBuilder holding the string data.
Definition: WrappingStringBuilder.java:32
net.sf.gridarta.utils.WrappingStringBuilder.maxLineLength
final int maxLineLength
The maximum line length.
Definition: WrappingStringBuilder.java:37
net.sf.gridarta.utils.WrappingStringBuilder.toString
String toString()
Returns the concatenated words as a string.
Definition: WrappingStringBuilder.java:89