LibreOffice Module xmerge (master)  1
OfficeUtil.java
Go to the documentation of this file.
1 /*
2  * This file is part of the LibreOffice project.
3  *
4  * This Source Code Form is subject to the terms of the Mozilla Public
5  * License, v. 2.0. If a copy of the MPL was not distributed with this
6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7  *
8  * This file incorporates work covered by the following license notice:
9  *
10  * Licensed to the Apache Software Foundation (ASF) under one or more
11  * contributor license agreements. See the NOTICE file distributed
12  * with this work for additional information regarding copyright
13  * ownership. The ASF licenses this file to you under the Apache
14  * License, Version 2.0 (the "License"); you may not use this file
15  * except in compliance with the License. You may obtain a copy of
16  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
17  */
18 
19 package org.openoffice.xmerge.util;
20 
21 import org.w3c.dom.Document;
22 import org.w3c.dom.Element;
23 import org.w3c.dom.Node;
24 import org.w3c.dom.Text;
25 
27 
28 import java.util.ArrayList;
29 
35 public class OfficeUtil implements OfficeConstants {
36 
46  public static Node[] parseText(String text, Document parentDoc) {
47  ArrayList<Node> nodeVec = new ArrayList<Node>();
48 
49  /*
50  * Break up the text from the text run into Open
51  * Office text runs. There may be more runs in OO because
52  * runs of 2 or more spaces map to nodes.
53  */
54  while ((text.indexOf(" ") != -1) || (text.indexOf('\t') != 1)) {
55 
56  /*
57  * Find the indices of tabs and multiple spaces, and
58  * figure out which of them occurs first in the string.
59  */
60  int spaceIndex = text.indexOf(" ");
61  int tabIndex = text.indexOf('\t');
62  if ((spaceIndex == -1) && (tabIndex == -1))
63  break; // DJP This should not be necessary. What is wrong
64  // with the while() stmt up above?
65  int closerIndex; // Index of the first of these
66  if (spaceIndex == -1)
67  closerIndex = tabIndex;
68  else if (tabIndex == -1)
69  closerIndex = spaceIndex;
70  else
71  closerIndex = (spaceIndex > tabIndex) ? tabIndex : spaceIndex;
72 
73  /*
74  * If there is any text prior to the first occurrence of a
75  * tab or spaces, create a text node from it, then chop it
76  * off the string we're working with.
77  */
78  if (closerIndex > 0) {
79  String beginningText = text.substring(0, closerIndex);
80  Text textNode = parentDoc.createTextNode(beginningText);
81  nodeVec.add(textNode);
82  }
83  text = text.substring(closerIndex);
84 
85  /*
86  * Handle either tab character or space sequence by creating
87  * an element for it, and then chopping out the text that
88  * represented it in "text".
89  */
90  if (closerIndex == tabIndex) {
91  Element tabNode = parentDoc.createElement(TAG_TAB_STOP);
92  nodeVec.add(tabNode);
93  text = text.substring(1); // tab is always a single character
94  } else {
95  // Compute length of space sequence.
96  int nrSpaces = 2;
97  while ((nrSpaces < text.length())
98  && text.substring(nrSpaces, nrSpaces + 1).equals(" ")) {
99  nrSpaces++;
100  }
101 
102  Element spaceNode = parentDoc.createElement(TAG_SPACE);
103  spaceNode.setAttribute(ATTRIBUTE_SPACE_COUNT,
104  Integer.toString(nrSpaces));
105  nodeVec.add(spaceNode);
106  text = text.substring(nrSpaces);
107  }
108  }
109 
110  /*
111  * No more tabs or space sequences. If there's any remaining
112  * text create a text node for it.
113  */
114  if (text.length() > 0) {
115  Text textNode = parentDoc.createTextNode(text);
116  nodeVec.add(textNode);
117  }
118 
119  // Now create and populate an array to return the nodes in.
120  Node nodes[] = nodeVec.toArray(new Node[nodeVec.size()]);
121  return nodes;
122  }
123 }
This interface contains constants for StarOffice XML tags, attributes (StarCalc cell types...
static Node[] parseText(String text, Document parentDoc)
Method to replace whitespace character within text with appropriate OpenOffice tags.
Definition: OfficeUtil.java:46
exports com.sun.star. java
Class providing utility methods for OpenOffice plug-ins.
Definition: OfficeUtil.java:35
String TAG_TAB_STOP
Element tag for text:tab-stop.
String ATTRIBUTE_SPACE_COUNT
Attribute tag for text:c of element text:s.
Provides interfaces for converting between two.
Definition: Convert.java:19