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Diffstat (limited to 'xmerge/source/xmerge/java/org/openoffice/xmerge/util/OfficeUtil.java')
| -rw-r--r-- | xmerge/source/xmerge/java/org/openoffice/xmerge/util/OfficeUtil.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/util/OfficeUtil.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/util/OfficeUtil.java new file mode 100644 index 000000000000..64a37037c406 --- /dev/null +++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/util/OfficeUtil.java @@ -0,0 +1,135 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package org.openoffice.xmerge.util; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; +import org.w3c.dom.Text; + +import org.openoffice.xmerge.converter.xml.OfficeConstants; + +import java.util.Vector; + + +/** + * Class providing utility methods for OpenOffice plugins. + * + * @author Mark Murnane + * @version 1.1 + */ +public class OfficeUtil implements OfficeConstants { + + /** + * <p>Method to replace whitespace character within text with appropriate + * OpenOffice tags.</p> + * + * @param text The text to parse for whitespace. + * + * @return <code>Node</code> array containing OpenOffice XML nodes + * representing the text. + */ + public static Node[] parseText(String text, Document parentDoc) { + Vector nodeVec = new Vector(); + + /* + * Break up the text from the text run into Open + * Office text runs. There may be more runs in OO because + * runs of 2 or more spaces map to nodes. + */ + while ((text.indexOf(" ") != -1) || (text.indexOf("\t") != 1)) { + + /* + * Find the indices of tabs and multiple spaces, and + * figure out which of them occurs first in the string. + */ + int spaceIndex = text.indexOf(" "); + int tabIndex = text.indexOf("\t"); + if ((spaceIndex == -1) && (tabIndex == -1)) + break; // DJP This should not be necessary. What is wrong + // with the while() stmt up above? + int closerIndex; // Index of the first of these + if (spaceIndex == -1) + closerIndex = tabIndex; + else if (tabIndex == -1) + closerIndex = spaceIndex; + else + closerIndex = (spaceIndex > tabIndex) ? tabIndex : spaceIndex; + + /* + * If there is any text prior to the first occurrence of a + * tab or spaces, create a text node from it, then chop it + * off the string we're working with. + */ + if (closerIndex > 0) { + String beginningText = text.substring(0, closerIndex); + Text textNode = parentDoc.createTextNode(beginningText); + nodeVec.addElement(textNode); + } + text = text.substring(closerIndex); + + /* + * Handle either tab character or space sequence by creating + * an element for it, and then chopping out the text that + * represented it in "text". + */ + if (closerIndex == tabIndex) { + Element tabNode = parentDoc.createElement(TAG_TAB_STOP); + nodeVec.add(tabNode); + text = text.substring(1); // tab is always a single character + } else { + // Compute length of space sequence. + int nrSpaces = 2; + while ((nrSpaces < text.length()) + && text.substring(nrSpaces, nrSpaces + 1).equals(" ")) + nrSpaces++; + + Element spaceNode = parentDoc.createElement(TAG_SPACE); + spaceNode.setAttribute(ATTRIBUTE_SPACE_COUNT, + new Integer(nrSpaces).toString()); + nodeVec.add(spaceNode); + text = text.substring(nrSpaces); + } + } + + /* + * No more tabs or space sequences. If there's any remaining + * text create a text node for it. + */ + if (text.length() > 0) { + Text textNode = parentDoc.createTextNode(text); + nodeVec.add(textNode); + } + + // Now create and populate an array to return the nodes in. + Node nodes[] = new Node[nodeVec.size()]; + for (int i = 0; i < nodeVec.size(); i++) + nodes[i] = (Node)nodeVec.elementAt(i); + return nodes; + } +}
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