| /* DomText.java -- |
| Copyright (C) 1999, 2000, 2001, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.dom; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Text; |
| |
| /** |
| * <p> "Text" implementation. </p> |
| * |
| * @author David Brownell |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| public class DomText |
| extends DomCharacterData |
| implements Text |
| { |
| |
| // NOTE: deleted unused per-instance "isIgnorable" |
| // support to reclaim its space. |
| |
| /** |
| * Constructs a text node associated with the specified |
| * document and holding the specified data. |
| * |
| * <p>This constructor should only be invoked by a Document object |
| * as part of its createTextNode functionality, or through a subclass |
| * which is similarly used in a "Sub-DOM" style layer. |
| */ |
| protected DomText(DomDocument owner, String value) |
| { |
| super(TEXT_NODE, owner, value); |
| } |
| |
| protected DomText(DomDocument owner, char[] buf, int off, int len) |
| { |
| super(TEXT_NODE, owner, buf, off, len); |
| } |
| |
| // Used by DomCDATA |
| DomText(short nodeType, DomDocument owner, String value) |
| { |
| super(nodeType, owner, value); |
| } |
| |
| DomText(short nodeType, DomDocument owner, char[] buf, int off, int len) |
| { |
| super(nodeType, owner, buf, off, len); |
| } |
| |
| /** |
| * <b>DOM L1</b> |
| * Returns the string "#text". |
| */ |
| // can't be 'final' with CDATA subclassing |
| public String getNodeName() |
| { |
| return "#text"; |
| } |
| |
| /** |
| * <b>DOM L1</b> |
| * Splits this text node in two parts at the offset, returning |
| * the new text node (the sibling with the second part). |
| */ |
| public Text splitText(int offset) |
| { |
| if (isReadonly()) |
| { |
| throw new DomDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR); |
| } |
| try |
| { |
| String text = getNodeValue(); |
| String before = text.substring(0, offset); |
| String after = text.substring(offset); |
| Text next; |
| |
| if (getNodeType() == TEXT_NODE) |
| { |
| next = owner.createTextNode(after); |
| } |
| else // CDATA_SECTION_NODE |
| { |
| next = owner.createCDATASection(after); |
| } |
| |
| if (this.next != null) |
| { |
| parent.insertBefore(next, this.next); |
| } |
| else |
| { |
| parent.appendChild(next); |
| } |
| setNodeValue(before); |
| return next; |
| |
| } |
| catch (IndexOutOfBoundsException x) |
| { |
| throw new DomDOMException(DOMException.INDEX_SIZE_ERR); |
| } |
| } |
| |
| // DOM Level 3 |
| |
| public boolean isElementContentWhitespace() |
| { |
| if (parent != null) |
| { |
| DomDoctype doctype = (DomDoctype) owner.getDoctype(); |
| if (doctype != null) |
| { |
| DTDElementTypeInfo info = |
| doctype.getElementTypeInfo(parent.getNodeName()); |
| if (info != null) |
| { |
| if (info.model == null && info.model.indexOf("#PCDATA") != -1) |
| { |
| return false; |
| } |
| return getNodeValue().trim().length() == 0; |
| } |
| } |
| } |
| return false; |
| } |
| |
| public String getWholeText() |
| { |
| DomNode ref = this; |
| DomNode ctx; |
| for (ctx = previous; ctx != null && |
| (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); |
| ctx = ctx.previous) |
| { |
| ref = ctx; |
| } |
| StringBuffer buf = new StringBuffer(ref.getNodeValue()); |
| for (ctx = ref.next; ctx != null && |
| (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); |
| ctx = ctx.next) |
| { |
| buf.append(ctx.getNodeValue()); |
| } |
| return buf.toString (); |
| } |
| |
| public Text replaceWholeText(String content) |
| throws DOMException |
| { |
| boolean isEmpty = (content == null || content.length () == 0); |
| if (!isEmpty) |
| { |
| setNodeValue(content); |
| } |
| |
| DomNode ref = this; |
| DomNode ctx; |
| for (ctx = previous; ctx != null && |
| (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); |
| ctx = ctx.previous) |
| { |
| ref = ctx; |
| } |
| ctx = ref.next; |
| if ((isEmpty || ref != this) && parent != null) |
| { |
| parent.removeChild(ref); |
| } |
| for (; ctx != null && |
| (ctx.nodeType == TEXT_NODE || ctx.nodeType == CDATA_SECTION_NODE); |
| ctx = ref) |
| { |
| ref = ctx.next; |
| if ((isEmpty || ctx != this) && parent != null) |
| { |
| parent.removeChild(ctx); |
| } |
| } |
| return (isEmpty) ? null : this; |
| } |
| |
| } |