diff options
Diffstat (limited to 'libjava/gnu/xml/dom/DomText.java')
| -rw-r--r-- | libjava/gnu/xml/dom/DomText.java | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/libjava/gnu/xml/dom/DomText.java b/libjava/gnu/xml/dom/DomText.java new file mode 100644 index 0000000..d714655 --- /dev/null +++ b/libjava/gnu/xml/dom/DomText.java @@ -0,0 +1,220 @@ +/* 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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 DomEx(DomEx.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 DomEx(DomEx.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; + } + +} |