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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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/*
* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file and, per its terms, should not be removed:
*
* Copyright (c) 2004 World Wide Web Consortium,
*
* (Massachusetts Institute of Technology, European Research Consortium for
* Informatics and Mathematics, Keio University). All Rights Reserved. This
* work is distributed under the W3C(r) Software License [1] 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.
*
* [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
*/
package org.w3c.dom;
/**
* The Text interface inherits from CharacterData
* and represents the textual content (termed character data in XML) of an Element or Attr. If there is no
* markup inside an element's content, the text is contained in a single
* object implementing the Text interface that is the only
* child of the element. If there is markup, it is parsed into the
* information items (elements, comments, etc.) and Text nodes
* that form the list of children of the element.
* When a document is first made available via the DOM, there is only one
* Text node for each block of text. Users may create adjacent
* Text nodes that represent the contents of a given element
* without any intervening markup, but should be aware that there is no way
* to represent the separations between these nodes in XML or HTML, so they
* will not (in general) persist between DOM editing sessions. The
* Node.normalize() method merges any such adjacent
* Text objects into a single node for each block of text.
*
No lexical check is done on the content of a Text node
* and, depending on its position in the document, some characters must be
* escaped during serialization using character references; e.g. the
* characters "<&" if the textual content is part of an element or of
* an attribute, the character sequence "]]>" when part of an element,
* the quotation mark character " or the apostrophe character ' when part of
* an attribute.
*
See also the Document Object Model (DOM) Level 3 Core Specification.
*/
public interface Text extends CharacterData {
/**
* Breaks this node into two nodes at the specified offset,
* keeping both in the tree as siblings. After being split, this node
* will contain all the content up to the offset point. A
* new node of the same type, which contains all the content at and
* after the offset point, is returned. If the original
* node had a parent node, the new node is inserted as the next sibling
* of the original node. When the offset is equal to the
* length of this node, the new node has no data.
* @param offset The 16-bit unit offset at which to split, starting from
* 0.
* @return The new node, of the same type as this node.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
* than the number of 16-bit units in data.
*
NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public Text splitText(int offset)
throws DOMException;
/**
* Returns whether this text node contains
* element content whitespace, often abusively called "ignorable whitespace". The text node is
* determined to contain whitespace in element content during the load
* of the document or if validation occurs while using
* Document.normalizeDocument().
* @since 1.5, DOM Level 3
*/
public boolean isElementContentWhitespace();
/**
* Returns all text of Text nodes logically-adjacent text
* nodes to this node, concatenated in document order.
*
For instance, in the example below wholeText on the
* Text node that contains "bar" returns "barfoo", while on
* the Text node that contains "foo" it returns "barfoo".
*
*
* +-----+
* | <p> |
* +-----+
* /\
* / \
* /-----\ +-------+
* | bar | | &ent; |
* \-----/ +-------+
* |
* |
* /-----\
* | foo |
* \-----/
*
* Figure: barTextNode.wholeText value is "barfoo"
*
* @since 1.5, DOM Level 3
*/
public String getWholeText();
/**
* Replaces the text of the current node and all logically-adjacent text
* nodes with the specified text. All logically-adjacent text nodes are
* removed including the current node unless it was the recipient of the
* replacement text.
* This method returns the node which received the replacement text.
* The returned node is:
*
* null, when the replacement text is
* the empty string;
* - the current node, except when the current node is
* read-only;
*
* - a new
Text node of the same type (
* Text or CDATASection) as the current node
* inserted at the location of the replacement.
*
*
* For instance, in the above example calling
* replaceWholeText on the Text node that
* contains "bar" with "yo" in argument results in the following:
*
*
* +-----+
* | <p> |
* +-----+
* |
* |
* /-----\
* | yo |
* \-----/
*
* Figure: barTextNode.replaceWholeText("yo") modifies the
* textual content of barTextNode with "yo"
*
* Where the nodes to be removed are read-only descendants of an
* EntityReference, the EntityReference must
* be removed instead of the read-only nodes. If any
* EntityReference to be removed has descendants that are
* not EntityReference, Text, or
* CDATASection nodes, the replaceWholeText
* method must fail before performing any modification of the document,
* raising a DOMException with the code
* NO_MODIFICATION_ALLOWED_ERR.
* For instance, in the example below calling
* replaceWholeText on the Text node that
* contains "bar" fails, because the EntityReference node
* "ent" contains an Element node which cannot be removed.
* @param content The content of the replacing Text node.
* @return The Text node created with the specified content.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if one of the Text
* nodes being replaced is readonly.
* @since 1.5, DOM Level 3
*/
public Text replaceWholeText(String content)
throws DOMException;
}