/*
* 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
* questions .
*/
/*
* 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 < code > Text < / code > interface inherits from < code > CharacterData < / code >
* and represents the textual content ( termed < a href = ' http : //www.w3.org/TR/2004/REC-xml-20040204#syntax'>character data</a> in XML) of an <code>Element</code> or <code>Attr</code>. If there is no
* markup inside an element ' s content , the text is contained in a single
* object implementing the < code > Text < / code > interface that is the only
* child of the element . If there is markup , it is parsed into the
* information items ( elements , comments , etc . ) and < code > Text < / code > nodes
* that form the list of children of the element .
* < p > When a document is first made available via the DOM , there is only one
* < code > Text < / code > node for each block of text . Users may create adjacent
* < code > Text < / code > 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
* < code > Node . normalize ( ) < / code > method merges any such adjacent
* < code > Text < / code > objects into a single node for each block of text .
* < p > No lexical check is done on the content of a < code > Text < / code > node
* and , depending on its position in the document , some characters must be
* escaped during serialization using character references ; e . g . the
* characters " & lt ; & amp ; " if the textual content is part of an element or of
* an attribute , the character sequence " ] ] & gt ; " when part of an element ,
* the quotation mark character " or the apostrophe character ' when part of
* an attribute .
* < p > See also the < a href = ' http : //www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
*/
public interface Text extends CharacterData {
/**
* Breaks this node into two nodes at the specified < code > offset < / code > ,
* keeping both in the tree as siblings . After being split , this node
* will contain all the content up to the < code > offset < / code > point . A
* new node of the same type , which contains all the content at and
* after the < code > offset < / code > 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 < code > offset < / code > 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
* < code > 0 < / code > .
* @ 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 < code > data < / code > .
* < br > NO_MODIFICATION_ALLOWED_ERR : Raised if this node is readonly .
*/
public Text splitText(int offset)
throws DOMException;
/**
* Returns whether this text node contains < a href = ' http : //www.w3.org/TR/2004/REC-xml-infoset-20040204#infoitem.character'>
* element content whitespace < / a > , 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
* < code > Document . normalizeDocument ( ) < / code > .
* @ since 1 . 5 , DOM Level 3
*/
public boolean isElementContentWhitespace();
/**
* Returns all text of < code > Text < / code > nodes logically - adjacent text
* nodes to this node , concatenated in document order .
* < br > For instance , in the example below < code > wholeText < / code > on the
* < code > Text < / code > node that contains " bar " returns " barfoo " , while on
* the < code > Text < / code > node that contains " foo " it returns " barfoo " .
*
* < pre >
* + - - - - - +
* | & lt ; p & gt ; |
* + - - - - - +
* / \
* / \
* / - - - - - \ + - - - - - - - +
* | bar | | & amp ; ent ; |
* \ - - - - - / + - - - - - - - +
* |
* |
* / - - - - - \
* | foo |
* \ - - - - - /
* < / pre >
* < em > Figure : barTextNode . wholeText value is " barfoo " < / em >
*
* @ 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 .
* < p > This method returns the node which received the replacement text .
* The returned node is : < / p >
* < ul >
* < li > < code > null < / code > , when the replacement text is
* the empty string ;
* < / li >
* < li > the current node , except when the current node is
* read - only ;
* < / li >
* < li > a new < code > Text < / code > node of the same type (
* < code > Text < / code > or < code > CDATASection < / code > ) as the current node
* inserted at the location of the replacement .
* < / li >
* < / ul >
* < p > For instance , in the above example calling
* < code > replaceWholeText < / code > on the < code > Text < / code > node that
* contains " bar " with " yo " in argument results in the following : < / p >
*
* < pre >
* + - - - - - +
* | & lt ; p & gt ; |
* + - - - - - +
* |
* |
* / - - - - - \
* | yo |
* \ - - - - - /
* < / pre >
* < em > Figure : barTextNode . replaceWholeText ( " yo " ) modifies the
* textual content of barTextNode with " yo " < / em >
*
* < p > Where the nodes to be removed are read - only descendants of an
* < code > EntityReference < / code > , the < code > EntityReference < / code > must
* be removed instead of the read - only nodes . If any
* < code > EntityReference < / code > to be removed has descendants that are
* not < code > EntityReference < / code > , < code > Text < / code > , or
* < code > CDATASection < / code > nodes , the < code > replaceWholeText < / code >
* method must fail before performing any modification of the document ,
* raising a < code > DOMException < / code > with the code
* < code > NO_MODIFICATION_ALLOWED_ERR < / code > . < / p >
* < p > For instance , in the example below calling
* < code > replaceWholeText < / code > on the < code > Text < / code > node that
* contains " bar " fails , because the < code > EntityReference < / code > node
* " ent " contains an < code > Element < / code > node which cannot be removed . < / p >
* @ param content The content of the replacing < code > Text < / code > node .
* @ return The < code > Text < / code > node created with the specified content .
* @ exception DOMException
* NO_MODIFICATION_ALLOWED_ERR : Raised if one of the < code > Text < / code >
* nodes being replaced is readonly .
* @ since 1 . 5 , DOM Level 3
*/
public Text replaceWholeText(String content)
throws DOMException;
}
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