/** * Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite * contributors * * This file is part of EvoSuite. * * EvoSuite is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, either version 3.0 of the License, or * (at your option) any later version. * * EvoSuite 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 Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>. */ package com.examples.with.different.packagename; import java.io.IOException; import java.util.Enumeration; import java.util.Hashtable; import java.util.Vector; /** * XMLElement is a representation of an XML object. The object is able to parse * XML code. * <P> * <DL> * <DT><B>Parsing XML Data</B></DT> * <DD> * You can parse XML data using the following code: * <UL> * <CODE> * XMLElement xml = new XMLElement();<BR> * FileReader reader = new FileReader("filename.xml");<BR> * xml.parseFromReader(reader); * </CODE> * </UL> * </DD> * </DL> * <DL> * <DT><B>Retrieving Attributes</B></DT> * <DD> * You can enumerate the attributes of an element using the method * {@link #enumerateAttributeNames() enumerateAttributeNames}. The attribute * values can be retrieved using the method * {@link #getStringAttribute(java.lang.String) getStringAttribute}. The * following example shows how to list the attributes of an element: * <UL> * <CODE> * XMLElement element = ...;<BR> * Enumeration enum = element.getAttributeNames();<BR> * while (enum.hasMoreElements()) {<BR> *     String key = (String) enum.nextElement();<BR> *     String value = element.getStringAttribute(key);<BR> *     System.out.println(key + " = " + value);<BR> * } * </CODE> * </UL> * </DD> * </DL> * <DL> * <DT><B>Retrieving Child Elements</B></DT> * <DD> * You can enumerate the children of an element using * {@link #enumerateChildren() enumerateChildren}. The number of child elements * can be retrieved using {@link #countChildren() countChildren}.</DD> * </DL> * <DL> * <DT><B>Elements Containing Character Data</B></DT> * <DD> * If an elements contains character data, like in the following example: * <UL> * <CODE> * <title>The Title</title> * </CODE> * </UL> * you can retrieve that data using the method {@link #getContent() getContent}. * </DD> * </DL> * <DL> * <DT><B>Subclassing XMLElement</B></DT> * <DD> * When subclassing XMLElement, you need to override the method * {@link #createAnotherElement() createAnotherElement} which has to return a * new copy of the receiver.</DD> * </DL> * <P> * * @see nanoxml.XMLParseException * * @author Marc De Scheemaecker <<A * href="mailto:cyberelf@mac.com">cyberelf@mac.com</A>> * @version $Name: RELEASE_2_2_1 $, $Revision: 1.4 $ */ public class XMLElement2 { public static void testCase(String string0) { XMLElement2 xmlElement = new XMLElement2(); xmlElement.parseString(string0); } public static class XMLParseException extends RuntimeException { public XMLParseException(String msg, int line, String ex) { } public XMLParseException(String msg, String ex) { } } /** * Serialization serial version ID. */ static final long serialVersionUID = 6685035139346394777L; /** * Major version of NanoXML. Classes with the same major and minor version * are binary compatible. Classes with the same major version are source * compatible. If the major version is different, you may need to modify the * client source code. * * @see nanoxml.XMLElement2#NANOXML_MINOR_VERSION */ public static final int NANOXML_MAJOR_VERSION = 2; /** * Minor version of NanoXML. Classes with the same major and minor version * are binary compatible. Classes with the same major version are source * compatible. If the major version is different, you may need to modify the * client source code. * * @see nanoxml.XMLElement2#NANOXML_MAJOR_VERSION */ public static final int NANOXML_MINOR_VERSION = 2; /** * The attributes given to the element. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field can be empty. * <li>The field is never <code>null</code>. * <li>The keys and the values are strings. * </ul> * </dd> * </dl> */ private Hashtable attributes; /** * Child elements of the element. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field can be empty. * <li>The field is never <code>null</code>. * <li>The elements are instances of <code>XMLElement</code> or a subclass * of <code>XMLElement</code>. * </ul> * </dd> * </dl> */ private Vector children; /** * The name of the element. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field is <code>null</code> iff the element is not initialized by * either parse or setName. * <li>If the field is not <code>null</code>, it's not empty. * <li>If the field is not <code>null</code>, it contains a valid XML * identifier. * </ul> * </dd> * </dl> */ private String name; /** * The #PCDATA content of the object. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field is <code>null</code> iff the element is not a #PCDATA * element. * <li>The field can be any string, including the empty string. * </ul> * </dd> * </dl> */ private String contents; /** * Conversion table for &...; entities. The keys are the entity names * without the & and ; delimiters. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field is never <code>null</code>. * <li>The field always contains the following associations: * "lt" => "<", "gt" => ">", * "quot" => "\"", "apos" => "'", * "amp" => "&" * <li>The keys are strings * <li>The values are char arrays * </ul> * </dd> * </dl> */ private Hashtable entities; /** * The line number where the element starts. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li><code>lineNr >= 0</code> * </ul> * </dd> * </dl> */ private int lineNr; /** * <code>true</code> if the case of the element and attribute names are case * insensitive. */ private boolean ignoreCase; /** * <code>true</code> if the leading and trailing whitespace of #PCDATA * sections have to be ignored. */ private boolean ignoreWhitespace; /** * Character read too much. This character provides push-back functionality * to the input reader without having to use a PushbackReader. If there is * no such character, this field is '\0'. */ private char charReadTooMuch; /** * The reader provided by the caller of the parse method. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>The field is not <code>null</code> while the parse method is running. * </ul> * </dd> * </dl> */ private String reader; private int readerIndex; /** * The current line number in the source content. * * <dl> * <dt><b>Invariants:</b></dt> * <dd> * <ul> * <li>parserLineNr > 0 while the parse method is running. * </ul> * </dd> * </dl> */ private int parserLineNr; /** * Creates and initializes a new XML element. Calling the construction is * equivalent to: * <ul> * <code>new XMLElement(new Hashtable(), false, true) * </code> * </ul> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>countChildren() => 0 * <li>enumerateChildren() => empty enumeration * <li>enumeratePropertyNames() => empty enumeration * <li>getChildren() => empty vector * <li>getContent() => "" * <li>getLineNr() => 0 * <li>getName() => null * </ul> * </dd> * </dl> * * @see nanoxml.XMLElement2#XMLElement(java.util.Hashtable) * XMLElement(Hashtable) * @see nanoxml.XMLElement2#XMLElement(boolean) * @see nanoxml.XMLElement2#XMLElement(java.util.Hashtable,boolean) * XMLElement(Hashtable, boolean) */ public XMLElement2() { this(new Hashtable(), false, true, true); } /** * Creates and initializes a new XML element. * <P> * This constructor should <I>only</I> be called from * {@link #createAnotherElement() createAnotherElement} to create child * elements. * * @param entities * The entity conversion table. * @param skipLeadingWhitespace * <code>true</code> if leading and trailing whitespace in PCDATA * content has to be removed. * @param fillBasicConversionTable * <code>true</code> if the basic entities need to be added to * the entity list. * @param ignoreCase * <code>true</code> if the case of element and attribute names * have to be ignored. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt><dd> * <ul> * <li><code>entities != null</code> <li>if <code> * fillBasicConversionTable == false</code> then <code>entities * </code> contains at least the following entries: <code>amp * </code>, <code>lt</code>, <code>gt</code>, <code>apos</code> * and <code>quot</code> * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt><dd> * <ul> * <li>countChildren() => 0 <li>enumerateChildren() => empty * enumeration <li>enumeratePropertyNames() => empty enumeration * <li>getChildren() => empty vector <li>getContent() => "" <li> * getLineNr() => 0 <li>getName() => null * </ul> * </dd> * </dl> * <dl> * * @see nanoxml.XMLElement2#createAnotherElement() */ private XMLElement2(Hashtable entities, boolean skipLeadingWhitespace, boolean fillBasicConversionTable, boolean ignoreCase) { this.ignoreWhitespace = skipLeadingWhitespace; this.ignoreCase = ignoreCase; this.name = null; this.contents = ""; this.attributes = new Hashtable(); this.children = new Vector(); this.entities = entities; this.lineNr = 0; this.entities.put("amp", new char[] { '&' }); this.entities.put("quot", new char[] { '"' }); this.entities.put("apos", new char[] { '\'' }); this.entities.put("lt", new char[] { '<' }); this.entities.put("gt", new char[] { '>' }); } /** * Returns the name of the element. * * @see nanoxml.XMLElement2#setName(java.lang.String) setName(String) */ public String getName() { return this.name; } /** * Scans the data for literal text. Scanning stops when a character does not * match or after the complete text has been checked, whichever comes first. * * @param literal * the literal to check. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>literal != null</code> * </ul> * </dd> * </dl> */ private boolean checkLiteral(String literal) { int length = literal.length(); for (int i = 0; i < length; i += 1) { if (this.readChar() != literal.charAt(i)) { return false; } } return true; } /** * Reads a character from a reader. */ private char readChar() { if (this.charReadTooMuch != '\0') { char ch = this.charReadTooMuch; this.charReadTooMuch = '\0'; return ch; } else { if (readerIndex > this.reader.length() - 1) { throw this.unexpectedEndOfData(); } int i = this.reader.charAt(readerIndex); readerIndex++; if (i == 10) { // line feed this.parserLineNr += 1; return '\n'; } else { return (char) i; } } } /** * Creates a parse exception for when the end of the data input has been * reached. */ private XMLParseException unexpectedEndOfData() { String msg = "Unexpected end of data reached"; return new XMLParseException(this.getName(), this.parserLineNr, msg); } /** * Reads one XML element from a String and parses it. * * @param reader * The reader from which to retrieve the XML data. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>string != null</code> * <li><code>string.length() > 0</code> * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>the state of the receiver is updated to reflect the XML * element parsed from the reader * </ul> * </dd> * </dl> * <dl> * * @throws nanoxml.XMLParseException * If an error occured while parsing the string. */ public void parseString(String string) throws XMLParseException { this.parseFromReader(string, /* startingLineNr */1); } /** * Reads one XML element from a java.io.Reader and parses it. * * @param reader * The reader from which to retrieve the XML data. * @param startingLineNr * The line number of the first line in the data. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>reader != null</code> * <li><code>reader</code> is not closed * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>the state of the receiver is updated to reflect the XML * element parsed from the reader * <li>the reader points to the first character following the * last '>' character of the XML element * </ul> * </dd> * </dl> * <dl> * * @throws java.io.IOException * If an error occured while reading the input. * @throws nanoxml.XMLParseException * If an error occured while parsing the read data. */ private void parseFromReader(String reader, int startingLineNr) throws XMLParseException { this.name = null; this.contents = ""; this.attributes = new Hashtable(); this.children = new Vector(); this.charReadTooMuch = '\0'; this.reader = reader; this.readerIndex = 0; this.parserLineNr = startingLineNr; for (;;) { char ch = this.scanWhitespace(); if (ch != '<') { throw this.expectedInput("<"); } ch = this.readChar(); if ((ch == '!') || (ch == '?')) { this.skipSpecialTag(0); } else { this.unreadChar(ch); this.scanElement(this); return; } } } /** * This method scans an identifier from the current reader. * * @return the next character following the whitespace. */ private char scanWhitespace() { for (;;) { char ch = this.readChar(); switch (ch) { case ' ': case '\t': case '\n': case '\r': break; default: return ch; } } } /** * Creates a parse exception for when the next character read is not the * character that was expected. * * @param charSet * The set of characters (in human readable form) that was * expected. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>charSet != null</code> * <li><code>charSet.length() > 0</code> * </ul> * </dd> * </dl> */ private XMLParseException expectedInput(String charSet) { String msg = "Expected: " + charSet; return new XMLParseException(this.getName(), this.parserLineNr, msg); } /** * Skips a special tag or comment. * * @param bracketLevel * The number of open square brackets ([) that have already been * read. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li>The first <! has already been read. * <li><code>bracketLevel >= 0</code> * </ul> * </dd> * </dl> */ private void skipSpecialTag(int bracketLevel) { int tagLevel = 1; // < char stringDelimiter = '\0'; if (bracketLevel == 0) { char ch = this.readChar(); if (ch == '[') { bracketLevel += 1; } else if (ch == '-') { ch = this.readChar(); if (ch == '[') { bracketLevel += 1; } else if (ch == ']') { bracketLevel -= 1; } else if (ch == '-') { this.skipComment(); return; } } } while (tagLevel > 0) { char ch = this.readChar(); if (stringDelimiter == '\0') { if ((ch == '"') || (ch == '\'')) { stringDelimiter = ch; } else if (bracketLevel <= 0) { if (ch == '<') { tagLevel += 1; } else if (ch == '>') { tagLevel -= 1; } } if (ch == '[') { bracketLevel += 1; } else if (ch == ']') { bracketLevel -= 1; } } else { if (ch == stringDelimiter) { stringDelimiter = '\0'; } } } } /** * Pushes a character back to the read-back buffer. * * @param ch * The character to push back. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li>The read-back buffer is empty. * <li><code>ch != '\0'</code> * </ul> * </dd> * </dl> */ private void unreadChar(char ch) { this.charReadTooMuch = ch; } /** * Scans an XML element. * * @param elt * The element that will contain the result. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li>The first < has already been read. * <li><code>elt != null</code> * </ul> * </dd> * </dl> */ private void scanElement(XMLElement2 elt) { StringBuffer buf = new StringBuffer(); this.scanIdentifier(buf); String name = buf.toString(); if (name.length() == 0) { throw new XMLParseException("", ""); } elt.setName(name); char ch = this.scanWhitespace(); while ((ch != '>') && (ch != '/')) { // buf.setLength(0); buf = new StringBuffer(); this.unreadChar(ch); this.scanIdentifier(buf); String key = buf.toString(); ch = this.scanWhitespace(); if (ch != '=') { throw this.expectedInput("="); } this.unreadChar(this.scanWhitespace()); // buf.setLength(0); buf = new StringBuffer(); this.scanString(buf); if (key.length() == 0) { throw new XMLParseException("", ""); } elt.setAttribute(key, buf); ch = this.scanWhitespace(); } if (ch == '/') { ch = this.readChar(); if (ch != '>') { throw this.expectedInput(">"); } else { return; } } // buf.setLength(0); buf = new StringBuffer(); ch = this.scanWhitespace(buf); if (ch != '<') { this.unreadChar(ch); this.scanPCData(buf); } else { for (;;) { ch = this.readChar(); if (ch == '!') { if (this.checkCDATA(buf)) { this.scanPCData(buf); break; } else { ch = this.scanWhitespace(buf); if (ch != '<') { this.unreadChar(ch); this.scanPCData(buf); break; } } } else { if ((ch != '/') || this.ignoreWhitespace) { // buf.setLength(0); buf = new StringBuffer(); } if (ch == '/') { this.unreadChar(ch); } break; } } } if (buf.length() == 0) { while (ch != '/') { if (ch == '!') { ch = this.readChar(); if (ch != '-') { throw this.expectedInput("Comment or Element"); } ch = this.readChar(); if (ch != '-') { throw this.expectedInput("Comment or Element"); } this.skipComment(); } else { this.unreadChar(ch); XMLElement2 child = this.createAnotherElement(); this.scanElement(child); elt.addChild(child); } ch = this.scanWhitespace(); if (ch != '<') { throw this.expectedInput("<"); } ch = this.readChar(); } this.unreadChar(ch); } else { if (this.ignoreWhitespace) { elt.setContent(buf.toString().trim()); } else { elt.setContent(buf.toString()); } } ch = this.readChar(); if (ch != '/') { throw this.expectedInput("/"); } this.unreadChar(this.scanWhitespace()); if (!this.checkLiteral(name)) { throw this.expectedInput(name); } if (this.scanWhitespace() != '>') { throw this.expectedInput(">"); } else { } } /** * Skips a comment. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li>The first <!-- has already been read. * </ul> * </dd> * </dl> */ private void skipComment() { int dashesToRead = 2; while (dashesToRead > 0) { char ch = this.readChar(); if (ch == '-') { dashesToRead -= 1; } else { dashesToRead = 2; } } if (this.readChar() != '>') { throw this.expectedInput(">"); } } /** * Scans an identifier from the current reader. The scanned identifier is * appended to <code>result</code>. * * @param result * The buffer in which the scanned identifier will be put. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>result != null</code> * <li>The next character read from the reader is a valid first * character of an XML identifier. * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>The next character read from the reader won't be an * identifier character. * </ul> * </dd> * </dl> * <dl> */ private void scanIdentifier(StringBuffer result) { for (;;) { char ch = this.readChar(); if (((ch < 'A') || (ch > 'Z')) && ((ch < 'a') || (ch > 'z')) && ((ch < '0') || (ch > '9')) && (ch != '_') && (ch != '.') && (ch != ':') && (ch != '-') && (ch <= '\u007E')) { this.unreadChar(ch); return; } result.append(ch); } } /** * Changes the name of the element. * * @param name * The new name. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>name != null</code> * <li><code>name</code> is a valid XML identifier * </ul> * </dd> * </dl> * * @see nanoxml.XMLElement#getName() */ public void setName(String name) { this.name = name; } /** * This method scans a delimited string from the current reader. The scanned * string without delimiters is appended to <code>string</code>. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>string != null</code> * <li>the next char read is the string delimiter * </ul> * </dd> * </dl> */ private void scanString(StringBuffer string) { char delimiter = this.readChar(); if ((delimiter != '\'') && (delimiter != '"')) { throw this.expectedInput("' or \""); } for (;;) { char ch = this.readChar(); if (ch == delimiter) { return; } else if (ch == '&') { this.resolveEntity(string); } else { string.append(ch); } } } /** * Resolves an entity. The name of the entity is read from the reader. The * value of the entity is appended to <code>buf</code>. * * @param buf * Where to put the entity value. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li>The first & has already been read. * <li><code>buf != null</code> * </ul> * </dd> * </dl> */ private void resolveEntity(StringBuffer buf) { char ch = '\0'; StringBuffer keyBuf = new StringBuffer(); for (;;) { ch = this.readChar(); if (ch == ';') { break; } keyBuf.append(ch); } String key = keyBuf.toString(); if (key.charAt(0) == '#') { try { if (key.charAt(1) == 'x') { ch = (char) Integer.parseInt(key.substring(2), 16); } else { ch = (char) Integer.parseInt(key.substring(1), 10); } } catch (NumberFormatException e) { throw this.unknownEntity(key); } buf.append(ch); } else { char[] value = (char[]) this.entities.get(key); if (value == null) { throw this.unknownEntity(key); } buf.append(value); } } /** * Creates a parse exception for when an entity could not be resolved. * * @param name * The name of the entity. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>name != null</code> * <li><code>name.length() > 0</code> * </ul> * </dd> * </dl> */ private XMLParseException unknownEntity(String name) { String msg = "Unknown or invalid entity: &" + name + ";"; return new XMLParseException(this.getName(), this.parserLineNr, msg); } /** * Adds or modifies an attribute. * * @param name * The name of the attribute. * @param value * The value of the attribute. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>name != null</code> * <li><code>name</code> is a valid XML identifier * <li><code>value != null</code> * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>enumerateAttributeNames() => old.enumerateAttributeNames() * + name * <li>getAttribute(name) => value * </ul> * </dd> * </dl> * <dl> * * @see nanoxml.XMLElement#setDoubleAttribute(java.lang.String, double) * setDoubleAttribute(String, double) * @see nanoxml.XMLElement#setIntAttribute(java.lang.String, int) * setIntAttribute(String, int) * @see nanoxml.XMLElement#enumerateAttributeNames() * @see nanoxml.XMLElement#getAttribute(java.lang.String) * getAttribute(String) * @see nanoxml.XMLElement#getAttribute(java.lang.String, java.lang.Object) * getAttribute(String, Object) * @see nanoxml.XMLElement#getAttribute(java.lang.String, * java.util.Hashtable, java.lang.String, boolean) getAttribute(String, * Hashtable, String, boolean) * @see nanoxml.XMLElement#getStringAttribute(java.lang.String) * getStringAttribute(String) * @see nanoxml.XMLElement#getStringAttribute(java.lang.String, * java.lang.String) getStringAttribute(String, String) * @see nanoxml.XMLElement#getStringAttribute(java.lang.String, * java.util.Hashtable, java.lang.String, boolean) * getStringAttribute(String, Hashtable, String, boolean) */ public void setAttribute(String name, Object value) { if (this.ignoreCase) { name = name.toUpperCase(); } this.attributes.put(name, value.toString()); } /** * This method scans an identifier from the current reader. The scanned * whitespace is appended to <code>result</code>. * * @return the next character following the whitespace. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>result != null</code> * </ul> * </dd> * </dl> */ private char scanWhitespace(StringBuffer result) { for (;;) { char ch = this.readChar(); switch (ch) { case ' ': case '\t': case '\n': result.append(ch); case '\r': break; default: return ch; } } } /** * Scans a #PCDATA element. CDATA sections and entities are resolved. The * next < char is skipped. The scanned data is appended to * <code>data</code>. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>data != null</code> * </ul> * </dd> * </dl> */ private void scanPCData(StringBuffer data) { for (;;) { char ch = this.readChar(); if (ch == '<') { ch = this.readChar(); if (ch == '!') { this.checkCDATA(data); } else { this.unreadChar(ch); return; } } else if (ch == '&') { this.resolveEntity(data); } else { data.append(ch); } } } /** * Scans a special tag and if the tag is a CDATA section, append its content * to <code>buf</code>. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>buf != null</code> * <li>The first < has already been read. * </ul> * </dd> * </dl> */ private boolean checkCDATA(StringBuffer buf) { char ch = this.readChar(); if (ch != '[') { this.unreadChar(ch); this.skipSpecialTag(0); return false; } else if (!this.checkLiteral("CDATA[")) { this.skipSpecialTag(1); // one [ has already been read return false; } else { int delimiterCharsSkipped = 0; while (delimiterCharsSkipped < 3) { ch = this.readChar(); switch (ch) { case ']': if (delimiterCharsSkipped < 2) { delimiterCharsSkipped += 1; } else { buf.append(']'); buf.append(']'); delimiterCharsSkipped = 0; } break; case '>': if (delimiterCharsSkipped < 2) { for (int i = 0; i < delimiterCharsSkipped; i++) { buf.append(']'); } delimiterCharsSkipped = 0; buf.append('>'); } else { delimiterCharsSkipped = 3; } break; default: for (int i = 0; i < delimiterCharsSkipped; i += 1) { buf.append(']'); } buf.append(ch); delimiterCharsSkipped = 0; } } return true; } } /** * Creates a new similar XML element. * <P> * You should override this method when subclassing XMLElement. */ private XMLElement2 createAnotherElement() { return new XMLElement2(this.entities, this.ignoreWhitespace, false, this.ignoreCase); } /** * Changes the content string. * * @param content * The new content string. */ public void setContent(String content) { this.contents = content; } /** * Adds a child element. * * @param child * The child element to add. * * </dl> * <dl> * <dt><b>Preconditions:</b></dt> * <dd> * <ul> * <li><code>child != null</code> * <li><code>child.getName() != null</code> * <li><code>child</code> does not have a parent element * </ul> * </dd> * </dl> * * <dl> * <dt><b>Postconditions:</b></dt> * <dd> * <ul> * <li>countChildren() => old.countChildren() + 1 * <li>enumerateChildren() => old.enumerateChildren() + child * <li>getChildren() => old.enumerateChildren() + child * </ul> * </dd> * </dl> * <dl> * * @see nanoxml.XMLElement#countChildren() * @see nanoxml.XMLElement#enumerateChildren() * @see nanoxml.XMLElement#getChildren() * @see nanoxml.XMLElement#removeChild(nanoxml.XMLElement) * removeChild(XMLElement) */ public void addChild(XMLElement2 child) { this.children.addElement(child); } }