/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xml2;
import com.caucho.util.*;
import com.caucho.vfs.Path;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.ReaderWriterStream;
import com.caucho.vfs.Vfs;
import com.caucho.vfs.WriteStream;
import com.caucho.xml2.readers.MacroReader;
import com.caucho.xml2.readers.Utf16Reader;
import com.caucho.xml2.readers.Utf8Reader;
import com.caucho.xml2.readers.XmlReader;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import javax.xml.namespace.QName;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
import java.util.logging.Level;
/**
* A configurable XML parser. Loose versions of XML and HTML are supported
* by changing the Policy object.
*
* <p>Normally, applications will use Xml, LooseXml, Html, or LooseHtml.
*/
public class DtdParser
{
private static final L10N L = new L10N(DtdParser.class);
static HashMap<String,String> _attrTypes = new HashMap<String,String>();
static Entities _entities = new XmlEntities();
private XmlParser _xmlParser;
QAttributes _attributes;
QAttributes _nullAttributes;
boolean _inDtd;
boolean _strictComments = true;
CharBuffer _text;
CharBuffer _eltName;
CharBuffer _cb;
CharBuffer _buf = new CharBuffer();
String _textFilename;
int _textLine;
char []_textBuffer = new char[1024];
int _textLength;
int _textCapacity = _textBuffer.length;
boolean _isIgnorableWhitespace;
boolean _isJspText;
CharBuffer _name = new CharBuffer();
CharBuffer _nameBuffer = new CharBuffer();
MacroReader _macro = new MacroReader();
int _macroIndex = 0;
int _macroLength = 0;
char []_macroBuffer;
QName []_elementNames = new QName[64];
NamespaceMap []_namespaces = new NamespaceMap[64];
int []_elementLines = new int[64];
int _elementTop;
NamespaceMap _namespaceMap;
ArrayList<String> _attrNames = new ArrayList<String>();
ArrayList<String> _attrValues = new ArrayList<String>();
ReadStream _is;
XmlReader _reader;
String _extPublicId;
String _extSystemId;
QName _activeNode;
QName _topNamespaceNode;
boolean _isTagStart;
boolean _stopOnIncludeEnd;
boolean _hasTopElement;
boolean _hasDoctype;
QDocumentType _dtd;
public DtdParser(XmlParser xmlParser, QDocumentType dtd)
{
_xmlParser = xmlParser;
_dtd = dtd;
}
/**
* Parses the DTD.
*
* <pre>
* dtd-item ::= <!ELEMENT ... |
* <!ATTLIST ... |
* <!NOTATION ... |
* <!ENTITY ... |
* <!-- comment |
* <? pi |
* %pe-ref;
* </pre>
*
* @return the next character.
*/
int parseDoctypeDecl(QDocumentType doctype)
throws IOException, SAXException
{
_hasDoctype = true;
int ch = 0;
for (ch = _xmlParser.skipWhitespace(read());
ch >= 0 && ch != ']';
ch = _xmlParser.skipWhitespace(read())) {
if (ch == '<') {
if ((ch = read()) == '!') {
if (XmlChar.isNameStart(ch = read())) {
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
if (name.equals("ELEMENT"))
parseElementDecl(doctype);
else if (name.equals("ATTLIST"))
parseAttlistDecl(doctype);
else if (name.equals("NOTATION"))
parseNotationDecl(doctype);
else if (name.equals("ENTITY"))
parseEntityDecl(doctype);
else
throw error("unknown declaration '" + name + "'");
}
else if (ch == '-')
parseComment();
else if (ch == '[') {
ch = _xmlParser.parseName(_text, read());
String name = _text.toString();
if (name.equals("IGNORE")) {
parseIgnore();
}
else if (name.equals("INCLUDE")) {
parseIgnore();
}
else
throw error(L.l("unknown declaration '{0}'", name));
}
}
else if (ch == '?') {
parsePI();
}
else
throw error(L.l("expected markup at {0}", badChar(ch)));
}
else if (ch == '%') {
ch = _xmlParser.parseName(_buf, read());
if (ch != ';')
throw error(L.l("'%{0};' expects ';' at {1}. Parameter entities have a '%name;' syntax.", _buf, badChar(ch)));
addPEReference(_text, _buf.toString());
}
else {
throw error(L.l("expected '<' at {0}", badChar(ch)));
}
_text.clear();
}
_text.clear();
return read();
}
private int parseNameToken(CharBuffer name, int ch)
throws IOException, SAXException
{
name.clear();
if (! XmlChar.isNameChar(ch))
throw error(L.l("expected name at {0}", badChar(ch)));
for (; XmlChar.isNameChar(ch); ch = read())
name.append((char) ch);
return ch;
}
private void appendText(String s)
{
if (_text.length() == 0) {
_textFilename = getFilename();
_textLine = getLine();
}
_text.append(s);
}
private int parseCharacterReference()
throws IOException, SAXException
{
int ch = read();
int radix = 10;
if (ch == 'x') {
radix = 16;
ch = read();
}
int value = 0;
for (; ch != ';'; ch = read()) {
if (ch >= '0' && ch <= '9')
value = radix * value + ch - '0';
else if (radix == 16 && ch >= 'a' && ch <= 'f')
value = radix * value + ch - 'a' + 10;
else if (radix == 16 && ch >= 'A' && ch <= 'F')
value = radix * value + ch - 'A' + 10;
else
throw error(L.l("malformed entity ref at {0}", badChar(ch)));
}
if (value > 0xffff)
throw error(L.l("malformed entity ref at {0}", "" + value));
// xml/0072
if (! isChar(value))
throw error(L.l("illegal character ref at {0}", badChar(value)));
return value;
}
/**
* Parses an attribute value.
*
* <pre>
* value ::= '[^']*'
* ::= "[^"]*"
* ::= [^ />]*
* </pre>
*
* @param value the CharBuffer which will contain the value.
* @param ch the next character from the input stream.
* @param isGeneral true if general entities are allowed.
*
* @return the following character from the input stream
*/
private int parseValue(CharBuffer value, int ch, boolean isGeneral)
throws IOException, SAXException
{
int end = ch;
value.clear();
if (end == '\'' || end == '"')
ch = read();
else {
value.append((char) end);
for (ch = read();
ch >= 0 && XmlChar.isNameChar(ch);
ch = read())
value.append((char) ch);
throw error(L.l("XML attribute value must be quoted at '{0}'. XML attribute syntax is either attr=\"value\" or attr='value'.",
value));
}
while (ch != -1 && (end != 0 && ch != end
|| end == 0 && isAttributeChar(ch))) {
if (end == 0 && ch == '/') {
ch = read();
if (! isWhitespace(ch) && ch != '>') {
value.append('/');
value.append((char) ch);
}
else {
unread(ch);
return '/';
}
}
else if (ch == '&') {
if ((ch = read()) == '#')
value.append((char) parseCharacterReference());
else if (! isGeneral) {
value.append('&');
value.append((char) ch);
}
else if (XmlChar.isNameStart(ch)) {
ch = _xmlParser.parseName(_buf, ch);
String name = _buf.toString();
if (ch != ';')
throw error(L.l("expected '{0}' at {1}", ";", badChar(ch)));
else {
int lookup = _entities.getEntity(name);
if (lookup >= 0 && lookup <= 0xffff) {
ch = read();
value.append((char) lookup);
continue;
}
QEntity entity = _dtd == null ? null : _dtd.getEntity(name);
if (entity != null && entity._value != null)
_xmlParser.setMacroAttr(entity._value);
else
throw error(L.l("expected local reference at '&{0};'", name));
}
}
}
else if (ch == '%' && ! isGeneral) {
ch = read();
if (! XmlChar.isNameStart(ch)) {
value.append('%');
continue;
}
else {
ch = _xmlParser.parseName(_buf, ch);
if (ch != ';')
throw error(L.l("expected '{0}' at {1}", ";", badChar(ch)));
else
addPEReference(value, _buf.toString());
}
}
else if (isGeneral) {
if (ch == '\r') {
ch = read();
if (ch != '\n') {
value.append('\n');
continue;
}
}
value.append((char) ch);
}
else if (ch == '\r') {
value.append(' ');
if ((ch = read()) != '\n')
continue;
}
else if (ch == '\n')
value.append(' ');
else
value.append((char) ch);
ch = read();
}
if (end != 0)
ch = read();
return ch;
}
private boolean isAttributeChar(int ch)
{
switch (ch) {
case ' ': case '\t': case '\n': case '\r':
return false;
case '<': case '>': case '\'':case '"': case '=':
return false;
default:
return true;
}
}
private int parsePI()
throws IOException, SAXException
{
int ch;
ch = read();
if (! XmlChar.isNameStart(ch))
throw error(L.l("expected name after '<?' at {0}. Processing instructions expect a name like <?foo ... ?>", badChar(ch)));
ch = _xmlParser.parseName(_text, ch);
String piName = _text.toString();
if (! piName.equals("xml"))
return parsePITail(piName, ch);
else {
throw error(L.l("<?xml ... ?> occurs after content. The <?xml ... ?> prolog must be at the document start."));
}
}
private int parsePITail(String piName, int ch)
throws IOException, SAXException
{
ch = _xmlParser.skipWhitespace(ch);
_text.clear();
while (ch != -1) {
if (ch == '?') {
if ((ch = read()) == '>')
break;
else
_text.append('?');
} else {
_text.append((char) ch);
ch = read();
}
}
QProcessingInstruction pi;
pi = new QProcessingInstruction(piName, _text.toString());
pi._owner = _dtd._owner;
_dtd.appendChild(pi);
return read();
}
/**
* Parses a comment. The "<!--" has already been read.
*/
private void parseComment()
throws IOException, SAXException
{
int ch = read();
if (ch != '-')
throw error(L.l("expected comment at {0}", badChar(ch)));
ch = read();
comment:
while (ch != -1) {
if (ch == '-') {
ch = read();
while (ch == '-') {
if ((ch = read()) == '>')
break comment;
else if (_strictComments)
throw error(L.l("XML forbids '--' in comments"));
else if (ch == '-') {
}
else {
break;
}
}
} else if (! XmlChar.isChar(ch)) {
throw error(L.l("bad character {0}", hex(ch)));
} else {
ch = read();
}
}
QComment comment = new QComment(_buf.toString());
comment._owner = _dtd._owner;
_dtd.appendChild(comment);
}
/**
* Ignores content to the ']]>'
*/
private void parseIgnore()
throws IOException, SAXException
{
int ch = read();
while (ch >= 0) {
if (ch != ']') {
ch = read();
}
else if ((ch = read()) != ']') {
}
else if ((ch = read()) == '>')
return;
}
}
private int parseContentSpec(QElementDef def, int ch)
throws IOException, SAXException
{
ch = expandPE(ch);
if (XmlChar.isNameStart(ch)) {
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
if (name.equals("EMPTY")) {
def._content = "EMPTY";
return ch;
}
else if (name.equals("ANY")) {
def._content = "ANY";
return ch;
}
else
throw error(L.l("expected EMPTY or ANY at '{0}'", name));
}
else if (ch != '(') {
throw error(L.l("expected grammar definition starting with '(' at {0}. <!ELEMENT> definitions have the syntax <!ELEMENT name - - (grammar)>", badChar(ch)));
}
else {
QContentParticle cp = new QContentParticle();
def._content = cp;
return parseContentParticle(cp, true);
}
}
/**
* Parses a content-particle, i.e. a grammer particle in the DTD
* regexp.
*/
private int parseContentParticle(QContentParticle cp, boolean isTop)
throws IOException, SAXException
{
boolean hasCdata = false;
cp._separator = 0;
cp._repeat = 0;
int ch;
ch = expandPE(read());
for (; ch != -1; ch = expandPE(ch)) {
if (ch == '(') {
QContentParticle child = new QContentParticle();
cp.addChild(child);
ch = parseContentParticle(child, false);
}
else if (XmlChar.isNameStart(ch)) {
ch = _xmlParser.parseName(_text, ch);
cp.addChild(_text.toString());
}
else if (ch == '#') {
ch = _xmlParser.parseName(_text, read());
String name = _text.toString();
if (cp._children.size() != 0)
throw error(L.l("'#{0}' must occur first", name));
if (! isTop)
throw error(L.l("'#{0}' may only occur at top level", name));
if (name.equals("PCDATA"))
cp.addChild("#PCDATA");
else
throw error(L.l("illegal content particle at '#{0}'", name));
hasCdata = true;
}
else
throw error(L.l("expected content particle at {0}", badChar(ch)));
ch = expandPE(ch);
if (ch == '?' || ch == '*' || ch == '+') {
Object child = cp.getChild(cp.getChildSize() - 1);
if (child instanceof QContentParticle) {
QContentParticle cpChild = (QContentParticle) child;
cpChild._repeat = ch;
}
else {
QContentParticle cpChild = new QContentParticle();
cpChild.addChild(child);
cpChild._repeat = ch;
cp.setChild(cp.getChildSize() - 1, cpChild);
}
ch = expandPE(read());
}
if (ch == ')')
break;
else if (cp._separator == 0) {
if (ch == '|')
cp._separator = ch;
else if (hasCdata)
throw error(L.l("#PCDATA must be separated by '|' at {0}",
badChar(ch)));
else if (ch == ',')
cp._separator = ch;
else
throw error(L.l("expected separator at {0}", badChar(ch)));
ch = read();
} else if (ch != cp._separator)
throw error(L.l("expected '{0}' at {1}",
"" + (char) cp._separator, badChar(ch)));
else
ch = read();
}
ch = expandPE(read());
if (hasCdata && (ch == '+' || ch == '?'))
throw error(L.l("pcdata clause can not have {0}", badChar(ch)));
else if (ch == '*' || ch == '+' || ch == '?') {
cp._repeat = ch;
return read();
}
else
return ch;
}
private int expandPE(int ch)
throws IOException, SAXException
{
ch = _xmlParser.skipWhitespace(ch);
while (ch == '%') {
parsePEReference();
ch = _xmlParser.skipWhitespace(read());
}
return ch;
}
/**
* Parses a PE reference %foo; and inserts the macro text to the input
* stream.
*/
private void parsePEReference()
throws IOException, SAXException
{
int ch = _xmlParser.parseName(_buf, read());
if (ch != ';')
throw error(L.l("'%{0};' expects ';' at {1}. Parameter entities have a '%name;' syntax.", _buf, badChar(ch)));
addPEReference(_text, _buf.toString());
}
/**
* Expands the macro value of a PE reference.
*/
private void addPEReference(CharBuffer value, String name)
throws IOException, SAXException
{
QEntity entity = _dtd.getParameterEntity(name);
if (entity == null && ! _dtd.isExternal())
throw error(L.l("'%{0};' is an unknown parameter entity. Parameter entities must be defined in an <!ENTITY> declaration before use.", name));
else if (entity != null && entity._value != null) {
_xmlParser.setMacro(entity._value);
}
else if (entity != null && entity.getSystemId() != null) {
_xmlParser.pushInclude(entity.getPublicId(), entity.getSystemId());
}
else {
value.append("%");
value.append(name);
value.append(";");
}
}
/**
* <!ELEMENT name contentspec>
*/
private void parseElementDecl(QDocumentType doctype)
throws IOException, SAXException
{
int ch = _xmlParser.skipWhitespace(read());
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
QElementDef def = _dtd.addElement(name);
def.setLocation(getSystemId(), getFilename(), getLine(), getColumn());
boolean needsStartTag = true;
boolean needsEndTag = true;
ch = parseContentSpec(def, ch);
ch = _xmlParser.skipWhitespace(ch);
if (ch != '>')
throw error(L.l("'<!ELEMENT' must close with '>' at {0}", badChar(ch)));
}
private static String toAttrDefault(CharBuffer text)
{
for (int i = 0; i < text.length(); i++) {
int ch = text.charAt(i);
if (ch == '"') {
text.delete(i, i + 1);
text.insert(i, """);
i--;
} else if (ch == '\'') {
text.delete(i, i + 1);
text.insert(i, "'");
i--;
}
}
return text.toString();
}
/**
* <!ATTLIST name (attr type def)*>
*/
private void parseAttlistDecl(QDocumentType doctype)
throws IOException, SAXException
{
int ch = _xmlParser.skipWhitespace(read());
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
QElementDef def = _dtd.addElement(name);
while (XmlChar.isNameStart((ch = expandPE(ch)))) {
ch = _xmlParser.parseName(_text, ch);
String attrName = _text.toString();
String attrType = null;
ArrayList<String> enumeration = null;
ch = expandPE(ch);
if (ch == '(') {
attrType = "#ENUM";
enumeration = new ArrayList<String>();
do {
ch = expandPE(read());
ch = parseNameToken(_text, ch);
enumeration.add(_text.toString());
ch = expandPE(ch);
} while (ch == '|');
if (ch != ')')
throw error(L.l("expected '{0}' at {1}. <!ATTRLIST> enumerations definitions are enclosed in '(' ... ')'.", ")", badChar(ch)));
ch = read();
}
else {
ch = _xmlParser.parseName(_text, ch);
attrType = _text.toString();
if (attrType.equals("NOTATION")) {
enumeration = new ArrayList<String>();
ch = expandPE(ch);
if (ch != '(')
throw error(L.l("expected '{0}' at {1}", "(", badChar(ch)));
do {
ch = expandPE(read());
ch = _xmlParser.parseName(_text, ch);
enumeration.add(_text.toString());
ch = expandPE(ch);
} while (ch == '|');
if (ch != ')')
throw error(L.l("expected '{0}' at {1}", ")", badChar(ch)));
ch = read();
}
else if (_attrTypes.get(attrType) != null) {
}
else
throw error(L.l("expected attribute type at '{0}'", attrType));
}
ch = _xmlParser.skipWhitespace(ch);
String qualifier = null;
String attrDefault = null;
if (ch == '#') {
ch = _xmlParser.parseName(_text, read());
qualifier = "#" + _text.toString();
if (qualifier.equals("#IMPLIED")) {
}
else if (qualifier.equals("#REQUIRED")) {
}
else if (qualifier.equals("#FIXED")) {
ch = _xmlParser.skipWhitespace(ch);
ch = parseValue(_text, ch, false);
attrDefault = _text.toString();
} else
throw error(L.l("expected attribute default at '{0}'",
qualifier));
}
else if (ch != '>') {
ch = parseValue(_text, ch, false);
attrDefault = _text.toString();
}
def.addAttribute(attrName, attrType, enumeration,
qualifier, attrDefault);
if (attrType != null && attrType.equals("ID"))
doctype.setElementId(name, attrName);
ch = _xmlParser.skipWhitespace(ch);
}
if (ch != '>')
throw error(L.l("expected '{0}' at {1}", ">", badChar(ch)));
}
/**
* <!NOTATION name systemId publicId>
*/
private void parseNotationDecl(QDocumentType doctype)
throws IOException, SAXException
{
int ch = _xmlParser.skipWhitespace(read());
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
ch = _xmlParser.parseName(_text, ch);
String key = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
ch = parseValue(_text, ch, false);
String id = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
QNotation notation;
if (key.equals("PUBLIC")) {
String systemId = null;
if (ch == '"' || ch == '\'') {
ch = parseValue(_text, ch, false);
ch = _xmlParser.skipWhitespace(ch);
systemId = _text.toString();
}
notation = new QNotation(name, id, systemId);
notation._owner = doctype._owner;
notation.setLocation(getSystemId(), getFilename(), getLine(), getColumn());
}
else if (key.equals("SYSTEM")) {
notation = new QNotation(name, null, id);
notation._owner = doctype._owner;
notation.setLocation(getSystemId(), getFilename(), getLine(), getColumn());
}
else
throw error(L.l("expected PUBLIC or SYSTEM at '{0}'", key));
doctype.addNotation(notation);
doctype.appendChild(notation);
if (ch != '>')
throw error(L.l("expected '{0}' at {1}", ">", badChar(ch)));
}
/**
* externalID ::= PUBLIC publicId systemId
* ::= SYSTEM systemId
*/
private int parseExternalID(int ch)
throws IOException, SAXException
{
ch = _xmlParser.parseName(_text, ch);
String key = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
_extSystemId = null;
_extPublicId = null;
if (key.equals("PUBLIC")) {
ch = parseValue(_text, ch, false);
_extPublicId = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
if (_extPublicId.indexOf('&') > 0)
throw error(L.l("Illegal character '&' in PUBLIC identifier '{0}'",
_extPublicId));
ch = parseValue(_text, ch, false);
ch = _xmlParser.skipWhitespace(ch);
_extSystemId = _text.toString();
}
else if (key.equals("SYSTEM")) {
ch = parseValue(_text, ch, false);
_extSystemId = _text.toString();
}
else
throw error(L.l("expected PUBLIC or SYSTEM at '{0}'", key));
return ch;
}
/**
* <!ENTITY name systemId publicId>
*/
private void parseEntityDecl(QDocumentType doctype)
throws IOException, SAXException
{
int ch = _xmlParser.skipWhitespace(read());
boolean isPe = ch == '%';
if (isPe)
ch = _xmlParser.skipWhitespace(read());
ch = _xmlParser.parseName(_text, ch);
String name = _text.toString();
ch = _xmlParser.skipWhitespace(ch);
QEntity entity;
if (ch == '"' || ch == '\'') {
ch = parseValue(_text, ch, false);
entity = new QEntity(name, _text.toString(), null, null);
entity._owner = doctype._owner;
entity.setLocation(getSystemId(), getFilename(), getLine(), getColumn());
}
else {
ch = parseExternalID(ch);
entity = new QEntity(name, null, _extPublicId, _extSystemId);
entity._owner = doctype._owner;
entity.setLocation(getSystemId(), getFilename(), getLine(), getColumn());
ch = _xmlParser.skipWhitespace(ch);
if (! isPe && XmlChar.isNameStart(ch)) {
ch = _xmlParser.parseName(_text, ch);
String key = _text.toString();
if (key.equals("NDATA")) {
ch = _xmlParser.skipWhitespace(ch);
ch = _xmlParser.parseName(_text, ch);
String ndata = _text.toString();
entity._ndata = ndata;
} else
throw error(L.l("expected 'NDATA' at '{0}'", key));
}
}
entity._isPe = isPe;
if (isPe)
doctype.addParameterEntity(entity);
else
doctype.addEntity(entity);
doctype.appendChild(entity);
ch = _xmlParser.skipWhitespace(ch);
if (ch != '>')
throw error(L.l("expected '>' at {0}", badChar(ch)));
}
private boolean isWhitespace(int ch)
{
return ch <= 0x20 && (ch == 0x20 || ch == 0x9 || ch == 0xa || ch == 0xd);
}
private boolean isChar(int ch)
{
return (ch >= 0x20 && ch <= 0xd7ff ||
ch == 0x9 ||
ch == 0xa ||
ch == 0xd ||
ch >= 0xe000 && ch <= 0xfffd);
}
/**
* Returns the hex representation of a byte.
*/
private static String hex(int value)
{
CharBuffer cb = CharBuffer.allocate();
for (int b = 3; b >= 0; b--) {
int v = (value >> (4 * b)) & 0xf;
if (v < 10)
cb.append((char) (v + '0'));
else
cb.append((char) (v - 10 + 'a'));
}
return cb.close();
}
private int read()
throws IOException, SAXException
{
return _xmlParser.read();
}
public void unread(int ch)
{
_xmlParser.unread(ch);
}
private String getSystemId()
{
return _xmlParser.getSystemId();
}
private String getFilename()
{
return _xmlParser.getFilename();
}
private XmlParseException error(String msg)
{
return _xmlParser.error(msg);
}
private int getLine()
{
return _xmlParser.getLine();
}
private int getColumn()
{
return _xmlParser.getColumn();
}
private String badChar(int ch)
{
return _xmlParser.badChar(ch);
}
static {
_attrTypes.put("CDATA", "CDATA");
_attrTypes.put("ID", "ID");
_attrTypes.put("IDREF", "IDREF");
_attrTypes.put("IDREFS", "IDREFS");
_attrTypes.put("ENTITY", "ENTITY");
_attrTypes.put("ENTITIES", "ENTITIES");
_attrTypes.put("NMTOKEN", "NMTOKEN");
_attrTypes.put("NMTOKENS", "NMTOKENS");
}
}