--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/com/sun/org/apache/xerces/internal/impl/XML11DTDScannerImpl.java Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,307 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * The Apache Software License, Version 1.1
+ *
+ *
+ * Copyright (c) 1999-2004 The Apache Software Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Xerces" and "Apache Software Foundation" must
+ * not be used to endorse or promote products derived from this
+ * software without prior written permission. For written
+ * permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * nor may "Apache" appear in their name, without prior written
+ * permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation and was
+ * originally based on software copyright (c) 1999, International
+ * Business Machines, Inc., http://www.apache.org. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+package com.sun.org.apache.xerces.internal.impl;
+
+import java.io.IOException;
+
+import com.sun.org.apache.xerces.internal.util.SymbolTable;
+import com.sun.org.apache.xerces.internal.util.XML11Char;
+import com.sun.org.apache.xerces.internal.util.XMLChar;
+import com.sun.org.apache.xerces.internal.util.XMLStringBuffer;
+import com.sun.org.apache.xerces.internal.xni.XMLString;
+import com.sun.org.apache.xerces.internal.xni.XNIException;
+
+/**
+ * This class is responsible for scanning the declarations found
+ * in the internal and external subsets of a DTD in an XML document.
+ * The scanner acts as the sources for the DTD information which is
+ * communicated to the DTD handlers.
+ * <p>
+ * This component requires the following features and properties from the
+ * component manager that uses it:
+ * <ul>
+ * <li>http://xml.org/sax/features/validation</li>
+ * <li>http://apache.org/xml/features/scanner/notify-char-refs</li>
+ * <li>http://apache.org/xml/properties/internal/symbol-table</li>
+ * <li>http://apache.org/xml/properties/internal/error-reporter</li>
+ * <li>http://apache.org/xml/properties/internal/entity-manager</li>
+ * </ul>
+ *
+ * @xerces.internal
+ *
+ * @author Arnaud Le Hors, IBM
+ * @author Andy Clark, IBM
+ * @author Glenn Marcy, IBM
+ * @author Eric Ye, IBM
+ *
+ */
+public class XML11DTDScannerImpl
+ extends XMLDTDScannerImpl {
+
+ /** Array of 3 strings. */
+ private String[] fStrings = new String[3];
+
+ /** String. */
+ private XMLString fString = new XMLString();
+
+ /** String buffer. */
+ private XMLStringBuffer fStringBuffer = new XMLStringBuffer();
+
+ /** String buffer. */
+ private XMLStringBuffer fStringBuffer2 = new XMLStringBuffer();
+ private XMLStringBuffer fStringBuffer3 = new XMLStringBuffer();
+
+ //
+ // Constructors
+ //
+
+ /** Default constructor. */
+ public XML11DTDScannerImpl() {super();} // <init>()
+
+ /** Constructor for he use of non-XMLComponentManagers. */
+ public XML11DTDScannerImpl(SymbolTable symbolTable,
+ XMLErrorReporter errorReporter, XMLEntityManager entityManager) {
+ super(symbolTable, errorReporter, entityManager);
+ }
+
+ //
+ // XMLDTDScanner methods
+ //
+
+ //
+ // XMLScanner methods
+ //
+ // NOTE: this is a carbon copy of the code in XML11DocumentScannerImpl;
+ // we need to override these methods in both places. Ah for
+ // multiple inheritance...
+ // This needs to be refactored!!! - NG
+ /**
+ * Scans public ID literal.
+ *
+ * [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
+ * [13] PubidChar::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]
+ *
+ * The returned string is normalized according to the following rule,
+ * from http://www.w3.org/TR/REC-xml#dt-pubid:
+ *
+ * Before a match is attempted, all strings of white space in the public
+ * identifier must be normalized to single space characters (#x20), and
+ * leading and trailing white space must be removed.
+ *
+ * @param literal The string to fill in with the public ID literal.
+ * @return True on success.
+ *
+ * <strong>Note:</strong> This method uses fStringBuffer, anything in it at
+ * the time of calling is lost.
+ */
+ protected boolean scanPubidLiteral(XMLString literal)
+ throws IOException, XNIException
+ {
+ int quote = fEntityScanner.scanChar();
+ if (quote != '\'' && quote != '"') {
+ reportFatalError("QuoteRequiredInPublicID", null);
+ return false;
+ }
+
+ fStringBuffer.clear();
+ // skip leading whitespace
+ boolean skipSpace = true;
+ boolean dataok = true;
+ while (true) {
+ int c = fEntityScanner.scanChar();
+ // REVISIT: it could really only be \n or 0x20; all else is normalized, no? - neilg
+ if (c == ' ' || c == '\n' || c == '\r' || c == 0x85 || c == 0x2028) {
+ if (!skipSpace) {
+ // take the first whitespace as a space and skip the others
+ fStringBuffer.append(' ');
+ skipSpace = true;
+ }
+ }
+ else if (c == quote) {
+ if (skipSpace) {
+ // if we finished on a space let's trim it
+ fStringBuffer.length--;
+ }
+ literal.setValues(fStringBuffer);
+ break;
+ }
+ else if (XMLChar.isPubid(c)) {
+ fStringBuffer.append((char)c);
+ skipSpace = false;
+ }
+ else if (c == -1) {
+ reportFatalError("PublicIDUnterminated", null);
+ return false;
+ }
+ else {
+ dataok = false;
+ reportFatalError("InvalidCharInPublicID",
+ new Object[]{Integer.toHexString(c)});
+ }
+ }
+ return dataok;
+ }
+
+ /**
+ * Normalize whitespace in an XMLString converting all whitespace
+ * characters to space characters.
+ */
+ protected void normalizeWhitespace(XMLString value) {
+ int end = value.offset + value.length;
+ for (int i = value.offset; i < end; ++i) {
+ int c = value.ch[i];
+ if (XMLChar.isSpace(c)) {
+ value.ch[i] = ' ';
+ }
+ }
+ }
+
+ /**
+ * Normalize whitespace in an XMLString converting all whitespace
+ * characters to space characters.
+ */
+ protected void normalizeWhitespace(XMLString value, int fromIndex) {
+ int end = value.offset + value.length;
+ for (int i = value.offset + fromIndex; i < end; ++i) {
+ int c = value.ch[i];
+ if (XMLChar.isSpace(c)) {
+ value.ch[i] = ' ';
+ }
+ }
+ }
+
+ /**
+ * Checks whether this string would be unchanged by normalization.
+ *
+ * @return -1 if the value would be unchanged by normalization,
+ * otherwise the index of the first whitespace character which
+ * would be transformed.
+ */
+ protected int isUnchangedByNormalization(XMLString value) {
+ int end = value.offset + value.length;
+ for (int i = value.offset; i < end; ++i) {
+ int c = value.ch[i];
+ if (XMLChar.isSpace(c)) {
+ return i - value.offset;
+ }
+ }
+ return -1;
+ }
+
+ // returns true if the given character is not
+ // valid with respect to the version of
+ // XML understood by this scanner.
+ protected boolean isInvalid(int value) {
+ return (!XML11Char.isXML11Valid(value));
+ } // isInvalid(int): boolean
+
+ // returns true if the given character is not
+ // valid or may not be used outside a character reference
+ // with respect to the version of XML understood by this scanner.
+ protected boolean isInvalidLiteral(int value) {
+ return (!XML11Char.isXML11ValidLiteral(value));
+ } // isInvalidLiteral(int): boolean
+
+ // returns true if the given character is
+ // a valid nameChar with respect to the version of
+ // XML understood by this scanner.
+ protected boolean isValidNameChar(int value) {
+ return (XML11Char.isXML11Name(value));
+ } // isValidNameChar(int): boolean
+
+ // returns true if the given character is
+ // a valid nameStartChar with respect to the version of
+ // XML understood by this scanner.
+ protected boolean isValidNameStartChar(int value) {
+ return (XML11Char.isXML11NameStart(value));
+ } // isValidNameStartChar(int): boolean
+
+ // returns true if the given character is
+ // a valid NCName character with respect to the version of
+ // XML understood by this scanner.
+ protected boolean isValidNCName(int value) {
+ return (XML11Char.isXML11NCName(value));
+ } // isValidNCName(int): boolean
+
+ // returns true if the given character is
+ // a valid high surrogate for a nameStartChar
+ // with respect to the version of XML understood
+ // by this scanner.
+ protected boolean isValidNameStartHighSurrogate(int value) {
+ return XML11Char.isXML11NameHighSurrogate(value);
+ } // isValidNameStartHighSurrogate(int): boolean
+
+ // note that, according to 4.3.4 of the XML 1.1 spec, XML 1.1
+ // documents may invoke 1.0 entities; thus either version decl (or none!)
+ // is allowed to appear in this context
+ protected boolean versionSupported(String version) {
+ return version.equals("1.1") || version.equals ("1.0");
+ } // versionSupported(String): boolean
+
+ // returns the error message key for unsupported
+ // versions of XML with respect to the version of
+ // XML understood by this scanner.
+ protected String getVersionNotSupportedKey () {
+ return "VersionNotSupported11";
+ } // getVersionNotSupportedKey: String
+
+} // class XML11DTDScannerImpl