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/*
* The Apache Software License, Version 1.1
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* 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
*/
/**
* 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>
* </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. */
/** String. */
/** String buffer. */
/** String buffer. */
//
// Constructors
//
/** Default constructor. */
/** Constructor for he use of non-XMLComponentManagers. */
}
//
// 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.
*/
throws IOException, XNIException
{
return false;
}
// 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
skipSpace = true;
}
}
else if (c == quote) {
if (skipSpace) {
// if we finished on a space let's trim it
}
break;
}
fStringBuffer.append((char)c);
skipSpace = false;
}
else if (c == -1) {
return false;
}
else {
dataok = false;
reportFatalError("InvalidCharInPublicID",
}
}
return dataok;
}
/**
* Normalize whitespace in an XMLString converting all whitespace
* characters to space characters.
*/
}
}
}
/**
* Normalize whitespace in an XMLString converting all whitespace
* characters to space characters.
*/
}
}
}
/**
* 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.
*/
}
}
return -1;
}
// returns true if the given character is not
// valid with respect to the version of
// XML understood by this scanner.
} // 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.
} // isInvalidLiteral(int): boolean
// returns true if the given character is
// a valid nameChar with respect to the version of
// XML understood by this scanner.
} // isValidNameChar(int): boolean
// returns true if the given character is
// a valid nameStartChar with respect to the version of
// XML understood by this scanner.
} // 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.
} // 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.
} // 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
} // versionSupported(String): boolean
// returns the error message key for unsupported
// versions of XML with respect to the version of
// XML understood by this scanner.
return "VersionNotSupported11";
} // getVersionNotSupportedKey: String
} // class XML11DTDScannerImpl