Examples of org.apache.xerces.util.XMLStringBuffer

org.apache.xerces.util.XMLStringBuffer
XMLString is a structure used to pass character arrays. However, XMLStringBuffer is a buffer in which characters can be appended and extends XMLString so that it can be passed to methods expecting an XMLString object. This is a safe operation because it is assumed that any callee will not modify the contents of the XMLString structure.
The contents of the string are managed by the string buffer. As characters are appended, the string buffer will grow as needed.
Note: Never set the ch, offset, and length fields directly. These fields are managed by the string buffer. In order to reset the buffer, call clear(). @author Stubs generated by DesignDoc on Mon Sep 11 11:10:57 PDT 2000 @author Andy Clark, IBM @author Eric Ye, IBM @version $Id: XMLStringBuffer.java,v 1.1.2.3 2000/10/10 23:24:26 lehors Exp $

        // time and memory. We should be reading chunks and reporting chunks instead 
        // of reading characters individually and reporting all the characters in 
        // one callback. Also, currently we don't provide any locator information:
        // line number, column number, etc... so if we report an error it will appear
        // as if the invalid XML character was in the include parent. -- mrglavas
        XMLStringBuffer buffer = new XMLStringBuffer();
        fReader = getReader(fSource);
        int ch;
        while((ch = fReader.read()) != -1) {
            if (isValid(ch)) {
                buffer.append((char)ch);
            }
            else if (XMLChar.isHighSurrogate(ch)) {
              int ch2 = fReader.read();
              if (XMLChar.isLowSurrogate(ch2)) {


                    // convert surrogates to a supplemental character
                    int sup = XMLChar.supplemental((char)ch, (char)ch2);


                    // supplemental character must be a valid XML character
                    if (!isValid(sup)) {
                        fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN,
                                                   "InvalidCharInContent", 
                                                   new Object[] { Integer.toString(sup, 16) },
                                                   XMLErrorReporter.SEVERITY_FATAL_ERROR);
                        continue;
                    }                 
                    buffer.append((char) ch);
                    buffer.append((char) ch2);
                }
                else {
                    fErrorReporter.reportError(XMLMessageFormatter.XML_DOMAIN,
                                               "InvalidCharInContent", 
                                               new Object[] { Integer.toString(ch, 16) },

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        return;
      }
      if ((this.fNamespaces) && (this.fEntityScanner.peekChar() == 58))
      {
        this.fEntityScanner.scanChar();
        XMLStringBuffer localXMLStringBuffer = new XMLStringBuffer(paramString);
        localXMLStringBuffer.append(":");
        String str = this.fEntityScanner.scanName();
        if (str != null)
          localXMLStringBuffer.append(str);
        reportFatalError("ColonNotLegalWithNS", new Object[] { localXMLStringBuffer.toString() });
        this.fEntityScanner.skipSpaces();
      }
      else
      {
        reportFatalError("SpaceRequiredInPI", null);

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      reportFatalError("MSG_ENTITY_NAME_REQUIRED_IN_ENTITYDECL", null);
    if (!skipSeparator(true, !scanningInternalSubset()))
      if ((this.fNamespaces) && (this.fEntityScanner.peekChar() == 58))
      {
        this.fEntityScanner.scanChar();
        localObject = new XMLStringBuffer(str1);
        ((XMLStringBuffer)localObject).append(":");
        str2 = this.fEntityScanner.scanName();
        if (str2 != null)
          ((XMLStringBuffer)localObject).append(str2);
        reportFatalError("ColonNotLegalWithNS", new Object[] { ((XMLString)localObject).toString() });

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      reportFatalError("MSG_NOTATION_NAME_REQUIRED_IN_NOTATIONDECL", null);
    if (!skipSeparator(true, !scanningInternalSubset()))
      if ((this.fNamespaces) && (this.fEntityScanner.peekChar() == 58))
      {
        this.fEntityScanner.scanChar();
        localObject = new XMLStringBuffer(str1);
        ((XMLStringBuffer)localObject).append(":");
        ((XMLStringBuffer)localObject).append(this.fEntityScanner.scanName());
        reportFatalError("ColonNotLegalWithNS", new Object[] { ((XMLString)localObject).toString() });
        skipSeparator(true, !scanningInternalSubset());
      }

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      protected void scanComment() throws IOException {
         fCurrentEntity.debugBufferIfNeeded("(scanComment: ");
         fEndLineNumber = fCurrentEntity.getLineNumber();
         fEndColumnNumber = fCurrentEntity.getColumnNumber();
         fEndCharacterOffset = fCurrentEntity.getCharacterOffset();
         XMLStringBuffer buffer = new XMLStringBuffer();
         boolean eof = scanMarkupContent(buffer, '-');
         // no --> found, comment with end only with >
         if (eof) {
            fCurrentEntity.resetBuffer(buffer, fEndLineNumber, fEndColumnNumber,
                     fEndCharacterOffset);
            buffer = new XMLStringBuffer(); // take a new one to avoid
                                            // interactions
            while (true) {
               int c = fCurrentEntity.read();
               if (c == -1) {
                  if (fReportErrors) {
                     fErrorReporter.reportError("HTML1007", null);
                  }
                  eof = true;
                  break;
               } else if (c != '>') {
                  buffer.append((char) c);
                  continue;
               } else if (c == '\n' || c == '\r') {
                  fCurrentEntity.rewind();
                  int newlines = skipNewlines();
                  for (int i = 0; i < newlines; i++) {
                     buffer.append('\n');
                  }
                  continue;
               }
               eof = false;
               break;

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         return (sb == null) ? content : sb.toString();
      }


      private void scanScriptContent() throws IOException {


         final XMLStringBuffer buffer = new XMLStringBuffer();
         boolean waitForEndComment = false;
         while (true) {
            int c = fCurrentEntity.read();
            if (c == -1) {
               break;
            } else if (c == '-' && endsWith(buffer, "<!-")) {
               waitForEndComment = endCommentAvailable();
            } else if (!waitForEndComment && c == '<') {
               final String next = nextContent(8) + " ";
               if (next.length() >= 8 && "/script".equalsIgnoreCase(next.substring(0, 7))
                        && ('>' == next.charAt(7) || Character.isWhitespace(next.charAt(7)))) {
                  fCurrentEntity.rewind();
                  break;
               }
            } else if (c == '>' && endsWith(buffer, "--")) {
               waitForEndComment = false;
            }


            if (c == '\r' || c == '\n') {
               fCurrentEntity.rewind();
               int newlines = skipNewlines();
               for (int i = 0; i < newlines; i++) {
                  buffer.append('\n');
               }
            } else {
               buffer.append((char) c);
            }
         }


         if (fScriptStripCommentDelims) {
            reduceToContent(buffer, "<!--", "-->");

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       * 
       * @param the tag for which content is scanned (one of "noscript", "noframes", "iframe")
       * @throws IOException
       */
      private void scanUntilEndTag(final String tagName) throws IOException {
         final XMLStringBuffer buffer = new XMLStringBuffer();
         final String end = "/" + tagName;
         final int lengthToScan = tagName.length() + 2;


         while (true) {
            int c = fCurrentEntity.read();
            if (c == -1) {
               break;
            }
            if (c == '<') {
               final String next = nextContent(lengthToScan) + " ";
               if (next.length() >= lengthToScan
                        && end.equalsIgnoreCase(next.substring(0, end.length()))
                        && ('>' == next.charAt(lengthToScan - 1) || Character.isWhitespace(next.charAt(lengthToScan - 1)))) {
                  fCurrentEntity.rewind();
                  break;
               }
            }
            if (c == '\r' || c == '\n') {
               fCurrentEntity.rewind();
               int newlines = skipNewlines();
               for (int i = 0; i < newlines; i++) {
                  buffer.append('\n');
               }
            } else {
               buffer.append((char) c);
            }
         }
         if (buffer.length > 0 && fDocumentHandler != null) {
            fEndLineNumber = fCurrentEntity.getLineNumber();
            fEndColumnNumber = fCurrentEntity.getColumnNumber();

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