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 $

        // spaces
        if (!skipSeparator(true, !scanningInternalSubset())) {
            // check for invalid ":"
            if(fNamespaces && fEntityScanner.peekChar() == ':') {
                fEntityScanner.scanChar();
                XMLStringBuffer colonName = new XMLStringBuffer(name);
                colonName.append(":");
                colonName.append(fEntityScanner.scanName());
                reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                skipSeparator(true, !scanningInternalSubset());
            } else {
                reportFatalError("MSG_SPACE_REQUIRED_AFTER_NOTATION_NAME_IN_NOTATIONDECL",
                                new Object[]{name});
            }

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                return;
            }
            else {
                if(fNamespaces && fEntityScanner.peekChar() == ':') { 
                    fEntityScanner.scanChar();
                    XMLStringBuffer colonName = new XMLStringBuffer(target);
                    colonName.append(":");
                    String str = fEntityScanner.scanName();
                    if (str != null)
                        colonName.append(str);
                    reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                    fEntityScanner.skipSpaces();
                } else {
                    // if there is data there should be some space
                    reportFatalError("SpaceRequiredInPI", null);
                }

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        }
        // spaces
        if (!skipSeparator(true, !scanningInternalSubset())) {
            if(fNamespaces && fEntityScanner.peekChar() == ':') {
                fEntityScanner.scanChar();
                XMLStringBuffer colonName = new XMLStringBuffer(name);
                colonName.append(":");
                String str = fEntityScanner.scanName();
                if (str != null)
                    colonName.append(str);
                reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                if (!skipSeparator(true, !scanningInternalSubset())) {
                    reportFatalError("MSG_SPACE_REQUIRED_AFTER_ENTITY_NAME_IN_ENTITYDECL",
                             new Object[]{name});
                }
            } else {

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       }


   }


  public void testReduceToContent() throws Exception {
    XMLStringBuffer buffer = new XMLStringBuffer("<!-- hello-->");
    
    HTMLScanner.reduceToContent(buffer, "<!--", "-->");
    assertEquals(" hello", buffer.toString());


    buffer = new XMLStringBuffer("  \n <!-- hello-->\n");
    HTMLScanner.reduceToContent(buffer, "<!--", "-->");
    assertEquals(" hello", buffer.toString());


    buffer = new XMLStringBuffer("hello");
    HTMLScanner.reduceToContent(buffer, "<!--", "-->");
    assertEquals("hello", buffer.toString());


    buffer = new XMLStringBuffer("<!-- hello");
    HTMLScanner.reduceToContent(buffer, "<!--", "-->");
    assertEquals("<!-- hello", buffer.toString());


    buffer = new XMLStringBuffer("<!--->");
    HTMLScanner.reduceToContent(buffer, "<!--", "-->");
    assertEquals("<!--->", buffer.toString());
  }

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         * when feature {@link HTMLScanner#PARSE_NOSCRIPT_CONTENT} is set to false.
         * @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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            }
        }
        
        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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        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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        }
        // spaces
        if (!skipSeparator(true, !scanningInternalSubset())) {
            if(fNamespaces && fEntityScanner.peekChar() == ':') {
                fEntityScanner.scanChar();
                XMLStringBuffer colonName = new XMLStringBuffer(name);
                colonName.append(":");
                String str = fEntityScanner.scanName();
                if (str != null)
                    colonName.append(str);
                reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                if (!skipSeparator(true, !scanningInternalSubset())) {
                    reportFatalError("MSG_SPACE_REQUIRED_AFTER_ENTITY_NAME_IN_ENTITYDECL",
                             new Object[]{name});
                }
            } else {

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        // spaces
        if (!skipSeparator(true, !scanningInternalSubset())) {
            // check for invalid ":"
            if(fNamespaces && fEntityScanner.peekChar() == ':') {
                fEntityScanner.scanChar();
                XMLStringBuffer colonName = new XMLStringBuffer(name);
                colonName.append(":");
                colonName.append(fEntityScanner.scanName());
                reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                skipSeparator(true, !scanningInternalSubset());
            } else {
                reportFatalError("MSG_SPACE_REQUIRED_AFTER_NOTATION_NAME_IN_NOTATIONDECL",
                                new Object[]{name});
            }

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                return;
            }
            else {
                if(fNamespaces && fEntityScanner.peekChar() == ':') { 
                    fEntityScanner.scanChar();
                    XMLStringBuffer colonName = new XMLStringBuffer(target);
                    colonName.append(":");
                    String str = fEntityScanner.scanName();
                    if (str != null)
                        colonName.append(str);
                    reportFatalError("ColonNotLegalWithNS", new Object[] {colonName.toString()});
                    fEntityScanner.skipSpaces();
                } else {
                    // if there is data there should be some space
                    reportFatalError("SpaceRequiredInPI", null);
                }

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