xmlentityscanner.java

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        int offset = fCurrentEntity.position;
        if (XMLChar.isNameStart(fCurrentEntity.ch[offset])) {
            if (++fCurrentEntity.position == fCurrentEntity.count) {
                invokeListeners(1);
                fCurrentEntity.ch[0] = fCurrentEntity.ch[offset];
                offset = 0;
                if (load(1, false)) {
                    fCurrentEntity.columnNumber++;
                    String symbol = fSymbolTable.addSymbol(fCurrentEntity.ch, 0, 1);
                    
                    if (DEBUG_BUFFER) {
                        System.out.print(")scanName: ");
                        print();
                        System.out.println(" -> "+String.valueOf(symbol));
                    }
                    return symbol;
                }
            }
            boolean vc =false;
            while (true ){
                //XMLChar.isName(fCurrentEntity.ch[fCurrentEntity.position])) ;
                char c = fCurrentEntity.ch[fCurrentEntity.position];
                if(c < 127){
                    vc = VALID_NAMES[c];
                }else{
                    vc = XMLChar.isName(c);
                }
                if(!vc)break;
                if (++fCurrentEntity.position == fCurrentEntity.count) {
                    int length = fCurrentEntity.position - offset;
                    invokeListeners(length);
                    if (length == fCurrentEntity.fBufferSize) {
                        // bad luck we have to resize our buffer
                        char[] tmp = new char[fCurrentEntity.fBufferSize * 2];
                        System.arraycopy(fCurrentEntity.ch, offset,
                                tmp, 0, length);
                        fCurrentEntity.ch = tmp;
                        fCurrentEntity.fBufferSize *= 2;
                    } else {
                        System.arraycopy(fCurrentEntity.ch, offset,
                                fCurrentEntity.ch, 0, length);
                    }
                    offset = 0;
                    if (load(length, false)) {
                        break;
                    }
                }
            }
        }
        int length = fCurrentEntity.position - offset;
        fCurrentEntity.columnNumber += length;
        
        // return name
        String symbol;
        if (length > 0) {
            symbol = fSymbolTable.addSymbol(fCurrentEntity.ch, offset, length);
        } else
            symbol = null;
        if (DEBUG_BUFFER) {
            System.out.print(")scanName: ");
            print();
            System.out.println(" -> "+String.valueOf(symbol));
        }
        return symbol;
        
    } // scanName():String
    
    /**
     * Scans a qualified name from the input, setting the fields of the
     * QName structure appropriately.
     * <p>
     * <strong>Note:</strong> The qualified name characters are consumed.
     * <p>
     * <strong>Note:</strong> The strings used to set the values of the
     * QName structure must be symbols. The SymbolTable can be used for
     * this purpose.
     *
     * @param qname The qualified name structure to fill.
     *
     * @return Returns true if a qualified name appeared immediately on
     *         the input and was scanned, false otherwise.
     *
     * @throws IOException  Thrown if i/o error occurs.
     * @throws EOFException Thrown on end of file.
     *
     * @see com.sun.org.apache.xerces.internal.util.SymbolTable
     * @see com.sun.org.apache.xerces.internal.util.XMLChar#isName
     * @see com.sun.org.apache.xerces.internal.util.XMLChar#isNameStart
     */
    public boolean scanQName(QName qname) throws IOException {
        if (DEBUG_BUFFER) {
            System.out.print("(scanQName, "+qname+": ");
            print();
            System.out.println();
        }
        
        // load more characters, if needed
        if (fCurrentEntity.position == fCurrentEntity.count) {
            invokeListeners(0);
            load(0, true);
        }
        
        // scan qualified name
        int offset = fCurrentEntity.position;
        
        //making a check if if the specified character is a valid name start character
        //as defined by production [5] in the XML 1.0 specification.
        // Name ::= (Letter | '_' | ':') (NameChar)*
        
        if (XMLChar.isNameStart(fCurrentEntity.ch[offset])) {
            if (++fCurrentEntity.position == fCurrentEntity.count) {
                invokeListeners(1);
                fCurrentEntity.ch[0] = fCurrentEntity.ch[offset];
                offset = 0;
                
                if (load(1, false)) {
                    fCurrentEntity.columnNumber++;
                    //adding into symbol table.
                    //XXX We are trying to add single character in SymbolTable??????
                    String name = fSymbolTable.addSymbol(fCurrentEntity.ch, 0, 1);
                    qname.setValues(null, name, name, null);
                    if (DEBUG_BUFFER) {
                        System.out.print(")scanQName, "+qname+": ");
                        print();
                        System.out.println(" -> true");
                    }
                    return true;
                }
            }
            int index = -1;
            boolean vc = false;
            while ( true){
                
                //XMLChar.isName(fCurrentEntity.ch[fCurrentEntity.position])) ;
                char c = fCurrentEntity.ch[fCurrentEntity.position];
                if(c < 127){
                    vc = VALID_NAMES[c];
                }else{
                    vc = XMLChar.isName(c);
                }
                if(!vc)break;
                if (c == ':') {
                    if (index != -1) {
                        break;
                    }
                    index = fCurrentEntity.position;
                }
                if (++fCurrentEntity.position == fCurrentEntity.count) {
                    int length = fCurrentEntity.position - offset;
                    invokeListeners(length);
                    if (length == fCurrentEntity.fBufferSize) {
                        // bad luck we have to resize our buffer
                        char[] tmp = new char[fCurrentEntity.fBufferSize * 2];
                        System.arraycopy(fCurrentEntity.ch, offset,
                                tmp, 0, length);
                        fCurrentEntity.ch = tmp;
                        fCurrentEntity.fBufferSize *= 2;
                    } else {
                        System.arraycopy(fCurrentEntity.ch, offset,
                                fCurrentEntity.ch, 0, length);
                    }
                    if (index != -1) {
                        index = index - offset;
                    }
                    offset = 0;
                    if (load(length, false)) {
                        break;
                    }
                }
            }
            int length = fCurrentEntity.position - offset;
            fCurrentEntity.columnNumber += length;
            if (length > 0) {
                String prefix = null;
                String localpart = null;
                String rawname = fSymbolTable.addSymbol(fCurrentEntity.ch,
                        offset, length);
                
                if (index != -1) {
                    int prefixLength = index - offset;
                    prefix = fSymbolTable.addSymbol(fCurrentEntity.ch,
                            offset, prefixLength);
                    int len = length - prefixLength - 1;
                    localpart = fSymbolTable.addSymbol(fCurrentEntity.ch,
                            index + 1, len);
                    
                } else {
                    localpart = rawname;
                }
                qname.setValues(prefix, localpart, rawname, null);
                if (DEBUG_BUFFER) {
                    System.out.print(")scanQName, "+qname+": ");
                    print();
                    System.out.println(" -> true");
                }
                return true;
            }
        }
        
        // no qualified name found
        if (DEBUG_BUFFER) {
            System.out.print(")scanQName, "+qname+": ");
            print();
            System.out.println(" -> false");
        }
        return false;
        
    } // scanQName(QName):boolean
    
    /**
     * CHANGED:
     * Scans a range of parsed character data, This function appends the character data to
     * the supplied buffer.
     * <p>
     * <strong>Note:</strong> The characters are consumed.
     * <p>
     * <strong>Note:</strong> This method does not guarantee to return
     * the longest run of parsed character data. This method may return
     * before markup due to reaching the end of the input buffer or any
     * other reason.
     * <p>
     *
     * @param content The content structure to fill.
     *
     * @return Returns the next character on the input, if known. This
     *         value may be -1 but this does <em>note</em> designate
     *         end of file.
     *
     * @throws IOException  Thrown if i/o error occurs.
     * @throws EOFException Thrown on end of file.
     */
    public int scanContent(XMLString content) throws IOException {
        if (DEBUG_BUFFER) {
            System.out.print("(scanContent: ");
            print();
            System.out.println();
        }
        
        // load more characters, if needed
        if (fCurrentEntity.position == fCurrentEntity.count) {
            invokeListeners(0);
            load(0, true);
        } else if (fCurrentEntity.position == fCurrentEntity.count - 1) {
            invokeListeners(0);
            fCurrentEntity.ch[0] = fCurrentEntity.ch[fCurrentEntity.count - 1];
            load(1, false);
            fCurrentEntity.position = 0;
        }
        
        // normalize newlines
        int offset = fCurrentEntity.position;
        int c = fCurrentEntity.ch[offset];
        int newlines = 0;
        if (c == '\n' || (c == '\r' && isExternal)) {
            if (DEBUG_BUFFER) {
                System.out.print("[newline, "+offset+", "+fCurrentEntity.position+": ");
                print();
                System.out.println();
            }
            do {
                c = fCurrentEntity.ch[fCurrentEntity.position++];
                if (c == '\r' && isExternal) {
                    newlines++;
                    fCurrentEntity.lineNumber++;
                    fCurrentEntity.columnNumber = 1;
                    if (fCurrentEntity.position == fCurrentEntity.count) {
                        offset = 0;
                        invokeListeners(newlines);
                        fCurrentEntity.position = newlines;
                        if (load(newlines, false)) {
                            break;
                        }
                    }
                    if (fCurrentEntity.ch[fCurrentEntity.position] == '\n') {
                        fCurrentEntity.position++;
                        offset++;
                    }
                    /*** NEWLINE NORMALIZATION ***/
                    else {
                        newlines++;
                    }
                } else if (c == '\n') {
                    newlines++;
                    fCurrentEntity.lineNumber++;
                    fCurrentEntity.columnNumber = 1;
                    if (fCurrentEntity.position == fCurrentEntity.count) {
                        offset = 0;
                        invokeListeners(newlines);
                        fCurrentEntity.position = newlines;
                        if (load(newlines, false)) {
                            break;
                        }
                    }
                } else {
                    fCurrentEntity.position--;
                    break;
                }
            } while (fCurrentEntity.position < fCurrentEntity.count - 1);
            for (int i = offset; i < fCurrentEntity.position; i++) {
                fCurrentEntity.ch[i] = '\n';
            }
            int length = fCurrentEntity.position - offset;
            if (fCurrentEntity.position == fCurrentEntity.count - 1) {
                //CHANGED: dont replace the value.. append to the buffer. This gives control to the callee
                //on buffering the data..
                content.setValues(fCurrentEntity.ch, offset, length);
                //content.append(fCurrentEntity.ch, offset, length);
                if (DEBUG_BUFFER) {
                    System.out.print("]newline, "+offset+", "+fCurrentEntity.position+": ");
                    print();
                    System.out.println();
                }
                return -1;
            }
            if (DEBUG_BUFFER) {
                System.out.print("]newline, "+offset+", "+fCurrentEntity.position+": ");
                print();
                System.out.println();
            }
        }
        
        while (fCurrentEntity.position < fCurrentEntity.count) {
            c = fCurrentEntity.ch[fCurrentEntity.position++];
            if (!XMLChar.isContent(c)) {
                fCurrentEntity.position--;
                break;
            }
        }
        int length = fCurrentEntity.position - offset;
        fCurrentEntity.columnNumber += length - newlines;
        
        //CHANGED: dont replace the value.. append to the buffer. This gives control to the callee
        //on buffering the data..
        content.setValues(fCurrentEntity.ch, offset, length);
        //content.append(fCurrentEntity.ch, offset, length);