Examples of net.sf.saxon.om.FastStringBuffer

net.sf.saxon.om.FastStringBuffer
A simple implementation of a class similar to StringBuffer. Unlike StringBuffer it is not synchronized. It also offers the capability to remove unused space. (This class could possibly be replaced by StringBuilder in JDK 1.5, but using our own class gives more control.)

        }
        SequenceIterator iter = select.iterate(context);
        if (!isAtomic) {
            iter = Atomizer.getAtomizingIterator(iter);
        }
        FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.SMALL);
        boolean first = true;
        String sep = " ";
        while (true) {
            Item item = iter.next();
            if (item==null) {
                break;
            }
            if (!first) {
                sb.append(sep);
            }
            first = false;
            sb.append(item.getStringValueCS());
        }
        if (first && noNodeIfEmpty) {
            return null;
        }
        return StringValue.makeStringValue(sb.condense());
    }

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     *         (the timezone held within the value).
     */


    public CharSequence getPrimitiveStringValue() {


        FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.TINY);


        appendTwoDigits(sb, hour);
        sb.append(':');
        appendTwoDigits(sb, minute);
        sb.append(':');
        appendTwoDigits(sb, second);
        if (microsecond != 0) {
            sb.append('.');
            int ms = microsecond;
            int div = 100000;
            while (ms > 0) {
                int d = ms / div;
                sb.append((char)(d + '0'));
                ms = ms % div;
                div /= 10;
            }
        }

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        }
    }


    public CharSequence getPrimitiveStringValue() {


        FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.TINY);
        int yr = year;
        if (year <= 0) {
            sb.append('-');
            yr = -yr +1;           // no year zero in lexical space
        }
        appendString(sb, yr, (yr>9999 ? (yr+"").length() : 4));


        if (hasTimezone()) {

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        String rules = " ='-'='*'< a < b < c < d < e < f < g < h < i < j < k < l < m < n < o < p < q < r < s < t < u < v < w < x < y < z";
        RuleBasedCollator collator = new RuleBasedCollator(rules);


        for (int i=0; i<args.length; i++) {
            System.err.println(args[i]);
            FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.MEDIUM);
            CollationElementIterator iter = collator.getCollationElementIterator(args[i]);
            while (true) {
                int e = iter.next();
                if (e==-1) {
                    break;
                }
                sb.append(e+" ");
            }
            System.err.println(sb.toString());
        }




    }

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            return TinyTextImpl.getStringValue(tree, next);
        }


        // now handle the general case


        FastStringBuffer sb = null;
        while (next < tree.numberOfNodes && tree.depth[next] > level) {
            final byte kind = tree.nodeKind[next];
            if (kind==Type.TEXT) {
//                int length = tree.beta[next];
//                int start = tree.alpha[next];
                if (sb==null) {
                    sb = new FastStringBuffer(FastStringBuffer.MEDIUM);
                }
                //sb.append(tree.charBuffer, start, length);
                //sb.append(tree.charBuffer.subSequence(start, start+length));
                sb.append(TinyTextImpl.getStringValue(tree, next));
            } else if (kind==Type.WHITESPACE_TEXT) {
                if (sb==null) {
                    sb = new FastStringBuffer(FastStringBuffer.MEDIUM);
                }
                WhitespaceTextImpl.appendStringValue(tree, next, sb);
            }
            next++;
        }
        if (sb==null) return "";
        return sb.condense();
    }

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     * @return ISO 8601 representation.
     */


    public CharSequence getPrimitiveStringValue() {


        FastStringBuffer sb = new FastStringBuffer(32);
        if (negative) {
            sb.append('-');
        }


        int days = getDays();
        int hours = getHours();
        int minutes = getMinutes();
        int seconds = getSeconds();


        sb.append('P');
        if (days != 0) {
            sb.append(days + "D");
        }
        if (days == 0 || hours != 0 || minutes != 0 || seconds != 0 || microseconds != 0) {
            sb.append('T');
        }
        if (hours != 0) {
            sb.append(hours + "H");
        }
        if (minutes != 0) {
            sb.append(minutes + "M");
        }
        if (seconds != 0 || microseconds != 0 || (days == 0 && minutes == 0 && hours == 0)) {
            if (microseconds == 0) {
                sb.append(seconds + "S");
            } else {
                long ms = (seconds * 1000000) + microseconds;
                String mss = ms + "";
                if (seconds == 0) {
                    mss = "0000000" + mss;
                    mss = mss.substring(mss.length() - 7);
                }
                sb.append(mss.substring(0, mss.length() - 6));
                sb.append('.');
                int lastSigDigit = mss.length() - 1;
                while (mss.charAt(lastSigDigit) == '0') {
                    lastSigDigit--;
                }
                sb.append(mss.substring(mss.length() - 6, lastSigDigit + 1));
                sb.append('S');
            }
        }
        return sb;
    }

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     * Diagnostic output
     */


    public void diagnosticDump() {
        System.err.println("Contents of IntHashSet");
        FastStringBuffer sb = new FastStringBuffer(100);
        for (int i = 0; i < _values.length; i++) {
            if (i % 10 == 0) {
                System.err.println(sb.toString());
                sb.setLength(0);
            }
            if (_values[i] == ndv) {
                sb.append("*, ");
            } else {
                sb.append(_values[i] + ", ");
            }
        }
        System.err.println(sb.toString());
        sb.setLength(0);
        System.err.println("size: " + _size);
        System.err.println("ndv: " + ndv);
        System.err.println("nlo: " + _nlo);
        System.err.println("nhi: " + _nhi);
        System.err.println("nmax: " + _nmax);
        System.err.println("shift: " + _shift);
        System.err.println("mask: " + _mask);
        System.err.println("Result of iterator:");
        IntIterator iter = iterator();
        int i = 0;
        while (iter.hasNext()) {
            if (i++ % 10 == 0) {
                System.err.println(sb.toString());
                sb.setLength(0);
            }
            sb.append(iter.next() + ", ");
        }
        System.err.println(sb.toString());
        System.err.println("=====================");
    }

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    public IntIterator iterator() {
        return new IntRangeSetIterator();
    }


    public String toString() {
        FastStringBuffer sb = new FastStringBuffer(used*8);
        for (int i=0; i<used; i++) {
            sb.append(startPoints[i] + "-" + endPoints[i] + ",");
        }
        return sb.toString();
    }

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     * supplied in the argument, this will be the same buffer.
     */


    public FastStringBuffer uncompress(FastStringBuffer buffer) {
        if (buffer == null) {
            buffer = new FastStringBuffer(length());
        }
        uncompress(value, buffer);
        return buffer;
    }

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     * as the result of casting to a string according to the XPath rules. For xs:double, the canonical
     * representation always uses exponential notation.
     */


    public CharSequence getCanonicalLexicalRepresentation() {
        FastStringBuffer fsb = new FastStringBuffer(FastStringBuffer.TINY);
        return FloatingPointConverter.appendDoubleExponential(fsb, value);
    }

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