Package net.sf.saxon.value

Examples of net.sf.saxon.value.AtomicValue

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                    if (value.indexOf(".") != -1) {
                        value = value.substring(0, value.indexOf("."));
                    }
                }

                AtomicValue value2 = StringValue.convertStringToAtomicType(value, (AtomicType) type2, null).asAtomic();
                if (__log.isDebugEnabled()) {
                    __log.debug("converting " + type + " value " + value + " result: " + value2);
                }
                return value2;
            } catch (ValidationException e) {
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    /**
    * Evaluate in a general context
    */

    public Item evaluateItem(XPathContext c) throws XPathException {
        AtomicValue gp0 = (AtomicValue)argument[0].evaluateItem(c);
        NumericValue gp = (NumericValue)gp0;
        RegexIterator iter = c.getCurrentRegexIterator();
        if (iter == null) {
            return StringValue.EMPTY_STRING;
        }
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    * Evaluate the function in a string context
    */

    public Item evaluateItem(XPathContext c) throws XPathException {

        AtomicValue arg0 = (AtomicValue)argument[0].evaluateItem(c);
        if (arg0==null) {
            arg0 = StringValue.EMPTY_STRING;
        }

        AtomicValue arg2 = (AtomicValue)argument[2].evaluateItem(c);
        CharSequence replacement = arg2.getStringValueCS();
        String msg = checkReplacement(replacement);
        if (msg != null) {
            dynamicError(msg, "FORX0004", c);
        }

        RegularExpression re = regexp;
        if (re == null) {

            AtomicValue arg1 = (AtomicValue)argument[1].evaluateItem(c);

            CharSequence flags;

            if (argument.length == 3) {
                flags = "";
            } else {
                AtomicValue arg3 = (AtomicValue)argument[3].evaluateItem(c);
                flags = arg3.getStringValueCS();
            }

            try {
                final int xmlVersion = c.getConfiguration().getXMLVersion();
                int flagBits = JRegularExpression.setFlags(flags);
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     * about in-scope functions to be available at run-time. However, we keep it because
     * it's handy for some other things such as saxon:evaluate().
    */

    public Item evaluateItem(XPathContext context) throws XPathException {
        AtomicValue av1 = (AtomicValue)argument[0].evaluateItem(context);
        long arity = -1;
        if (argument.length == 2) {
            arity = ((NumericValue)argument[1].evaluateItem(context)).longValue();
        }
        StringValue nameValue = (StringValue)av1;
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    * Evaluate the function
    */

    public Item evaluateItem(XPathContext context) throws XPathException {

        AtomicValue val0 = (AtomicValue)argument[0].evaluateItem(context);
        if (val0 == null) {
            return null;
        }
        NumericValue val = (NumericValue)val0;

        switch (operation) {
            case FLOOR:
                return val.floor();
            case CEILING:
                return val.ceiling();
            case ROUND:
                return val.round();
            case HALF_EVEN:
                int scale = 0;
                if (argument.length==2) {
                    AtomicValue scaleVal0 = (AtomicValue)argument[1].evaluateItem(context);
                    NumericValue scaleVal = (NumericValue)scaleVal0;
                    scale = (int)scaleVal.longValue();
                }
                return val.roundHalfToEven(scale);
            case ABS:
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    * Evaluate the function
    */

    public Item evaluateItem(XPathContext context) throws XPathException {

        AtomicValue av = (AtomicValue)argument[0].evaluateItem(context);
        if (av==null) {
            return StringValue.EMPTY_STRING;
        }
        StringValue sv = (StringValue)av;
        if (sv.isZeroLength()) {
            return StringValue.EMPTY_STRING;
        }

        AtomicValue a1 = (AtomicValue)argument[1].evaluateItem(context);
        NumericValue a = (NumericValue)a1;

        if (argument.length==2) {
            StringValue result = StringValue.makeStringValue(substring(sv, a));
            if (sv.isKnownToContainNoSurrogates()) {
                result.setContainsNoSurrogates();
            }
            return result;
        } else {
            AtomicValue b2 = (AtomicValue)argument[2].evaluateItem(context);
            NumericValue b = (NumericValue)b2;
            StringValue result = StringValue.makeStringValue(substring(sv, a, b, context));
            if (sv.isKnownToContainNoSurrogates()) {
                result.setContainsNoSurrogates();
            }
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    * Evaluate the function to return an iteration of selected nodes.
    */

    public SequenceIterator iterate(XPathContext context) throws XPathException {
        SequenceIterator seq = argument[0].iterate(context);
        AtomicValue n0 = (AtomicValue)argument[1].evaluateItem(context);
        NumericValue n = (NumericValue)n0;
        int pos = (int)n.longValue();
        SequenceIterator ins = argument[2].iterate(context);
        return new InsertIterator(seq, ins, pos);
    }
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                // Add the actual column values to be inserted

                int i = 1;
                for (int c=FIRST_COLUMN; c<arguments.length; c++) {
                    AtomicValue v = (AtomicValue)arguments[c].evaluateItem(context);

               // TODO: the values are all strings. There is no way of adding to a numeric column
                   String val = v.getStringValue();

                   // another hack: setString() doesn't seem to like single-character string values
                   if (val.length()==1) val += " ";
                   //System.err.println("Set statement parameter " + i + " to " + val);
                 ps.setObject(i++, val);
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    * @param context the given context for evaluation
    * @return a boolean representing the result of the numeric comparison of the two operands
    */

    public boolean effectiveBooleanValue(XPathContext context) throws XPathException {
        AtomicValue v1 = (AtomicValue)operand0.evaluateItem(context);
        if (v1==null) {
            return false;
        }
        AtomicValue v2 = (AtomicValue)operand1.evaluateItem(context);
        if (v2==null) {
            return false;
        }

        try {
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            SequenceIterator keys = argument[1].iterate(context);
            SequenceIterator allValues = new MappingIterator(keys, map);
            allResults = new DocumentOrderIterator(allValues, LocalOrderComparer.getInstance());
        } else {
            try {
                AtomicValue keyValue = (AtomicValue)argument[1].evaluateItem(context);
                if (keyValue == null) {
                    return EmptyIterator.getInstance();
                }
                KeyManager keyManager = controller.getKeyManager();
                allResults = keyManager.selectByKey(selectedKeySet, doc, keyValue, context);
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Related Classes of net.sf.saxon.value.AtomicValue

  • net.sf.saxon.expr.AxisAtomizingIterator
  • net.sf.saxon.expr.CastableExpression
  • net.sf.saxon.expr.CastAsQName
  • net.sf.saxon.expr.CastExpression
  • net.sf.saxon.expr.GeneralComparison10
  • net.sf.saxon.expr.IntegerRangeTest
  • net.sf.saxon.expr.RangeExpression
  • net.sf.saxon.expr.SingletonComparison
  • net.sf.saxon.functions.Adjust
  • net.sf.saxon.functions.Available
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