Package xbird.xquery.dm.value.literal

Examples of xbird.xquery.dm.value.literal.XNumber.asDouble()

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        final String sourceString = firstItem.stringValue();
        final int maxSourceLen = sourceString.length();
        final Item secItem = argv.getItem(1);
        final XNumber secNum = (XNumber) secItem;
        // first character of a string is located at position 1, not position 0.
        final int startingLoc = Math.max(0, (int) Math.round(secNum.asDouble() - 1));
        final int endingLoc;
        final int arglen = argv.size();
        if(arglen == 3) {
            final Item thirdItem = argv.getItem(2);
            final XNumber thirdNum = (XNumber) thirdItem;
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        final int endingLoc;
        final int arglen = argv.size();
        if(arglen == 3) {
            final Item thirdItem = argv.getItem(2);
            final XNumber thirdNum = (XNumber) thirdItem;
            final int length = (int) Math.round(thirdNum.asDouble());
            endingLoc = Math.max(0, Math.min(maxSourceLen, length));
        } else {
            endingLoc = maxSourceLen;
        }
        if(endingLoc <= startingLoc) {
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                AtomicValue literal = ((LiteralExpr) e).getValue();
                if(literal instanceof XNumber) {
                    DynamicContext probe = DynamicContext.PROBE;
                    probe.setStaticContext(statEnv);
                    XNumber xnum = (XNumber) literal;
                    double xdouble = xnum.asDouble();
                    long xint = xnum.asLong();
                    if(xdouble != xint) {
                        return SequenceExpression.EMPTY_SEQUENCE;
                    }
                    if(xint > Integer.MAX_VALUE) {
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