Examples of net.sf.saxon.trans.DecimalFormatManager

net.sf.saxon.trans.DecimalFormatManager
DecimalFormatManager manages the collection of named and unnamed decimal formats, for use by the format-number() function.
In XSLT, there is a single set of decimal formats shared by the whole stylesheet. In XQuery 1.1, however, each query module has its own set of decimal formats. The DecimalFormatManager to use is therefore linked from the format-number() call on the expression tree.
@author Michael H. Kay

        checked = true;
        super.checkArguments(visitor);
        decimalFormatManager = env.getDecimalFormatManager();
        if (decimalFormatManager == null) {
            // create a decimal format manager which will allow a "default default" format only
            decimalFormatManager = new DecimalFormatManager();
        }
        if (argument[1] instanceof StringLiteral) {
            // picture is known statically - optimize for this common case
            picture = ((StringLiteral)argument[1]).getStringValue();
        }

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            av0 = DoubleValue.NaN;
        }
        NumericValue number = (NumericValue)av0;


        if (dfs == null) {
            DecimalFormatManager dfm = decimalFormatManager;
            if (numArgs==2) {
                dfs = dfm.getDefaultDecimalFormat();
            } else {
                // the decimal-format name was given as a run-time expression
                String lexicalName = argument[2].evaluateItem(context).getStringValue();
                StructuredQName qName = null;
                try {
                    qName = StructuredQName.fromLexicalQName(lexicalName, false,
                        context.getConfiguration().getNameChecker(), nsContext);
                } catch (XPathException e) {
                    XPathException err = new XPathException("Invalid decimal format name. " + e.getMessage());
                    err.setErrorCode("XTDE1280");
                    err.setLocator(this);
                    err.setXPathContext(context);
                    throw err;
                }


                dfs = dfm.getNamedDecimalFormat(qName);
                if (dfs==null) {
                    XPathException err = new XPathException("format-number function: decimal-format '" + lexicalName + "' is not defined");
                    err.setErrorCode("XTDE1280");
                    err.setLocator(this);
                    err.setXPathContext(context);

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     *         formats are not supported in this environment.
     */


    public DecimalFormatManager getDecimalFormatManager() {
        if (decimalFormatManager == null) {
            decimalFormatManager = new DecimalFormatManager();
        }
        return decimalFormatManager;
    }

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    public void index(XSLStylesheet top) throws XPathException
    {
        prepareAttributes();
        DecimalSymbols d = makeDecimalFormatSymbols();
        DecimalFormatManager dfm = getPreparedStylesheet().getDecimalFormatManager();
        if (name==null) {
            try {
                dfm.setDefaultDecimalFormat(d, getPrecedence());
            } catch (XPathException err) {
                compileError(err.getMessage(), err.getErrorCodeQName());
            }
        } else {
            try {
                StructuredQName formatName = makeQName(name);
                try {
                    dfm.setNamedDecimalFormat(formatName, d, getPrecedence());
                } catch (XPathException err) {
                    compileError(err.getMessage(), err.getErrorCodeQName());
                }
            } catch (XPathException err) {
                compileError("Invalid decimal format name. " + err.getMessage(), "XTSE0020");

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     * @return the DecimalFormatManager containing the named xsl:decimal-format definitions
     */


    public DecimalFormatManager getDecimalFormatManager() {
        if (decimalFormatManager == null) {
            decimalFormatManager = new DecimalFormatManager();
        }
        return decimalFormatManager;
    }

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    */


    public String evaluateAsString(XPathContext context) throws XPathException {
        int numArgs = argument.length;
        Controller ctrl = context.getController();
        DecimalFormatManager dfm = ctrl.getDecimalFormatManager();
        DecimalFormatSymbols dfs;


        AtomicValue av0 = (AtomicValue)argument[0].evaluateItem(context);
        NumericValue number = (NumericValue)av0.getPrimitiveValue();
        String format = argument[1].evaluateItem(context).getStringValue();


        if (numArgs==2) {
            dfs = dfm.getDefaultDecimalFormat();
        } else {
            String uri = dfURI;
            String localName = dfLocalName;
            if (localName==null) {
                // the decimal-format name was given as a run-time expression
                String qname = argument[2].evaluateItem(context).getStringValue();
                if (!Name.isQName(qname)) {
                    DynamicError e = new DynamicError("Decimal format name '" + qname + "' is not a valid QName");
                    e.setXPathContext(context);
                    e.setErrorCode("XT1280");
                    throw e;
                }
                try {
                    String[] parts = Name.getQNameParts(qname);
                    localName = parts[1];
                    uri = nsContext.getURIForPrefix(parts[0], false);
                    if (uri==null) {
                        DynamicError e = new DynamicError("Namespace prefix '" + parts[0] + "' has not been defined");
                        e.setXPathContext(context);
                        e.setErrorCode("XT1280");
                        throw e;
                    }
                } catch (QNameException e) {
                    dynamicError("Invalid decimal format name. " + e.getMessage(), "XT1280", context);
                }
            }
            dfs = dfm.getNamedDecimalFormat(uri, localName);
            if (dfs==null) {
                DynamicError e = new DynamicError(
                    "format-number function: decimal-format '" + localName + "' is not defined");
                e.setXPathContext(context);
                e.setErrorCode("XT1280");

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                    dfURI = env.getURIForPrefix(parts[0]);
                } catch (QNameException e) {
                    throw new StaticError("Invalid decimal format name. " + e.getMessage());
                }


                DecimalFormatManager dfm = ((ExpressionContext)env).getXSLStylesheet().getDecimalFormatManager();
                requireFixup = true;
                dfm.registerUsage(dfURI, dfLocalName, this);
                    // this causes a callback to the fixup() method, either now, or later if it's a forwards reference
            } else {
                // we need to save the namespace context
                nsContext = env.getNamespaceResolver();
            }
        } else {
            // two arguments only: it uses the default decimal format
            if (env instanceof ExpressionContext) {
                // this is XSLT
                DecimalFormatManager dfm = ((ExpressionContext)env).getXSLStylesheet().getDecimalFormatManager();
                dfm.registerUsage("", "", this);
                // Note: if using the "default default", there will be no fixup call.
            } else {
                // using saxon:decimal-format in some other environment
            }
        }

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        }
        if (patternSeparator!=null) {
            d.setPatternSeparator(toChar(patternSeparator));
        }


        DecimalFormatManager dfm = getPrincipalStylesheet().getDecimalFormatManager();
        if (name==null) {
            try {
                dfm.setDefaultDecimalFormat(d);
            } catch (TransformerConfigurationException err) {
                compileError(err.getMessage());
            }
        } else {
            try {
                makeNameCode(name);   // checks for reserved namespaces
                String[] parts = Name.getQNameParts(name);
              String uri = getURIForPrefix(parts[0], false);
                try {
                    dfm.setNamedDecimalFormat(uri, parts[1], d);
                } catch (TransformerConfigurationException err) {
                    compileError(err.getMessage());
                }
            } catch (XPathException err) {
                compileError("Invalid decimal format name. " + err.getMessage());

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    * @return the DecimalFormatManager containing the named xsl:decimal-format definitions
    */


    public DecimalFormatManager getDecimalFormatManager() {
        if (decimalFormatManager==null) {
            decimalFormatManager = new DecimalFormatManager();
        }
        return decimalFormatManager;
    }

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            if (requireFixup) {
                // we registered for a fixup, but none came
                dynamicError("Unknown decimal format name", "XT1280", context);
                return null;
            }
            DecimalFormatManager dfm = ctrl.getDecimalFormatManager();
            if (numArgs==2) {
                dfs = dfm.getDefaultDecimalFormat();
            } else {
                // the decimal-format name was given as a run-time expression
                String qname = argument[2].evaluateItem(context).getStringValue();
                try {
                    String[] parts = Name.getQNameParts(qname);
                    String localName = parts[1];
                    String uri = nsContext.getURIForPrefix(parts[0], false);
                    if (uri==null) {
                        dynamicError("Namespace prefix '" + parts[0] + "' has not been defined", "XT1280", context);
                        return null;
                    }
                    dfs = dfm.getNamedDecimalFormat(uri, localName);
                    if (dfs==null) {
                        dynamicError(
                            "format-number function: decimal-format '" + localName + "' is not defined", "XT1280", context);
                        return null;
                    }

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