Package net.sf.saxon.query

Examples of net.sf.saxon.query.XQueryFunction

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    public XQueryFunction getDeclaration(StructuredQName functionName, Expression[] staticArgs) {
        for (Iterator it=libraryList.iterator(); it.hasNext();) {
            FunctionLibrary lib = (FunctionLibrary)it.next();
            if (lib instanceof XQueryFunctionBinder) {
                XQueryFunction func = ((XQueryFunctionBinder)lib).getDeclaration(functionName, staticArgs);
                if (func != null) {
                    return func;
                }
            }
        }
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            // registered against these functions.
            try {
                //queryFunctions.bindUnboundFunctionCalls();
                Iterator qf = queryFunctions.getFunctionDefinitions();
                while (qf.hasNext()) {
                    XQueryFunction f = (XQueryFunction) qf.next();
                    f.fixupReferences(getStaticContext());
                }
            } catch (XPathException e) {
                compileError(e);
            }
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            short ns = importedModule.getModuleNamespaceCode();
            NamePool pool = getTargetNamePool();
            Iterator it = importedModule.getFunctionDefinitions();
            while (it.hasNext()) {
                XQueryFunction def = (XQueryFunction)it.next();
                // don't import functions transitively
                if (pool.getURICode(def.getFunctionFingerprint()) == ns) {
                    top.declareXQueryFunction(def);
                }
                // Note, we are not importing global variables at present
            }
        } catch (XPathException err) {
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            // registered against these functions.
            try {
                queryFunctions.bindUnboundFunctionCalls();
                Iterator qf = queryFunctions.getFunctionDefinitions();
                while (qf.hasNext()) {
                    XQueryFunction f = (XQueryFunction) qf.next();
                    f.fixupReferences(getStaticContext());
                }
            } catch (XPathException e) {
                compileError(e);
            }
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                }
                if (referees.get(i + 1) instanceof GlobalVariable) {
                    GlobalVariable next = (GlobalVariable)referees.get(i + 1);
                    message += " uses $" + next.getVariableQName().getDisplayName();
                } else if (referees.get(i + 1) instanceof XQueryFunction) {
                    XQueryFunction next = (XQueryFunction)referees.get(i + 1);
                    message += " calls " + next.getFunctionName().getDisplayName() +
                            "#" + next.getNumberOfArguments() + "()";
                }
            }
            message += '.';
            XPathException err = new XPathException(message);
            err.setErrorCode("XQST0054");
            err.setIsStaticError(true);
            err.setLocator(this);
            throw err;
        }
        if (select != null) {
            referees.push(this);
            List list = new ArrayList(10);
            ExpressionTool.gatherReferencedVariables(select, list);
            for (int i=0; i<list.size(); i++) {
                Binding b = (Binding)list.get(i);
                if (b instanceof GlobalVariable) {
                    ((GlobalVariable)b).lookForCycles(referees, globalFunctionLibrary);
                }
            }
            list.clear();
            ExpressionTool.gatherCalledFunctionNames(select, list);
            for (int i=0; i<list.size(); i++) {
                XQueryFunction f = globalFunctionLibrary.getDeclarationByKey((String)list.get(i));
                if (!referees.contains(f)) {
                    // recursive function calls are allowed
                    lookForFunctionCycles(f, referees, globalFunctionLibrary);
                }
            }
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            }
        }
        list.clear();
        ExpressionTool.gatherCalledFunctionNames(body, list);
        for (int i=0; i<list.size(); i++) {
            XQueryFunction qf = globalFunctionLibrary.getDeclarationByKey((String)list.get(i));
            if (!referees.contains(qf)) {
                // recursive function calls are allowed
                lookForFunctionCycles(qf, referees, globalFunctionLibrary);
            }
        }
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            // Do the importing

            Iterator it = importedModule.getGlobalFunctionLibrary().getFunctionDefinitions();
            while (it.hasNext()) {
                XQueryFunction def = (XQueryFunction)it.next();
                // don't import functions transitively
                if (def.getFunctionName().getNamespaceURI().equals(moduleURI)) {
                    top.declareXQueryFunction(def);
                }
                // Note, we are not importing global variables at present
            }
        } catch (XPathException err) {
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            // registered against these functions.
            try {
                //queryFunctions.bindUnboundFunctionCalls();
                Iterator qf = queryFunctions.getFunctionDefinitions();
                while (qf.hasNext()) {
                    XQueryFunction f = (XQueryFunction) qf.next();
                    f.fixupReferences(getStaticContext());
                }
            } catch (XPathException e) {
                compileError(e);
            }
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                }
                if (referees.get(i + 1) instanceof GlobalVariable) {
                    GlobalVariable next = (GlobalVariable)referees.get(i + 1);
                    message += " uses $" + next.getVariableQName().getDisplayName();
                } else if (referees.get(i + 1) instanceof XQueryFunction) {
                    XQueryFunction next = (XQueryFunction)referees.get(i + 1);
                    message += " calls " + next.getFunctionName().getDisplayName() +
                            "#" + next.getNumberOfArguments() + "()";
                }
            }
            message += '.';
            XPathException err = new XPathException(message);
            err.setErrorCode("XQST0054");
            err.setIsStaticError(true);
            err.setLocator(this);
            throw err;
        }
        if (select != null) {
            referees.push(this);
            List list = new ArrayList(10);
            ExpressionTool.gatherReferencedVariables(select, list);
            for (int i=0; i<list.size(); i++) {
                Binding b = (Binding)list.get(i);
                if (b instanceof GlobalVariable) {
                    ((GlobalVariable)b).lookForCycles(referees, globalFunctionLibrary);
                }
            }
            list.clear();
            ExpressionTool.gatherCalledFunctionNames(select, list);
            for (int i=0; i<list.size(); i++) {
                XQueryFunction f = globalFunctionLibrary.getDeclarationByKey((String)list.get(i));
                if (!referees.contains(f)) {
                    // recursive function calls are allowed
                    lookForFunctionCycles(f, referees, globalFunctionLibrary);
                }
            }
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            }
        }
        list.clear();
        ExpressionTool.gatherCalledFunctionNames(body, list);
        for (int i=0; i<list.size(); i++) {
            XQueryFunction qf = globalFunctionLibrary.getDeclarationByKey((String)list.get(i));
            if (!referees.contains(qf)) {
                // recursive function calls are allowed
                lookForFunctionCycles(qf, referees, globalFunctionLibrary);
            }
        }
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Related Classes of net.sf.saxon.query.XQueryFunction

  • net.sf.saxon.Configuration
  • net.sf.saxon.functions.ExecutableFunctionLibrary
  • net.sf.saxon.functions.FunctionLibraryList
  • net.sf.saxon.instruct.GlobalVariable
  • net.sf.saxon.style.SaxonImportQuery
  • net.sf.saxon.style.XSLStylesheet
  • net.sf.saxon.xpath.StaticError
  • net.sf.saxon.trans.XPathException
  • java.util.ArrayList
  • java.util.Iterator
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