Examples of net.sf.saxon.event.SequenceOutputter

net.sf.saxon.event.SequenceOutputter
This outputter is used when writing a sequence of atomic values and nodes, that is, when xsl:variable is used with content and an "as" attribute. The outputter builds the sequence and provides access to it. (It isn't really an outputter at all, it doesn't pass the events to anyone, it merely constructs the sequence in memory and provides access to it). Note that the event sequence can include calls such as startElement and endElement that require trees to be built. If nodes such as attributes and text nodes are received while an element is being constructed, the nodes are added to the tree. Otherwise, "orphan" nodes (nodes with no parent) are created and added directly to the sequence.
This class is not used to build temporary trees. For that, the ComplexContentOutputter is used.
@author Michael H. Kay

                return iterate(context).next();
            case PROCESS_METHOD:
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin(this);
                SequenceOutputter seq = new SequenceOutputter();
                seq.setConfiguration(controller.getConfiguration());
                seq.setDocumentLocator(getExecutable().getLocationMap());
                c2.setTemporaryReceiver(seq);
                process(c2);
                seq.close();
                return seq.getFirstItem();
        }
        return null;
    }

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                break;
            case PROCESS_METHOD:
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin(this);
                SequenceOutputter seq = new SequenceOutputter();
                seq.setConfiguration(controller.getConfiguration());
                seq.setDocumentLocator(getExecutable().getLocationMap());
                c2.setTemporaryReceiver(seq);
                process(c2);
                seq.close();
                return seq.getSequence().iterate(context);
        }
        return null;
    }

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            }
            case Expression.PROCESS_METHOD: {
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin((InstructionInfoProvider)exp);
                SequenceOutputter seq = new SequenceOutputter();
                seq.setConfiguration(controller.getConfiguration());
                seq.setDocumentLocator(((Instruction)exp).getExecutable().getLocationMap());
                c2.setTemporaryReceiver(seq);
                seq.open();
                exp.process(c2);
                seq.close();
                return seq.getSequence();
            }
            default:
                throw new AssertionError("Expression has unknown evaluation method");
        }
    }

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            }


        } else {
            Controller controller = context.getController();
            XPathContext c2 = context.newMinorContext();
            SequenceOutputter seq = new SequenceOutputter();
            seq.setConfiguration(controller.getConfiguration());
            seq.setDocumentLocator(getExecutable().getLocationMap());
            c2.setTemporaryReceiver(seq);
            // process the child elements in the stylesheet
            processChildren(c2);
            seq.close();
            return flatten(seq.getSequence().iterate(context), sep);


        }
    }

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                return iterate(context).next();
            case PROCESS_METHOD:
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin(this);
                SequenceOutputter seq = new SequenceOutputter();
                seq.setConfiguration(controller.getConfiguration());
                c2.setTemporaryReceiver(seq);
                process(c2);
                return seq.getFirstItem();
        }
        return null;
    }

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                break;
            case PROCESS_METHOD:
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin(this);
                SequenceOutputter seq = new SequenceOutputter();
                seq.setConfiguration(controller.getConfiguration());
                c2.setTemporaryReceiver(seq);
    
                process(c2);
    
                return seq.getSequence().iterate(context);
        }
        return null;
    }

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    public final void processLeft(Stack<XPathContext> contextStack, Stack state) throws XPathException {
        XPathContext context = contextStack.peek();
        SequenceReceiver out = context.getReceiver();
        state.push(out);
        SequenceOutputter out2 = new SequenceOutputter();
        out2.setPipelineConfiguration(out.getPipelineConfiguration());
        context.setReceiver(out2);
    }

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     * @param state   a stack on which the instruction can save state information during the call on processLeft()
     */


    public final void processRight(Stack<XPathContext> contextStack, Stack state) throws XPathException {
        XPathContext context = contextStack.peek();
        SequenceOutputter out2 = (SequenceOutputter)context.getReceiver();
        SequenceReceiver out = (SequenceReceiver)state.pop();
        SequenceIterator iter = out2.iterate();
        FastStringBuffer buff = new FastStringBuffer(100);
        while (true) {
            Item item = iter.next();
            if (item == null) {
                break;

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            case PROCESS:
                Controller controller = context.getController();
                XPathContext c2 = context.newMinorContext();
                c2.setOrigin(exp);
                SequenceOutputter seq = controller.allocateSequenceOutputter(20);
                PipelineConfiguration pipe = controller.makePipelineConfiguration();
                pipe.setHostLanguage(exp.getHostLanguage());
                seq.setPipelineConfiguration(pipe);
                c2.setTemporaryReceiver(seq);
                seq.open();
                exp.process(c2);
                seq.close();
                ValueRepresentation val = seq.getSequence();
                seq.reset();
                return val;


            case LAZY_TAIL_EXPRESSION: {
                TailExpression tail = (TailExpression)exp;
                VariableReference vr = (VariableReference)tail.getBaseExpression();

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            return iterate(context).next();
        } else {
            Controller controller = context.getController();
            XPathContext c2 = context.newMinorContext();
            c2.setOrigin(this);
            SequenceOutputter seq = controller.allocateSequenceOutputter(1);
            PipelineConfiguration pipe = controller.makePipelineConfiguration();
            pipe.setHostLanguage(getHostLanguage());
            seq.setPipelineConfiguration(pipe);
            c2.setTemporaryReceiver(seq);
            process(c2);
            seq.close();
            Item result = seq.getFirstItem();
            seq.reset();
            return result;
        }
    }

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net.sf.saxon.expr.Atomizer

net.sf.saxon.expr.ExpressionTool

net.sf.saxon.expr.LetExpression

net.sf.saxon.expr.SimpleExpression

net.sf.saxon.functions.StringFn

net.sf.saxon.instruct.Instruction

net.sf.saxon.instruct.SimpleNodeConstructor

net.sf.saxon.tinytree.TinyBuilder

net.sf.saxon.value.MemoClosure

net.sf.saxon.value.SequenceExtent

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