package com.xmlcalabash.runtime;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.model.ErrorBinding;
import com.xmlcalabash.model.Input;
import com.xmlcalabash.model.Output;
import com.xmlcalabash.model.PipeNameBinding;
import com.xmlcalabash.model.Pipeline;
import com.xmlcalabash.model.PipelineLibrary;
import com.xmlcalabash.model.DeclareStep;
import com.xmlcalabash.model.Step;
import net.sf.saxon.s9api.QName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: Oct 20, 2008
* Time: 8:55:32 AM
* To change this template use File | Settings | File Templates.
*/
public class XLibrary {
private XProcRuntime runtime = null;
private PipelineLibrary library = null;
private Logger logger = LoggerFactory.getLogger(XLibrary.class);
public XLibrary(XProcRuntime runtime, PipelineLibrary library) {
this.runtime = runtime;
this.library = library;
}
public XPipeline getFirstPipeline() {
QName name = library.firstStep();
return getPipeline(name);
}
public QName getFirstPipelineType() {
return library.firstStep();
}
public XPipeline getPipeline(QName stepName) {
DeclareStep step = library.getDeclaration(stepName);
if (step == null) {
runtime.error(null, library.getNode(), "No step named " + stepName + " in library.", null);
return null;
}
XRootStep root = new XRootStep(runtime);
if (step.subpipeline().size() == 0) {
// I need to instantiate an atomic step to replace this declaration in the
// pipeline I'm about to create.
Step atomicReplacement = new Step(runtime, step.getNode(),step.getDeclaredType(),step.getName());
atomicReplacement.setDeclaration(step);
// TODO: Make sure options and parameters get copied over correctly!
String wrapper = "XML-CALABASH-GENERATED-WRAPPER-PIPELINE";
QName ptype = new QName("", "XML-CALABASH-WRAPPER-TYPE");
// This is an atomic step, manufacture a dummy wrapper pipeline for it.
DeclareStep pipeline = new DeclareStep(runtime, step.getNode(), wrapper);
for (Input input : step.inputs()) {
Input pInput = new Input(runtime, input.getNode());
pInput.setPort(input.getPort());
pInput.setPrimary(input.getPrimary());
pInput.setSequence(input.getSequence());
pInput.setParameterInput(input.getParameterInput());
pipeline.addInput(pInput);
PipeNameBinding pnb = new PipeNameBinding(runtime, input.getNode());
pnb.setStep(wrapper);
pnb.setPort(pInput.getPort());
input.addBinding(pnb);
atomicReplacement.addInput(input);
}
for (Output output : step.outputs()) {
Output pOutput = new Output(runtime, output.getNode());
pOutput.setPort(output.getPort());
pOutput.setPrimary(output.getPrimary());
pOutput.setSequence(output.getSequence());
Input pInput = new Input(runtime, output.getNode());
pInput.setPort("|" + output.getPort());
pInput.setSequence(output.getSequence());
pipeline.addInput(pInput);
PipeNameBinding pnb = new PipeNameBinding(runtime, output.getNode());
pnb.setStep(step.getName());
pnb.setPort(output.getPort());
pInput.addBinding(pnb);
pipeline.addOutput(pOutput);
atomicReplacement.addOutput(output);
}
pipeline.addStep(atomicReplacement);
pipeline.setDeclaredType(ptype);
runtime.declareStep(ptype,pipeline);
step = pipeline;
step.setup();
} else {
step.setup();
}
XPipeline xpipeline = new XPipeline(runtime, step, root);
if (runtime.getErrorCode() != null) {
throw new XProcException(runtime.getErrorCode(), runtime.getErrorMessage());
}
xpipeline.instantiate(step);
return xpipeline;
}
}