package com.xmlcalabash.extensions;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XdmNode;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.runtime.XAtomicStep;
import com.xmlcalabash.util.S9apiUtils;
import com.xmlcalabash.library.DefaultStep;
import com.thaiopensource.xml.sax.ErrorHandlerImpl;
import com.thaiopensource.util.PropertyMapBuilder;
import com.thaiopensource.validate.ValidateProperty;
import com.thaiopensource.validate.SchemaReader;
import com.thaiopensource.validate.ValidationDriver;
import com.thaiopensource.validate.auto.AutoSchemaReader;
import com.thaiopensource.validate.rng.CompactSchemaReader;
import com.thaiopensource.validate.prop.rng.RngProperty;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import java.io.StringReader;
import java.io.IOException;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: Apr 29, 2009
* Time: 6:35:09 PM
* To change this template use File | Settings | File Templates.
*/
public class NVDL extends DefaultStep {
private static final QName _assert_valid = new QName("", "assert-valid");
private ReadablePipe source = null;
private ReadablePipe nvdlSource = null;
private ReadablePipe schemaSource = null;
private WritablePipe result = null;
/** Creates a new instance of Delete */
public NVDL(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setInput(String port, ReadablePipe pipe) {
if ("source".equals(port)) {
source = pipe;
} else if ("nvdl".equals(port)) {
nvdlSource = pipe;
} else if ("schemas".equals(port)) {
schemaSource = pipe;
}
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
source.resetReader();
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
boolean assertValid = getOption(_assert_valid,false);
ErrorHandlerImpl eh = new ErrorHandlerImpl(System.out);
PropertyMapBuilder properties = new PropertyMapBuilder();
properties.put(ValidateProperty.ERROR_HANDLER, eh);
RngProperty.CHECK_ID_IDREF.add(properties);
properties.put(ValidateProperty.ENTITY_RESOLVER, runtime.getResolver());
XdmNode srcdoc = source.read();
XdmNode nvdldoc = nvdlSource.read();
while (schemaSource.moreDocuments()) {
XdmNode schema = schemaSource.read();
runtime.getResolver().cache(schema, schema.getBaseURI());
}
ValidationDriver driver = new ValidationDriver(properties.toPropertyMap());
InputSource nvdl = S9apiUtils.xdmToInputSource(runtime, nvdldoc);
InputSource doc = S9apiUtils.xdmToInputSource(runtime, srcdoc);
try {
driver.loadSchema(nvdl);
if (!driver.validate(doc)) {
if (assertValid) {
throw XProcException.stepError(53);
}
}
} catch (SAXException e) {
throw new XProcException("SAX Exception", e);
} catch (IOException e) {
throw new XProcException("IO Exception", e);
}
result.write(srcdoc); // At the moment, we don't get any augmentation
}
}