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The XSLT and XQuery Processor
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2022 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.s9api;
import net.sf.saxon.Configuration;
import net.sf.saxon.PreparedStylesheet;
import net.sf.saxon.Query;
import net.sf.saxon.style.Compilation;
import net.sf.saxon.style.PackageVersion;
import net.sf.saxon.style.StylesheetPackage;
import net.sf.saxon.trace.ExpressionPresenter;
import net.sf.saxon.trans.CompilerInfo;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.transpile.CSharpModifiers;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* An XsltPackage object represents the result of compiling an XSLT 3.0 package, as
* represented by an XML document containing an xsl:package element.
*
* @since 9.6
*/
@CSharpModifiers(code = {"internal"})
public class XsltPackage {
private final XsltCompiler compiler;
private final StylesheetPackage stylesheetPackage;
protected XsltPackage(XsltCompiler compiler, StylesheetPackage pp) {
this.compiler = compiler;
this.stylesheetPackage = pp;
}
/**
* Get the processor under which this package was created
*
* @return the corresponding Processor
*/
public Processor getProcessor() {
return compiler.getProcessor();
}
/**
* Get the name of the package (the URI appearing as the value of xsl:package/@name)
*
* @return the package name
*/
public String getName() {
return stylesheetPackage.getPackageName();
}
/**
* Get the version number of the package (the value of the attribute xsl:package/@package-version.
* Note that this may have had trailing zeroes truncated.
*
* @return the package version number(s)+suffix?
*/
public String getVersion() {
return stylesheetPackage.getPackageVersion().toString();
}
/**
* Get the version of the package as a structured object that meets the requirements of
* http://www.w3.org/TR/xslt-30/#package-versions
*
* @return the package version of the stylesheet
*/
public PackageVersion getPackageVersion() {
return stylesheetPackage.getPackageVersion();
}
/**
* Get the whitespace stripping policy defined by this stylesheet package, that is, the policy
* defined by the xsl:strip-space and xsl:preserve-space elements in the source XSLT code of the package.
*
* @return a newly constructed WhitespaceStrippingPolicy based on the declarations in
* this stylesheet package. This policy can be used as input to a {@link DocumentBuilder}.
*/
public WhitespaceStrippingPolicy getWhitespaceStrippingPolicy() {
return new WhitespaceStrippingPolicy(stylesheetPackage);
}
/**
* Link this package with the packages it uses, to form an executable stylesheet. This process fixes
* up any cross-package references to files, templates, and other components, and checks to ensure
* that all such references are consistent.
*
* @return the resulting XsltExecutable
* @throws SaxonApiException if any error is found during the linking process, for example
* if the constituent packages containing duplicate component names, or if abstract components
* are not resolved.
*/
public XsltExecutable link() throws SaxonApiException {
try {
Configuration config = getProcessor().getUnderlyingConfiguration();
CompilerInfo info = compiler.getUnderlyingCompilerInfo();
Compilation compilation = new Compilation(config, info);
compilation.setPackageData(stylesheetPackage);
stylesheetPackage.checkForAbstractComponents();
PreparedStylesheet pss = new PreparedStylesheet(compilation);
stylesheetPackage.updatePreparedStylesheet(pss);
pss.addPackage(stylesheetPackage);
return new XsltExecutable(getProcessor(), pss);
} catch (XPathException e) {
throw new SaxonApiException(e);
}
}
/**
* Save this compiled package to filestore.
*
* @param file the file to which the compiled package should be saved
* @throws SaxonApiException if the compiled package cannot be saved to the specified
* location, or if the package was compiled with just-in-time
* compilation enabled
* @since 9.7
*/
public void save(File file) throws SaxonApiException {
String target = stylesheetPackage.getTargetEdition();
if (target == null) {
target = getProcessor().getSaxonEdition();
}
save(file, target);
}
/**
* Save this compiled package to filestore for a particular target environment
*
* @param file the file to which the compiled package should be saved
* @param target the target environment. The only value currently recognized is "JS",
* which exports the package for running under Saxon-JS 2.0.
* @throws SaxonApiException if the compiled package cannot be saved to the specified
* location, or if the package was compiled with just-in-time
* compilation enabled.
* @since 9.7.0.5
* @deprecated since 9.9.1.3. Use XsltCompiler.setTargetEdition() to define the target environment.
*/
@Deprecated
public void save(File file, String target) throws SaxonApiException {
try {
Query.createFileIfNecessary(file);
ExpressionPresenter presenter = getProcessor().getUnderlyingConfiguration()
.newExpressionExporter(target, new FileOutputStream(file), stylesheetPackage);
presenter.setRelocatable(stylesheetPackage.isRelocatable());
stylesheetPackage.export(presenter);
} catch (XPathException | IOException e) {
throw new SaxonApiException(e);
}
}
/**
* Escape-hatch interface to the underlying implementation class.
* @return the underlying StylesheetPackage. The interface to StylesheetPackage
* is not a stable part of the s9api API definition.
*/
public StylesheetPackage getUnderlyingPreparedPackage() {
return stylesheetPackage;
}
}