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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 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.style;

import net.sf.saxon.expr.Expression;
import net.sf.saxon.expr.StringLiteral;
import net.sf.saxon.expr.instruct.Comment;
import net.sf.saxon.om.AttributeInfo;
import net.sf.saxon.om.NodeName;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.value.StringValue;

/**
 * An xsl:comment elements in the stylesheet. 
*/ public final class XSLComment extends XSLLeafNodeConstructor { @Override protected void prepareAttributes() { for (AttributeInfo att : attributes()){ NodeName attName = att.getNodeName(); String f = attName.getDisplayName(); String value = att.getValue(); if (f.equals("select")) { select = makeExpression(value, att); } else { checkUnknownAttribute(attName); } } } @Override public void validate(ComponentDeclaration decl) throws XPathException { select = typeCheck("select", select); super.validate(decl); } /** * Get the error code to be returned when the element has a select attribute but is not empty. * * @return the error code defined for this condition, for this particular instruction */ @Override protected String getErrorCodeForSelectPlusContent() { return "XTSE0940"; } /*@NotNull*/ @Override public Expression compile(Compilation exec, ComponentDeclaration decl) throws XPathException { Comment inst = new Comment(); compileContent(exec, decl, inst, new StringLiteral(StringValue.SINGLE_SPACE)); return inst; } }




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