XSLCopyOf.java

package client.net.sf.saxon.ce.style;
import client.net.sf.saxon.ce.expr.Expression;
import client.net.sf.saxon.ce.expr.instruct.CopyOf;
import client.net.sf.saxon.ce.expr.instruct.Executable;
import client.net.sf.saxon.ce.lib.Validation;
import client.net.sf.saxon.ce.om.AttributeCollection;
import client.net.sf.saxon.ce.om.StandardNames;
import client.net.sf.saxon.ce.trans.XPathException;
import client.net.sf.saxon.ce.value.Whitespace;


/**
* An xsl:copy-of element in the stylesheet. <br>
*/

public final class XSLCopyOf extends StyleElement {

    private Expression select;
    private boolean copyNamespaces;

    /**
    * Determine whether this node is an instruction.
    * @return true - it is an instruction
    */

    public boolean isInstruction() {
        return true;
    }

    public void prepareAttributes() throws XPathException {

		AttributeCollection atts = getAttributeList();
		String selectAtt = null;
		String copyNamespacesAtt = null;
		String validationAtt = null;
		String typeAtt = null;

		for (int a=0; a<atts.getLength(); a++) {
			int nc = atts.getNameCode(a);
			String f = getNamePool().getClarkName(nc);
			if (f.equals(StandardNames.SELECT)) {
        		selectAtt = atts.getValue(a);
            } else if (f.equals(StandardNames.COPY_NAMESPACES)) {
                copyNamespacesAtt = Whitespace.trim(atts.getValue(a));
            } else if (f.equals(StandardNames.VALIDATION)) {
                validationAtt = Whitespace.trim(atts.getValue(a));
            } else if (f.equals(StandardNames.TYPE)) {
                typeAtt = Whitespace.trim(atts.getValue(a));
        	} else {
        		checkUnknownAttribute(nc);
        	}
        }

        if (selectAtt!=null) {
            select = makeExpression(selectAtt);
        } else {
            reportAbsence("select");
        }

        if (copyNamespacesAtt == null) {
            copyNamespaces = true;
        } else {
            if (copyNamespacesAtt.equals("yes")) {
                copyNamespaces = true;
            } else if (copyNamespacesAtt.equals("no")) {
                copyNamespaces = false;
            } else {
                compileError("Value of copy-namespaces must be 'yes' or 'no'", "XTSE0020");
            }
        }

        if (validationAtt != null && Validation.getCode(validationAtt) != Validation.STRIP) {
            compileError("To perform validation, a schema-aware XSLT processor is needed", "XTSE1660");
        }
        if (typeAtt!=null) {
            compileError("The @type attribute is available only with a schema-aware XSLT processor", "XTSE1660");
        }
    }

    public void validate(Declaration decl) throws XPathException {
        checkEmpty();
        select = typeCheck(select);
    }

    public Expression compile(Executable exec, Declaration decl) {
        CopyOf inst = new CopyOf(select, copyNamespaces);
        inst.setStaticBaseUri(getBaseURI());
        return inst;
    }

}

// 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.