package client.net.sf.saxon.ce.style;
import client.net.sf.saxon.ce.expr.Expression;
import client.net.sf.saxon.ce.expr.Literal;
import client.net.sf.saxon.ce.expr.instruct.Executable;
import client.net.sf.saxon.ce.expr.instruct.ResultDocument;
import client.net.sf.saxon.ce.lib.Validation;
import client.net.sf.saxon.ce.om.*;
import client.net.sf.saxon.ce.trans.XPathException;
import client.net.sf.saxon.ce.type.ItemType;
import client.net.sf.saxon.ce.value.EmptySequence;
import client.net.sf.saxon.ce.value.Whitespace;
import java.util.HashSet;
import com.google.gwt.logging.client.LogConfiguration;
/**
* An xsl:result-document element in the stylesheet. <BR>
* The xsl:result-document element takes an attribute href="filename". The filename will
* often contain parameters, e.g. {position()} to ensure that a different file is produced
* for each element instance. <BR>
* There is a further attribute "name" which determines the format of the
* output file, it identifies the name of an xsl:output element containing the output
* format details.
*/
public class XSLResultDocument extends StyleElement {
private static final HashSet fans = new HashSet(25); // formatting attribute names
static {
fans.add(StandardNames.METHOD);
fans.add(StandardNames.OUTPUT_VERSION);
fans.add(StandardNames.BYTE_ORDER_MARK);
fans.add(StandardNames.INDENT);
fans.add(StandardNames.ENCODING);
fans.add(StandardNames.MEDIA_TYPE);
fans.add(StandardNames.DOCTYPE_SYSTEM);
fans.add(StandardNames.DOCTYPE_PUBLIC);
fans.add(StandardNames.OMIT_XML_DECLARATION);
fans.add(StandardNames.STANDALONE);
fans.add(StandardNames.CDATA_SECTION_ELEMENTS);
fans.add(StandardNames.INCLUDE_CONTENT_TYPE);
fans.add(StandardNames.ESCAPE_URI_ATTRIBUTES);
fans.add(StandardNames.UNDECLARE_PREFIXES);
fans.add(StandardNames.NORMALIZATION_FORM);
}
private Expression href;
private StructuredQName formatQName; // used when format is a literal string
private Expression methodExpression; // used when format is an AVT
private Expression method;
/**
* Determine whether this node is an instruction.
* @return true - it is an instruction
*/
public boolean isInstruction() {
return true;
}
/**
* Determine whether this type of element is allowed to contain a template-body
* @return true: yes, it may contain a template-body
*/
public boolean mayContainSequenceConstructor() {
return true;
}
/**
* Determine the type of item returned by this instruction (only relevant if
* it is an instruction). Default implementation returns Type.ITEM, indicating
* that we don't know, it might be anything. Returns null in the case of an element
* such as xsl:sort or xsl:variable that can appear in a sequence constructor but
* contributes nothing to the result sequence.
* @return the item type returned
*/
protected ItemType getReturnedItemType() {
return null;
}
public void prepareAttributes() throws XPathException {
AttributeCollection atts = getAttributeList();
String methodAtt = null;
String hrefAttribute = null;
String validationAtt = null;
String typeAtt = null;
String useCharacterMapsAtt = null;
for (int a=0; a<atts.getLength(); a++) {
int nc = atts.getNameCode(a);
String f = getNamePool().getClarkName(nc);
if (f.equals(StandardNames.METHOD)) {
methodAtt = Whitespace.trim(atts.getValue(a));
} else if (f.equals(StandardNames.HREF)) {
hrefAttribute = 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 if (f.equals(StandardNames.USE_CHARACTER_MAPS)) {
useCharacterMapsAtt = Whitespace.trim(atts.getValue(a));
} else if (fans.contains(f) || f.startsWith("{")) {
// this is a serialization attribute
String val = Whitespace.trim(atts.getValue(a));
Expression exp = makeAttributeValueTemplate(val);
//serializationAttributes.put(nc&0xfffff, exp);
} else {
checkUnknownAttribute(nc);
}
}
if (hrefAttribute==null) {
//href = StringValue.EMPTY_STRING;
} else {
href = makeAttributeValueTemplate(hrefAttribute);
}
if (methodAtt!=null) {
methodExpression = makeAttributeValueTemplate(methodAtt);
}
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 {
if (href != null && !getConfiguration().isAllowExternalFunctions()) {
compileError("xsl:result-document is disabled when extension functions are disabled");
}
href = typeCheck(href);
methodExpression = typeCheck(methodExpression);
getExecutable().setCreatesSecondaryResult(true);
}
public Expression compile(Executable exec, Declaration decl) throws XPathException {
ResultDocument inst = new ResultDocument(href, methodExpression, getBaseURI(), this);
Expression b = compileSequenceConstructor(exec, decl, iterateAxis(Axis.CHILD));
if (b == null) {
b = new Literal(EmptySequence.getInstance());
}
inst.setContentExpression(b);
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.//