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/*******************************************************************************
* Copyright (c) 2009, 2018 Red Hat, Inc. and others.
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* EZchip Semiconductor - adding support for Doxygen XML files as input
* Red Hat Incorporated - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.cdt.libhover.utils;
import org.eclipse.linuxtools.cdt.libhover.FunctionInfo;
import org.eclipse.linuxtools.cdt.libhover.LibHoverInfo;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class CXmlLibhoverGen extends LibhoverInfoGenerator{
public CXmlLibhoverGen(Document document){
this.document = document;
}
private FunctionInfo getFunctionInfoFromNode(String name, Node functionNode, Document document) {
FunctionInfo f = new FunctionInfo(name);
NamedNodeMap functionNodeMap = functionNode.getAttributes();
Node functionNodeReturntypeNode = functionNodeMap.item(0);
String functionNodeRtName = functionNodeReturntypeNode.getNodeName();
if (functionNodeRtName.equals("returntype")) { //$NON-NLS-1$
// return type
String functionNodeRtValue = functionNodeReturntypeNode.getNodeValue();
f.setReturnType(functionNodeRtValue);
} // returntype
NodeList kids = functionNode.getChildNodes();
for (int fnk = 0; fnk < kids.getLength(); fnk++) {
Node kid = kids.item(fnk);
String kidName = kid.getNodeName();
if (kidName.equals("prototype")) { //$NON-NLS-1$
// prototype
String prototype = null;
NodeList parms = kid.getChildNodes();
for (int fnp = 0; fnp < parms.getLength(); fnp++) {
Node parm = parms.item(fnp);
String parmName = parm.getNodeName();
if (parmName.equals("parameter")) { //$NON-NLS-1$
NamedNodeMap parmMap = parm.getAttributes();
Node parmNode = parmMap.item(0);
String parameter = parmNode.getNodeValue();
prototype = (null == prototype) ? parameter : prototype
+ ", " + parameter; //$NON-NLS-1$
}
}
f.setPrototype(prototype);
} // prototype
else if (kidName.equals("headers")) { //$NON-NLS-1$
// headers
NodeList headers = kid.getChildNodes();
for (int fnh = 0; fnh < headers.getLength(); fnh++) {
Node header = headers.item(fnh);
String headerName = header.getNodeName();
if (headerName.equals("header")) { //$NON-NLS-1$
NamedNodeMap headerMap = header.getAttributes();
Node headerNode = headerMap.item(0);
f.addHeader(headerNode.getNodeValue());
}
}
} // headers
else if (kidName.equals("groupsynopsis")) { //$NON-NLS-1$
// group synopsis
NamedNodeMap attr = kid.getAttributes();
Node idnode = attr.getNamedItem("id"); //$NON-NLS-1$
String id = idnode.getNodeValue();
if (id != null) {
Element elem2 = document.getElementById(id);
if (null != elem2) {
NodeList synopsisNode = elem2.getElementsByTagName("synopsis"); //$NON-NLS-1$
if (null != synopsisNode && synopsisNode.getLength() > 0) {
Node synopsis = synopsisNode.item(0);
Node textNode = synopsis.getLastChild();
f.setDescription(textNode.getNodeValue());
}
}
}
} else if (kidName.equals("synopsis")) { //$NON-NLS-1$
// synopsis
Node textNode = kid.getLastChild();
f.setDescription(textNode.getNodeValue());
}
}
return f;
}
@Override
protected LibHoverInfo doGenerate() {
LibHoverInfo hoverInfo = new LibHoverInfo();
NodeList nl = document.getElementsByTagName("construct"); //$NON-NLS-1$
for (int i = 0; i < nl.getLength(); ++i) {
Node n = nl.item(i);
NamedNodeMap m = n.getAttributes();
Node id = m.getNamedItem("id"); //$NON-NLS-1$
if (id != null && id.getNodeValue().startsWith("function-")) { //$NON-NLS-1$
String name = id.getNodeValue().substring(9);
NodeList nl2 = n.getChildNodes();
for (int j = 0; j < nl2.getLength(); ++j) {
Node n2 = nl2.item(j);
if (n2.getNodeName().equals("function")) { //$NON-NLS-1$
FunctionInfo f = getFunctionInfoFromNode(name, n2, document);
hoverInfo.functions.put(name, f);
}
}
}
}
return hoverInfo;
}
}
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