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/*
* Copyright (c) 2014 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.eclipse.cdt.internal.qt.core.pdom;
import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
import org.eclipse.cdt.core.dom.ast.IASTInitializerClause;
import org.eclipse.cdt.core.dom.ast.IASTLiteralExpression;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance;
import org.eclipse.cdt.internal.qt.core.ASTUtil;
import org.eclipse.cdt.qt.core.QtKeywords;
import org.eclipse.cdt.qt.core.index.IQmlRegistration;
import org.eclipse.core.runtime.CoreException;
public class QmlTypeRegistration extends ASTDelegatedName implements IQtASTName {
private final ICPPTemplateInstance functionInstanceBinding;
private final IASTFunctionCallExpression fnCall;
private final IQmlRegistration.Kind kind;
private char[] simpleID;
public QmlTypeRegistration(IASTName ast, ICPPTemplateInstance functionInstanceBinding, IASTFunctionCallExpression fnCall) {
super(ast);
this.functionInstanceBinding = functionInstanceBinding;
this.fnCall = fnCall;
if (QtKeywords.QML_REGISTER_UNCREATABLE_TYPE.equals(functionInstanceBinding.getName()))
this.kind = IQmlRegistration.Kind.Uncreatable;
else
this.kind = IQmlRegistration.Kind.Type;
}
@Override
public char[] getSimpleID() {
if (simpleID == null) {
IASTInitializerClause[] args = fnCall.getArguments();
simpleID = (functionInstanceBinding.getName()
+ ASTTypeUtil.getArgumentListString(functionInstanceBinding.getTemplateArguments(), true)
+ "\0("
+ asStringForName(args, 0) + ','
+ asStringForName(args, 1) + ','
+ asStringForName(args, 2) + ','
+ asStringForName(args, 3) + ')'
).toCharArray();
}
return simpleID;
}
@Override
public QtPDOMBinding createPDOMBinding(QtPDOMLinkage linkage) throws CoreException {
switch(kind) {
case Type:
return new QtPDOMQmlRegistration(linkage, this, delegate);
case Uncreatable:
return new QtPDOMQmlUncreatable(linkage, this, delegate);
}
return null;
}
public String getQObjectName() {
ICPPTemplateArgument[] args = functionInstanceBinding.getTemplateArguments();
if (args.length < 1)
return null;
IType type = args[0].getTypeValue();
return type instanceof ICPPBinding ? ASTUtil.getFullyQualifiedName((ICPPBinding) type) : null;
}
public Long getVersion() {
ICPPTemplateArgument[] args = functionInstanceBinding.getTemplateArguments();
if (args.length < 2)
return null;
IValue val = args[1].getNonTypeValue();
return val == null ? null : val.numericalValue();
}
public String getUri() {
return getArgAsStringOrNull(0);
}
public Long getMajor() {
return getArgAsLongOrNull(1);
}
public Long getMinor() {
return getArgAsLongOrNull(2);
}
public String getQmlName() {
return getArgAsStringOrNull(3);
}
public String getReason() {
return getArgAsStringOrNull(4);
}
private String asStringForName(IASTInitializerClause[] args, int index) {
String arg = args.length <= index ? null : asString(args[index]);
return arg == null ? "" : arg;
}
private String getArgAsStringOrNull(int index) {
IASTInitializerClause[] args = fnCall.getArguments();
if (args.length <= index)
return null;
return asString(args[index]);
}
private Long getArgAsLongOrNull(int index) {
IASTInitializerClause[] args = fnCall.getArguments();
if (args.length <= index)
return null;
String str = asString(args[index]);
if (str != null)
try {
return Long.parseLong(str);
} catch(NumberFormatException e) {
// This is caused by invalid user code, do not log it
}
return null;
}
private static String asString(IASTInitializerClause init) {
if (init instanceof IASTLiteralExpression) {
IASTLiteralExpression literal = (IASTLiteralExpression) init;
switch(literal.getKind()) {
case IASTLiteralExpression.lk_integer_constant:
return new String(literal.getValue());
case IASTLiteralExpression.lk_string_literal:
char[] value = literal.getValue();
return new String(value, 1, value.length - 2);
}
}
return null;
}
}
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