/*******************************************************************************
* Copyright (c) 2004, 2005 IBM Corporation 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jem.internal.instantiation.impl;
/*
*/
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jem.internal.instantiation.*;
import org.eclipse.jem.internal.instantiation.InstantiationPackage;
import org.eclipse.jem.internal.instantiation.PTStringLiteral;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>String Literal</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.jem.internal.instantiation.impl.PTStringLiteralImpl#getEscapedValue <em>Escaped Value</em>}</li>
* <li>{@link org.eclipse.jem.internal.instantiation.impl.PTStringLiteralImpl#getLiteralValue <em>Literal Value</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class PTStringLiteralImpl extends PTExpressionImpl implements PTStringLiteral {
/**
* The default value of the '{@link #getEscapedValue() <em>Escaped Value</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEscapedValue()
* @generated
* @ordered
*/
protected static final String ESCAPED_VALUE_EDEFAULT = null;
/**
* The cached value of the '{@link #getEscapedValue() <em>Escaped Value</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEscapedValue()
* @generated
* @ordered
*/
protected String escapedValue = ESCAPED_VALUE_EDEFAULT;
/**
* The default value of the '{@link #getLiteralValue() <em>Literal Value</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getLiteralValue()
* @generated
* @ordered
*/
protected static final String LITERAL_VALUE_EDEFAULT = null;
/**
* The cached value of the '{@link #getLiteralValue() <em>Literal Value</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getLiteralValue()
* @generated
* @ordered
*/
protected String literalValue = LITERAL_VALUE_EDEFAULT;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected PTStringLiteralImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EClass eStaticClass() {
return InstantiationPackage.eINSTANCE.getPTStringLiteral();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getEscapedValue() {
return escapedValue;
}
public void setEscapedValue(String newEscapedValue) {
stringLiteralSet = false;
setLiteralValueGen(LITERAL_VALUE_EDEFAULT);
setEscapedValueGen(newEscapedValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setEscapedValueGen(String newEscapedValue) {
String oldEscapedValue = escapedValue;
escapedValue = newEscapedValue;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, InstantiationPackage.PT_STRING_LITERAL__ESCAPED_VALUE, oldEscapedValue, escapedValue));
}
private boolean stringLiteralSet;
public String getLiteralValue() {
if (!stringLiteralSet && escapedValue != ESCAPED_VALUE_EDEFAULT) {
String s = getEscapedValue();
int len = s.length();
if (len < 2 || s.charAt(0) != '\"' || s.charAt(len-1) != '\"' ) {
throw new IllegalArgumentException();
}
StringBuffer buffer = new StringBuffer(len);
int stop = len-1;
for (int i = 1; i < stop; i++) {
char ati = s.charAt(i);
if (ati == '\\') {
if (++i < stop) {
ati = s.charAt(i);
if (ati == 'u') {
int c1 = 0, c2 = 0, c3 = 0, c4 = 0;
if (i+4 >= stop
|| (c1 = Character.getNumericValue(s.charAt(++i))) > 15
|| c1 < 0
|| (c2 = Character.getNumericValue(s.charAt(++i))) > 15
|| c2 < 0
|| (c3 = Character.getNumericValue(s.charAt(++i))) > 15
|| c3 < 0
|| (c4 = Character.getNumericValue(s.charAt(++i))) > 15
|| c4 < 0){
throw new IllegalArgumentException("illegal string literal");//$NON-NLS-1$
} else
buffer.append((char) (((c1 * 16 + c2) * 16 + c3) * 16 + c4));
} else
buffer.append(PTCharacterLiteralImpl.getCharEscaped(ati));
} else
throw new IllegalArgumentException("illegal string literal");//$NON-NLS-1$
} else
buffer.append(ati);
}
stringLiteralSet = true;
setLiteralValueGen(buffer.toString());
}
return getLiteralValueGen();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getLiteralValueGen() {
return literalValue;
}
public void setLiteralValue(String newLiteralValue) {
stringLiteralSet = true;
setLiteralValueGen(newLiteralValue);
StringBuffer b = new StringBuffer(newLiteralValue.length()+2);
b.append('\"'); // opening delimiter
int stop = newLiteralValue.length();
for (int i = 0; i < stop; i++) {
PTCharacterLiteralImpl.appendCharacter(newLiteralValue.charAt(i), b);
}
b.append('\"'); // closing delimiter
setEscapedValueGen(b.toString());
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setLiteralValueGen(String newLiteralValue) {
String oldLiteralValue = literalValue;
literalValue = newLiteralValue;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, InstantiationPackage.PT_STRING_LITERAL__LITERAL_VALUE, oldLiteralValue, literalValue));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Object eGet(EStructuralFeature eFeature, boolean resolve) {
switch (eDerivedStructuralFeatureID(eFeature)) {
case InstantiationPackage.PT_STRING_LITERAL__ESCAPED_VALUE:
return getEscapedValue();
case InstantiationPackage.PT_STRING_LITERAL__LITERAL_VALUE:
return getLiteralValue();
}
return eDynamicGet(eFeature, resolve);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eSet(EStructuralFeature eFeature, Object newValue) {
switch (eDerivedStructuralFeatureID(eFeature)) {
case InstantiationPackage.PT_STRING_LITERAL__ESCAPED_VALUE:
setEscapedValue((String)newValue);
return;
case InstantiationPackage.PT_STRING_LITERAL__LITERAL_VALUE:
setLiteralValue((String)newValue);
return;
}
eDynamicSet(eFeature, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eUnset(EStructuralFeature eFeature) {
switch (eDerivedStructuralFeatureID(eFeature)) {
case InstantiationPackage.PT_STRING_LITERAL__ESCAPED_VALUE:
setEscapedValue(ESCAPED_VALUE_EDEFAULT);
return;
case InstantiationPackage.PT_STRING_LITERAL__LITERAL_VALUE:
setLiteralValue(LITERAL_VALUE_EDEFAULT);
return;
}
eDynamicUnset(eFeature);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean eIsSet(EStructuralFeature eFeature) {
switch (eDerivedStructuralFeatureID(eFeature)) {
case InstantiationPackage.PT_STRING_LITERAL__ESCAPED_VALUE:
return ESCAPED_VALUE_EDEFAULT == null ? escapedValue != null : !ESCAPED_VALUE_EDEFAULT.equals(escapedValue);
case InstantiationPackage.PT_STRING_LITERAL__LITERAL_VALUE:
return LITERAL_VALUE_EDEFAULT == null ? literalValue != null : !LITERAL_VALUE_EDEFAULT.equals(literalValue);
}
return eDynamicIsSet(eFeature);
}
public String toString() {
return super.toString(); // Really want toString to be final at PTExpression, but EMF doesn't allow it.
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.instantiation.impl.ExpressionImpl#accept0(org.eclipse.jem.internal.instantiation.ParseVisitor)
*/
protected void accept0(ParseVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
} //StringLiteralImpl