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/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* @version $Rev$ $Date$ */
/*
* Branched from the original class that was also contributed to the
* org.apache.axis.tools.common package.
*/
/*
* A C or C++ macro as it is used in the source code
*/
package org.apache.tuscany.sca.cpp.tools.common;
class MacroPart extends FilePart {
/**
* Factory method to create a MacroPart.
*
* @param s
* unparsed source code which may start with a define or macro.
*/
static MacroPart create(String s) {
String orig = getOriginalText(s);
if (null == orig)
return null;
return new MacroPart(orig);
}
MacroPart(String s) {
super(s, FilePart.MACRO);
}
/**
* @param s
* unparsed source code which may start with a define or macro.
* @return all of s up to the end of the define or macro.
*/
private static String getOriginalText(String s) {
String name = getName(s);
int len = name.length();
if (null == name)
return null;
else if (Configuration.isDefine(name)) {
return s.substring(0, len);
} else if (Configuration.isMacro(name)) {
String rest = s.substring(len);
len += Utils.findMatching(rest, '(', ')');
return s.substring(0, len + 1);
} else
return null;
}
static boolean isAMacro(String s) {
if (s == null || 0 == s.length())
return false;
String name = getName(s);
return Configuration.isMacro(name) || Configuration.isDefine(name);
}
private static String getName(String s) {
int i;
for (i = 0; i < s.length(); i++)
if (!Character.isLetterOrDigit(s.charAt(i)) && '_' != s.charAt(i))
break;
if (s.length() == i)
return null;
return s.substring(0, i);
}
}
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