diff options
Diffstat (limited to 'sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/MacroPart.java')
| -rw-r--r-- | sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/MacroPart.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/MacroPart.java b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/MacroPart.java new file mode 100644 index 0000000000..317ad2fc44 --- /dev/null +++ b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/common/MacroPart.java @@ -0,0 +1,87 @@ +/** + * + * 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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