/**
* 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.
*/
package org.apache.cxf.tools.corba.processors.idl;
import java.io.File;
import java.net.URL;
import java.util.HashMap;
import antlr.TokenStreamHiddenTokenFilter;
import antlr.collections.AST;
import org.apache.cxf.tools.common.ToolException;
import org.apache.cxf.tools.corba.common.Processor;
import org.apache.cxf.tools.corba.common.ProcessorEnvironment;
import org.apache.cxf.tools.corba.common.ToolCorbaConstants;
import org.apache.cxf.tools.corba.idlpreprocessor.DefaultIncludeResolver;
import org.apache.cxf.tools.corba.idlpreprocessor.DefineState;
import org.apache.cxf.tools.corba.idlpreprocessor.IdlPreprocessorReader;
public class IDLProcessor implements Processor {
protected ProcessorEnvironment env;
protected IdlPreprocessorReader preprocessor;
private IDLParser parser;
public void setEnvironment(ProcessorEnvironment penv) {
env = penv;
}
public void process() throws ToolException {
String location = env.get(ToolCorbaConstants.CFG_IDLFILE).toString();
File file = new File(location).getAbsoluteFile();
if (!file.exists()) {
throw new ToolException("IDL file " + file.getName() + " doesn't exist");
}
try {
URL orig = file.toURI().toURL();
DefaultIncludeResolver includeResolver = getDefaultIncludeResolver(file.getParentFile());
DefineState defineState = new DefineState(new HashMap<String, String>());
preprocessor = new IdlPreprocessorReader(orig,
location,
includeResolver,
defineState);
IDLLexer lexer = new IDLLexer(new java.io.LineNumberReader(preprocessor));
lexer.setTokenObjectClass("antlr.CommonHiddenStreamToken");
TokenStreamHiddenTokenFilter filter =
new TokenStreamHiddenTokenFilter(lexer);
filter.discard(IDLTokenTypes.WS);
filter.hide(IDLTokenTypes.SL_COMMENT);
filter.hide(IDLTokenTypes.ML_COMMENT);
parser = new IDLParser(filter);
parser.setASTNodeClass("antlr.CommonASTWithHiddenTokens");
parser.specification();
} catch (Exception ex) {
throw new ToolException(ex);
}
}
public AST getIDLTree() {
if (parser != null) {
return parser.getAST();
} else {
return null;
}
}
private DefaultIncludeResolver getDefaultIncludeResolver(File currentDir) {
DefaultIncludeResolver includeResolver;
if (env.optionSet(ToolCorbaConstants.CFG_INCLUDEDIR)) {
String[] includedDirs = (String[]) env.get(ToolCorbaConstants.CFG_INCLUDEDIR);
File[] includeDirs = new File[includedDirs.length];
for (int i = 0; i < includedDirs.length; i++) {
includeDirs[i] = new File(includedDirs[i]);
}
includeResolver = new DefaultIncludeResolver(includeDirs);
} else {
includeResolver = new DefaultIncludeResolver(currentDir);
}
return includeResolver;
}
}