content: /*
   * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package openjdk.tools.sjavac.options;
  
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.Arrays;
  import java.util.List;
  
  import openjdk.tools.javac.main.CommandLine;
  import openjdk.tools.sjavac.Transformer;
  
  /**
   * This class is used to decode sjavac options.
   * See openjdk.tools.sjavac.options.Options for example usage.
   *
   *  <p><b>This is NOT part of any supported API.
   *  If you write code that depends on this, you do so at your own risk.
   *  This code and its internal interfaces are subject to change or
   *  deletion without notice.</b>
   */
  public abstract class OptionHelper {
  
      /** Handle error */
      public abstract void reportError(String msg);
  
      /** Record a package exclusion pattern */
      public abstract void exclude(String excl);
  
      /** Record a package inclusion pattern */
      public abstract void include(String incl);
  
      /** Record a root of sources to be compiled */
      public abstract void sourceRoots(List<Path> path);
  
      /** Record a suffix + transformer */
      public abstract void addTransformer(String suffix, Transformer tr);
  
      /** Record a sourcepath to be used */
      public abstract void sourcepath(List<Path> path);
  
      /** Record a modulepath to be used */
      public abstract void modulepath(List<Path> path);
  
      /** Record a classpath to be used */
      public abstract void classpath(List<Path> path);
  
      /** Record the number of cores */
      public abstract void numCores(int parseInt);
  
      /** Record desired log level */
      public abstract void logLevel(String level);
  
      /** Record path for reference source list */
      public abstract void compareFoundSources(Path referenceList);
  
      /** Record a single permitted artifact */
      public abstract void permitArtifact(String f);
  
      /** Record the fact that unidentified artifacts are permitted */
      public abstract void permitUnidentifiedArtifacts();
  
      /** Record the fact that sources in the default package are permitted */
      public abstract void permitDefaultPackage();
  
      /** Record server configuration parameters */
      public abstract void serverConf(String serverConf);
  
      /** Record server launch configuration parameters */
      public abstract void startServerConf(String serverConf);
  
      /** Record some arguments to be passed on to javac */
      public abstract void javacArg(String... arg);
  
      /** Sets the destination directory for the compilation */
      public abstract void destDir(Path dir);
  
      /** Sets the directory for generated sources */
      public abstract void generatedSourcesDir(Path genSrcDir);
  
      /** Sets the directory for generated headers */
      public abstract void headerDir(Path dir);
  
      /** Sets the directory for state and log files generated by sjavac */
      public abstract void stateDir(Path dir);
  
      /** Sets the implicit policy */
      public abstract void implicit(String policy);
  
  
      /**
       * Traverses an array of arguments and performs the appropriate callbacks.
       *
       * @param args the arguments to traverse.
       */
      void traverse(String[] args) {
          Iterable<String> allArgs;
          try {
              allArgs = CommandLine.parse(List.of(args)); // Detect @file and load it as a command line.
          } catch (java.io.IOException e) {
              throw new IllegalArgumentException("Problem reading @"+e.getMessage());
          }
          ArgumentIterator argIter = new ArgumentIterator(allArgs);
  
          nextArg:
          while (argIter.hasNext()) {
  
              String arg = argIter.next();
  
              if (arg.startsWith("-")) {
                  for (Option opt : Option.values()) {
                      if (opt.processCurrent(argIter, this))
                          continue nextArg;
                  }
  
                  javacArg(arg);
  
                  // Does this javac argument take an argument? If so, don't
                  // let it pass on to sjavac as a source root directory.
                  for (openjdk.tools.javac.main.Option javacOpt : openjdk.tools.javac.main.Option.values()) {
                      if (javacOpt.matches(arg)) {
                          boolean takesArgument = javacOpt.hasArg();
                          boolean separateToken = !arg.contains(":") && !arg.contains("=");
                          if (takesArgument && separateToken)
                              javacArg(argIter.next());
                      }
                  }
              } else {
                  sourceRoots(Arrays.asList(Paths.get(arg)));
              }
          }
      }
  
      public static String unescapeCmdArg(String arg) {
          return arg.replaceAll("%20", " ")
                    .replaceAll("%2C", ",");
      }
  }
  