package org.codehaus.mojo.natives.mingw;
   
   import java.io.File;
   import org.codehaus.plexus.util.cli.Commandline;
   
   import org.codehaus.mojo.natives.NativeBuildException;
   import org.codehaus.mojo.natives.compiler.AbstractCompiler;
   import org.codehaus.mojo.natives.compiler.CompilerConfiguration;
   import org.codehaus.mojo.natives.parser.Parser;
  import org.codehaus.mojo.natives.parser.CParser;
  
  /*
   * The MIT License
   *
   * Copyright (c) 2004, The Codehaus
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of
   * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  public abstract class AbstractGccCompiler extends AbstractCompiler {
  
      /**
       * resuable parser in one Compilation session
       */
  
      private Parser parser = new CParser();
  
      protected abstract String getOutputFileOption();
  
      protected Parser getParser() {
          return this.parser;
      }
  
      /**
       * Setup Compiler Command line
       */
      protected Commandline getCommandLine(File srcFile, File destFile, CompilerConfiguration config)
              throws NativeBuildException {
  
          if (config.getExecutable() == null) {
              config.setExecutable("gcc");
          }
  
          Commandline cl = new Commandline();
  
          cl.setExecutable(config.getExecutable());
  
          if (config.getWorkingDirectory() != null) {
              cl.setWorkingDirectory(config.getWorkingDirectory().getPath());
          }
  
          this.setStartOptions(cl, config);
  
          this.setIncludePaths(cl, config.getIncludePaths());
  
          this.setIncludePaths(cl, config.getSystemIncludePaths());
  
          this.setMiddleOptions(cl, config);
  
          this.setOutputArgs(cl, destFile);
  
          this.setSourceArgs(cl, srcFile);
  
          this.setEndOptions(cl, config);
  
          return cl;
      }
  
      private void setOptions(Commandline cl, String[] options) {
          if (options != null) {
              for (int i = 0; i < options.length; ++i) {
                  cl.createArg().setValue(options[i]);
              }
          }
      }
  
      private void setStartOptions(Commandline cl, CompilerConfiguration config) {
          this.setOptions(cl, config.getStartOptions());
      }
  
      private void setMiddleOptions(Commandline cl, CompilerConfiguration config) {
          this.setOptions(cl, config.getMiddleOptions());
      }
  
     private void setEndOptions(Commandline cl, CompilerConfiguration config) {
         this.setOptions(cl, config.getEndOptions());
     }
 
     private void setIncludePaths(Commandline cl, File[] includePaths) {
         if (includePaths != null) {
             for (int i = 0; i < includePaths.length; ++i) {
                 cl.createArg().setValue("-I" + includePaths[i].getPath());
             }
         }
     }
 
     private void setOutputArgs(Commandline cl, File outputFile) {
         String outputFileOption = this.getOutputFileOption();
 
         if (outputFileOption.endsWith(" ")) {
             cl.createArg().setValue(outputFileOption.trim());
             cl.createArg().setValue(outputFile.getPath());
         } else {
             cl.createArg().setValue(outputFileOption + outputFile.getPath());
         }
     }
 
     private void setSourceArgs(Commandline cl, File srcFile) {
         cl.createArg().setValue("-c");
         cl.createArg().setValue(srcFile.getPath());
     }
 }