package org.codehaus.mojo.natives.c;
   
   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 AbstractCCompiler
      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() );
     }
 }