/*
    * #%L
    * Native ARchive plugin for Maven
    * %%
    * Copyright (C) 2002 - 2014 NAR Maven Plugin developers.
    * %%
    * Licensed 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.
   * #L%
   */
  package com.github.maven_nar.cpptasks.gcc;
  
  import java.io.File;
  import java.util.Vector;
  
  import org.apache.tools.ant.types.Environment;
  
  import com.github.maven_nar.cpptasks.CUtil;
  import com.github.maven_nar.cpptasks.OptimizationEnum;
  import com.github.maven_nar.cpptasks.compiler.CommandLineCCompiler;
  import com.github.maven_nar.cpptasks.compiler.LinkType;
  import org.apache.tools.ant.util.FileUtils;
  
  /**
   * Abstract base class for compilers that attempt to be command line compatible
   * with GCC
   *
   * @author Adam Murdoch
   * @author Curt Arnold
   */
  public abstract class GccCompatibleCCompiler extends CommandLineCCompiler {
    private final static String[] headerExtensions = new String[] {
        ".h", ".hpp", ".inl"
    };
    private final static String[] sourceExtensions = new String[] {
        ".c", ".cc", ".cpp", ".cxx", ".c++", ".i", ".f", ".for", ".f90"
    };
  
    /**
     * Private constructor. Use GccCCompiler.getInstance() to get singleton
     * instance of this class.
     */
    protected GccCompatibleCCompiler(final String command, final String identifierArg, final boolean libtool,
        final GccCompatibleCCompiler libtoolCompiler, final boolean newEnvironment, final Environment env) {
      super(command, identifierArg, sourceExtensions, headerExtensions, libtool ? ".fo" : ".o", libtool, libtoolCompiler,
          newEnvironment, env);
    }
  
    /**
     * Private constructor. Use GccCCompiler.getInstance() to get singleton
     * instance of this class.
     */
    protected GccCompatibleCCompiler(final String command, final String identifierArg, final String[] sourceExtensions,
        final String[] headerExtensions, final boolean libtool, final GccCompatibleCCompiler libtoolCompiler,
        final boolean newEnvironment, final Environment env) {
      super(command, identifierArg, sourceExtensions, headerExtensions, libtool ? ".fo" : ".o", libtool, libtoolCompiler,
          newEnvironment, env);
    }
  
    @Override
    public void addImpliedArgs(final Vector<String> args, final boolean debug, final boolean multithreaded,
        final boolean exceptions, final LinkType linkType, final Boolean rtti, final OptimizationEnum optimization) {
      //
      // -fPIC is too much trouble
      // users have to manually add it for
      // operating systems that make sense
      //
      args.addElement("-c");
      if (debug) {
        args.addElement("-g");
      } else {
        if (optimization != null) {
          if (optimization.isSize()) {
            args.addElement("-Os");
          } else if (optimization.isSpeed()) {
            if ("full".equals(optimization.getValue())) {
              args.addElement("-O2");
            } else {
              if ("speed".equals(optimization.getValue())) {
                args.addElement("-O1");
              } else {
                args.addElement("-O3");
              }
            }
          }
        }
      }
      if (getIdentifier().contains("mingw")) {
        if (linkType.isSubsystemConsole()) {
          args.addElement("-mconsole");
       }
       if (linkType.isSubsystemGUI()) {
         args.addElement("-mwindows");
       }
     }
     // BEGINFREEHEP, tests have been modified
     if (!exceptions) {
       args.addElement("-fno-exceptions");
     }
     // ENDFREEHEP
     // BEGINFREEHEP moved to GccCCompiler
     // if (rtti != null && !rtti.booleanValue()) {
     // args.addElement("-fno-rtti");
     // }
     // ENDFREEHEP
   }
 
   /**
    * Adds an include path to the command.
    */
   public void addIncludePath(final String path, final Vector<String> cmd) {
     cmd.addElement("-I" + path);
   }
 
   @Override
   public void addWarningSwitch(final Vector<String> args, final int level) {
     switch (level) {
       case 0:
         args.addElement("-w");
         break;
       case 5:
         args.addElement("-Werror");
         /* nobreak */
       case 4:
         args.addElement("-W");
         /* nobreak */
       case 3:
         args.addElement("-Wall");
         break;
     }
   }
 
   @Override
   protected int getArgumentCountPerInputFile() {
     return 3;
   }
 
   @Override
   protected String getInputFileArgument(final File outputDir, final String filename, final int index) {
     switch (index) {
       case 0:
         return "-o";
       case 1:
         final String outputFileName = getOutputFileNames(filename, null)[0];
         final String objectName = new File(outputDir, outputFileName).toString();
         return objectName;
     }
     String relative="";
       try {
           relative = FileUtils.getRelativePath(workDir, new File(filename));
       } catch (Exception ex) {
       }
       if (relative.isEmpty()) {
           return filename;
       } else {
           return relative;
       }
   }
 
   @Override
   public void getDefineSwitch(final StringBuffer buffer, final String define, final String value) {
     buffer.append("-D");
     buffer.append(define);
     if (value != null && value.length() > 0) {
       buffer.append('=');
       buffer.append(value);
     }
   }
 
   @Override
   protected File[] getEnvironmentIncludePath() {
     return CUtil.getPathFromEnvironment("INCLUDE", ":");
   }
 
   // Darren Sargent 22Oct2008 - added overloads to properly handle system paths
   @Override
   public String getIncludeDirSwitch(final String includeDir) {
     return getIncludeDirSwitch(includeDir, false);
   }
 
   @Override
   public String getIncludeDirSwitch(final String includeDir, final boolean isSystem) {
     if (isSystem) {
       return "-isystem" + includeDir;
     } else {
       return "-I" + includeDir;
     }
   }
 
   @Override
   public void getUndefineSwitch(final StringBuffer buffer, final String define) {
     buffer.append("-U");
     buffer.append(define);
   }
 }