Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/compiler/AbstractLinker.java

   1 /*
   2  *
   3  * Copyright 2001-2004 The Ant-Contrib project
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  */
  17 package net.sf.antcontrib.cpptasks.compiler;
  18 import java.io.File;
  19
  20 import net.sf.antcontrib.cpptasks.CCTask;
  21 import net.sf.antcontrib.cpptasks.LinkerDef;
  22 import net.sf.antcontrib.cpptasks.ProcessorDef;
  23 import net.sf.antcontrib.cpptasks.TargetDef;
  24
  25
  26 import org.apache.tools.ant.types.Environment;
  27 /**
  28  * An abstract Linker implementation.
  29  *
  30  * @author Adam Murdoch
  31  */
  32 public abstract class AbstractLinker extends AbstractProcessor
  33         implements
  34             Linker {
  35     public AbstractLinker(String[] objExtensions, String[] ignoredExtensions) {
  36         super(objExtensions, ignoredExtensions);
  37     }
  38     /**
  39      * Returns the bid of the processor for the file.
  40      *
  41      * A linker will bid 1 on any unrecognized file type.
  42      *
  43      * @param inputFile
  44      *            filename of input file
  45      * @return bid for the file, 0 indicates no interest, 1 indicates that the
  46      *         processor recognizes the file but doesn't process it (header
  47      *         files, for example), 100 indicates strong interest
  48      */
  49     public int bid(String inputFile) {
  50         int bid = super.bid(inputFile);
  51         switch (bid) {
  52             //
  53             //  unrecognized extension, take the file
  54             //
  55             case 0 :
  56                 return 1;
  57             //
  58             //   discard the ignored extensions
  59             //
  60             case 1 :
  61                 return 0;
  62         }
  63         return bid;
  64     }
  65     public Processor changeEnvironment(boolean newEnvironment, Environment env) {
  66         return this;
  67     }
  68     abstract protected LinkerConfiguration createConfiguration(CCTask task,
  69             LinkType linkType, ProcessorDef[] baseConfigs,
  70             LinkerDef specificConfig, TargetDef targetPlatform);
  71     public ProcessorConfiguration createConfiguration(CCTask task,
  72             LinkType linkType, ProcessorDef[] baseConfigs,
  73             ProcessorDef specificConfig,
  74                         TargetDef targetPlatform) {
  75         if (specificConfig == null) {
  76             throw new NullPointerException("specificConfig");
  77         }
  78         return createConfiguration(task, linkType, baseConfigs,
  79                 (LinkerDef) specificConfig, targetPlatform);
  80     }
  81     public String getLibraryKey(File libfile) {
  82         return libfile.getName();
  83     }
  84     public abstract String getOutputFileName(String fileName);
  85 }