Tools/Java/Source/Cpptasks/net/sf/antcontrib/cpptasks/borland/BorlandCfgParser.java

   1 /*
   2  *
   3  * Copyright 2002-2004 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.borland;
  18 import java.io.IOException;
  19 import java.io.Reader;
  20 import java.util.Vector;
  21
  22 import net.sf.antcontrib.cpptasks.parser.AbstractParser;
  23 import net.sf.antcontrib.cpptasks.parser.AbstractParserState;
  24 import net.sf.antcontrib.cpptasks.parser.LetterState;
  25 import net.sf.antcontrib.cpptasks.parser.WhitespaceOrLetterState;
  26 /**
  27  * A parser that paths from a borland cfg file
  28  *
  29  * @author Curt Arnold
  30  */
  31 public final class BorlandCfgParser extends AbstractParser {
  32     private AbstractParserState newLineState;
  33     private final Vector path = new Vector();
  34     /**
  35      *
  36      *
  37      */
  38     public BorlandCfgParser(char switchChar) {
  39         //
  40         //   a quoted path (-I"some path")
  41         //      doesn't end till a close quote and will be abandoned
  42         //      if a new line is encountered first
  43         //
  44         AbstractParserState quote = new CfgFilenameState(this, new char[]{'"'});
  45         //
  46         //    an unquoted path (-Ic:\borland\include)
  47         //      ends at the first space or new line
  48         AbstractParserState unquote = new CfgFilenameState(this, new char[]{
  49                 ' ', '\n', '\r'});
  50         AbstractParserState quoteBranch = new QuoteBranchState(this, quote,
  51                 unquote);
  52         AbstractParserState toNextSwitch = new ConsumeToSpaceOrNewLine(this);
  53         AbstractParserState switchState = new LetterState(this, switchChar,
  54                 quoteBranch, toNextSwitch);
  55         newLineState = new WhitespaceOrLetterState(this, '-', switchState);
  56     }
  57     public void addFilename(String include) {
  58         path.addElement(include);
  59     }
  60     public AbstractParserState getNewLineState() {
  61         return newLineState;
  62     }
  63     public String[] parsePath(Reader reader) throws IOException {
  64         path.setSize(0);
  65         super.parse(reader);
  66         String[] retval = new String[path.size()];
  67         path.copyInto(retval);
  68         return retval;
  69     }
  70 }