net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/builder/SourceFile.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.core.builder;
  12
  13 import net.sourceforge.phpdt.core.compiler.CharOperation;
  14 import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
  15 import net.sourceforge.phpdt.internal.compiler.problem.AbortCompilation;
  16 import net.sourceforge.phpdt.internal.core.util.Util;
  17
  18 import org.eclipse.core.resources.IFile;
  19 import org.eclipse.core.resources.IResource;
  20 import org.eclipse.core.runtime.CoreException;
  21 import org.eclipse.core.runtime.IPath;
  22
  23 public class SourceFile implements ICompilationUnit {
  24
  25         IFile resource;
  26
  27         ClasspathMultiDirectory sourceLocation;
  28
  29         String initialTypeName;
  30
  31         String encoding;
  32
  33         public SourceFile(IFile resource, ClasspathMultiDirectory sourceLocation,
  34                         String encoding) {
  35                 this.resource = resource;
  36                 this.sourceLocation = sourceLocation;
  37                 this.initialTypeName = extractTypeName();
  38                 this.encoding = encoding;
  39         }
  40
  41         public boolean equals(Object o) {
  42                 if (this == o)
  43                         return true;
  44                 if (!(o instanceof SourceFile))
  45                         return false;
  46
  47                 SourceFile f = (SourceFile) o;
  48                 return sourceLocation == f.sourceLocation
  49                                 && resource.getFullPath().equals(f.resource.getFullPath());
  50         }
  51
  52         String extractTypeName() {
  53                 // answer a String with the qualified type name for the source file in
  54                 // the
  55                 // form: 'p1/p2/A'
  56                 IPath fullPath = resource.getFullPath();
  57                 int resourceSegmentCount = fullPath.segmentCount();
  58                 int sourceFolderSegmentCount = sourceLocation.sourceFolder
  59                                 .getFullPath().segmentCount();
  60                 String extension = fullPath.getFileExtension();
  61                 int ext_length = extension == null ? 0 : extension.length() + 1;
  62                 int charCount = (resourceSegmentCount - sourceFolderSegmentCount - 1)
  63                                 - ext_length; // length
  64                 // of
  65                 // ".php"
  66                 for (int i = sourceFolderSegmentCount; i < resourceSegmentCount; i++)
  67                         charCount += fullPath.segment(i).length();
  68
  69                 char[] result = new char[charCount];
  70                 int offset = 0;
  71                 resourceSegmentCount--; // deal with the last segment separately
  72                 for (int i = sourceFolderSegmentCount; i < resourceSegmentCount; i++) {
  73                         String segment = fullPath.segment(i);
  74                         int size = segment.length();
  75                         segment.getChars(0, size, result, offset);
  76                         offset += size;
  77                         result[offset++] = '/';
  78                 }
  79                 String segment = fullPath.segment(resourceSegmentCount);
  80                 int size = segment.length() - ext_length; // length of ".php"
  81                 segment.getChars(0, size, result, offset);
  82                 return new String(result);
  83         }
  84
  85         public char[] getContents() {
  86
  87                 try {
  88                         return Util.getResourceContentsAsCharArray(resource, this.encoding);
  89                 } catch (CoreException e) {
  90                         throw new AbortCompilation(true, new MissingSourceFileException(
  91                                         resource.getFullPath().toString()));
  92                 }
  93         }
  94
  95         public char[] getFileName() {
  96                 return resource.getFullPath().toString().toCharArray(); // do not know
  97                                                                                                                                 // what
  98                 // you want to
  99                 // return here
 100         }
 101
 102         public char[] getMainTypeName() {
 103                 char[] typeName = initialTypeName.toCharArray();
 104                 int lastIndex = CharOperation.lastIndexOf('/', typeName);
 105                 return CharOperation.subarray(typeName, lastIndex + 1, -1);
 106         }
 107
 108         public char[][] getPackageName() {
 109                 char[] typeName = initialTypeName.toCharArray();
 110                 int lastIndex = CharOperation.lastIndexOf('/', typeName);
 111                 return CharOperation.splitOn('/', typeName, 0, lastIndex);
 112         }
 113
 114         String typeLocator() {
 115                 return resource.getProjectRelativePath().toString();
 116         }
 117
 118         public String toString() {
 119                 return "SourceFile[" //$NON-NLS-1$
 120                                 + resource.getFullPath() + "]"; //$NON-NLS-1$
 121         }
 122
 123         public IResource getResource() {
 124                 return resource;
 125         }
 126
 127 }