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, String encoding) {
  34                 this.resource = resource;
  35                 this.sourceLocation = sourceLocation;
  36                 this.initialTypeName = extractTypeName();
  37                 this.encoding = encoding;
  38         }
  39
  40         public boolean equals(Object o) {
  41                 if (this == o)
  42                         return true;
  43                 if (!(o instanceof SourceFile))
  44                         return false;
  45
  46                 SourceFile f = (SourceFile) o;
  47                 return sourceLocation == f.sourceLocation && resource.getFullPath().equals(f.resource.getFullPath());
  48         }
  49
  50         String extractTypeName() {
  51                 // answer a String with the qualified type name for the source file in the
  52                 // form: 'p1/p2/A'
  53                 IPath fullPath = resource.getFullPath();
  54                 int resourceSegmentCount = fullPath.segmentCount();
  55                 int sourceFolderSegmentCount = sourceLocation.sourceFolder.getFullPath().segmentCount();
  56                 String extension = fullPath.getFileExtension();
  57                 int ext_length = extension == null ? 0 : extension.length() + 1;
  58                 int charCount = (resourceSegmentCount - sourceFolderSegmentCount - 1) - ext_length; // length
  59                                                                                                                                                                                                                                                                                                                                 // of
  60                                                                                                                                                                                                                                                                                                                                 // ".php"
  61                 for (int i = sourceFolderSegmentCount; i < resourceSegmentCount; i++)
  62                         charCount += fullPath.segment(i).length();
  63
  64                 char[] result = new char[charCount];
  65                 int offset = 0;
  66                 resourceSegmentCount--; // deal with the last segment separately
  67                 for (int i = sourceFolderSegmentCount; i < resourceSegmentCount; i++) {
  68                         String segment = fullPath.segment(i);
  69                         int size = segment.length();
  70                         segment.getChars(0, size, result, offset);
  71                         offset += size;
  72                         result[offset++] = '/';
  73                 }
  74                 String segment = fullPath.segment(resourceSegmentCount);
  75                 int size = segment.length() - ext_length; // length of ".php"
  76                 segment.getChars(0, size, result, offset);
  77                 return new String(result);
  78         }
  79
  80         public char[] getContents() {
  81
  82                 try {
  83                         return Util.getResourceContentsAsCharArray(resource, this.encoding);
  84                 } catch (CoreException e) {
  85                         throw new AbortCompilation(true, new MissingSourceFileException(resource.getFullPath().toString()));
  86                 }
  87         }
  88
  89         public char[] getFileName() {
  90                 return resource.getFullPath().toString().toCharArray(); // do not know what
  91                                                                                                                                                                                                                                                 // you want to
  92                                                                                                                                                                                                                                                 // return here
  93         }
  94
  95         public char[] getMainTypeName() {
  96                 char[] typeName = initialTypeName.toCharArray();
  97                 int lastIndex = CharOperation.lastIndexOf('/', typeName);
  98                 return CharOperation.subarray(typeName, lastIndex + 1, -1);
  99         }
 100
 101         public char[][] getPackageName() {
 102                 char[] typeName = initialTypeName.toCharArray();
 103                 int lastIndex = CharOperation.lastIndexOf('/', typeName);
 104                 return CharOperation.splitOn('/', typeName, 0, lastIndex);
 105         }
 106
 107         String typeLocator() {
 108                 return resource.getProjectRelativePath().toString();
 109         }
 110
 111         public String toString() {
 112                 return "SourceFile[" //$NON-NLS-1$
 113                                 + resource.getFullPath() + "]"; //$NON-NLS-1$
 114         }
 115
 116         public IResource getResource() {
 117                 return resource;
 118         }
 119
 120 }