3m9 compatible;
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / core / BasicCompilationUnit.java
index f0176e0..c6c0f0f 100644 (file)
@@ -13,11 +13,15 @@ package net.sourceforge.phpdt.internal.core;
 import java.io.File;
 import java.io.IOException;
 
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IJavaProject;
 import net.sourceforge.phpdt.core.compiler.CharOperation;
 import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
 import net.sourceforge.phpdt.internal.compiler.util.Util;
 
-import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
 
 /**
  * A basic implementation of <code>ICompilationUnit</code>
@@ -31,21 +35,79 @@ public class BasicCompilationUnit implements ICompilationUnit {
   protected char[] mainTypeName;
   protected String encoding;
 
-  public BasicCompilationUnit(char[] contents, char[][] packageName, String fileName, String encoding) {
-    this.contents = contents;
-    this.fileName = fileName.toCharArray();
-    this.packageName = packageName;
+//  public BasicCompilationUnit(char[] contents, char[][] packageName, String fileName, String encoding) {
+//    this.contents = contents;
+//    this.fileName = fileName.toCharArray();
+//    this.packageName = packageName;
+//
+//    int start = fileName.lastIndexOf("/") + 1; //$NON-NLS-1$
+//    if (start == 0 || start < fileName.lastIndexOf("\\")) //$NON-NLS-1$
+//      start = fileName.lastIndexOf("\\") + 1; //$NON-NLS-1$
+//
+//    int end = fileName.lastIndexOf("."); //$NON-NLS-1$
+//    if (end == -1)
+//      end = fileName.length();
+//
+//    this.mainTypeName = fileName.substring(start, end).toCharArray();
+//    this.encoding = encoding;
+//  }
+  public BasicCompilationUnit(char[] contents, char[][] packageName, String fileName) {
+       this.contents = contents;
+       this.fileName = fileName.toCharArray();
+       this.packageName = packageName;
 
-    int start = fileName.lastIndexOf("/") + 1; //$NON-NLS-1$
-    if (start == 0 || start < fileName.lastIndexOf("\\")) //$NON-NLS-1$
-      start = fileName.lastIndexOf("\\") + 1; //$NON-NLS-1$
+       int start = fileName.lastIndexOf("/") + 1; //$NON-NLS-1$
+       if (start == 0 || start < fileName.lastIndexOf("\\")) //$NON-NLS-1$
+               start = fileName.lastIndexOf("\\") + 1; //$NON-NLS-1$
 
-    int end = fileName.lastIndexOf("."); //$NON-NLS-1$
-    if (end == -1)
-      end = fileName.length();
+       int end = fileName.lastIndexOf("."); //$NON-NLS-1$
+       if (end == -1)
+               end = fileName.length();
 
-    this.mainTypeName = fileName.substring(start, end).toCharArray();
-    this.encoding = encoding;
+       this.mainTypeName = fileName.substring(start, end).toCharArray();
+       this.encoding = null;
+}
+  public BasicCompilationUnit(char[] contents, char[][] packageName, String fileName, String encoding) {
+       this(contents, packageName, fileName);
+       this.encoding = encoding;
+  }
+  public BasicCompilationUnit(char[] contents, char[][] packageName, String fileName, IJavaElement javaElement) {
+       this(contents, packageName, fileName);
+       initEncoding(javaElement);
+  }
+  /*
+   * Initialize compilation unit encoding.
+   * If we have a project, then get file name corresponding IFile and retrieve its encoding using
+   * new API for encoding.
+   * In case of a class file, then go through project in order to let the possibility to retrieve
+   * a corresponding source file resource.
+   * If we have a compilation unit, then get encoding from its resource directly...
+   */
+  private void initEncoding(IJavaElement javaElement) {
+       if (javaElement != null) {
+               try {
+                       IJavaProject javaProject = javaElement.getJavaProject();
+                       switch (javaElement.getElementType()) {
+                               case IJavaElement.COMPILATION_UNIT:
+                                       IFile file = (IFile) javaElement.getResource();
+                                       if (file != null) {
+                                               this.encoding = file.getCharset();
+                                               break;
+                                       }
+                                       // if no file, then get project encoding
+                               default:
+                                       IProject project = (IProject) javaProject.getResource();
+                                       if (project != null) {
+                                               this.encoding = project.getDefaultCharset();
+                                       }
+                                       break;
+                       }
+               } catch (CoreException e1) {
+                       this.encoding = null;
+               }
+       } else  {
+               this.encoding = null;
+       }
   }
   public char[] getContents() {
     if (this.contents != null)