improved PHP parser
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / ui / text / template / DeclarationEngine.java
index 56e309e..835b5d4 100644 (file)
@@ -8,34 +8,54 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.SortedMap;
 
-import net.sourceforge.phpdt.internal.corext.template.ContextType;
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
 import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
-import net.sourceforge.phpdt.internal.corext.template.php.PHPUnitContext;
-import net.sourceforge.phpdt.internal.ui.PHPUiImages;
+import net.sourceforge.phpdt.internal.corext.template.php.JavaContext;
+import net.sourceforge.phpdt.internal.corext.template.php.JavaContextType;
 import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.builder.PHPIdentifierLocation;
 
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.ITextViewer;
 import org.eclipse.jface.text.Region;
 import org.eclipse.swt.graphics.Point;
-//import org.eclipse.jdt.internal.ui.text.link.LinkedPositionManager;
+//import net.sourceforge.phpdt.internal.ui.text.link.LinkedPositionManager;
 
 public class DeclarationEngine {
 
   /** The context type. */
-  private ContextType fContextType;
+  private JavaContextType fContextType;
   /** The result proposals. */
   private ArrayList fProposals = new ArrayList();
+  /** Token determines last which declarations are allowed for proposal */
+  private int fLastSignificantToken;
+
+  private IProject fProject;
+//  private IFile fFile;
+  private String fFileName;
 
   /**
    * Creates the template engine for a particular context type.
    * See <code>TemplateContext</code> for supported context types.
    */
-  public DeclarationEngine(ContextType contextType) {
+  public DeclarationEngine(IProject project, JavaContextType contextType, int lastSignificantToken, IFile file) {
     // Assert.isNotNull(contextType);
+    fProject = project;
     fContextType = contextType;
+
+    fLastSignificantToken = lastSignificantToken;
+//    fFile = file;
+    if (file != null) {
+      fFileName = file.getProjectRelativePath().toString();
+    } else {
+      fFileName = "";
+    }
   }
 
   /**
@@ -58,22 +78,22 @@ public class DeclarationEngine {
   /**
    * Inspects the context of the compilation unit around <code>completionPosition</code>
    * and feeds the collector with proposals.
+   * 
    * @param viewer the text viewer
    * @param completionPosition the context position in the document of the text viewer
    * @param compilationUnit the compilation unit (may be <code>null</code>)
    */
-  public void complete(ITextViewer viewer, int completionPosition, SortedMap map)
-  //,ICompilationUnit compilationUnit)
-  //hrows JavaModelException
-  {
+  public void completeObject(ITextViewer viewer, int completionPosition, SortedMap map, ICompilationUnit compilationUnit) {
     IDocument document = viewer.getDocument();
 
     if (!(fContextType instanceof CompilationUnitContextType))
       return;
 
     Point selection = viewer.getSelectedRange();
+
     // remember selected text
     String selectedText = null;
+
     if (selection.y != 0) {
       try {
         selectedText = document.get(selection.x, selection.y);
@@ -81,30 +101,161 @@ public class DeclarationEngine {
       }
     }
 
-    ((CompilationUnitContextType) fContextType).setContextParameters(document, completionPosition, selection.y); //mpilationUnit);
+    JavaContext context = (JavaContext) fContextType.createContext(document, completionPosition,selection.y,compilationUnit);
+    context.setVariable("selection", selectedText); //$NON-NLS-1$
 
-    PHPUnitContext context = (PHPUnitContext) fContextType.createContext();
     int start = context.getStart();
     int end = context.getEnd();
-               String prefix = context.getKey();
+    String prefix = context.getKey();
     IRegion region = new Region(start, end - start);
 
     String identifier = null;
-    
-    SortedMap subMap = map.subMap(prefix,prefix+'\255');
+
+    SortedMap subMap = map.subMap(prefix, prefix + '\255');
     Iterator iter = subMap.keySet().iterator();
+    PHPIdentifierLocation location;
+    ArrayList list; 
+    int maxProposals = PHPeclipsePlugin.MAX_PROPOSALS;
+    while (iter.hasNext()) {
+      identifier = (String) iter.next();
+      if (context.canEvaluate(identifier)) {
+        list = (ArrayList) subMap.get(identifier);
+        for (int i = 0; i < list.size(); i++) {
+          location = (PHPIdentifierLocation) list.get(i);
+          int type = location.getType();
+          switch (fLastSignificantToken) {
+            case ITerminalSymbols.TokenNameMINUS_GREATER :
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+              break;
+            case ITerminalSymbols.TokenNameVariable :
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+//            check all filenames of the subclasses
+//              if (fFileName.equals(location.getFilename())) {
+//                continue; // for loop
+//              }
+              break;
+            case ITerminalSymbols.TokenNamethis_PHP_COMPLETION:
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+              // check all filenames of the subclasses
+//              if (!fFileName.equals(location.getFilename())) {
+//                continue; // for loop
+//              }
+              break;
+            case ITerminalSymbols.TokenNamenew :
+              if (type != PHPIdentifierLocation.CLASS && type != PHPIdentifierLocation.CONSTRUCTOR) {
+                continue; // for loop
+              }
+              break;
+            default :
+              if (type == PHPIdentifierLocation.METHOD || type == PHPIdentifierLocation.CONSTRUCTOR || type == PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+          }
+          if (maxProposals-- < 0) {
+            return;
+          }
+          fProposals.add( new DeclarationProposal(fProject, identifier, location, context, region, viewer));
+        }
+      }
+    }
+
+  }
+  
+  /**
+   * Inspects the context of the compilation unit around <code>completionPosition</code>
+   * and feeds the collector with proposals.
+   * @param viewer the text viewer
+   * @param completionPosition the context position in the document of the text viewer
+   * @param compilationUnit the compilation unit (may be <code>null</code>)
+   */
+  public void complete(ITextViewer viewer, int completionPosition, SortedMap map, ICompilationUnit compilationUnit) {
+    IDocument document = viewer.getDocument();
+
+    if (!(fContextType instanceof CompilationUnitContextType))
+      return;
+
+    Point selection = viewer.getSelectedRange();
+
+    // remember selected text
+    String selectedText = null;
 
+    if (selection.y != 0) {
+      try {
+        selectedText = document.get(selection.x, selection.y);
+      } catch (BadLocationException e) {
+      }
+    }
+
+//    ((CompilationUnitContextType) fContextType).setContextParameters(document, completionPosition, selection.y);
+
+//    CompilationUnitContext context = (CompilationUnitContext) fContextType.createContext();
+    JavaContext context = (JavaContext) fContextType.createContext(document, completionPosition,selection.y,compilationUnit);
+    context.setVariable("selection", selectedText); //$NON-NLS-1$
+
+    int start = context.getStart();
+    int end = context.getEnd();
+    String prefix = context.getKey();
+    IRegion region = new Region(start, end - start);
+
+    String identifier = null;
+
+    SortedMap subMap = map.subMap(prefix, prefix + '\255');
+    Iterator iter = subMap.keySet().iterator();
+    PHPIdentifierLocation location;
+    ArrayList list;
+    int maxProposals = PHPeclipsePlugin.MAX_PROPOSALS;
     while (iter.hasNext()) {
       identifier = (String) iter.next();
       if (context.canEvaluate(identifier)) {
-        fProposals.add(
-          new DeclarationProposal(
-            identifier,
-            context,
-            region,
-            viewer,
-            PHPUiImages.get(PHPUiImages.IMG_FUN),
-            PHPUiImages.get(PHPUiImages.IMG_VAR)));
+        list = (ArrayList) subMap.get(identifier);
+        for (int i = 0; i < list.size(); i++) {
+          location = (PHPIdentifierLocation) list.get(i);
+          int type = location.getType();
+          switch (fLastSignificantToken) {
+            case ITerminalSymbols.TokenNameMINUS_GREATER :
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+              break;
+            case ITerminalSymbols.TokenNameVariable :
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+//            check all filenames of the subclasses
+              if (fFileName.equals(location.getFilename())) {
+                continue; // for loop
+              }
+              break;
+            case ITerminalSymbols.TokenNamethis_PHP_COMPLETION:
+              if (type != PHPIdentifierLocation.METHOD && type != PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+              // check all filenames of the subclasses
+              if (!fFileName.equals(location.getFilename())) {
+                continue; // for loop
+              }
+              break;
+            case ITerminalSymbols.TokenNamenew :
+              if (type != PHPIdentifierLocation.CLASS && type != PHPIdentifierLocation.CONSTRUCTOR) {
+                continue; // for loop
+              }
+              break;
+            default :
+              if (type == PHPIdentifierLocation.METHOD || type == PHPIdentifierLocation.CONSTRUCTOR || type == PHPIdentifierLocation.VARIABLE) {
+                continue; // for loop
+              }
+          }
+          if (maxProposals-- < 0) {
+            return;
+          }
+          fProposals.add( new DeclarationProposal(fProject, identifier, location, context, region, viewer));
+        }
       }
     }