X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/DeclarationEngine.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/DeclarationEngine.java
new file mode 100644
index 0000000..69781c9
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/template/DeclarationEngine.java
@@ -0,0 +1,299 @@
+/*
+ * (c) Copyright IBM Corp. 2000, 2001.
+ * All Rights Reserved.
+ */
+package net.sourceforge.phpdt.internal.ui.text.template;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.SortedMap;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
+import net.sourceforge.phpdt.core.compiler.ITerminalSymbols.TokenName;
+import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
+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;
+
+public class DeclarationEngine {
+
+	/** The context type. */
+	private JavaContextType fContextType;
+
+	/** The result proposals. */
+	private ArrayList fProposals = new ArrayList();
+
+	/** Token determines last which declarations are allowed for proposal */
+	private TokenName 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(IProject project, JavaContextType contextType,
+			TokenName lastSignificantToken, IFile file) {
+		// Assert.isNotNull(contextType);
+		fProject = project;
+		fContextType = contextType;
+
+		fLastSignificantToken = lastSignificantToken;
+		// fFile = file;
+		if (file != null) {
+			fFileName = file.getProjectRelativePath().toString();
+		} else {
+			fFileName = "";
+		}
+	}
+
+	/**
+	 * Empties the collector.
+	 * 
+	 * @param viewer
+	 *            the text viewer
+	 * @param unit
+	 *            the compilation unit (may be <code>null</code>)
+	 */
+	public void reset() {
+		fProposals.clear();
+	}
+
+	/**
+	 * Returns the array of matching templates.
+	 */
+	public IPHPCompletionProposal[] getResults() {
+		return (IPHPCompletionProposal[]) fProposals
+				.toArray(new IPHPCompletionProposal[fProposals.size()]);
+	}
+
+	/**
+	 * 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 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);
+			} catch (BadLocationException e) {
+			}
+		}
+
+		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)) {
+				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 MINUS_GREATER:
+						if (type != PHPIdentifierLocation.METHOD
+								&& type != PHPIdentifierLocation.VARIABLE) {
+							continue; // for loop
+						}
+						break;
+					case VARIABLE:
+						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 THIS_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 NEW:
+						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)) {
+				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 MINUS_GREATER:
+						if (type != PHPIdentifierLocation.METHOD
+								&& type != PHPIdentifierLocation.VARIABLE) {
+							continue; // for loop
+						}
+						break;
+					case VARIABLE:
+						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 THIS_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 NEW:
+						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));
+				}
+			}
+		}
+
+	}
+
+}