1 files changed, 127 insertions, 0 deletions

diff --git a/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/RecipeCompletionProcessor.java b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/RecipeCompletionProcessor.java
new file mode 100644
index 0000000..034187a
--- /dev/null
+++ b/plugins/org.yocto.bc.ui/src/org/yocto/bc/ui/editors/bitbake/RecipeCompletionProcessor.java
@@ -0,0 +1,127 @@
+/*****************************************************************************
+ * Copyright (c) 2009 Ken Gilmer
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Ken Gilmer - initial API and implementation
+ *     Lianhao Lu (Intel) - remove compile warnings
+ *******************************************************************************/
+package org.yocto.bc.ui.editors.bitbake;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.jface.text.contentassist.IContextInformationValidator;
+import org.eclipse.jface.text.templates.DocumentTemplateContext;
+import org.eclipse.jface.text.templates.Template;
+import org.eclipse.jface.text.templates.TemplateContext;
+import org.eclipse.jface.text.templates.TemplateContextType;
+import org.eclipse.jface.text.templates.TemplateProposal;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.ui.ide.IDE.SharedImages;
+import org.eclipse.ui.PlatformUI;
+
+import org.yocto.bc.bitbake.BBLanguageHelper;
+import org.yocto.bc.ui.Activator;
+
+class RecipeCompletionProcessor implements IContentAssistProcessor {
+
+        private static final String CONTEXT_ID= "bitbake_variables"; //$NON-NLS-1$
+        private final TemplateContextType fContextType= new TemplateContextType(CONTEXT_ID, "Common BitBake Variables"); //$NON-NLS-1$
+        //private final TemplateContextType fKeywordContextType= new TemplateContextType("bitbake_keywords", "BitBake Keywords"); //$NON-NLS-1$
+        private final TemplateContextType fFunctionContextType = new TemplateContextType("bitbake_functions", "BitBake Functions");
+
+        RecipeCompletionProcessor() {
+        }
+
+        public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int offset) {
+                IDocument document= viewer.getDocument();
+                Region region= new Region(offset, 0);
+                
+                TemplateContext templateContext= new DocumentTemplateContext(fContextType, document, offset, 0);
+                //TemplateContext keywordContext = new DocumentTemplateContext(fKeywordContextType, document, offset, 0);
+                TemplateContext functionContext = new DocumentTemplateContext(fFunctionContextType, document, offset, 0);
+                
+                List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>();
+                
+                getVariableTemplateProposals(templateContext, region, proposals);
+                // getKeywordTemplateProposals(keywordContext, region, proposals);
+                getAddTaskTemplateProposals(templateContext, region, proposals);
+                getFunctionTemplateProposals(functionContext, region, proposals);
+                
+                return (ICompletionProposal[]) proposals.toArray(new ICompletionProposal[proposals.size()]);
+        }
+        
+        public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
+                return null;
+        }
+        
+        private Template generateVariableTemplate(String name, String description) {
+
+                return new Template(name, description, CONTEXT_ID, name + " = \"${" + name.toLowerCase() + "}\"", false);
+        }
+
+        private void getAddTaskTemplateProposals(TemplateContext templateContext, Region region, List<ICompletionProposal> p) {
+                        p.add(new TemplateProposal(new Template("addtask", "addtask statement", CONTEXT_ID, "addtask ${task_name} after ${do_previous_task} before ${do_next_task}", false),templateContext, region, PlatformUI.getWorkbench().getSharedImages().getImage(SharedImages.IMG_OBJS_BKMRK_TSK)));
+        }
+
+
+        public char[] getCompletionProposalAutoActivationCharacters() {
+                return null;
+        }
+
+        public char[] getContextInformationAutoActivationCharacters() {
+                return null;
+        }
+        
+        public IContextInformationValidator getContextInformationValidator() {
+                return null;
+        }
+
+        public String getErrorMessage() {
+                return null;
+        }
+
+        private void getFunctionTemplateProposals(TemplateContext templateContext, Region region, List<ICompletionProposal> p) {
+                String [] keywords = BBLanguageHelper.BITBAKE_STANDARD_FUNCTIONS;
+                Image img = Activator.getDefault().getImageRegistry().get(Activator.IMAGE_FUNCTION);
+                Arrays.sort(keywords);
+                
+                for (int i = 0; i < keywords.length; ++i) {
+                        p.add(new TemplateProposal(new Template(keywords[i], keywords[i] + " function", CONTEXT_ID, "do_" + keywords[i] + "() {\n\n}", false), templateContext, region, img));
+                }
+        }
+        /*
+        private void getKeywordTemplateProposals(TemplateContext templateContext, Region region, List<TemplateProposal> p) {
+                String [] keywords = BBLanguageHelper.BITBAKE_KEYWORDS;
+                
+                Arrays.sort(keywords);
+                
+                for (int i = 0; i < keywords.length; ++i) {
+                        p.add(new TemplateProposal(new Template(keywords[i], keywords[i] + " keyword", CONTEXT_ID, keywords[i] + " ", false),templateContext, region, null));
+                }
+        }
+        */
+
+        private void getVariableTemplateProposals(TemplateContext templateContext, Region region, List<ICompletionProposal> p) {
+                Map<String, String> n = BBLanguageHelper.getCommonBitbakeVariables();
+                Image img = Activator.getDefault().getImageRegistry().get(Activator.IMAGE_VARIABLE);
+                for (Iterator<String> i = n.keySet().iterator(); i.hasNext();) {
+                        String name = (String) i.next();
+                        String description = (String) n.get(name);
+                        p.add(new TemplateProposal(generateVariableTemplate(name, description), templateContext, region, img)); 
+                }       
+        }
+}
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