From 78e45126142ab1d2f114a86b4e57e34400dc3405 Mon Sep 17 00:00:00 2001
From: Alena Laskavaia <elaskavaia.cdt@gmail.com>
Date: Thu, 18 Mar 2010 15:03:30 +0000
Subject: [PATCH] - added real NamingConvention checker

---
 .../org.eclipse.cdt.codan.checkers/plugin.xml |  14 +++
 .../NamingConventionFunctionChecker.java      | 101 ++++++++++++++++++
 2 files changed, 115 insertions(+)
 create mode 100644 codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NamingConventionFunctionChecker.java

diff --git a/codan/org.eclipse.cdt.codan.checkers/plugin.xml b/codan/org.eclipse.cdt.codan.checkers/plugin.xml
index 475282f23c5..f2a7a7f1129 100644
--- a/codan/org.eclipse.cdt.codan.checkers/plugin.xml
+++ b/codan/org.eclipse.cdt.codan.checkers/plugin.xml
@@ -62,6 +62,20 @@
             id="org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem"
             name="Suggested parenthesis around expression">
       </problem>
+      </checker>
+      
+             <checker
+            class="org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker"
+            id="org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker"
+            name="NamingConventionFunctionChecker">
+      <problem
+            category="org.eclipse.cdt.codan.core.categories.CodeStyle"
+            defaultEnabled="false"
+            defaultSeverity="Info"
+            id="org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker"
+            messagePattern="Bad function name &quot;{0}&quot; (pattern /{1}/)"
+            name="Name convention for function">
+      </problem>
       </checker>
    </extension>
 </plugin>
diff --git a/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NamingConventionFunctionChecker.java b/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NamingConventionFunctionChecker.java
new file mode 100644
index 00000000000..8dcb67db460
--- /dev/null
+++ b/codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/NamingConventionFunctionChecker.java
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Alena Laskavaia 
+ * 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:
+ *    Alena Laskavaia  - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.codan.internal.checkers;
+
+import java.util.regex.Pattern;
+
+import org.eclipse.cdt.codan.core.cxx.model.AbstractIndexAstChecker;
+import org.eclipse.cdt.codan.core.model.ICheckerWithParameters;
+import org.eclipse.cdt.codan.core.model.IProblem;
+import org.eclipse.cdt.codan.core.model.IProblemParameterInfo;
+import org.eclipse.cdt.codan.core.model.IProblemWorkingCopy;
+import org.eclipse.cdt.core.dom.ast.ASTVisitor;
+import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
+import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
+import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
+
+/**
+ * @author Alena
+ * 
+ */
+public class NamingConventionFunctionChecker extends AbstractIndexAstChecker
+		implements ICheckerWithParameters {
+	private static final String DEFAULT_PATTERN = "^[a-z]"; // name starts with english lowercase letter //$NON-NLS-1$
+	public static final String PARAM_KEY = "pattern"; //$NON-NLS-1$
+	private static final String ER_ID = "org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker"; //$NON-NLS-1$
+
+	public void processAst(IASTTranslationUnit ast) {
+		final IProblem pt = getProblemById(ER_ID, getFile());
+		try {
+			ast.accept(new ASTVisitor() {
+				{
+					shouldVisitDeclarations = true;
+				}
+
+				public int visit(IASTDeclaration element) {
+					if (element instanceof IASTFunctionDefinition) {
+						String parameter = (String) pt.getParameter(PARAM_KEY);
+						Pattern pattern = Pattern.compile(parameter);
+						String name = ((IASTFunctionDefinition) element)
+								.getDeclarator().getName().toString();
+						if (!pattern.matcher(name).find()) {
+							reportProblem(ER_ID, getFile(), 1, // TODO: line
+																// number
+									name, parameter);
+						}
+					}
+					return PROCESS_SKIP;
+				}
+			});
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * org.eclipse.cdt.codan.core.model.ICheckerWithParameters#initParameters
+	 * (org.eclipse.cdt.codan.core.model.IProblemWorkingCopy)
+	 */
+	public void initParameters(IProblemWorkingCopy problem) {
+		IProblemParameterInfo info = new IProblemParameterInfo() {
+			public String getUiInfo() {
+				return null;
+			}
+
+			public String getType() {
+				return IProblemParameterInfo.TYPE_STRING;
+			}
+
+			public String getLabel() {
+				return "Name Pattern";
+			}
+
+			public String getKey() {
+				return PARAM_KEY;
+			}
+
+			public IProblemParameterInfo getElement(String key) {
+				return null;
+			}
+		};
+		problem.setParameterInfo(info);
+		problem.setParameter(PARAM_KEY, DEFAULT_PATTERN);
+	}
+
+	@Override
+	public boolean runInEditor() {
+		return true;
+	}
+
+}