GP-2582 - Added a 'Does Not Match Regex' column filter

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/ColumnTypeMapper.java

@@ -19,6 +19,7 @@ import java.util.List;
 import java.util.Objects;
 
 import docking.widgets.table.constraint.provider.NumberColumnConstraintProvider;
+import generic.json.Json;
 import ghidra.util.classfinder.ExtensionPoint;
 import utilities.util.reflection.ReflectionUtilities;
 
@@ -59,6 +60,11 @@ public abstract class ColumnTypeMapper<T, M> implements ExtensionPoint {
 		this.destinationType = destinationType;
 	}
 
+	@Override
+	public String toString() {
+		return Json.toString(this);
+	}
+
 	@Override
 	public int hashCode() {
 		return Objects.hash(sourceType, destinationType);

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/MappedColumnConstraint.java

@@ -17,6 +17,7 @@ package docking.widgets.table.constraint;
 
 import docking.widgets.table.constrainteditor.ColumnConstraintEditor;
 import docking.widgets.table.constrainteditor.MappedColumnConstraintEditor;
+import generic.json.Json;
 import ghidra.util.SystemUtilities;
 
 /**
@@ -100,6 +101,11 @@ public class MappedColumnConstraint<T, M> implements ColumnConstraint<T> {
 		return delegate;
 	}
 
+	@Override
+	public String toString() {
+		return Json.toString(this);
+	}
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/StringColumnConstraint.java

@@ -125,6 +125,11 @@ public abstract class StringColumnConstraint implements ColumnConstraint<String>
 		return copy(newValue);
 	}
 
+	@Override
+	public String toString() {
+		return getName();
+	}
+
 	@Override
 	public int hashCode() {
 		return Objects.hash(this.getClass(), getPatternString());

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/StringMatchesColumnConstraint.java

@@ -21,7 +21,7 @@ import java.util.regex.PatternSyntaxException;
 /**
  * String column constraint for matching column values if they match a full regular expression pattern.
  */
-public class StringMatcherColumnConstraint extends StringColumnConstraint {
+public class StringMatchesColumnConstraint extends StringColumnConstraint {
 	/**
 	 * Constructor
 	 *
@@ -30,7 +30,7 @@ public class StringMatcherColumnConstraint extends StringColumnConstraint {
 	 *
 	 * @param spec the string to use to create a "matcher" pattern.
 	 */
-	public StringMatcherColumnConstraint(String spec) {
+	public StringMatchesColumnConstraint(String spec) {
 		super(spec, "Please enter a regular expression.");
 	}
 
@@ -41,7 +41,7 @@ public class StringMatcherColumnConstraint extends StringColumnConstraint {
 
 	@Override
 	public ColumnConstraint<String> copy(String newPatternString) {
-		return new StringMatcherColumnConstraint(newPatternString);
+		return new StringMatchesColumnConstraint(newPatternString);
 	}
 
 	@Override

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/StringNotMatchesColumnConstraint.java

@@ -0,0 +1,58 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package docking.widgets.table.constraint;
+
+/**
+ * String column constraint for matching column values if they do not match a full regular
+ * expression pattern.
+ */
+public class StringNotMatchesColumnConstraint extends StringMatchesColumnConstraint {
+
+	/**
+	 * Constructor
+	 *
+	 * <P> This class is for users to enter true regular expression which is why it creates
+	 * a pattern directly without using the UserSearchUtils
+	 *
+	 * @param spec the string to use to create a "matcher" pattern.
+	 */
+	public StringNotMatchesColumnConstraint(String spec) {
+		super(spec);
+	}
+
+	@Override
+	public String getName() {
+		return "Does Not Match Regex";
+	}
+
+	@Override
+	public String getGroup() {
+		return "z string";
+	}
+
+	@Override
+	public ColumnConstraint<String> copy(String newPatternString) {
+		return new StringNotMatchesColumnConstraint(newPatternString);
+	}
+
+	@Override
+	public boolean accepts(String value, TableFilterContext context) {
+		if (value == null) {
+			return false;
+		}
+		return !matchesPattern.matcher(value).matches();
+	}
+}

Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constraint/provider/StringColumnConstraintProvider.java

@@ -31,7 +31,8 @@ public class StringColumnConstraintProvider implements ColumnConstraintProvider
 		list.add(new StringContainsColumnConstraint(""));
 		list.add(new StringStartsWithColumnConstraint(""));
 
-		list.add(new StringMatcherColumnConstraint(""));
+		list.add(new StringMatchesColumnConstraint(""));
+		list.add(new StringNotMatchesColumnConstraint(""));
 		list.add(new StringNotContainsColumnConstraint(""));
 		list.add(new StringNotStartsWithColumnConstraint(""));
 

Ghidra/Framework/Docking/src/test/java/docking/widgets/table/columnfilter/ColumnTableFilterTest.java

@@ -171,6 +171,27 @@ public class ColumnTableFilterTest {
 		assertEquals("Ellen", tableModel.getValueAt(1, col));
 	}
 
+	@Test
+	public void testStringNotMatchesColumnFilter() {
+		addFirstFilter("Name", "Does Not Match Regex", ".*l.*e.*");
+
+		applyFilter();
+
+		//
+		// Data: "Alice", "Bob", "Chuck", "Dave", "Ellen", "Frank"
+		//
+		// The regex matches Alice and Ellen, but it is then negated
+		//
+		assertEquals(4, tableModel.getRowCount());
+
+		// does not match: Alice and Ellen
+		int col = getColumn("Name");
+		assertEquals("Bob", tableModel.getValueAt(0, col));
+		assertEquals("Chuck", tableModel.getValueAt(1, col));
+		assertEquals("Dave", tableModel.getValueAt(2, col));
+		assertEquals("Frank", tableModel.getValueAt(3, col));
+	}
+
 	@Test
 	public void testStringNotContainsColumnFilter() {
 		addFirstFilter("Name", "Does Not Contain", "l");