Add plagiarism detection

build.gradle

@@ -252,6 +252,7 @@ dependencies {
     implementation "de.jplag:swift:${jplag_version}"
     implementation "de.jplag:java:${jplag_version}"
     implementation "de.jplag:python-3:${jplag_version}"
+    implementation "de.jplag:cpp:${jplag_version}"
     implementation "de.jplag:text:${jplag_version}"
 
     // those are transitive dependencies of JPlag Text --> Stanford NLP

docs/user/exercises/programming-exercise-features.inc

@@ -73,7 +73,7 @@ Instructors can still use those templates to generate programming exercises and
   +----------------------+----------------------+----------------------+---------------------+--------------+------------------------------------------+------------------------------+----------------------------+------------------------+
   | JavaScript           | no                   | no                   | no                  | no           | n/a                                      | no                           | no                         | L: yes, J: no          |
   +----------------------+----------------------+----------------------+---------------------+--------------+------------------------------------------+------------------------------+----------------------------+------------------------+
-  | C++                  | no                   | no                   | no                  | no           | n/a                                      | no                           | no                         | L: yes, J: no          |
+  | C++                  | no                   | no                   | yes                 | no           | n/a                                      | no                           | no                         | L: yes, J: no          |
   +----------------------+----------------------+----------------------+---------------------+--------------+------------------------------------------+------------------------------+----------------------------+------------------------+
 
   - *Sequential Test Runs*: ``Artemis`` can generate a build plan which first executes structural and then behavioral tests. This feature can help students to better concentrate on the immediate challenge at hand.

src/main/java/de/tum/cit/aet/artemis/plagiarism/service/ProgrammingPlagiarismDetectionService.java

@@ -30,6 +30,7 @@
 import de.jplag.Language;
 import de.jplag.c.CLanguage;
 import de.jplag.clustering.ClusteringOptions;
+import de.jplag.cpp.CPPLanguage;
 import de.jplag.exceptions.ExitException;
 import de.jplag.java.JavaLanguage;
 import de.jplag.kotlin.KotlinLanguage;
@@ -313,6 +314,7 @@ private Language getJPlagProgrammingLanguage(ProgrammingExercise programmingExer
             case PYTHON -> new PythonLanguage();
             case SWIFT -> new SwiftLanguage();
             case KOTLIN -> new KotlinLanguage();
+            case C_PLUS_PLUS -> new CPPLanguage();
             default -> throw new BadRequestAlertException("Programming language " + programmingExercise.getProgrammingLanguage() + " not supported for plagiarism check.",
                     "ProgrammingExercise", "notSupported");
         };

src/main/java/de/tum/cit/aet/artemis/programming/service/gitlabci/GitLabCIProgrammingLanguageFeatureService.java

@@ -28,6 +28,6 @@ public GitLabCIProgrammingLanguageFeatureService() {
         programmingLanguageFeatures.put(JAVA, new ProgrammingLanguageFeature(JAVA, false, false, false, true, false, List.of(PLAIN_MAVEN, MAVEN_MAVEN), false, false));
         programmingLanguageFeatures.put(RUST, new ProgrammingLanguageFeature(RUST, false, false, false, false, false, List.of(), false, false));
         programmingLanguageFeatures.put(JAVASCRIPT, new ProgrammingLanguageFeature(JAVASCRIPT, false, false, false, false, false, List.of(), false, false));
-        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, false, false, false, List.of(), false, false));
+        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, true, false, false, List.of(), false, false));
     }
 }

src/main/java/de/tum/cit/aet/artemis/programming/service/jenkins/JenkinsProgrammingLanguageFeatureService.java

@@ -44,6 +44,6 @@ public JenkinsProgrammingLanguageFeatureService() {
         programmingLanguageFeatures.put(HASKELL, new ProgrammingLanguageFeature(HASKELL, false, false, false, false, true, List.of(), false, false));
         programmingLanguageFeatures.put(RUST, new ProgrammingLanguageFeature(RUST, false, false, false, false, false, List.of(), false, false));
         programmingLanguageFeatures.put(JAVASCRIPT, new ProgrammingLanguageFeature(JAVASCRIPT, false, false, false, false, false, List.of(), false, false));
-        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, false, false, false, List.of(), false, false));
+        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, true, false, false, List.of(), false, false));
     }
 }

src/main/java/de/tum/cit/aet/artemis/programming/service/localci/LocalCIProgrammingLanguageFeatureService.java

@@ -52,6 +52,6 @@ public LocalCIProgrammingLanguageFeatureService() {
         programmingLanguageFeatures.put(SWIFT, new ProgrammingLanguageFeature(SWIFT, false, false, true, true, false, List.of(PLAIN), false, true));
         programmingLanguageFeatures.put(RUST, new ProgrammingLanguageFeature(RUST, false, false, false, false, false, List.of(), false, true));
         programmingLanguageFeatures.put(JAVASCRIPT, new ProgrammingLanguageFeature(JAVASCRIPT, false, false, false, false, false, List.of(), false, true));
-        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, false, false, false, List.of(), false, true));
+        programmingLanguageFeatures.put(C_PLUS_PLUS, new ProgrammingLanguageFeature(C_PLUS_PLUS, false, false, true, false, false, List.of(), false, true));
     }
 }