Allow filtering which symbols are exported (#178)

Author: ThadHouse

build.gradle

@@ -12,7 +12,7 @@ targetCompatibility = 11
 
 allprojects {
     group = "edu.wpi.first"
-    version = "2024.3.2"
+    version = "2024.4.0"
 
     if (project.hasProperty('publishVersion')) {
         version = project.publishVersion

src/main/java/edu/wpi/first/nativeutils/exports/ExportsConfig.java

@@ -1,11 +1,15 @@
 package edu.wpi.first.nativeutils.exports;
 
+import java.io.File;
 import java.util.List;
 
 import org.gradle.api.Action;
 import org.gradle.api.Named;
 import org.gradle.api.provider.ListProperty;
 import org.gradle.api.provider.Property;
+import org.gradle.api.specs.Spec;
+
+import groovy.lang.Closure;
 
 public interface ExportsConfig extends Named {
     ListProperty<String> getArm64ExcludeSymbols();
@@ -21,4 +25,8 @@ public interface ExportsConfig extends Named {
     Property<Action<List<String>>> getX86SymbolFilter();
 
     Property<Action<List<String>>> getX64SymbolFilter();
+
+    Property<Spec<File>> getObjectFilter();
+
+    Property<Closure<?>> getObjectFilterClosure();
 }

src/main/java/edu/wpi/first/nativeutils/exports/ExportsGenerationTask.java

@@ -12,13 +12,16 @@
 import org.gradle.api.DefaultTask;
 import org.gradle.api.file.ConfigurableFileCollection;
 import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.specs.Spec;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.InputFile;
 import org.gradle.api.tasks.InputFiles;
 import org.gradle.api.tasks.OutputFile;
 import org.gradle.api.tasks.TaskAction;
 import org.gradle.process.ExecSpec;
 
+import groovy.lang.Closure;
+
 public abstract class ExportsGenerationTask extends DefaultTask implements Action<ExecSpec> {
 
     @InputFiles
@@ -110,7 +113,16 @@ public void execute() {
     public void execute(ExecSpec exec) {
         exec.setExecutable(getDefFileGenerator().get().getAsFile().toString());
         exec.args(getDefFile().get().getAsFile().toString());
-        exec.args(getSourceFiles());
+
+        Spec<File> objectFilter = getExportsConfig().getObjectFilter().getOrElse(null);
+        Closure<?> objectFilterClosure = getExportsConfig().getObjectFilterClosure().getOrElse(null);
+        if (objectFilter == null && objectFilterClosure == null) {
+            exec.args(getSourceFiles());
+        } else if (objectFilterClosure == null) {
+            exec.args(getSourceFiles().filter(objectFilter));
+        } else {
+            exec.args(getSourceFiles().filter(objectFilterClosure));
+        }
     }
 
 }

testing/cpp/build.gradle

@@ -2,7 +2,7 @@ import edu.wpi.first.toolchain.NativePlatforms
 
 plugins {
     id "cpp"
-    id "edu.wpi.first.NativeUtils" version "2024.3.2"
+    id "edu.wpi.first.NativeUtils" version "2024.4.0"
 }
 
 nativeUtils.addWpiNativeUtils()