实现getKeys

Author: taoweiji

.idea/codeStyles/Project.xml

@@ -13,6 +13,8 @@
 import com.quickjs.android.JSObject;
 import com.quickjs.android.QuickJS;
 
+import java.util.Arrays;
+
 public class MainActivity extends AppCompatActivity {
 
  @Override
@@ -37,11 +39,14 @@ protected void onCreate(Bundle savedInstanceState) {
  void test() {
  QuickJS quickJS = QuickJS.createRuntime();
  JSContext jsContext = quickJS.createContext();
- jsContext.executeScript("function sayHello(param) {return param[0];}", "file.js");
- JSArray jsArray = new JSArray(jsContext);
- jsArray.push("Hello");
- String result = jsContext.executeStringFunction("sayHello", jsArray);
- Log.e("QuickJS", result);
+ jsContext.set("name", "Wiki");
+ jsContext.set("age", 18);
+ jsContext.set("gender", 1);
+// jsContext.executeScript("function sayHello(param) {return param[0];}", "file.js");
+// JSArray jsArray = new JSArray(jsContext);
+// jsArray.push("Hello");
+// String result = jsContext.executeStringFunction("sayHello", jsArray);
+ Log.e("QuickJS", Arrays.toString(jsContext.getKeys()));
  }
 
  void testV8() {

.idea/codeStyles/codeStyleConfig.xml

@@ -364,4 +364,29 @@ Java_com_quickjs_android_QuickJS__1arrayAdd__JJLjava_lang_String_2(JNIEnv *env,
  const char *value_str = env->GetStringUTFChars(value, NULL);
  JSValue value_ = JS_NewString(ctx, value_str);
  JS_SetPropertyUint32(ctx, this_obj, getArrayLength(ctx, this_obj), value_);
+}extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_quickjs_android_QuickJS__1contains(JNIEnv *env, jclass clazz, jlong context_ptr,
+ jlong object_handle, jstring key) {
+ JSContext *ctx = reinterpret_cast<JSContext *>(context_ptr);
+ JSValue this_obj = object_handle;
+ const char *key_ = env->GetStringUTFChars(key, NULL);
+ JSValue jsValue = JS_GetPropertyStr(ctx, this_obj, key_);
+ return JS_IsNull(jsValue);
+}extern "C"
+JNIEXPORT jobjectArray JNICALL
+Java_com_quickjs_android_QuickJS__1getKeys(JNIEnv *env, jclass clazz, jlong context_ptr,
+ jlong object_handle) {
+ JSContext *ctx = reinterpret_cast<JSContext *>(context_ptr);
+ JSValue this_obj = object_handle;
+ JSPropertyEnum *tab;
+ uint32_t len;
+ JS_GetOwnPropertyNames(ctx, &tab, &len, this_obj, JS_GPN_STRING_MASK | JS_GPN_ENUM_ONLY);
+ jclass strClass = env->FindClass("java/lang/String");
+ jobjectArray stringArray = env->NewObjectArray(len, strClass, NULL);
+ for (int i = 0; i < len; ++i) {
+ jstring key = env->NewStringUTF(JS_AtomToCString(ctx, tab[i].atom));
+ env->SetObjectArrayElement(stringArray, i, key);
+ }
+ return stringArray;
 }

example/src/main/java/com/quickjs/android/example/MainActivity.java

@@ -134,14 +134,10 @@ public Object executeJSFunction(String name, Object... parameters) {
  }
 
  public boolean contains(String key) {
- // TODO
- return false;
+ return QuickJS._contains(getContextPtr(), this.objectHandle, key);
  }
 
  public String[] getKeys() {
- // TODO
- return null;
+ return QuickJS._getKeys(getContextPtr(), this.objectHandle);
  }
-
-
 }

quickjs-android/src/main/cpp/quickjs-jni.cpp

@@ -11,6 +11,10 @@ public static QuickJS createRuntime() {
  return new QuickJS(_createRuntime());
  }
 
+ native static boolean _contains(long contextPtr, long objectHandle, String key);
+
+ native static String[] _getKeys(long contextPtr, long objectHandle);
+
 
  public JSContext createContext() {
  return new JSContext(_createContext(runtimePtr));