Moves JSC-specific functions from jni_utility and moves them to a new jsc/jni_utility_private.h.

See https://bugs.webkit.org/show_bug.cgi?id=32157

Change-Id: I1f7f0bb6fa9e72ee3eeb31160e0a828b3d076fee

2 files changed, 342 insertions, 0 deletions

diff --git a/WebCore/bridge/jni/jsc/jni_utility_private.cpp b/WebCore/bridge/jni/jsc/jni_utility_private.cpp
new file mode 100644
index 0000000..7f8afd5
--- /dev/null
+++ b/WebCore/bridge/jni/jsc/jni_utility_private.cpp
@@ -0,0 +1,291 @@
+/*
+ * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
+ * Copyright 2009, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "jni_utility_private.h"
+
+#if ENABLE(MAC_JAVA_BRIDGE)
+
+#include "jni_runtime.h"
+#include "runtime_array.h"
+#include "runtime_object.h"
+#include <runtime/JSArray.h>
+#include <runtime/JSLock.h>
+
+namespace JSC {
+
+namespace Bindings {
+
+static jobject convertArrayInstanceToJavaArray(ExecState* exec, JSArray* jsArray, const char* javaClassName)
+{
+    JNIEnv* env = getJNIEnv();
+    // As JS Arrays can contain a mixture of objects, assume we can convert to
+    // the requested Java Array type requested, unless the array type is some object array
+    // other than a string.
+    unsigned length = jsArray->length();
+    jobjectArray jarray = 0;
+
+    // Build the correct array type
+    switch (JNITypeFromPrimitiveType(javaClassName[1])) {
+    case object_type:
+            {
+            // Only support string object types
+            if (!strcmp("[Ljava.lang.String;", javaClassName)) {
+                jarray = (jobjectArray)env->NewObjectArray(length,
+                    env->FindClass("java/lang/String"),
+                    env->NewStringUTF(""));
+                for (unsigned i = 0; i < length; i++) {
+                    JSValue item = jsArray->get(exec, i);
+                    UString stringValue = item.toString(exec);
+                    env->SetObjectArrayElement(jarray, i,
+                        env->functions->NewString(env, (const jchar *)stringValue.data(), stringValue.size()));
+                }
+            }
+            break;
+        }
+
+    case boolean_type:
+        {
+            jarray = (jobjectArray)env->NewBooleanArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jboolean value = (jboolean)item.toNumber(exec);
+                env->SetBooleanArrayRegion((jbooleanArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case byte_type:
+        {
+            jarray = (jobjectArray)env->NewByteArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jbyte value = (jbyte)item.toNumber(exec);
+                env->SetByteArrayRegion((jbyteArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case char_type:
+        {
+            jarray = (jobjectArray)env->NewCharArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                UString stringValue = item.toString(exec);
+                jchar value = 0;
+                if (stringValue.size() > 0)
+                    value = ((const jchar*)stringValue.data())[0];
+                env->SetCharArrayRegion((jcharArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case short_type:
+        {
+            jarray = (jobjectArray)env->NewShortArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jshort value = (jshort)item.toNumber(exec);
+                env->SetShortArrayRegion((jshortArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case int_type:
+        {
+            jarray = (jobjectArray)env->NewIntArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jint value = (jint)item.toNumber(exec);
+                env->SetIntArrayRegion((jintArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case long_type:
+        {
+            jarray = (jobjectArray)env->NewLongArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jlong value = (jlong)item.toNumber(exec);
+                env->SetLongArrayRegion((jlongArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case float_type:
+        {
+            jarray = (jobjectArray)env->NewFloatArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jfloat value = (jfloat)item.toNumber(exec);
+                env->SetFloatArrayRegion((jfloatArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case double_type:
+        {
+            jarray = (jobjectArray)env->NewDoubleArray(length);
+            for (unsigned i = 0; i < length; i++) {
+                JSValue item = jsArray->get(exec, i);
+                jdouble value = (jdouble)item.toNumber(exec);
+                env->SetDoubleArrayRegion((jdoubleArray)jarray, (jsize)i, (jsize)1, &value);
+            }
+            break;
+        }
+
+    case array_type: // don't handle embedded arrays
+    case void_type: // Don't expect arrays of void objects
+    case invalid_type: // Array of unknown objects
+        break;
+    }
+
+    // if it was not one of the cases handled, then null is returned
+    return jarray;
+}
+
+jvalue convertValueToJValue(ExecState* exec, JSValue value, JNIType jniType, const char* javaClassName)
+{
+    JSLock lock(SilenceAssertionsOnly);
+
+    jvalue result;
+
+    switch (jniType) {
+    case array_type:
+    case object_type:
+        {
+            result.l = (jobject)0;
+
+            // First see if we have a Java instance.
+            if (value.isObject()) {
+                JSObject* objectImp = asObject(value);
+                if (objectImp->classInfo() == &RuntimeObjectImp::s_info) {
+                    RuntimeObjectImp* imp = static_cast<RuntimeObjectImp*>(objectImp);
+                    JavaInstance* instance = static_cast<JavaInstance*>(imp->getInternalInstance());
+                    if (instance)
+                        result.l = instance->javaInstance();
+                } else if (objectImp->classInfo() == &RuntimeArray::s_info) {
+                // Input is a JavaScript Array that was originally created from a Java Array
+                    RuntimeArray* imp = static_cast<RuntimeArray*>(objectImp);
+                    JavaArray* array = static_cast<JavaArray*>(imp->getConcreteArray());
+                    result.l = array->javaArray();
+                } else if (objectImp->classInfo() == &JSArray::info) {
+                    // Input is a Javascript Array. We need to create it to a Java Array.
+                    result.l = convertArrayInstanceToJavaArray(exec, asArray(value), javaClassName);
+                }
+            }
+
+            // Now convert value to a string if the target type is a java.lang.string, and we're not
+            // converting from a Null.
+            if (!result.l && !strcmp(javaClassName, "java.lang.String")) {
+#ifdef CONVERT_NULL_TO_EMPTY_STRING
+                if (value->isNull()) {
+                    JNIEnv* env = getJNIEnv();
+                    jchar buf[2];
+                    jobject javaString = env->functions->NewString(env, buf, 0);
+                    result.l = javaString;
+                } else
+#else
+                if (!value.isNull())
+#endif
+                {
+                    UString stringValue = value.toString(exec);
+                    JNIEnv* env = getJNIEnv();
+                    jobject javaString = env->functions->NewString(env, (const jchar *)stringValue.data(), stringValue.size());
+                    result.l = javaString;
+                }
+            } else if (!result.l)
+                bzero(&result, sizeof(jvalue)); // Handle it the same as a void case
+        }
+        break;
+
+    case boolean_type:
+        {
+            result.z = (jboolean)value.toNumber(exec);
+        }
+        break;
+
+    case byte_type:
+        {
+            result.b = (jbyte)value.toNumber(exec);
+        }
+        break;
+
+    case char_type:
+        {
+            result.c = (jchar)value.toNumber(exec);
+        }
+        break;
+
+    case short_type:
+        {
+            result.s = (jshort)value.toNumber(exec);
+        }
+        break;
+
+    case int_type:
+        {
+            result.i = (jint)value.toNumber(exec);
+        }
+        break;
+
+    case long_type:
+        {
+            result.j = (jlong)value.toNumber(exec);
+        }
+        break;
+
+    case float_type:
+        {
+            result.f = (jfloat)value.toNumber(exec);
+        }
+        break;
+
+    case double_type:
+        {
+            result.d = (jdouble)value.toNumber(exec);
+        }
+        break;
+
+        break;
+
+    case invalid_type:
+    default:
+    case void_type:
+        {
+            bzero(&result, sizeof(jvalue));
+        }
+        break;
+    }
+    return result;
+}
+
+}  // end of namespace Bindings
+
+} // end of namespace JSC
+
+#endif // ENABLE(MAC_JAVA_BRIDGE)
diff --git a/WebCore/bridge/jni/jsc/jni_utility_private.h b/WebCore/bridge/jni/jsc/jni_utility_private.h
new file mode 100644
index 0000000..647852e
--- /dev/null
+++ b/WebCore/bridge/jni/jsc/jni_utility_private.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
+ * Copyright 2009, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _JNI_UTILITY_PRIVATE_H_
+#define _JNI_UTILITY_PRIVATE_H_
+
+#if ENABLE(MAC_JAVA_BRIDGE)
+
+#include "jni_utility.h"
+#include <runtime/JSValue.h>
+
+namespace JSC {
+
+class ExecState;
+class JSObject;
+
+namespace Bindings {
+
+jvalue convertValueToJValue(ExecState*, JSValue, JNIType, const char* javaClassName);
+bool dispatchJNICall(ExecState*, const void* targetAppletView, jobject obj, bool isStatic, JNIType returnType, jmethodID methodID, jvalue* args, jvalue& result, const char* callingURL, JSValue& exceptionDescription);
+
+} // namespace Bindings
+
+} // namespace JSC
+
+#endif // ENABLE(MAC_JAVA_BRIDGE)
+
+#endif // _JNI_UTILITY_H_