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abbb240d24
javascript now statically included git-svn-id: svn://dyne.org/rastasoft/freej/freej@610 383723c8-4afa-0310-b8a8-b1afb83214fc
208 lines
7.4 KiB
C
208 lines
7.4 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* This file is part of the Java-vendor-neutral implementation of LiveConnect
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*
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* It contains the code for reading and writing elements of a Java array.
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*/
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#include "jsj_private.h" /* LiveConnect internals */
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/*
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* Read the Java value at a given index into a Java array and convert it
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* to a JS value. The array_component_signature describes the type of
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* the resulting Java value, which can be a primitive type or an object type.
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* More specifically it can be an array type in the case of multidimensional
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* arrays.
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*/
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JSBool
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jsj_GetJavaArrayElement(JSContext *cx, JNIEnv *jEnv, jarray java_array, jsize index,
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JavaSignature *array_component_signature,
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jsval *vp)
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{
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jvalue java_value;
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JavaSignatureChar component_type;
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JSBool success;
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#define GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Type,member) \
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(*jEnv)->Get##Type##ArrayRegion(jEnv, java_array, index, 1, \
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&java_value.member); \
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if ((*jEnv)->ExceptionOccurred(jEnv)) { \
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jsj_ReportJavaError(cx, jEnv, "Error reading element of " \
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"Java primitive array"); \
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return JS_FALSE; \
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}
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component_type = array_component_signature->type;
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switch(component_type) {
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case JAVA_SIGNATURE_BYTE:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Byte,b);
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break;
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case JAVA_SIGNATURE_CHAR:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Char,c);
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break;
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case JAVA_SIGNATURE_SHORT:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Short,s);
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break;
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case JAVA_SIGNATURE_INT:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Int,i);
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break;
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case JAVA_SIGNATURE_BOOLEAN:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Boolean,z);
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break;
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case JAVA_SIGNATURE_LONG:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Long,j);
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break;
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case JAVA_SIGNATURE_FLOAT:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Float,f);
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break;
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case JAVA_SIGNATURE_DOUBLE:
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GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Double,d);
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break;
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/* Non-primitive (reference) type */
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default:
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JS_ASSERT(component_type >= JAVA_SIGNATURE_ARRAY);
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java_value.l = (*jEnv)->GetObjectArrayElement(jEnv, java_array, index);
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if ((*jEnv)->ExceptionOccurred(jEnv)) {
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jsj_ReportJavaError(cx, jEnv, "Error reading Java object array");
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return JS_FALSE;
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}
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success = jsj_ConvertJavaObjectToJSValue(cx, jEnv, java_value.l, vp);
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(*jEnv)->DeleteLocalRef(jEnv, java_value.l);
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return success;
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#undef GET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY
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case JAVA_SIGNATURE_UNKNOWN:
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case JAVA_SIGNATURE_VOID:
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JS_ASSERT(0); /* Unknown java type signature */
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return JS_FALSE;
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}
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return jsj_ConvertJavaValueToJSValue(cx, jEnv, array_component_signature, &java_value, vp);
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}
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JSBool
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jsj_SetJavaArrayElement(JSContext *cx, JNIEnv *jEnv, jarray java_array, jsize index,
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JavaSignature *array_component_signature,
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jsval js_val)
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{
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int dummy_cost;
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jvalue java_value;
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JavaSignatureChar component_type;
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JSBool is_local_ref;
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if (!jsj_ConvertJSValueToJavaValue(cx, jEnv, js_val, array_component_signature,
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&dummy_cost, &java_value, &is_local_ref))
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return JS_FALSE;
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#define SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Type,member) \
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(*jEnv)->Set##Type##ArrayRegion(jEnv, java_array, index, 1, \
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&java_value.member); \
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if ((*jEnv)->ExceptionOccurred(jEnv)) { \
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jsj_ReportJavaError(cx, jEnv, "Error assigning to element of " \
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"Java primitive array"); \
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return JS_FALSE; \
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}
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component_type = array_component_signature->type;
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switch(component_type) {
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case JAVA_SIGNATURE_BYTE:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Byte,b);
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break;
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case JAVA_SIGNATURE_CHAR:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Char,c);
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break;
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case JAVA_SIGNATURE_SHORT:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Short,s);
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break;
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case JAVA_SIGNATURE_INT:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Int,i);
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break;
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case JAVA_SIGNATURE_BOOLEAN:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Boolean,z);
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break;
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case JAVA_SIGNATURE_LONG:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Long,j);
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break;
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case JAVA_SIGNATURE_FLOAT:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Float,f);
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break;
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case JAVA_SIGNATURE_DOUBLE:
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SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY(Double,d);
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break;
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/* Non-primitive (reference) type */
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default:
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JS_ASSERT(IS_REFERENCE_TYPE(component_type));
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(*jEnv)->SetObjectArrayElement(jEnv, java_array, index, java_value.l);
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if (is_local_ref) \
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(*jEnv)->DeleteLocalRef(jEnv, java_value.l);
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if ((*jEnv)->ExceptionOccurred(jEnv)) {
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jsj_ReportJavaError(cx, jEnv, "Error assigning to Java object array");
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return JS_FALSE;
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}
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break;
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#undef SET_ELEMENT_FROM_PRIMITIVE_JAVA_ARRAY
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case JAVA_SIGNATURE_UNKNOWN:
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case JAVA_SIGNATURE_VOID:
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JS_ASSERT(0); /* Unknown java type signature */
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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