C++ (Cpp) jsj_LookupJavaStaticMemberDescriptorById Examples

Example #1

File: jsj_class.c Project: amyvmiwei/firefox

JavaMemberDescriptor *
jsj_GetJavaStaticMemberDescriptor(JSContext *cx,
                                  JNIEnv *jEnv, 
                                  JavaClassDescriptor *class_descriptor,
                                  jstring member_name_jstr)
{
    JavaMemberDescriptor *member_descriptor;
    jsid id;

    if (!JavaStringToId(cx, jEnv, member_name_jstr, &id))
        return NULL;

    member_descriptor = jsj_LookupJavaStaticMemberDescriptorById(cx, jEnv, class_descriptor, id);
    if (member_descriptor)
        return member_descriptor;

    member_descriptor = JS_malloc(cx, sizeof(JavaMemberDescriptor));
    if (!member_descriptor)
        return NULL;
    memset(member_descriptor, 0, sizeof(JavaMemberDescriptor));

    member_descriptor->name = jsj_DupJavaStringUTF(cx, jEnv, member_name_jstr);
    if (!member_descriptor->name) {
        JS_free(cx, member_descriptor);
        return NULL;
    }
    member_descriptor->id = id;

    member_descriptor->next = class_descriptor->static_members;
    class_descriptor->static_members = member_descriptor;

    return member_descriptor;
}

Example #2

File: jsj_JavaClass.c Project: bluecherrydvr/omv

static JSBool
lookup_static_member_by_id(JSContext *cx, JNIEnv *jEnv, JSObject *obj,
                           JavaClassDescriptor **class_descriptorp,
                           jsid id, JavaMemberDescriptor **memberp)
{
    jsval idval;
    JavaMemberDescriptor *member_descriptor;
    const char *member_name;
    JavaClassDescriptor *class_descriptor;

    class_descriptor = JS_GetPrivate(cx, obj);
    if (!class_descriptor) {
        *class_descriptorp = NULL;
        *memberp = NULL;
        return JS_TRUE;
    }
    
    if (class_descriptorp)
        *class_descriptorp = class_descriptor;
    
    member_descriptor = jsj_LookupJavaStaticMemberDescriptorById(cx, jEnv, class_descriptor, id);
    if (!member_descriptor) {
        JS_IdToValue(cx, id, &idval);
        if (!JSVAL_IS_STRING(idval)) {
            JS_ReportErrorNumber(cx, jsj_GetErrorMessage, NULL, 
                                            JSJMSG_BAD_JCLASS_EXPR);
            return JS_FALSE;
        }

        member_name = JS_GetStringBytes(JSVAL_TO_STRING(idval));
        
        /*
         * See if the property looks like the explicit resolution of an
         * overloaded method, e.g. "max(double,double)".
         */
        member_descriptor =
            jsj_ResolveExplicitMethod(cx, jEnv, class_descriptor, id, JS_TRUE);
        if (member_descriptor)
            goto done;

        /* Why do we have to do this ? */
        if (!strcmp(member_name, "prototype")) {
            *memberp = NULL;
            return JS_TRUE;
        }

        JS_ReportErrorNumber(cx, jsj_GetErrorMessage, NULL, 
                        JSJMSG_MISSING_NAME,
                       class_descriptor->name, member_name);
        return JS_FALSE;
    }

done:
    if (memberp)
        *memberp = member_descriptor;
    return JS_TRUE;
}