| /* |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 "NPRuntimeUtilities.h" |
| |
| #include <wtf/text/CString.h> |
| |
| namespace WebKit { |
| |
| void* npnMemAlloc(uint32_t size) |
| { |
| // We could use fastMalloc here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free, |
| // so having them be equivalent seems like a good idea. |
| return malloc(size); |
| } |
| |
| void npnMemFree(void* ptr) |
| { |
| // We could use fastFree here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free, |
| // so having them be equivalent seems like a good idea. |
| free(ptr); |
| } |
| |
| NPString createNPString(const CString& string) |
| { |
| char* utf8Characters = npnMemNewArray<char>(string.length()); |
| memcpy(utf8Characters, string.data(), string.length()); |
| |
| NPString npString; |
| npString.UTF8Characters = utf8Characters; |
| npString.UTF8Length = string.length(); |
| |
| return npString; |
| } |
| |
| NPObject* createNPObject(NPP npp, NPClass* npClass) |
| { |
| ASSERT(npClass); |
| |
| NPObject* npObject; |
| if (npClass->allocate) |
| npObject = npClass->allocate(npp, npClass); |
| else |
| npObject = npnMemNew<NPObject>(); |
| |
| npObject->_class = npClass; |
| npObject->referenceCount = 1; |
| |
| return npObject; |
| } |
| |
| void deallocateNPObject(NPObject* npObject) |
| { |
| ASSERT(npObject); |
| if (!npObject) |
| return; |
| |
| if (npObject->_class->deallocate) |
| npObject->_class->deallocate(npObject); |
| else |
| npnMemFree(npObject); |
| } |
| |
| void retainNPObject(NPObject* npObject) |
| { |
| ASSERT(npObject); |
| if (!npObject) |
| return; |
| |
| npObject->referenceCount++; |
| } |
| |
| void releaseNPObject(NPObject* npObject) |
| { |
| ASSERT(npObject); |
| if (!npObject) |
| return; |
| |
| ASSERT(npObject->referenceCount >= 1); |
| npObject->referenceCount--; |
| if (!npObject->referenceCount) |
| deallocateNPObject(npObject); |
| } |
| |
| void releaseNPVariantValue(NPVariant* variant) |
| { |
| ASSERT(variant); |
| |
| switch (variant->type) { |
| case NPVariantType_Void: |
| case NPVariantType_Null: |
| case NPVariantType_Bool: |
| case NPVariantType_Int32: |
| case NPVariantType_Double: |
| // Nothing to do. |
| break; |
| |
| case NPVariantType_String: |
| npnMemFree(const_cast<NPUTF8*>(variant->value.stringValue.UTF8Characters)); |
| variant->value.stringValue.UTF8Characters = 0; |
| variant->value.stringValue.UTF8Length = 0; |
| break; |
| case NPVariantType_Object: |
| releaseNPObject(variant->value.objectValue); |
| variant->value.objectValue = 0; |
| break; |
| } |
| |
| variant->type = NPVariantType_Void; |
| } |
| |
| } // namespace WebKit |