165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2010 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include "config.h" 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "NPRuntimeUtilities.h" 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <wtf/text/CString.h> 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid* npnMemAlloc(uint32_t size) 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // We could use fastMalloc here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free, 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // so having them be equivalent seems like a good idea. 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return malloc(size); 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid npnMemFree(void* ptr) 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // We could use fastFree here, but there might be plug-ins that mix NPN_MemAlloc/NPN_MemFree with malloc and free, 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // so having them be equivalent seems like a good idea. 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch free(ptr); 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochNPString createNPString(const CString& string) 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch char* utf8Characters = npnMemNewArray<char>(string.length()); 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch memcpy(utf8Characters, string.data(), string.length()); 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch NPString npString; 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npString.UTF8Characters = utf8Characters; 5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npString.UTF8Length = string.length(); 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return npString; 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochNPObject* createNPObject(NPP npp, NPClass* npClass) 6065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(npClass); 6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch NPObject* npObject; 6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (npClass->allocate) 6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject = npClass->allocate(npp, npClass); 6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch else 6765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject = npnMemNew<NPObject>(); 6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject->_class = npClass; 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject->referenceCount = 1; 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return npObject; 7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid deallocateNPObject(NPObject* npObject) 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(npObject); 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!npObject) 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (npObject->_class->deallocate) 8265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject->_class->deallocate(npObject); 8365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch else 8465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npnMemFree(npObject); 8565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 8665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid retainNPObject(NPObject* npObject) 8865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 8965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(npObject); 9065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!npObject) 9165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 9265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject->referenceCount++; 9465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 9565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 9665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid releaseNPObject(NPObject* npObject) 9765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 9865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(npObject); 9965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!npObject) 10065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return; 10165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(npObject->referenceCount >= 1); 10365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npObject->referenceCount--; 10465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (!npObject->referenceCount) 10565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch deallocateNPObject(npObject); 10665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 10765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 10865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid releaseNPVariantValue(NPVariant* variant) 10965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 11065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch ASSERT(variant); 11165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 11265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch switch (variant->type) { 11365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Void: 11465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Null: 11565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Bool: 11665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Int32: 11765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Double: 11865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // Nothing to do. 11965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch break; 12065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 12165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_String: 12265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch npnMemFree(const_cast<NPUTF8*>(variant->value.stringValue.UTF8Characters)); 12365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch variant->value.stringValue.UTF8Characters = 0; 12465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch variant->value.stringValue.UTF8Length = 0; 12565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch break; 12665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch case NPVariantType_Object: 12765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch releaseNPObject(variant->value.objectValue); 12865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch variant->value.objectValue = 0; 12965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch break; 13065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 13165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 13265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch variant->type = NPVariantType_Void; 13365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 13465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 13565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 136