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Diffstat (limited to 'JavaScriptCore/bindings/npruntime.cpp')
| -rw-r--r-- | JavaScriptCore/bindings/npruntime.cpp | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/JavaScriptCore/bindings/npruntime.cpp b/JavaScriptCore/bindings/npruntime.cpp new file mode 100644 index 0000000..ea7ea63 --- /dev/null +++ b/JavaScriptCore/bindings/npruntime.cpp @@ -0,0 +1,226 @@ +/* + * Copyright (C) 2004, 2006 Apple Computer, 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 COMPUTER, INC. ``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 COMPUTER, INC. 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" + +#if !PLATFORM(DARWIN) || !defined(__LP64__) + +#include "npruntime_internal.h" +#include "npruntime_impl.h" +#include "npruntime_priv.h" + +#include "JSLock.h" +#include "c_utility.h" +#include "identifier.h" +#include <wtf/Assertions.h> +#include <wtf/HashMap.h> + +using namespace KJS::Bindings; + +typedef HashMap<RefPtr<KJS::UString::Rep>, PrivateIdentifier*> StringIdentifierMap; + +static StringIdentifierMap* getStringIdentifierMap() +{ + static StringIdentifierMap* stringIdentifierMap = 0; + if (!stringIdentifierMap) + stringIdentifierMap = new StringIdentifierMap; + return stringIdentifierMap; +} + +typedef HashMap<int, PrivateIdentifier*> IntIdentifierMap; + +static IntIdentifierMap* getIntIdentifierMap() +{ + static IntIdentifierMap* intIdentifierMap = 0; + if (!intIdentifierMap) + intIdentifierMap = new IntIdentifierMap; + return intIdentifierMap; +} + +NPIdentifier _NPN_GetStringIdentifier(const NPUTF8* name) +{ + ASSERT(name); + + if (name) { + PrivateIdentifier* identifier = 0; + + KJS::JSLock lock; + + identifier = getStringIdentifierMap()->get(identifierFromNPIdentifier(name).ustring().rep()); + if (identifier == 0) { + identifier = (PrivateIdentifier*)malloc(sizeof(PrivateIdentifier)); + // We never release identifier names, so this dictionary will grow, as will + // the memory for the identifier name strings. + identifier->isString = true; + identifier->value.string = strdup(name); + + getStringIdentifierMap()->set(identifierFromNPIdentifier(name).ustring().rep(), identifier); + } + return (NPIdentifier)identifier; + } + + return 0; +} + +void _NPN_GetStringIdentifiers(const NPUTF8** names, int32_t nameCount, NPIdentifier* identifiers) +{ + ASSERT(names); + ASSERT(identifiers); + + if (names && identifiers) + for (int i = 0; i < nameCount; i++) + identifiers[i] = _NPN_GetStringIdentifier(names[i]); +} + +NPIdentifier _NPN_GetIntIdentifier(int32_t intid) +{ + PrivateIdentifier* identifier; + + if (intid == 0 || intid == -1) { + static PrivateIdentifier* negativeOneAndZeroIdentifiers[2]; + + identifier = negativeOneAndZeroIdentifiers[intid + 1]; + if (!identifier) { + identifier = (PrivateIdentifier*)malloc(sizeof(PrivateIdentifier)); + identifier->isString = false; + identifier->value.number = intid; + + negativeOneAndZeroIdentifiers[intid + 1] = identifier; + } + } else { + identifier = getIntIdentifierMap()->get(intid); + if (!identifier) { + identifier = (PrivateIdentifier*)malloc(sizeof(PrivateIdentifier)); + // We never release identifier names, so this dictionary will grow. + identifier->isString = false; + identifier->value.number = intid; + + getIntIdentifierMap()->set(intid, identifier); + } + } + return (NPIdentifier)identifier; +} + +bool _NPN_IdentifierIsString(NPIdentifier identifier) +{ + PrivateIdentifier* i = (PrivateIdentifier*)identifier; + return i->isString; +} + +NPUTF8 *_NPN_UTF8FromIdentifier(NPIdentifier identifier) +{ + PrivateIdentifier* i = (PrivateIdentifier*)identifier; + if (!i->isString || !i->value.string) + return NULL; + + return (NPUTF8 *)strdup(i->value.string); +} + +int32_t _NPN_IntFromIdentifier(NPIdentifier identifier) +{ + PrivateIdentifier* i = (PrivateIdentifier*)identifier; + if (!i->isString) + return 0; + return i->value.number; +} + +void NPN_InitializeVariantWithStringCopy(NPVariant* variant, const NPString* value) +{ + variant->type = NPVariantType_String; + variant->value.stringValue.UTF8Length = value->UTF8Length; + variant->value.stringValue.UTF8Characters = (NPUTF8 *)malloc(sizeof(NPUTF8) * value->UTF8Length); + memcpy((void*)variant->value.stringValue.UTF8Characters, value->UTF8Characters, sizeof(NPUTF8) * value->UTF8Length); +} + +void _NPN_ReleaseVariantValue(NPVariant* variant) +{ + ASSERT(variant); + + if (variant->type == NPVariantType_Object) { + _NPN_ReleaseObject(variant->value.objectValue); + variant->value.objectValue = 0; + } else if (variant->type == NPVariantType_String) { + free((void*)variant->value.stringValue.UTF8Characters); + variant->value.stringValue.UTF8Characters = 0; + variant->value.stringValue.UTF8Length = 0; + } + + variant->type = NPVariantType_Void; +} + +NPObject *_NPN_CreateObject(NPP npp, NPClass* aClass) +{ + ASSERT(aClass); + + if (aClass) { + NPObject* obj; + if (aClass->allocate != NULL) + obj = aClass->allocate(npp, aClass); + else + obj = (NPObject*)malloc(sizeof(NPObject)); + + obj->_class = aClass; + obj->referenceCount = 1; + + return obj; + } + + return 0; +} + +NPObject* _NPN_RetainObject(NPObject* obj) +{ + ASSERT(obj); + + if (obj) + obj->referenceCount++; + + return obj; +} + +void _NPN_ReleaseObject(NPObject* obj) +{ + ASSERT(obj); + ASSERT(obj->referenceCount >= 1); + + if (obj && obj->referenceCount >= 1) { + if (--obj->referenceCount == 0) + _NPN_DeallocateObject(obj); + } +} + +void _NPN_DeallocateObject(NPObject *obj) +{ + ASSERT(obj); + + if (obj) { + if (obj->_class->deallocate) + obj->_class->deallocate(obj); + else + free(obj); + } +} + +#endif |