diff options
Diffstat (limited to 'Source/WebKit/win/COMVariantSetter.h')
-rw-r--r-- | Source/WebKit/win/COMVariantSetter.h | 388 |
1 files changed, 194 insertions, 194 deletions
diff --git a/Source/WebKit/win/COMVariantSetter.h b/Source/WebKit/win/COMVariantSetter.h index feb233c..e211dca 100644 --- a/Source/WebKit/win/COMVariantSetter.h +++ b/Source/WebKit/win/COMVariantSetter.h @@ -1,194 +1,194 @@ -/*
- * Copyright (C) 2007, 2008 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. ``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
- * 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.
- */
-
-#ifndef COMVariantSetter_h
-#define COMVariantSetter_h
-
-#include <WebCore/BString.h>
-#include <WebCore/COMPtr.h>
-#include <wtf/Assertions.h>
-#include <wtf/Forward.h>
-
-template<typename T> struct COMVariantSetter {};
-
-template<typename T> struct COMVariantSetterBase
-{
- static inline VARENUM variantType(const T&)
- {
- return COMVariantSetter<T>::VariantType;
- }
-};
-
-template<> struct COMVariantSetter<WTF::String> : COMVariantSetterBase<WTF::String>
-{
- static const VARENUM VariantType = VT_BSTR;
-
- static void setVariant(VARIANT* variant, const WTF::String& value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_BSTR(variant) = WebCore::BString(value).release();
- }
-};
-
-template<> struct COMVariantSetter<bool> : COMVariantSetterBase<bool>
-{
- static const VARENUM VariantType = VT_BOOL;
-
- static void setVariant(VARIANT* variant, bool value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_BOOL(variant) = value;
- }
-};
-
-template<> struct COMVariantSetter<unsigned long long> : COMVariantSetterBase<unsigned long long>
-{
- static const VARENUM VariantType = VT_UI8;
-
- static void setVariant(VARIANT* variant, unsigned long long value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_UI8(variant) = value;
- }
-};
-
-template<> struct COMVariantSetter<int> : COMVariantSetterBase<int>
-{
- static const VARENUM VariantType = VT_I4;
-
- static void setVariant(VARIANT* variant, int value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_I4(variant) = value;
- }
-};
-
-template<> struct COMVariantSetter<float> : COMVariantSetterBase<float>
-{
- static const VARENUM VariantType = VT_R4;
-
- static void setVariant(VARIANT* variant, float value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_R4(variant) = value;
- }
-};
-
-template<typename T> struct COMVariantSetter<COMPtr<T> > : COMVariantSetterBase<COMPtr<T> >
-{
- static const VARENUM VariantType = VT_UNKNOWN;
-
- static void setVariant(VARIANT* variant, const COMPtr<T>& value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_UNKNOWN(variant) = value.get();
- value->AddRef();
- }
-};
-
-template<typename COMType, typename UnderlyingType>
-struct COMIUnknownVariantSetter : COMVariantSetterBase<UnderlyingType>
-{
- static const VARENUM VariantType = VT_UNKNOWN;
-
- static void setVariant(VARIANT* variant, const UnderlyingType& value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- V_VT(variant) = VariantType;
- V_UNKNOWN(variant) = COMType::createInstance(value);
- }
-};
-
-class COMVariant {
-public:
- COMVariant()
- {
- ::VariantInit(&m_variant);
- }
-
- template<typename UnderlyingType>
- COMVariant(UnderlyingType value)
- {
- ::VariantInit(&m_variant);
- COMVariantSetter<UnderlyingType>::setVariant(&m_variant, value);
- }
-
- ~COMVariant()
- {
- ::VariantClear(&m_variant);
- }
-
- COMVariant(const COMVariant& other)
- {
- ::VariantInit(&m_variant);
- other.copyTo(&m_variant);
- }
-
- COMVariant& operator=(const COMVariant& other)
- {
- other.copyTo(&m_variant);
- return *this;
- }
-
- void copyTo(VARIANT* dest) const
- {
- ::VariantCopy(dest, const_cast<VARIANT*>(&m_variant));
- }
-
- VARENUM variantType() const { return static_cast<VARENUM>(V_VT(&m_variant)); }
-
-private:
- VARIANT m_variant;
-};
-
-template<> struct COMVariantSetter<COMVariant>
-{
- static inline VARENUM variantType(const COMVariant& value)
- {
- return value.variantType();
- }
-
- static void setVariant(VARIANT* variant, const COMVariant& value)
- {
- ASSERT(V_VT(variant) == VT_EMPTY);
-
- value.copyTo(variant);
- }
-};
-
-#endif // COMVariantSetter
+/* + * Copyright (C) 2007, 2008 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. ``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 + * 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. + */ + +#ifndef COMVariantSetter_h +#define COMVariantSetter_h + +#include <WebCore/BString.h> +#include <WebCore/COMPtr.h> +#include <wtf/Assertions.h> +#include <wtf/Forward.h> + +template<typename T> struct COMVariantSetter {}; + +template<typename T> struct COMVariantSetterBase +{ + static inline VARENUM variantType(const T&) + { + return COMVariantSetter<T>::VariantType; + } +}; + +template<> struct COMVariantSetter<WTF::String> : COMVariantSetterBase<WTF::String> +{ + static const VARENUM VariantType = VT_BSTR; + + static void setVariant(VARIANT* variant, const WTF::String& value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_BSTR(variant) = WebCore::BString(value).release(); + } +}; + +template<> struct COMVariantSetter<bool> : COMVariantSetterBase<bool> +{ + static const VARENUM VariantType = VT_BOOL; + + static void setVariant(VARIANT* variant, bool value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_BOOL(variant) = value; + } +}; + +template<> struct COMVariantSetter<unsigned long long> : COMVariantSetterBase<unsigned long long> +{ + static const VARENUM VariantType = VT_UI8; + + static void setVariant(VARIANT* variant, unsigned long long value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_UI8(variant) = value; + } +}; + +template<> struct COMVariantSetter<int> : COMVariantSetterBase<int> +{ + static const VARENUM VariantType = VT_I4; + + static void setVariant(VARIANT* variant, int value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_I4(variant) = value; + } +}; + +template<> struct COMVariantSetter<float> : COMVariantSetterBase<float> +{ + static const VARENUM VariantType = VT_R4; + + static void setVariant(VARIANT* variant, float value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_R4(variant) = value; + } +}; + +template<typename T> struct COMVariantSetter<COMPtr<T> > : COMVariantSetterBase<COMPtr<T> > +{ + static const VARENUM VariantType = VT_UNKNOWN; + + static void setVariant(VARIANT* variant, const COMPtr<T>& value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_UNKNOWN(variant) = value.get(); + value->AddRef(); + } +}; + +template<typename COMType, typename UnderlyingType> +struct COMIUnknownVariantSetter : COMVariantSetterBase<UnderlyingType> +{ + static const VARENUM VariantType = VT_UNKNOWN; + + static void setVariant(VARIANT* variant, const UnderlyingType& value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + V_VT(variant) = VariantType; + V_UNKNOWN(variant) = COMType::createInstance(value); + } +}; + +class COMVariant { +public: + COMVariant() + { + ::VariantInit(&m_variant); + } + + template<typename UnderlyingType> + COMVariant(UnderlyingType value) + { + ::VariantInit(&m_variant); + COMVariantSetter<UnderlyingType>::setVariant(&m_variant, value); + } + + ~COMVariant() + { + ::VariantClear(&m_variant); + } + + COMVariant(const COMVariant& other) + { + ::VariantInit(&m_variant); + other.copyTo(&m_variant); + } + + COMVariant& operator=(const COMVariant& other) + { + other.copyTo(&m_variant); + return *this; + } + + void copyTo(VARIANT* dest) const + { + ::VariantCopy(dest, const_cast<VARIANT*>(&m_variant)); + } + + VARENUM variantType() const { return static_cast<VARENUM>(V_VT(&m_variant)); } + +private: + VARIANT m_variant; +}; + +template<> struct COMVariantSetter<COMVariant> +{ + static inline VARENUM variantType(const COMVariant& value) + { + return value.variantType(); + } + + static void setVariant(VARIANT* variant, const COMVariant& value) + { + ASSERT(V_VT(variant) == VT_EMPTY); + + value.copyTo(variant); + } +}; + +#endif // COMVariantSetter |