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Diffstat (limited to 'shared/com_util.h')
| -rw-r--r-- | shared/com_util.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/shared/com_util.h b/shared/com_util.h deleted file mode 100644 index b8fc777d..00000000 --- a/shared/com_util.h +++ /dev/null @@ -1,133 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) * -// ************************************************************************** - -#ifndef COM_UTILITY_HEADER -#define COM_UTILITY_HEADER - -#include "com_ptr.h" -#include <string> -#include <cassert> - - -namespace util -{ -//get an enumeration interface as a std::vector of bound(!) ComPtr(s) -template <class T, class U> -std::vector<ComPtr<T> > convertEnum(const ComPtr<U>& enumObj); //enumObj: must have the "_NewEnum" property that supports the IEnumUnknown interface - -/* -extract text from com object member function returning a single BSTR: HRESULT ComInterface::MemFun([out] BSTR *pbstr); - Example: ComPtr<...> comObj =...; - std::wstring description = getText(comObj, &IUPnPDevice::get_Description); -*/ -template <class T, class MemFun> -std::wstring getText(ComPtr<T> comObj, MemFun memFun); - - -//RAII class handling BSTR -class Bstring -{ -public: - Bstring(const std::wstring& str) { str_ = ::SysAllocStringLen(str.data(), str.length()); } //string::data() returns unmodified string potentially containing 0-values - ~Bstring() { if (str_) ::SysFreeString(str_); } - - const BSTR get() const { return str_; } - -private: - Bstring(const Bstring&); //not implemented - Bstring& operator=(const Bstring&); // - - BSTR str_; -}; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -//############################ inline implemenatation ################################## -template <class T, class U> -inline -std::vector<ComPtr<T> > convertEnum(const ComPtr<U>& enumObj) -{ - std::vector<ComPtr<T> > output; - - if (enumObj) - { - ComPtr<IUnknown> unknown; - enumObj->get__NewEnum(unknown.init()); - ComPtr<IEnumUnknown> enumUnknown = com_dynamic_cast<IEnumUnknown>(unknown); - - assert(enumUnknown); //IEnumUnknown must be supported! - if (enumUnknown) - { - ComPtr<IUnknown> itemTmp; - while (enumUnknown->Next(1, itemTmp.init(), NULL) == S_OK) //returns S_FALSE == 1 when finished! Don't use SUCCEEDED()!!! - { - ComPtr<T> itemNew = com_dynamic_cast<T>(itemTmp); - if (itemNew) - output.push_back(itemNew); - } - } - } - - return output; -} - - -template <class T, class MemFun> -inline -std::wstring getText(ComPtr<T> comObj, MemFun memFun) -{ - std::wstring text; - { - if (!comObj) - return std::wstring(); - - BSTR bstr = NULL; - if (FAILED((comObj.get()->*memFun)(&bstr))) - return std::wstring(); - - if (bstr) //NULL means "no text" - { - text = std::wstring(bstr, ::SysStringLen(bstr)); //correctly copy 0-characters - ::SysFreeString(bstr); - } - } - return text; -} -} - - -#endif //COM_UTILITY_HEADER
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