129 lines
2.6 KiB
C++
129 lines
2.6 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#include "private.h"
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#include "TipCandidateString.h"
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HRESULT CTipCandidateString::CreateInstance(_Outptr_ CTipCandidateString **ppobj)
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{
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if (ppobj == nullptr)
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{
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return E_INVALIDARG;
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}
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*ppobj = nullptr;
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*ppobj = new (std::nothrow) CTipCandidateString();
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if (*ppobj == nullptr)
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{
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return E_OUTOFMEMORY;
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}
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return S_OK;
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}
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HRESULT CTipCandidateString::CreateInstance(REFIID riid, _Outptr_ void **ppvObj)
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{
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if (ppvObj == nullptr)
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{
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return E_INVALIDARG;
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}
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*ppvObj = nullptr;
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*ppvObj = new (std::nothrow) CTipCandidateString();
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if (*ppvObj == nullptr)
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{
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return E_OUTOFMEMORY;
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}
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return ((CTipCandidateString*)(*ppvObj))->QueryInterface(riid, ppvObj);
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}
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CTipCandidateString::CTipCandidateString(void)
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{
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_refCount = 0;
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_index = 0;
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}
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CTipCandidateString::~CTipCandidateString()
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{
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}
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// IUnknown methods
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STDMETHODIMP CTipCandidateString::QueryInterface(REFIID riid, _Outptr_ void **ppvObj)
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{
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if (ppvObj == nullptr)
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{
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return E_POINTER;
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}
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*ppvObj = nullptr;
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if (IsEqualIID(riid, IID_IUnknown))
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{
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*ppvObj = (CTipCandidateString*)this;
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}
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else if (IsEqualIID(riid, IID_ITfCandidateString))
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{
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*ppvObj = (CTipCandidateString*)this;
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}
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if (*ppvObj == nullptr)
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{
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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STDMETHODIMP_(ULONG) CTipCandidateString::AddRef(void)
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{
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return (ULONG)InterlockedIncrement((LONG*)&_refCount);
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}
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STDMETHODIMP_(ULONG) CTipCandidateString::Release(void)
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{
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ULONG refT = (ULONG)InterlockedDecrement((LONG*)&_refCount);
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if (0 < refT)
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{
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return refT;
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}
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delete this;
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return 0;
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}
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// ITfCandidateString methods
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STDMETHODIMP CTipCandidateString::GetString(BSTR *pbstr)
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{
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*pbstr = SysAllocString(_candidateStr.c_str());
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return S_OK;
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}
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STDMETHODIMP CTipCandidateString::GetIndex(_Out_ ULONG *pnIndex)
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{
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if (pnIndex == nullptr)
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{
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return E_POINTER;
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}
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*pnIndex = _index;
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return S_OK;
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}
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STDMETHODIMP CTipCandidateString::SetIndex(ULONG uIndex)
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{
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_index = uIndex;
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return S_OK;
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}
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STDMETHODIMP CTipCandidateString::SetString(_In_ const WCHAR *pch, DWORD_PTR length)
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{
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_candidateStr.assign(pch, 0, length);
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return S_OK;
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}
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