DSMPropertyBag.cpp
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:8k
- #include "StdAfx.h"
- #include "DSUtil.h"
- #include "DSMPropertyBag.h"
- //
- // IDSMPropertyBagImpl
- //
- IDSMPropertyBagImpl::IDSMPropertyBagImpl()
- {
- }
- IDSMPropertyBagImpl::~IDSMPropertyBagImpl()
- {
- }
- // IPropertyBag
- STDMETHODIMP IDSMPropertyBagImpl::Read(LPCOLESTR pszPropName, VARIANT* pVar, IErrorLog* pErrorLog)
- {
- CheckPointer(pVar, E_POINTER);
- if(pVar->vt != VT_EMPTY) return E_INVALIDARG;
- CStringW value = Lookup(pszPropName);
- if(value.IsEmpty()) return E_FAIL;
- CComVariant(value).Detach(pVar);
- return S_OK;
- }
- STDMETHODIMP IDSMPropertyBagImpl::Write(LPCOLESTR pszPropName, VARIANT* pVar)
- {
- return SetProperty(pszPropName, pVar);
- }
- // IPropertyBag2
- STDMETHODIMP IDSMPropertyBagImpl::Read(ULONG cProperties, PROPBAG2* pPropBag, IErrorLog* pErrLog, VARIANT* pvarValue, HRESULT* phrError)
- {
- CheckPointer(pPropBag, E_POINTER);
- CheckPointer(pvarValue, E_POINTER);
- CheckPointer(phrError, E_POINTER);
- for(ULONG i = 0; i < cProperties; phrError[i] = S_OK, i++)
- CComVariant(Lookup(pPropBag[i].pstrName)).Detach(pvarValue);
- return S_OK;
- }
- STDMETHODIMP IDSMPropertyBagImpl::Write(ULONG cProperties, PROPBAG2* pPropBag, VARIANT* pvarValue)
- {
- CheckPointer(pPropBag, E_POINTER);
- CheckPointer(pvarValue, E_POINTER);
- for(ULONG i = 0; i < cProperties; i++)
- SetProperty(pPropBag[i].pstrName, &pvarValue[i]);
- return S_OK;
- }
- STDMETHODIMP IDSMPropertyBagImpl::CountProperties(ULONG* pcProperties)
- {
- CheckPointer(pcProperties, E_POINTER);
- *pcProperties = GetSize();
- return S_OK;
- }
- STDMETHODIMP IDSMPropertyBagImpl::GetPropertyInfo(ULONG iProperty, ULONG cProperties, PROPBAG2* pPropBag, ULONG* pcProperties)
- {
- CheckPointer(pPropBag, E_POINTER);
- CheckPointer(pcProperties, E_POINTER);
- for(ULONG i = 0; i < cProperties; i++, iProperty++, (*pcProperties)++)
- {
- CStringW key = GetKeyAt(iProperty);
- pPropBag[i].pstrName = (BSTR)CoTaskMemAlloc((key.GetLength()+1)*sizeof(WCHAR));
- if(!pPropBag[i].pstrName) return E_FAIL;
- wcscpy(pPropBag[i].pstrName, key);
- }
- return S_OK;
- }
- STDMETHODIMP IDSMPropertyBagImpl::LoadObject(LPCOLESTR pstrName, DWORD dwHint, IUnknown* pUnkObject, IErrorLog* pErrLog)
- {
- return E_NOTIMPL;
- }
- // IDSMProperyBag
- HRESULT IDSMPropertyBagImpl::SetProperty(LPCWSTR key, LPCWSTR value)
- {
- CheckPointer(key, E_POINTER);
- CheckPointer(value, E_POINTER);
- if(!Lookup(key).IsEmpty()) SetAt(key, value);
- else Add(key, value);
- return S_OK;
- }
- HRESULT IDSMPropertyBagImpl::SetProperty(LPCWSTR key, VARIANT* var)
- {
- CheckPointer(key, E_POINTER);
- CheckPointer(var, E_POINTER);
- if((var->vt & (VT_BSTR | VT_BYREF)) != VT_BSTR) return E_INVALIDARG;
- return SetProperty(key, var->bstrVal);
- }
- HRESULT IDSMPropertyBagImpl::GetProperty(LPCWSTR key, BSTR* value)
- {
- CheckPointer(key, E_POINTER);
- CheckPointer(value, E_POINTER);
- int i = FindKey(key);
- if(i < 0) return E_FAIL;
- *value = GetValueAt(i).AllocSysString();
- return S_OK;
- }
- HRESULT IDSMPropertyBagImpl::DelAllProperties()
- {
- RemoveAll();
- return S_OK;
- }
- HRESULT IDSMPropertyBagImpl::DelProperty(LPCWSTR key)
- {
- return Remove(key) ? S_OK : S_FALSE;
- }
- //
- // CDSMResource
- //
- CCritSec CDSMResource::m_csResources;
- CAtlMap<DWORD, CDSMResource*> CDSMResource::m_resources;
- CDSMResource::CDSMResource()
- : mime(_T("application/octet-stream"))
- , tag(0)
- {
- CAutoLock cAutoLock(&m_csResources);
- m_resources.SetAt((DWORD)this, this);
- }
- CDSMResource::CDSMResource(LPCWSTR name, LPCWSTR desc, LPCWSTR mime, BYTE* pData, int len, DWORD_PTR tag)
- {
- this->name = name;
- this->desc = desc;
- this->mime = mime;
- data.SetSize(len);
- memcpy(data.GetData(), pData, data.GetSize());
- this->tag = tag;
- CAutoLock cAutoLock(&m_csResources);
- m_resources.SetAt((DWORD)this, this);
- }
- CDSMResource::~CDSMResource()
- {
- CAutoLock cAutoLock(&m_csResources);
- m_resources.RemoveKey((DWORD)this);
- }
- void CDSMResource::operator = (const CDSMResource& r)
- {
- tag = r.tag;
- name = r.name;
- desc = r.desc;
- mime = r.mime;
- data.Copy(r.data);
- }
- //
- // IDSMResourceBagImpl
- //
- IDSMResourceBagImpl::IDSMResourceBagImpl()
- {
- }
- // IDSMResourceBag
- STDMETHODIMP_(DWORD) IDSMResourceBagImpl::ResGetCount()
- {
- return m_resources.GetCount();
- }
- STDMETHODIMP IDSMResourceBagImpl::ResGet(DWORD iIndex, BSTR* ppName, BSTR* ppDesc, BSTR* ppMime, BYTE** ppData, DWORD* pDataLen, DWORD_PTR* pTag)
- {
- if(ppData) CheckPointer(pDataLen, E_POINTER);
- if((INT_PTR)iIndex >= m_resources.GetCount())
- return E_INVALIDARG;
- CDSMResource& r = m_resources[iIndex];
- if(ppName) *ppName = r.name.AllocSysString();
- if(ppDesc) *ppDesc = r.desc.AllocSysString();
- if(ppMime) *ppMime = r.mime.AllocSysString();
- if(ppData) {*pDataLen = r.data.GetSize(); memcpy(*ppData = (BYTE*)CoTaskMemAlloc(*pDataLen), r.data.GetData(), *pDataLen);}
- if(pTag) *pTag = r.tag;
- return S_OK;
- }
- STDMETHODIMP IDSMResourceBagImpl::ResSet(DWORD iIndex, LPCWSTR pName, LPCWSTR pDesc, LPCWSTR pMime, BYTE* pData, DWORD len, DWORD_PTR tag)
- {
- if((INT_PTR)iIndex >= m_resources.GetCount())
- return E_INVALIDARG;
- CDSMResource& r = m_resources[iIndex];
- if(pName) r.name = pName;
- if(pDesc) r.desc = pDesc;
- if(pMime) r.mime = pMime;
- if(pData || len == 0) {r.data.SetSize(len); if(pData) memcpy(r.data.GetData(), pData, r.data.GetSize());}
- r.tag = tag;
- return S_OK;
- }
- STDMETHODIMP IDSMResourceBagImpl::ResAppend(LPCWSTR pName, LPCWSTR pDesc, LPCWSTR pMime, BYTE* pData, DWORD len, DWORD_PTR tag)
- {
- return ResSet(m_resources.Add(CDSMResource()), pName, pDesc, pMime, pData, len, tag);
- }
- STDMETHODIMP IDSMResourceBagImpl::ResRemoveAt(DWORD iIndex)
- {
- if((INT_PTR)iIndex >= m_resources.GetCount())
- return E_INVALIDARG;
- m_resources.RemoveAt(iIndex);
- return S_OK;
- }
- STDMETHODIMP IDSMResourceBagImpl::ResRemoveAll(DWORD_PTR tag)
- {
- if(tag)
- {
- for(int i = m_resources.GetCount() - 1; i >= 0; i--)
- if(m_resources[i].tag == tag)
- m_resources.RemoveAt(i);
- }
- else
- {
- m_resources.RemoveAll();
- }
- return S_OK;
- }
- //
- // CDSMChapter
- //
- CDSMChapter::CDSMChapter(REFERENCE_TIME rt, LPCWSTR name)
- {
- this->rt = rt;
- this->name = name;
- }
- void CDSMChapter::operator = (const CDSMChapter& c)
- {
- rt = c.rt;
- name = c.name;
- }
- //
- // IDSMChapterBagImpl
- //
- IDSMChapterBagImpl::IDSMChapterBagImpl()
- {
- m_fSorted = false;
- }
- // IDSMRChapterBag
- STDMETHODIMP_(DWORD) IDSMChapterBagImpl::ChapGetCount()
- {
- return m_chapters.GetCount();
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapGet(DWORD iIndex, REFERENCE_TIME* prt, BSTR* ppName)
- {
- if((INT_PTR)iIndex >= m_chapters.GetCount())
- return E_INVALIDARG;
- CDSMChapter& c = m_chapters[iIndex];
- if(prt) *prt = c.rt;
- if(ppName) *ppName = c.name.AllocSysString();
- return S_OK;
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapSet(DWORD iIndex, REFERENCE_TIME rt, LPCWSTR pName)
- {
- if((INT_PTR)iIndex >= m_chapters.GetCount())
- return E_INVALIDARG;
- CDSMChapter& c = m_chapters[iIndex];
- c.rt = rt;
- if(pName) c.name = pName;
- m_fSorted = false;
- return S_OK;
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapAppend(REFERENCE_TIME rt, LPCWSTR pName)
- {
- return ChapSet(m_chapters.Add(CDSMChapter()), rt, pName);
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapRemoveAt(DWORD iIndex)
- {
- if((INT_PTR)iIndex >= m_chapters.GetCount())
- return E_INVALIDARG;
- m_chapters.RemoveAt(iIndex);
- return S_OK;
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapRemoveAll()
- {
- m_chapters.RemoveAll();
- m_fSorted = false;
- return S_OK;
- }
- STDMETHODIMP_(long) IDSMChapterBagImpl::ChapLookup(REFERENCE_TIME* prt, BSTR* ppName)
- {
- CheckPointer(prt, -1);
- ChapSort();
- int i = range_bsearch(m_chapters, *prt);
- if(i < 0) return -1;
- *prt = m_chapters[i].rt;
- if(ppName) *ppName = m_chapters[i].name.AllocSysString();
- return i;
- }
- static int chapter_comp(const void* a, const void* b)
- {
- if(((CDSMChapter*)a)->rt > ((CDSMChapter*)b)->rt) return 1;
- else if(((CDSMChapter*)a)->rt < ((CDSMChapter*)b)->rt) return -1;
- return 0;
- }
- STDMETHODIMP IDSMChapterBagImpl::ChapSort()
- {
- if(m_fSorted) return S_FALSE;
- qsort(m_chapters.GetData(), m_chapters.GetCount(), sizeof(CDSMChapter), chapter_comp);
- m_fSorted = true;
- return S_OK;
- }
- //
- // CDSMChapterBag
- //
- CDSMChapterBag::CDSMChapterBag(LPUNKNOWN pUnk, HRESULT* phr)
- : CUnknown(_T("CDSMChapterBag"), NULL)
- {
- }
- STDMETHODIMP CDSMChapterBag::NonDelegatingQueryInterface(REFIID riid, void** ppv)
- {
- CheckPointer(ppv, E_POINTER);
- return
- QI(IDSMChapterBag)
- __super::NonDelegatingQueryInterface(riid, ppv);
- }