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winamp/Src/omBrowser/storageIni.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./storageIni.h"
#include "./resource.h"
#include "./ifc_omservice.h"
#include "./loaderIni.h"
#include "./enumIniFile.h"
#include "./enumAsync.h"
#include "./ifc_omservicehost.h"
#include "./ifc_omservicehostext.h"
#include "./ifc_omstoragehandlerenum.h"
#include "./ifc_omstorageext.h"
#include <strsafe.h>
OmStorageIni::OmStorageIni()
: ref(1)
{
}
OmStorageIni::~OmStorageIni()
{
}
HRESULT OmStorageIni::CreateInstance(OmStorageIni **instance)
{
if (NULL == instance) return E_POINTER;
*instance = new OmStorageIni();
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
size_t OmStorageIni::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t OmStorageIni::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int OmStorageIni::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_OmStorage))
*object = static_cast<ifc_omstorage*>(this);
else if (IsEqualIID(interface_guid, STID_OmFileStorage))
*object = static_cast<ifc_omfilestorage*>(this);
else if (IsEqualIID(interface_guid, SUID_OmStorageIni))
*object = static_cast<ifc_omstorage*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
HRESULT OmStorageIni::GetId(GUID *storageUid)
{
if (NULL == storageUid) return E_POINTER;
*storageUid = SUID_OmStorageIni;
return S_OK;
}
HRESULT OmStorageIni::GetType(GUID *storageType)
{
if (NULL == storageType) return E_POINTER;
*storageType = STID_OmFileStorage;
return S_OK;
}
UINT OmStorageIni::GetCapabilities()
{
return capLoad | capSave | capDelete | capReload | capPublic;
}
HRESULT OmStorageIni::GetDescription(LPWSTR pszBuffer, UINT cchBufferMax)
{
if (NULL == pszBuffer) return E_POINTER;
Plugin_LoadString(IDS_STORAGE_INI, pszBuffer, cchBufferMax);
return S_OK;
}
HRESULT OmStorageIni::Load(LPCWSTR pszAddress, ifc_omservicehost *host, ifc_omserviceenum **ppEnum)
{
if (NULL == ppEnum) return E_POINTER;
*ppEnum = NULL;
if (NULL == pszAddress || L'\0' == *pszAddress)
return E_INVALIDARG;
return EnumIniFile::CreateInstance(pszAddress, host, (EnumIniFile**)ppEnum);
}
HRESULT OmStorageIni::Save(ifc_omservice **serviceList, ULONG listCount, UINT saveFlags, ULONG *savedCount)
{
if (NULL != savedCount)
*savedCount = 0;
if(NULL == serviceList && 0 != listCount)
return E_INVALIDARG;
HRESULT hr = S_OK;
ULONG saved = 0;
LoaderIni loader;
for(ULONG i = 0; i < listCount; i++)
{
ifc_omservice *service = serviceList[i];
if (NULL == service) continue;
if (FAILED(loader.Save(service, saveFlags)))
hr = E_FAIL;
else
saved++;
}
if (NULL != savedCount)
*savedCount = saved++;
return hr;
}
HRESULT OmStorageIni::Delete(ifc_omservice **serviceList, ULONG listCount, ULONG *deletedCount)
{
if (NULL == serviceList)
{
if (NULL != deletedCount) *deletedCount = 0;
return E_INVALIDARG;
}
WCHAR szBuffer[MAX_PATH * 2] = {0};
ULONG deleted = 0;
for(ULONG i = 0; i < listCount; i++)
{
if (SUCCEEDED(serviceList[i]->GetAddress(szBuffer, ARRAYSIZE(szBuffer))) &&
0 != DeleteFile(szBuffer))
{
deleted++;
}
}
if (NULL != deletedCount)
*deletedCount = deleted;
return S_OK;
}
HRESULT OmStorageIni::Reload(ifc_omservice **serviceList, ULONG listCount, ULONG *reloadedCount)
{
if (NULL != reloadedCount)
*reloadedCount = 0;
if(NULL == serviceList && 0 != listCount)
return E_INVALIDARG;
HRESULT hr = S_OK;
ULONG loaded = 0;
LoaderIni loader;
for(ULONG i = 0; i < listCount; i++)
{
ifc_omservice *service = serviceList[i];
if (NULL == service) continue;
loader.RegisterHandlers(NULL);
ifc_omservicehostext *serviceExt = NULL;
if (service->QueryInterface(IFC_OmServiceHostExt, (void**)&serviceExt))
{
ifc_omservicehost *serviceHost = NULL;
if (SUCCEEDED(serviceExt->GetHost(&serviceHost)) && serviceHost != NULL)
{
ifc_omstorageext *storageExt = NULL;
if (SUCCEEDED(serviceHost->QueryInterface(IFC_OmStorageExt, (void**)&storageExt)) && storageExt != NULL)
{
ifc_omstoragehandlerenum *handlerEnum = NULL;
if (SUCCEEDED(storageExt->Enumerate(&SUID_OmStorageIni, &handlerEnum)) && handlerEnum != NULL)
{
loader.RegisterHandlers(handlerEnum);
handlerEnum->Release();
}
storageExt->Release();
}
serviceHost->Release();
}
serviceExt->Release();
}
if (FAILED(loader.Reload(service)))
hr = E_FAIL;
else
loaded++;
}
if (NULL != reloadedCount)
*reloadedCount = loaded++;
return hr;
}
HRESULT OmStorageIni::BeginLoad(LPCWSTR pszAddress, ifc_omservicehost *serviceHost, ifc_omstorageasync::AsyncCallback callback, void *data, ifc_omstorageasync **async)
{
if (NULL == async)
return E_POINTER;
ifc_omserviceenum *enumerator = NULL;
HRESULT hr = Load(pszAddress, serviceHost, &enumerator);
if (SUCCEEDED(hr) && enumerator != NULL)
{
EnumAsyncWrapper *asyncWrapper = NULL;
hr = EnumAsyncWrapper::CreateInstance(enumerator, &asyncWrapper);
if (SUCCEEDED(hr) && asyncWrapper != NULL)
{
asyncWrapper->SetCallback(callback);
asyncWrapper->SetData(data);
*async = asyncWrapper;
hr = asyncWrapper->BeginEnumerate();
if (FAILED(hr))
{
*async = NULL;
asyncWrapper->Release();
}
}
enumerator->Release();
}
return hr;
}
HRESULT OmStorageIni::EndLoad(ifc_omstorageasync *async, ifc_omserviceenum **ppEnum)
{
EnumAsyncWrapper *asyncWrapper = (EnumAsyncWrapper*)async;
if (NULL == asyncWrapper) return E_INVALIDARG;
if (NULL != ppEnum)
*ppEnum = NULL;
UINT state = 0;
if (FAILED(async->GetState(&state)) || ifc_omstorageasync::stateCompleted != state)
{
HANDLE completed = NULL;
if (FAILED(async->GetWaitHandle(&completed)))
return E_UNEXPECTED;
while(WAIT_OBJECT_0 != WaitForSingleObjectEx(completed, INFINITE, TRUE));
CloseHandle(completed);
}
HRESULT hr = asyncWrapper->GetResultCode();
if (SUCCEEDED(hr))
{
if (NULL != ppEnum)
{
hr = asyncWrapper->GetServiceList(ppEnum);
}
}
return hr;
}
HRESULT OmStorageIni::RequestAbort(ifc_omstorageasync *async, BOOL fDrop)
{
EnumAsyncWrapper *asyncWrapper = (EnumAsyncWrapper*)async;
if (NULL == asyncWrapper) return E_INVALIDARG;
return asyncWrapper->RequestAbort(fDrop);
}
HRESULT OmStorageIni::GetFilter(LPWSTR pszBuffer, UINT cchBufferMax)
{
if (NULL == pszBuffer) return E_POINTER;
return StringCchCopy(pszBuffer, cchBufferMax, L"*.ini");
}
#define CBCLASS OmStorageIni
START_MULTIPATCH;
START_PATCH(MPIID_OMSTORAGE)
M_CB(MPIID_OMSTORAGE, ifc_omstorage, ADDREF, AddRef);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, RELEASE, Release);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_GETID, GetId);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_GETTYPE, GetType);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_GETCAPABILITIES, GetCapabilities);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_GETDESCRIPTION, GetDescription);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_LOAD, Load);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_SAVE, Save);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_DELETE, Delete);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_RELOAD, Reload);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_BEGINLOAD, BeginLoad);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_ENDLOAD, EndLoad);
M_CB(MPIID_OMSTORAGE, ifc_omstorage, API_REQUESTABORT, RequestAbort);
NEXT_PATCH(MPIID_OMFILESTORAGE)
M_CB(MPIID_OMFILESTORAGE, ifc_omfilestorage, ADDREF, AddRef);
M_CB(MPIID_OMFILESTORAGE, ifc_omfilestorage, RELEASE, Release);
M_CB(MPIID_OMFILESTORAGE, ifc_omfilestorage, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_OMFILESTORAGE, ifc_omfilestorage, API_GETFILTER, GetFilter);
END_PATCH
END_MULTIPATCH;
#undef CBCLASS