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https://github.com/WinampDesktop/winamp.git
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215 lines
4.4 KiB
C++
215 lines
4.4 KiB
C++
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#include "main.h"
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#include "./enumIniFile.h"
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#include "./service.h"
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#include "./ifc_omservicehost.h"
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#include "./ifc_omstorage.h"
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#include "./ifc_omstoragehandlerenum.h"
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#include "./ifc_omstorageext.h"
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#include "./ifc_omfilestorage.h"
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#include <shlwapi.h>
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#include <strsafe.h>
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#define OMS_GROUP "OnlineService"
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#define OMS_ID "id"
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#define OMS_NAME "name"
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#define OMS_URL "url"
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#define OMS_ICON "icon"
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#define OMS_FLAGS "flags"
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#define OMS_RATING "rating"
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#define OMS_VERSION "version"
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#define OMS_DESCRIPTION "description"
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#define OMS_AUTHORFIRST "authorFirst"
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#define OMS_AUTHORLAST "authorLast"
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#define OMS_PUBLISHED "publishedDate"
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#define OMS_UPDATED "updatedDate"
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#define OMS_THUMBNAIL "thumbnail"
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#define OMS_SCREENSHOT "screenshot"
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#define OMS_GENERATION "generation"
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EnumIniFile::EnumIniFile(LPCWSTR pszAddress, ifc_omservicehost *serviceHost)
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: ref(1), address(NULL), host(serviceHost), hFind(NULL)
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{
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address = Plugin_CopyString(pszAddress);
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if (NULL != host)
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{
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host->AddRef();
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ifc_omstorageext *storageExt = NULL;
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if (SUCCEEDED(host->QueryInterface(IFC_OmStorageExt, (void**)&storageExt)) && storageExt != NULL)
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{
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ifc_omstoragehandlerenum *handlerEnum = NULL;
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if (SUCCEEDED(storageExt->Enumerate(&SUID_OmStorageIni, &handlerEnum)) && handlerEnum != NULL)
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{
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reader.RegisterHandlers(handlerEnum);
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handlerEnum->Release();
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}
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storageExt->Release();
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}
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}
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}
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EnumIniFile::~EnumIniFile()
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{
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Plugin_FreeString(address);
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if (NULL != host)
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host->Release();
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if (NULL != hFind)
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FindClose(hFind);
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}
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HRESULT EnumIniFile::CreateInstance(LPCWSTR pszAddress, ifc_omservicehost *host, EnumIniFile **instance)
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{
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if (NULL == instance)
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return E_POINTER;
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WCHAR szBuffer[MAX_PATH * 2] = {0};
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HRESULT hr = Plugin_ResolveRelativePath(pszAddress, host, szBuffer, ARRAYSIZE(szBuffer));
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if (FAILED(hr)) return hr;
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// test if we can load this one
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if (FALSE == PathIsDirectory(szBuffer) && PathFileExists(szBuffer))
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{
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UINT id = GetPrivateProfileInt(TEXT(OMS_GROUP), WTEXT(OMS_ID), 0, pszAddress);
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if (0 == id) return OMSTORAGE_E_UNKNOWN_FORMAT;
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}
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*instance = new EnumIniFile(szBuffer, host);
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if (NULL == *instance) return E_OUTOFMEMORY;
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return S_OK;
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}
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size_t EnumIniFile::AddRef()
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{
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return InterlockedIncrement((LONG*)&ref);
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}
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size_t EnumIniFile::Release()
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{
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if (0 == ref)
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return ref;
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LONG r = InterlockedDecrement((LONG*)&ref);
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if (0 == r)
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delete(this);
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return r;
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}
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int EnumIniFile::QueryInterface(GUID interface_guid, void **object)
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{
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if (NULL == object) return E_POINTER;
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if (IsEqualIID(interface_guid, IFC_OmServiceEnum))
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*object = static_cast<ifc_omserviceenum*>(this);
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else
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{
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*object = NULL;
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return E_NOINTERFACE;
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}
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if (NULL == *object)
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return E_UNEXPECTED;
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AddRef();
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return S_OK;
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}
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HRESULT EnumIniFile::Next(ULONG listSize, ifc_omservice **elementList, ULONG *elementCount)
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{
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if(NULL != elementCount)
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*elementCount = 0;
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if (0 == listSize || NULL == elementList)
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return E_INVALIDARG;
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ULONG counter = 0;
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BOOL bFoundNext = FALSE;
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HRESULT hr = S_OK;
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if (NULL == hFind)
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{
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hFind = FindFirstFile(address, &fData);
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if (INVALID_HANDLE_VALUE == hFind)
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{
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DWORD error = GetLastError();
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return HRESULT_FROM_WIN32(error);
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}
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bFoundNext = TRUE;
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}
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else
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{
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bFoundNext = FindNextFile(hFind, &fData);
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}
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if (bFoundNext)
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{
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do
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{
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LPCWSTR p = address;
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while(p && L'.' == *p && L'\0' != *p) p++;
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if (p && L'\0' != *p)
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{
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WCHAR base[MAX_PATH] = {0};
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StringCchCopy(base, MAX_PATH, address);
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PathRemoveFileSpec(base);
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int baseLen = lstrlen(base);
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base[baseLen] = L'\0';
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if (!PathAppend(base, fData.cFileName))
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{
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base[baseLen] = L'\0';
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PathAppend(base, fData.cAlternateFileName);
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}
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hr = reader.Load(base, host, &elementList[counter]);
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if (S_OK == hr)
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{
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listSize--;
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counter++;
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if (0 == listSize) break;
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}
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}
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bFoundNext = FindNextFile(hFind, &fData);
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} while(bFoundNext);
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}
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if(NULL != elementCount)
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*elementCount = counter;
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return (counter > 0) ? S_OK : S_FALSE;
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}
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HRESULT EnumIniFile::Reset(void)
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{
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if (NULL != hFind)
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{
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FindClose(hFind);
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hFind = NULL;
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}
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return S_OK;
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}
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HRESULT EnumIniFile::Skip(ULONG elementCount)
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{
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return E_NOTIMPL;
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}
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#define CBCLASS EnumIniFile
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START_DISPATCH;
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CB(ADDREF, AddRef)
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CB(RELEASE, Release)
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CB(QUERYINTERFACE, QueryInterface)
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CB(API_NEXT, Next)
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CB(API_RESET, Reset)
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CB(API_SKIP, Skip)
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END_DISPATCH;
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#undef CBCLASS
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