BOOL
EnumAvailableApplications(INT EnumType, AVAILENUMPROC lpEnumProc)
{
HANDLE hFind = INVALID_HANDLE_VALUE;
WIN32_FIND_DATAW FindFileData;
WCHAR szPath[MAX_PATH];
WCHAR szAppsPath[MAX_PATH];
WCHAR szSectionLocale[MAX_PATH] = L"Section.";
WCHAR szCabPath[MAX_PATH];
WCHAR szLocale[4 + 1];
APPLICATION_INFO Info;
if (!GetCurrentDirectoryW(MAX_PATH, szPath))
{
return FALSE;
}
swprintf(szCabPath, L"%s\\rappmgr.cab", szPath);
wcscat(szPath, L"\\rapps\\");
wcscpy(szAppsPath, szPath);
if (!CreateDirectory(szPath, NULL) &&
GetLastError() != ERROR_ALREADY_EXISTS)
{
return FALSE;
}
GetLocaleInfoW(GetUserDefaultLCID(), LOCALE_ILANGUAGE, szLocale, sizeof(szLocale) / sizeof(WCHAR));
wcscat(szSectionLocale, szLocale);
wcscat(szPath, L"*.txt");
hFind = FindFirstFileW(szPath, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
{
if (GetFileAttributesW(szCabPath) == INVALID_FILE_ATTRIBUTES)
DownloadApplicationsDB(APPLICATION_DATEBASE_URL);
ExtractFilesFromCab(szCabPath, szAppsPath);
hFind = FindFirstFileW(szPath, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
return FALSE;
}
#define GET_STRING1(a, b) \
if (!ParserGetString(szSectionLocale, a, b, MAX_PATH, FindFileData.cFileName)) \
if (!ParserGetString(L"Section", a, b, MAX_PATH, FindFileData.cFileName)) \
continue;
#define GET_STRING2(a, b) \
if (!ParserGetString(szSectionLocale, a, b, MAX_PATH, FindFileData.cFileName)) \
if (!ParserGetString(L"Section", a, b, MAX_PATH, FindFileData.cFileName)) \
b[0] = '\0';
do
{
Info.Category = ParserGetInt(szSectionLocale, L"Category", FindFileData.cFileName);
if (Info.Category == -1)
{
Info.Category = ParserGetInt(L"Section", L"Category", FindFileData.cFileName);
if (Info.Category == -1)
continue;
}
if (EnumType != Info.Category && EnumType != ENUM_ALL_AVAILABLE) continue;
GET_STRING1(L"Name", Info.szName);
GET_STRING1(L"URLDownload", Info.szUrlDownload);
GET_STRING2(L"RegName", Info.szRegName);
GET_STRING2(L"Version", Info.szVersion);
GET_STRING2(L"Licence", Info.szLicence);
GET_STRING2(L"Description", Info.szDesc);
GET_STRING2(L"Size", Info.szSize);
GET_STRING2(L"URLSite", Info.szUrlSite);
GET_STRING2(L"CDPath", Info.szCDPath);
if (!lpEnumProc(Info)) break;
}
while (FindNextFileW(hFind, &FindFileData) != 0);
FindClose(hFind);
return TRUE;
}
BOOL
EnumAvailableApplications(INT EnumType, AVAILENUMPROC lpEnumProc)
{
HANDLE hFind = INVALID_HANDLE_VALUE;
WIN32_FIND_DATAW FindFileData;
WCHAR szPath[MAX_PATH];
WCHAR szAppsPath[MAX_PATH];
WCHAR szCabPath[MAX_PATH];
PAPPLICATION_INFO Info;
HRESULT hr;
if (!GetStorageDirectory(szPath, _countof(szPath)))
return FALSE;
hr = StringCbPrintfW(szCabPath, sizeof(szCabPath),
L"%ls\\rappmgr.cab",
szPath);
if (FAILED(hr))
return FALSE;
hr = StringCbCatW(szPath, sizeof(szPath), L"\\rapps\\");
if (FAILED(hr))
return FALSE;
hr = StringCbCopyW(szAppsPath, sizeof(szAppsPath), szPath);
if (FAILED(hr))
return FALSE;
if (!CreateDirectory(szPath, NULL) &&
GetLastError() != ERROR_ALREADY_EXISTS)
{
return FALSE;
}
hr = StringCbCatW(szPath, sizeof(szPath), L"*.txt");
if (FAILED(hr))
return FALSE;
hFind = FindFirstFileW(szPath, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
{
if (GetFileAttributesW(szCabPath) == INVALID_FILE_ATTRIBUTES)
DownloadApplicationsDB(APPLICATION_DATABASE_URL);
ExtractFilesFromCab(szCabPath, szAppsPath);
hFind = FindFirstFileW(szPath, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
return FALSE;
}
do
{
/* loop for all the cached entries */
for (pCachedEntry = CachedEntriesHead.Flink; pCachedEntry != &CachedEntriesHead; pCachedEntry = pCachedEntry->Flink)
{
Info = CONTAINING_RECORD(pCachedEntry, APPLICATION_INFO, List);
/* do we already have this entry in cache? */
if(_wcsicmp(FindFileData.cFileName, Info->cFileName) == 0)
{
/* is it current enough, or the file has been modified since our last time here? */
if (CompareFileTime(&FindFileData.ftLastWriteTime, &Info->ftCacheStamp) == 1)
{
/* recreate our cache, this is the slow path */
RemoveEntryList(&Info->List);
HeapFree(GetProcessHeap(), 0, Info);
}
else
{
/* speedy path, compare directly, we already have the data */
goto skip_if_cached;
}
break;
}
}
/* create a new entry */
Info = (PAPPLICATION_INFO)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(APPLICATION_INFO));
if(!Info)
break;
Info->Category = ParserGetInt(L"Category", FindFileData.cFileName);
/* copy the cache-related fields for the next time */
RtlCopyMemory(&Info->cFileName, &FindFileData.cFileName, MAX_PATH);
RtlCopyMemory(&Info->ftCacheStamp, &FindFileData.ftLastWriteTime, sizeof(FILETIME));
/* add our cached entry to the cached list */
InsertTailList(&CachedEntriesHead, &Info->List);
skip_if_cached:
if (Info->Category == FALSE)
continue;
if (EnumType != Info->Category && EnumType != ENUM_ALL_AVAILABLE)
continue;
/* if our cache hit was only partial, we need to parse
and lazily fill the rest of fields only when needed */
if (Info->szUrlDownload[0] == 0)
{
GET_STRING1(L"Name", Info->szName);
GET_STRING1(L"URLDownload", Info->szUrlDownload);
GET_STRING2(L"RegName", Info->szRegName);
GET_STRING2(L"Version", Info->szVersion);
GET_STRING2(L"License", Info->szLicense);
GET_STRING2(L"Description", Info->szDesc);
GET_STRING2(L"Size", Info->szSize);
GET_STRING2(L"URLSite", Info->szUrlSite);
GET_STRING2(L"CDPath", Info->szCDPath);
GET_STRING2(L"SHA1", Info->szSHA1);
}
if (!lpEnumProc(Info))
break;
} while (FindNextFileW(hFind, &FindFileData) != 0);
FindClose(hFind);
return TRUE;
}