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wine/dlls/gameux/gamestatistics.c
André Hentschel 8f00116b6c gameux: Return function result on error (PVS-Studio).
2015-03-20 12:42:33 +09:00

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/*
* Gameux library coclass GameStatistics implementation
*
* Copyright (C) 2010 Mariusz Pluciński
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "config.h"
#include "ole2.h"
#include "winreg.h"
#include "msxml2.h"
#include "shlwapi.h"
#include "shlobj.h"
#include "gameux.h"
#include "gameux_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gameux);
/*
* constant definitions
*/
#define MAX_CATEGORY_LENGTH 60
#define MAX_NAME_LENGTH 30
#define MAX_VALUE_LENGTH 30
#define MAX_CATEGORIES 10
#define MAX_STATS_PER_CATEGORY 10
/*******************************************************************************
* Game statistics helper components
*/
/*******************************************************************************
* struct GAMEUX_STATS
*
* set of structures for containing game's data
*/
struct GAMEUX_STATS_STAT
{
WCHAR sName[MAX_NAME_LENGTH+1];
WCHAR sValue[MAX_VALUE_LENGTH+1];
};
struct GAMEUX_STATS_CATEGORY
{
WCHAR sName[MAX_CATEGORY_LENGTH+1];
struct GAMEUX_STATS_STAT stats[MAX_STATS_PER_CATEGORY];
};
struct GAMEUX_STATS
{
WCHAR sStatsFile[MAX_PATH];
struct GAMEUX_STATS_CATEGORY categories[MAX_CATEGORIES];
};
/*******************************************************************************
* GAMEUX_createStatsDirectory
*
* Helper function, creates directory to store game statistics
*
* Parameters
* path [I] path to game statistics file.
* base directory of this file will
* be created if it doesn't exists
*/
static HRESULT GAMEUX_createStatsDirectory(LPCWSTR lpFilePath)
{
HRESULT hr;
WCHAR lpDirectoryPath[MAX_PATH];
LPCWSTR lpEnd;
lpEnd = StrRChrW(lpFilePath, NULL, '\\');
lstrcpynW(lpDirectoryPath, lpFilePath, lpEnd-lpFilePath+1);
hr = HRESULT_FROM_WIN32(SHCreateDirectoryExW(NULL, lpDirectoryPath, NULL));
if(hr == HRESULT_FROM_WIN32(ERROR_FILE_EXISTS) ||
hr == HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS))
hr = S_FALSE;
return hr;
}
/*******************************************************************
* GAMEUX_updateStatisticsFile
*
* Helper function updating data stored in statistics file
*
* Parameters:
* data [I] pointer to struct containing
* statistics data
*/
static HRESULT GAMEUX_updateStatisticsFile(struct GAMEUX_STATS *stats)
{
static const WCHAR sStatistics[] = {'S','t','a','t','i','s','t','i','c','s',0};
static const WCHAR sCategory[] = {'C','a','t','e','g','o','r','y',0};
static const WCHAR sIndex[] = {'I','n','d','e','x',0};
static const WCHAR sStatistic[] = {'S','t','a','t','i','s','t','i','c',0};
static const WCHAR sName[] = {'N','a','m','e',0};
static const WCHAR sValue[] = {'V','a','l','u','e',0};
HRESULT hr = S_OK;
IXMLDOMDocument *document;
IXMLDOMElement *root, *statisticsElement;
IXMLDOMNode *categoryNode, *statisticsNode;
VARIANT vStatsFilePath, vValue;
BSTR bstrStatistics = NULL, bstrCategory = NULL, bstrIndex = NULL,
bstrStatistic = NULL, bstrName = NULL, bstrValue = NULL;
int i, j;
TRACE("(%p)\n", stats);
V_VT(&vStatsFilePath) = VT_BSTR;
V_BSTR(&vStatsFilePath) = SysAllocString(stats->sStatsFile);
if(!V_BSTR(&vStatsFilePath))
hr = E_OUTOFMEMORY;
if(SUCCEEDED(hr))
hr = CoCreateInstance(&CLSID_DOMDocument, NULL, CLSCTX_INPROC_SERVER,
&IID_IXMLDOMDocument, (void**)&document);
if(SUCCEEDED(hr))
{
bstrStatistics = SysAllocString(sStatistics);
if(!bstrStatistics)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
hr = IXMLDOMDocument_createElement(document, bstrStatistics, &root);
if(SUCCEEDED(hr))
{
bstrCategory = SysAllocString(sCategory);
if(!bstrCategory)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrIndex = SysAllocString(sIndex);
if(!bstrIndex)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrStatistic = SysAllocString(sStatistic);
if(!bstrStatistic)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrName = SysAllocString(sName);
if(!bstrName)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrValue = SysAllocString(sValue);
if(!bstrValue)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
for(i=0; i<MAX_CATEGORIES; ++i)
{
IXMLDOMElement *categoryElement = NULL;
if(!stats->categories[i].sName[0])
continue;
V_VT(&vValue) = VT_INT;
V_INT(&vValue) = NODE_ELEMENT;
hr = IXMLDOMDocument_createNode(document, vValue, bstrCategory, NULL, &categoryNode);
if(SUCCEEDED(hr))
hr = IXMLDOMNode_QueryInterface(categoryNode, &IID_IXMLDOMElement, (void**)&categoryElement);
V_INT(&vValue) = i;
if(SUCCEEDED(hr))
hr = IXMLDOMElement_setAttribute(categoryElement, bstrIndex, vValue);
if(SUCCEEDED(hr))
{
V_VT(&vValue) = VT_BSTR;
V_BSTR(&vValue) = SysAllocString(stats->categories[i].sName);
if(!V_BSTR(&vValue))
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
TRACE("storing category %d: %s\n", i, debugstr_w(V_BSTR(&vValue)));
hr = IXMLDOMElement_setAttribute(categoryElement, bstrName, vValue);
}
if (categoryElement)
IXMLDOMElement_Release(categoryElement);
SysFreeString(V_BSTR(&vValue));
if(SUCCEEDED(hr))
{
for(j=0; j<MAX_STATS_PER_CATEGORY; ++j)
{
if(!stats->categories[i].stats[j].sName[0])
continue;
V_VT(&vValue) = VT_INT;
V_INT(&vValue) = NODE_ELEMENT;
hr = IXMLDOMDocument_createNode(document, vValue, bstrStatistic, NULL, &statisticsNode);
if(SUCCEEDED(hr))
hr = IXMLDOMNode_QueryInterface(statisticsNode, &IID_IXMLDOMElement, (LPVOID*)&statisticsElement);
V_INT(&vValue) = j;
if(SUCCEEDED(hr))
hr = IXMLDOMElement_setAttribute(statisticsElement, bstrIndex, vValue);
if(SUCCEEDED(hr))
{
V_VT(&vValue) = VT_BSTR;
V_BSTR(&vValue) = SysAllocString(stats->categories[i].stats[j].sName);
if(!V_BSTR(&vValue))
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
TRACE(" storing statistic %d: name: %s\n", j, debugstr_w(V_BSTR(&vValue)));
hr = IXMLDOMElement_setAttribute(statisticsElement, bstrName, vValue);
SysFreeString(V_BSTR(&vValue));
}
if(SUCCEEDED(hr))
{
V_VT(&vValue) = VT_BSTR;
V_BSTR(&vValue) = SysAllocString(stats->categories[i].stats[j].sValue);
if(!V_BSTR(&vValue))
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
TRACE(" storing statistic %d: name: %s\n", j, debugstr_w(V_BSTR(&vValue)));
hr = IXMLDOMElement_setAttribute(statisticsElement, bstrValue, vValue);
SysFreeString(V_BSTR(&vValue));
}
if(SUCCEEDED(hr))
hr = IXMLDOMNode_appendChild(categoryNode, statisticsNode, &statisticsNode);
IXMLDOMElement_Release(statisticsElement);
IXMLDOMNode_Release(statisticsNode);
}
}
if(SUCCEEDED(hr))
hr = IXMLDOMElement_appendChild(root, categoryNode, &categoryNode);
IXMLDOMNode_Release(categoryNode);
if(FAILED(hr))
break;
}
if(SUCCEEDED(hr))
hr = IXMLDOMDocument_putref_documentElement(document, root);
IXMLDOMElement_Release(root);
TRACE("saving game statistics in %s file\n", debugstr_w(stats->sStatsFile));
if(SUCCEEDED(hr))
hr = GAMEUX_createStatsDirectory(stats->sStatsFile);
if(SUCCEEDED(hr))
hr = IXMLDOMDocument_save(document, vStatsFilePath);
IXMLDOMDocument_Release(document);
SysFreeString(bstrValue);
SysFreeString(bstrName);
SysFreeString(bstrStatistic);
SysFreeString(bstrIndex);
SysFreeString(bstrCategory);
SysFreeString(bstrStatistics);
SysFreeString(V_BSTR(&vStatsFilePath));
TRACE("ret=0x%x\n", hr);
return hr;
}
/*******************************************************************************
* GAMEUX_buildStatisticsFilePath
* Creates path to file containing statistics of game with given id.
*
* Parameters:
* lpApplicationId [I] application id of game,
* as string
* lpStatisticsFile [O] array where path will be
* stored. Its size must be
* at least MAX_PATH
*/
static HRESULT GAMEUX_buildStatisticsFilePath(
LPCWSTR lpApplicationId,
LPWSTR lpStatisticsFile)
{
static const WCHAR sBackslash[] = {'\\',0};
static const WCHAR sStatisticsDir[] = {'\\','M','i','c','r','o','s','o','f','t',
'\\','W','i','n','d','o','w','s','\\','G','a','m','e','E','x','p',
'l','o','r','e','r','\\','G','a','m','e','S','t','a','t','i','s',
't','i','c','s','\\',0};
static const WCHAR sDotGamestats[] = {'.','g','a','m','e','s','t','a','t','s',0};
HRESULT hr;
hr = SHGetFolderPathW(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, lpStatisticsFile);
if(SUCCEEDED(hr))
{
lstrcatW(lpStatisticsFile, sStatisticsDir);
lstrcatW(lpStatisticsFile, lpApplicationId);
lstrcatW(lpStatisticsFile, sBackslash);
lstrcatW(lpStatisticsFile, lpApplicationId);
lstrcatW(lpStatisticsFile, sDotGamestats);
}
return hr;
}
/*******************************************************************************
* GAMEUX_getAppIdFromGDFPath
*
* Loads application identifier associated with given GDF binary.
* Routine reads identifier from registry, so will fail if game
* is not registered.
*
* Parameters:
* GDFBinaryPath [I] path to gdf binary
* lpApplicationId [O] place to store application id.
* must be at least 49 characters
* to store guid and termination 0
*/
static HRESULT GAMEUX_getAppIdFromGDFPath(
LPCWSTR GDFBinaryPath,
LPWSTR lpApplicationId)
{
static const WCHAR sApplicationId[] =
{'A','p','p','l','i','c','a','t','i','o','n','I','d',0};
HRESULT hr;
GAME_INSTALL_SCOPE installScope;
GUID instanceId;
LPWSTR lpRegistryPath = NULL;
HKEY hKey;
DWORD dwLength = 49*sizeof(WCHAR);/* place for GUID */
TRACE("(%s, %p)\n", debugstr_w(GDFBinaryPath), lpApplicationId);
if(!GDFBinaryPath)
return E_INVALIDARG;
installScope = GIS_CURRENT_USER;
hr = GAMEUX_FindGameInstanceId(GDFBinaryPath, installScope, &instanceId);
if(hr == S_FALSE)
{
installScope = GIS_ALL_USERS;
hr = GAMEUX_FindGameInstanceId(GDFBinaryPath, installScope, &instanceId);
}
if(hr == S_FALSE)
/* game not registered, so statistics cannot be used */
hr = E_FAIL;
if(SUCCEEDED(hr))
/* game is registered, let's read its application id from registry */
hr = GAMEUX_buildGameRegistryPath(installScope, &instanceId, &lpRegistryPath);
if(SUCCEEDED(hr)) {
hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE,
lpRegistryPath, 0, KEY_READ | KEY_WOW64_64KEY, &hKey));
if(SUCCEEDED(hr)) {
hr = HRESULT_FROM_WIN32(RegGetValueW(hKey,
NULL, sApplicationId, RRF_RT_REG_SZ,
NULL, lpApplicationId, &dwLength));
RegCloseKey(hKey);
}
}
HeapFree(GetProcessHeap(), 0, lpRegistryPath);
TRACE("found app id: %s, return: %#x\n", debugstr_w(lpApplicationId), hr);
return hr;
}
/*******************************************************************
* GAMEUX_loadGameStatisticsFromFile
* Helper function, loads game statistics from file and stores them
* in the structure.
*
* Parameters:
* data [I/O] structure containing file name to
* load and data fields to store data in
*/
static HRESULT GAMEUX_loadStatisticsFromFile(struct GAMEUX_STATS *data)
{
static const WCHAR sStatistics[] = {'S','t','a','t','i','s','t','i','c','s',0};
static const WCHAR sCategory[] = {'C','a','t','e','g','o','r','y',0};
static const WCHAR sIndex[] = {'I','n','d','e','x',0};
static const WCHAR sStatistic[] = {'S','t','a','t','i','s','t','i','c',0};
static const WCHAR sName[] = {'N','a','m','e',0};
static const WCHAR sValue[] = {'V','a','l','u','e',0};
HRESULT hr = S_OK;
IXMLDOMDocument *document = NULL;
IXMLDOMElement *root = NULL, *categoryElement, *statisticElement;
IXMLDOMNode *categoryNode, *statisticNode;
IXMLDOMNodeList *rootChildren = NULL, *categoryChildren;
VARIANT vStatsFilePath, vValue;
BSTR bstrStatistics = NULL, bstrCategory = NULL, bstrIndex = NULL,
bstrStatistic = NULL, bstrName = NULL, bstrValue = NULL;
VARIANT_BOOL isSuccessful = VARIANT_FALSE;
int i, j;
TRACE("(%p)\n", data);
V_VT(&vStatsFilePath) = VT_BSTR;
V_BSTR(&vStatsFilePath) = SysAllocString(data->sStatsFile);
if(!V_BSTR(&vStatsFilePath))
hr = E_OUTOFMEMORY;
if(SUCCEEDED(hr))
hr = CoCreateInstance(&CLSID_DOMDocument30, NULL, CLSCTX_INPROC_SERVER, &IID_IXMLDOMDocument, (void**)&document);
if(SUCCEEDED(hr))
{
bstrStatistics = SysAllocString(sStatistics);
if(!bstrStatistics)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrCategory = SysAllocString(sCategory);
if(!bstrCategory)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrIndex = SysAllocString(sIndex);
if(!bstrIndex)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrStatistic = SysAllocString(sStatistic);
if(!bstrStatistic)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrName = SysAllocString(sName);
if(!bstrName)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
bstrValue = SysAllocString(sValue);
if(!bstrValue)
hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
hr = IXMLDOMDocument_load(document, vStatsFilePath, &isSuccessful);
if(hr == S_OK && isSuccessful != VARIANT_TRUE)
hr = S_FALSE;
if( hr == S_OK )
hr = IXMLDOMDocument_get_documentElement(document, &root);
if(hr == S_OK)
hr = IXMLDOMElement_get_childNodes(root, &rootChildren);
if(hr == S_OK)
{
hr = S_OK;
while(hr == S_OK)
{
hr = IXMLDOMNodeList_nextNode(rootChildren, &categoryNode);
if(hr == S_OK)
{
hr = IXMLDOMNode_QueryInterface(categoryNode, &IID_IXMLDOMElement, (LPVOID*)&categoryElement);
if(SUCCEEDED(hr))
{
hr = IXMLDOMElement_getAttribute(categoryElement, bstrIndex, &vValue);
if( hr == S_OK && V_VT(&vValue) != VT_BSTR)
hr = E_FAIL;
if(SUCCEEDED(hr))
{
i = StrToIntW(V_BSTR(&vValue));
hr = IXMLDOMElement_getAttribute(categoryElement, bstrName, &vValue);
if( hr == S_OK && V_VT(&vValue) != VT_BSTR)
hr = E_FAIL;
}
if(SUCCEEDED(hr))
{
lstrcpynW(data->categories[i].sName, V_BSTR(&vValue), MAX_CATEGORY_LENGTH);
TRACE("category %d name %s\n", i, debugstr_w(data->categories[i].sName));
hr = IXMLDOMElement_get_childNodes(categoryElement, &categoryChildren);
}
if(SUCCEEDED(hr))
{
hr = S_OK;
while(hr == S_OK)
{
hr = IXMLDOMNodeList_nextNode(categoryChildren, &statisticNode);
if(hr == S_OK)
{
hr = IXMLDOMNode_QueryInterface(statisticNode, &IID_IXMLDOMElement, (LPVOID*)&statisticElement);
if(SUCCEEDED(hr))
{
hr = IXMLDOMElement_getAttribute(statisticElement, bstrIndex, &vValue);
if( hr == S_OK && V_VT(&vValue) != VT_BSTR)
hr = E_FAIL;
if(SUCCEEDED(hr))
{
j = StrToIntW(V_BSTR(&vValue));
hr = IXMLDOMElement_getAttribute(statisticElement, bstrName, &vValue);
if( hr == S_OK && V_VT(&vValue) != VT_BSTR)
hr = E_FAIL;
}
if(SUCCEEDED(hr))
{
lstrcpynW(data->categories[i].stats[j].sName, V_BSTR(&vValue), MAX_NAME_LENGTH);
hr = IXMLDOMElement_getAttribute(statisticElement, bstrValue, &vValue);
if( hr == S_OK && V_VT(&vValue) != VT_BSTR)
hr = E_FAIL;
}
if(SUCCEEDED(hr))
{
lstrcpynW(data->categories[i].stats[j].sValue, V_BSTR(&vValue), MAX_VALUE_LENGTH);
TRACE("statistic %d name %s value %s\n", j,
debugstr_w(data->categories[i].stats[j].sName),
debugstr_w(data->categories[i].stats[j].sValue));
}
IXMLDOMElement_Release(statisticElement);
}
IXMLDOMNode_Release(statisticNode);
}
}
if(SUCCEEDED(hr))
hr = S_OK;
}
IXMLDOMElement_Release(categoryElement);
}
IXMLDOMNode_Release(categoryNode);
}
}
if(SUCCEEDED(hr))
hr = S_OK;
}
if(rootChildren) IXMLDOMNodeList_Release(rootChildren);
if(root) IXMLDOMElement_Release(root);
if(document) IXMLDOMDocument_Release(document);
SysFreeString(bstrValue);
SysFreeString(bstrName);
SysFreeString(bstrStatistic);
SysFreeString(bstrIndex);
SysFreeString(bstrCategory);
SysFreeString(bstrStatistics);
SysFreeString(V_BSTR(&vStatsFilePath));
return hr;
}
/*******************************************************************
* GAMEUX_loadGameStatistics
*
* Helper function which loads game statistics associated with game
* into interface's internal structures
*
* Parameters:
* pStats [O] structure which will receive data
* sGameId [I] application instance Id, stored as string
* to avoid additional conversions
* openType [I] allowed ways of opening statistics
* pOpenResult [O] way used to open statistics
*
*/
static HRESULT GAMEUX_loadGameStatistics(struct GAMEUX_STATS *pStats,
LPWSTR sGameId,
GAMESTATS_OPEN_TYPE openType,
GAMESTATS_OPEN_RESULT* pOpenResult)
{
HRESULT hr;
TRACE("(%p, %s, %d, %p)\n", pStats, debugstr_w(sGameId), openType, pOpenResult);
hr = GAMEUX_buildStatisticsFilePath(sGameId, pStats->sStatsFile);
if (FAILED(hr)) return hr;
hr = GAMEUX_loadStatisticsFromFile(pStats);
TRACE("ldstats finished, res: %#x\n", hr);
if(hr == S_OK)
{
*pOpenResult = GAMESTATS_OPEN_OPENED;
}
else if(hr == S_FALSE && openType == GAMESTATS_OPEN_OPENORCREATE) /* file does not exist */
{
/* create new statistics, not yet connected with file */
ZeroMemory(pStats->categories, sizeof(pStats->categories));
*pOpenResult = GAMESTATS_OPEN_CREATED;
hr = S_OK;
}
else
hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
TRACE("openResult=%#x ret=%#x\n", *pOpenResult, hr);
return hr;
}
/*******************************************************************
* IGameStatistics implementation
*/
typedef struct _GameStatisticsImpl
{
IGameStatistics IGameStatistics_iface;
LONG ref;
struct GAMEUX_STATS stats;
} GameStatisticsImpl;
static inline GameStatisticsImpl *impl_from_IGameStatistics( IGameStatistics *iface )
{
return CONTAINING_RECORD(iface, GameStatisticsImpl, IGameStatistics_iface);
}
static HRESULT WINAPI GameStatisticsImpl_QueryInterface(
IGameStatistics *iface,
REFIID riid,
void **ppvObject)
{
GameStatisticsImpl *This = impl_from_IGameStatistics( iface );
TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
*ppvObject = NULL;
if ( IsEqualGUID( riid, &IID_IUnknown ) ||
IsEqualGUID( riid, &IID_IGameStatistics ) )
{
*ppvObject = iface;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IGameStatistics_AddRef( iface );
return S_OK;
}
static ULONG WINAPI GameStatisticsImpl_AddRef(IGameStatistics *iface)
{
GameStatisticsImpl *This = impl_from_IGameStatistics( iface );
LONG ref;
ref = InterlockedIncrement(&This->ref);
TRACE("(%p): ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI GameStatisticsImpl_Release(IGameStatistics *iface)
{
GameStatisticsImpl *This = impl_from_IGameStatistics( iface );
LONG ref;
ref = InterlockedDecrement( &This->ref );
TRACE("(%p): ref=%d\n", This, ref);
if ( ref == 0 )
{
TRACE("freeing IGameStatistics\n");
HeapFree( GetProcessHeap(), 0, This );
}
return ref;
}
static HRESULT WINAPI GameStatisticsImpl_GetMaxCategoryLength(
IGameStatistics *iface,
UINT *cch)
{
TRACE("(%p, %p)\n", iface, cch);
if(!cch)
return E_INVALIDARG;
*cch = MAX_CATEGORY_LENGTH;
return S_OK;
}
static HRESULT WINAPI GameStatisticsImpl_GetMaxNameLength(
IGameStatistics *iface,
UINT *cch)
{
TRACE("(%p, %p)\n", iface, cch);
if(!cch)
return E_INVALIDARG;
*cch = MAX_NAME_LENGTH;
return S_OK;
}
static HRESULT WINAPI GameStatisticsImpl_GetMaxValueLength(
IGameStatistics *iface,
UINT *cch)
{
TRACE("(%p, %p)\n", iface, cch);
if(!cch)
return E_INVALIDARG;
*cch = MAX_VALUE_LENGTH;
return S_OK;
}
static HRESULT WINAPI GameStatisticsImpl_GetMaxCategories(
IGameStatistics *iface,
WORD *pMax)
{
TRACE("(%p, %p)\n", iface, pMax);
if(!pMax)
return E_INVALIDARG;
*pMax = MAX_CATEGORIES;
return S_OK;
}
static HRESULT WINAPI GameStatisticsImpl_GetMaxStatsPerCategory(
IGameStatistics *iface,
WORD *pMax)
{
TRACE("(%p, %p)\n", iface, pMax);
if(!pMax)
return E_INVALIDARG;
*pMax = MAX_STATS_PER_CATEGORY;
return S_OK;
}
static HRESULT WINAPI GameStatisticsImpl_SetCategoryTitle(
IGameStatistics *iface,
WORD categoryIndex,
LPCWSTR title)
{
HRESULT hr = S_OK;
DWORD dwLength;
GameStatisticsImpl *This = impl_from_IGameStatistics(iface);
TRACE("(%p, %d, %s)\n", This, categoryIndex, debugstr_w(title));
if(!title || categoryIndex >= MAX_CATEGORIES)
return E_INVALIDARG;
dwLength = lstrlenW(title);
if(dwLength > MAX_CATEGORY_LENGTH)
{
hr = S_FALSE;
dwLength = MAX_CATEGORY_LENGTH;
}
lstrcpynW(This->stats.categories[categoryIndex].sName,
title, dwLength+1);
return hr;
}
static HRESULT WINAPI GameStatisticsImpl_GetCategoryTitle(
IGameStatistics *iface,
WORD categoryIndex,
LPWSTR *pTitle)
{
HRESULT hr = S_OK;
LONG nLength;
GameStatisticsImpl *This = impl_from_IGameStatistics(iface);
TRACE("%p, %d, %p\n", This, categoryIndex, pTitle);
if(!pTitle)
return E_INVALIDARG;
*pTitle = NULL;
if (categoryIndex >= MAX_CATEGORIES)
hr = E_INVALIDARG;
if(SUCCEEDED(hr))
{
nLength = lstrlenW(This->stats.categories[categoryIndex].sName);
if(nLength != 0)
{
*pTitle = CoTaskMemAlloc(sizeof(WCHAR)*(nLength+1));
lstrcpyW(*pTitle, This->stats.categories[categoryIndex].sName);
}
}
return hr;
}
static HRESULT WINAPI GameStatisticsImpl_GetStatistic(
IGameStatistics *iface,
WORD categoryIndex,
WORD statIndex,
LPWSTR *pName,
LPWSTR *pValue)
{
HRESULT hr = S_OK;
LONG nLength;
GameStatisticsImpl *This = impl_from_IGameStatistics(iface);
TRACE("%p, %d,%d, %p, %p\n", This, categoryIndex, statIndex, pName, pValue);
if(!pName || !pValue)
return E_INVALIDARG;
*pName = NULL;
*pValue = NULL;
if(categoryIndex >= MAX_CATEGORIES || statIndex >= MAX_STATS_PER_CATEGORY)
hr = E_INVALIDARG;
if(SUCCEEDED(hr))
{
nLength = lstrlenW(This->stats.categories[categoryIndex].stats[statIndex].sName);
if(nLength != 0)
{
*pName = CoTaskMemAlloc(sizeof(WCHAR)*(nLength+1));
if(!(*pName))
hr = E_OUTOFMEMORY;
else
lstrcpyW(*pName, This->stats.categories[categoryIndex].stats[statIndex].sName);
}
}
if(SUCCEEDED(hr))
{
nLength = lstrlenW(This->stats.categories[categoryIndex].stats[statIndex].sValue);
if(nLength != 0)
{
*pValue = CoTaskMemAlloc(sizeof(WCHAR)*(nLength+1));
if(!(*pValue))
hr = E_OUTOFMEMORY;
else
lstrcpyW(*pValue, This->stats.categories[categoryIndex].stats[statIndex].sValue);
}
}
TRACE("returning pair; %s => %s\n", debugstr_w(*pName), debugstr_w(*pValue));
return hr;
}
static HRESULT WINAPI GameStatisticsImpl_SetStatistic(
IGameStatistics *iface,
WORD categoryIndex,
WORD statIndex,
LPCWSTR name,
LPCWSTR value)
{
HRESULT hr = S_OK;
DWORD dwNameLen, dwValueLen;
GameStatisticsImpl *This = impl_from_IGameStatistics(iface);
TRACE("(%p, %d, %d, %s, %s)\n", This, categoryIndex, statIndex,
debugstr_w(name), debugstr_w(value));
if(!name)
return S_FALSE;
if(categoryIndex >= MAX_CATEGORIES || statIndex >= MAX_STATS_PER_CATEGORY)
return E_INVALIDARG;
dwNameLen = lstrlenW(name);
if(dwNameLen > MAX_NAME_LENGTH)
{
hr = S_FALSE;
dwNameLen = MAX_NAME_LENGTH;
}
lstrcpynW(This->stats.categories[categoryIndex].stats[statIndex].sName,
name, dwNameLen+1);
if(value)
{
dwValueLen = lstrlenW(value);
if(dwValueLen > MAX_VALUE_LENGTH)
{
hr = S_FALSE;
dwValueLen = MAX_VALUE_LENGTH;
}
lstrcpynW(This->stats.categories[categoryIndex].stats[statIndex].sValue,
value, dwValueLen+1);
}
else
/* Windows allows passing NULL as value */
This->stats.categories[categoryIndex].stats[statIndex].sValue[0] = 0;
return hr;
}
static HRESULT WINAPI GameStatisticsImpl_Save(
IGameStatistics *iface,
BOOL trackChanges)
{
GameStatisticsImpl *This = impl_from_IGameStatistics(iface);
TRACE("(%p, %d)\n", This, trackChanges);
if(trackChanges)
FIXME("tracking changes not yet implemented\n");
return GAMEUX_updateStatisticsFile(&This->stats);
}
static HRESULT WINAPI GameStatisticsImpl_SetLastPlayedCategory(
IGameStatistics *iface,
UINT categoryIndex)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI GameStatisticsImpl_GetLastPlayedCategory(
IGameStatistics *iface,
UINT *pCategoryIndex)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static const struct IGameStatisticsVtbl GameStatisticsImplVtbl =
{
GameStatisticsImpl_QueryInterface,
GameStatisticsImpl_AddRef,
GameStatisticsImpl_Release,
GameStatisticsImpl_GetMaxCategoryLength,
GameStatisticsImpl_GetMaxNameLength,
GameStatisticsImpl_GetMaxValueLength,
GameStatisticsImpl_GetMaxCategories,
GameStatisticsImpl_GetMaxStatsPerCategory,
GameStatisticsImpl_SetCategoryTitle,
GameStatisticsImpl_GetCategoryTitle,
GameStatisticsImpl_GetStatistic,
GameStatisticsImpl_SetStatistic,
GameStatisticsImpl_Save,
GameStatisticsImpl_SetLastPlayedCategory,
GameStatisticsImpl_GetLastPlayedCategory
};
static HRESULT create_IGameStatistics(GameStatisticsImpl** ppStats)
{
TRACE("(%p)\n", ppStats);
*ppStats = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**ppStats));
if(!(*ppStats))
return E_OUTOFMEMORY;
(*ppStats)->IGameStatistics_iface.lpVtbl = &GameStatisticsImplVtbl;
(*ppStats)->ref = 1;
TRACE("returning coclass: %p\n", *ppStats);
return S_OK;
}
/*******************************************************************************
* IGameStatisticsMgr implementation
*/
typedef struct _GameStatisticsMgrImpl
{
IGameStatisticsMgr IGameStatisticsMgr_iface;
LONG ref;
} GameStatisticsMgrImpl;
static inline GameStatisticsMgrImpl *impl_from_IGameStatisticsMgr( IGameStatisticsMgr *iface )
{
return CONTAINING_RECORD(iface, GameStatisticsMgrImpl, IGameStatisticsMgr_iface);
}
static HRESULT WINAPI GameStatisticsMgrImpl_QueryInterface(
IGameStatisticsMgr *iface,
REFIID riid,
void **ppvObject)
{
GameStatisticsMgrImpl *This = impl_from_IGameStatisticsMgr( iface );
TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
*ppvObject = NULL;
if(IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IGameStatisticsMgr) )
{
*ppvObject = iface;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IGameStatisticsMgr_AddRef( iface );
return S_OK;
}
static ULONG WINAPI GameStatisticsMgrImpl_AddRef(IGameStatisticsMgr *iface)
{
GameStatisticsMgrImpl *This = impl_from_IGameStatisticsMgr( iface );
LONG ref;
ref = InterlockedIncrement(&This->ref);
TRACE("(%p): ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI GameStatisticsMgrImpl_Release(IGameStatisticsMgr *iface)
{
GameStatisticsMgrImpl *This = impl_from_IGameStatisticsMgr( iface );
LONG ref;
ref = InterlockedDecrement(&This->ref);
TRACE("(%p): ref=%d\n", This, ref);
if ( ref == 0 )
{
TRACE("freeing GameStatistics object\n");
HeapFree( GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT STDMETHODCALLTYPE GameStatisticsMgrImpl_GetGameStatistics(
IGameStatisticsMgr* iface,
LPCWSTR GDFBinaryPath,
GAMESTATS_OPEN_TYPE openType,
GAMESTATS_OPEN_RESULT *pOpenResult,
IGameStatistics **ppiStats)
{
HRESULT hr;
WCHAR lpApplicationId[49];
GameStatisticsImpl *statisticsImpl = NULL;
IGameStatistics *output_iface;
TRACE("(%p, %s, 0x%x, %p, %p)\n", iface, debugstr_w(GDFBinaryPath), openType, pOpenResult, ppiStats);
hr = GAMEUX_getAppIdFromGDFPath(GDFBinaryPath, lpApplicationId);
if(SUCCEEDED(hr))
hr = create_IGameStatistics(&statisticsImpl);
if(SUCCEEDED(hr))
{
output_iface = &statisticsImpl->IGameStatistics_iface;
hr = GAMEUX_buildStatisticsFilePath(lpApplicationId, statisticsImpl->stats.sStatsFile);
}
if(SUCCEEDED(hr))
hr = GAMEUX_loadGameStatistics(&statisticsImpl->stats, lpApplicationId, openType, pOpenResult);
if(SUCCEEDED(hr))
*ppiStats = output_iface;
else
{
HeapFree(GetProcessHeap(), 0, statisticsImpl);
*ppiStats = NULL;
}
return hr;
}
static HRESULT STDMETHODCALLTYPE GameStatisticsMgrImpl_RemoveGameStatistics(
IGameStatisticsMgr* iface,
LPCWSTR GDFBinaryPath)
{
HRESULT hr;
WCHAR lpApplicationId[49];
WCHAR sStatsFile[MAX_PATH];
TRACE("(%p, %s)\n", iface, debugstr_w(GDFBinaryPath));
hr = GAMEUX_getAppIdFromGDFPath(GDFBinaryPath, lpApplicationId);
if(SUCCEEDED(hr))
hr = GAMEUX_buildStatisticsFilePath(lpApplicationId, sStatsFile);
if(SUCCEEDED(hr))
hr = DeleteFileW(sStatsFile) ? S_OK : HRESULT_FROM_WIN32(GetLastError());
return hr;
}
static const struct IGameStatisticsMgrVtbl GameStatisticsMgrImplVtbl =
{
GameStatisticsMgrImpl_QueryInterface,
GameStatisticsMgrImpl_AddRef,
GameStatisticsMgrImpl_Release,
GameStatisticsMgrImpl_GetGameStatistics,
GameStatisticsMgrImpl_RemoveGameStatistics,
};
HRESULT GameStatistics_create(
IUnknown *pUnkOuter,
IUnknown **ppObj)
{
GameStatisticsMgrImpl *pGameStatistics;
TRACE("(%p, %p)\n", pUnkOuter, ppObj);
pGameStatistics = HeapAlloc( GetProcessHeap(), 0, sizeof (*pGameStatistics) );
if( !pGameStatistics )
return E_OUTOFMEMORY;
pGameStatistics->IGameStatisticsMgr_iface.lpVtbl = &GameStatisticsMgrImplVtbl;
pGameStatistics->ref = 1;
*ppObj = (IUnknown*)&pGameStatistics->IGameStatisticsMgr_iface;
TRACE("returning iface %p\n", *ppObj);
return S_OK;
}
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