dlls/dxdiagn/container.c

   1 /*
   2  * IDxDiagContainer Implementation
   3  *
   4  * Copyright 2004 Raphael Junqueira
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #include "config.h"
  23
  24 #define COBJMACROS
  25 #include "dxdiag_private.h"
  26 #include "wine/debug.h"
  27 #include "wine/unicode.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
  30
  31 /* IDxDiagContainer IUnknown parts follow: */
  32 HRESULT WINAPI IDxDiagContainerImpl_QueryInterface(PDXDIAGCONTAINER iface, REFIID riid, LPVOID *ppobj)
  33 {
  34     IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
  35
  36     if (!ppobj) return E_INVALIDARG;
  37
  38     if (IsEqualGUID(riid, &IID_IUnknown)
  39         || IsEqualGUID(riid, &IID_IDxDiagContainer)) {
  40         IUnknown_AddRef(iface);
  41         *ppobj = This;
  42         return S_OK;
  43     }
  44
  45     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  46     *ppobj = NULL;
  47     return E_NOINTERFACE;
  48 }
  49
  50 static ULONG WINAPI IDxDiagContainerImpl_AddRef(PDXDIAGCONTAINER iface) {
  51     IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
  52     ULONG refCount = InterlockedIncrement(&This->ref);
  53
  54     TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  55
  56     DXDIAGN_LockModule();
  57
  58     return refCount;
  59 }
  60
  61 static ULONG WINAPI IDxDiagContainerImpl_Release(PDXDIAGCONTAINER iface) {
  62     IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
  63     ULONG refCount = InterlockedDecrement(&This->ref);
  64
  65     TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  66
  67     if (!refCount) {
  68         HeapFree(GetProcessHeap(), 0, This);
  69     }
  70
  71     DXDIAGN_UnlockModule();
  72
  73     return refCount;
  74 }
  75
  76 /* IDxDiagContainer Interface follow: */
  77 static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfChildContainers(PDXDIAGCONTAINER iface, DWORD* pdwCount) {
  78   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
  79   TRACE("(%p)\n", iface);
  80   if (NULL == pdwCount) {
  81     return E_INVALIDARG;
  82   }
  83   *pdwCount = This->nSubContainers;
  84   return S_OK;
  85 }
  86
  87 static HRESULT WINAPI IDxDiagContainerImpl_EnumChildContainerNames(PDXDIAGCONTAINER iface, DWORD dwIndex, LPWSTR pwszContainer, DWORD cchContainer) {
  88   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
  89   IDxDiagContainerImpl_SubContainer* p = NULL;
  90   DWORD i = 0;
  91
  92   TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszContainer, cchContainer);
  93
  94   if (NULL == pwszContainer || 0 == cchContainer) {
  95     return E_INVALIDARG;
  96   }
  97
  98   p = This->subContainers;
  99   while (NULL != p) {
 100     if (dwIndex == i) {
 101       TRACE("Found container name %s, copying string\n", debugstr_w(p->contName));
 102       lstrcpynW(pwszContainer, p->contName, cchContainer);
 103       return (cchContainer <= strlenW(p->contName)) ?
 104               DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
 105     }
 106     p = p->next;
 107     ++i;
 108   }
 109
 110   TRACE("Failed to find container name at specified index\n");
 111   *pwszContainer = '\0';
 112   return E_INVALIDARG;
 113 }
 114
 115 static HRESULT IDxDiagContainerImpl_GetChildContainerInternal(PDXDIAGCONTAINER iface, LPCWSTR pwszContainer, IDxDiagContainer** ppInstance) {
 116   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 117   IDxDiagContainerImpl_SubContainer* p = NULL;
 118
 119   p = This->subContainers;
 120   while (NULL != p) {
 121     if (0 == lstrcmpW(p->contName, pwszContainer)) {
 122       *ppInstance = p->pCont;
 123       return S_OK;
 124     }
 125     p = p->next;
 126   }
 127   return E_INVALIDARG;
 128 }
 129
 130 static HRESULT WINAPI IDxDiagContainerImpl_GetChildContainer(PDXDIAGCONTAINER iface, LPCWSTR pwszContainer, IDxDiagContainer** ppInstance) {
 131   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 132   IDxDiagContainer* pContainer = (PDXDIAGCONTAINER)This;
 133   LPWSTR tmp, orig_tmp;
 134   INT tmp_len;
 135   WCHAR* cur;
 136   HRESULT hr = E_INVALIDARG;
 137
 138   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszContainer), ppInstance);
 139
 140   if (NULL == ppInstance || NULL == pwszContainer) {
 141     return E_INVALIDARG;
 142   }
 143
 144   *ppInstance = NULL;
 145
 146   tmp_len = strlenW(pwszContainer) + 1;
 147   orig_tmp = tmp = HeapAlloc(GetProcessHeap(), 0, tmp_len * sizeof(WCHAR));
 148   if (NULL == tmp) return E_FAIL;
 149   lstrcpynW(tmp, pwszContainer, tmp_len);
 150
 151   cur = strchrW(tmp, '.');
 152   while (NULL != cur) {
 153     *cur = '\0'; /* cut tmp string to '.' */
 154     if (!*(cur + 1)) break; /* Account for a lone terminating period, as in "cont1.cont2.". */
 155     TRACE("Trying to get parent container %s\n", debugstr_w(tmp));
 156     hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
 157     if (FAILED(hr) || NULL == pContainer)
 158       goto on_error;
 159     cur++; /* go after '.' (just replaced by \0) */
 160     tmp = cur;
 161     cur = strchrW(tmp, '.');
 162   }
 163
 164   TRACE("Trying to get container %s\n", debugstr_w(tmp));
 165   hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, ppInstance);
 166   if (SUCCEEDED(hr)) {
 167     TRACE("Succeeded in getting the container instance\n");
 168     IDxDiagContainerImpl_AddRef(*ppInstance);
 169   }
 170
 171 on_error:
 172   HeapFree(GetProcessHeap(), 0, orig_tmp);
 173   return hr;
 174 }
 175
 176 static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfProps(PDXDIAGCONTAINER iface, DWORD* pdwCount) {
 177   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 178   TRACE("(%p)\n", iface);
 179   if (NULL == pdwCount) {
 180     return E_INVALIDARG;
 181   }
 182   *pdwCount = This->nProperties;
 183   return S_OK;
 184 }
 185
 186 static HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(PDXDIAGCONTAINER iface, DWORD dwIndex, LPWSTR pwszPropName, DWORD cchPropName) {
 187   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 188   IDxDiagContainerImpl_Property* p = NULL;
 189   DWORD i = 0;
 190
 191   TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszPropName, cchPropName);
 192
 193   if (NULL == pwszPropName || 0 == cchPropName) {
 194     return E_INVALIDARG;
 195   }
 196
 197   p = This->properties;
 198   while (NULL != p) {
 199     if (dwIndex == i) {
 200       TRACE("Found property name %s, copying string\n", debugstr_w(p->vName));
 201       lstrcpynW(pwszPropName, p->vName, cchPropName);
 202       return (cchPropName <= strlenW(p->vName)) ?
 203               DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
 204     }
 205     p = p->next;
 206     ++i;
 207   }
 208   TRACE("Failed to find property name at specified index\n");
 209   return E_INVALIDARG;
 210 }
 211
 212 static HRESULT WINAPI IDxDiagContainerImpl_GetProp(PDXDIAGCONTAINER iface, LPCWSTR pwszPropName, VARIANT* pvarProp) {
 213   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 214   IDxDiagContainerImpl_Property* p = NULL;
 215
 216   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pvarProp);
 217
 218   if (NULL == pvarProp || NULL == pwszPropName) {
 219     return E_INVALIDARG;
 220   }
 221
 222   p = This->properties;
 223   while (NULL != p) {
 224     if (0 == lstrcmpW(p->vName, pwszPropName)) {
 225       HRESULT hr = VariantClear(pvarProp);
 226       if (hr == DISP_E_ARRAYISLOCKED || hr == DISP_E_BADVARTYPE)
 227         VariantInit(pvarProp);
 228
 229       return VariantCopy(pvarProp, &p->v);
 230     }
 231     p = p->next;
 232   }
 233   return E_INVALIDARG;
 234 }
 235
 236 HRESULT WINAPI IDxDiagContainerImpl_AddProp(PDXDIAGCONTAINER iface, LPCWSTR pwszPropName, VARIANT* pVarProp) {
 237   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 238   IDxDiagContainerImpl_Property* p = NULL;
 239   IDxDiagContainerImpl_Property* pNew = NULL;
 240
 241   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pVarProp);
 242
 243   if (NULL == pVarProp || NULL == pwszPropName) {
 244     return E_INVALIDARG;
 245   }
 246
 247   pNew =  HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl_Property));
 248   if (NULL == pNew) {
 249     return E_OUTOFMEMORY;
 250   }
 251   VariantInit(&pNew->v);
 252   VariantCopy(&pNew->v, pVarProp);
 253   pNew->vName = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (lstrlenW(pwszPropName) + 1) * sizeof(WCHAR));
 254   lstrcpyW(pNew->vName, pwszPropName);
 255   pNew->next = NULL;
 256
 257   p = This->properties;
 258   if (NULL == p) {
 259     This->properties = pNew;
 260   } else {
 261     while (NULL != p->next) {
 262       p = p->next;
 263     }
 264     p->next = pNew;
 265   }
 266   ++This->nProperties;
 267   return S_OK;
 268 }
 269
 270 HRESULT WINAPI IDxDiagContainerImpl_AddChildContainer(PDXDIAGCONTAINER iface, LPCWSTR pszContName, PDXDIAGCONTAINER pSubCont) {
 271   IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
 272   IDxDiagContainerImpl_SubContainer* p = NULL;
 273   IDxDiagContainerImpl_SubContainer* pNew = NULL;
 274
 275   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pszContName), pSubCont);
 276
 277   if (NULL == pSubCont || NULL == pszContName) {
 278     return E_INVALIDARG;
 279   }
 280
 281   pNew =  HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl_SubContainer));
 282   if (NULL == pNew) {
 283     return E_OUTOFMEMORY;
 284   }
 285   pNew->pCont = pSubCont;
 286   pNew->contName = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (lstrlenW(pszContName) + 1) * sizeof(WCHAR));
 287   lstrcpyW(pNew->contName, pszContName);
 288   pNew->next = NULL;
 289
 290   p = This->subContainers;
 291   if (NULL == p) {
 292     This->subContainers = pNew;
 293   } else {
 294     while (NULL != p->next) {
 295       p = p->next;
 296     }
 297     p->next = pNew;
 298   }
 299   ++This->nSubContainers;
 300   return S_OK;
 301 }
 302
 303 static const IDxDiagContainerVtbl DxDiagContainer_Vtbl =
 304 {
 305     IDxDiagContainerImpl_QueryInterface,
 306     IDxDiagContainerImpl_AddRef,
 307     IDxDiagContainerImpl_Release,
 308     IDxDiagContainerImpl_GetNumberOfChildContainers,
 309     IDxDiagContainerImpl_EnumChildContainerNames,
 310     IDxDiagContainerImpl_GetChildContainer,
 311     IDxDiagContainerImpl_GetNumberOfProps,
 312     IDxDiagContainerImpl_EnumPropNames,
 313     IDxDiagContainerImpl_GetProp
 314 };
 315
 316
 317 HRESULT DXDiag_CreateDXDiagContainer(REFIID riid, LPVOID *ppobj) {
 318   IDxDiagContainerImpl* container;
 319
 320   TRACE("(%p, %p)\n", debugstr_guid(riid), ppobj);
 321
 322   container = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl));
 323   if (NULL == container) {
 324     *ppobj = NULL;
 325     return E_OUTOFMEMORY;
 326   }
 327   container->lpVtbl = &DxDiagContainer_Vtbl;
 328   container->ref = 0; /* will be inited with QueryInterface */
 329   return IDxDiagContainerImpl_QueryInterface((PDXDIAGCONTAINER)container, riid, ppobj);
 330 }