Wine Cross Reference
wine/dlls/dxdiagn/container.c

   /* 
    * IDxDiagContainer Implementation
    * 
    * Copyright 2004 Raphael Junqueira
    *
    * 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
   *
   */
  
  #include "config.h"
  
  #define COBJMACROS
  #include "dxdiag_private.h"
  #include "wine/debug.h"
  #include "wine/unicode.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
  
  static inline IDxDiagContainerImpl *impl_from_IDxDiagContainer(IDxDiagContainer *iface)
  {
      return CONTAINING_RECORD(iface, IDxDiagContainerImpl, IDxDiagContainer_iface);
  }
  
  /* IDxDiagContainer IUnknown parts follow: */
  static HRESULT WINAPI IDxDiagContainerImpl_QueryInterface(IDxDiagContainer *iface, REFIID riid,
          void **ppobj)
  {
      IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
  
      if (!ppobj) return E_INVALIDARG;
  
      if (IsEqualGUID(riid, &IID_IUnknown)
          || IsEqualGUID(riid, &IID_IDxDiagContainer)) {
          IUnknown_AddRef(iface);
          *ppobj = This;
          return S_OK;
      }
  
      WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
      *ppobj = NULL;
      return E_NOINTERFACE;
  }
  
  static ULONG WINAPI IDxDiagContainerImpl_AddRef(IDxDiagContainer *iface)
  {
      IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
      ULONG refCount = InterlockedIncrement(&This->ref);
  
      TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
  
      DXDIAGN_LockModule();
  
      return refCount;
  }
  
  static ULONG WINAPI IDxDiagContainerImpl_Release(IDxDiagContainer *iface)
  {
      IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
      ULONG refCount = InterlockedDecrement(&This->ref);
  
      TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
  
      if (!refCount) {
          IDxDiagProvider_Release(This->pProv);
          HeapFree(GetProcessHeap(), 0, This);
      }
  
      DXDIAGN_UnlockModule();
      
      return refCount;
  }
  
  /* IDxDiagContainer Interface follow: */
  static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfChildContainers(IDxDiagContainer *iface,
          DWORD *pdwCount)
  {
    IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
  
    TRACE("(%p)\n", iface);
    if (NULL == pdwCount) {
      return E_INVALIDARG;
    }
    *pdwCount = This->cont->nSubContainers;
    return S_OK;
  }
  
  static HRESULT WINAPI IDxDiagContainerImpl_EnumChildContainerNames(IDxDiagContainer *iface,
         DWORD dwIndex, LPWSTR pwszContainer, DWORD cchContainer)
 {
   IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
   IDxDiagContainerImpl_Container *p;
   DWORD i = 0;
 
   TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszContainer, cchContainer);
 
   if (NULL == pwszContainer || 0 == cchContainer) {
     return E_INVALIDARG;
   }
 
   LIST_FOR_EACH_ENTRY(p, &This->cont->subContainers, IDxDiagContainerImpl_Container, entry)
   {
     if (dwIndex == i) {
       TRACE("Found container name %s, copying string\n", debugstr_w(p->contName));
       lstrcpynW(pwszContainer, p->contName, cchContainer);
       return (cchContainer <= strlenW(p->contName)) ?
               DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
     }
     ++i;
   }
 
   TRACE("Failed to find container name at specified index\n");
   *pwszContainer = '\0';
   return E_INVALIDARG;
 }
 
 static HRESULT IDxDiagContainerImpl_GetChildContainerInternal(IDxDiagContainerImpl_Container *cont, LPCWSTR pwszContainer, IDxDiagContainerImpl_Container **subcont) {
   IDxDiagContainerImpl_Container *p;
 
   LIST_FOR_EACH_ENTRY(p, &cont->subContainers, IDxDiagContainerImpl_Container, entry)
   {
     if (0 == lstrcmpW(p->contName, pwszContainer)) {
       *subcont = p;
       return S_OK;
     }
   }
 
   return E_INVALIDARG;
 }
 
 static HRESULT WINAPI IDxDiagContainerImpl_GetChildContainer(IDxDiagContainer *iface,
         LPCWSTR pwszContainer, IDxDiagContainer **ppInstance)
 {
   IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
   IDxDiagContainerImpl_Container *pContainer = This->cont;
   LPWSTR tmp, orig_tmp;
   INT tmp_len;
   WCHAR* cur;
   HRESULT hr = E_INVALIDARG;
 
   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszContainer), ppInstance);
 
   if (NULL == ppInstance || NULL == pwszContainer) {
     return E_INVALIDARG;
   }
 
   *ppInstance = NULL;
 
   tmp_len = strlenW(pwszContainer) + 1;
   orig_tmp = tmp = HeapAlloc(GetProcessHeap(), 0, tmp_len * sizeof(WCHAR));
   if (NULL == tmp) return E_FAIL;
   lstrcpynW(tmp, pwszContainer, tmp_len);
 
   cur = strchrW(tmp, '.');
   while (NULL != cur) {
     *cur = '\0'; /* cut tmp string to '.' */
     if (!*(cur + 1)) break; /* Account for a lone terminating period, as in "cont1.cont2.". */
     TRACE("Trying to get parent container %s\n", debugstr_w(tmp));
     hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
     if (FAILED(hr))
       goto on_error;
     cur++; /* go after '.' (just replaced by \0) */
     tmp = cur;
     cur = strchrW(tmp, '.');
   }
 
   TRACE("Trying to get container %s\n", debugstr_w(tmp));
   hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
   if (SUCCEEDED(hr)) {
     hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, pContainer, This->pProv, (void **)ppInstance);
     if (SUCCEEDED(hr))
         TRACE("Succeeded in getting the container instance\n");
   }
 
 on_error:
   HeapFree(GetProcessHeap(), 0, orig_tmp);
   return hr;
 }
 
 static HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfProps(IDxDiagContainer *iface,
         DWORD *pdwCount)
 {
   IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
 
   TRACE("(%p)\n", iface);
   if (NULL == pdwCount) {
     return E_INVALIDARG;
   }
   *pdwCount = This->cont->nProperties;
   return S_OK;
 }
 
 static HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(IDxDiagContainer *iface, DWORD dwIndex,
         LPWSTR pwszPropName, DWORD cchPropName)
 {
   IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
   IDxDiagContainerImpl_Property *p;
   DWORD i = 0;
 
   TRACE("(%p, %u, %p, %u)\n", iface, dwIndex, pwszPropName, cchPropName);
 
   if (NULL == pwszPropName || 0 == cchPropName) {
     return E_INVALIDARG;
   }
 
   LIST_FOR_EACH_ENTRY(p, &This->cont->properties, IDxDiagContainerImpl_Property, entry)
   {
     if (dwIndex == i) {
       TRACE("Found property name %s, copying string\n", debugstr_w(p->propName));
       lstrcpynW(pwszPropName, p->propName, cchPropName);
       return (cchPropName <= strlenW(p->propName)) ?
               DXDIAG_E_INSUFFICIENT_BUFFER : S_OK;
     }
     ++i;
   }
 
   TRACE("Failed to find property name at specified index\n");
   return E_INVALIDARG;
 }
 
 static HRESULT WINAPI IDxDiagContainerImpl_GetProp(IDxDiagContainer *iface, LPCWSTR pwszPropName,
         VARIANT *pvarProp)
 {
   IDxDiagContainerImpl *This = impl_from_IDxDiagContainer(iface);
   IDxDiagContainerImpl_Property *p;
 
   TRACE("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pvarProp);
 
   if (NULL == pvarProp || NULL == pwszPropName) {
     return E_INVALIDARG;
   }
 
   LIST_FOR_EACH_ENTRY(p, &This->cont->properties, IDxDiagContainerImpl_Property, entry)
   {
     if (0 == lstrcmpW(p->propName, pwszPropName)) {
       VariantInit(pvarProp);
       return VariantCopy(pvarProp, &p->vProp);
     }
   }
 
   return E_INVALIDARG;
 }
 
 static const IDxDiagContainerVtbl DxDiagContainer_Vtbl =
 {
     IDxDiagContainerImpl_QueryInterface,
     IDxDiagContainerImpl_AddRef,
     IDxDiagContainerImpl_Release,
     IDxDiagContainerImpl_GetNumberOfChildContainers,
     IDxDiagContainerImpl_EnumChildContainerNames,
     IDxDiagContainerImpl_GetChildContainer,
     IDxDiagContainerImpl_GetNumberOfProps,
     IDxDiagContainerImpl_EnumPropNames,
     IDxDiagContainerImpl_GetProp
 };
 
 
 HRESULT DXDiag_CreateDXDiagContainer(REFIID riid, IDxDiagContainerImpl_Container *cont, IDxDiagProvider *pProv, LPVOID *ppobj) {
   IDxDiagContainerImpl* container;
 
   TRACE("(%s, %p)\n", debugstr_guid(riid), ppobj);
 
   container = HeapAlloc(GetProcessHeap(), 0, sizeof(IDxDiagContainerImpl));
   if (NULL == container) {
     *ppobj = NULL;
     return E_OUTOFMEMORY;
   }
   container->IDxDiagContainer_iface.lpVtbl = &DxDiagContainer_Vtbl;
   container->ref = 0; /* will be inited with QueryInterface */
   container->cont = cont;
   container->pProv = pProv;
   IDxDiagProvider_AddRef(pProv);
   return IDxDiagContainerImpl_QueryInterface(&container->IDxDiagContainer_iface, riid, ppobj);
 }