Sweden-Number/dlls/dxdiagn/container.c

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/*
* 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
*
*/
#define COBJMACROS
#include "dxdiag_private.h"
#include "wine/debug.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 <= lstrlenW(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)
{
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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 = lstrlenW(pwszContainer) + 1;
orig_tmp = tmp = HeapAlloc(GetProcessHeap(), 0, tmp_len * sizeof(WCHAR));
if (NULL == tmp) return E_FAIL;
lstrcpynW(tmp, pwszContainer, tmp_len);
/* special handling for an empty string and leaf container */
if (!tmp[0] && list_empty(&pContainer->subContainers)) {
hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, pContainer, This->pProv, (void **)ppInstance);
if (SUCCEEDED(hr))
TRACE("Succeeded in getting the container instance\n");
goto out;
}
cur = wcschr(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 out;
cur++; /* go after '.' (just replaced by \0) */
tmp = cur;
cur = wcschr(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");
}
out:
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 <= lstrlenW(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);
}