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wmiutils: Parse the path passed to IWbemPath::SetText.

This commit is contained in:
Hans Leidekker 2013-01-02 13:34:03 +01:00 committed by Alexandre Julliard
parent ee9c242295
commit 8059192e12
1 changed files with 112 additions and 12 deletions
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124
dlls/wmiutils/path.c
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@ -36,11 +36,41 @@ WINE_DEFAULT_DEBUG_CHANNEL(wmiutils);
struct path
{
IWbemPath IWbemPath_iface;
LONG refs;
WCHAR *text;
int len;
LONG refs;
WCHAR *text;
int len_text;
WCHAR *server;
int len_server;
WCHAR **namespaces;
int *len_namespaces;
int num_namespaces;
WCHAR *class;
int len_class;
};
static void init_path( struct path *path )
{
path->text = NULL;
path->len_text = 0;
path->server = NULL;
path->len_server = 0;
path->namespaces = NULL;
path->len_namespaces = NULL;
path->num_namespaces = 0;
path->class = NULL;
path->len_class = 0;
}
static void clear_path( struct path *path )
{
heap_free( path->text );
heap_free( path->server );
heap_free( path->namespaces );
heap_free( path->len_namespaces );
heap_free( path->class );
init_path( path );
}
static inline struct path *impl_from_IWbemPath( IWbemPath *iface )
{
return CONTAINING_RECORD(iface, struct path, IWbemPath_iface);
@ -61,7 +91,7 @@ static ULONG WINAPI path_Release(
if (!refs)
{
TRACE("destroying %p\n", path);
heap_free( path->text );
clear_path( path );
heap_free( path );
}
return refs;
@ -90,25 +120,94 @@ static HRESULT WINAPI path_QueryInterface(
return S_OK;
}
static HRESULT parse_text( struct path *path, ULONG mode, const WCHAR *text )
{
HRESULT hr = E_OUTOFMEMORY;
const WCHAR *p, *q;
unsigned int i, len;
p = q = text;
if ((p[0] == '\\' && p[1] == '\\') || (p[0] == '/' && p[1] == '/'))
{
p += 2;
q = p;
while (*q && *q != '\\' && *q != '/') q++;
len = q - p;
if (!(path->server = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto done;
memcpy( path->server, p, len * sizeof(WCHAR) );
path->server[len] = 0;
path->len_server = len;
}
p = q;
while (*q && *q != ':')
{
if (*q == '\\' || *q == '/') path->num_namespaces++;
q++;
}
if (path->num_namespaces)
{
if (!(path->namespaces = heap_alloc( path->num_namespaces * sizeof(WCHAR *) ))) goto done;
if (!(path->len_namespaces = heap_alloc( path->num_namespaces * sizeof(int) ))) goto done;
i = 0;
q = p;
while (*q && *q != ':')
{
if (*q == '\\' || *q == '/')
{
p = q + 1;
while (*p && *p != '\\' && *p != '/' && *p != ':') p++;
len = p - q - 1;
if (!(path->namespaces[i] = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto done;
memcpy( path->namespaces[i], q + 1, len * sizeof(WCHAR) );
path->namespaces[i][len] = 0;
path->len_namespaces[i] = len;
i++;
}
q++;
}
}
if (*q == ':') q++;
p = q;
while (*q && *q != '.') q++;
len = q - p;
if (!(path->class = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto done;
memcpy( path->class, p, len * sizeof(WCHAR) );
path->class[len] = 0;
path->len_class = len;
if (*q == '.') FIXME("handle key list\n");
hr = S_OK;
done:
if (hr != S_OK) clear_path( path );
return hr;
}
static HRESULT WINAPI path_SetText(
IWbemPath *iface,
ULONG uMode,
LPCWSTR pszPath)
{
struct path *path = impl_from_IWbemPath( iface );
HRESULT hr;
int len;
TRACE("%p, %u, %s\n", iface, uMode, debugstr_w(pszPath));
if (!pszPath) return WBEM_E_INVALID_PARAMETER;
if (!uMode || !pszPath) return WBEM_E_INVALID_PARAMETER;
if (uMode) FIXME("igoring mode %u\n", uMode);
clear_path( path );
if ((hr = parse_text( path, uMode, pszPath )) != S_OK) return hr;
len = strlenW( pszPath );
if (!(path->text = heap_alloc( (len + 1) * sizeof(WCHAR) ))) return E_OUTOFMEMORY;
if (!(path->text = heap_alloc( (len + 1) * sizeof(WCHAR) )))
{
clear_path( path );
return E_OUTOFMEMORY;
}
strcpyW( path->text, pszPath );
path->len = len;
path->len_text = len;
return S_OK;
}
@ -129,13 +228,13 @@ static HRESULT WINAPI path_GetText(
FIXME("flags 0x%x not supported\n", lFlags);
return WBEM_E_INVALID_PARAMETER;
}
if (*puBufferLength < path->len + 1)
if (*puBufferLength < path->len_text + 1)
{
*puBufferLength = path->len + 1;
*puBufferLength = path->len_text + 1;
return S_OK;
}
if (pszText) strcpyW( pszText, path->text );
*puBufferLength = path->len + 1;
*puBufferLength = path->len_text + 1;
return S_OK;
}
@ -389,6 +488,7 @@ HRESULT WbemPath_create( IUnknown *pUnkOuter, LPVOID *ppObj )
path->IWbemPath_iface.lpVtbl = &path_vtbl;
path->refs = 1;
init_path( path );
*ppObj = &path->IWbemPath_iface;