Implemented DevEnum dll.

dlls/devenum/parsedisplayname.c

diff --git a/dlls/devenum/parsedisplayname.c b/dlls/devenum/parsedisplayname.c
new file mode 100644
index 0000000..b5b1c13
--- /dev/null
+++ b/dlls/devenum/parsedisplayname.c
@@ -0,0 +1,177 @@
+/*
+ *	IParseDisplayName implementation for DEVENUM.dll
+ *
+ * Copyright (C) 2002 Robert Shearman
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * NOTES ON THIS FILE:
+ * - Implements IParseDisplayName interface which creates a moniker
+ *   from a string in a special format
+ */
+#include "devenum_private.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(devenum);
+
+static HRESULT WINAPI DEVENUM_IParseDisplayName_QueryInterface(
+    LPPARSEDISPLAYNAME iface,
+    REFIID riid,
+    LPVOID *ppvObj)
+{
+    ICOM_THIS(ParseDisplayNameImpl, iface);
+    TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
+
+    if (This == NULL || ppvObj == NULL) return E_POINTER;
+
+    if (IsEqualGUID(riid, &IID_IUnknown) ||
+        IsEqualGUID(riid, &IID_IParseDisplayName))
+    {
+	*ppvObj = (LPVOID)iface;
+	IParseDisplayName_AddRef(iface);
+	return S_OK;
+    }
+
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+/**********************************************************************
+ * DEVENUM_IParseDisplayName_AddRef (also IUnknown)
+ */
+static ULONG WINAPI DEVENUM_IParseDisplayName_AddRef(LPPARSEDISPLAYNAME iface)
+{
+    ICOM_THIS(ParseDisplayNameImpl, iface);
+    TRACE("\n");
+
+    if (This == NULL) return E_POINTER;
+
+    if (InterlockedIncrement(&This->ref) == 1) {
+	InterlockedIncrement(&dll_ref);
+    }
+
+    return ++This->ref;
+}
+
+/**********************************************************************
+ * DEVENUM_IParseDisplayName_Release (also IUnknown)
+ */
+static ULONG WINAPI DEVENUM_IParseDisplayName_Release(LPPARSEDISPLAYNAME iface)
+{
+    ICOM_THIS(ParseDisplayNameImpl, iface);
+    ULONG ref;
+    TRACE("\n");
+
+    if (This == NULL) return E_POINTER;
+
+    ref = --This->ref;
+    if (InterlockedDecrement(&This->ref) == 0) {
+	InterlockedDecrement(&dll_ref);
+    }
+    return ref;
+}
+
+/**********************************************************************
+ * DEVENUM_IParseDisplayName_ParseDisplayName
+ *
+ *  Creates a moniker referenced to by the display string argument
+ *
+ * POSSIBLE BUGS:
+ *  Might not handle more complicated strings properly (ie not in
+ *  "@device:sw:{CLSID1}\{CLSID2}" format
+ */
+static HRESULT WINAPI DEVENUM_IParseDisplayName_ParseDisplayName(
+    LPPARSEDISPLAYNAME iface,
+    IBindCtx *pbc,
+    LPOLESTR pszDisplayName,
+    ULONG *pchEaten,
+    IMoniker **ppmkOut)
+{
+    LPOLESTR pszBetween = NULL;
+    LPOLESTR pszClass = NULL;
+    IEnumMoniker * pEm = NULL;
+    MediaCatMoniker * pMoniker = NULL;
+    CLSID clsidDevice;
+    HRESULT res = S_OK;
+    TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
+
+    *ppmkOut = NULL;
+    if (pchEaten)
+        *pchEaten = strlenW(pszDisplayName);
+
+    pszDisplayName = strchrW(pszDisplayName, '{');
+    pszBetween = strchrW(pszDisplayName, '}') + 2;
+
+    /* size = pszBetween - pszDisplayName - 1 (for '\\' after CLSID)
+     * + 1 (for NULL character)
+     */
+    pszClass = CoTaskMemAlloc((int)(pszBetween - pszDisplayName) * sizeof(WCHAR));
+    if (!pszClass)
+        return E_OUTOFMEMORY;
+
+    strncpyW(pszClass, pszDisplayName, (int)(pszBetween - pszDisplayName) - 1);
+    pszClass[(int)(pszBetween - pszDisplayName) - 1] = 0;
+
+    TRACE("Device CLSID: %s\n", debugstr_w(pszClass));
+
+    res = CLSIDFromString(pszClass, &clsidDevice);
+
+    if (SUCCEEDED(res))
+    {
+        res = DEVENUM_ICreateDevEnum_CreateClassEnumerator((ICreateDevEnum *)&DEVENUM_CreateDevEnum, &clsidDevice, &pEm, 0);
+    }
+
+    if (SUCCEEDED(res))
+    {
+        pMoniker = DEVENUM_IMediaCatMoniker_Construct();
+        if (pMoniker)
+        {
+            if (RegCreateKeyW(((EnumMonikerImpl *)pEm)->hkey,
+                               pszBetween,
+                               &pMoniker->hkey) == ERROR_SUCCESS)
+                *ppmkOut = (LPMONIKER)pMoniker;
+            else
+            {
+                IMoniker_Release((LPMONIKER)pMoniker);
+                res = MK_E_NOOBJECT;
+            }
+        }
+    }
+
+    if (pEm)
+        IEnumMoniker_Release(pEm);
+
+    if (pszClass)
+        CoTaskMemFree(pszClass);
+
+    TRACE("-- returning: %lx\n", res);
+    return res;
+}
+
+/**********************************************************************
+ * IParseDisplayName_Vtbl
+ */
+static ICOM_VTABLE(IParseDisplayName) IParseDisplayName_Vtbl =
+{
+    ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
+    DEVENUM_IParseDisplayName_QueryInterface,
+    DEVENUM_IParseDisplayName_AddRef,
+    DEVENUM_IParseDisplayName_Release,
+    DEVENUM_IParseDisplayName_ParseDisplayName
+};
+
+/* The one instance of this class */
+ParseDisplayNameImpl DEVENUM_ParseDisplayName = { &IParseDisplayName_Vtbl, 0 };