2 * Copyright 2005 Jacek Caban
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "urlmon_main.h"
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
35 const IEnumFORMATETCVtbl *lpEnumFORMATETCVtbl;
44 static IEnumFORMATETC *EnumFORMATETC_Create(UINT cfmtetc, FORMATETC *rgfmtetc, UINT it);
46 #define ENUMF_THIS(iface) ICOM_THIS_MULTI(EnumFORMATETC, lpEnumFORMATETCVtbl, iface)
48 static HRESULT WINAPI EnumFORMATETC_QueryInterface(IEnumFORMATETC *iface, REFIID riid, void **ppv)
50 TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
54 if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IEnumFORMATETC, riid)) {
59 WARN("not supported interface %s\n", debugstr_guid(riid));
63 static ULONG WINAPI EnumFORMATETC_AddRef(IEnumFORMATETC *iface)
66 LONG ref = InterlockedIncrement(&This->ref);
67 TRACE("(%p) ref=%ld\n", This, ref);
71 static ULONG WINAPI EnumFORMATETC_Release(IEnumFORMATETC *iface)
74 LONG ref = InterlockedDecrement(&This->ref);
76 TRACE("(%p) ref=%ld\n", This, ref);
79 HeapFree(GetProcessHeap(), 0, This->fetc);
80 HeapFree(GetProcessHeap(), 0, This);
82 URLMON_UnlockModule();
88 static HRESULT WINAPI EnumFORMATETC_Next(IEnumFORMATETC *iface, ULONG celt,
89 FORMATETC *rgelt, ULONG *pceltFetched)
94 TRACE("(%p)->(%ld %p %p)\n", This, celt, rgelt, pceltFetched);
99 if(This->it >= This->fetc_cnt || !celt) {
102 return celt ? S_FALSE : S_OK;
105 cnt = This->fetc_cnt-This->it > celt ? celt : This->fetc_cnt-This->it;
107 memcpy(rgelt, This->fetc+This->it, cnt*sizeof(FORMATETC));
113 return cnt == celt ? S_OK : S_FALSE;
116 static HRESULT WINAPI EnumFORMATETC_Skip(IEnumFORMATETC *iface, ULONG celt)
120 TRACE("(%p)->(%ld)\n", This, celt);
123 return This->it > This->fetc_cnt ? S_FALSE : S_OK;
126 static HRESULT WINAPI EnumFORMATETC_Reset(IEnumFORMATETC *iface)
130 TRACE("(%p)\n", This);
136 static HRESULT WINAPI EnumFORMATETC_Clone(IEnumFORMATETC *iface, IEnumFORMATETC **ppenum)
140 TRACE("(%p)->(%p)\n", This, ppenum);
145 *ppenum = EnumFORMATETC_Create(This->fetc_cnt, This->fetc, This->it);
149 static const IEnumFORMATETCVtbl EnumFORMATETCVtbl = {
150 EnumFORMATETC_QueryInterface,
151 EnumFORMATETC_AddRef,
152 EnumFORMATETC_Release,
159 static IEnumFORMATETC *EnumFORMATETC_Create(UINT cfmtetc, FORMATETC *rgfmtetc, UINT it)
161 EnumFORMATETC *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(EnumFORMATETC));
165 ret->lpEnumFORMATETCVtbl = &EnumFORMATETCVtbl;
168 ret->fetc_cnt = cfmtetc;
170 ret->fetc = HeapAlloc(GetProcessHeap(), 0, cfmtetc*sizeof(FORMATETC));
171 memcpy(ret->fetc, rgfmtetc, cfmtetc*sizeof(FORMATETC));
173 return (IEnumFORMATETC*)ret;
176 /**********************************************************
177 * CreateFormatEnumerator (urlmon.@)
179 HRESULT WINAPI CreateFormatEnumerator(UINT cfmtetc, FORMATETC *rgfmtetc,
180 IEnumFORMATETC** ppenumfmtetc)
182 TRACE("(%d %p %p)\n", cfmtetc, rgfmtetc, ppenumfmtetc);
189 *ppenumfmtetc = EnumFORMATETC_Create(cfmtetc, rgfmtetc, 0);