Sweden-Number/dlls/inetcomm/mimeintl.c

597 lines
17 KiB
C

/*
* MIME OLE International interface
*
* Copyright 2008 Huw Davies for CodeWeavers
*
* 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
#define NONAMELESSUNION
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winnls.h"
#include "objbase.h"
#include "ole2.h"
#include "mimeole.h"
#include "mlang.h"
#include "wine/list.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "inetcomm_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(inetcomm);
typedef struct
{
struct list entry;
INETCSETINFO cs_info;
} charset_entry;
typedef struct
{
const IMimeInternationalVtbl *lpVtbl;
LONG refs;
CRITICAL_SECTION cs;
struct list charsets;
LONG next_charset_handle;
HCHARSET default_charset;
} internat;
static inline internat *impl_from_IMimeInternational( IMimeInternational *iface )
{
return (internat *)((char*)iface - FIELD_OFFSET(internat, lpVtbl));
}
static inline HRESULT get_mlang(IMultiLanguage **ml)
{
return CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER,
&IID_IMultiLanguage, (void **)ml);
}
static HRESULT WINAPI MimeInternat_QueryInterface( IMimeInternational *iface, REFIID riid, LPVOID *ppobj )
{
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IMimeInternational))
{
IMimeInternational_AddRef( iface );
*ppobj = iface;
return S_OK;
}
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI MimeInternat_AddRef( IMimeInternational *iface )
{
internat *This = impl_from_IMimeInternational( iface );
return InterlockedIncrement(&This->refs);
}
static ULONG WINAPI MimeInternat_Release( IMimeInternational *iface )
{
internat *This = impl_from_IMimeInternational( iface );
ULONG refs;
refs = InterlockedDecrement(&This->refs);
if (!refs)
{
charset_entry *charset, *cursor2;
LIST_FOR_EACH_ENTRY_SAFE(charset, cursor2, &This->charsets, charset_entry, entry)
{
list_remove(&charset->entry);
HeapFree(GetProcessHeap(), 0, charset);
}
HeapFree(GetProcessHeap(), 0, This);
}
return refs;
}
static HRESULT WINAPI MimeInternat_SetDefaultCharset(IMimeInternational *iface, HCHARSET hCharset)
{
internat *This = impl_from_IMimeInternational( iface );
TRACE("(%p)->(%p)\n", iface, hCharset);
if(hCharset == NULL) return E_INVALIDARG;
/* FIXME check hCharset is valid */
InterlockedExchangePointer(&This->default_charset, hCharset);
return S_OK;
}
static HRESULT WINAPI MimeInternat_GetDefaultCharset(IMimeInternational *iface, LPHCHARSET phCharset)
{
internat *This = impl_from_IMimeInternational( iface );
HRESULT hr = S_OK;
TRACE("(%p)->(%p)\n", iface, phCharset);
if(This->default_charset == NULL)
{
HCHARSET hcs;
hr = IMimeInternational_GetCodePageCharset(iface, GetACP(), CHARSET_BODY, &hcs);
if(SUCCEEDED(hr))
InterlockedCompareExchangePointer(&This->default_charset, hcs, NULL);
}
*phCharset = This->default_charset;
return hr;
}
static HRESULT mlang_getcodepageinfo(UINT cp, MIMECPINFO *mlang_cp_info)
{
HRESULT hr;
IMultiLanguage *ml;
hr = get_mlang(&ml);
if(SUCCEEDED(hr))
{
hr = IMultiLanguage_GetCodePageInfo(ml, cp, mlang_cp_info);
IMultiLanguage_Release(ml);
}
return hr;
}
static HRESULT WINAPI MimeInternat_GetCodePageCharset(IMimeInternational *iface, CODEPAGEID cpiCodePage,
CHARSETTYPE ctCsetType,
LPHCHARSET phCharset)
{
HRESULT hr;
MIMECPINFO mlang_cp_info;
TRACE("(%p)->(%d, %d, %p)\n", iface, cpiCodePage, ctCsetType, phCharset);
*phCharset = NULL;
hr = mlang_getcodepageinfo(cpiCodePage, &mlang_cp_info);
if(SUCCEEDED(hr))
{
const WCHAR *charset_nameW = NULL;
char *charset_name;
DWORD len;
switch(ctCsetType)
{
case CHARSET_BODY:
charset_nameW = mlang_cp_info.wszBodyCharset;
break;
case CHARSET_HEADER:
charset_nameW = mlang_cp_info.wszHeaderCharset;
break;
case CHARSET_WEB:
charset_nameW = mlang_cp_info.wszWebCharset;
break;
default:
return MIME_E_INVALID_CHARSET_TYPE;
}
len = WideCharToMultiByte(CP_ACP, 0, charset_nameW, -1, NULL, 0, NULL, NULL);
charset_name = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_ACP, 0, charset_nameW, -1, charset_name, len, NULL, NULL);
hr = IMimeInternational_FindCharset(iface, charset_name, phCharset);
HeapFree(GetProcessHeap(), 0, charset_name);
}
return hr;
}
static HRESULT mlang_getcsetinfo(const char *charset, MIMECSETINFO *mlang_info)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, charset, -1, NULL, 0);
BSTR bstr = SysAllocStringLen(NULL, len - 1);
HRESULT hr;
IMultiLanguage *ml;
MultiByteToWideChar(CP_ACP, 0, charset, -1, bstr, len);
hr = get_mlang(&ml);
if(SUCCEEDED(hr))
{
hr = IMultiLanguage_GetCharsetInfo(ml, bstr, mlang_info);
IMultiLanguage_Release(ml);
}
SysFreeString(bstr);
if(FAILED(hr)) hr = MIME_E_NOT_FOUND;
return hr;
}
static HCHARSET add_charset(struct list *list, MIMECSETINFO *mlang_info, HCHARSET handle)
{
charset_entry *charset = HeapAlloc(GetProcessHeap(), 0, sizeof(*charset));
WideCharToMultiByte(CP_ACP, 0, mlang_info->wszCharset, -1,
charset->cs_info.szName, sizeof(charset->cs_info.szName), NULL, NULL);
charset->cs_info.cpiWindows = mlang_info->uiCodePage;
charset->cs_info.cpiInternet = mlang_info->uiInternetEncoding;
charset->cs_info.hCharset = handle;
charset->cs_info.dwReserved1 = 0;
list_add_head(list, &charset->entry);
return charset->cs_info.hCharset;
}
static HRESULT WINAPI MimeInternat_FindCharset(IMimeInternational *iface, LPCSTR pszCharset,
LPHCHARSET phCharset)
{
internat *This = impl_from_IMimeInternational( iface );
HRESULT hr = MIME_E_NOT_FOUND;
charset_entry *charset;
TRACE("(%p)->(%s, %p)\n", iface, debugstr_a(pszCharset), phCharset);
*phCharset = NULL;
EnterCriticalSection(&This->cs);
LIST_FOR_EACH_ENTRY(charset, &This->charsets, charset_entry, entry)
{
if(!lstrcmpiA(charset->cs_info.szName, pszCharset))
{
*phCharset = charset->cs_info.hCharset;
hr = S_OK;
break;
}
}
if(hr == MIME_E_NOT_FOUND)
{
MIMECSETINFO mlang_info;
LeaveCriticalSection(&This->cs);
hr = mlang_getcsetinfo(pszCharset, &mlang_info);
EnterCriticalSection(&This->cs);
if(SUCCEEDED(hr))
*phCharset = add_charset(&This->charsets, &mlang_info,
UlongToHandle(InterlockedIncrement(&This->next_charset_handle)));
}
LeaveCriticalSection(&This->cs);
return hr;
}
static HRESULT WINAPI MimeInternat_GetCharsetInfo(IMimeInternational *iface, HCHARSET hCharset,
LPINETCSETINFO pCsetInfo)
{
internat *This = impl_from_IMimeInternational( iface );
HRESULT hr = MIME_E_INVALID_HANDLE;
charset_entry *charset;
TRACE("(%p)->(%p, %p)\n", iface, hCharset, pCsetInfo);
EnterCriticalSection(&This->cs);
LIST_FOR_EACH_ENTRY(charset, &This->charsets, charset_entry, entry)
{
if(charset->cs_info.hCharset == hCharset)
{
*pCsetInfo = charset->cs_info;
hr = S_OK;
break;
}
}
LeaveCriticalSection(&This->cs);
return hr;
}
static HRESULT WINAPI MimeInternat_GetCodePageInfo(IMimeInternational *iface, CODEPAGEID cpiCodePage,
LPCODEPAGEINFO pCodePageInfo)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_CanConvertCodePages(IMimeInternational *iface, CODEPAGEID cpiSource,
CODEPAGEID cpiDest)
{
HRESULT hr;
IMultiLanguage *ml;
TRACE("(%p)->(%d, %d)\n", iface, cpiSource, cpiDest);
/* Could call mlang.IsConvertINetStringAvailable() to avoid the COM overhead if need be. */
hr = get_mlang(&ml);
if(SUCCEEDED(hr))
{
hr = IMultiLanguage_IsConvertible(ml, cpiSource, cpiDest);
IMultiLanguage_Release(ml);
}
return hr;
}
static HRESULT WINAPI MimeInternat_DecodeHeader(IMimeInternational *iface, HCHARSET hCharset,
LPCSTR pszData,
LPPROPVARIANT pDecoded,
LPRFC1522INFO pRfc1522Info)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_EncodeHeader(IMimeInternational *iface, HCHARSET hCharset,
LPPROPVARIANT pData,
LPSTR *ppszEncoded,
LPRFC1522INFO pRfc1522Info)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_ConvertBuffer(IMimeInternational *iface, CODEPAGEID cpiSource,
CODEPAGEID cpiDest, LPBLOB pIn, LPBLOB pOut,
ULONG *pcbRead)
{
HRESULT hr;
IMultiLanguage *ml;
TRACE("(%p)->(%d, %d, %p, %p, %p)\n", iface, cpiSource, cpiDest, pIn, pOut, pcbRead);
*pcbRead = 0;
pOut->cbSize = 0;
/* Could call mlang.ConvertINetString() to avoid the COM overhead if need be. */
hr = get_mlang(&ml);
if(SUCCEEDED(hr))
{
DWORD mode = 0;
UINT in_size = pIn->cbSize, out_size;
hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, pIn->pBlobData, &in_size,
NULL, &out_size);
if(hr == S_OK) /* S_FALSE means the conversion could not be performed */
{
pOut->pBlobData = CoTaskMemAlloc(out_size);
if(!pOut->pBlobData)
hr = E_OUTOFMEMORY;
else
{
mode = 0;
in_size = pIn->cbSize;
hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, pIn->pBlobData, &in_size,
pOut->pBlobData, &out_size);
if(hr == S_OK)
{
*pcbRead = in_size;
pOut->cbSize = out_size;
}
else
CoTaskMemFree(pOut->pBlobData);
}
}
IMultiLanguage_Release(ml);
}
return hr;
}
static HRESULT WINAPI MimeInternat_ConvertString(IMimeInternational *iface, CODEPAGEID cpiSource,
CODEPAGEID cpiDest, LPPROPVARIANT pIn,
LPPROPVARIANT pOut)
{
HRESULT hr;
int src_len;
IMultiLanguage *ml;
TRACE("(%p)->(%d, %d, %p %p)\n", iface, cpiSource, cpiDest, pIn, pOut);
switch(pIn->vt)
{
case VT_LPSTR:
if(cpiSource == CP_UNICODE) cpiSource = GetACP();
src_len = strlen(pIn->u.pszVal);
break;
case VT_LPWSTR:
cpiSource = CP_UNICODE;
src_len = strlenW(pIn->u.pwszVal) * sizeof(WCHAR);
break;
default:
return E_INVALIDARG;
}
hr = get_mlang(&ml);
if(SUCCEEDED(hr))
{
DWORD mode = 0;
UINT in_size = src_len, out_size;
hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, (BYTE*)pIn->u.pszVal, &in_size,
NULL, &out_size);
if(hr == S_OK) /* S_FALSE means the conversion could not be performed */
{
out_size += (cpiDest == CP_UNICODE) ? sizeof(WCHAR) : sizeof(char);
pOut->u.pszVal = CoTaskMemAlloc(out_size);
if(!pOut->u.pszVal)
hr = E_OUTOFMEMORY;
else
{
mode = 0;
in_size = src_len;
hr = IMultiLanguage_ConvertString(ml, &mode, cpiSource, cpiDest, (BYTE*)pIn->u.pszVal, &in_size,
(BYTE*)pOut->u.pszVal, &out_size);
if(hr == S_OK)
{
if(cpiDest == CP_UNICODE)
{
pOut->u.pwszVal[out_size / sizeof(WCHAR)] = 0;
pOut->vt = VT_LPWSTR;
}
else
{
pOut->u.pszVal[out_size] = '\0';
pOut->vt = VT_LPSTR;
}
}
else
CoTaskMemFree(pOut->u.pszVal);
}
}
IMultiLanguage_Release(ml);
}
return hr;
}
static HRESULT WINAPI MimeInternat_MLANG_ConvertInetReset(IMimeInternational *iface)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_MLANG_ConvertInetString(IMimeInternational *iface, CODEPAGEID cpiSource,
CODEPAGEID cpiDest,
LPCSTR pSource,
int *pnSizeOfSource,
LPSTR pDestination,
int *pnDstSize)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_Rfc1522Decode(IMimeInternational *iface, LPCSTR pszValue,
LPSTR pszCharset,
ULONG cchmax,
LPSTR *ppszDecoded)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MimeInternat_Rfc1522Encode(IMimeInternational *iface, LPCSTR pszValue,
HCHARSET hCharset,
LPSTR *ppszEncoded)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static IMimeInternationalVtbl mime_internat_vtbl =
{
MimeInternat_QueryInterface,
MimeInternat_AddRef,
MimeInternat_Release,
MimeInternat_SetDefaultCharset,
MimeInternat_GetDefaultCharset,
MimeInternat_GetCodePageCharset,
MimeInternat_FindCharset,
MimeInternat_GetCharsetInfo,
MimeInternat_GetCodePageInfo,
MimeInternat_CanConvertCodePages,
MimeInternat_DecodeHeader,
MimeInternat_EncodeHeader,
MimeInternat_ConvertBuffer,
MimeInternat_ConvertString,
MimeInternat_MLANG_ConvertInetReset,
MimeInternat_MLANG_ConvertInetString,
MimeInternat_Rfc1522Decode,
MimeInternat_Rfc1522Encode
};
static internat *global_internat;
HRESULT MimeInternational_Construct(IMimeInternational **internat)
{
global_internat = HeapAlloc(GetProcessHeap(), 0, sizeof(*global_internat));
global_internat->lpVtbl = &mime_internat_vtbl;
global_internat->refs = 0;
InitializeCriticalSection(&global_internat->cs);
list_init(&global_internat->charsets);
global_internat->next_charset_handle = 0;
global_internat->default_charset = NULL;
*internat = (IMimeInternational*)&global_internat->lpVtbl;
IMimeInternational_AddRef(*internat);
return S_OK;
}
HRESULT WINAPI MimeOleGetInternat(IMimeInternational **internat)
{
TRACE("(%p)\n", internat);
*internat = (IMimeInternational *)&global_internat->lpVtbl;
IMimeInternational_AddRef(*internat);
return S_OK;
}
HRESULT WINAPI MimeOleFindCharset(LPCSTR name, LPHCHARSET charset)
{
IMimeInternational *internat;
HRESULT hr;
TRACE("(%s, %p)\n", debugstr_a(name), charset);
hr = MimeOleGetInternat(&internat);
if(SUCCEEDED(hr))
{
hr = IMimeInternational_FindCharset(internat, name, charset);
IMimeInternational_Release(internat);
}
return hr;
}
HRESULT WINAPI MimeOleGetCharsetInfo(HCHARSET hCharset, LPINETCSETINFO pCsetInfo)
{
IMimeInternational *internat;
HRESULT hr;
TRACE("(%p, %p)\n", hCharset, pCsetInfo);
hr = MimeOleGetInternat(&internat);
if(SUCCEEDED(hr))
{
hr = IMimeInternational_GetCharsetInfo(internat, hCharset, pCsetInfo);
IMimeInternational_Release(internat);
}
return hr;
}
HRESULT WINAPI MimeOleGetDefaultCharset(LPHCHARSET charset)
{
IMimeInternational *internat;
HRESULT hr;
TRACE("(%p)\n", charset);
hr = MimeOleGetInternat(&internat);
if(SUCCEEDED(hr))
{
hr = IMimeInternational_GetDefaultCharset(internat, charset);
IMimeInternational_Release(internat);
}
return hr;
}