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urlmon: Use filters mechanism in FindMimeFromData.

This commit is contained in:
Jacek Caban 2006-05-30 20:05:31 +02:00 committed by Alexandre Julliard
parent bdbc482651
commit c73c3362c6
1 changed files with 33 additions and 10 deletions
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43
dlls/urlmon/urlmon_main.c
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@ -397,6 +397,23 @@ void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
*
* Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
*/
static BOOL text_plain_filter(LPVOID buf, DWORD size)
{
UCHAR *ptr;
for(ptr = buf; ptr < (UCHAR*)buf+size-1; ptr++) {
if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t')
return FALSE;
}
return TRUE;
}
static BOOL application_octet_stream_filter(LPVOID buf, DWORD size)
{
return TRUE;
}
HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
LPWSTR* ppwzMimeOut, DWORD dwReserved)
@ -427,23 +444,29 @@ HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
}
if(pBuffer) {
UCHAR *ptr = pBuffer;
DWORD len;
LPCWSTR ret;
LPCWSTR ret = NULL;
int i = 0;
static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
static const struct {
LPCWSTR mime;
BOOL (*filter)(LPVOID,DWORD);
} mime_filters[] = {
{wszTextPlain, text_plain_filter},
{wszAppOctetStream, application_octet_stream_filter}
};
if(!cbSize)
return E_FAIL;
ret = wszTextPlain;
for(ptr = pBuffer; ptr < (UCHAR*)pBuffer+cbSize-1; ptr++) {
if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t') {
ret = wszAppOctetStream;
break;
}
while(!ret) {
if(mime_filters[i].filter(pBuffer, cbSize))
ret = mime_filters[i].mime;
i++;
}
len = strlenW(ret)+1;