mshtml: Added support for BOM in bind_mon_to_wstr.

This commit is contained in:
Jacek Caban 2012-07-27 10:51:39 +02:00 committed by Alexandre Julliard
parent 73984d4da8
commit f98c3bbd9c
2 changed files with 73 additions and 16 deletions

View file

@ -67,6 +67,7 @@ struct BSCallback {
ULONG readed;
DWORD bindf;
BOOL bindinfo_ready;
int bom;
IMoniker *mon;
IBinding *binding;

View file

@ -50,6 +50,12 @@ WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
static const WCHAR emptyW[] = {0};
static const WCHAR text_htmlW[] = {'t','e','x','t','/','h','t','m','l',0};
enum {
BOM_NONE,
BOM_UTF8,
BOM_UTF16
};
struct nsProtocolStream {
nsIInputStream nsIInputStream_iface;
@ -607,6 +613,7 @@ static void init_bscallback(BSCallback *This, const BSCallbackVtbl *vtbl, IMonik
This->vtbl = vtbl;
This->ref = 1;
This->bindf = bindf;
This->bom = BOM_NONE;
list_init(&This->entry);
@ -617,11 +624,29 @@ static void init_bscallback(BSCallback *This, const BSCallbackVtbl *vtbl, IMonik
static HRESULT read_stream(BSCallback *This, IStream *stream, void *buf, DWORD size, DWORD *ret_size)
{
DWORD read_size = 0;
DWORD read_size = 0, skip=0;
BYTE *data = buf;
HRESULT hres;
hres = IStream_Read(stream, buf, size, &read_size);
This->readed += (*ret_size = read_size);
if(!This->readed && This->bom == BOM_NONE) {
if(read_size >= 2 && data[0] == 0xff && data[1] == 0xfe) {
This->bom = BOM_UTF16;
skip = 2;
}else if(read_size >= 3 && data[0] == 0xef && data[1] == 0xbb && data[2] == 0xbf) {
This->bom = BOM_UTF8;
skip = 3;
}
if(skip) {
read_size -= skip;
if(read_size)
memmove(data, data+skip, read_size);
}
}
This->readed += read_size;
*ret_size = read_size;
return hres;
}
@ -878,8 +903,8 @@ static BufferBSC *create_bufferbsc(IMoniker *mon)
HRESULT bind_mon_to_wstr(HTMLInnerWindow *window, IMoniker *mon, WCHAR **ret)
{
BufferBSC *bsc = create_bufferbsc(mon);
int cp = CP_ACP;
WCHAR *text;
DWORD len;
HRESULT hres;
hres = start_binding(window, &bsc->bsc, NULL);
@ -890,14 +915,47 @@ HRESULT bind_mon_to_wstr(HTMLInnerWindow *window, IMoniker *mon, WCHAR **ret)
return hres;
}
len = MultiByteToWideChar(CP_ACP, 0, bsc->buf, bsc->bsc.readed, NULL, 0);
text = heap_alloc((len+1)*sizeof(WCHAR));
if(text) {
if(!bsc->bsc.readed) {
*ret = NULL;
return S_OK;
}
switch(bsc->bsc.bom) {
case BOM_UTF16:
if(bsc->bsc.readed % sizeof(WCHAR)) {
FIXME("The buffer is not a valid utf16 string\n");
hres = E_FAIL;
break;
}
text = heap_alloc(bsc->bsc.readed+sizeof(WCHAR));
if(!text) {
hres = E_OUTOFMEMORY;
break;
}
memcpy(text, bsc->buf, bsc->bsc.readed);
text[bsc->bsc.readed/sizeof(WCHAR)] = 0;
break;
case BOM_UTF8:
cp = CP_UTF8;
/* fallthrough */
default: {
DWORD len;
len = MultiByteToWideChar(cp, 0, bsc->buf, bsc->bsc.readed, NULL, 0);
text = heap_alloc((len+1)*sizeof(WCHAR));
if(!text) {
hres = E_OUTOFMEMORY;
break;
}
MultiByteToWideChar(CP_ACP, 0, bsc->buf, bsc->bsc.readed, text, len);
text[len] = 0;
}else {
hres = E_OUTOFMEMORY;
}
}
IBindStatusCallback_Release(&bsc->bsc.IBindStatusCallback_iface);
if(FAILED(hres))
return hres;
@ -1076,15 +1134,13 @@ static HRESULT read_stream_data(nsChannelBSC *This, IStream *stream)
This->nsstream->buf_size += read;
if(first_read) {
if(This->nsstream->buf_size >= 2
&& (BYTE)This->nsstream->buf[0] == 0xff
&& (BYTE)This->nsstream->buf[1] == 0xfe)
This->nschannel->charset = heap_strdupA(UTF16_STR);
if(This->nsstream->buf_size >= 3
&& (BYTE)This->nsstream->buf[0] == 0xef
&& (BYTE)This->nsstream->buf[1] == 0xbb
&& (BYTE)This->nsstream->buf[2] == 0xbf)
switch(This->bsc.bom) {
case BOM_UTF8:
This->nschannel->charset = heap_strdupA(UTF8_STR);
break;
case BOM_UTF16:
This->nschannel->charset = heap_strdupA(UTF16_STR);
}
if(!This->nschannel->content_type) {
WCHAR *mime;