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msxml3: Store encoding-codepage mapping in a table.

This commit is contained in:
Nikolay Sivov 2012-05-13 12:58:50 +04:00 committed by Alexandre Julliard
parent d5913b5c45
commit fb8fa44bb9
1 changed files with 42 additions and 13 deletions
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55
dlls/msxml3/mxwriter.c
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@ -39,18 +39,33 @@
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
static const WCHAR utf16W[] = {'U','T','F','-','1','6',0};
static const WCHAR emptyW[] = {0};
static const WCHAR spaceW[] = {' '};
static const WCHAR quotW[] = {'\"'};
/* should be ordered as encoding names are sorted */
typedef enum
{
XmlEncoding_UTF16 = 0,
XmlEncoding_UTF8,
XmlEncoding_UTF16,
XmlEncoding_Unknown
} xml_encoding;
struct xml_encoding_data
{
const WCHAR *encoding;
xml_encoding enc;
UINT cp;
};
static const WCHAR utf16W[] = {'U','T','F','-','1','6',0};
static const WCHAR utf8W[] = {'U','T','F','-','8',0};
static const struct xml_encoding_data xml_encoding_map[] = {
{ utf16W, XmlEncoding_UTF16, ~0 }, /* there's no codepage for this case */
{ utf8W, XmlEncoding_UTF8, CP_UTF8 }
};
typedef enum
{
OutputBuffer_Native = 0x001,
@ -169,9 +184,25 @@ static HRESULT mxattributes_grow(mxattributes *This)
static xml_encoding parse_encoding_name(const WCHAR *encoding)
{
static const WCHAR utf8W[] = {'U','T','F','-','8',0};
if (!strcmpiW(encoding, utf8W)) return XmlEncoding_UTF8;
if (!strcmpiW(encoding, utf16W)) return XmlEncoding_UTF16;
int min, max, n, c;
min = 0;
max = sizeof(xml_encoding_map)/sizeof(struct xml_encoding_data) - 1;
while (min <= max)
{
n = (min+max)/2;
c = strcmpiW(xml_encoding_map[n].encoding, encoding);
if (!c)
return xml_encoding_map[n].enc;
if (c > 0)
max = n-1;
else
min = n+1;
}
return XmlEncoding_Unknown;
}
@ -195,19 +226,17 @@ static void free_encoded_buffer(encoded_buffer *buffer)
static HRESULT get_code_page(xml_encoding encoding, UINT *cp)
{
switch (encoding)
const struct xml_encoding_data *data;
if (encoding == XmlEncoding_Unknown)
{
case XmlEncoding_UTF8:
*cp = CP_UTF8;
break;
case XmlEncoding_UTF16:
*cp = ~0;
break;
default:
FIXME("unsupported encoding %d\n", encoding);
return E_NOTIMPL;
}
data = &xml_encoding_map[encoding];
*cp = data->cp;
return S_OK;
}