nsPlatformCharset::nsPlatformCharset()
{
NS_TIMELINE_START_TIMER("nsPlatformCharset()");
UINT acp = ::WinQueryCp(HMQ_CURRENT);
PRInt32 acpint = (PRInt32)(acp & 0x00FFFF);
nsAutoString acpKey(NS_LITERAL_STRING("os2."));
acpKey.AppendInt(acpint, 10);
nsresult res = MapToCharset(acpKey, mCharset);
NS_TIMELINE_STOP_TIMER("nsPlatformCharset()");
NS_TIMELINE_MARK_TIMER("nsPlatformCharset()");
}
//--------------------------------------------------------------
NS_IMETHODIMP nsCharsetAlias2::GetPreferred(const nsACString& aAlias,
nsACString& oResult)
{
if (aAlias.IsEmpty()) return NS_ERROR_NULL_POINTER;
NS_TIMELINE_START_TIMER("nsCharsetAlias2:GetPreferred");
nsCAutoString key(aAlias);
ToLowerCase(key);
nsresult rv = nsUConvPropertySearch::SearchPropertyValue(kAliases,
NS_ARRAY_LENGTH(kAliases), key, oResult);
NS_TIMELINE_STOP_TIMER("nsCharsetAlias2:GetPreferred");
NS_TIMELINE_MARK_TIMER("nsCharsetAlias2:GetPreferred");
return rv;
}
//--------------------------------------------------------------
NS_IMETHODIMP nsCharsetAlias2::GetPreferred(const nsACString& aAlias,
nsACString& oResult)
{
if (aAlias.IsEmpty()) return NS_ERROR_NULL_POINTER;
NS_TIMELINE_START_TIMER("nsCharsetAlias2:GetPreferred");
// Delay loading charsetalias.properties by hardcoding the most
// frequent aliases. Note that it's possible to recur in to this
// function *while loading* charsetalias.properties (see bug 190951),
// so we might have an |mDelegate| already that isn't valid yet, but
// the load is guaranteed to be "UTF-8" so things will be OK.
for (PRUint32 index = 0; index < NS_ARRAY_LENGTH(kAliases); index++) {
if (aAlias.LowerCaseEqualsASCII(kAliases[index][0])) {
oResult.Assign(nsDependentCString(kAliases[index][1],
NS_PTR_TO_UINT32(kAliases[index][2])));
NS_TIMELINE_STOP_TIMER("nsCharsetAlias2:GetPreferred");
return NS_OK;
}
}
oResult.Truncate();
if(!mDelegate) {
//load charsetalias.properties string bundle with all remaining aliases
// we may need to protect the following section with a lock so we won't call the
// 'new nsGREResProperties' from two different threads
mDelegate = new nsGREResProperties( NS_LITERAL_CSTRING("charsetalias.properties") );
NS_ASSERTION(mDelegate, "cannot create nsGREResProperties");
if(nsnull == mDelegate)
return NS_ERROR_OUT_OF_MEMORY;
}
NS_TIMELINE_STOP_TIMER("nsCharsetAlias2:GetPreferred");
NS_TIMELINE_MARK_TIMER("nsCharsetAlias2:GetPreferred");
nsCAutoString key(aAlias);
ToLowerCase(key);
// hack for now, have to fix nsGREResProperties, but we can't until
// string bundles use UTF8 keys
nsAutoString result;
nsresult rv = mDelegate->Get(NS_ConvertASCIItoUTF16(key), result);
LossyAppendUTF16toASCII(result, oResult);
return rv;
}
