// We have a serious problem!! I have this content type and the windows registry only gives me
// helper apps based on extension. Right now, we really don't have a good place to go for
// trying to figure out the extension for a particular mime type....One short term hack is to look
// this information in 4.x (it's stored in the windows regsitry).
static nsresult GetExtensionFrom4xRegistryInfo(const nsACString& aMimeType,
nsString& aFileExtension)
{
nsCOMPtr<nsIWindowsRegKey> regKey =
do_CreateInstance("@mozilla.org/windows-registry-key;1");
if (!regKey)
return NS_ERROR_NOT_AVAILABLE;
nsresult rv = regKey->
Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
NS_LITERAL_STRING("Software\\Netscape\\Netscape Navigator\\Suffixes"),
nsIWindowsRegKey::ACCESS_QUERY_VALUE);
if (NS_FAILED(rv))
return NS_ERROR_NOT_AVAILABLE;
rv = regKey->ReadStringValue(NS_ConvertASCIItoUTF16(aMimeType),
aFileExtension);
if (NS_FAILED(rv))
return NS_OK;
aFileExtension.Insert(char16_t('.'), 0);
// this may be a comma separated list of extensions...just take the
// first one for now...
int32_t pos = aFileExtension.FindChar(char16_t(','));
if (pos > 0) {
// we have a comma separated list of types...
// truncate everything after the first comma (including the comma)
aFileExtension.Truncate(pos);
}
return NS_OK;
}
// EscapeStr takes the passed in string and
// escapes it IN PLACE.
void
mozTXTToHTMLConv::EscapeStr(nsString& aInString, bool inAttribute)
{
// the replace substring routines
// don't seem to work if you have a character
// in the in string that is also in the replacement
// string! =(
//aInString.ReplaceSubstring("&", "&");
//aInString.ReplaceSubstring("<", "<");
//aInString.ReplaceSubstring(">", ">");
for (uint32_t i = 0; i < aInString.Length();)
{
switch (aInString[i])
{
case '<':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("<"), i);
i += 4; // skip past the integers we just added
break;
case '>':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING(">"), i);
i += 4; // skip past the integers we just added
break;
case '&':
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("&"), i);
i += 5; // skip past the integers we just added
break;
case '"':
if (inAttribute)
{
aInString.Cut(i, 1);
aInString.Insert(NS_LITERAL_STRING("""), i);
i += 6;
break;
}
// else fall through
MOZ_FALLTHROUGH;
default:
i++;
}
}
}
// XXX Code copied from nsHTMLContentSink. It should be shared.
void
nsRDFParserUtils::StripAndConvert(nsString& aResult)
{
if ( !aResult.IsEmpty() ) {
// Strip quotes if present
PRUnichar first = aResult.First();
if ((first == '"') || (first == '\'')) {
if (aResult.Last() == first) {
aResult.Cut(0, 1);
PRInt32 pos = aResult.Length() - 1;
if (pos >= 0) {
aResult.Cut(pos, 1);
}
} else {
// Mismatched quotes - leave them in
}
}
}
// Reduce any entities
// XXX Note: as coded today, this will only convert well formed
// entities. This may not be compatible enough.
// XXX there is a table in navigator that translates some numeric entities
// should we be doing that? If so then it needs to live in two places (bad)
// so we should add a translate numeric entity method from the parser...
char cbuf[100];
PRUint32 i = 0;
while (i < aResult.Length()) {
// If we have the start of an entity (and it's not at the end of
// our string) then translate the entity into it's unicode value.
if ((aResult.CharAt(i++) == '&') && (i < aResult.Length())) {
PRInt32 start = i - 1;
PRUnichar e = aResult.CharAt(i);
if (e == '#') {
// Convert a numeric character reference
i++;
char* cp = cbuf;
char* limit = cp + sizeof(cbuf) - 1;
PRBool ok = PR_FALSE;
PRUint32 slen = aResult.Length();
while ((i < slen) && (cp < limit)) {
PRUnichar f = aResult.CharAt(i);
if (f == ';') {
i++;
ok = PR_TRUE;
break;
}
if ((f >= '0') && (f <= '9')) {
*cp++ = char(f);
i++;
continue;
}
break;
}
if (!ok || (cp == cbuf)) {
continue;
}
*cp = '\0';
if (cp - cbuf > 5) {
continue;
}
PRInt32 ch = PRInt32( ::atoi(cbuf) );
if (ch > 65535) {
continue;
}
// Remove entity from string and replace it with the integer
// value.
aResult.Cut(start, i - start);
aResult.Insert(PRUnichar(ch), start);
i = start + 1;
}
else if (((e >= 'A') && (e <= 'Z')) ||
((e >= 'a') && (e <= 'z'))) {
// Convert a named entity
i++;
char* cp = cbuf;
char* limit = cp + sizeof(cbuf) - 1;
*cp++ = char(e);
PRBool ok = PR_FALSE;
PRUint32 slen = aResult.Length();
while ((i < slen) && (cp < limit)) {
PRUnichar f = aResult.CharAt(i);
if (f == ';') {
i++;
ok = PR_TRUE;
break;
}
if (((f >= '0') && (f <= '9')) ||
((f >= 'A') && (f <= 'Z')) ||
((f >= 'a') && (f <= 'z'))) {
*cp++ = char(f);
i++;
continue;
}
break;
}
if (!ok || (cp == cbuf)) {
continue;
}
*cp = '\0';
PRInt32 ch;
// XXX Um, here's where we should be converting a
// named entity. I removed this to avoid a link-time
// dependency on core raptor.
ch = EntityToUnicode(cbuf);
if (ch < 0) {
continue;
}
// Remove entity from string and replace it with the integer
// value.
aResult.Cut(start, i - start);
aResult.Insert(PRUnichar(ch), start);
i = start + 1;
}
else if (e == '{') {
// Convert a script entity
// XXX write me!
NS_NOTYETIMPLEMENTED("convert a script entity");
}
}
}
}
