CString AsString(const Card& card)
{
if (card.number() == 0 || card.suit() == 0)
return CString("b"); // face down card
CString s;
s.Format("%c%c", ValueToChar(card.number()), SuitToChar(card.suit()));
return s;
}
nsresult nsBasicUTF7Encoder::ShiftEncoding(PRInt32 aEncoding,
char * aDest,
PRInt32 * aDestLength)
{
if (aEncoding == mEncoding) {
*aDestLength = 0;
return NS_OK;
}
nsresult res = NS_OK;
char * dest = aDest;
char * destEnd = aDest + *aDestLength;
if (mEncStep != 0) {
if (dest >= destEnd) return NS_OK_UENC_MOREOUTPUT;
*(dest++)=ValueToChar(mEncBits);
mEncStep = 0;
mEncBits = 0;
}
if (dest >= destEnd) {
res = NS_OK_UENC_MOREOUTPUT;
} else {
switch (aEncoding) {
case 0:
*(dest++) = '-';
mEncStep = 0;
mEncBits = 0;
break;
case 1:
*(dest++) = mEscChar;
break;
}
mEncoding = aEncoding;
}
*aDestLength = dest - aDest;
return res;
}
nsresult nsBasicUTF7Encoder::EncodeBase64(
const PRUnichar * aSrc,
PRInt32 * aSrcLength,
char * aDest,
PRInt32 * aDestLength)
{
nsresult res = NS_OK;
const PRUnichar * src = aSrc;
const PRUnichar * srcEnd = aSrc + *aSrcLength;
char * dest = aDest;
char * destEnd = aDest + *aDestLength;
PRUnichar ch;
PRUint32 value;
while (src < srcEnd) {
ch = *src;
// stop when we reach printable US-ASCII chars
if (DirectEncodable(ch)) break;
switch (mEncStep) {
case 0:
if (destEnd - dest < 2) {
res = NS_OK_UENC_MOREOUTPUT;
break;
}
value=ch>>10;
*(dest++)=ValueToChar(value);
value=(ch>>4)&0x3f;
*(dest++)=ValueToChar(value);
mEncBits=(ch&0x0f)<<2;
break;
case 1:
if (destEnd - dest < 3) {
res = NS_OK_UENC_MOREOUTPUT;
break;
}
value=mEncBits+(ch>>14);
*(dest++)=ValueToChar(value);
value=(ch>>8)&0x3f;
*(dest++)=ValueToChar(value);
value=(ch>>2)&0x3f;
*(dest++)=ValueToChar(value);
mEncBits=(ch&0x03)<<4;
break;
case 2:
if (destEnd - dest < 3) {
res = NS_OK_UENC_MOREOUTPUT;
break;
}
value=mEncBits+(ch>>12);
*(dest++)=ValueToChar(value);
value=(ch>>6)&0x3f;
*(dest++)=ValueToChar(value);
value=ch&0x3f;
*(dest++)=ValueToChar(value);
mEncBits=0;
break;
}
if (res != NS_OK) break;
src++;
(++mEncStep)%=3;
}
*aSrcLength = src - aSrc;
*aDestLength = dest - aDest;
return res;
}