/* off points to character following first character of
attribute name */
private TOK scanAtts(int nameStart, byte[] buf, int off, int end,
ContentToken token)
{
int NameEnd = -1;
while (off != end)
{
switch (byteType(buf, off))
{
case BT_NMSTRT:
case BT_NAME:
case BT_MINUS:
off += minBPC;
break;
case BT_LEAD2:
if (end - off < 2)
throw new PartialCharException(off);
if (!isNameChar2(buf, off))
throw new InvalidTokenException(off);
off += 2;
break;
case BT_LEAD3:
if (end - off < 3)
throw new PartialCharException(off);
if (!isNameChar3(buf, off))
throw new InvalidTokenException(off);
off += 3;
break;
case BT_LEAD4:
if (end - off < 4)
throw new PartialCharException(off);
if (!isNameChar4(buf, off))
throw new InvalidTokenException(off);
off += 4;
break;
case BT_S:
case BT_CR:
case BT_LF:
NameEnd = off;
for (;;)
{
off += minBPC;
if (off == end)
throw new PartialTokenException();
switch (byteType(buf, off))
{
case BT_EQUALS:
goto loop;
case BT_S:
case BT_LF:
case BT_CR:
break;
default:
throw new InvalidTokenException(off);
}
}
loop: ;
/* fall through */
goto case BT_EQUALS;
case BT_EQUALS:
{
if (NameEnd < 0)
NameEnd = off;
int open;
for (;;)
{
off += minBPC;
if (off == end)
throw new PartialTokenException();
open = byteType(buf, off);
if (open == BT_QUOT || open == BT_APOS)
break;
switch (open)
{
case BT_S:
case BT_LF:
case BT_CR:
break;
default:
throw new InvalidTokenException(off);
}
}
off += minBPC;
int valueStart = off;
bool normalized = true;
int t;
/* in attribute value */
for (;;)
{
if (off == end)
throw new PartialTokenException();
t = byteType(buf, off);
if (t == open)
break;
switch (t)
{
case BT_NONXML:
case BT_MALFORM:
throw new InvalidTokenException(off);
case BT_LEAD2:
if (end - off < 2)
throw new PartialCharException(off);
check2(buf, off);
off += 2;
break;
case BT_LEAD3:
if (end - off < 3)
throw new PartialCharException(off);
check3(buf, off);
off += 3;
break;
case BT_LEAD4:
if (end - off < 4)
throw new PartialCharException(off);
check4(buf, off);
off += 4;
break;
case BT_AMP:
{
normalized = false;
int saveNameEnd = token.NameEnd;
scanRef(buf, off + minBPC, end, token);
token.NameEnd = saveNameEnd;
off = token.TokenEnd;
break;
}
case BT_S:
if (normalized
&& (off == valueStart
|| byteToAscii(buf, off) != ' '
|| (off + minBPC != end
&& (byteToAscii(buf, off + minBPC) == ' '
|| byteType(buf, off + minBPC) == open))))
normalized = false;
off += minBPC;
break;
case BT_LT:
throw new InvalidTokenException(off);
case BT_LF:
case BT_CR:
normalized = false;
/* fall through */
goto default;
default:
off += minBPC;
break;
}
}
token.appendAttribute(nameStart, NameEnd, valueStart,
off,
normalized);
off += minBPC;
if (off == end)
throw new PartialTokenException();
t = byteType(buf, off);
switch (t)
{
case BT_S:
case BT_CR:
case BT_LF:
off += minBPC;
if (off == end)
throw new PartialTokenException();
t = byteType(buf, off);
break;
case BT_GT:
case BT_SOL:
break;
default:
throw new InvalidTokenException(off);
}
/* off points to closing quote */
for (;;)
{
switch (t)
{
case BT_NMSTRT:
nameStart = off;
off += minBPC;
goto skipToName;
case BT_LEAD2:
if (end - off < 2)
throw new PartialCharException(off);
if (byteType2(buf, off) != BT_NMSTRT)
throw new InvalidTokenException(off);
nameStart = off;
off += 2;
goto skipToName;
case BT_LEAD3:
if (end - off < 3)
throw new PartialCharException(off);
if (byteType3(buf, off) != BT_NMSTRT)
throw new InvalidTokenException(off);
nameStart = off;
off += 3;
goto skipToName;
case BT_LEAD4:
if (end - off < 4)
throw new PartialCharException(off);
if (byteType4(buf, off) != BT_NMSTRT)
throw new InvalidTokenException(off);
nameStart = off;
off += 4;
goto skipToName;
case BT_S:
case BT_CR:
case BT_LF:
break;
case BT_GT:
token.checkAttributeUniqueness(buf);
token.TokenEnd = off + minBPC;
return TOK.START_TAG_WITH_ATTS;
case BT_SOL:
off += minBPC;
if (off == end)
throw new PartialTokenException();
checkCharMatches(buf, off, '>');
token.checkAttributeUniqueness(buf);
token.TokenEnd = off + minBPC;
return TOK.EMPTY_ELEMENT_WITH_ATTS;
default:
throw new InvalidTokenException(off);
}
off += minBPC;
if (off == end)
throw new PartialTokenException();
t = byteType(buf, off);
}
skipToName:
NameEnd = -1;
break;
}
default:
throw new InvalidTokenException(off);
}
}
throw new PartialTokenException();
}
