unsafe int inp_peek(ref ud u)
{
if (u.inp_end == 0)
{
if (u.inp_buf != null)
{
if (u.inp_buf_index < u.inp_buf_size)
{
return(u.inp_buf[u.inp_buf_index]);
}
}
else if (u.inp_peek != UD_EOI)
{
return(u.inp_peek);
}
else
{
int c;
if ((c = u.inp_hook(ref u)) != UD_EOI)
{
u.inp_peek = c;
return(u.inp_peek);
}
}
}
u.inp_end = 1;
u.error = 1;
u.errorMessage = "byte expected, eoi received";
return(0);
}
//#endif /* __UD_STANDALONE__ */
/* =============================================================================
* ud_input_skip
* Skip n input bytes.
* ============================================================================
*/
static unsafe void ud_input_skip(ref ud u, int n)
{
if (u.inp_end > 0)
{
return;
}
if (u.inp_buf == null)
{
while (n-- > 0)
{
int c = u.inp_hook(ref u);
if (c == Decode.UD_EOI)
{
goto eoi;
}
}
return;
}
else
{
if (n > u.inp_buf_size ||
u.inp_buf_index > u.inp_buf_size - n)
{
u.inp_buf_index = u.inp_buf_size;
goto eoi;
}
u.inp_buf_index += n;
return;
}
eoi:
u.inp_end = 1;
u.error = 1;
u.errorMessage = "cannot skip, eoi received\b";
return;
}
unsafe byte inp_next(ref ud u)
{
if (u.inp_end == 0)
{
if (u.inp_buf != null)
{
if (u.inp_buf_index < u.inp_buf_size)
{
u.inp_ctr++;
return(u.inp_curr = u.inp_buf[u.inp_buf_index++]);
}
}
else
{
int c = u.inp_peek;
if ((c = u.inp_hook(ref u)) != UD_EOI)
{
u.inp_peek = UD_EOI;
u.inp_curr = (byte)c;
u.inp_sess[u.inp_ctr++] = u.inp_curr;
return(u.inp_curr);
}
}
}
u.inp_end = 1;
u.error = 1;
u.errorMessage = "byte expected, eoi received\n";
return(0);
}
//#endif /* __UD_STANDALONE__ */
/* =============================================================================
* ud_input_skip
* Skip n input bytes.
* ============================================================================
*/
static void ud_input_skip(ref ud u, int n)
{
if (u.inp_end > 0)
{
return;
}
if (u.inp_buf == null)
{
while (n-- > 0)
{
int c = u.inp_hook(ref u);
if (c == Decode.UD_EOI)
{
goto eoi;
}
}
return;
}
else
{
if (n > u.inp_buf_size ||
u.inp_buf_index > u.inp_buf_size - n)
{
u.inp_buf_index = u.inp_buf_size;
goto eoi;
}
u.inp_buf_index += n;
return;
}
eoi:
u.inp_end = 1;
u.error = 1;
u.errorMessage = "cannot skip, eoi received\b";
return;
}
unsafe int inp_peek(ref ud u)
{
if (u.inp_end == 0)
{
if (u.inp_buf != null)
{
if (u.inp_buf_index < u.inp_buf_size)
{
return u.inp_buf[u.inp_buf_index];
}
}
else if (u.inp_peek != UD_EOI)
{
return u.inp_peek;
}
else
{
int c;
if ((c = u.inp_hook(ref u)) != UD_EOI)
{
u.inp_peek = c;
return u.inp_peek;
}
}
}
u.inp_end = 1;
u.error = 1;
u.errorMessage = "byte expected, eoi received";
return 0;
}
unsafe byte inp_next(ref ud u)
{
if (u.inp_end == 0)
{
if (u.inp_buf != null)
{
if (u.inp_buf_index < u.inp_buf_size)
{
u.inp_ctr++;
return (u.inp_curr = u.inp_buf[u.inp_buf_index++]);
}
}
else
{
int c = u.inp_peek;
if ((c = u.inp_hook(ref u)) != UD_EOI)
{
u.inp_peek = UD_EOI;
u.inp_curr = (byte)c;
u.inp_sess[u.inp_ctr++] = u.inp_curr;
return u.inp_curr;
}
}
}
u.inp_end = 1;
u.error = 1;
u.errorMessage = "byte expected, eoi received\n";
return 0;
}
