static int
init_match ( struct ucl_compress *c, struct ucl_swd *s,
const uint8_t *dict, unsigned int dict_len,
uint32_t flags )
{
int r;
assert(!c->init);
c->init = 1;
s->c = c;
c->last_m_len = c->last_m_off = 0;
c->textsize = c->codesize = c->printcount = 0;
c->lit_bytes = c->match_bytes = c->rep_bytes = 0;
c->lazy = 0;
r = swd_init(s,dict,dict_len);
if (r != UCL_E_OK)
{
swd_exit(s);
return r;
}
s->use_best_off = (flags & 1) ? 1 : 0;
return UCL_E_OK;
}
static void find_match(UCL_COMPRESS_DATA *c, ucl_swd_t *s, DWORD this_len, DWORD skip)
{
if(skip > 0)
{
swd_accept(s, this_len - skip);
c->textsize += this_len - skip + 1;
}
else c->textsize += this_len - skip;
s->m_len = 1;
swd_findbest(s);
c->m_len = s->m_len;
c->m_off = s->m_off;
swd_getbyte(s);
if(s->b_char < 0)
{
c->look = 0;
c->m_len = 0;
swd_exit(s);
}
else c->look = s->look + 1;
c->bp = c->ip - c->look;
if(c->pCallback && c->textsize > c->printcount)
{
(*c->pCallback->callback)(c->textsize, c->codesize, 3, c->pCallback->pData);
c->printcount += 1024;
}
}
static int
init_match(UCL_COMPRESS_T * c, ucl_swd_t * s,
const ucl_byte * dict, ucl_uint dict_len, ucl_uint32 flags)
{
int r;
assert(!c->init);
c->init = 1;
s->c = c;
c->last_m_len = c->last_m_off = 0;
c->textsize = c->codesize = c->printcount = 0;
c->lit_bytes = c->match_bytes = c->rep_bytes = 0;
c->lazy = 0;
r = swd_init(s, dict, dict_len);
if (r != UCL_E_OK) {
swd_exit(s);
return r;
}
s->use_best_off = (flags & 1) ? 1 : 0;
return UCL_E_OK;
}
static __inline int init_match(UCL_COMPRESS_DATA *c, ucl_swd_t *s, LPBYTE dict, DWORD dict_len, BYTE flags)
{
s->c = c;
c->last_m_off = 0;
c->textsize = c->codesize = c->printcount = 0;
int r = swd_init(s, dict, dict_len);
if(r != UCL::E_SUCCESSED)
{
swd_exit(s);
return r;
}
return UCL::E_SUCCESSED;
}
tINT init_match (tUCL_COMPRESS_CTX* c, tUCL_SWD* s, tBYTE* dict,
tUINT dict_len, tUINT flags )
{
int r;
c->init = 1;
s->c = c;
c->last_m_len = c->last_m_off = 0;
c->textsize = c->codesize = c->printcount = 0;
c->lit_bytes = c->match_bytes = c->rep_bytes = 0;
c->lazy = 0;
r = swd_init(s,dict,dict_len);
if (r != UCL_E_OK)
{
swd_exit(s);
return r;
}
s->use_best_off = (flags & 1) ? 1 : 0;
return UCL_E_OK;
}
static int
find_match ( struct ucl_compress *c, struct ucl_swd *s,
unsigned int this_len, unsigned int skip )
{
assert(c->init);
if (skip > 0)
{
assert(this_len >= skip);
swd_accept(s, this_len - skip);
c->textsize += this_len - skip + 1;
}
else
{
assert(this_len <= 1);
c->textsize += this_len - skip;
}
s->m_len = THRESHOLD;
#ifdef SWD_BEST_OFF
if (s->use_best_off)
memset(s->best_pos,0,sizeof(s->best_pos));
#endif
swd_findbest(s);
c->m_len = s->m_len;
c->m_off = s->m_off;
swd_getbyte(s);
if (s->b_char < 0)
{
c->look = 0;
c->m_len = 0;
swd_exit(s);
}
else
{
c->look = s->look + 1;
}
c->bp = c->ip - c->look;
#if 0
/* brute force match search */
if (c->m_len > THRESHOLD && c->m_len + 1 <= c->look)
{
const uint8_t *ip = c->bp;
const uint8_t *m = c->bp - c->m_off;
const uint8_t *in = c->in;
if (ip - in > N)
in = ip - N;
for (;;)
{
while (*in != *ip)
in++;
if (in == ip)
break;
if (in != m)
if (memcmp(in,ip,c->m_len+1) == 0)
printf("%p %p %p %5d\n",in,ip,m,c->m_len);
in++;
}
}
#endif
return UCL_E_OK;
}
static int
find_match(UCL_COMPRESS_T * c, ucl_swd_t * s,
ucl_uint this_len, ucl_uint skip)
{
assert(c->init);
if (skip > 0) {
assert(this_len >= skip);
swd_accept(s, this_len - skip);
c->textsize += this_len - skip + 1;
} else {
assert(this_len <= 1);
c->textsize += this_len - skip;
}
s->m_len = THRESHOLD;
#ifdef SWD_BEST_OFF
if (s->use_best_off)
memset(s->best_pos, 0, sizeof(s->best_pos));
#endif
swd_findbest(s);
c->m_len = s->m_len;
#if defined(__UCL_CHECKER)
/* s->m_off may be uninitialized if we didn't find a match,
* but then its value will never be used.
*/
c->m_off = (s->m_len == THRESHOLD) ? 0 : s->m_off;
#else
c->m_off = s->m_off;
#endif
swd_getbyte(s);
if (s->b_char < 0) {
c->look = 0;
c->m_len = 0;
swd_exit(s);
} else {
c->look = s->look + 1;
}
c->bp = c->ip - c->look;
#if 0
/* brute force match search */
if (c->m_len > THRESHOLD && c->m_len + 1 <= c->look) {
const ucl_byte *ip = c->bp;
const ucl_byte *m = c->bp - c->m_off;
const ucl_byte *in = c->in;
if (ip - in > N)
in = ip - N;
for (;;) {
while (*in != *ip)
in++;
if (in == ip)
break;
if (in != m)
if (memcmp(in, ip, c->m_len + 1) == 0)
printf("%p %p %p %5d\n", in, ip, m,
c->m_len);
in++;
}
}
#endif
if (c->cb && c->textsize > c->printcount) {
(*c->cb->callback) (c->textsize, c->codesize, 3, c->cb->user);
c->printcount += 1024;
}
return UCL_E_OK;
}
