static foreign_t
pl_order_table_mapping(term_t handle, term_t from, term_t to, control_t ctrl)
{ OrdTable t;
int f;
if ( !get_order_table(handle, &t) )
return FALSE;
if ( PL_get_integer(from, &f) && f >= 0 && f <= 255 )
return unify_mapped_code(to, ORD(t, f));
if ( PL_is_variable(from) )
{ switch(PL_foreign_control(ctrl))
{ case PL_FIRST_CALL:
f = 0;
break;
case PL_REDO:
f = (int)PL_foreign_context(ctrl);
break;
case PL_PRUNED:
return TRUE;
}
while( f <= 255 && !unify_mapped_code(to, ORD(t, f)) )
f++;
if ( f <= 255 )
{ if ( !PL_unify_integer(from, f) )
return FALSE;
PL_retry(f+1);
}
return FALSE;
}
return FALSE;
}
static void
copy_table(OrdTable to, OrdTable from)
{ int i;
to->magic = ORD_MAGIC;
for(i=0; i<256; i++)
ORD(to, i) = ORD(from, i);
}
static void
iso_latin_1_case_table(OrdTable ot)
{ int i;
iso_latin_1_table(ot);
for(i=0; i<=255; i++)
{ int o = ORD(ot, i);
if ( o >= 'A' && o <= 'Z' )
ORD(ot, i) = o + ('a' - 'A');
}
}
static int
compare_strings_(const char *s1, const char **S2, size_t n, OrdTable ot)
{ const char *e1 = s1 + n;
const char *s2 = *S2;
for(;;)
{ int o1, o2;
if ( s1 == e1 )
{ *S2 = s2;
return 0; /* equal */
}
o1 = ORD(ot, *s1);
o2 = ORD(ot, *s2);
if ( o1 == o2 )
{ if ( o1 == ORD_END )
{ *S2 = s2;
return 0; /* equal */
}
if ( o1 == ORD_BREAK ) /* a break, loop on both */
{ while(ORD(ot, *s1) == ORD_BREAK)
s1++;
while(ORD(ot, *s2) == ORD_BREAK)
s2++;
continue;
}
s1++;
s2++;
continue;
}
/* ignore stuff */
if ( o1 == ORD_IGNORE )
{ s1++;
continue;
}
if ( o2 == ORD_IGNORE )
{ s2++;
continue;
}
return o1 < o2 ? -1 : 1;
}
}
static int
parse_set(OrdTable ot, atom_t name, term_t set)
{ term_t c = PL_new_term_ref();
int type;
if ( name == ATOM_break )
type = ORD_BREAK;
else if ( name == ATOM_ignore )
type = ORD_IGNORE;
else if ( name == ATOM_tag )
type = ORD_TAG;
else
return FALSE;
while(PL_get_list(set, c, set))
{ int i;
if ( !get_char(c, &i) )
return FALSE;
ORD(ot, i) = type;
}
return PL_get_nil(set);
}
static void ilt (float x, float y, int ok)
{
TEST (ORD (x, y) && UNLT (x, y)); /* Not optimized */
TEST ((x <= y) && (x != y));
TEST ((x <= y) && (y != x));
TEST ((x != y) && (x <= y)); /* Not optimized */
TEST ((y != x) && (x <= y)); /* Not optimized */
}
int igt (float x, float y, int ok)
{
TEST (ORD (x, y) && UNGT (x, y)); /* Not optimized */
TEST ((x >= y) && (x != y));
TEST ((x >= y) && (y != x));
TEST ((x != y) && (x >= y)); /* Not optimized */
TEST ((y != x) && (x >= y)); /* Not optimized */
}
int ige (float x, float y, int ok)
{
TEST (ORD (x, y) && UNGE (x, y)); /* Not optimized */
TEST ((x > y) || (x == y));
TEST ((y < x) || (x == y));
TEST ((x == y) || (x > y)); /* Not optimized */
TEST ((y == x) || (x > y)); /* Not optimized */
}
static void
case_insensitive_table(OrdTable ot)
{ int i;
ot->magic = ORD_MAGIC;
for(i='A'; i<='Z'; i++)
ORD(ot, i) = i + ('a' - 'A');
}
static void
exact_table(OrdTable ot)
{ int i;
ot->magic = ORD_MAGIC;
for(i=0; i<256; i++)
ORD(ot, i) = i;
}
int iltgt (float x, float y, int ok)
{
TEST (!UNEQ (x, y)); /* Not optimizable. */
TEST (LTGT (x, y)); /* Same, __builtin_islessgreater does not trap. */
TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y)));
}
int ieq (float x, float y, int ok)
{
TEST (ORD (x, y) && UNEQ (x, y));
}
static void ieq (float x, float y, int ok)
{
TEST (ORD (x, y) && UNEQ (x, y));
}
static void
vfptreef(struct shf *shf, int indent, const char *fmt, va_list va)
{
int c;
while ((c = ord(*fmt++))) {
if (c == '%') {
switch ((c = ord(*fmt++))) {
case ORD('c'):
/* character (octet, probably) */
shf_putchar(va_arg(va, int), shf);
break;
case ORD('s'):
/* string */
shf_puts(va_arg(va, char *), shf);
break;
case ORD('S'):
/* word */
wdvarput(shf, va_arg(va, char *), 0, WDS_TPUTS);
break;
case ORD('d'):
/* signed decimal */
shf_fprintf(shf, Tf_d, va_arg(va, int));
break;
case ORD('u'):
/* unsigned decimal */
shf_fprintf(shf, "%u", va_arg(va, unsigned int));
break;
case ORD('T'):
/* format tree */
ptree(va_arg(va, struct op *), indent, shf);
goto dont_trash_prevent_semicolon;
case ORD(';'):
/* newline or ; */
case ORD('N'):
/* newline or space */
if (shf->flags & SHF_STRING) {
if ((unsigned int)c == ORD(';') &&
!prevent_semicolon)
shf_putc(';', shf);
shf_putc(' ', shf);
} else {
int i;
shf_putc('\n', shf);
i = indent;
while (i >= 8) {
shf_putc('\t', shf);
i -= 8;
}
while (i--)
shf_putc(' ', shf);
}
break;
case ORD('R'):
/* I/O redirection */
pioact(shf, va_arg(va, struct ioword *));
break;
default:
shf_putc(c, shf);
break;
}
} else
shf_putc(c, shf);
prevent_semicolon = false;
dont_trash_prevent_semicolon:
;
}
static void
iso_latin_1_table(OrdTable ot)
{ int i;
exact_table(ot);
ORD(ot, 192) = 'A';
ORD(ot, 193) = 'A';
ORD(ot, 194) = 'A';
ORD(ot, 195) = 'A';
ORD(ot, 196) = 'A';
ORD(ot, 197) = 'A';
ORD(ot, 199) = 'C';
ORD(ot, 200) = 'E';
ORD(ot, 201) = 'E';
ORD(ot, 202) = 'E';
ORD(ot, 203) = 'E';
ORD(ot, 204) = 'I';
ORD(ot, 205) = 'I';
ORD(ot, 206) = 'I';
ORD(ot, 207) = 'I';
ORD(ot, 208) = 'D';
ORD(ot, 209) = 'N';
ORD(ot, 210) = 'O';
ORD(ot, 211) = 'O';
ORD(ot, 212) = 'O';
ORD(ot, 213) = 'O';
ORD(ot, 214) = 'O';
ORD(ot, 216) = 'O';
ORD(ot, 217) = 'U';
ORD(ot, 218) = 'U';
ORD(ot, 219) = 'U';
ORD(ot, 220) = 'U';
ORD(ot, 221) = 'Y';
ORD(ot, 223) = 'S'; /* german SS */
for(i=224; i<=253; i++)
{ if ( i == 230 || /* ae */
i == 247 ) /* x and / */
continue;
ORD(ot, i) = ORD(ot, i-32) + 'a' - 'A';
}
}
/* module advertising code */
static int
module_open(Evas_Module *em)
{
if (!em) return 0;
/* get whatever engine module we inherit from */
if (!_evas_module_engine_inherit(&pfunc, "software_generic")) return 0;
_evas_log_dom_module = eina_log_domain_register("Software_DDraw", EVAS_DEFAULT_LOG_COLOR);
if(_evas_log_dom_module < 0)
{
EINA_LOG_ERR("Can not create a module log domain.");
return 0;
}
/* store it for later use */
func = pfunc;
/* now to override methods */
#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
ORD(info);
ORD(info_free);
ORD(setup);
ORD(canvas_alpha_get);
ORD(output_free);
ORD(output_resize);
ORD(output_tile_size_set);
ORD(output_redraws_rect_add);
ORD(output_redraws_rect_del);
ORD(output_redraws_clear);
ORD(output_redraws_next_update_get);
ORD(output_redraws_next_update_push);
ORD(output_flush);
ORD(output_idle_flush);
/* now advertise out own api */
em->functions = (void *)(&func);
return 1;
}
static foreign_t
pl_new_order_table(term_t name, term_t options)
{ OrdTable t = malloc(sizeof(ordtable));
term_t tail = PL_copy_term_ref(options);
term_t head = PL_new_term_ref();
exact_table(t);
if ( !PL_get_atom(name, &t->name) )
{ free(t);
return error(ERR_INSTANTIATION, "new_order_table/2", 1, name);
}
while(PL_get_list(tail, head, tail))
{ atom_t name;
int arity;
if ( PL_get_name_arity(head, &name, &arity) )
{ if ( name == ATOM_case_insensitive )
{ case_insensitive_table(t);
} else if ( name == ATOM_iso_latin_1 )
{ iso_latin_1_table(t);
} else if ( name == ATOM_iso_latin_1_case_insensitive )
{ iso_latin_1_case_table(t);
} else if ( name == ATOM_copy && arity == 1 )
{ term_t a = PL_new_term_ref();
OrdTable from;
_PL_get_arg(1, head, a);
if ( get_order_table(a, &from) )
{ copy_table(t, from);
} else
{ free(t);
return FALSE;
}
} else if ( arity == 1 )
{ fid_t fid = PL_open_foreign_frame();
term_t a = PL_new_term_ref();
_PL_get_arg(1, head, a);
if ( !parse_set(t, name, a) )
goto err1;
PL_close_foreign_frame(fid);
} else if ( name == ATOM_eq && arity == 2 )
{ fid_t fid = PL_open_foreign_frame();
term_t c = PL_new_term_ref();
int from, to;
if ( !PL_get_arg(1, head, c) || !get_char(c, &from) ||
!PL_get_arg(2, head, c) || !get_char(c, &to) )
{ free(t);
return FALSE;
}
ORD(t, from) = to;
PL_close_foreign_frame(fid);
} else
goto err1;
} else
{ err1:
free(t);
return error(ERR_INSTANTIATION, "new_order_table/2", 2, options);
}
}
if ( !PL_get_nil(tail) )
goto err1;
register_table(t);
PL_succeed;
}
/* variant of fputs for ptreef and wdstrip */
static const char *
wdvarput(struct shf *shf, const char *wp, int quotelevel, int opmode)
{
int c;
const char *cs;
/*-
* problems:
* `...` -> $(...)
* 'foo' -> "foo"
* x${foo:-"hi"} -> x${foo:-hi} unless WDS_TPUTS
* x${foo:-'hi'} -> x${foo:-hi}
* could change encoding to:
* OQUOTE ["'] ... CQUOTE ["']
* COMSUB [(`] ...\0 (handle $ ` \ and maybe " in `...` case)
*/
while (/* CONSTCOND */ 1)
switch (*wp++) {
case EOS:
return (--wp);
case ADELIM:
if (ord(*wp) == ORD(/*{*/ '}')) {
++wp;
goto wdvarput_csubst;
}
/* FALLTHROUGH */
case CHAR:
c = ord(*wp++);
shf_putc(c, shf);
break;
case QCHAR:
c = ord(*wp++);
if (opmode & WDS_TPUTS)
switch (c) {
case ORD('\n'):
if (quotelevel == 0) {
c = ORD('\'');
shf_putc(c, shf);
shf_putc(ORD('\n'), shf);
}
break;
default:
if (quotelevel == 0)
/* FALLTHROUGH */
case ORD('"'):
case ORD('`'):
case ORD('$'):
case ORD('\\'):
shf_putc(ORD('\\'), shf);
break;
}
shf_putc(c, shf);
break;
case COMASUB:
case COMSUB:
shf_puts("$(", shf);
cs = ")";
if (ord(*wp) == ORD('(' /*)*/))
shf_putc(' ', shf);
pSUB:
while ((c = *wp++) != 0)
shf_putc(c, shf);
shf_puts(cs, shf);
break;
case FUNASUB:
case FUNSUB:
c = ORD(' ');
if (0)
/* FALLTHROUGH */
case VALSUB:
c = ORD('|');
shf_putc('$', shf);
shf_putc('{', shf);
shf_putc(c, shf);
cs = ";}";
goto pSUB;
case EXPRSUB:
shf_puts("$((", shf);
cs = "))";
goto pSUB;
case OQUOTE:
if (opmode & WDS_TPUTS) {
quotelevel++;
shf_putc('"', shf);
}
break;
case CQUOTE:
if (opmode & WDS_TPUTS) {
if (quotelevel)
quotelevel--;
shf_putc('"', shf);
}
break;
case OSUBST:
shf_putc('$', shf);
if (ord(*wp++) == ORD('{'))
shf_putc('{', shf);
while ((c = *wp++) != 0)
shf_putc(c, shf);
wp = wdvarput(shf, wp, 0, opmode);
break;
case CSUBST:
if (ord(*wp++) == ORD('}')) {
wdvarput_csubst:
shf_putc('}', shf);
}
return (wp);
case OPAT:
shf_putchar(*wp++, shf);
shf_putc('(', shf);
break;
case SPAT:
c = ORD('|');
if (0)
/* FALLTHROUGH */
case CPAT:
c = ORD(/*(*/ ')');
shf_putc(c, shf);
break;
}
}
int ile (float x, float y, int ok)
{
TEST (ORD (x, y) && UNLE (x, y)); /* Not optimized */
TEST ((x < y) || (x == y));
TEST ((y > x) || (x == y));
TEST ((x == y) || (x < y)); /* Not optimized */
TEST ((y == x) || (x < y)); /* Not optimized */
}
