static REBCNT find_string(REBSER *series, REBCNT index, REBCNT end, REBVAL *target, REBCNT len, REBCNT flags, REBINT skip)
{
REBCNT start = index;
if (flags & (AM_FIND_REVERSE | AM_FIND_LAST)) {
skip = -1;
start = 0;
if (flags & AM_FIND_LAST) index = end - len;
else index--;
}
if (ANY_BINSTR(target)) {
// Do the optimal search or the general search?
if (BYTE_SIZE(series) && VAL_BYTE_SIZE(target) && !(flags & ~(AM_FIND_CASE|AM_FIND_MATCH)))
return Find_Byte_Str(series, start, VAL_BIN_DATA(target), len, !GET_FLAG(flags, ARG_FIND_CASE-1), GET_FLAG(flags, ARG_FIND_MATCH-1));
else
return Find_Str_Str(series, start, index, end, skip, VAL_SERIES(target), VAL_INDEX(target), len, flags & (AM_FIND_MATCH|AM_FIND_CASE));
}
else if (IS_BINARY(target)) {
return Find_Byte_Str(series, start, VAL_BIN_DATA(target), len, 0, GET_FLAG(flags, ARG_FIND_MATCH-1));
}
else if (IS_CHAR(target)) {
return Find_Str_Char(series, start, index, end, skip, VAL_CHAR(target), flags);
}
else if (IS_INTEGER(target)) {
return Find_Str_Char(series, start, index, end, skip, (REBUNI)VAL_INT32(target), flags);
}
else if (IS_BITSET(target)) {
return Find_Str_Bitset(series, start, index, end, skip, VAL_SERIES(target), flags);
}
return NOT_FOUND;
}
static REBCNT find_string(
REBSER *series,
REBCNT index,
REBCNT end,
REBVAL *target,
REBCNT target_len,
REBCNT flags,
REBINT skip
) {
assert(end >= index);
if (target_len > end - index) // series not long enough to have target
return NOT_FOUND;
REBCNT start = index;
if (flags & (AM_FIND_REVERSE | AM_FIND_LAST)) {
skip = -1;
start = 0;
if (flags & AM_FIND_LAST) index = end - target_len;
else index--;
}
if (ANY_BINSTR(target)) {
// Do the optimal search or the general search?
if (
BYTE_SIZE(series)
&& VAL_BYTE_SIZE(target)
&& !(flags & ~(AM_FIND_CASE|AM_FIND_MATCH))
) {
return Find_Byte_Str(
series,
start,
VAL_BIN_AT(target),
target_len,
NOT(GET_FLAG(flags, ARG_FIND_CASE - 1)),
GET_FLAG(flags, ARG_FIND_MATCH - 1)
);
}
else {
return Find_Str_Str(
series,
start,
index,
end,
skip,
VAL_SERIES(target),
VAL_INDEX(target),
target_len,
flags & (AM_FIND_MATCH|AM_FIND_CASE)
);
}
}
else if (IS_BINARY(target)) {
const REBOOL uncase = FALSE;
return Find_Byte_Str(
series,
start,
VAL_BIN_AT(target),
target_len,
uncase, // "don't treat case insensitively"
GET_FLAG(flags, ARG_FIND_MATCH - 1)
);
}
else if (IS_CHAR(target)) {
return Find_Str_Char(
VAL_CHAR(target),
series,
start,
index,
end,
skip,
flags
);
}
else if (IS_INTEGER(target)) {
return Find_Str_Char(
cast(REBUNI, VAL_INT32(target)),
series,
start,
index,
end,
skip,
flags
);
}
else if (IS_BITSET(target)) {
return Find_Str_Bitset(
series,
start,
index,
end,
skip,
VAL_SERIES(target),
flags
);
}
return NOT_FOUND;
}