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ircd::rfc1459: Add util to build string of characters by attribute.

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This commit is contained in:
Jason Volk 2016-09-04 06:52:36 -07:00
parent 9e027b2212
commit f446081021
2 changed files with 26 additions and 0 deletions
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5
include/ircd/rfc1459.h
View file

@ -65,11 +65,16 @@ namespace character
// Transforms
const uint8_t &tolower(const uint8_t &c);
const uint8_t &toupper(const uint8_t &c);
// Get all characters for an attribute mask
size_t gather(const attr &attr, uint8_t *const &buf, const size_t &max);
std::string gather(const attr &attr);
}
using character::is;
using character::toupper;
using character::tolower;
using character::gather;
struct less
{

21
ircd/rfc1459.cc
View file

@ -23,6 +23,27 @@
using namespace ircd;
std::string
rfc1459::character::gather(const attr &attr)
{
uint8_t buf[256];
const size_t len(gather(attr, buf, sizeof(buf)));
return { reinterpret_cast<const char *>(buf), len };
}
size_t
rfc1459::character::gather(const attr &attr,
uint8_t *const &buf,
const size_t &max)
{
size_t ret(0);
for(ssize_t i(attrs.size() - 1); i >= 0 && ret < max; --i)
if(is(i, attr))
buf[ret++] = i;
return ret;
}
decltype(rfc1459::character::tolower_tab)
rfc1459::character::tolower_tab
{