pstring_t<F> pstring_t<F>::replace(const pstring_t &search, const pstring_t &replace) const
{
// FIXME: use this pstringbuffer ret = "";
pstring_t ret = "";
const int slen = search.blen();
const int tlen = blen();
if (slen == 0 || tlen < slen )
return *this;
int i = 0;
while (i < tlen - slen + 1)
{
if (memcmp(cstr()+i,search.cstr(),slen) == 0)
{
ret += replace;
i += slen;
}
else
{
/* avoid adding a code, cat a string ... */
mem_t buf[2] = { *(cstr() + i), 0 };
ret = ret.cat(buf);
i++;
}
}
ret = ret.cat(cstr() + i);
return ret;
}
bool pstring_t<F>::endsWith(const pstring_t &arg) const
{
if (arg.blen() > blen())
return false;
else
return std::equal(arg.c_str(), arg.c_str() + arg.blen(), c_str()+this->blen()-arg.blen());
}
void pstring_t<F>::pcat(const pstring_t &s)
{
int slen = s.blen();
pstr_t *n = salloc(m_ptr->len() + slen);
if (m_ptr->len() > 0)
std::memcpy(n->str(), m_ptr->str(), m_ptr->len());
if (slen > 0)
std::memcpy(n->str() + m_ptr->len(), s.cstr(), slen);
*(n->str() + n->len()) = 0;
sfree(m_ptr);
m_ptr = n;
}
void pstring_t<F>::pcat(const pstring_t &s)
{
std::size_t slen = s.blen();
pstr_t *n = salloc(m_ptr->len() + slen);
if (m_ptr->len() > 0)
n->copy_from(m_ptr->str(), m_ptr->len());
if (slen > 0)
std::copy(s.c_str(), s.c_str() + slen, n->str() + m_ptr->len());
*(n->str() + n->len()) = 0;
sfree(m_ptr);
m_ptr = n;
}
typename pstring_t<F>::iterator pstring_t<F>::find(const pstring_t search, iterator start) const
{
for (; start != end(); ++start)
{
iterator itc(start);
auto cmp = search.begin();
while (itc != end() && cmp != search.end() && *itc == *cmp)
{
++itc;
++cmp;
}
if (cmp == search.end())
return start;
}
return end();
}
const pstring_t<F> pstring_t<F>::rpad(const pstring_t &ws, const size_type cnt) const
{
// FIXME: pstringbuffer ret(*this);
pstring_t ret(*this);
size_type wsl = ws.len();
for (auto i = ret.len(); i < cnt; i+=wsl)
ret += ws;
return ret;
}
int pstring_t<F>::pcmp(const pstring_t &right) const
{
std::size_t l = std::min(blen(), right.blen());
if (l == 0)
{
if (blen() == 0 && right.blen() == 0)
return 0;
else if (right.blen() == 0)
return 1;
else
return -1;
}
auto si = this->begin();
auto ri = right.begin();
while (si != this->end() && *si == *ri)
{
ri++;
si++;
}
int ret = (si == this->end() ? 0 : *si - *ri);
if (ret == 0)
{
if (this->blen() > right.blen())
ret = 1;
else if (this->blen() < right.blen())
ret = -1;
}
return ret;
}
int pstring_t<F>::pcmp(const pstring_t &right) const
{
long l = std::min(blen(), right.blen());
if (l == 0)
{
if (blen() == 0 && right.blen() == 0)
return 0;
else if (right.blen() == 0)
return 1;
else
return -1;
}
int ret = memcmp(m_ptr->str(), right.cstr(), l);
if (ret == 0)
ret = this->blen() - right.blen();
if (ret < 0)
return -1;
else if (ret > 0)
return 1;
else
return 0;
}
pstring_t<F> pstring_t<F>::replace(const pstring_t &search, const pstring_t &replace) const
{
pstring_t ret("");
const size_type slen = search.len();
auto last_s = begin();
auto s = find(search, last_s);
while (s != end())
{
ret += substr(last_s, s);
ret += replace;
last_s = s + slen;
s = find(search, last_s);
}
ret += substr(last_s, end());
return ret;
}
int pstring_t<F>::find_first_not_of(const pstring_t &no) const
{
char *t = m_ptr->str();
unsigned nolen = no.len();
unsigned tlen = len();
for (unsigned i=0; i < tlen; i++)
{
char *n = no.m_ptr->str();
bool f = true;
for (unsigned j=0; j < nolen; j++)
{
if (F::code(t) == F::code(n))
f = false;
n += F::codelen(t);
}
if (f)
return i;
t += F::codelen(t);
}
return -1;
}
