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added more character conversion functions

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hyunghwan.chung
2017-01-12 10:06:43 +00:00
parent d130ec02ec
commit ec3285da57
10 changed files with 96 additions and 51 deletions
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72
moo/lib/utl.c
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@ -625,23 +625,87 @@ int moo_convutoutf8cstr (const moo_uch_t* ucs, moo_oow_t* ucslen, moo_bch_t* bcs
int moo_convbtouchars (moo_t* moo, const moo_bch_t* bcs, moo_oow_t* bcslen, moo_uch_t* ucs, moo_oow_t* ucslen)
{
/* length bound */
return bcsn_to_ucsn_with_cmgr (bcs, bcslen, ucs, ucslen, moo->cmgr, 0);
int n;
n = bcsn_to_ucsn_with_cmgr (bcs, bcslen, ucs, ucslen, moo->cmgr, 0);
/* -1: illegal character, -2, buffer too small, -3: incomplete sequence */
moo->errnum = (n == -2)? MOO_EBUFFULL: MOO_EECERR;
return n;
}
int moo_convutobchars (moo_t* moo, const moo_uch_t* ucs, moo_oow_t* ucslen, moo_bch_t* bcs, moo_oow_t* bcslen)
{
/* length bound */
return ucsn_to_bcsn_with_cmgr (ucs, ucslen, bcs, bcslen, moo->cmgr);
int n;
n = ucsn_to_bcsn_with_cmgr (ucs, ucslen, bcs, bcslen, moo->cmgr);
moo->errnum = (n == -2)? MOO_EBUFFULL: MOO_EECERR;
return n;
}
int moo_convbtoucstr (moo_t* moo, const moo_bch_t* bcs, moo_oow_t* bcslen, moo_uch_t* ucs, moo_oow_t* ucslen)
{
/* null-terminated. */
return bcs_to_ucs_with_cmgr (bcs, bcslen, ucs, ucslen, moo->cmgr, 0);
int n;
n = bcs_to_ucs_with_cmgr (bcs, bcslen, ucs, ucslen, moo->cmgr, 0);
moo->errnum = (n == -2)? MOO_EBUFFULL: MOO_EECERR;
return n;
}
int moo_convutobcstr (moo_t* moo, const moo_uch_t* ucs, moo_oow_t* ucslen, moo_bch_t* bcs, moo_oow_t* bcslen)
{
/* null-terminated */
return ucs_to_bcs_with_cmgr (ucs, ucslen, bcs, bcslen, moo->cmgr);
int n;
n = ucs_to_bcs_with_cmgr (ucs, ucslen, bcs, bcslen, moo->cmgr);
moo->errnum = (n == -2)? MOO_EBUFFULL: MOO_EECERR;
return n;
}
/* ----------------------------------------------------------------------- */
moo_uch_t* moo_dupbtouchars (moo_t* moo, const moo_bch_t* bcs, moo_oow_t bcslen, moo_oow_t* ucslen)
{
moo_oow_t inlen, reqlen;
moo_uch_t* ptr;
inlen = bcslen;
if (moo_convbtouchars (moo, bcs, &inlen, MOO_NULL, &reqlen) <= -1)
{
/* note it's also an error if no full conversion is possible in this function */
return MOO_NULL;
}
ptr = moo_allocmem (moo, reqlen * MOO_SIZEOF(moo_uch_t));
if (!ptr) return MOO_NULL;
inlen = bcslen;
moo_convbtouchars (moo, bcs, &inlen, ptr, ucslen);
return ptr;
}
moo_bch_t* moo_duputobchars (moo_t* moo, const moo_uch_t* ucs, moo_oow_t ucslen, moo_oow_t* bcslen)
{
moo_oow_t inlen, reqlen;
moo_bch_t* ptr;
inlen = ucslen;
if (moo_convutobchars (moo, ucs, &inlen, MOO_NULL, &reqlen) <= -1)
{
/* note it's also an error if no full conversion is possible in this function */
return MOO_NULL;
}
ptr = moo_allocmem (moo, reqlen * MOO_SIZEOF(moo_bch_t));
if (!ptr) return MOO_NULL;
inlen = ucslen;
moo_convutobchars (moo, ucs, &inlen, ptr, bcslen);
return ptr;
}