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implemented w/W for formatted output

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This commit is contained in:
hyunghwan.chung 2019-03-18 15:16:15 +00:00
parent 9c32a87df3
commit c52d70f2da
1 changed files with 97 additions and 2 deletions
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99
moo/lib/fmtoutv.h
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@ -89,8 +89,15 @@
} \
} while (0)
#define PUT_BYTE_IN_HEX(byte) do { \
moo_bch_t __xbuf[3]; \
moo_byte_to_bcstr (byte, __xbuf, MOO_COUNTOF(__xbuf), (16 | (ch == 'w'? MOO_BYTE_TO_BCSTR_LOWERCASE: 0)), '0'); \
PUT_OOCH(__xbuf[0], 1); \
PUT_OOCH(__xbuf[1], 1); \
} while (0)
/* TODO: redefine this */
#define BYTE_PRINTABLE(x) ((x >= 'a' && x <= 'z') || (x >= 'A' && x <= 'Z'))
#define BYTE_PRINTABLE(x) ((x >= 'a' && x <= 'z') || (x >= 'A' && x <= 'Z') || (x == ' '))
static int fmtoutv (moo_t* moo, const fmtchar_t* fmt, moo_fmtout_data_t* data, va_list ap, moo_outbfmt_t outbfmt)
{
@ -604,8 +611,10 @@ static int fmtoutv (moo_t* moo, const fmtchar_t* fmt, moo_fmtout_data_t* data, v
case 'k':
case 'K':
{
/* byte or multibyte character string in escape sequence */
const moo_uint8_t* bsp;
moo_oow_t bslen, slen, k_hex_width;
moo_oow_t k_hex_width;
/* zeropad must not take effect for 'k' and 'K'
*
@ -682,6 +691,92 @@ static int fmtoutv (moo_t* moo, const fmtchar_t* fmt, moo_fmtout_data_t* data, v
break;
}
case 'w':
case 'W':
{
/* unicode string in unicode escape sequence.
*
* hw -> \uXXXX, \UXXXXXXXX, printable-byte(only in ascii range)
* w -> \uXXXX, \UXXXXXXXX
* lw -> all in \UXXXXXXXX
*/
const moo_uch_t* usp;
moo_oow_t uwid;
if (flagc & FLAGC_ZEROPAD) padc = ' ';
usp = va_arg(ap, moo_uch_t*);
if (flagc & FLAGC_DOT)
{
/* if precision is specifed, it doesn't stop at the value of zero unlike 's' or 'S' */
for (n = 0; n < precision; n++)
{
if ((lm_flag & LF_H) && BYTE_PRINTABLE(usp[n])) uwid = 1;
else if (!(lm_flag & LF_L) && usp[n] <= 0xFFFF) uwid = 6;
else uwid = 10;
width -= uwid;
}
}
else
{
for (n = 0; usp[n]; n++)
{
if ((lm_flag & LF_H) && BYTE_PRINTABLE(usp[n])) uwid = 1;
else if (!(lm_flag & LF_L) && usp[n] <= 0xFFFF) uwid = 6;
else uwid = 10;
width -= uwid;
}
}
if (!(flagc & FLAGC_LEFTADJ) && width > 0) PUT_OOCH (padc, width);
while (n--)
{
if ((lm_flag & LF_H) && BYTE_PRINTABLE(*usp))
{
PUT_OOCH(*usp, 1);
}
else if (!(lm_flag & LF_L) && *usp <= 0xFFFF)
{
moo_bch_t xbuf[3];
moo_uint16_t u16 = *usp;
moo_uint8_t* bsp = (moo_uint8_t*)&u16;
PUT_OOCH('\\', 1);
PUT_OOCH('u', 1);
#if defined(MOO_ENDIAN_BIG)
PUT_BYTE_IN_HEX(bsp[0]);
PUT_BYTE_IN_HEX(bsp[1]);
#else
PUT_BYTE_IN_HEX(bsp[1]);
PUT_BYTE_IN_HEX(bsp[0]);
#endif
}
else
{
moo_bch_t xbuf[3];
moo_uint32_t u32 = *usp;
moo_uint8_t* bsp = (moo_uint8_t*)&u32;
PUT_OOCH('\\', 1);
PUT_OOCH('U', 1);
#if defined(MOO_ENDIAN_BIG)
PUT_BYTE_IN_HEX(bsp[0]);
PUT_BYTE_IN_HEX(bsp[1]);
PUT_BYTE_IN_HEX(bsp[2]);
PUT_BYTE_IN_HEX(bsp[3]);
#else
PUT_BYTE_IN_HEX(bsp[3]);
PUT_BYTE_IN_HEX(bsp[2]);
PUT_BYTE_IN_HEX(bsp[1]);
PUT_BYTE_IN_HEX(bsp[0]);
#endif
}
usp++;
}
if ((flagc & FLAGC_LEFTADJ) && width > 0) PUT_OOCH (padc, width);
break;
}
case 'O': /* object - ignore precision, width, adjustment */
if (print_object(moo, data->mask, va_arg(ap, moo_oop_t), outbfmt) <= -1) goto oops;
break;