2 * UCW Library -- Basic Extended Types
4 * (c) 2014 Martin Mares <mj@ucw.cz>
5 * (c) 2014 Robert Kessl <robert.kessl@economia.cz>
7 * This software may be freely distributed and used according to the terms
8 * of the GNU Lesser General Public License.
12 #include <ucw/mempool.h>
13 #include <ucw/strtonum.h>
14 #include <ucw/xtypes.h>
19 #define XTYPE_NUM_FORMAT(_type, _fmt, _typename) static const char *xt_##_typename##_format(void *src, u32 fmt UNUSED, struct mempool *pool) \
21 return mp_printf(pool, _fmt, *(_type *)src);\
24 #define XTYPE_NUM_PARSE(_typename) static const char *xt_##_typename##_parse(const char *str, void *dest, struct mempool *pool UNUSED)\
26 return str_to_##_typename(dest, str, NULL, 10 | STN_WHOLE | STN_MINUS | STN_PLUS | STN_HEX | STN_BIN | STN_OCT);\
29 #define XTYPE_NUM_STRUCT(_type, _typename) const struct xtype xt_##_typename = {\
30 .size = sizeof(_type),\
32 .parse = xt_##_typename##_parse,\
33 .format = xt_##_typename##_format,\
36 #define XTYPE_NUM_DEF(_type, _fmt, _typename) XTYPE_NUM_FORMAT(_type, _fmt, _typename) \
37 XTYPE_NUM_PARSE(_typename)\
38 XTYPE_NUM_STRUCT(_type, _typename)
40 XTYPE_NUM_DEF(int, "%d", int)
41 XTYPE_NUM_DEF(s64, "%" PRId64, s64)
42 XTYPE_NUM_DEF(intmax_t, "%jd", intmax)
43 XTYPE_NUM_DEF(uint, "%u", uint)
44 XTYPE_NUM_DEF(u64, "%" PRIu64, u64)
45 XTYPE_NUM_DEF(uintmax_t, "%ju", uintmax)
49 static const char *xt_double_format(void *src, u32 fmt, struct mempool *pool)
51 double val = *((double *)src);
53 if (fmt & XT_DOUBLE_FMT_PREC_FLAG)
55 uint prec = fmt & ~XT_DOUBLE_FMT_PREC_FLAG;
56 return mp_printf(pool, "%.*lf", prec, val);
62 return mp_printf(pool, "%.15lg", val);
63 case XTYPE_FMT_PRETTY:
64 return mp_printf(pool, "%.2lf", val);
65 case XTYPE_FMT_DEFAULT:
67 return mp_printf(pool, "%.6lg", val);
71 static const char *xt_double_parse(const char *str, void *dest, struct mempool *pool UNUSED)
75 double result = strtod(str, &endptr);
76 if (*endptr != 0 || endptr == str ||
78 return "Could not parse floating point number.";
80 *((double *) dest) = result;
84 static const char * xt_double_fmt_parse(const char *str, u32 *dest, struct mempool *pool)
87 const char *tmp_err = str_to_uint(&precision, str, NULL, 10);
89 return mp_printf(pool, "Could not parse floating point number precision: %s", tmp_err);
91 *dest = XT_DOUBLE_FMT_PREC(precision);
95 const struct xtype xt_double = {
96 .size = sizeof(double),
98 .parse = xt_double_parse,
99 .format = xt_double_format,
100 .parse_fmt = xt_double_fmt_parse
105 static const char *xt_bool_format(void *src, u32 fmt UNUSED, struct mempool *pool UNUSED)
107 bool val = *((bool *)src);
110 case XTYPE_FMT_PRETTY:
111 return val ? "true" : "false";
112 case XTYPE_FMT_DEFAULT:
115 return val ? "1" : "0";
119 static const char *xt_bool_parse(const char *str, void *dest, struct mempool *pool UNUSED)
121 if (!strcmp(str, "0") || !strcmp(str, "false") || !strcmp(str, "no"))
123 *((bool *)dest) = false;
126 else if (!strcmp(str, "1") || !strcmp(str, "true") || !strcmp(str, "yes"))
128 *((bool *)dest) = true;
132 return "Could not parse a boolean value.";
135 XTYPE_NUM_STRUCT(bool, bool)
139 static const char *xt_str_format(void *src, u32 fmt UNUSED, struct mempool *pool)
141 return mp_strdup(pool, *((const char **) src));
144 static const char *xt_str_parse(const char *str, void *dest, struct mempool *pool)
146 *((const char **) dest) = mp_strdup(pool, str);
150 XTYPE_NUM_STRUCT(char *, str)