2 * UCW Library -- Basic Extended Types
4 * (c) 2014 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
11 #include <ucw/mempool.h>
12 #include <ucw/strtonum.h>
13 #include <ucw/xtypes.h>
18 #define XTYPE_NUM_FORMAT(_type, _fmt, _typename) static const char *xt_##_typename##_format(void *src, u32 fmt UNUSED, struct mempool *pool) \
20 return mp_printf(pool, _fmt, *(_type *)src);\
23 #define XTYPE_NUM_PARSE(_typename) static const char *xt_##_typename##_parse(const char *str, void *dest, struct mempool *pool UNUSED)\
25 return str_to_##_typename(dest, str, NULL, 10 | STN_WHOLE | STN_MINUS | STN_PLUS | STN_HEX | STN_BIN | STN_OCT);\
28 #define XTYPE_NUM_STRUCT(_type, _typename) const struct xtype xt_##_typename = {\
29 .size = sizeof(_type),\
31 .parse = xt_##_typename##_parse,\
32 .format = xt_##_typename##_format,\
35 #define XTYPE_NUM_DEF(_type, _fmt, _typename) XTYPE_NUM_FORMAT(_type, _fmt, _typename) \
36 XTYPE_NUM_PARSE(_typename)\
37 XTYPE_NUM_STRUCT(_type, _typename)
39 XTYPE_NUM_DEF(int, "%d", int)
40 XTYPE_NUM_DEF(s64, "%" PRId64, s64)
41 XTYPE_NUM_DEF(intmax_t, "%jd", intmax)
42 XTYPE_NUM_DEF(uint, "%u", uint)
43 XTYPE_NUM_DEF(u64, "%" PRIu64, u64)
44 XTYPE_NUM_DEF(uintmax_t, "%ju", uintmax)
48 static const char *xt_double_format(void *src, u32 fmt, struct mempool *pool)
52 return mp_printf(pool, "%.10lf", *(double *)src);
53 case XTYPE_FMT_PRETTY:
54 return mp_printf(pool, "%.2lf", *(double *)src);
56 case XTYPE_FMT_DEFAULT:
58 return mp_printf(pool, "%.5lf", *(double *)src);
62 static const char *xt_double_parse(const char *str, void *dest, struct mempool *pool UNUSED)
65 size_t sz = strlen(str);
67 double result = strtod(str, &endptr);
68 if(endptr != str + sz) return "Could not parse double.";
69 if(errno == ERANGE) return "Could not parse double: overflow happend during parsing";
71 *((double *) dest) = result;
76 const struct xtype xt_double = {
77 .size = sizeof(double),
79 .parse = xt_double_parse,
80 .format = xt_double_format,
85 static const char *xt_bool_format(void *src, u32 fmt UNUSED, struct mempool *pool) // (struct table *tbl, int col, enum xtype_fmt fmt, bool val)
88 case XTYPE_FMT_DEFAULT:
89 case XTYPE_FMT_PRETTY:
90 return mp_printf(pool, "%s", *((bool *)src) ? "true" : "false");
92 return mp_printf(pool, "%s", *((bool *)src) ? "1" : "0");
94 die("Unsupported output type.");
98 static const char *xt_bool_parse(const char *str, void *dest, struct mempool *pool UNUSED)
102 *((bool *)dest) = false;
106 *((bool *)dest) = true;
111 if(strcasecmp(str, "false") == 0) {
112 *((bool *)dest) = false;
116 if(strcasecmp(str, "true") == 0) {
117 *((bool *)dest) = true;
121 return "Could not parse bool.";
124 const struct xtype xt_bool = {
125 .size = sizeof(bool),
127 .parse = xt_bool_parse,
128 .format = xt_bool_format,
133 static const char *xt_str_format(void *src, u32 fmt UNUSED, struct mempool *pool)
135 return mp_printf(pool, "%s", (const char *) src);
138 static const char *xt_str_parse(const char *str, void *dest, struct mempool *pool UNUSED)
140 *((const char **) dest) = str;
144 const struct xtype xt_str = {
145 .size = sizeof(char *),
147 .parse = xt_str_parse,
148 .format = xt_str_format,