root/ext/date/lib/timelib_structs.h

INCLUDED FROM

   1 /*
   2  * The MIT License (MIT)
   3  *
   4  * Copyright (c) 2015 Derick Rethans
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 
  25 #ifndef __TIMELIB_STRUCTS_H__
  26 #define __TIMELIB_STRUCTS_H__
  27 
  28 #ifdef HAVE_TIMELIB_CONFIG_H
  29 # include "timelib_config.h"
  30 #endif
  31 
  32 #ifndef TIMELIB_OMIT_STDINT
  33 
  34 #ifdef HAVE_SYS_TYPES_H
  35 #include <sys/types.h>
  36 #endif
  37 
  38 #if defined(HAVE_INTTYPES_H)
  39 #include <inttypes.h>
  40 #elif defined(HAVE_STDINT_H)
  41 #include <stdint.h>
  42 #endif
  43 
  44 # ifndef HAVE_INT32_T
  45 #  if SIZEOF_INT == 4
  46 typedef int int32_t;
  47 #  elif SIZEOF_LONG == 4
  48 typedef long int int32_t;
  49 #  endif
  50 # endif
  51 
  52 # ifndef HAVE_UINT32_T
  53 #  if SIZEOF_INT == 4
  54 typedef unsigned int uint32_t;
  55 #  elif SIZEOF_LONG == 4
  56 typedef unsigned long int uint32_t;
  57 #  endif
  58 # endif
  59 
  60 #ifdef _WIN32
  61 # if _MSC_VER >= 1600
  62 # include <stdint.h>
  63 # endif
  64 # ifndef SIZEOF_INT
  65 #  define SIZEOF_INT 4
  66 # endif
  67 # ifndef SIZEOF_LONG
  68 #  define SIZEOF_LONG 4
  69 # endif
  70 # ifndef int32_t
  71 typedef __int32           int32_t;
  72 # endif
  73 # ifndef uint32_t
  74 typedef unsigned __int32  uint32_t;
  75 # endif
  76 # ifndef int64_t
  77 typedef __int64           int64_t;
  78 # endif
  79 # ifndef uint64_t
  80 typedef unsigned __int64  uint64_t;
  81 # endif
  82 # ifndef PRId32
  83 #  define PRId32       "I32d"
  84 # endif
  85 # ifndef PRIu32
  86 #  define PRIu32       "I32u"
  87 # endif
  88 # ifndef PRId64
  89 #  define PRId64       "I64d"
  90 # endif
  91 # ifndef PRIu64
  92 #  define PRIu64       "I64u"
  93 # endif
  94 # ifndef INT32_MAX
  95 #define INT32_MAX    _I32_MAX
  96 # endif
  97 # ifndef INT32_MIN
  98 #define INT32_MIN    ((int32_t)_I32_MIN)
  99 # endif
 100 # ifndef UINT32_MAX
 101 #define UINT32_MAX   _UI32_MAX
 102 # endif
 103 # ifndef INT64_MIN
 104 #define INT64_MIN    ((int64_t)_I64_MIN)
 105 # endif
 106 # ifndef INT64_MAX
 107 #define INT64_MAX    _I64_MAX
 108 # endif
 109 # ifndef UINT64_MAX
 110 #define UINT64_MAX   _UI64_MAX
 111 # endif
 112 #endif
 113 
 114 #endif /* TIMELIB_OMIT_STDINT */
 115 
 116 #include <stdio.h>
 117 
 118 #ifdef HAVE_STDLIB_H
 119 #include <stdlib.h>
 120 #endif
 121 
 122 #ifdef HAVE_STRING_H
 123 #include <string.h>
 124 #else
 125 #include <strings.h>
 126 #endif
 127 
 128 #if defined(__x86_64__) || defined(__LP64__) || defined(_LP64) || defined(_WIN64)
 129 typedef int64_t timelib_long;
 130 typedef uint64_t timelib_ulong;
 131 # define TIMELIB_LONG_MAX INT64_MAX
 132 # define TIMELIB_LONG_MIN INT64_MIN
 133 # define TIMELIB_ULONG_MAX UINT64_MAX
 134 # define TIMELIB_LONG_FMT "%" PRId64
 135 # define TIMELIB_ULONG_FMT "%" PRIu64
 136 #else
 137 typedef int32_t timelib_long;
 138 typedef uint32_t timelib_ulong;
 139 # define TIMELIB_LONG_MAX INT32_MAX
 140 # define TIMELIB_LONG_MIN INT32_MIN
 141 # define TIMELIB_ULONG_MAX UINT32_MAX
 142 # define TIMELIB_LONG_FMT "%" PRId32
 143 # define TIMELIB_ULONG_FMT "%" PRIu32
 144 #endif
 145 
 146 #if defined(_MSC_VER)
 147 typedef uint64_t timelib_ull;
 148 typedef int64_t timelib_sll;
 149 # define TIMELIB_LL_CONST(n) n ## i64
 150 #else
 151 typedef unsigned long long timelib_ull;
 152 typedef signed long long timelib_sll;
 153 # define TIMELIB_LL_CONST(n) n ## ll
 154 #endif
 155 
 156 typedef struct ttinfo
 157 {
 158         int32_t      offset;
 159         int          isdst;
 160         unsigned int abbr_idx;
 161 
 162         unsigned int isstdcnt;
 163         unsigned int isgmtcnt;
 164 } ttinfo;
 165 
 166 typedef struct tlinfo
 167 {
 168         int32_t  trans;
 169         int32_t  offset;
 170 } tlinfo;
 171 
 172 typedef struct tlocinfo
 173 {
 174         char country_code[3];
 175         double latitude;
 176         double longitude;
 177         char *comments;
 178 } tlocinfo;
 179 
 180 typedef struct timelib_tzinfo
 181 {
 182         char    *name;
 183         struct {
 184                 uint32_t ttisgmtcnt;
 185                 uint32_t ttisstdcnt;
 186                 uint32_t leapcnt;
 187                 uint32_t timecnt;
 188                 uint32_t typecnt;
 189                 uint32_t charcnt;
 190         } bit32;
 191         struct {
 192                 uint64_t ttisgmtcnt;
 193                 uint64_t ttisstdcnt;
 194                 uint64_t leapcnt;
 195                 uint64_t timecnt;
 196                 uint64_t typecnt;
 197                 uint64_t charcnt;
 198         } bit64;
 199 
 200         int32_t *trans;
 201         unsigned char *trans_idx;
 202 
 203         ttinfo  *type;
 204         char    *timezone_abbr;
 205 
 206         tlinfo  *leap_times;
 207         unsigned char bc;
 208         tlocinfo location;
 209 } timelib_tzinfo;
 210 
 211 typedef struct timelib_special {
 212         unsigned int type;
 213         timelib_sll amount;
 214 } timelib_special;
 215 
 216 typedef struct timelib_rel_time {
 217         timelib_sll y, m, d; /* Years, Months and Days */
 218         timelib_sll h, i, s; /* Hours, mInutes and Seconds */
 219 
 220         int weekday; /* Stores the day in 'next monday' */
 221         int weekday_behavior; /* 0: the current day should *not* be counted when advancing forwards; 1: the current day *should* be counted */
 222 
 223         int first_last_day_of;
 224         int invert; /* Whether the difference should be inverted */
 225         timelib_sll days; /* Contains the number of *days*, instead of Y-M-D differences */
 226 
 227         timelib_special  special;
 228         unsigned int   have_weekday_relative, have_special_relative;
 229 } timelib_rel_time;
 230 
 231 typedef struct timelib_time_offset {
 232         int32_t      offset;
 233         unsigned int leap_secs;
 234         unsigned int is_dst;
 235         char        *abbr;
 236         timelib_sll  transistion_time;
 237 } timelib_time_offset;
 238 
 239 typedef struct timelib_time {
 240         timelib_sll      y, m, d;     /* Year, Month, Day */
 241         timelib_sll      h, i, s;     /* Hour, mInute, Second */
 242         double           f;           /* Fraction */
 243         int              z;           /* GMT offset in minutes */
 244         char            *tz_abbr;     /* Timezone abbreviation (display only) */
 245         timelib_tzinfo  *tz_info;     /* Timezone structure */
 246         signed int       dst;         /* Flag if we were parsing a DST zone */
 247         timelib_rel_time relative;
 248 
 249         timelib_sll      sse;         /* Seconds since epoch */
 250 
 251         unsigned int   have_time, have_date, have_zone, have_relative, have_weeknr_day;
 252 
 253         unsigned int   sse_uptodate; /* !0 if the sse member is up to date with the date/time members */
 254         unsigned int   tim_uptodate; /* !0 if the date/time members are up to date with the sse member */
 255         unsigned int   is_localtime; /*  1 if the current struct represents localtime, 0 if it is in GMT */
 256         unsigned int   zone_type;    /*  1 time offset,
 257                                       *  3 TimeZone identifier,
 258                                       *  2 TimeZone abbreviation */
 259 } timelib_time;
 260 
 261 typedef struct timelib_abbr_info {
 262         timelib_sll  utc_offset;
 263         char        *abbr;
 264         int          dst;
 265 } timelib_abbr_info;
 266 
 267 typedef struct timelib_error_message {
 268         int         position;
 269         char        character;
 270         char       *message;
 271 } timelib_error_message;
 272 
 273 typedef struct timelib_error_container {
 274         struct timelib_error_message *error_messages;
 275         struct timelib_error_message *warning_messages;
 276         int                           error_count;
 277         int                           warning_count;
 278 } timelib_error_container;
 279 
 280 typedef struct _timelib_tz_lookup_table {
 281         char       *name;
 282         int         type;
 283         float       gmtoffset;
 284         char       *full_tz_name;
 285 } timelib_tz_lookup_table;
 286 
 287 typedef struct _timelib_tzdb_index_entry {
 288         char *id;
 289         unsigned int pos;
 290 } timelib_tzdb_index_entry;
 291 
 292 typedef struct _timelib_tzdb {
 293         char                           *version;
 294         int                             index_size;
 295         const timelib_tzdb_index_entry *index;
 296         const unsigned char            *data;
 297 } timelib_tzdb;
 298 
 299 #define TIMELIB_ZONETYPE_OFFSET 1
 300 #define TIMELIB_ZONETYPE_ABBR   2
 301 #define TIMELIB_ZONETYPE_ID     3
 302 
 303 #define SECS_PER_ERA   TIMELIB_LL_CONST(12622780800)
 304 #define SECS_PER_DAY   86400
 305 #define DAYS_PER_YEAR    365
 306 #define DAYS_PER_LYEAR   366
 307 /* 400*365 days + 97 leap days */
 308 #define DAYS_PER_LYEAR_PERIOD 146097
 309 #define YEARS_PER_LYEAR_PERIOD 400
 310 
 311 #define timelib_is_leap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))
 312 
 313 #define TIMELIB_DEBUG(s)  if (0) { s }
 314 
 315 #endif