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formatting.c File Reference
#include "postgres.h"
#include <limits.h>
#include "utils/timestamp_def.h"
#include "utils/datetime.h"
#include "utils/date.h"
#include "utils/float.h"
#include "../../include/meos.h"

Data Structures

struct  DCHCacheEntry
 
struct  FormatNode
 
struct  KeySuffix
 
struct  KeyWord
 
struct  TmFromChar
 
struct  TmToChar
 

Macros

#define A_D_STR   "A.D."
 
#define a_d_STR   "a.d."
 
#define A_M_STR   "A.M."
 
#define a_m_STR   "a.m."
 
#define AD_STR   "AD"
 
#define ad_STR   "ad"
 
#define ADJUST_YEAR(year, is_interval)   ((is_interval) ? (year) : ((year) <= 0 ? -((year) - 1) : (year)))
 
#define AM_STR   "AM"
 
#define am_STR   "am"
 
#define B_C_STR   "B.C."
 
#define b_c_STR   "b.c."
 
#define BC_STR   "BC"
 
#define bc_STR   "bc"
 
#define CHECK_ERROR
 
#define CLOCK_12_HOUR   1
 
#define CLOCK_24_HOUR   0
 
#define DCH_CACHE_ENTRIES   20
 
#define DCH_CACHE_OVERHEAD    MAXALIGN(sizeof(bool) + sizeof(int))
 
#define DCH_CACHE_SIZE    ((2048 - DCH_CACHE_OVERHEAD) / (sizeof(FormatNode) + sizeof(char)) - 1)
 
#define DCH_DATED   0x01
 
#define DCH_FLAG   0x1 /* DATE-TIME flag */
 
#define DCH_MAX_ITEM_SIZ   12 /* max localized day name */
 
#define DCH_S_FM   0x01
 
#define DCH_S_SP   0x08
 
#define DCH_S_TH   0x02
 
#define DCH_S_th   0x04
 
#define DCH_S_TM   0x10
 
#define DCH_TIMED   0x02
 
#define DCH_to_char_fsec(frac_fmt, frac_val)
 
#define DCH_ZONED   0x04
 
#define DEFAULT_COLLATION_OID   100
 
#define INVALID_FOR_INTERVAL
 
#define KeyWord_INDEX_FILTER(_c)   ((_c) <= ' ' || (_c) >= '~' ? 0 : 1)
 
#define KeyWord_INDEX_SIZE   ('~' - ' ')
 
#define MAX_MULTIBYTE_CHAR_LEN   4
 
#define MAX_TZ_PARSE_LEN   7
 
#define NODE_TYPE_ACTION   2
 
#define NODE_TYPE_CHAR   3
 
#define NODE_TYPE_END   1
 
#define NODE_TYPE_SEPARATOR   4
 
#define NODE_TYPE_SPACE   5
 
#define NUM_FLAG   0x2 /* NUMBER flag */
 
#define P_M_STR   "P.M."
 
#define p_m_STR   "p.m."
 
#define PM_STR   "PM"
 
#define pm_STR   "pm"
 
#define RETURN_ERROR(throw_error)
 
#define S_FM(_s)   (((_s) & DCH_S_FM) ? 1 : 0)
 
#define S_SP(_s)   (((_s) & DCH_S_SP) ? 1 : 0)
 
#define S_TH(_s)   (((_s) & DCH_S_TH) ? 1 : 0)
 
#define S_th(_s)   (((_s) & DCH_S_th) ? 1 : 0)
 
#define S_TH_TYPE(_s)   (((_s) & DCH_S_TH) ? TH_UPPER : TH_LOWER)
 
#define S_THth(_s)   ((((_s) & DCH_S_TH) || ((_s) & DCH_S_th)) ? 1 : 0)
 
#define S_TM(_s)   (((_s) & DCH_S_TM) ? 1 : 0)
 
#define SKIP_THth(ptr, _suf)
 
#define STD_FLAG   0x4 /* STANDARD flag */
 
#define SUFFTYPE_POSTFIX   2
 
#define SUFFTYPE_PREFIX   1
 
#define TH_LOWER   2
 
#define TH_UPPER   1
 
#define TM_SUFFIX_LEN   2
 
#define tmtcFsec(_X)   ((_X)->fsec)
 
#define tmtcTm(_X)   (&(_X)->tm)
 
#define tmtcTzn(_X)   ((_X)->tzn)
 
#define ZERO_tm(_X)
 
#define ZERO_tmfc(_X)   memset(_X, 0, sizeof(TmFromChar))
 
#define ZERO_tmtc(_X)
 

Typedefs

typedef struct TmToChar TmToChar
 

Enumerations

enum  DCH_poz {
  DCH_A_D , DCH_A_M , DCH_AD , DCH_AM ,
  DCH_B_C , DCH_BC , DCH_CC , DCH_DAY ,
  DCH_DDD , DCH_DD , DCH_DY , DCH_Day ,
  DCH_Dy , DCH_D , DCH_FF1 , DCH_FF2 ,
  DCH_FF3 , DCH_FF4 , DCH_FF5 , DCH_FF6 ,
  DCH_FX , DCH_HH24 , DCH_HH12 , DCH_HH ,
  DCH_IDDD , DCH_ID , DCH_IW , DCH_IYYY ,
  DCH_IYY , DCH_IY , DCH_I , DCH_J ,
  DCH_MI , DCH_MM , DCH_MONTH , DCH_MON ,
  DCH_MS , DCH_Month , DCH_Mon , DCH_OF ,
  DCH_P_M , DCH_PM , DCH_Q , DCH_RM ,
  DCH_SSSSS , DCH_SSSS , DCH_SS , DCH_TZH ,
  DCH_TZM , DCH_TZ , DCH_US , DCH_WW ,
  DCH_W , DCH_Y_YYY , DCH_YYYY , DCH_YYY ,
  DCH_YY , DCH_Y , DCH_a_d , DCH_a_m ,
  DCH_ad , DCH_am , DCH_b_c , DCH_bc ,
  DCH_cc , DCH_day , DCH_ddd , DCH_dd ,
  DCH_dy , DCH_d , DCH_ff1 , DCH_ff2 ,
  DCH_ff3 , DCH_ff4 , DCH_ff5 , DCH_ff6 ,
  DCH_fx , DCH_hh24 , DCH_hh12 , DCH_hh ,
  DCH_iddd , DCH_id , DCH_iw , DCH_iyyy ,
  DCH_iyy , DCH_iy , DCH_i , DCH_j ,
  DCH_mi , DCH_mm , DCH_month , DCH_mon ,
  DCH_ms , DCH_p_m , DCH_pm , DCH_q ,
  DCH_rm , DCH_sssss , DCH_ssss , DCH_ss ,
  DCH_tz , DCH_us , DCH_ww , DCH_w ,
  DCH_y_yyy , DCH_yyyy , DCH_yyy , DCH_yy ,
  DCH_y , _DCH_last_
}
 
enum  FromCharDateMode { FROM_CHAR_DATE_NONE = 0 , FROM_CHAR_DATE_GREGORIAN , FROM_CHAR_DATE_ISOWEEK }
 

Functions

static int adjust_partial_year_to_2020 (int year)
 
char * asc_initcap (const char *buff, size_t nbytes)
 
char * asc_tolower (const char *buff, size_t nbytes)
 
static char * asc_tolower_z (const char *buff)
 
char * asc_toupper (const char *buff, size_t nbytes)
 
static char * asc_toupper_z (const char *buff)
 
text * cstring2text (const char *cstring)
 Convert a C string into a text. More...
 
static text * datetime_to_char_body (TmToChar *tmtc, text *fmt, bool is_interval, Oid collid)
 
static DCHCacheEntry * DCH_cache_fetch (const char *str, bool std)
 
static DCHCacheEntry * DCH_cache_getnew (const char *str, bool std)
 
static DCHCacheEntry * DCH_cache_search (const char *str, bool std)
 
static int DCH_datetime_type (FormatNode *node, bool *have_error)
 
static void DCH_from_char (FormatNode *node, const char *in, TmFromChar *out, Oid collid, bool std, bool *have_error)
 
static void DCH_prevent_counter_overflow (void)
 
static void DCH_to_char (FormatNode *node, bool is_interval, TmToChar *in, char *out, Oid collid)
 
static void do_to_timestamp (text *date_txt, text *fmt, Oid collid, bool std, struct pg_tm *tm, fsec_t *fsec, int *fprec, uint32 *flags, bool *have_error)
 
static int from_char_parse_int (int *dest, const char **src, FormatNode *node, bool *have_error)
 
static int from_char_parse_int_len (int *dest, const char **src, const int len, FormatNode *node, bool *have_error)
 
static int from_char_seq_search (int *dest, const char **src, const char *const *array, char **localized_array, Oid collid, FormatNode *node, bool *have_error)
 
static void from_char_set_int (int *dest, const int value, const FormatNode *node, bool *have_error)
 
static void from_char_set_mode (TmFromChar *tmfc, const FromCharDateMode mode, bool *have_error)
 
static const char * get_th (char *num, int type)
 
static const KeyWord * index_seq_search (const char *str, const KeyWord *kw, const int *index)
 
static bool is_next_separator (FormatNode *n)
 
static bool is_separator_char (const char *str)
 
void MEOSAdjustTimestampForTypmod (Timestamp *time, int32 typmod)
 
static void parse_format (FormatNode *node, const char *str, const KeyWord *kw, const KeySuffix *suf, const int *index, uint32 flags)
 
text * pg_interval_to_char (Interval *it, text *fmt)
 Output an interval as text. More...
 
text * pg_timestamp_to_char (Timestamp dt, text *fmt)
 Output a timestamp as text. More...
 
text * pg_timestamptz_to_char (TimestampTz dt, text *fmt)
 Output a timestamptz as text. More...
 
DateADT pg_to_date (text *date_txt, text *fmt)
 Input a date from text. More...
 
TimestampTz pg_to_timestamp (text *date_txt, text *fmt)
 Input a timestamp from date text. More...
 
char * pnstrdup (const char *in, Size size)
 Return a copy of the string value. More...
 
bool scanner_isspace (char ch)
 
static int seq_search_ascii (const char *name, const char *const *array, int *len)
 
static int seq_search_localized (const char *name, char **array, int *len, Oid collid)
 
static char * str_initcap_z (const char *buff, Oid collid)
 
static char * str_numth (char *dest, char *num, int type)
 
static char * str_tolower_z (const char *buff, Oid collid)
 
static char * str_toupper_z (const char *buff, Oid collid)
 
static int strspace_len (const char *str)
 
static const KeySuffix * suff_search (const char *str, const KeySuffix *suf, int type)
 
char * text2cstring (const text *textptr)
 Convert a text into a C string. More...
 

Variables

static const char *const adbc_strings [] = {ad_STR, bc_STR, AD_STR, BC_STR, NULL}
 
static const char *const adbc_strings_long [] = {a_d_STR, b_c_STR, A_D_STR, B_C_STR, NULL}
 
static const char *const ampm_strings [] = {am_STR, pm_STR, AM_STR, PM_STR, NULL}
 
static const char *const ampm_strings_long [] = {a_m_STR, p_m_STR, A_M_STR, P_M_STR, NULL}
 
static const char *const days_short []
 
static const int DCH_index [KeyWord_INDEX_SIZE]
 
static const KeyWord DCH_keywords []
 
static const KeySuffix DCH_suff []
 
static DCHCacheEntry * DCHCache [DCH_CACHE_ENTRIES]
 
static int DCHCounter = 0
 
static const char *const months_full []
 
static int n_DCHCache = 0
 
static const char *const numTH [] = {"ST", "ND", "RD", "TH", NULL}
 
static const char *const numth [] = {"st", "nd", "rd", "th", NULL}
 
static const char *const rm1 [] = {"I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX", NULL}
 
static const char *const rm10 [] = {"X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", NULL}
 
static const char *const rm100 [] = {"C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", NULL}
 
static const char *const rm_months_lower []
 
static const char *const rm_months_upper []
 
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