formatting.c File Reference

#include "postgres.h"
#include <ctype.h>
#include <unistd.h>
#include <math.h>
#include <float.h>
#include <limits.h>
#include <wchar.h>
#include "catalog/pg_collation.h"
#include "catalog/pg_type.h"
#include "mb/pg_wchar.h"
#include "parser/scansup.h"
#include "utils/builtins.h"
#include "utils/date.h"
#include "utils/datetime.h"
#include "utils/formatting.h"
#include "utils/memutils.h"
#include "utils/numeric.h"
#include "utils/pg_locale.h"

Include dependency graph for formatting.c:

Go to the source code of this file.

Data Structures
struct	KeySuffix
struct	KeyWord
struct	FormatNode
struct	NUMDesc
struct	DCHCacheEntry
struct	NUMCacheEntry
struct	TmFromChar
struct	fmt_tm
struct	TmToChar
struct	NUMProc

Macros
#define	RETURN_ERROR(throw_error)
#define	CHECK_ERROR
#define	DCH_FLAG   0x1 /* DATE-TIME flag */
#define	NUM_FLAG   0x2 /* NUMBER flag */
#define	STD_FLAG   0x4 /* STANDARD flag */
#define	KeyWord_INDEX_SIZE   ('~' - ' ')
#define	KeyWord_INDEX_FILTER(_c)   ((_c) <= ' ' || (_c) >= '~' ? 0 : 1)
#define	DCH_MAX_ITEM_SIZ   12 /* max localized day name */
#define	NUM_MAX_ITEM_SIZ   8 /* roman number (RN has 15 chars) */
#define	NODE_TYPE_END   1
#define	NODE_TYPE_ACTION   2
#define	NODE_TYPE_CHAR   3
#define	NODE_TYPE_SEPARATOR   4
#define	NODE_TYPE_SPACE   5
#define	SUFFTYPE_PREFIX   1
#define	SUFFTYPE_POSTFIX   2
#define	CLOCK_24_HOUR   0
#define	CLOCK_12_HOUR   1
#define	ADJUST_YEAR(year, is_interval)   ((is_interval) ? (year) : ((year) <= 0 ? -((year) - 1) : (year)))
#define	A_D_STR   "A.D."
#define	a_d_STR   "a.d."
#define	AD_STR   "AD"
#define	ad_STR   "ad"
#define	B_C_STR   "B.C."
#define	b_c_STR   "b.c."
#define	BC_STR   "BC"
#define	bc_STR   "bc"
#define	A_M_STR   "A.M."
#define	a_m_STR   "a.m."
#define	AM_STR   "AM"
#define	am_STR   "am"
#define	P_M_STR   "P.M."
#define	p_m_STR   "p.m."
#define	PM_STR   "PM"
#define	pm_STR   "pm"
#define	TH_UPPER   1
#define	TH_LOWER   2
#define	NUM_F_DECIMAL   (1 << 1)
#define	NUM_F_LDECIMAL   (1 << 2)
#define	NUM_F_ZERO   (1 << 3)
#define	NUM_F_BLANK   (1 << 4)
#define	NUM_F_FILLMODE   (1 << 5)
#define	NUM_F_LSIGN   (1 << 6)
#define	NUM_F_BRACKET   (1 << 7)
#define	NUM_F_MINUS   (1 << 8)
#define	NUM_F_PLUS   (1 << 9)
#define	NUM_F_ROMAN   (1 << 10)
#define	NUM_F_MULTI   (1 << 11)
#define	NUM_F_PLUS_POST   (1 << 12)
#define	NUM_F_MINUS_POST   (1 << 13)
#define	NUM_F_EEEE   (1 << 14)
#define	NUM_LSIGN_PRE   (-1)
#define	NUM_LSIGN_POST   1
#define	NUM_LSIGN_NONE   0
#define	IS_DECIMAL(_f)   ((_f)->flag & NUM_F_DECIMAL)
#define	IS_LDECIMAL(_f)   ((_f)->flag & NUM_F_LDECIMAL)
#define	IS_ZERO(_f)   ((_f)->flag & NUM_F_ZERO)
#define	IS_BLANK(_f)   ((_f)->flag & NUM_F_BLANK)
#define	IS_FILLMODE(_f)   ((_f)->flag & NUM_F_FILLMODE)
#define	IS_BRACKET(_f)   ((_f)->flag & NUM_F_BRACKET)
#define	IS_MINUS(_f)   ((_f)->flag & NUM_F_MINUS)
#define	IS_LSIGN(_f)   ((_f)->flag & NUM_F_LSIGN)
#define	IS_PLUS(_f)   ((_f)->flag & NUM_F_PLUS)
#define	IS_ROMAN(_f)   ((_f)->flag & NUM_F_ROMAN)
#define	IS_MULTI(_f)   ((_f)->flag & NUM_F_MULTI)
#define	IS_EEEE(_f)   ((_f)->flag & NUM_F_EEEE)
#define	DCH_CACHE_OVERHEAD    MAXALIGN(sizeof(bool) + sizeof(int))
#define	NUM_CACHE_OVERHEAD    MAXALIGN(sizeof(bool) + sizeof(int) + sizeof(NUMDesc))
#define	DCH_CACHE_SIZE    ((2048 - DCH_CACHE_OVERHEAD) / (sizeof(FormatNode) + sizeof(char)) - 1)
#define	NUM_CACHE_SIZE    ((1024 - NUM_CACHE_OVERHEAD) / (sizeof(FormatNode) + sizeof(char)) - 1)
#define	DCH_CACHE_ENTRIES   20
#define	NUM_CACHE_ENTRIES   20
#define	ZERO_tmfc(_X)   memset(_X, 0, sizeof(TmFromChar))
#define	DEBUG_TMFC(_X)
#define	DEBUG_TM(_X)
#define	tmtcTm(_X)   (&(_X)->tm)
#define	tmtcTzn(_X)   ((_X)->tzn)
#define	tmtcFsec(_X)   ((_X)->fsec)
#define	COPY_tm(_DST, _SRC)
#define	ZERO_tm(_X)
#define	ZERO_tmtc(_X)
#define	INVALID_FOR_INTERVAL
#define	DCH_S_FM   0x01
#define	DCH_S_TH   0x02
#define	DCH_S_th   0x04
#define	DCH_S_SP   0x08
#define	DCH_S_TM   0x10
#define	S_THth(_s)   ((((_s) & DCH_S_TH) || ((_s) & DCH_S_th)) ? 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_FM(_s)   (((_s) & DCH_S_FM) ? 1 : 0)
#define	S_SP(_s)   (((_s) & DCH_S_SP) ? 1 : 0)
#define	S_TM(_s)   (((_s) & DCH_S_TM) ? 1 : 0)
#define	TM_SUFFIX_LEN   2
#define	SKIP_THth(ptr, _suf)
#define	DCH_to_char_fsec(frac_fmt, frac_val)
#define	zeroize_NUM(_n)
#define	OVERLOAD_TEST   (Np->inout_p >= Np->inout + input_len)
#define	AMOUNT_TEST(s)   (Np->inout_p <= Np->inout + (input_len - (s)))
#define	IS_PREDEC_SPACE(_n)
#define	NUM_TOCHAR_prepare
#define	NUM_TOCHAR_finish

Typedefs
typedef struct TmToChar	TmToChar
typedef struct NUMProc	NUMProc

Enumerations
enum	FromCharDateMode { FROM_CHAR_DATE_NONE = 0 , FROM_CHAR_DATE_GREGORIAN , FROM_CHAR_DATE_ISOWEEK }
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_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_last_ }
enum	NUM_poz {   NUM_COMMA , NUM_DEC , NUM_0 , NUM_9 ,   NUM_B , NUM_C , NUM_D , NUM_E ,   NUM_FM , NUM_G , NUM_L , NUM_MI ,   NUM_PL , NUM_PR , NUM_RN , NUM_SG ,   NUM_SP , NUM_S , NUM_TH , NUM_V ,   NUM_b , NUM_c , NUM_d , NUM_e ,   NUM_fm , NUM_g , NUM_l , NUM_mi ,   NUM_pl , NUM_pr , NUM_rn , NUM_sg ,   NUM_sp , NUM_s , NUM_th , NUM_v ,   _NUM_last_ }

Functions
static const KeyWord *	index_seq_search (const char *str, const KeyWord *kw, const int *index)
static const KeySuffix *	suff_search (const char *str, const KeySuffix *suf, int type)
static bool	is_separator_char (const char *str)
static void	NUMDesc_prepare (NUMDesc *num, FormatNode *n)
static void	parse_format (FormatNode *node, const char *str, const KeyWord *kw, const KeySuffix *suf, const int *index, uint32 flags, NUMDesc *Num)
static void	DCH_to_char (FormatNode *node, bool is_interval, TmToChar *in, char *out, Oid collid)
static void	DCH_from_char (FormatNode *node, const char *in, TmFromChar *out, Oid collid, bool std, bool *have_error)
static const char *	get_th (char *num, int type)
static char *	str_numth (char *dest, char *num, int type)
static int	adjust_partial_year_to_2020 (int year)
static int	strspace_len (const char *str)
static void	from_char_set_mode (TmFromChar *tmfc, const FromCharDateMode mode, bool *have_error)
static void	from_char_set_int (int *dest, const int value, const 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_parse_int (int *dest, const char **src, FormatNode *node, bool *have_error)
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 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	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 char *	fill_str (char *str, int c, int max)
static FormatNode *	NUM_cache (int len, NUMDesc *Num, text *pars_str, bool *shouldFree)
static char *	int_to_roman (int number)
static void	NUM_prepare_locale (NUMProc *Np)
static char *	get_last_relevant_decnum (char *num)
static void	NUM_numpart_from_char (NUMProc *Np, int id, int input_len)
static void	NUM_numpart_to_char (NUMProc *Np, int id)
static char *	NUM_processor (FormatNode *node, NUMDesc *Num, char *inout, char *number, int input_len, int to_char_out_pre_spaces, int sign, bool is_to_char, Oid collid)
static DCHCacheEntry *	DCH_cache_getnew (const char *str, bool std)
static DCHCacheEntry *	DCH_cache_search (const char *str, bool std)
static DCHCacheEntry *	DCH_cache_fetch (const char *str, bool std)
static NUMCacheEntry *	NUM_cache_getnew (const char *str)
static NUMCacheEntry *	NUM_cache_search (const char *str)
static NUMCacheEntry *	NUM_cache_fetch (const char *str)
char *	str_tolower (const char *buff, size_t nbytes, Oid collid)
char *	str_toupper (const char *buff, size_t nbytes, Oid collid)
char *	str_initcap (const char *buff, size_t nbytes, Oid collid)
char *	asc_tolower (const char *buff, size_t nbytes)
char *	asc_toupper (const char *buff, size_t nbytes)
char *	asc_initcap (const char *buff, size_t nbytes)
static char *	str_tolower_z (const char *buff, Oid collid)
static char *	str_toupper_z (const char *buff, Oid collid)
static char *	str_initcap_z (const char *buff, Oid collid)
static char *	asc_tolower_z (const char *buff)
static char *	asc_toupper_z (const char *buff)
static bool	is_next_separator (FormatNode *n)
static void	DCH_prevent_counter_overflow (void)
static int	DCH_datetime_type (FormatNode *node, bool *have_error)
static text *	datetime_to_char_body (TmToChar *tmtc, text *fmt, bool is_interval, Oid collid)
Datum	timestamp_to_char (PG_FUNCTION_ARGS)
Datum	timestamptz_to_char (PG_FUNCTION_ARGS)
Datum	interval_to_char (PG_FUNCTION_ARGS)
Datum	to_timestamp (PG_FUNCTION_ARGS)
Datum	to_date (PG_FUNCTION_ARGS)
Datum	parse_datetime (text *date_txt, text *fmt, Oid collid, bool strict, Oid *typid, int32 *typmod, int *tz, bool *have_error)
static void	NUM_prevent_counter_overflow (void)
static void	NUM_eat_non_data_chars (NUMProc *Np, int n, int input_len)
Datum	numeric_to_number (PG_FUNCTION_ARGS)
Datum	numeric_to_char (PG_FUNCTION_ARGS)
Datum	int4_to_char (PG_FUNCTION_ARGS)
Datum	int8_to_char (PG_FUNCTION_ARGS)
Datum	float4_to_char (PG_FUNCTION_ARGS)
Datum	float8_to_char (PG_FUNCTION_ARGS)
int	datetime_format_flags (const char *fmt_str, bool *have_error)

Variables
static const char *const	months_full []
static const char *const	days_short []
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	rm_months_upper []
static const char *const	rm_months_lower []
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	numTH [] = {"ST", "ND", "RD", "TH", NULL}
static const char *const	numth [] = {"st", "nd", "rd", "th", NULL}
static DCHCacheEntry *	DCHCache [DCH_CACHE_ENTRIES]
static int	n_DCHCache = 0
static int	DCHCounter = 0
static NUMCacheEntry *	NUMCache [NUM_CACHE_ENTRIES]
static int	n_NUMCache = 0
static int	NUMCounter = 0
static const KeySuffix	DCH_suff []
static const KeyWord	DCH_keywords []
static const KeyWord	NUM_keywords []
static const int	DCH_index [KeyWord_INDEX_SIZE]
static const int	NUM_index [KeyWord_INDEX_SIZE]

Macro Definition Documentation

A_D_STR

#define A_D_STR   "A.D."

Definition at line 237 of file formatting.c.

a_d_STR

#define a_d_STR   "a.d."

Definition at line 238 of file formatting.c.

A_M_STR

#define A_M_STR   "A.M."

Definition at line 264 of file formatting.c.

a_m_STR

#define a_m_STR   "a.m."

Definition at line 265 of file formatting.c.

AD_STR

#define AD_STR   "AD"

Definition at line 239 of file formatting.c.

ad_STR

#define ad_STR   "ad"

Definition at line 240 of file formatting.c.

ADJUST_YEAR

#define ADJUST_YEAR	(		year,
			is_interval
	)		((is_interval) ? (year) : ((year) <= 0 ? -((year) - 1) : (year)))

Definition at line 235 of file formatting.c.

AM_STR

#define AM_STR   "AM"

Definition at line 266 of file formatting.c.

am_STR

#define am_STR   "am"

Definition at line 267 of file formatting.c.

AMOUNT_TEST

#define AMOUNT_TEST

(

s

)

(Np->inout_p <= Np->inout + (input_len - (s)))

Definition at line 5194 of file formatting.c.

B_C_STR

#define B_C_STR   "B.C."

Definition at line 242 of file formatting.c.

b_c_STR

#define b_c_STR   "b.c."

Definition at line 243 of file formatting.c.

BC_STR

#define BC_STR   "BC"

Definition at line 244 of file formatting.c.

bc_STR

#define bc_STR   "bc"

Definition at line 245 of file formatting.c.

CHECK_ERROR

#define CHECK_ERROR

Value:

do { \
    if (have_error && *have_error) \
        goto on_error; \
} while (0)

Definition at line 130 of file formatting.c.

CLOCK_12_HOUR

#define CLOCK_12_HOUR   1

Definition at line 212 of file formatting.c.

CLOCK_24_HOUR

#define CLOCK_24_HOUR   0

Definition at line 211 of file formatting.c.

COPY_tm

#define COPY_tm	(		_DST,
			_SRC
	)

Value:

do {    \
    (_DST)->tm_sec = (_SRC)->tm_sec; \
    (_DST)->tm_min = (_SRC)->tm_min; \
    (_DST)->tm_hour = (_SRC)->tm_hour; \
    (_DST)->tm_mday = (_SRC)->tm_mday; \
    (_DST)->tm_mon = (_SRC)->tm_mon; \
    (_DST)->tm_year = (_SRC)->tm_year; \
    (_DST)->tm_wday = (_SRC)->tm_wday; \
    (_DST)->tm_yday = (_SRC)->tm_yday; \
    (_DST)->tm_gmtoff = (_SRC)->tm_gmtoff; \
} while(0)

Definition at line 525 of file formatting.c.

DCH_CACHE_ENTRIES

#define DCH_CACHE_ENTRIES   20

Definition at line 406 of file formatting.c.

DCH_CACHE_OVERHEAD

#define DCH_CACHE_OVERHEAD    MAXALIGN(sizeof(bool) + sizeof(int))

Definition at line 396 of file formatting.c.

DCH_CACHE_SIZE

#define DCH_CACHE_SIZE    ((2048 - DCH_CACHE_OVERHEAD) / (sizeof(FormatNode) + sizeof(char)) - 1)

Definition at line 401 of file formatting.c.

DCH_FLAG

#define DCH_FLAG   0x1 /* DATE-TIME flag */

Definition at line 140 of file formatting.c.

DCH_MAX_ITEM_SIZ

#define DCH_MAX_ITEM_SIZ   12 /* max localized day name */

Definition at line 155 of file formatting.c.

DCH_S_FM

#define DCH_S_FM   0x01

Definition at line 573 of file formatting.c.

DCH_S_SP

#define DCH_S_SP   0x08

Definition at line 576 of file formatting.c.

DCH_S_TH

#define DCH_S_TH   0x02

Definition at line 574 of file formatting.c.

DCH_S_th

#define DCH_S_th   0x04

Definition at line 575 of file formatting.c.

DCH_S_TM

#define DCH_S_TM   0x10

Definition at line 577 of file formatting.c.

DCH_to_char_fsec

#define DCH_to_char_fsec	(		frac_fmt,
			frac_val
	)

Value:

                sprintf(s, frac_fmt, (int) (frac_val)); \
                if (S_THth(n->suffix)) \
                    str_numth(s, s, S_TH_TYPE(n->suffix)); \
                s += strlen(s)

DEBUG_TM

#define DEBUG_TM

(

_X

)

Definition at line 489 of file formatting.c.

DEBUG_TMFC

#define DEBUG_TMFC

(

_X

)

Definition at line 488 of file formatting.c.

INVALID_FOR_INTERVAL

#define INVALID_FOR_INTERVAL

Value:

do { \
    if (is_interval) \
        ereport(ERROR, \
                (errcode(ERRCODE_INVALID_DATETIME_FORMAT), \
                 errmsg("invalid format specification for an interval value"), \
                 errhint("Intervals are not tied to specific calendar dates."))); \
} while(0)

Definition at line 556 of file formatting.c.

IS_BLANK

#define IS_BLANK

(

_f

)

((_f)->flag & NUM_F_BLANK)

Definition at line 368 of file formatting.c.

IS_BRACKET

#define IS_BRACKET

(

_f

)

((_f)->flag & NUM_F_BRACKET)

Definition at line 370 of file formatting.c.

IS_DECIMAL

#define IS_DECIMAL

(

_f

)

((_f)->flag & NUM_F_DECIMAL)

Definition at line 365 of file formatting.c.

IS_EEEE

#define IS_EEEE

(

_f

)

((_f)->flag & NUM_F_EEEE)

Definition at line 376 of file formatting.c.

IS_FILLMODE

#define IS_FILLMODE

(

_f

)

((_f)->flag & NUM_F_FILLMODE)

Definition at line 369 of file formatting.c.

IS_LDECIMAL

#define IS_LDECIMAL

(

_f

)

((_f)->flag & NUM_F_LDECIMAL)

Definition at line 366 of file formatting.c.

IS_LSIGN

#define IS_LSIGN

(

_f

)

((_f)->flag & NUM_F_LSIGN)

Definition at line 372 of file formatting.c.

IS_MINUS

#define IS_MINUS

(

_f

)

((_f)->flag & NUM_F_MINUS)

Definition at line 371 of file formatting.c.

IS_MULTI

#define IS_MULTI

(

_f

)

((_f)->flag & NUM_F_MULTI)

Definition at line 375 of file formatting.c.

IS_PLUS

#define IS_PLUS

(

_f

)

((_f)->flag & NUM_F_PLUS)

Definition at line 373 of file formatting.c.

IS_PREDEC_SPACE

#define IS_PREDEC_SPACE

(

_n

)

Value:

        (IS_ZERO((_n)->Num)==false && \
         (_n)->number == (_n)->number_p && \
         *(_n)->number == '0' && \
                 (_n)->Num->post != 0)

Definition at line 5405 of file formatting.c.

IS_ROMAN

#define IS_ROMAN

(

_f

)

((_f)->flag & NUM_F_ROMAN)

Definition at line 374 of file formatting.c.

IS_ZERO

#define IS_ZERO

(

_f

)

((_f)->flag & NUM_F_ZERO)

Definition at line 367 of file formatting.c.

KeyWord_INDEX_FILTER

#define KeyWord_INDEX_FILTER

(

_c

)

((_c) <= ' ' || (_c) >= '~' ? 0 : 1)

Definition at line 149 of file formatting.c.

KeyWord_INDEX_SIZE

#define KeyWord_INDEX_SIZE   ('~' - ' ')

Definition at line 148 of file formatting.c.

NODE_TYPE_ACTION

#define NODE_TYPE_ACTION   2

Definition at line 203 of file formatting.c.

NODE_TYPE_CHAR

#define NODE_TYPE_CHAR   3

Definition at line 204 of file formatting.c.

NODE_TYPE_END

#define NODE_TYPE_END   1

Definition at line 202 of file formatting.c.

NODE_TYPE_SEPARATOR

#define NODE_TYPE_SEPARATOR   4

Definition at line 205 of file formatting.c.

NODE_TYPE_SPACE

#define NODE_TYPE_SPACE   5

Definition at line 206 of file formatting.c.

NUM_CACHE_ENTRIES

#define NUM_CACHE_ENTRIES   20

Definition at line 407 of file formatting.c.

NUM_CACHE_OVERHEAD

#define NUM_CACHE_OVERHEAD    MAXALIGN(sizeof(bool) + sizeof(int) + sizeof(NUMDesc))

Definition at line 398 of file formatting.c.

NUM_CACHE_SIZE

#define NUM_CACHE_SIZE    ((1024 - NUM_CACHE_OVERHEAD) / (sizeof(FormatNode) + sizeof(char)) - 1)

Definition at line 403 of file formatting.c.

NUM_F_BLANK

#define NUM_F_BLANK   (1 << 4)

Definition at line 345 of file formatting.c.

NUM_F_BRACKET

#define NUM_F_BRACKET   (1 << 7)

Definition at line 348 of file formatting.c.

NUM_F_DECIMAL

#define NUM_F_DECIMAL   (1 << 1)

Definition at line 342 of file formatting.c.

NUM_F_EEEE

#define NUM_F_EEEE   (1 << 14)

Definition at line 355 of file formatting.c.

NUM_F_FILLMODE

#define NUM_F_FILLMODE   (1 << 5)

Definition at line 346 of file formatting.c.

NUM_F_LDECIMAL

#define NUM_F_LDECIMAL   (1 << 2)

Definition at line 343 of file formatting.c.

NUM_F_LSIGN

#define NUM_F_LSIGN   (1 << 6)

Definition at line 347 of file formatting.c.

NUM_F_MINUS

#define NUM_F_MINUS   (1 << 8)

Definition at line 349 of file formatting.c.

NUM_F_MINUS_POST

#define NUM_F_MINUS_POST   (1 << 13)

Definition at line 354 of file formatting.c.

NUM_F_MULTI

#define NUM_F_MULTI   (1 << 11)

Definition at line 352 of file formatting.c.

NUM_F_PLUS

#define NUM_F_PLUS   (1 << 9)

Definition at line 350 of file formatting.c.

NUM_F_PLUS_POST

#define NUM_F_PLUS_POST   (1 << 12)

Definition at line 353 of file formatting.c.

NUM_F_ROMAN

#define NUM_F_ROMAN   (1 << 10)

Definition at line 351 of file formatting.c.

NUM_F_ZERO

#define NUM_F_ZERO   (1 << 3)

Definition at line 344 of file formatting.c.

NUM_FLAG

#define NUM_FLAG   0x2 /* NUMBER flag */

Definition at line 141 of file formatting.c.

NUM_LSIGN_NONE

#define NUM_LSIGN_NONE   0

Definition at line 359 of file formatting.c.

NUM_LSIGN_POST

#define NUM_LSIGN_POST   1

Definition at line 358 of file formatting.c.

NUM_LSIGN_PRE

#define NUM_LSIGN_PRE   (-1)

Definition at line 357 of file formatting.c.

NUM_MAX_ITEM_SIZ

#define NUM_MAX_ITEM_SIZ   8 /* roman number (RN has 15 chars) */

Definition at line 156 of file formatting.c.

NUM_TOCHAR_finish

#define NUM_TOCHAR_finish

Value:

do { \
    int     len; \
									\
	NUM_processor(format, &Num, VARDATA(result), numstr, 0, out_pre_spaces, sign, true, PG_GET_COLLATION()); \
									\
	if (shouldFree)                    \
        pfree(format);              \
                                    \
    /*                              \
     * Convert null-terminated representation of result to standard text. \
     * The result is usually much bigger than it needs to be, but there \
     * seems little point in realloc'ing it smaller. \
     */                             \
    len = strlen(VARDATA(result));  \
    SET_VARSIZE(result, len + VARHDRSZ); \
} while (0)

Definition at line 6113 of file formatting.c.

NUM_TOCHAR_prepare

#define NUM_TOCHAR_prepare

Value:

do { \
    int len = VARSIZE_ANY_EXHDR(fmt); \
    if (len <= 0 || len >= (INT_MAX-VARHDRSZ)/NUM_MAX_ITEM_SIZ)     \
        PG_RETURN_TEXT_P(cstring_to_text("")); \
    result  = (text *) palloc0((len * NUM_MAX_ITEM_SIZ) + 1 + VARHDRSZ);    \
    format  = NUM_cache(len, &Num, fmt, &shouldFree);       \
} while (0)

Definition at line 6100 of file formatting.c.

OVERLOAD_TEST

#define OVERLOAD_TEST   (Np->inout_p >= Np->inout + input_len)

Definition at line 5193 of file formatting.c.

P_M_STR

#define P_M_STR   "P.M."

Definition at line 269 of file formatting.c.

p_m_STR

#define p_m_STR   "p.m."

Definition at line 270 of file formatting.c.

PM_STR

#define PM_STR   "PM"

Definition at line 271 of file formatting.c.

pm_STR

#define pm_STR   "pm"

Definition at line 272 of file formatting.c.

RETURN_ERROR

#define RETURN_ERROR

(

throw_error

)

Value:

do { \
    if (have_error) \
    { \
        *have_error = true; \
        goto on_error; \
    } \
    else \
    { \
        throw_error; \
    } \
} while (0)

Definition at line 117 of file formatting.c.

S_FM

#define S_FM

(

_s

)

(((_s) & DCH_S_FM) ? 1 : 0)

Definition at line 589 of file formatting.c.

S_SP

#define S_SP

(

_s

)

(((_s) & DCH_S_SP) ? 1 : 0)

Definition at line 590 of file formatting.c.

S_TH

#define S_TH

(

_s

)

(((_s) & DCH_S_TH) ? 1 : 0)

Definition at line 584 of file formatting.c.

S_th

#define S_th

(

_s

)

(((_s) & DCH_S_th) ? 1 : 0)

Definition at line 585 of file formatting.c.

S_TH_TYPE

#define S_TH_TYPE

(

_s

)

(((_s) & DCH_S_TH) ? TH_UPPER : TH_LOWER)

Definition at line 586 of file formatting.c.

S_THth

#define S_THth

(

_s

)

((((_s) & DCH_S_TH) || ((_s) & DCH_S_th)) ? 1 : 0)

Definition at line 583 of file formatting.c.

S_TM

#define S_TM

(

_s

)

(((_s) & DCH_S_TM) ? 1 : 0)

Definition at line 591 of file formatting.c.

SKIP_THth

#define SKIP_THth	(		ptr,
			_suf
	)

Value:

    do { \
        if (S_THth(_suf)) \
        { \
            if (*(ptr)) (ptr) += pg_mblen(ptr); \
            if (*(ptr)) (ptr) += pg_mblen(ptr); \
        } \
    } while (0)

Definition at line 2174 of file formatting.c.

STD_FLAG

#define STD_FLAG   0x4 /* STANDARD flag */

Definition at line 142 of file formatting.c.

SUFFTYPE_POSTFIX

#define SUFFTYPE_POSTFIX   2

Definition at line 209 of file formatting.c.

SUFFTYPE_PREFIX

#define SUFFTYPE_PREFIX   1

Definition at line 208 of file formatting.c.

TH_LOWER

#define TH_LOWER   2

Definition at line 319 of file formatting.c.

TH_UPPER

#define TH_UPPER   1

Definition at line 318 of file formatting.c.

TM_SUFFIX_LEN

#define TM_SUFFIX_LEN   2

Definition at line 597 of file formatting.c.

tmtcFsec

#define tmtcFsec

(

_X

)

((_X)->fsec)

Definition at line 522 of file formatting.c.

tmtcTm

#define tmtcTm

(

_X

)

(&(_X)->tm)

Definition at line 520 of file formatting.c.

tmtcTzn

#define tmtcTzn

(

_X

)

((_X)->tzn)

Definition at line 521 of file formatting.c.

ZERO_tm

#define ZERO_tm

(

_X

)

Value:

do {    \
    memset(_X, 0, sizeof(*(_X))); \
    (_X)->tm_mday = (_X)->tm_mon = 1; \
} while(0)

Definition at line 539 of file formatting.c.

ZERO_tmfc

#define ZERO_tmfc

(

_X

)

memset(_X, 0, sizeof(TmFromChar))

Definition at line 469 of file formatting.c.

ZERO_tmtc

#define ZERO_tmtc

(

_X

)

Value:

do { \
    ZERO_tm( tmtcTm(_X) ); \
    tmtcFsec(_X) = 0; \
    tmtcTzn(_X) = NULL; \
} while(0)

Definition at line 545 of file formatting.c.

zeroize_NUM

#define zeroize_NUM

(

_n

)

Value:

do { \
    (_n)->flag      = 0;    \
    (_n)->lsign     = 0;    \
    (_n)->pre       = 0;    \
    (_n)->post      = 0;    \
    (_n)->pre_lsign_num = 0;    \
    (_n)->need_locale   = 0;    \
    (_n)->multi     = 0;    \
    (_n)->zero_start    = 0;    \
    (_n)->zero_end      = 0;    \
} while(0)

Definition at line 4841 of file formatting.c.

Typedef Documentation

NUMProc

typedef struct NUMProc NUMProc

TmToChar

typedef struct TmToChar TmToChar

Enumeration Type Documentation

DCH_poz

enum DCH_poz

Enumerator
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_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_last_

Definition at line 640 of file formatting.c.

{
    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,                     /* global suffix */
    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_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,
 
    /* last */
    _DCH_last_
}           DCH_poz;

FromCharDateMode

enum FromCharDateMode

Enumerator
FROM_CHAR_DATE_NONE
FROM_CHAR_DATE_GREGORIAN
FROM_CHAR_DATE_ISOWEEK

Definition at line 178 of file formatting.c.

{
    FROM_CHAR_DATE_NONE = 0,    /* Value does not affect date mode. */
    FROM_CHAR_DATE_GREGORIAN,   /* Gregorian (day, month, year) style date */
    FROM_CHAR_DATE_ISOWEEK      /* ISO 8601 week date */
} FromCharDateMode;

NUM_poz

enum NUM_poz

Enumerator
NUM_COMMA
NUM_DEC
NUM_0
NUM_9
NUM_B
NUM_C
NUM_D
NUM_E
NUM_FM
NUM_G
NUM_L
NUM_MI
NUM_PL
NUM_PR
NUM_RN
NUM_SG
NUM_SP
NUM_S
NUM_TH
NUM_V
NUM_b
NUM_c
NUM_d
NUM_e
NUM_fm
NUM_g
NUM_l
NUM_mi
NUM_pl
NUM_pr
NUM_rn
NUM_sg
NUM_sp
NUM_s
NUM_th
NUM_v
_NUM_last_

Definition at line 759 of file formatting.c.

{
    NUM_COMMA,
    NUM_DEC,
    NUM_0,
    NUM_9,
    NUM_B,
    NUM_C,
    NUM_D,
    NUM_E,
    NUM_FM,
    NUM_G,
    NUM_L,
    NUM_MI,
    NUM_PL,
    NUM_PR,
    NUM_RN,
    NUM_SG,
    NUM_SP,
    NUM_S,
    NUM_TH,
    NUM_V,
    NUM_b,
    NUM_c,
    NUM_d,
    NUM_e,
    NUM_fm,
    NUM_g,
    NUM_l,
    NUM_mi,
    NUM_pl,
    NUM_pr,
    NUM_rn,
    NUM_sg,
    NUM_sp,
    NUM_s,
    NUM_th,
    NUM_v,
 
    /* last */
    _NUM_last_
}           NUM_poz;

Function Documentation

adjust_partial_year_to_2020()

static int adjust_partial_year_to_2020 ( int  year )

static

Definition at line 2255 of file formatting.c.

{
    /*
     * Adjust all dates toward 2020; this is effectively what happens when we
     * assume '70' is 1970 and '69' is 2069.
     */
    /* Force 0-69 into the 2000's */
    if (year < 70)
        return year + 2000;
    /* Force 70-99 into the 1900's */
    else if (year < 100)
        return year + 1900;
    /* Force 100-519 into the 2000's */
    else if (year < 520)
        return year + 2000;
    /* Force 520-999 into the 1000's */
    else if (year < 1000)
        return year + 1000;
    else
        return year;
}

Referenced by DCH_from_char().

asc_initcap()

char* asc_initcap	(	const char *	buff,
		size_t	nbytes
	)

Definition at line 2105 of file formatting.c.

{
    char       *result;
    char       *p;
    int         wasalnum = false;
 
    if (!buff)
        return NULL;
 
    result = pnstrdup(buff, nbytes);
 
    for (p = result; *p; p++)
    {
        char        c;
 
        if (wasalnum)
            *p = c = pg_ascii_tolower((unsigned char) *p);
        else
            *p = c = pg_ascii_toupper((unsigned char) *p);
        /* we don't trust isalnum() here */
        wasalnum = ((c >= 'A' && c <= 'Z') ||
                    (c >= 'a' && c <= 'z') ||
                    (c >= '0' && c <= '9'));
    }
 
    return result;
}

References pg_ascii_tolower(), pg_ascii_toupper(), and pnstrdup().

Referenced by str_initcap().

asc_tolower()

char* asc_tolower	(	const char *	buff,
		size_t	nbytes
	)

Definition at line 2059 of file formatting.c.

{
    char       *result;
    char       *p;
 
    if (!buff)
        return NULL;
 
    result = pnstrdup(buff, nbytes);
 
    for (p = result; *p; p++)
        *p = pg_ascii_tolower((unsigned char) *p);
 
    return result;
}

References pg_ascii_tolower(), and pnstrdup().

Referenced by asc_tolower_z(), and str_tolower().

asc_tolower_z()

static char* asc_tolower_z ( const char *  buff )

static

Definition at line 2154 of file formatting.c.

{
    return asc_tolower(buff, strlen(buff));
}

References asc_tolower().

Referenced by DCH_to_char(), and NUM_processor().

asc_toupper()

char* asc_toupper	(	const char *	buff,
		size_t	nbytes
	)

Definition at line 2082 of file formatting.c.

{
    char       *result;
    char       *p;
 
    if (!buff)
        return NULL;
 
    result = pnstrdup(buff, nbytes);
 
    for (p = result; *p; p++)
        *p = pg_ascii_toupper((unsigned char) *p);
 
    return result;
}

References pg_ascii_toupper(), and pnstrdup().

Referenced by asc_toupper_z(), and str_toupper().

asc_toupper_z()

static char* asc_toupper_z ( const char *  buff )

static

Definition at line 2160 of file formatting.c.

{
    return asc_toupper(buff, strlen(buff));
}

References asc_toupper().

Referenced by DCH_to_char().

datetime_format_flags()

int datetime_format_flags	(	const char *	fmt_str,
		bool *	have_error
	)

Definition at line 6716 of file formatting.c.

{
    bool        incache;
    int         fmt_len = strlen(fmt_str);
    int         result;
    FormatNode *format;
 
    if (fmt_len > DCH_CACHE_SIZE)
    {
        /*
         * Allocate new memory if format picture is bigger than static cache
         * and do not use cache (call parser always)
         */
        incache = false;
 
        format = (FormatNode *) palloc((fmt_len + 1) * sizeof(FormatNode));
 
        parse_format(format, fmt_str, DCH_keywords,
                     DCH_suff, DCH_index, DCH_FLAG, NULL);
    }
    else
    {
        /*
         * Use cache buffers
         */
        DCHCacheEntry *ent = DCH_cache_fetch(fmt_str, false);
 
        incache = true;
        format = ent->format;
    }
 
    result = DCH_datetime_type(format, have_error);
 
    if (!incache)

Referenced by jspIsMutableWalker().

datetime_to_char_body()

static text* datetime_to_char_body ( TmToChar *  tmtc, text *  fmt, bool  is_interval, Oid  collid  )

static

Definition at line 4048 of file formatting.c.

{
    FormatNode *format;
    char       *fmt_str,
               *result;
    bool        incache;
    int         fmt_len;
    text       *res;
 
    /*
     * Convert fmt to C string
     */
    fmt_str = text_to_cstring(fmt);
    fmt_len = strlen(fmt_str);
 
    /*
     * Allocate workspace for result as C string
     */
    result = palloc((fmt_len * DCH_MAX_ITEM_SIZ) + 1);
    *result = '\0';
 
    if (fmt_len > DCH_CACHE_SIZE)
    {
        /*
         * Allocate new memory if format picture is bigger than static cache
         * and do not use cache (call parser always)
         */
        incache = false;
 
        format = (FormatNode *) palloc((fmt_len + 1) * sizeof(FormatNode));
 
        parse_format(format, fmt_str, DCH_keywords,
                     DCH_suff, DCH_index, DCH_FLAG, NULL);
    }
    else
    {
        /*
         * Use cache buffers
         */
        DCHCacheEntry *ent = DCH_cache_fetch(fmt_str, false);
 
        incache = true;
        format = ent->format;
    }
 
    /* The real work is here */
    DCH_to_char(format, is_interval, tmtc, result, collid);
 
    if (!incache)
        pfree(format);
 
    pfree(fmt_str);
 
    /* convert C-string result to TEXT format */
    res = cstring_to_text(result);
 
    pfree(result);
    return res;
}

References cstring_to_text(), DCH_cache_fetch(), DCH_CACHE_SIZE, DCH_FLAG, DCH_index, DCH_keywords, DCH_MAX_ITEM_SIZ, DCH_suff, DCH_to_char(), fmt, DCHCacheEntry::format, format, palloc(), parse_format(), pfree(), res, and text_to_cstring().

Referenced by interval_to_char(), timestamp_to_char(), and timestamptz_to_char().

DCH_cache_fetch()

static DCHCacheEntry * DCH_cache_fetch ( const char *  str, bool  std  )

static

Definition at line 4021 of file formatting.c.

{
    DCHCacheEntry *ent;
 
    if ((ent = DCH_cache_search(str, std)) == NULL)
    {
        /*
         * Not in the cache, must run parser and save a new format-picture to
         * the cache.  Do not mark the cache entry valid until parsing
         * succeeds.
         */
        ent = DCH_cache_getnew(str, std);
 
        parse_format(ent->format, str, DCH_keywords, DCH_suff, DCH_index,
                     DCH_FLAG | (std ? STD_FLAG : 0), NULL);
 
        ent->valid = true;
    }
    return ent;
}

References DCH_cache_getnew(), DCH_cache_search(), DCH_FLAG, DCH_index, DCH_keywords, DCH_suff, DCHCacheEntry::format, parse_format(), STD_FLAG, generate_unaccent_rules::str, and DCHCacheEntry::valid.

Referenced by datetime_to_char_body(), and do_to_timestamp().

DCH_cache_getnew()

static DCHCacheEntry * DCH_cache_getnew ( const char *  str, bool  std  )

static

Definition at line 3940 of file formatting.c.

{
    DCHCacheEntry *ent;
 
    /* Ensure we can advance DCHCounter below */
    DCH_prevent_counter_overflow();
 
    /*
     * If cache is full, remove oldest entry (or recycle first not-valid one)
     */
    if (n_DCHCache >= DCH_CACHE_ENTRIES)
    {
        DCHCacheEntry *old = DCHCache[0];
 
#ifdef DEBUG_TO_FROM_CHAR
        elog(DEBUG_elog_output, "cache is full (%d)", n_DCHCache);
#endif
        if (old->valid)
        {
            for (int i = 1; i < DCH_CACHE_ENTRIES; i++)
            {
                ent = DCHCache[i];
                if (!ent->valid)
                {
                    old = ent;
                    break;
                }
                if (ent->age < old->age)
                    old = ent;
            }
        }
#ifdef DEBUG_TO_FROM_CHAR
        elog(DEBUG_elog_output, "OLD: '%s' AGE: %d", old->str, old->age);
#endif
        old->valid = false;
        strlcpy(old->str, str, DCH_CACHE_SIZE + 1);
        old->age = (++DCHCounter);
        /* caller is expected to fill format, then set valid */
        return old;
    }
    else
    {
#ifdef DEBUG_TO_FROM_CHAR
        elog(DEBUG_elog_output, "NEW (%d)", n_DCHCache);
#endif
        Assert(DCHCache[n_DCHCache] == NULL);
        DCHCache[n_DCHCache] = ent = (DCHCacheEntry *)
            MemoryContextAllocZero(TopMemoryContext, sizeof(DCHCacheEntry));
        ent->valid = false;
        strlcpy(ent->str, str, DCH_CACHE_SIZE + 1);
        ent->std = std;
        ent->age = (++DCHCounter);
        /* caller is expected to fill format, then set valid */
        ++n_DCHCache;
        return ent;
    }
}

References DCHCacheEntry::age, Assert(), DCH_CACHE_ENTRIES, DCH_CACHE_SIZE, DCH_prevent_counter_overflow(), DCHCache, DCHCounter, elog, i, MemoryContextAllocZero(), n_DCHCache, DCHCacheEntry::std, generate_unaccent_rules::str, DCHCacheEntry::str, strlcpy(), TopMemoryContext, and DCHCacheEntry::valid.

Referenced by DCH_cache_fetch().

DCH_cache_search()

static DCHCacheEntry * DCH_cache_search ( const char *  str, bool  std  )

static

Definition at line 4000 of file formatting.c.

{
    /* Ensure we can advance DCHCounter below */
    DCH_prevent_counter_overflow();
 
    for (int i = 0; i < n_DCHCache; i++)
    {
        DCHCacheEntry *ent = DCHCache[i];
 
        if (ent->valid && strcmp(ent->str, str) == 0 && ent->std == std)
        {
            ent->age = (++DCHCounter);
            return ent;
        }
    }
 
    return NULL;
}

References DCHCacheEntry::age, DCH_prevent_counter_overflow(), DCHCache, DCHCounter, i, n_DCHCache, DCHCacheEntry::std, generate_unaccent_rules::str, DCHCacheEntry::str, and DCHCacheEntry::valid.

Referenced by DCH_cache_fetch().

DCH_datetime_type()

static int DCH_datetime_type ( FormatNode *  node, bool *  have_error  )

static

Definition at line 3836 of file formatting.c.

{
    FormatNode *n;
    int         flags = 0;
 
    for (n = node; n->type != NODE_TYPE_END; n++)
    {
        if (n->type != NODE_TYPE_ACTION)
            continue;
 
        switch (n->key->id)
        {
            case DCH_FX:
                break;
            case DCH_A_M:
            case DCH_P_M:
            case DCH_a_m:
            case DCH_p_m:
            case DCH_AM:
            case DCH_PM:
            case DCH_am:
            case DCH_pm:
            case DCH_HH:
            case DCH_HH12:
            case DCH_HH24:
            case DCH_MI:
            case DCH_SS:
            case DCH_MS:        /* millisecond */
            case DCH_US:        /* microsecond */
            case DCH_FF1:
            case DCH_FF2:
            case DCH_FF3:
            case DCH_FF4:
            case DCH_FF5:
            case DCH_FF6:
            case DCH_SSSS:
                flags |= DCH_TIMED;
                break;
            case DCH_tz:
            case DCH_TZ:
            case DCH_OF:
                RETURN_ERROR(ereport(ERROR,
                                     (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
                                      errmsg("formatting field \"%s\" is only supported in to_char",
                                             n->key->name))));
                flags |= DCH_ZONED;
                break;
            case DCH_TZH:
            case DCH_TZM:
                flags |= DCH_ZONED;
                break;
            case DCH_A_D:
            case DCH_B_C:
            case DCH_a_d:
            case DCH_b_c:
            case DCH_AD:
            case DCH_BC:
            case DCH_ad:
            case DCH_bc:
            case DCH_MONTH:
            case DCH_Month:
            case DCH_month:
            case DCH_MON:
            case DCH_Mon:
            case DCH_mon:
            case DCH_MM:
            case DCH_DAY:
            case DCH_Day:
            case DCH_day:
            case DCH_DY:
            case DCH_Dy:
            case DCH_dy:
            case DCH_DDD:
            case DCH_IDDD:
            case DCH_DD:
            case DCH_D:
            case DCH_ID:
            case DCH_WW:
            case DCH_Q:
            case DCH_CC:
            case DCH_Y_YYY:
            case DCH_YYYY:
            case DCH_IYYY:
            case DCH_YYY:
            case DCH_IYY:
            case DCH_YY:
            case DCH_IY:
            case DCH_Y:
            case DCH_I:
            case DCH_RM:
            case DCH_rm:
            case DCH_W:
            case DCH_J:
                flags |= DCH_DATED;
                break;
        }
    }
 
on_error:
    return flags;
}

References DCH_A_D, DCH_a_d, DCH_A_M, DCH_a_m, DCH_AD, DCH_ad, DCH_AM, DCH_am, DCH_B_C, DCH_b_c, DCH_BC, DCH_bc, DCH_CC, DCH_D, DCH_DATED, DCH_DAY, DCH_Day, DCH_day, DCH_DD, DCH_DDD, DCH_DY, DCH_Dy, DCH_dy, DCH_FF1, DCH_FF2, DCH_FF3, DCH_FF4, DCH_FF5, DCH_FF6, DCH_FX, DCH_HH, DCH_HH12, DCH_HH24, DCH_I, DCH_ID, DCH_IDDD, DCH_IY, DCH_IYY, DCH_IYYY, DCH_J, DCH_MI, DCH_MM, DCH_MON, DCH_Mon, DCH_mon, DCH_MONTH, DCH_Month, DCH_month, DCH_MS, DCH_OF, DCH_P_M, DCH_p_m, DCH_PM, DCH_pm, DCH_Q, DCH_RM, DCH_rm, DCH_SS, DCH_SSSS, DCH_TIMED, DCH_TZ, DCH_tz, DCH_TZH, DCH_TZM, DCH_US, DCH_W, DCH_WW, DCH_Y, DCH_Y_YYY, DCH_YY, DCH_YYY, DCH_YYYY, DCH_ZONED, ereport, errcode(), errmsg(), ERROR, KeyWord::id, FormatNode::key, KeyWord::name, NODE_TYPE_ACTION, NODE_TYPE_END, RETURN_ERROR, and FormatNode::type.

Referenced by do_to_timestamp().

DCH_from_char()

static void DCH_from_char ( FormatNode *  node, const char *  in, TmFromChar *  out, Oid  collid, bool  std, bool *  have_error  )

static

Definition at line 3322 of file formatting.c.

{
    FormatNode *n;
    const char *s;
    int         len,
                value;
    bool        fx_mode = std;
 
    /* number of extra skipped characters (more than given in format string) */
    int         extra_skip = 0;
 
    /* cache localized days and months */
    cache_locale_time();
 
    for (n = node, s = in; n->type != NODE_TYPE_END && *s != '\0'; n++)
    {
        /*
         * Ignore spaces at the beginning of the string and before fields when
         * not in FX (fixed width) mode.
         */
        if (!fx_mode && (n->type != NODE_TYPE_ACTION || n->key->id != DCH_FX) &&
            (n->type == NODE_TYPE_ACTION || n == node))
        {
            while (*s != '\0' && isspace((unsigned char) *s))
            {
                s++;
                extra_skip++;
            }
        }
 
        if (n->type == NODE_TYPE_SPACE || n->type == NODE_TYPE_SEPARATOR)
        {
            if (std)
            {
                /*
                 * Standard mode requires strict matching between format
                 * string separators/spaces and input string.
                 */
                Assert(n->character[0] && !n->character[1]);
 
                if (*s == n->character[0])
                    s++;
                else
                    RETURN_ERROR(ereport(ERROR,
                                         (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                          errmsg("unmatched format separator \"%c\"",
                                                 n->character[0]))));
            }
            else if (!fx_mode)
            {
                /*
                 * In non FX (fixed format) mode one format string space or
                 * separator match to one space or separator in input string.
                 * Or match nothing if there is no space or separator in the
                 * current position of input string.
                 */
                extra_skip--;
                if (isspace((unsigned char) *s) || is_separator_char(s))
                {
                    s++;
                    extra_skip++;
                }
            }
            else
            {
                /*
                 * In FX mode, on format string space or separator we consume
                 * exactly one character from input string.  Notice we don't
                 * insist that the consumed character match the format's
                 * character.
                 */
                s += pg_mblen(s);
            }
            continue;
        }
        else if (n->type != NODE_TYPE_ACTION)
        {
            /*
             * Text character, so consume one character from input string.
             * Notice we don't insist that the consumed character match the
             * format's character.
             */
            if (!fx_mode)
            {
                /*
                 * In non FX mode we might have skipped some extra characters
                 * (more than specified in format string) before.  In this
                 * case we don't skip input string character, because it might
                 * be part of field.
                 */
                if (extra_skip > 0)
                    extra_skip--;
                else
                    s += pg_mblen(s);
            }
            else
            {
                int         chlen = pg_mblen(s);
 
                /*
                 * Standard mode requires strict match of format characters.
                 */
                if (std && n->type == NODE_TYPE_CHAR &&
                    strncmp(s, n->character, chlen) != 0)
                    RETURN_ERROR(ereport(ERROR,
                                         (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                          errmsg("unmatched format character \"%s\"",
                                                 n->character))));
 
                s += chlen;
            }
            continue;
        }
 
        from_char_set_mode(out, n->key->date_mode, have_error);
        CHECK_ERROR;
 
        switch (n->key->id)
        {
            case DCH_FX:
                fx_mode = true;
                break;
            case DCH_A_M:
            case DCH_P_M:
            case DCH_a_m:
            case DCH_p_m:
                from_char_seq_search(&value, &s, ampm_strings_long,
                                     NULL, InvalidOid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->pm, value % 2, n, have_error);
                CHECK_ERROR;
                out->clock = CLOCK_12_HOUR;
                break;
            case DCH_AM:
            case DCH_PM:
            case DCH_am:
            case DCH_pm:
                from_char_seq_search(&value, &s, ampm_strings,
                                     NULL, InvalidOid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->pm, value % 2, n, have_error);
                CHECK_ERROR;
                out->clock = CLOCK_12_HOUR;
                break;
            case DCH_HH:
            case DCH_HH12:
                from_char_parse_int_len(&out->hh, &s, 2, n, have_error);
                CHECK_ERROR;
                out->clock = CLOCK_12_HOUR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_HH24:
                from_char_parse_int_len(&out->hh, &s, 2, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_MI:
                from_char_parse_int(&out->mi, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_SS:
                from_char_parse_int(&out->ss, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_MS:        /* millisecond */
                len = from_char_parse_int_len(&out->ms, &s, 3, n, have_error);
                CHECK_ERROR;
 
                /*
                 * 25 is 0.25 and 250 is 0.25 too; 025 is 0.025 and not 0.25
                 */
                out->ms *= len == 1 ? 100 :
                    len == 2 ? 10 : 1;
 
                SKIP_THth(s, n->suffix);
                break;
            case DCH_FF1:
            case DCH_FF2:
            case DCH_FF3:
            case DCH_FF4:
            case DCH_FF5:
            case DCH_FF6:
                out->ff = n->key->id - DCH_FF1 + 1;
                /* fall through */
            case DCH_US:        /* microsecond */
                len = from_char_parse_int_len(&out->us, &s,
                                              n->key->id == DCH_US ? 6 :
                                              out->ff, n, have_error);
                CHECK_ERROR;
 
                out->us *= len == 1 ? 100000 :
                    len == 2 ? 10000 :
                    len == 3 ? 1000 :
                    len == 4 ? 100 :
                    len == 5 ? 10 : 1;
 
                SKIP_THth(s, n->suffix);
                break;
            case DCH_SSSS:
                from_char_parse_int(&out->ssss, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_tz:
            case DCH_TZ:
            case DCH_OF:
                RETURN_ERROR(ereport(ERROR,
                                     (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
                                      errmsg("formatting field \"%s\" is only supported in to_char",
                                             n->key->name))));
                CHECK_ERROR;
                break;
            case DCH_TZH:
 
                /*
                 * Value of TZH might be negative.  And the issue is that we
                 * might swallow minus sign as the separator.  So, if we have
                 * skipped more characters than specified in the format
                 * string, then we consider prepending last skipped minus to
                 * TZH.
                 */
                if (*s == '+' || *s == '-' || *s == ' ')
                {
                    out->tzsign = *s == '-' ? -1 : +1;
                    s++;
                }
                else
                {
                    if (extra_skip > 0 && *(s - 1) == '-')
                        out->tzsign = -1;
                    else
                        out->tzsign = +1;
                }
 
                from_char_parse_int_len(&out->tzh, &s, 2, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_TZM:
                /* assign positive timezone sign if TZH was not seen before */
                if (!out->tzsign)
                    out->tzsign = +1;
                from_char_parse_int_len(&out->tzm, &s, 2, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_A_D:
            case DCH_B_C:
            case DCH_a_d:
            case DCH_b_c:
                from_char_seq_search(&value, &s, adbc_strings_long,
                                     NULL, InvalidOid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->bc, value % 2, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_AD:
            case DCH_BC:
            case DCH_ad:
            case DCH_bc:
                from_char_seq_search(&value, &s, adbc_strings,
                                     NULL, InvalidOid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->bc, value % 2, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_MONTH:
            case DCH_Month:
            case DCH_month:
                from_char_seq_search(&value, &s, months_full,
                                     S_TM(n->suffix) ? localized_full_months : NULL,
                                     collid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->mm, value + 1, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_MON:
            case DCH_Mon:
            case DCH_mon:
                from_char_seq_search(&value, &s, months,
                                     S_TM(n->suffix) ? localized_abbrev_months : NULL,
                                     collid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->mm, value + 1, n, have_error);
                CHECK_ERROR;
                break;
            case DCH_MM:
                from_char_parse_int(&out->mm, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_DAY:
            case DCH_Day:
            case DCH_day:
                from_char_seq_search(&value, &s, days,
                                     S_TM(n->suffix) ? localized_full_days : NULL,
                                     collid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->d, value, n, have_error);
                CHECK_ERROR;
                out->d++;
                break;
            case DCH_DY:
            case DCH_Dy:
            case DCH_dy:
                from_char_seq_search(&value, &s, days_short,
                                     S_TM(n->suffix) ? localized_abbrev_days : NULL,
                                     collid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->d, value, n, have_error);
                CHECK_ERROR;
                out->d++;
                break;
            case DCH_DDD:
                from_char_parse_int(&out->ddd, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_IDDD:
                from_char_parse_int_len(&out->ddd, &s, 3, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_DD:
                from_char_parse_int(&out->dd, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_D:
                from_char_parse_int(&out->d, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_ID:
                from_char_parse_int_len(&out->d, &s, 1, n, have_error);
                CHECK_ERROR;
                /* Shift numbering to match Gregorian where Sunday = 1 */
                if (++out->d > 7)
                    out->d = 1;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_WW:
            case DCH_IW:
                from_char_parse_int(&out->ww, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_Q:
 
                /*
                 * We ignore 'Q' when converting to date because it is unclear
                 * which date in the quarter to use, and some people specify
                 * both quarter and month, so if it was honored it might
                 * conflict with the supplied month. That is also why we don't
                 * throw an error.
                 *
                 * We still parse the source string for an integer, but it
                 * isn't stored anywhere in 'out'.
                 */
                from_char_parse_int((int *) NULL, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_CC:
                from_char_parse_int(&out->cc, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_Y_YYY:
                {
                    int         matched,
                                years,
                                millennia,
                                nch;
 
                    matched = sscanf(s, "%d,%03d%n", &millennia, &years, &nch);
                    if (matched < 2)
                        RETURN_ERROR(ereport(ERROR,
                                             (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                              errmsg("invalid input string for \"Y,YYY\""))));
                    years += (millennia * 1000);
                    from_char_set_int(&out->year, years, n, have_error);
                    CHECK_ERROR;
                    out->yysz = 4;
                    s += nch;
                    SKIP_THth(s, n->suffix);
                }
                break;
            case DCH_YYYY:
            case DCH_IYYY:
                from_char_parse_int(&out->year, &s, n, have_error);
                CHECK_ERROR;
                out->yysz = 4;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_YYY:
            case DCH_IYY:
                len = from_char_parse_int(&out->year, &s, n, have_error);
                CHECK_ERROR;
                if (len < 4)
                    out->year = adjust_partial_year_to_2020(out->year);
                out->yysz = 3;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_YY:
            case DCH_IY:
                len = from_char_parse_int(&out->year, &s, n, have_error);
                CHECK_ERROR;
                if (len < 4)
                    out->year = adjust_partial_year_to_2020(out->year);
                out->yysz = 2;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_Y:
            case DCH_I:
                len = from_char_parse_int(&out->year, &s, n, have_error);
                CHECK_ERROR;
                if (len < 4)
                    out->year = adjust_partial_year_to_2020(out->year);
                out->yysz = 1;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_RM:
            case DCH_rm:
                from_char_seq_search(&value, &s, rm_months_lower,
                                     NULL, InvalidOid,
                                     n, have_error);
                CHECK_ERROR;
                from_char_set_int(&out->mm, MONTHS_PER_YEAR - value,
                                  n, have_error);
                CHECK_ERROR;
                break;
            case DCH_W:
                from_char_parse_int(&out->w, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
            case DCH_J:
                from_char_parse_int(&out->j, &s, n, have_error);
                CHECK_ERROR;
                SKIP_THth(s, n->suffix);
                break;
        }
 
        /* Ignore all spaces after fields */
        if (!fx_mode)
        {
            extra_skip = 0;
            while (*s != '\0' && isspace((unsigned char) *s))
            {
                s++;
                extra_skip++;
            }
        }
    }
 
    /*
     * Standard parsing mode doesn't allow unmatched format patterns or
     * trailing characters in the input string.
     */
    if (std)
    {
        if (n->type != NODE_TYPE_END)
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("input string is too short for datetime format"))));
 
        while (*s != '\0' && isspace((unsigned char) *s))
            s++;
 
        if (*s != '\0')
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("trailing characters remain in input string "
                                         "after datetime format"))));
    }
 
on_error:
    return;
}

References adbc_strings, adbc_strings_long, adjust_partial_year_to_2020(), ampm_strings, ampm_strings_long, Assert(), TmFromChar::bc, cache_locale_time(), TmFromChar::cc, FormatNode::character, CHECK_ERROR, TmFromChar::clock, CLOCK_12_HOUR, TmFromChar::d, KeyWord::date_mode, days, days_short, DCH_A_D, DCH_a_d, DCH_A_M, DCH_a_m, DCH_AD, DCH_ad, DCH_AM, DCH_am, DCH_B_C, DCH_b_c, DCH_BC, DCH_bc, DCH_CC, DCH_D, DCH_DAY, DCH_Day, DCH_day, DCH_DD, DCH_DDD, DCH_DY, DCH_Dy, DCH_dy, DCH_FF1, DCH_FF2, DCH_FF3, DCH_FF4, DCH_FF5, DCH_FF6, DCH_FX, DCH_HH, DCH_HH12, DCH_HH24, DCH_I, DCH_ID, DCH_IDDD, DCH_IW, DCH_IY, DCH_IYY, DCH_IYYY, DCH_J, DCH_MI, DCH_MM, DCH_MON, DCH_Mon, DCH_mon, DCH_MONTH, DCH_Month, DCH_month, DCH_MS, DCH_OF, DCH_P_M, DCH_p_m, DCH_PM, DCH_pm, DCH_Q, DCH_RM, DCH_rm, DCH_SS, DCH_SSSS, DCH_TZ, DCH_tz, DCH_TZH, DCH_TZM, DCH_US, DCH_W, DCH_WW, DCH_Y, DCH_Y_YYY, DCH_YY, DCH_YYY, DCH_YYYY, TmFromChar::dd, TmFromChar::ddd, ereport, errcode(), errmsg(), ERROR, TmFromChar::ff, from_char_parse_int(), from_char_parse_int_len(), from_char_seq_search(), from_char_set_int(), from_char_set_mode(), TmFromChar::hh, KeyWord::id, InvalidOid, is_separator_char(), TmFromChar::j, FormatNode::key, len, localized_abbrev_days, localized_abbrev_months, localized_full_days, localized_full_months, TmFromChar::mi, TmFromChar::mm, months, months_full, MONTHS_PER_YEAR, TmFromChar::ms, KeyWord::name, NODE_TYPE_ACTION, NODE_TYPE_CHAR, NODE_TYPE_END, NODE_TYPE_SEPARATOR, NODE_TYPE_SPACE, pg_mblen(), TmFromChar::pm, RETURN_ERROR, rm_months_lower, S_TM, SKIP_THth, TmFromChar::ss, TmFromChar::ssss, FormatNode::suffix, FormatNode::type, TmFromChar::tzh, TmFromChar::tzm, TmFromChar::tzsign, TmFromChar::us, value, TmFromChar::w, TmFromChar::ww, TmFromChar::year, and TmFromChar::yysz.

Referenced by do_to_timestamp().

DCH_prevent_counter_overflow()

static void DCH_prevent_counter_overflow ( void  )

inlinestatic

Definition at line 3820 of file formatting.c.

{
    if (DCHCounter >= (INT_MAX - 1))
    {
        for (int i = 0; i < n_DCHCache; i++)
            DCHCache[i]->age >>= 1;
        DCHCounter >>= 1;
    }
}

References DCHCache, DCHCounter, i, and n_DCHCache.

Referenced by DCH_cache_getnew(), and DCH_cache_search().

DCH_to_char()

static void DCH_to_char ( FormatNode *  node, bool  is_interval, TmToChar *  in, char *  out, Oid  collid  )

static

Definition at line 2678 of file formatting.c.

{
    FormatNode *n;
    char       *s;
    struct fmt_tm *tm = &in->tm;
    int         i;
 
    /* cache localized days and months */
    cache_locale_time();
 
    s = out;
    for (n = node; n->type != NODE_TYPE_END; n++)
    {
        if (n->type != NODE_TYPE_ACTION)
        {
            strcpy(s, n->character);
            s += strlen(s);
            continue;
        }
 
        switch (n->key->id)
        {
            case DCH_A_M:
            case DCH_P_M:
                strcpy(s, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
                       ? P_M_STR : A_M_STR);
                s += strlen(s);
                break;
            case DCH_AM:
            case DCH_PM:
                strcpy(s, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
                       ? PM_STR : AM_STR);
                s += strlen(s);
                break;
            case DCH_a_m:
            case DCH_p_m:
                strcpy(s, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
                       ? p_m_STR : a_m_STR);
                s += strlen(s);
                break;
            case DCH_am:
            case DCH_pm:
                strcpy(s, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
                       ? pm_STR : am_STR);
                s += strlen(s);
                break;
            case DCH_HH:
            case DCH_HH12:
 
                /*
                 * display time as shown on a 12-hour clock, even for
                 * intervals
                 */
                sprintf(s, "%0*lld", S_FM(n->suffix) ? 0 : (tm->tm_hour >= 0) ? 2 : 3,
                        tm->tm_hour % (HOURS_PER_DAY / 2) == 0 ?
                        (long long) (HOURS_PER_DAY / 2) :
                        (long long) (tm->tm_hour % (HOURS_PER_DAY / 2)));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_HH24:
                sprintf(s, "%0*lld", S_FM(n->suffix) ? 0 : (tm->tm_hour >= 0) ? 2 : 3,
                        (long long) tm->tm_hour);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_MI:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : (tm->tm_min >= 0) ? 2 : 3,
                        tm->tm_min);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_SS:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : (tm->tm_sec >= 0) ? 2 : 3,
                        tm->tm_sec);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
 
#define DCH_to_char_fsec(frac_fmt, frac_val) \
                sprintf(s, frac_fmt, (int) (frac_val)); \
                if (S_THth(n->suffix)) \
                    str_numth(s, s, S_TH_TYPE(n->suffix)); \
                s += strlen(s)
 
            case DCH_FF1:       /* tenth of second */
                DCH_to_char_fsec("%01d", in->fsec / 100000);
                break;
            case DCH_FF2:       /* hundredth of second */
                DCH_to_char_fsec("%02d", in->fsec / 10000);
                break;
            case DCH_FF3:
            case DCH_MS:        /* millisecond */
                DCH_to_char_fsec("%03d", in->fsec / 1000);
                break;
            case DCH_FF4:       /* tenth of a millisecond */
                DCH_to_char_fsec("%04d", in->fsec / 100);
                break;
            case DCH_FF5:       /* hundredth of a millisecond */
                DCH_to_char_fsec("%05d", in->fsec / 10);
                break;
            case DCH_FF6:
            case DCH_US:        /* microsecond */
                DCH_to_char_fsec("%06d", in->fsec);
                break;
#undef DCH_to_char_fsec
            case DCH_SSSS:
                sprintf(s, "%lld",
                        (long long) (tm->tm_hour * SECS_PER_HOUR +
                                     tm->tm_min * SECS_PER_MINUTE +
                                     tm->tm_sec));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_tz:
                INVALID_FOR_INTERVAL;
                if (tmtcTzn(in))
                {
                    /* We assume here that timezone names aren't localized */
                    char       *p = asc_tolower_z(tmtcTzn(in));
 
                    strcpy(s, p);
                    pfree(p);
                    s += strlen(s);
                }
                break;
            case DCH_TZ:
                INVALID_FOR_INTERVAL;
                if (tmtcTzn(in))
                {
                    strcpy(s, tmtcTzn(in));
                    s += strlen(s);
                }
                break;
            case DCH_TZH:
                INVALID_FOR_INTERVAL;
                sprintf(s, "%c%02d",
                        (tm->tm_gmtoff >= 0) ? '+' : '-',
                        abs((int) tm->tm_gmtoff) / SECS_PER_HOUR);
                s += strlen(s);
                break;
            case DCH_TZM:
                INVALID_FOR_INTERVAL;
                sprintf(s, "%02d",
                        (abs((int) tm->tm_gmtoff) % SECS_PER_HOUR) / SECS_PER_MINUTE);
                s += strlen(s);
                break;
            case DCH_OF:
                INVALID_FOR_INTERVAL;
                sprintf(s, "%c%0*d",
                        (tm->tm_gmtoff >= 0) ? '+' : '-',
                        S_FM(n->suffix) ? 0 : 2,
                        abs((int) tm->tm_gmtoff) / SECS_PER_HOUR);
                s += strlen(s);
                if (abs((int) tm->tm_gmtoff) % SECS_PER_HOUR != 0)
                {
                    sprintf(s, ":%02d",
                            (abs((int) tm->tm_gmtoff) % SECS_PER_HOUR) / SECS_PER_MINUTE);
                    s += strlen(s);
                }
                break;
            case DCH_A_D:
            case DCH_B_C:
                INVALID_FOR_INTERVAL;
                strcpy(s, (tm->tm_year <= 0 ? B_C_STR : A_D_STR));
                s += strlen(s);
                break;
            case DCH_AD:
            case DCH_BC:
                INVALID_FOR_INTERVAL;
                strcpy(s, (tm->tm_year <= 0 ? BC_STR : AD_STR));
                s += strlen(s);
                break;
            case DCH_a_d:
            case DCH_b_c:
                INVALID_FOR_INTERVAL;
                strcpy(s, (tm->tm_year <= 0 ? b_c_STR : a_d_STR));
                s += strlen(s);
                break;
            case DCH_ad:
            case DCH_bc:
                INVALID_FOR_INTERVAL;
                strcpy(s, (tm->tm_year <= 0 ? bc_STR : ad_STR));
                s += strlen(s);
                break;
            case DCH_MONTH:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_toupper_z(localized_full_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            asc_toupper_z(months_full[tm->tm_mon - 1]));
                s += strlen(s);
                break;
            case DCH_Month:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_initcap_z(localized_full_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            months_full[tm->tm_mon - 1]);
                s += strlen(s);
                break;
            case DCH_month:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_tolower_z(localized_full_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            asc_tolower_z(months_full[tm->tm_mon - 1]));
                s += strlen(s);
                break;
            case DCH_MON:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_toupper_z(localized_abbrev_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, asc_toupper_z(months[tm->tm_mon - 1]));
                s += strlen(s);
                break;
            case DCH_Mon:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_initcap_z(localized_abbrev_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, months[tm->tm_mon - 1]);
                s += strlen(s);
                break;
            case DCH_mon:
                INVALID_FOR_INTERVAL;
                if (!tm->tm_mon)
                    break;
                if (S_TM(n->suffix))
                {
                    char       *str = str_tolower_z(localized_abbrev_months[tm->tm_mon - 1], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, asc_tolower_z(months[tm->tm_mon - 1]));
                s += strlen(s);
                break;
            case DCH_MM:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : (tm->tm_mon >= 0) ? 2 : 3,
                        tm->tm_mon);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_DAY:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_toupper_z(localized_full_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            asc_toupper_z(days[tm->tm_wday]));
                s += strlen(s);
                break;
            case DCH_Day:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_initcap_z(localized_full_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            days[tm->tm_wday]);
                s += strlen(s);
                break;
            case DCH_day:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_tolower_z(localized_full_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9,
                            asc_tolower_z(days[tm->tm_wday]));
                s += strlen(s);
                break;
            case DCH_DY:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_toupper_z(localized_abbrev_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, asc_toupper_z(days_short[tm->tm_wday]));
                s += strlen(s);
                break;
            case DCH_Dy:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_initcap_z(localized_abbrev_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, days_short[tm->tm_wday]);
                s += strlen(s);
                break;
            case DCH_dy:
                INVALID_FOR_INTERVAL;
                if (S_TM(n->suffix))
                {
                    char       *str = str_tolower_z(localized_abbrev_days[tm->tm_wday], collid);
 
                    if (strlen(str) <= (n->key->len + TM_SUFFIX_LEN) * DCH_MAX_ITEM_SIZ)
                        strcpy(s, str);
                    else
                        ereport(ERROR,
                                (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                 errmsg("localized string format value too long")));
                }
                else
                    strcpy(s, asc_tolower_z(days_short[tm->tm_wday]));
                s += strlen(s);
                break;
            case DCH_DDD:
            case DCH_IDDD:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 3,
                        (n->key->id == DCH_DDD) ?
                        tm->tm_yday :
                        date2isoyearday(tm->tm_year, tm->tm_mon, tm->tm_mday));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_DD:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2, tm->tm_mday);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_D:
                INVALID_FOR_INTERVAL;
                sprintf(s, "%d", tm->tm_wday + 1);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_ID:
                INVALID_FOR_INTERVAL;
                sprintf(s, "%d", (tm->tm_wday == 0) ? 7 : tm->tm_wday);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_WW:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2,
                        (tm->tm_yday - 1) / 7 + 1);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_IW:
                sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2,
                        date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_Q:
                if (!tm->tm_mon)
                    break;
                sprintf(s, "%d", (tm->tm_mon - 1) / 3 + 1);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_CC:
                if (is_interval)    /* straight calculation */
                    i = tm->tm_year / 100;
                else
                {
                    if (tm->tm_year > 0)
                        /* Century 20 == 1901 - 2000 */
                        i = (tm->tm_year - 1) / 100 + 1;
                    else
                        /* Century 6BC == 600BC - 501BC */
                        i = tm->tm_year / 100 - 1;
                }
                if (i <= 99 && i >= -99)
                    sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : (i >= 0) ? 2 : 3, i);
                else
                    sprintf(s, "%d", i);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_Y_YYY:
                i = ADJUST_YEAR(tm->tm_year, is_interval) / 1000;
                sprintf(s, "%d,%03d", i,
                        ADJUST_YEAR(tm->tm_year, is_interval) - (i * 1000));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_YYYY:
            case DCH_IYYY:
                sprintf(s, "%0*d",
                        S_FM(n->suffix) ? 0 :
                        (ADJUST_YEAR(tm->tm_year, is_interval) >= 0) ? 4 : 5,
                        (n->key->id == DCH_YYYY ?
                         ADJUST_YEAR(tm->tm_year, is_interval) :
                         ADJUST_YEAR(date2isoyear(tm->tm_year,
                                                  tm->tm_mon,
                                                  tm->tm_mday),
                                     is_interval)));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_YYY:
            case DCH_IYY:
                sprintf(s, "%0*d",
                        S_FM(n->suffix) ? 0 :
                        (ADJUST_YEAR(tm->tm_year, is_interval) >= 0) ? 3 : 4,
                        (n->key->id == DCH_YYY ?
                         ADJUST_YEAR(tm->tm_year, is_interval) :
                         ADJUST_YEAR(date2isoyear(tm->tm_year,
                                                  tm->tm_mon,
                                                  tm->tm_mday),
                                     is_interval)) % 1000);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_YY:
            case DCH_IY:
                sprintf(s, "%0*d",
                        S_FM(n->suffix) ? 0 :
                        (ADJUST_YEAR(tm->tm_year, is_interval) >= 0) ? 2 : 3,
                        (n->key->id == DCH_YY ?
                         ADJUST_YEAR(tm->tm_year, is_interval) :
                         ADJUST_YEAR(date2isoyear(tm->tm_year,
                                                  tm->tm_mon,
                                                  tm->tm_mday),
                                     is_interval)) % 100);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_Y:
            case DCH_I:
                sprintf(s, "%1d",
                        (n->key->id == DCH_Y ?
                         ADJUST_YEAR(tm->tm_year, is_interval) :
                         ADJUST_YEAR(date2isoyear(tm->tm_year,
                                                  tm->tm_mon,
                                                  tm->tm_mday),
                                     is_interval)) % 10);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_RM:
                /* FALLTHROUGH */
            case DCH_rm:
 
                /*
                 * For intervals, values like '12 month' will be reduced to 0
                 * month and some years.  These should be processed.
                 */
                if (!tm->tm_mon && !tm->tm_year)
                    break;
                else
                {
                    int         mon = 0;
                    const char *const *months;
 
                    if (n->key->id == DCH_RM)
                        months = rm_months_upper;
                    else
                        months = rm_months_lower;
 
                    /*
                     * Compute the position in the roman-numeral array.  Note
                     * that the contents of the array are reversed, December
                     * being first and January last.
                     */
                    if (tm->tm_mon == 0)
                    {
                        /*
                         * This case is special, and tracks the case of full
                         * interval years.
                         */
                        mon = tm->tm_year >= 0 ? 0 : MONTHS_PER_YEAR - 1;
                    }
                    else if (tm->tm_mon < 0)
                    {
                        /*
                         * Negative case.  In this case, the calculation is
                         * reversed, where -1 means December, -2 November,
                         * etc.
                         */
                        mon = -1 * (tm->tm_mon + 1);
                    }
                    else
                    {
                        /*
                         * Common case, with a strictly positive value.  The
                         * position in the array matches with the value of
                         * tm_mon.
                         */
                        mon = MONTHS_PER_YEAR - tm->tm_mon;
                    }
 
                    sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -4,
                            months[mon]);
                    s += strlen(s);
                }
                break;
            case DCH_W:
                sprintf(s, "%d", (tm->tm_mday - 1) / 7 + 1);
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
            case DCH_J:
                sprintf(s, "%d", date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
                if (S_THth(n->suffix))
                    str_numth(s, s, S_TH_TYPE(n->suffix));
                s += strlen(s);
                break;
        }
    }
 
    *s = '\0';
}

References A_D_STR, a_d_STR, A_M_STR, a_m_STR, AD_STR, ad_STR, ADJUST_YEAR, AM_STR, am_STR, asc_tolower_z(), asc_toupper_z(), B_C_STR, b_c_STR, BC_STR, bc_STR, cache_locale_time(), FormatNode::character, date2isoweek(), date2isoyear(), date2isoyearday(), date2j(), days, days_short, DCH_A_D, DCH_a_d, DCH_A_M, DCH_a_m, DCH_AD, DCH_ad, DCH_AM, DCH_am, DCH_B_C, DCH_b_c, DCH_BC, DCH_bc, DCH_CC, DCH_D, DCH_DAY, DCH_Day, DCH_day, DCH_DD, DCH_DDD, DCH_DY, DCH_Dy, DCH_dy, DCH_FF1, DCH_FF2, DCH_FF3, DCH_FF4, DCH_FF5, DCH_FF6, DCH_HH, DCH_HH12, DCH_HH24, DCH_I, DCH_ID, DCH_IDDD, DCH_IW, DCH_IY, DCH_IYY, DCH_IYYY, DCH_J, DCH_MAX_ITEM_SIZ, DCH_MI, DCH_MM, DCH_MON, DCH_Mon, DCH_mon, DCH_MONTH, DCH_Month, DCH_month, DCH_MS, DCH_OF, DCH_P_M, DCH_p_m, DCH_PM, DCH_pm, DCH_Q, DCH_RM, DCH_rm, DCH_SS, DCH_SSSS, DCH_to_char_fsec, DCH_TZ, DCH_tz, DCH_TZH, DCH_TZM, DCH_US, DCH_W, DCH_WW, DCH_Y, DCH_Y_YYY, DCH_YY, DCH_YYY, DCH_YYYY, ereport, errcode(), errmsg(), ERROR, TmToChar::fsec, HOURS_PER_DAY, i, KeyWord::id, INVALID_FOR_INTERVAL, FormatNode::key, KeyWord::len, localized_abbrev_days, localized_abbrev_months, localized_full_days, localized_full_months, months, months_full, MONTHS_PER_YEAR, NODE_TYPE_ACTION, NODE_TYPE_END, P_M_STR, p_m_STR, pfree(), PM_STR, pm_STR, rm_months_lower, rm_months_upper, S_FM, S_TH_TYPE, S_THth, S_TM, SECS_PER_HOUR, SECS_PER_MINUTE, sprintf, generate_unaccent_rules::str, str_initcap_z(), str_numth(), str_tolower_z(), str_toupper_z(), FormatNode::suffix, TmToChar::tm, tm, pg_tm::tm_gmtoff, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, TM_SUFFIX_LEN, pg_tm::tm_wday, pg_tm::tm_yday, pg_tm::tm_year, tmtcTzn, and FormatNode::type.

Referenced by datetime_to_char_body().

do_to_timestamp()

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

Definition at line 4510 of file formatting.c.

{
    FormatNode *format = NULL;
    TmFromChar  tmfc;
    int         fmt_len;
    char       *date_str;
    int         fmask;
    bool        incache = false;
 
    Assert(tm != NULL);
    Assert(fsec != NULL);
 
    date_str = text_to_cstring(date_txt);
 
    ZERO_tmfc(&tmfc);
    ZERO_tm(tm);
    *fsec = 0;
    if (fprec)
        *fprec = 0;
    if (flags)
        *flags = 0;
    fmask = 0;                  /* bit mask for ValidateDate() */
 
    fmt_len = VARSIZE_ANY_EXHDR(fmt);
 
    if (fmt_len)
    {
        char       *fmt_str;
 
        fmt_str = text_to_cstring(fmt);
 
        if (fmt_len > DCH_CACHE_SIZE)
        {
            /*
             * Allocate new memory if format picture is bigger than static
             * cache and do not use cache (call parser always)
             */
            format = (FormatNode *) palloc((fmt_len + 1) * sizeof(FormatNode));
 
            parse_format(format, fmt_str, DCH_keywords, DCH_suff, DCH_index,
                         DCH_FLAG | (std ? STD_FLAG : 0), NULL);
        }
        else
        {
            /*
             * Use cache buffers
             */
            DCHCacheEntry *ent = DCH_cache_fetch(fmt_str, std);
 
            incache = true;
            format = ent->format;
        }
 
#ifdef DEBUG_TO_FROM_CHAR
        /* dump_node(format, fmt_len); */
        /* dump_index(DCH_keywords, DCH_index); */
#endif
 
        DCH_from_char(format, date_str, &tmfc, collid, std, have_error);
        CHECK_ERROR;
 
        pfree(fmt_str);
 
        if (flags)
            *flags = DCH_datetime_type(format, have_error);
 
        if (!incache)
        {
            pfree(format);
            format = NULL;
        }
 
        CHECK_ERROR;
    }
 
    DEBUG_TMFC(&tmfc);
 
    /*
     * Convert to_date/to_timestamp input fields to standard 'tm'
     */
    if (tmfc.ssss)
    {
        int         x = tmfc.ssss;
 
        tm->tm_hour = x / SECS_PER_HOUR;
        x %= SECS_PER_HOUR;
        tm->tm_min = x / SECS_PER_MINUTE;
        x %= SECS_PER_MINUTE;
        tm->tm_sec = x;
    }
 
    if (tmfc.ss)
        tm->tm_sec = tmfc.ss;
    if (tmfc.mi)
        tm->tm_min = tmfc.mi;
    if (tmfc.hh)
        tm->tm_hour = tmfc.hh;
 
    if (tmfc.clock == CLOCK_12_HOUR)
    {
        if (tm->tm_hour < 1 || tm->tm_hour > HOURS_PER_DAY / 2)
        {
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("hour \"%d\" is invalid for the 12-hour clock",
                                         tm->tm_hour),
                                  errhint("Use the 24-hour clock, or give an hour between 1 and 12."))));
        }
 
        if (tmfc.pm && tm->tm_hour < HOURS_PER_DAY / 2)
            tm->tm_hour += HOURS_PER_DAY / 2;
        else if (!tmfc.pm && tm->tm_hour == HOURS_PER_DAY / 2)
            tm->tm_hour = 0;
    }
 
    if (tmfc.year)
    {
        /*
         * If CC and YY (or Y) are provided, use YY as 2 low-order digits for
         * the year in the given century.  Keep in mind that the 21st century
         * AD runs from 2001-2100, not 2000-2099; 6th century BC runs from
         * 600BC to 501BC.
         */
        if (tmfc.cc && tmfc.yysz <= 2)
        {
            if (tmfc.bc)
                tmfc.cc = -tmfc.cc;
            tm->tm_year = tmfc.year % 100;
            if (tm->tm_year)
            {
                if (tmfc.cc >= 0)
                    tm->tm_year += (tmfc.cc - 1) * 100;
                else
                    tm->tm_year = (tmfc.cc + 1) * 100 - tm->tm_year + 1;
            }
            else
            {
                /* find century year for dates ending in "00" */
                tm->tm_year = tmfc.cc * 100 + ((tmfc.cc >= 0) ? 0 : 1);
            }
        }
        else
        {
            /* If a 4-digit year is provided, we use that and ignore CC. */
            tm->tm_year = tmfc.year;
            if (tmfc.bc)
                tm->tm_year = -tm->tm_year;
            /* correct for our representation of BC years */
            if (tm->tm_year < 0)
                tm->tm_year++;
        }
        fmask |= DTK_M(YEAR);
    }
    else if (tmfc.cc)
    {
        /* use first year of century */
        if (tmfc.bc)
            tmfc.cc = -tmfc.cc;
        if (tmfc.cc >= 0)
            /* +1 because 21st century started in 2001 */
            tm->tm_year = (tmfc.cc - 1) * 100 + 1;
        else
            /* +1 because year == 599 is 600 BC */
            tm->tm_year = tmfc.cc * 100 + 1;
        fmask |= DTK_M(YEAR);
    }
 
    if (tmfc.j)
    {
        j2date(tmfc.j, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
        fmask |= DTK_DATE_M;
    }
 
    if (tmfc.ww)
    {
        if (tmfc.mode == FROM_CHAR_DATE_ISOWEEK)
        {
            /*
             * If tmfc.d is not set, then the date is left at the beginning of
             * the ISO week (Monday).
             */
            if (tmfc.d)
                isoweekdate2date(tmfc.ww, tmfc.d, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
            else
                isoweek2date(tmfc.ww, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
            fmask |= DTK_DATE_M;
        }
        else
            tmfc.ddd = (tmfc.ww - 1) * 7 + 1;
    }
 
    if (tmfc.w)
        tmfc.dd = (tmfc.w - 1) * 7 + 1;
    if (tmfc.dd)
    {
        tm->tm_mday = tmfc.dd;
        fmask |= DTK_M(DAY);
    }
    if (tmfc.mm)
    {
        tm->tm_mon = tmfc.mm;
        fmask |= DTK_M(MONTH);
    }
 
    if (tmfc.ddd && (tm->tm_mon <= 1 || tm->tm_mday <= 1))
    {
        /*
         * The month and day field have not been set, so we use the
         * day-of-year field to populate them.  Depending on the date mode,
         * this field may be interpreted as a Gregorian day-of-year, or an ISO
         * week date day-of-year.
         */
 
        if (!tm->tm_year && !tmfc.bc)
        {
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("cannot calculate day of year without year information"))));
        }
 
        if (tmfc.mode == FROM_CHAR_DATE_ISOWEEK)
        {
            int         j0;     /* zeroth day of the ISO year, in Julian */
 
            j0 = isoweek2j(tm->tm_year, 1) - 1;
 
            j2date(j0 + tmfc.ddd, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
            fmask |= DTK_DATE_M;
        }
        else
        {
            const int  *y;
            int         i;
 
            static const int ysum[2][13] = {
                {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
            {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}};
 
            y = ysum[isleap(tm->tm_year)];
 
            for (i = 1; i <= MONTHS_PER_YEAR; i++)
            {
                if (tmfc.ddd <= y[i])
                    break;
            }
            if (tm->tm_mon <= 1)
                tm->tm_mon = i;
 
            if (tm->tm_mday <= 1)
                tm->tm_mday = tmfc.ddd - y[i - 1];
 
            fmask |= DTK_M(MONTH) | DTK_M(DAY);
        }
    }
 
    if (tmfc.ms)
        *fsec += tmfc.ms * 1000;
    if (tmfc.us)
        *fsec += tmfc.us;
    if (fprec)
        *fprec = tmfc.ff;       /* fractional precision, if specified */
 
    /* Range-check date fields according to bit mask computed above */
    if (fmask != 0)
    {
        /* We already dealt with AD/BC, so pass isjulian = true */
        int         dterr = ValidateDate(fmask, true, false, false, tm);
 
        if (dterr != 0)
        {
            /*
             * Force the error to be DTERR_FIELD_OVERFLOW even if ValidateDate
             * said DTERR_MD_FIELD_OVERFLOW, because we don't want to print an
             * irrelevant hint about datestyle.
             */
            RETURN_ERROR(DateTimeParseError(DTERR_FIELD_OVERFLOW, date_str, "timestamp"));
        }
    }
 
    /* Range-check time fields too */
    if (tm->tm_hour < 0 || tm->tm_hour >= HOURS_PER_DAY ||
        tm->tm_min < 0 || tm->tm_min >= MINS_PER_HOUR ||
        tm->tm_sec < 0 || tm->tm_sec >= SECS_PER_MINUTE ||
        *fsec < INT64CONST(0) || *fsec >= USECS_PER_SEC)
    {
        RETURN_ERROR(DateTimeParseError(DTERR_FIELD_OVERFLOW, date_str, "timestamp"));
    }
 
    /* Save parsed time-zone into tm->tm_zone if it was specified */
    if (tmfc.tzsign)
    {
        char       *tz;
 
        if (tmfc.tzh < 0 || tmfc.tzh > MAX_TZDISP_HOUR ||
            tmfc.tzm < 0 || tmfc.tzm >= MINS_PER_HOUR)
        {
            RETURN_ERROR(DateTimeParseError(DTERR_TZDISP_OVERFLOW, date_str, "timestamp"));
        }
 
        tz = psprintf("%c%02d:%02d",
                      tmfc.tzsign > 0 ? '+' : '-', tmfc.tzh, tmfc.tzm);
 
        tm->tm_zone = tz;
    }
 
    DEBUG_TM(tm);
 
on_error:
 
    if (format && !incache)
        pfree(format);
 
    pfree(date_str);
}

References Assert(), TmFromChar::bc, TmFromChar::cc, CHECK_ERROR, TmFromChar::clock, CLOCK_12_HOUR, TmFromChar::d, DateTimeParseError(), DAY, DCH_cache_fetch(), DCH_CACHE_SIZE, DCH_datetime_type(), DCH_FLAG, DCH_from_char(), DCH_index, DCH_keywords, DCH_suff, TmFromChar::dd, TmFromChar::ddd, DEBUG_TM, DEBUG_TMFC, DTERR_FIELD_OVERFLOW, DTERR_TZDISP_OVERFLOW, DTK_DATE_M, DTK_M, ereport, errcode(), errhint(), errmsg(), ERROR, TmFromChar::ff, fmt, DCHCacheEntry::format, format, FROM_CHAR_DATE_ISOWEEK, TmFromChar::hh, HOURS_PER_DAY, i, isleap, isoweek2date(), isoweek2j(), isoweekdate2date(), TmFromChar::j, j2date(), MAX_TZDISP_HOUR, TmFromChar::mi, MINS_PER_HOUR, TmFromChar::mm, TmFromChar::mode, MONTH, MONTHS_PER_YEAR, TmFromChar::ms, palloc(), parse_format(), pfree(), TmFromChar::pm, psprintf(), RETURN_ERROR, SECS_PER_HOUR, SECS_PER_MINUTE, TmFromChar::ss, TmFromChar::ssss, STD_FLAG, text_to_cstring(), tm, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, pg_tm::tm_zone, TmFromChar::tzh, TmFromChar::tzm, TmFromChar::tzsign, TmFromChar::us, USECS_PER_SEC, ValidateDate(), VARSIZE_ANY_EXHDR, TmFromChar::w, TmFromChar::ww, x, y, TmFromChar::year, YEAR, TmFromChar::yysz, ZERO_tm, and ZERO_tmfc.

Referenced by parse_datetime(), to_date(), and to_timestamp().

fill_str()

static char * fill_str ( char *  str, int  c, int  max  )

static

Definition at line 4834 of file formatting.c.

{
    memset(str, c, max);
    *(str + max) = '\0';
    return str;
}

References generate_unaccent_rules::str.

Referenced by float4_to_char(), float8_to_char(), int4_to_char(), int8_to_char(), int_to_roman(), and numeric_to_char().

float4_to_char()

Datum float4_to_char

(

PG_FUNCTION_ARGS

)

Definition at line 6516 of file formatting.c.

{
    float4      value = PG_GETARG_FLOAT4(0);
    text       *fmt = PG_GETARG_TEXT_PP(1);
    NUMDesc     Num;
    FormatNode *format;
    text       *result;
    bool        shouldFree;
    int         out_pre_spaces = 0,
                sign = 0;
    char       *numstr,
               *p;
 
    NUM_TOCHAR_prepare;
 
    if (IS_ROMAN(&Num))
        numstr = int_to_roman((int) rint(value));
    else if (IS_EEEE(&Num))
    {
        if (isnan(value) || isinf(value))
        {
            /*
             * Allow 6 characters for the leading sign, the decimal point,
             * "e", the exponent's sign and two exponent digits.
             */
            numstr = (char *) palloc(Num.pre + Num.post + 7);
            fill_str(numstr, '#', Num.pre + Num.post + 6);
            *numstr = ' ';
            *(numstr + Num.pre + 1) = '.';
        }
        else
        {
            numstr = psprintf("%+.*e", Num.post, value);
 
            /*
             * Swap a leading positive sign for a space.
             */
            if (*numstr == '+')
                *numstr = ' ';
        }
    }
    else
    {
        float4      val = value;
        char       *orgnum;
        int         numstr_pre_len;
 
        if (IS_MULTI(&Num))
        {
            float       multi = pow((double) 10, (double) Num.multi);
 
            val = value * multi;
            Num.pre += Num.multi;
        }
 
        orgnum = psprintf("%.0f", fabs(val));
        numstr_pre_len = strlen(orgnum);
 
        /* adjust post digits to fit max float digits */
        if (numstr_pre_len >= FLT_DIG)
            Num.post = 0;
        else if (numstr_pre_len + Num.post > FLT_DIG)
            Num.post = FLT_DIG - numstr_pre_len;
        orgnum = psprintf("%.*f", Num.post, val);
 
        if (*orgnum == '-')
        {                       /* < 0 */
            sign = '-';
            numstr = orgnum + 1;
        }
        else
        {
            sign = '+';
            numstr = orgnum;
        }
 
        if ((p = strchr(numstr, '.')))
            numstr_pre_len = p - numstr;
        else
            numstr_pre_len = strlen(numstr);
 
        /* needs padding? */
        if (numstr_pre_len < Num.pre)
            out_pre_spaces = Num.pre - numstr_pre_len;
        /* overflowed prefix digit format? */
        else if (numstr_pre_len > Num.pre)
        {
            numstr = (char *) palloc(Num.pre + Num.post + 2);
            fill_str(numstr, '#', Num.pre + Num.post + 1);
            *(numstr + Num.pre) = '.';
        }
    }

References fill_str(), fmt, format, int_to_roman(), IS_EEEE, IS_MULTI, IS_ROMAN, NUMDesc::multi, NUM_TOCHAR_finish, NUM_TOCHAR_prepare, palloc(), PG_GETARG_FLOAT4, PG_GETARG_TEXT_PP, PG_RETURN_TEXT_P, NUMDesc::post, NUMDesc::pre, psprintf(), sign, val, and value.

float8_to_char()

Datum float8_to_char

(

PG_FUNCTION_ARGS

)

Definition at line 6618 of file formatting.c.

{
    float8      value = PG_GETARG_FLOAT8(0);
    text       *fmt = PG_GETARG_TEXT_PP(1);
    NUMDesc     Num;
    FormatNode *format;
    text       *result;
    bool        shouldFree;
    int         out_pre_spaces = 0,
                sign = 0;
    char       *numstr,
               *p;
 
    NUM_TOCHAR_prepare;
 
    if (IS_ROMAN(&Num))
        numstr = int_to_roman((int) rint(value));
    else if (IS_EEEE(&Num))
    {
        if (isnan(value) || isinf(value))
        {
            /*
             * Allow 6 characters for the leading sign, the decimal point,
             * "e", the exponent's sign and two exponent digits.
             */
            numstr = (char *) palloc(Num.pre + Num.post + 7);
            fill_str(numstr, '#', Num.pre + Num.post + 6);
            *numstr = ' ';
            *(numstr + Num.pre + 1) = '.';
        }
        else
        {
            numstr = psprintf("%+.*e", Num.post, value);
 
            /*
             * Swap a leading positive sign for a space.
             */
            if (*numstr == '+')
                *numstr = ' ';
        }
    }
    else
    {
        float8      val = value;
        char       *orgnum;
        int         numstr_pre_len;
 
        if (IS_MULTI(&Num))
        {
            double      multi = pow((double) 10, (double) Num.multi);
 
            val = value * multi;
            Num.pre += Num.multi;
        }
 
        orgnum = psprintf("%.0f", fabs(val));
        numstr_pre_len = strlen(orgnum);
 
        /* adjust post digits to fit max double digits */
        if (numstr_pre_len >= DBL_DIG)
            Num.post = 0;
        else if (numstr_pre_len + Num.post > DBL_DIG)
            Num.post = DBL_DIG - numstr_pre_len;
        orgnum = psprintf("%.*f", Num.post, val);
 
        if (*orgnum == '-')
        {                       /* < 0 */
            sign = '-';
            numstr = orgnum + 1;
        }
        else
        {
            sign = '+';
            numstr = orgnum;
        }
 
        if ((p = strchr(numstr, '.')))
            numstr_pre_len = p - numstr;
        else
            numstr_pre_len = strlen(numstr);
 
        /* needs padding? */
        if (numstr_pre_len < Num.pre)
            out_pre_spaces = Num.pre - numstr_pre_len;
        /* overflowed prefix digit format? */
        else if (numstr_pre_len > Num.pre)
        {
            numstr = (char *) palloc(Num.pre + Num.post + 2);
            fill_str(numstr, '#', Num.pre + Num.post + 1);
            *(numstr + Num.pre) = '.';
        }
    }

References fill_str(), fmt, format, int_to_roman(), IS_EEEE, IS_MULTI, IS_ROMAN, NUMDesc::multi, NUM_TOCHAR_finish, NUM_TOCHAR_prepare, palloc(), PG_GETARG_FLOAT8, PG_GETARG_TEXT_PP, NUMDesc::post, NUMDesc::pre, psprintf(), sign, val, and value.

from_char_parse_int()

static int from_char_parse_int ( int *  dest, const char **  src, FormatNode *  node, bool *  have_error  )

static

Definition at line 2471 of file formatting.c.

{
    return from_char_parse_int_len(dest, src, node->key->len, node, have_error);
}

References generate_unaccent_rules::dest, from_char_parse_int_len(), FormatNode::key, and KeyWord::len.

Referenced by DCH_from_char().

from_char_parse_int_len()

static int from_char_parse_int_len ( int *  dest, const char **  src, const int  len, FormatNode *  node, bool *  have_error  )

static

Definition at line 2368 of file formatting.c.

{
    long        result;
    char        copy[DCH_MAX_ITEM_SIZ + 1];
    const char *init = *src;
    int         used;
 
    /*
     * Skip any whitespace before parsing the integer.
     */
    *src += strspace_len(*src);
 
    Assert(len <= DCH_MAX_ITEM_SIZ);
    used = (int) strlcpy(copy, *src, len + 1);
 
    if (S_FM(node->suffix) || is_next_separator(node))
    {
        /*
         * This node is in Fill Mode, or the next node is known to be a
         * non-digit value, so we just slurp as many characters as we can get.
         */
        char       *endptr;
 
        errno = 0;
        result = strtol(init, &endptr, 10);
        *src = endptr;
    }
    else
    {
        /*
         * We need to pull exactly the number of characters given in 'len' out
         * of the string, and convert those.
         */
        char       *last;
 
        if (used < len)
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("source string too short for \"%s\" "
                                         "formatting field",
                                         node->key->name),
                                  errdetail("Field requires %d characters, "
                                            "but only %d remain.",
                                            len, used),
                                  errhint("If your source string is not fixed-width, "
                                          "try using the \"FM\" modifier."))));
 
        errno = 0;
        result = strtol(copy, &last, 10);
        used = last - copy;
 
        if (used > 0 && used < len)
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("invalid value \"%s\" for \"%s\"",
                                         copy, node->key->name),
                                  errdetail("Field requires %d characters, "
                                            "but only %d could be parsed.",
                                            len, used),
                                  errhint("If your source string is not fixed-width, "
                                          "try using the \"FM\" modifier."))));
 
        *src += used;
    }
 
    if (*src == init)
        RETURN_ERROR(ereport(ERROR,
                             (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                              errmsg("invalid value \"%s\" for \"%s\"",
                                     copy, node->key->name),
                              errdetail("Value must be an integer."))));
 
    if (errno == ERANGE || result < INT_MIN || result > INT_MAX)
        RETURN_ERROR(ereport(ERROR,
                             (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                              errmsg("value for \"%s\" in source string is out of range",
                                     node->key->name),
                              errdetail("Value must be in the range %d to %d.",
                                        INT_MIN, INT_MAX))));
 
    if (dest != NULL)
    {
        from_char_set_int(dest, (int) result, node, have_error);
        CHECK_ERROR;
    }
 
    return *src - init;
 
on_error:
    return -1;
}

References Assert(), CHECK_ERROR, DCH_MAX_ITEM_SIZ, generate_unaccent_rules::dest, ereport, errcode(), errdetail(), errhint(), errmsg(), ERROR, from_char_set_int(), init, is_next_separator(), FormatNode::key, len, KeyWord::name, RETURN_ERROR, S_FM, strlcpy(), strspace_len(), and FormatNode::suffix.

Referenced by DCH_from_char(), and from_char_parse_int().

from_char_seq_search()

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

Definition at line 2629 of file formatting.c.

{
    int         len;
 
    if (localized_array == NULL)
        *dest = seq_search_ascii(*src, array, &len);
    else
        *dest = seq_search_localized(*src, localized_array, &len, collid);
 
    if (len <= 0)
    {
        /*
         * In the error report, truncate the string at the next whitespace (if
         * any) to avoid including irrelevant data.
         */
        char       *copy = pstrdup(*src);
        char       *c;
 
        for (c = copy; *c; c++)
        {
            if (scanner_isspace(*c))
            {
                *c = '\0';
                break;
            }
        }
 
        RETURN_ERROR(ereport(ERROR,
                             (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                              errmsg("invalid value \"%s\" for \"%s\"",
                                     copy, node->key->name),
                              errdetail("The given value did not match any of "
                                        "the allowed values for this field."))));
    }
    *src += len;
    return len;
 
on_error:
    return -1;
}

References generate_unaccent_rules::dest, ereport, errcode(), errdetail(), errmsg(), ERROR, FormatNode::key, len, KeyWord::name, pstrdup(), RETURN_ERROR, scanner_isspace(), seq_search_ascii(), and seq_search_localized().

Referenced by DCH_from_char().

from_char_set_int()

static void from_char_set_int ( int *  dest, const int  value, const FormatNode *  node, bool *  have_error  )

static

Definition at line 2327 of file formatting.c.

{
    if (*dest != 0 && *dest != value)
        RETURN_ERROR(ereport(ERROR,
                             (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                              errmsg("conflicting values for \"%s\" field in "
                                     "formatting string",
                                     node->key->name),
                              errdetail("This value contradicts a previous setting "
                                        "for the same field type."))));
    *dest = value;
 
on_error:
    return;
}

References generate_unaccent_rules::dest, ereport, errcode(), errdetail(), errmsg(), ERROR, FormatNode::key, KeyWord::name, RETURN_ERROR, and value.

Referenced by DCH_from_char(), and from_char_parse_int_len().

from_char_set_mode()

static void from_char_set_mode ( TmFromChar *  tmfc, const FromCharDateMode  mode, bool *  have_error  )

static

Definition at line 2300 of file formatting.c.

{
    if (mode != FROM_CHAR_DATE_NONE)
    {
        if (tmfc->mode == FROM_CHAR_DATE_NONE)
            tmfc->mode = mode;
        else if (tmfc->mode != mode)
            RETURN_ERROR(ereport(ERROR,
                                 (errcode(ERRCODE_INVALID_DATETIME_FORMAT),
                                  errmsg("invalid combination of date conventions"),
                                  errhint("Do not mix Gregorian and ISO week date "
                                          "conventions in a formatting template."))));
    }
 
on_error:
    return;
}

References ereport, errcode(), errhint(), errmsg(), ERROR, FROM_CHAR_DATE_NONE, TmFromChar::mode, mode, and RETURN_ERROR.

Referenced by DCH_from_char().

get_last_relevant_decnum()

static char * get_last_relevant_decnum ( char *  num )

static

Definition at line 5165 of file formatting.c.

{
    char       *result,
               *p = strchr(num, '.');
 
#ifdef DEBUG_TO_FROM_CHAR
    elog(DEBUG_elog_output, "get_last_relevant_decnum()");
#endif
 
    if (!p)
        return NULL;
 
    result = p;
 
    while (*(++p))
    {
        if (*p != '0')
            result = p;
    }
 
    return result;
}

References elog.

Referenced by NUM_processor().

get_th()

static const char * get_th ( char *  num, int  type  )

static

Definition at line 1542 of file formatting.c.

{
    int         len = strlen(num),
                last;
 
    last = *(num + (len - 1));
    if (!isdigit((unsigned char) last))
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("\"%s\" is not a number", num)));
 
    /*
     * All "teens" (<x>1[0-9]) get 'TH/th', while <x>[02-9][123] still get
     * 'ST/st', 'ND/nd', 'RD/rd', respectively
     */
    if ((len > 1) && (num[len - 2] == '1'))
        last = 0;
 
    switch (last)
    {
        case '1':
            if (type == TH_UPPER)
                return numTH[0];
            return numth[0];
        case '2':
            if (type == TH_UPPER)
                return numTH[1];
            return numth[1];
        case '3':
            if (type == TH_UPPER)
                return numTH[2];
            return numth[2];
        default:
            if (type == TH_UPPER)
                return numTH[3];
            return numth[3];
    }
}

References ereport, errcode(), errmsg(), ERROR, len, numTH, numth, TH_UPPER, and generate_unaccent_rules::type.

Referenced by NUM_processor(), and str_numth().

index_seq_search()

static const KeyWord * index_seq_search ( const char *  str, const KeyWord *  kw, const int *  index  )

static

Definition at line 1125 of file formatting.c.

{
    int         poz;
 
    if (!KeyWord_INDEX_FILTER(*str))
        return NULL;
 
    if ((poz = *(index + (*str - ' '))) > -1)
    {
        const KeyWord *k = kw + poz;
 
        do
        {
            if (strncmp(str, k->name, k->len) == 0)
                return k;
            k++;
            if (!k->name)
                return NULL;
        } while (*str == *k->name);
    }
    return NULL;
}

References KeyWord_INDEX_FILTER, KeyWord::len, KeyWord::name, and generate_unaccent_rules::str.

Referenced by parse_format().

int4_to_char()

Datum int4_to_char

(

PG_FUNCTION_ARGS

)

Definition at line 6316 of file formatting.c.

{
    int32       value = PG_GETARG_INT32(0);
    text       *fmt = PG_GETARG_TEXT_PP(1);
    NUMDesc     Num;
    FormatNode *format;
    text       *result;
    bool        shouldFree;
    int         out_pre_spaces = 0,
                sign = 0;
    char       *numstr,
               *orgnum;
 
    NUM_TOCHAR_prepare;
 
    /*
     * On DateType depend part (int32)
     */
    if (IS_ROMAN(&Num))
        numstr = int_to_roman(value);
    else if (IS_EEEE(&Num))
    {
        /* we can do it easily because float8 won't lose any precision */
        float8      val = (float8) value;
 
        orgnum = (char *) psprintf("%+.*e", Num.post, val);
 
        /*
         * Swap a leading positive sign for a space.
         */
        if (*orgnum == '+')
            *orgnum = ' ';
 
        numstr = orgnum;
    }
    else
    {
        int         numstr_pre_len;
 
        if (IS_MULTI(&Num))
        {
            orgnum = DatumGetCString(DirectFunctionCall1(int4out,
                                                         Int32GetDatum(value * ((int32) pow((double) 10, (double) Num.multi)))));
            Num.pre += Num.multi;
        }
        else
        {
            orgnum = DatumGetCString(DirectFunctionCall1(int4out,
                                                         Int32GetDatum(value)));
        }
 
        if (*orgnum == '-')
        {
            sign = '-';
            orgnum++;
        }
        else
            sign = '+';
 
        numstr_pre_len = strlen(orgnum);
 
        /* post-decimal digits?  Pad out with zeros. */
        if (Num.post)
        {
            numstr = (char *) palloc(numstr_pre_len + Num.post + 2);
            strcpy(numstr, orgnum);
            *(numstr + numstr_pre_len) = '.';
            memset(numstr + numstr_pre_len + 1, '0', Num.post);
            *(numstr + numstr_pre_len + Num.post + 1) = '\0';
        }
        else
            numstr = orgnum;
 
        /* needs padding? */
        if (numstr_pre_len < Num.pre)
            out_pre_spaces = Num.pre - numstr_pre_len;
        /* overflowed prefix digit format? */
        else if (numstr_pre_len > Num.pre)
        {
            numstr = (char *) palloc(Num.pre + Num.post + 2);
            fill_str(numstr, '#', Num.pre + Num.post + 1);
            *(numstr + Num.pre) = '.';
        }
    }

References DatumGetCString, DirectFunctionCall1, fill_str(), fmt, format, Int32GetDatum, int4out(), int_to_roman(), IS_EEEE, IS_MULTI, IS_ROMAN, NUMDesc::multi, NUM_TOCHAR_finish, NUM_TOCHAR_prepare, palloc(), PG_GETARG_INT32, PG_GETARG_TEXT_PP, PG_RETURN_TEXT_P, NUMDesc::post, NUMDesc::pre, psprintf(), sign, val, and value.

int8_to_char()

Datum int8_to_char

(

PG_FUNCTION_ARGS

)

Definition at line 6410 of file formatting.c.

{
    int64       value = PG_GETARG_INT64(0);
    text       *fmt = PG_GETARG_TEXT_PP(1);
    NUMDesc     Num;
    FormatNode *format;
    text       *result;
    bool        shouldFree;
    int         out_pre_spaces = 0,
                sign = 0;
    char       *numstr,
               *orgnum;
 
    NUM_TOCHAR_prepare;
 
    /*
     * On DateType depend part (int32)
     */
    if (IS_ROMAN(&Num))
    {
        /* Currently don't support int8 conversion to roman... */
        numstr = int_to_roman(DatumGetInt32(DirectFunctionCall1(int84, Int64GetDatum(value))));
    }
    else if (IS_EEEE(&Num))
    {
        /* to avoid loss of precision, must go via numeric not float8 */
        orgnum = numeric_out_sci(int64_to_numeric(value),
                                 Num.post);
 
        /*
         * numeric_out_sci() does not emit a sign for positive numbers.  We
         * need to add a space in this case so that positive and negative
         * numbers are aligned.  We don't have to worry about NaN/inf here.
         */
        if (*orgnum != '-')
        {
            numstr = (char *) palloc(strlen(orgnum) + 2);
            *numstr = ' ';
            strcpy(numstr + 1, orgnum);
        }
        else
        {
            numstr = orgnum;
        }
    }
    else
    {
        int         numstr_pre_len;
 
        if (IS_MULTI(&Num))
        {
            double      multi = pow((double) 10, (double) Num.multi);
 
            value = DatumGetInt64(DirectFunctionCall2(int8mul,
                                                      Int64GetDatum(value),
                                                      DirectFunctionCall1(dtoi8,
                                                                          Float8GetDatum(multi))));
            Num.pre += Num.multi;
        }
 
        orgnum = DatumGetCString(DirectFunctionCall1(int8out,
                                                     Int64GetDatum(value)));
 
        if (*orgnum == '-')
        {
            sign = '-';
            orgnum++;
        }
        else
            sign = '+';
 
        numstr_pre_len = strlen(orgnum);
 
        /* post-decimal digits?  Pad out with zeros. */
        if (Num.post)
        {
            numstr = (char *) palloc(numstr_pre_len + Num.post + 2);
            strcpy(numstr, orgnum);
            *(numstr + numstr_pre_len) = '.';
            memset(numstr + numstr_pre_len + 1, '0', Num.post);
            *(numstr + numstr_pre_len + Num.post + 1) = '\0';
        }
        else
            numstr = orgnum;
 
        /* needs padding? */
        if (numstr_pre_len < Num.pre)
            out_pre_spaces = Num.pre - numstr_pre_len;
        /* overflowed prefix digit format? */
        else if (numstr_pre_len > Num.pre)
        {
            numstr = (char *) palloc(Num.pre + Num.post + 2);
            fill_str(numstr, '#', Num.pre + Num.post + 1);
            *(numstr + Num.pre) = '.';
        }
    }

References DatumGetCString, DatumGetInt32, DatumGetInt64, DirectFunctionCall1, DirectFunctionCall2, dtoi8(), fill_str(), Float8GetDatum(), fmt, format, int64_to_numeric(), Int64GetDatum(), int84(), int8mul(), int8out(), int_to_roman(), IS_EEEE, IS_MULTI, IS_ROMAN, NUMDesc::multi, NUM_TOCHAR_finish, NUM_TOCHAR_prepare, numeric_out_sci(), palloc(), PG_GETARG_INT64, PG_GETARG_TEXT_PP, PG_RETURN_TEXT_P, NUMDesc::post, NUMDesc::pre, sign, and value.

int_to_roman()

static char * int_to_roman ( int  number )

static

Definition at line 5034 of file formatting.c.

{
    int         len,
                num;
    char       *p,
               *result,
                numstr[12];
 
    result = (char *) palloc(16);
    *result = '\0';
 
    if (number > 3999 || number < 1)
    {
        fill_str(result, '#', 15);
        return result;
    }
    len = snprintf(numstr, sizeof(numstr), "%d", number);
 
    for (p = numstr; *p != '\0'; p++, --len)
    {
        num = *p - ('0' + 1);
        if (num < 0)
            continue;
 
        if (len > 3)
        {
            while (num-- != -1)
                strcat(result, "M");
        }
        else
        {
            if (len == 3)
                strcat(result, rm100[num]);
            else if (len == 2)
                strcat(result, rm10[num]);
            else if (len == 1)
                strcat(result, rm1[num]);
        }
    }
    return result;
}

References fill_str(), len, palloc(), rm1, rm10, rm100, and snprintf.

Referenced by float4_to_char(), float8_to_char(), int4_to_char(), int8_to_char(), and numeric_to_char().

interval_to_char()

Datum interval_to_char

(

PG_FUNCTION_ARGS

)

Definition at line 4193 of file formatting.c.

{
    Interval   *it = PG_GETARG_INTERVAL_P(0);
    text       *fmt = PG_GETARG_TEXT_PP(1),
               *res;
    TmToChar    tmtc;
    struct fmt_tm *tm;
    struct pg_itm tt,
               *itm = &tt;
 
    if (VARSIZE_ANY_EXHDR(fmt) <= 0)
        PG_RETURN_NULL();
 
    ZERO_tmtc(&tmtc);
    tm = tmtcTm(&tmtc);
 
    interval2itm(*it, itm);
    tmtc.fsec = itm->tm_usec;
    tm->tm_sec = itm->tm_sec;
    tm->tm_min = itm->tm_min;
    tm->tm_hour = itm->tm_hour;
    tm->tm_mday = itm->tm_mday;
    tm->tm_mon = itm->tm_mon;
    tm->tm_year = itm->tm_year;
 
    /* wday is meaningless, yday approximates the total span in days */
    tm->tm_yday = (tm->tm_year * MONTHS_PER_YEAR + tm->tm_mon) * DAYS_PER_MONTH + tm->tm_mday;
 
    if (!(res = datetime_to_char_body(&tmtc, fmt, true, PG_GET_COLLATION())))
        PG_RETURN_NULL();
 
    PG_RETURN_TEXT_P(res);
}