/* -----------------------------------------------------------------------
* formatting.c
*
- * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.137 2008/01/01 19:45:52 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.138 2008/03/22 22:32:19 tgl Exp $
*
*
* Portions Copyright (c) 1999-2008, PostgreSQL Global Development Group
typedef struct
{
- const char *name; /* keyword */
- int len; /* keyword length */
- int (*action) (int arg, char *inout, /* action for keyword */
- int suf, bool is_to_char, bool is_interval,
- FormatNode *node, void *data);
- int id; /* keyword id */
- bool isitdigit; /* is expected output/input digit */
+ const char *name;
+ int len;
+ int id;
+ bool is_digit;
} KeyWord;
struct FormatNode
{
int type; /* node type */
const KeyWord *key; /* if node type is KEYWORD */
- int character, /* if node type is CHAR */
- suffix; /* keyword suffix */
+ char character; /* if node type is CHAR */
+ int suffix; /* keyword suffix */
};
#define NODE_TYPE_END 1
};
/* ----------
- * AC / DC
+ * AD / BC
* ----------
- */
-/*
* There is no 0 AD. Years go from 1 BC to 1 AD, so we make it
* positive and map year == -1 to year zero, and shift all negative
* years up one. For interval years, we just return the year.
/* ----------
* Months in roman-numeral
- * (Must be conversely for seq_search (in FROM_CHAR), because
- * 'VIII' must be over 'V')
+ * (Must be in reverse order for seq_search (in FROM_CHAR), because
+ * 'VIII' must have higher precedence than 'V')
* ----------
*/
static char *rm_months_upper[] =
#define TH_UPPER 1
#define TH_LOWER 2
-/* ----------
- * Flags for DCH version
- * ----------
- */
-static bool DCH_global_fx = false;
-
-
/* ----------
* Number description struct
* ----------
} while(0)
/*****************************************************************************
- * KeyWords definition & action
+ * KeyWord definitions
*****************************************************************************/
-static int dch_global(int arg, char *inout, int suf, bool is_to_char,
- bool is_interval, FormatNode *node, void *data);
-static int dch_time(int arg, char *inout, int suf, bool is_to_char,
- bool is_interval, FormatNode *node, void *data);
-static int dch_date(int arg, char *inout, int suf, bool is_to_char,
- bool is_interval, FormatNode *node, void *data);
-
/* ----------
* Suffixes:
* ----------
* ----------
*/
static const KeyWord DCH_keywords[] = {
-/* keyword, len, func, type, isitdigit is in Index */
- {"A.D.", 4, dch_date, DCH_A_D, FALSE}, /* A */
- {"A.M.", 4, dch_time, DCH_A_M, FALSE},
- {"AD", 2, dch_date, DCH_AD, FALSE},
- {"AM", 2, dch_time, DCH_AM, FALSE},
- {"B.C.", 4, dch_date, DCH_B_C, FALSE}, /* B */
- {"BC", 2, dch_date, DCH_BC, FALSE},
- {"CC", 2, dch_date, DCH_CC, TRUE}, /* C */
- {"DAY", 3, dch_date, DCH_DAY, FALSE}, /* D */
- {"DDD", 3, dch_date, DCH_DDD, TRUE},
- {"DD", 2, dch_date, DCH_DD, TRUE},
- {"DY", 2, dch_date, DCH_DY, FALSE},
- {"Day", 3, dch_date, DCH_Day, FALSE},
- {"Dy", 2, dch_date, DCH_Dy, FALSE},
- {"D", 1, dch_date, DCH_D, TRUE},
- {"FX", 2, dch_global, DCH_FX, FALSE}, /* F */
- {"HH24", 4, dch_time, DCH_HH24, TRUE}, /* H */
- {"HH12", 4, dch_time, DCH_HH12, TRUE},
- {"HH", 2, dch_time, DCH_HH, TRUE},
- {"IDDD", 4, dch_date, DCH_IDDD, TRUE}, /* I */
- {"ID", 2, dch_date, DCH_ID, TRUE},
- {"IW", 2, dch_date, DCH_IW, TRUE},
- {"IYYY", 4, dch_date, DCH_IYYY, TRUE},
- {"IYY", 3, dch_date, DCH_IYY, TRUE},
- {"IY", 2, dch_date, DCH_IY, TRUE},
- {"I", 1, dch_date, DCH_I, TRUE},
- {"J", 1, dch_date, DCH_J, TRUE}, /* J */
- {"MI", 2, dch_time, DCH_MI, TRUE}, /* M */
- {"MM", 2, dch_date, DCH_MM, TRUE},
- {"MONTH", 5, dch_date, DCH_MONTH, FALSE},
- {"MON", 3, dch_date, DCH_MON, FALSE},
- {"MS", 2, dch_time, DCH_MS, TRUE},
- {"Month", 5, dch_date, DCH_Month, FALSE},
- {"Mon", 3, dch_date, DCH_Mon, FALSE},
- {"P.M.", 4, dch_time, DCH_P_M, FALSE}, /* P */
- {"PM", 2, dch_time, DCH_PM, FALSE},
- {"Q", 1, dch_date, DCH_Q, TRUE}, /* Q */
- {"RM", 2, dch_date, DCH_RM, FALSE}, /* R */
- {"SSSS", 4, dch_time, DCH_SSSS, TRUE}, /* S */
- {"SS", 2, dch_time, DCH_SS, TRUE},
- {"TZ", 2, dch_time, DCH_TZ, FALSE}, /* T */
- {"US", 2, dch_time, DCH_US, TRUE}, /* U */
- {"WW", 2, dch_date, DCH_WW, TRUE}, /* W */
- {"W", 1, dch_date, DCH_W, TRUE},
- {"Y,YYY", 5, dch_date, DCH_Y_YYY, TRUE}, /* Y */
- {"YYYY", 4, dch_date, DCH_YYYY, TRUE},
- {"YYY", 3, dch_date, DCH_YYY, TRUE},
- {"YY", 2, dch_date, DCH_YY, TRUE},
- {"Y", 1, dch_date, DCH_Y, TRUE},
- {"a.d.", 4, dch_date, DCH_a_d, FALSE}, /* a */
- {"a.m.", 4, dch_time, DCH_a_m, FALSE},
- {"ad", 2, dch_date, DCH_ad, FALSE},
- {"am", 2, dch_time, DCH_am, FALSE},
- {"b.c.", 4, dch_date, DCH_b_c, FALSE}, /* b */
- {"bc", 2, dch_date, DCH_bc, FALSE},
- {"cc", 2, dch_date, DCH_CC, TRUE}, /* c */
- {"day", 3, dch_date, DCH_day, FALSE}, /* d */
- {"ddd", 3, dch_date, DCH_DDD, TRUE},
- {"dd", 2, dch_date, DCH_DD, TRUE},
- {"dy", 2, dch_date, DCH_dy, FALSE},
- {"d", 1, dch_date, DCH_D, TRUE},
- {"fx", 2, dch_global, DCH_FX, FALSE}, /* f */
- {"hh24", 4, dch_time, DCH_HH24, TRUE}, /* h */
- {"hh12", 4, dch_time, DCH_HH12, TRUE},
- {"hh", 2, dch_time, DCH_HH, TRUE},
- {"iddd", 4, dch_date, DCH_IDDD, TRUE}, /* i */
- {"id", 2, dch_date, DCH_ID, TRUE},
- {"iw", 2, dch_date, DCH_IW, TRUE},
- {"iyyy", 4, dch_date, DCH_IYYY, TRUE},
- {"iyy", 3, dch_date, DCH_IYY, TRUE},
- {"iy", 2, dch_date, DCH_IY, TRUE},
- {"i", 1, dch_date, DCH_I, TRUE},
- {"j", 1, dch_time, DCH_J, TRUE}, /* j */
- {"mi", 2, dch_time, DCH_MI, TRUE}, /* m */
- {"mm", 2, dch_date, DCH_MM, TRUE},
- {"month", 5, dch_date, DCH_month, FALSE},
- {"mon", 3, dch_date, DCH_mon, FALSE},
- {"ms", 2, dch_time, DCH_MS, TRUE},
- {"p.m.", 4, dch_time, DCH_p_m, FALSE}, /* p */
- {"pm", 2, dch_time, DCH_pm, FALSE},
- {"q", 1, dch_date, DCH_Q, TRUE}, /* q */
- {"rm", 2, dch_date, DCH_rm, FALSE}, /* r */
- {"ssss", 4, dch_time, DCH_SSSS, TRUE}, /* s */
- {"ss", 2, dch_time, DCH_SS, TRUE},
- {"tz", 2, dch_time, DCH_tz, FALSE}, /* t */
- {"us", 2, dch_time, DCH_US, TRUE}, /* u */
- {"ww", 2, dch_date, DCH_WW, TRUE}, /* w */
- {"w", 1, dch_date, DCH_W, TRUE},
- {"y,yyy", 5, dch_date, DCH_Y_YYY, TRUE}, /* y */
- {"yyyy", 4, dch_date, DCH_YYYY, TRUE},
- {"yyy", 3, dch_date, DCH_YYY, TRUE},
- {"yy", 2, dch_date, DCH_YY, TRUE},
- {"y", 1, dch_date, DCH_Y, TRUE},
-/* last */
-{NULL, 0, NULL, 0}};
+/* name, len, id, is_digit is in Index */
+ {"A.D.", 4, DCH_A_D, FALSE}, /* A */
+ {"A.M.", 4, DCH_A_M, FALSE},
+ {"AD", 2, DCH_AD, FALSE},
+ {"AM", 2, DCH_AM, FALSE},
+ {"B.C.", 4, DCH_B_C, FALSE}, /* B */
+ {"BC", 2, DCH_BC, FALSE},
+ {"CC", 2, DCH_CC, TRUE}, /* C */
+ {"DAY", 3, DCH_DAY, FALSE}, /* D */
+ {"DDD", 3, DCH_DDD, TRUE},
+ {"DD", 2, DCH_DD, TRUE},
+ {"DY", 2, DCH_DY, FALSE},
+ {"Day", 3, DCH_Day, FALSE},
+ {"Dy", 2, DCH_Dy, FALSE},
+ {"D", 1, DCH_D, TRUE},
+ {"FX", 2, DCH_FX, FALSE}, /* F */
+ {"HH24", 4, DCH_HH24, TRUE}, /* H */
+ {"HH12", 4, DCH_HH12, TRUE},
+ {"HH", 2, DCH_HH, TRUE},
+ {"IDDD", 4, DCH_IDDD, TRUE}, /* I */
+ {"ID", 2, DCH_ID, TRUE},
+ {"IW", 2, DCH_IW, TRUE},
+ {"IYYY", 4, DCH_IYYY, TRUE},
+ {"IYY", 3, DCH_IYY, TRUE},
+ {"IY", 2, DCH_IY, TRUE},
+ {"I", 1, DCH_I, TRUE},
+ {"J", 1, DCH_J, TRUE}, /* J */
+ {"MI", 2, DCH_MI, TRUE}, /* M */
+ {"MM", 2, DCH_MM, TRUE},
+ {"MONTH", 5, DCH_MONTH, FALSE},
+ {"MON", 3, DCH_MON, FALSE},
+ {"MS", 2, DCH_MS, TRUE},
+ {"Month", 5, DCH_Month, FALSE},
+ {"Mon", 3, DCH_Mon, FALSE},
+ {"P.M.", 4, DCH_P_M, FALSE}, /* P */
+ {"PM", 2, DCH_PM, FALSE},
+ {"Q", 1, DCH_Q, TRUE}, /* Q */
+ {"RM", 2, DCH_RM, FALSE}, /* R */
+ {"SSSS", 4, DCH_SSSS, TRUE}, /* S */
+ {"SS", 2, DCH_SS, TRUE},
+ {"TZ", 2, DCH_TZ, FALSE}, /* T */
+ {"US", 2, DCH_US, TRUE}, /* U */
+ {"WW", 2, DCH_WW, TRUE}, /* W */
+ {"W", 1, DCH_W, TRUE},
+ {"Y,YYY", 5, DCH_Y_YYY, TRUE}, /* Y */
+ {"YYYY", 4, DCH_YYYY, TRUE},
+ {"YYY", 3, DCH_YYY, TRUE},
+ {"YY", 2, DCH_YY, TRUE},
+ {"Y", 1, DCH_Y, TRUE},
+ {"a.d.", 4, DCH_a_d, FALSE}, /* a */
+ {"a.m.", 4, DCH_a_m, FALSE},
+ {"ad", 2, DCH_ad, FALSE},
+ {"am", 2, DCH_am, FALSE},
+ {"b.c.", 4, DCH_b_c, FALSE}, /* b */
+ {"bc", 2, DCH_bc, FALSE},
+ {"cc", 2, DCH_CC, TRUE}, /* c */
+ {"day", 3, DCH_day, FALSE}, /* d */
+ {"ddd", 3, DCH_DDD, TRUE},
+ {"dd", 2, DCH_DD, TRUE},
+ {"dy", 2, DCH_dy, FALSE},
+ {"d", 1, DCH_D, TRUE},
+ {"fx", 2, DCH_FX, FALSE}, /* f */
+ {"hh24", 4, DCH_HH24, TRUE}, /* h */
+ {"hh12", 4, DCH_HH12, TRUE},
+ {"hh", 2, DCH_HH, TRUE},
+ {"iddd", 4, DCH_IDDD, TRUE}, /* i */
+ {"id", 2, DCH_ID, TRUE},
+ {"iw", 2, DCH_IW, TRUE},
+ {"iyyy", 4, DCH_IYYY, TRUE},
+ {"iyy", 3, DCH_IYY, TRUE},
+ {"iy", 2, DCH_IY, TRUE},
+ {"i", 1, DCH_I, TRUE},
+ {"j", 1, DCH_J, TRUE}, /* j */
+ {"mi", 2, DCH_MI, TRUE}, /* m */
+ {"mm", 2, DCH_MM, TRUE},
+ {"month", 5, DCH_month, FALSE},
+ {"mon", 3, DCH_mon, FALSE},
+ {"ms", 2, DCH_MS, TRUE},
+ {"p.m.", 4, DCH_p_m, FALSE}, /* p */
+ {"pm", 2, DCH_pm, FALSE},
+ {"q", 1, DCH_Q, TRUE}, /* q */
+ {"rm", 2, DCH_rm, FALSE}, /* r */
+ {"ssss", 4, DCH_SSSS, TRUE}, /* s */
+ {"ss", 2, DCH_SS, TRUE},
+ {"tz", 2, DCH_tz, FALSE}, /* t */
+ {"us", 2, DCH_US, TRUE}, /* u */
+ {"ww", 2, DCH_WW, TRUE}, /* w */
+ {"w", 1, DCH_W, TRUE},
+ {"y,yyy", 5, DCH_Y_YYY, TRUE}, /* y */
+ {"yyyy", 4, DCH_YYYY, TRUE},
+ {"yyy", 3, DCH_YYY, TRUE},
+ {"yy", 2, DCH_YY, TRUE},
+ {"y", 1, DCH_Y, TRUE},
+
+ /* last */
+ {NULL, 0, 0, 0}
+};
/* ----------
- * KeyWords for NUMBER version (now, isitdigit info is not needful here..)
+ * KeyWords for NUMBER version (is_digit field is not needful here...)
* ----------
*/
static const KeyWord NUM_keywords[] = {
-/* keyword, len, func. type is in Index */
- {",", 1, NULL, NUM_COMMA}, /* , */
- {".", 1, NULL, NUM_DEC}, /* . */
- {"0", 1, NULL, NUM_0}, /* 0 */
- {"9", 1, NULL, NUM_9}, /* 9 */
- {"B", 1, NULL, NUM_B}, /* B */
- {"C", 1, NULL, NUM_C}, /* C */
- {"D", 1, NULL, NUM_D}, /* D */
- {"E", 1, NULL, NUM_E}, /* E */
- {"FM", 2, NULL, NUM_FM}, /* F */
- {"G", 1, NULL, NUM_G}, /* G */
- {"L", 1, NULL, NUM_L}, /* L */
- {"MI", 2, NULL, NUM_MI}, /* M */
- {"PL", 2, NULL, NUM_PL}, /* P */
- {"PR", 2, NULL, NUM_PR},
- {"RN", 2, NULL, NUM_RN}, /* R */
- {"SG", 2, NULL, NUM_SG}, /* S */
- {"SP", 2, NULL, NUM_SP},
- {"S", 1, NULL, NUM_S},
- {"TH", 2, NULL, NUM_TH}, /* T */
- {"V", 1, NULL, NUM_V}, /* V */
- {"b", 1, NULL, NUM_B}, /* b */
- {"c", 1, NULL, NUM_C}, /* c */
- {"d", 1, NULL, NUM_D}, /* d */
- {"e", 1, NULL, NUM_E}, /* e */
- {"fm", 2, NULL, NUM_FM}, /* f */
- {"g", 1, NULL, NUM_G}, /* g */
- {"l", 1, NULL, NUM_L}, /* l */
- {"mi", 2, NULL, NUM_MI}, /* m */
- {"pl", 2, NULL, NUM_PL}, /* p */
- {"pr", 2, NULL, NUM_PR},
- {"rn", 2, NULL, NUM_rn}, /* r */
- {"sg", 2, NULL, NUM_SG}, /* s */
- {"sp", 2, NULL, NUM_SP},
- {"s", 1, NULL, NUM_S},
- {"th", 2, NULL, NUM_th}, /* t */
- {"v", 1, NULL, NUM_V}, /* v */
-
-/* last */
-{NULL, 0, NULL, 0}};
+/* name, len, id is in Index */
+ {",", 1, NUM_COMMA}, /* , */
+ {".", 1, NUM_DEC}, /* . */
+ {"0", 1, NUM_0}, /* 0 */
+ {"9", 1, NUM_9}, /* 9 */
+ {"B", 1, NUM_B}, /* B */
+ {"C", 1, NUM_C}, /* C */
+ {"D", 1, NUM_D}, /* D */
+ {"E", 1, NUM_E}, /* E */
+ {"FM", 2, NUM_FM}, /* F */
+ {"G", 1, NUM_G}, /* G */
+ {"L", 1, NUM_L}, /* L */
+ {"MI", 2, NUM_MI}, /* M */
+ {"PL", 2, NUM_PL}, /* P */
+ {"PR", 2, NUM_PR},
+ {"RN", 2, NUM_RN}, /* R */
+ {"SG", 2, NUM_SG}, /* S */
+ {"SP", 2, NUM_SP},
+ {"S", 1, NUM_S},
+ {"TH", 2, NUM_TH}, /* T */
+ {"V", 1, NUM_V}, /* V */
+ {"b", 1, NUM_B}, /* b */
+ {"c", 1, NUM_C}, /* c */
+ {"d", 1, NUM_D}, /* d */
+ {"e", 1, NUM_E}, /* e */
+ {"fm", 2, NUM_FM}, /* f */
+ {"g", 1, NUM_G}, /* g */
+ {"l", 1, NUM_L}, /* l */
+ {"mi", 2, NUM_MI}, /* m */
+ {"pl", 2, NUM_PL}, /* p */
+ {"pr", 2, NUM_PR},
+ {"rn", 2, NUM_rn}, /* r */
+ {"sg", 2, NUM_SG}, /* s */
+ {"sp", 2, NUM_SP},
+ {"s", 1, NUM_S},
+ {"th", 2, NUM_th}, /* t */
+ {"v", 1, NUM_V}, /* v */
+
+ /* last */
+ {NULL, 0, 0}
+};
/* ----------
-1, -1, DCH_p_m, DCH_q, DCH_rm, DCH_ssss, DCH_tz, DCH_us, -1, DCH_ww,
-1, DCH_y_yyy, -1, -1, -1, -1
- /*---- chars over 126 are skiped ----*/
+ /*---- chars over 126 are skipped ----*/
};
/* ----------
/*
0 1 2 3 4 5 6 7 8 9
*/
- /*---- first 0..31 chars are skiped ----*/
+ /*---- first 0..31 chars are skipped ----*/
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, NUM_COMMA, -1, NUM_DEC, -1, NUM_0, -1,
-1, -1, NUM_pl, -1, NUM_rn, NUM_sg, NUM_th, -1, NUM_v, -1,
-1, -1, -1, -1, -1, -1
- /*---- chars over 126 are skiped ----*/
+ /*---- chars over 126 are skipped ----*/
};
/* ----------
static void NUMDesc_prepare(NUMDesc *num, FormatNode *n);
static void parse_format(FormatNode *node, char *str, const KeyWord *kw,
KeySuffix *suf, const int *index, int ver, NUMDesc *Num);
-static char *DCH_processor(FormatNode *node, char *inout, bool is_to_char,
- bool is_interval, void *data);
+
+static void DCH_to_char(FormatNode *node, bool is_interval,
+ TmToChar *in, char *out);
+static void DCH_from_char(FormatNode *node, char *in, TmFromChar *out);
#ifdef DEBUG_TO_FROM_CHAR
static void dump_index(const KeyWord *k, const int *index);
static char *str_toupper(char *buff);
static char *str_tolower(char *buff);
-/* static int is_acdc(char *str, int *len); */
static int seq_search(char *name, char **array, int type, int max, int *len);
static void do_to_timestamp(text *date_txt, text *fmt,
struct pg_tm * tm, fsec_t *fsec);
return;
}
-/* ----------
- * Call keyword's function for each of (action) node in format-node tree
- * ----------
- */
-static char *
-DCH_processor(FormatNode *node, char *inout, bool is_to_char,
- bool is_interval, void *data)
-{
- FormatNode *n;
- char *s;
-
- /*
- * Zeroing global flags
- */
- DCH_global_fx = false;
-
- for (n = node, s = inout; n->type != NODE_TYPE_END; n++)
- {
- if (!is_to_char && *s == '\0')
-
- /*
- * The input string is shorter than format picture, so it's good
- * time to break this loop...
- *
- * Note: this isn't relevant for TO_CHAR mode, because it uses
- * 'inout' allocated by format picture length.
- */
- break;
-
- if (n->type == NODE_TYPE_ACTION)
- {
- int len;
-
- /*
- * Call node action function
- */
- len = n->key->action(n->key->id, s, n->suffix, is_to_char,
- is_interval, n, data);
- if (len > 0)
- s += len - 1; /* s++ is at the end of the loop */
- else if (len == -1)
- continue;
- }
- else
- {
- /*
- * Remove to output char from input in TO_CHAR
- */
- if (is_to_char)
- *s = n->character;
- else
- {
- /*
- * Skip blank space in FROM_CHAR's input
- */
- if (isspace((unsigned char) n->character) && !DCH_global_fx)
- while (*s != '\0' && isspace((unsigned char) *(s + 1)))
- ++s;
- }
- }
- ++s;
- }
-
- if (is_to_char)
- *s = '\0';
- return inout;
-}
-
-
/* ----------
* DEBUG: Dump the FormatNode Tree (debug)
* ----------
*/
#define SKIP_THth(_suf) (S_THth(_suf) ? 2 : 0)
-
-/* ----------
- * Global format option for DCH version
- * ----------
- */
-static int
-dch_global(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
- FormatNode *node, void *data)
-{
- if (arg == DCH_FX)
- DCH_global_fx = true;
- return -1;
-}
-
/* ----------
* Return TRUE if next format picture is not digit value
* ----------
if (n->type == NODE_TYPE_ACTION)
{
- if (n->key->isitdigit)
+ if (n->key->is_digit)
return FALSE;
return TRUE;
(errcode(ERRCODE_INVALID_DATETIME_FORMAT), \
errmsg("invalid AM/PM string")));
+#define CHECK_SEQ_SEARCH(_l, _s) \
+do { \
+ if ((_l) <= 0) { \
+ ereport(ERROR, \
+ (errcode(ERRCODE_INVALID_DATETIME_FORMAT), \
+ errmsg("invalid value for %s", (_s)))); \
+ } \
+} while (0)
+
/* ----------
- * Master function of TIME for:
- * TO_CHAR - write (inout) formated string
- * FROM_CHAR - scan (inout) string by course of FormatNode
+ * Process a TmToChar struct as denoted by a list of FormatNodes.
+ * The formatted data is written to the string pointed to by 'out'.
* ----------
*/
-static int
-dch_time(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
- FormatNode *node, void *data)
+static void
+DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
{
- char *p_inout = inout;
- struct pg_tm *tm = NULL;
- TmFromChar *tmfc = NULL;
- TmToChar *tmtc = NULL;
+ FormatNode *n;
+ char *s;
+ struct pg_tm *tm = &in->tm;
+ char buff[DCH_CACHE_SIZE],
+ workbuff[32];
+ int i;
- if (is_to_char)
+ s = out;
+ for (n = node; n->type != NODE_TYPE_END; n++)
{
- tmtc = (TmToChar *) data;
- tm = tmtcTm(tmtc);
- }
- else
- tmfc = (TmFromChar *) data;
+ if (n->type != NODE_TYPE_ACTION)
+ {
+ *s = n->character;
+ s++;
+ continue;
+ }
- switch (arg)
- {
- case DCH_A_M:
- case DCH_P_M:
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
+ 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);
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, P_M_STR, 4) == 0)
- tmfc->pm = TRUE;
- else if (strncmp(inout, A_M_STR, 4) == 0)
- tmfc->am = TRUE;
- else
- AMPM_ERROR;
- return strlen(P_M_STR);
- }
- break;
- case DCH_AM:
- case DCH_PM:
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
+ 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);
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, PM_STR, 2) == 0)
- tmfc->pm = TRUE;
- else if (strncmp(inout, AM_STR, 2) == 0)
- tmfc->am = TRUE;
- else
- AMPM_ERROR;
- return strlen(PM_STR);
- }
- break;
- case DCH_a_m:
- case DCH_p_m:
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
+ 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);
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, p_m_STR, 4) == 0)
- tmfc->pm = TRUE;
- else if (strncmp(inout, a_m_STR, 4) == 0)
- tmfc->am = TRUE;
- else
- AMPM_ERROR;
- return strlen(p_m_STR);
- }
- break;
- case DCH_am:
- case DCH_pm:
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_hour % HOURS_PER_DAY >= HOURS_PER_DAY / 2)
+ 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);
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, pm_STR, 2) == 0)
- tmfc->pm = TRUE;
- else if (strncmp(inout, am_STR, 2) == 0)
- tmfc->am = TRUE;
- else
- AMPM_ERROR;
- return strlen(pm_STR);
- }
- break;
- case DCH_HH:
- case DCH_HH12:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
+ s += strlen(s);
+ break;
+ case DCH_HH:
+ case DCH_HH12:
+ sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2,
tm->tm_hour % (HOURS_PER_DAY / 2) == 0 ? 12 :
tm->tm_hour % (HOURS_PER_DAY / 2));
- if (S_THth(suf))
- str_numth(p_inout, inout, 0);
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ if (S_THth(n->suffix))
+ str_numth(s, s, 0);
+ s += strlen(s);
+ break;
+ case DCH_HH24:
+ sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2, 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 : 2, 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 : 2, tm->tm_sec);
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_MS: /* millisecond */
+#ifdef HAVE_INT64_TIMESTAMP
+ sprintf(s, "%03d", (int) (in->fsec / INT64CONST(1000)));
+#else
+ /* No rint() because we can't overflow and we might print US */
+ sprintf(s, "%03d", (int) (in->fsec * 1000));
+#endif
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_US: /* microsecond */
+#ifdef HAVE_INT64_TIMESTAMP
+ sprintf(s, "%06d", (int) in->fsec);
+#else
+ /* don't use rint() because we can't overflow 1000 */
+ sprintf(s, "%06d", (int) (in->fsec * 1000000));
+#endif
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_SSSS:
+ sprintf(s, "%d", 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))
+ {
+ char *p = pstrdup(tmtcTzn(in));
+
+ strcpy(s, str_tolower(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_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))
{
- sscanf(inout, "%d", &tmfc->hh);
- return strdigits_len(inout) + SKIP_THth(suf);
+ strcpy(workbuff, localize_month_full(tm->tm_mon - 1));
+ sprintf(s, "%*s", 0, localized_str_toupper(workbuff));
}
else
{
- sscanf(inout, "%02d", &tmfc->hh);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ strcpy(workbuff, months_full[tm->tm_mon - 1]);
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9, str_toupper(workbuff));
}
- }
- break;
- case DCH_HH24:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_hour);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_Month:
+ INVALID_FOR_INTERVAL;
+ if (!tm->tm_mon)
+ break;
+ if (S_TM(n->suffix))
+ sprintf(s, "%*s", 0, localize_month_full(tm->tm_mon - 1));
+ 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))
{
- sscanf(inout, "%d", &tmfc->hh);
- return strdigits_len(inout) + SKIP_THth(suf);
+ strcpy(workbuff, localize_month_full(tm->tm_mon - 1));
+ sprintf(s, "%*s", 0, localized_str_tolower(workbuff));
}
else
{
- sscanf(inout, "%02d", &tmfc->hh);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9, months_full[tm->tm_mon - 1]);
+ *s = pg_tolower((unsigned char) *s);
}
- }
- break;
- case DCH_MI:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_min);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_MON:
+ INVALID_FOR_INTERVAL;
+ if (!tm->tm_mon)
+ break;
+ if (S_TM(n->suffix))
{
- sscanf(inout, "%d", &tmfc->mi);
- return strdigits_len(inout) + SKIP_THth(suf);
+ strcpy(workbuff, localize_month(tm->tm_mon - 1));
+ strcpy(s, localized_str_toupper(workbuff));
}
else
{
- sscanf(inout, "%02d", &tmfc->mi);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ strcpy(s, months[tm->tm_mon - 1]);
+ str_toupper(s);
}
- }
- break;
- case DCH_SS:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_sec);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_Mon:
+ INVALID_FOR_INTERVAL;
+ if (!tm->tm_mon)
+ break;
+ if (S_TM(n->suffix))
+ strcpy(s, localize_month(tm->tm_mon - 1));
+ 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))
{
- sscanf(inout, "%d", &tmfc->ss);
- return strdigits_len(inout) + SKIP_THth(suf);
+ strcpy(workbuff, localize_month(tm->tm_mon - 1));
+ strcpy(s, localized_str_tolower(workbuff));
}
else
{
- sscanf(inout, "%02d", &tmfc->ss);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ strcpy(s, months[tm->tm_mon - 1]);
+ *s = pg_tolower((unsigned char) *s);
}
- }
- break;
- case DCH_MS: /* millisecond */
- if (is_to_char)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- sprintf(inout, "%03d", (int) (tmtc->fsec / INT64CONST(1000)));
-#else
- /* No rint() because we can't overflow and we might print US */
- sprintf(inout, "%03d", (int) (tmtc->fsec * 1000));
-#endif
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int len,
- x;
-
- if (is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_MM:
+ sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2, 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))
{
- sscanf(inout, "%d", &tmfc->ms);
- len = x = strdigits_len(inout);
+ strcpy(workbuff, localize_day_full(tm->tm_wday));
+ sprintf(s, "%*s", 0, localized_str_toupper(workbuff));
}
else
{
- sscanf(inout, "%03d", &tmfc->ms);
- x = strdigits_len(inout);
- len = x = x > 3 ? 3 : x;
+ strcpy(workbuff, days[tm->tm_wday]);
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9, str_toupper(workbuff));
}
-
- /*
- * 25 is 0.25 and 250 is 0.25 too; 025 is 0.025 and not 0.25
- */
- tmfc->ms *= x == 1 ? 100 :
- x == 2 ? 10 : 1;
-
- /*
- * elog(DEBUG3, "X: %d, MS: %d, LEN: %d", x, tmfc->ms, len);
- */
- return len + SKIP_THth(suf);
- }
- break;
- case DCH_US: /* microsecond */
- if (is_to_char)
- {
-#ifdef HAVE_INT64_TIMESTAMP
- sprintf(inout, "%06d", (int) tmtc->fsec);
-#else
- /* don't use rint() because we can't overflow 1000 */
- sprintf(inout, "%06d", (int) (tmtc->fsec * 1000000));
-#endif
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int len,
- x;
-
- if (is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_Day:
+ INVALID_FOR_INTERVAL;
+ if (S_TM(n->suffix))
+ sprintf(s, "%*s", 0, localize_day_full(tm->tm_wday));
+ 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))
{
- sscanf(inout, "%d", &tmfc->us);
- len = x = strdigits_len(inout);
+ strcpy(workbuff, localize_day_full(tm->tm_wday));
+ sprintf(s, "%*s", 0, localized_str_tolower(workbuff));
}
else
{
- sscanf(inout, "%06d", &tmfc->us);
- x = strdigits_len(inout);
- len = x = x > 6 ? 6 : x;
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -9, days[tm->tm_wday]);
+ *s = pg_tolower((unsigned char) *s);
}
-
- tmfc->us *= x == 1 ? 100000 :
- x == 2 ? 10000 :
- x == 3 ? 1000 :
- x == 4 ? 100 :
- x == 5 ? 10 : 1;
-
- /*
- * elog(DEBUG3, "X: %d, US: %d, LEN: %d", x, tmfc->us, len);
- */
- return len + SKIP_THth(suf);
- }
- break;
- case DCH_SSSS:
- if (is_to_char)
- {
- sprintf(inout, "%d", tm->tm_hour * SECS_PER_HOUR +
- tm->tm_min * SECS_PER_MINUTE +
- tm->tm_sec);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ s += strlen(s);
+ break;
+ case DCH_DY:
+ INVALID_FOR_INTERVAL;
+ if (S_TM(n->suffix))
{
- sscanf(inout, "%d", &tmfc->ssss);
- return strdigits_len(inout) + SKIP_THth(suf);
+ strcpy(workbuff, localize_day(tm->tm_wday));
+ strcpy(s, localized_str_toupper(workbuff));
}
else
{
- sscanf(inout, "%05d", &tmfc->ssss);
- return strspace_len(inout) + 5 + SKIP_THth(suf);
+ strcpy(s, days_short[tm->tm_wday]);
+ str_toupper(s);
}
- }
- break;
- case DCH_tz:
- case DCH_TZ:
- INVALID_FOR_INTERVAL;
- if (is_to_char && tmtcTzn(tmtc))
- {
- if (arg == DCH_TZ)
- strcpy(inout, tmtcTzn(tmtc));
+ s += strlen(s);
+ break;
+ case DCH_Dy:
+ INVALID_FOR_INTERVAL;
+ if (S_TM(n->suffix))
+ strcpy(s, localize_day(tm->tm_wday));
else
+ strcpy(s, days_short[tm->tm_wday]);
+ s += strlen(s);
+ break;
+ case DCH_dy:
+ INVALID_FOR_INTERVAL;
+ if (S_TM(n->suffix))
{
- char *p = pstrdup(tmtcTzn(tmtc));
-
- strcpy(inout, str_tolower(p));
- pfree(p);
+ strcpy(workbuff, localize_day(tm->tm_wday));
+ strcpy(s, localized_str_tolower(workbuff));
}
- return strlen(inout);
- }
- else if (!is_to_char)
- ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("\"TZ\"/\"tz\" not supported")));
+ else
+ {
+ strcpy(s, days_short[tm->tm_wday]);
+ *s = pg_tolower((unsigned char) *s);
+ }
+ 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 /* century 21 starts in 2001 */
+ i = (tm->tm_year - 1) / 100 + 1;
+ if (i <= 99 && i >= -99)
+ sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2, 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:
+ if (tm->tm_year <= 9999 && tm->tm_year >= -9998)
+ sprintf(s, "%0*d",
+ S_FM(n->suffix) ? 0 : 4,
+ 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));
+ else
+ sprintf(s, "%d",
+ 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:
+ snprintf(buff, sizeof(buff), "%03d",
+ 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));
+ i = strlen(buff);
+ strcpy(s, buff + (i - 3));
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_YY:
+ case DCH_IY:
+ snprintf(buff, sizeof(buff), "%02d",
+ 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));
+ i = strlen(buff);
+ strcpy(s, buff + (i - 2));
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_Y:
+ case DCH_I:
+ snprintf(buff, sizeof(buff), "%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));
+ i = strlen(buff);
+ strcpy(s, buff + (i - 1));
+ if (S_THth(n->suffix))
+ str_numth(s, s, S_TH_TYPE(n->suffix));
+ s += strlen(s);
+ break;
+ case DCH_RM:
+ if (!tm->tm_mon)
+ break;
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -4,
+ rm_months_upper[12 - tm->tm_mon]);
+ s += strlen(s);
+ break;
+ case DCH_rm:
+ if (!tm->tm_mon)
+ break;
+ sprintf(s, "%*s", S_FM(n->suffix) ? 0 : -4,
+ rm_months_lower[12 - tm->tm_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;
+ }
}
- return -1;
-}
-
-#define CHECK_SEQ_SEARCH(_l, _s) \
-do { \
- if ((_l) <= 0) { \
- ereport(ERROR, \
- (errcode(ERRCODE_INVALID_DATETIME_FORMAT), \
- errmsg("invalid value for %s", (_s)))); \
- } \
-} while (0)
+ *s = '\0';
+}
/* ----------
- * Master of DATE for:
- * TO_CHAR - write (inout) formated string
- * FROM_CHAR - scan (inout) string by course of FormatNode
+ * Process a string as denoted by a list of FormatNodes.
+ * The TmFromChar struct pointed to by 'out' is populated with the results.
+ *
+ * Note: we currently don't have any to_interval() function, so there
+ * is no need here for INVALID_FOR_INTERVAL checks.
* ----------
*/
-static int
-dch_date(int arg, char *inout, int suf, bool is_to_char, bool is_interval,
- FormatNode *node, void *data)
+static void
+DCH_from_char(FormatNode *node, char *in, TmFromChar *out)
{
- char buff[DCH_CACHE_SIZE],
- workbuff[32],
- *p_inout = inout;
- int i,
- len;
- struct pg_tm *tm = NULL;
- TmFromChar *tmfc = NULL;
- TmToChar *tmtc = NULL;
+ FormatNode *n;
+ char *s;
+ int len,
+ x;
+ int *target;
+ bool fx_mode = false;
- if (is_to_char)
+ for (n = node, s = in; n->type != NODE_TYPE_END && *s != '\0'; n++)
{
- tmtc = (TmToChar *) data;
- tm = tmtcTm(tmtc);
- }
- else
- tmfc = (TmFromChar *) data;
-
- /*
- * In the FROM-char there is no difference between "January" or "JANUARY"
- * or "january", all is before search convert to "first-upper". This
- * convention is used for MONTH, MON, DAY, DY
- */
- if (!is_to_char)
- {
- if (arg == DCH_MONTH || arg == DCH_Month || arg == DCH_month)
- {
- tmfc->mm = seq_search(inout, months_full, ONE_UPPER, FULL_SIZ, &len) + 1;
- CHECK_SEQ_SEARCH(len, "MONTH/Month/month");
- return len;
- }
- else if (arg == DCH_MON || arg == DCH_Mon || arg == DCH_mon)
+ if (n->type != NODE_TYPE_ACTION)
{
- tmfc->mm = seq_search(inout, months, ONE_UPPER, MAX_MON_LEN, &len) + 1;
- CHECK_SEQ_SEARCH(len, "MON/Mon/mon");
- return 3;
- }
- else if (arg == DCH_DAY || arg == DCH_Day || arg == DCH_day)
- {
- tmfc->d = seq_search(inout, days, ONE_UPPER, FULL_SIZ, &len);
- CHECK_SEQ_SEARCH(len, "DAY/Day/day");
- return len;
- }
- else if (arg == DCH_DY || arg == DCH_Dy || arg == DCH_dy)
- {
- tmfc->d = seq_search(inout, days, ONE_UPPER, MAX_DY_LEN, &len);
- CHECK_SEQ_SEARCH(len, "DY/Dy/dy");
- return 3;
- }
- }
-
- switch (arg)
- {
- case DCH_A_D:
- case DCH_B_C:
- INVALID_FOR_INTERVAL;
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_year <= 0 ? B_C_STR : A_D_STR));
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, B_C_STR, 4) == 0)
- tmfc->bc = TRUE;
- return 4;
- }
- break;
- case DCH_AD:
- case DCH_BC:
- INVALID_FOR_INTERVAL;
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_year <= 0 ? BC_STR : AD_STR));
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, BC_STR, 2) == 0)
- tmfc->bc = TRUE;
- return 2;
- }
- break;
- case DCH_a_d:
- case DCH_b_c:
- INVALID_FOR_INTERVAL;
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_year <= 0 ? b_c_STR : a_d_STR));
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, b_c_STR, 4) == 0)
- tmfc->bc = TRUE;
- return 4;
- }
- break;
- case DCH_ad:
- case DCH_bc:
- INVALID_FOR_INTERVAL;
- if (is_to_char)
- {
- strcpy(inout, (tm->tm_year <= 0 ? bc_STR : ad_STR));
- return strlen(p_inout);
- }
- else
- {
- if (strncmp(inout, bc_STR, 2) == 0)
- tmfc->bc = TRUE;
- return 2;
- }
- break;
- case DCH_MONTH:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_month_full(tm->tm_mon - 1));
- sprintf(inout, "%*s", 0, localized_str_toupper(workbuff));
- }
- else
- {
- strcpy(workbuff, months_full[tm->tm_mon - 1]);
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(workbuff));
- }
- return strlen(p_inout);
-
- case DCH_Month:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
- sprintf(inout, "%*s", 0, localize_month_full(tm->tm_mon - 1));
- else
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[tm->tm_mon - 1]);
- return strlen(p_inout);
-
- case DCH_month:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_month_full(tm->tm_mon - 1));
- sprintf(inout, "%*s", 0, localized_str_tolower(workbuff));
- }
- else
- {
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, months_full[tm->tm_mon - 1]);
- *inout = pg_tolower((unsigned char) *inout);
- }
- return strlen(p_inout);
-
- case DCH_MON:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_month(tm->tm_mon - 1));
- strcpy(inout, localized_str_toupper(workbuff));
- }
- else
- {
- strcpy(inout, months[tm->tm_mon - 1]);
- str_toupper(inout);
- }
- return strlen(p_inout);
-
- case DCH_Mon:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
- strcpy(inout, localize_month(tm->tm_mon - 1));
- else
- strcpy(inout, months[tm->tm_mon - 1]);
- return strlen(p_inout);
-
- case DCH_mon:
- INVALID_FOR_INTERVAL;
- if (!tm->tm_mon)
- return -1;
- if (S_TM(suf))
+ s++;
+ /* Ignore spaces when not in FX (fixed width) mode */
+ if (isspace((unsigned char) n->character) && !fx_mode)
{
- strcpy(workbuff, localize_month(tm->tm_mon - 1));
- strcpy(inout, localized_str_tolower(workbuff));
+ while (*s != '\0' && isspace((unsigned char) *s))
+ s++;
}
- else
- {
- strcpy(inout, months[tm->tm_mon - 1]);
- *inout = pg_tolower((unsigned char) *inout);
- }
- return strlen(p_inout);
+ continue;
+ }
- case DCH_MM:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mon);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ switch (n->key->id)
+ {
+ case DCH_FX:
+ fx_mode = true;
+ break;
+ case DCH_A_M:
+ case DCH_P_M:
+ if (strncmp(s, P_M_STR, n->key->len) == 0)
+ out->pm = TRUE;
+ else if (strncmp(s, A_M_STR, n->key->len) == 0)
+ out->am = TRUE;
+ else
+ AMPM_ERROR;
+ s += strlen(P_M_STR);
+ break;
+ case DCH_AM:
+ case DCH_PM:
+ if (strncmp(s, PM_STR, n->key->len) == 0)
+ out->pm = TRUE;
+ else if (strncmp(s, AM_STR, n->key->len) == 0)
+ out->am = TRUE;
+ else
+ AMPM_ERROR;
+ s += strlen(PM_STR);
+ break;
+ case DCH_a_m:
+ case DCH_p_m:
+ if (strncmp(s, p_m_STR, n->key->len) == 0)
+ out->pm = TRUE;
+ else if (strncmp(s, a_m_STR, n->key->len) == 0)
+ out->am = TRUE;
+ else
+ AMPM_ERROR;
+ s += strlen(p_m_STR);
+ break;
+ case DCH_am:
+ case DCH_pm:
+ if (strncmp(s, pm_STR, n->key->len) == 0)
+ out->pm = TRUE;
+ else if (strncmp(s, am_STR, n->key->len) == 0)
+ out->am = TRUE;
+ else
+ AMPM_ERROR;
+ s += strlen(pm_STR);
+ break;
+ case DCH_HH:
+ case DCH_HH12:
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", &tmfc->mm);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", &out->hh);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%02d", &tmfc->mm);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sscanf(s, "%02d", &out->hh);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_HH24:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->hh);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
+ }
+ else
+ {
+ sscanf(s, "%02d", &out->hh);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_MI:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->mi);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
+ }
+ else
+ {
+ sscanf(s, "%02d", &out->mi);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_SS:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->ss);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
+ }
+ else
+ {
+ sscanf(s, "%02d", &out->ss);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_MS: /* millisecond */
+ if (is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->ms);
+ len = x = strdigits_len(s);
+ }
+ else
+ {
+ sscanf(s, "%03d", &out->ms);
+ x = strdigits_len(s);
+ len = x = x > 3 ? 3 : x;
}
- }
- break;
- case DCH_DAY:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_day_full(tm->tm_wday));
- sprintf(inout, "%*s", 0, localized_str_toupper(workbuff));
- }
- else
- {
- strcpy(workbuff, days[tm->tm_wday]);
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, str_toupper(workbuff));
- }
- return strlen(p_inout);
-
- case DCH_Day:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- sprintf(inout, "%*s", 0, localize_day_full(tm->tm_wday));
- else
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[tm->tm_wday]);
- return strlen(p_inout);
-
- case DCH_day:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_day_full(tm->tm_wday));
- sprintf(inout, "%*s", 0, localized_str_tolower(workbuff));
- }
- else
- {
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -9, days[tm->tm_wday]);
- *inout = pg_tolower((unsigned char) *inout);
- }
- return strlen(p_inout);
-
- case DCH_DY:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_day(tm->tm_wday));
- strcpy(inout, localized_str_toupper(workbuff));
- }
- else
- {
- strcpy(inout, days_short[tm->tm_wday]);
- str_toupper(inout);
- }
- return strlen(p_inout);
+ /*
+ * 25 is 0.25 and 250 is 0.25 too; 025 is 0.025 and not 0.25
+ */
+ out->ms *= x == 1 ? 100 :
+ x == 2 ? 10 : 1;
- case DCH_Dy:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- strcpy(inout, localize_day(tm->tm_wday));
- else
- strcpy(inout, days_short[tm->tm_wday]);
- return strlen(p_inout);
+ s += len + SKIP_THth(n->suffix);
+ break;
+ case DCH_US: /* microsecond */
+ if (is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->us);
+ len = x = strdigits_len(s);
+ }
+ else
+ {
+ sscanf(s, "%06d", &out->us);
+ x = strdigits_len(s);
+ len = x = x > 6 ? 6 : x;
+ }
- case DCH_dy:
- INVALID_FOR_INTERVAL;
- if (S_TM(suf))
- {
- strcpy(workbuff, localize_day(tm->tm_wday));
- strcpy(inout, localized_str_tolower(workbuff));
- }
- else
- {
- strcpy(inout, days_short[tm->tm_wday]);
- *inout = pg_tolower((unsigned char) *inout);
- }
- return strlen(p_inout);
+ out->us *= x == 1 ? 100000 :
+ x == 2 ? 10000 :
+ x == 3 ? 1000 :
+ x == 4 ? 100 :
+ x == 5 ? 10 : 1;
- case DCH_DDD:
- case DCH_IDDD:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 3,
- (arg == DCH_DDD) ?
- tm->tm_yday :
- date2isoyearday(tm->tm_year, tm->tm_mon, tm->tm_mday));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ s += len + SKIP_THth(n->suffix);
+ break;
+ case DCH_SSSS:
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", &tmfc->ddd);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", &out->ssss);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%03d", &tmfc->ddd);
- return strspace_len(inout) + 3 + SKIP_THth(suf);
+ sscanf(s, "%05d", &out->ssss);
+ s += strspace_len(s) + 5 + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_DD:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, tm->tm_mday);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ break;
+ case DCH_tz:
+ case DCH_TZ:
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("\"TZ\"/\"tz\" format patterns are not supported in to_date")));
+ case DCH_A_D:
+ case DCH_B_C:
+ if (strncmp(s, B_C_STR, n->key->len) == 0)
+ out->bc = TRUE;
+ s += n->key->len;
+ break;
+ case DCH_AD:
+ case DCH_BC:
+ if (strncmp(s, BC_STR, n->key->len) == 0)
+ out->bc = TRUE;
+ s += n->key->len;
+ break;
+ case DCH_a_d:
+ case DCH_b_c:
+ if (strncmp(s, b_c_STR, n->key->len) == 0)
+ out->bc = TRUE;
+ s += n->key->len;
+ break;
+ case DCH_ad:
+ case DCH_bc:
+ if (strncmp(s, bc_STR, n->key->len) == 0)
+ out->bc = TRUE;
+ s += n->key->len;
+ break;
+ case DCH_MONTH:
+ case DCH_Month:
+ case DCH_month:
+ out->mm = seq_search(s, months_full, ONE_UPPER, FULL_SIZ, &len) + 1;
+ CHECK_SEQ_SEARCH(len, "MONTH/Month/month");
+ s += len;
+ break;
+ case DCH_MON:
+ case DCH_Mon:
+ case DCH_mon:
+ out->mm = seq_search(s, months, ONE_UPPER, MAX_MON_LEN, &len) + 1;
+ CHECK_SEQ_SEARCH(len, "MON/Mon/mon");
+ s += len;
+ break;
+ case DCH_MM:
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", &tmfc->dd);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", &out->mm);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%02d", &tmfc->dd);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sscanf(s, "%02d", &out->mm);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_D:
- case DCH_ID:
- INVALID_FOR_INTERVAL;
- if (is_to_char)
- {
- if (arg == DCH_D)
- sprintf(inout, "%d", tm->tm_wday + 1);
- else
- sprintf(inout, "%d", (tm->tm_wday == 0) ? 7 : tm->tm_wday);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- sscanf(inout, "%1d", &tmfc->d);
- if (arg == DCH_D)
- tmfc->d--;
- return strspace_len(inout) + 1 + SKIP_THth(suf);
- }
- break;
- case DCH_WW:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
- (tm->tm_yday - 1) / 7 + 1);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ break;
+ case DCH_DAY:
+ case DCH_Day:
+ case DCH_day:
+ out->d = seq_search(s, days, ONE_UPPER, FULL_SIZ, &len);
+ CHECK_SEQ_SEARCH(len, "DAY/Day/day");
+ s += len;
+ break;
+ case DCH_DY:
+ case DCH_Dy:
+ case DCH_dy:
+ out->d = seq_search(s, days, ONE_UPPER, MAX_DY_LEN, &len);
+ CHECK_SEQ_SEARCH(len, "DY/Dy/dy");
+ s += len;
+ break;
+ case DCH_DDD:
+ case DCH_IDDD:
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", &tmfc->ww);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", &out->ddd);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%02d", &tmfc->ww);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sscanf(s, "%03d", &out->ddd);
+ s += strspace_len(s) + 3 + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_IW:
- if (is_to_char)
- {
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2,
- date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
+ break;
+ case DCH_DD:
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", &tmfc->iw);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", &out->dd);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%02d", &tmfc->iw);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sscanf(s, "%02d", &out->dd);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_D:
+ case DCH_ID:
+ sscanf(s, "%1d", &out->d);
+ if (n->key->id == DCH_D)
+ out->d--;
+ s += strspace_len(s) + 1 + SKIP_THth(n->suffix);
+ break;
+ case DCH_WW:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->ww);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_Q:
- if (is_to_char)
- {
- if (!tm->tm_mon)
- return -1;
- sprintf(inout, "%d", (tm->tm_mon - 1) / 3 + 1);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- sscanf(inout, "%1d", &tmfc->q);
- return strspace_len(inout) + 1 + SKIP_THth(suf);
- }
- break;
- case DCH_CC:
- if (is_to_char)
- {
- if (is_interval) /* straight calculation */
- i = tm->tm_year / 100;
- else /* century 21 starts in 2001 */
- i = (tm->tm_year - 1) / 100 + 1;
- if (i <= 99 && i >= -99)
- sprintf(inout, "%0*d", S_FM(suf) ? 0 : 2, i);
else
- sprintf(inout, "%d", i);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- if (S_FM(suf) || is_next_separator(node))
{
- sscanf(inout, "%d", &tmfc->cc);
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%02d", &out->ww);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_IW:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->iw);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%02d", &tmfc->cc);
- return strspace_len(inout) + 2 + SKIP_THth(suf);
+ sscanf(s, "%02d", &out->iw);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_Q:
+ /*
+ * We ignore Q when converting to date because it is not
+ * normative.
+ */
+ s += strspace_len(s) + 1 + SKIP_THth(n->suffix);
+ break;
+ case DCH_CC:
+ if (S_FM(n->suffix) || is_next_separator(n))
+ {
+ sscanf(s, "%d", &out->cc);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_Y_YYY:
- if (is_to_char)
- {
- i = ADJUST_YEAR(tm->tm_year, is_interval) / 1000;
- sprintf(inout, "%d,%03d", i, ADJUST_YEAR(tm->tm_year, is_interval) - (i * 1000));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int cc;
-
- sscanf(inout, "%d,%03d", &cc, &tmfc->year);
- tmfc->year += (cc * 1000);
- tmfc->yysz = 4;
- return strdigits_len(inout) + 4 + SKIP_THth(suf);
- }
- break;
- case DCH_YYYY:
- case DCH_IYYY:
- if (is_to_char)
- {
- if (tm->tm_year <= 9999 && tm->tm_year >= -9998)
- sprintf(inout, "%0*d",
- S_FM(suf) ? 0 : 4,
- arg == DCH_YYYY ?
- ADJUST_YEAR(tm->tm_year, is_interval) :
- ADJUST_YEAR(date2isoyear(
- tm->tm_year,
- tm->tm_mon,
- tm->tm_mday), is_interval));
else
- sprintf(inout, "%d",
- arg == 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(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int *field;
-
- field = (arg == DCH_YYYY) ? &tmfc->year : &tmfc->iyear;
+ {
+ sscanf(s, "%02d", &out->cc);
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ }
+ break;
+ case DCH_Y_YYY:
+ sscanf(s, "%d,%03d", &x, &out->year);
+ out->year += (x * 1000);
+ out->yysz = 4;
+ s += strdigits_len(s) + 4 + SKIP_THth(n->suffix);
+ break;
+ case DCH_YYYY:
+ case DCH_IYYY:
+ target = (n->key->id == DCH_YYYY) ? &out->year : &out->iyear;
- if (S_FM(suf) || is_next_separator(node))
+ if (S_FM(n->suffix) || is_next_separator(n))
{
- sscanf(inout, "%d", field);
- tmfc->yysz = 4;
- return strdigits_len(inout) + SKIP_THth(suf);
+ sscanf(s, "%d", target);
+ out->yysz = 4;
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
}
else
{
- sscanf(inout, "%04d", field);
- tmfc->yysz = 4;
- return strspace_len(inout) + 4 + SKIP_THth(suf);
+ sscanf(s, "%04d", target);
+ out->yysz = 4;
+ s += strspace_len(s) + 4 + SKIP_THth(n->suffix);
}
- }
- break;
- case DCH_YYY:
- case DCH_IYY:
- if (is_to_char)
- {
- snprintf(buff, sizeof(buff), "%03d",
- arg == DCH_YYY ?
- ADJUST_YEAR(tm->tm_year, is_interval) :
- ADJUST_YEAR(date2isoyear(tm->tm_year,
- tm->tm_mon, tm->tm_mday),
- is_interval));
- i = strlen(buff);
- strcpy(inout, buff + (i - 3));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int *field;
-
- field = (arg == DCH_YYY) ? &tmfc->year : &tmfc->iyear;
+ break;
+ case DCH_YYY:
+ case DCH_IYY:
+ target = (n->key->id == DCH_YYY) ? &out->year : &out->iyear;
- sscanf(inout, "%03d", field);
+ sscanf(s, "%03d", target);
/*
* 3-digit year: '100' ... '999' = 1100 ... 1999 '000' ...
* '099' = 2000 ... 2099
*/
- if (*field >= 100)
- *field += 1000;
+ if (*target >= 100)
+ *target += 1000;
else
- *field += 2000;
- tmfc->yysz = 3;
- return strspace_len(inout) + 3 + SKIP_THth(suf);
- }
- break;
- case DCH_YY:
- case DCH_IY:
- if (is_to_char)
- {
- snprintf(buff, sizeof(buff), "%02d",
- arg == DCH_YY ?
- ADJUST_YEAR(tm->tm_year, is_interval) :
- ADJUST_YEAR(date2isoyear(tm->tm_year,
- tm->tm_mon, tm->tm_mday),
- is_interval));
- i = strlen(buff);
- strcpy(inout, buff + (i - 2));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int *field;
-
- field = (arg == DCH_YY) ? &tmfc->year : &tmfc->iyear;
+ *target += 2000;
+ out->yysz = 3;
+ s += strspace_len(s) + 3 + SKIP_THth(n->suffix);
+ break;
+ case DCH_YY:
+ case DCH_IY:
+ target = (n->key->id == DCH_YY) ? &out->year : &out->iyear;
- sscanf(inout, "%02d", field);
+ sscanf(s, "%02d", target);
/*
* 2-digit year: '00' ... '69' = 2000 ... 2069 '70' ... '99'
* = 1970 ... 1999
*/
- if (*field < 70)
- *field += 2000;
+ if (*target < 70)
+ *target += 2000;
else
- *field += 1900;
- tmfc->yysz = 2;
- return strspace_len(inout) + 2 + SKIP_THth(suf);
- }
- break;
- case DCH_Y:
- case DCH_I:
- if (is_to_char)
- {
- snprintf(buff, sizeof(buff), "%1d",
- arg == DCH_Y ?
- ADJUST_YEAR(tm->tm_year, is_interval) :
- ADJUST_YEAR(date2isoyear(tm->tm_year,
- tm->tm_mon, tm->tm_mday),
- is_interval));
- i = strlen(buff);
- strcpy(inout, buff + (i - 1));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- int *field;
-
- field = (arg == DCH_Y) ? &tmfc->year : &tmfc->iyear;
+ *target += 1900;
+ out->yysz = 2;
+ s += strspace_len(s) + 2 + SKIP_THth(n->suffix);
+ break;
+ case DCH_Y:
+ case DCH_I:
+ target = (n->key->id == DCH_Y) ? &out->year : &out->iyear;
- sscanf(inout, "%1d", field);
+ sscanf(s, "%1d", target);
/*
* 1-digit year: always +2000
*/
- *field += 2000;
- tmfc->yysz = 1;
- return strspace_len(inout) + 1 + SKIP_THth(suf);
- }
- break;
- case DCH_RM:
- if (is_to_char)
- {
- if (!tm->tm_mon)
- return -1;
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
- rm_months_upper[12 - tm->tm_mon]);
- return strlen(p_inout);
- }
- else
- {
- tmfc->mm = 12 - seq_search(inout, rm_months_upper, ALL_UPPER, FULL_SIZ, &len);
+ *target += 2000;
+ out->yysz = 1;
+ s += strspace_len(s) + 1 + SKIP_THth(n->suffix);
+ break;
+ case DCH_RM:
+ out->mm = 12 - seq_search(s, rm_months_upper, ALL_UPPER, FULL_SIZ, &len);
CHECK_SEQ_SEARCH(len, "RM");
- return len;
- }
- break;
- case DCH_rm:
- if (is_to_char)
- {
- if (!tm->tm_mon)
- return -1;
- sprintf(inout, "%*s", S_FM(suf) ? 0 : -4,
- rm_months_lower[12 - tm->tm_mon]);
- return strlen(p_inout);
- }
- else
- {
- tmfc->mm = 12 - seq_search(inout, rm_months_lower, ALL_LOWER, FULL_SIZ, &len);
+ s += len;
+ break;
+ case DCH_rm:
+ out->mm = 12 - seq_search(s, rm_months_lower, ALL_LOWER, FULL_SIZ, &len);
CHECK_SEQ_SEARCH(len, "rm");
- return len;
- }
- break;
- case DCH_W:
- if (is_to_char)
- {
- sprintf(inout, "%d", (tm->tm_mday - 1) / 7 + 1);
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- sscanf(inout, "%1d", &tmfc->w);
- return strspace_len(inout) + 1 + SKIP_THth(suf);
- }
- break;
- case DCH_J:
- if (is_to_char)
- {
- sprintf(inout, "%d", date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
- if (S_THth(suf))
- str_numth(p_inout, inout, S_TH_TYPE(suf));
- return strlen(p_inout);
- }
- else
- {
- sscanf(inout, "%d", &tmfc->j);
- return strdigits_len(inout) + SKIP_THth(suf);
- }
- break;
+ s += len;
+ break;
+ case DCH_W:
+ sscanf(s, "%1d", &out->w);
+ s += strspace_len(s) + 1 + SKIP_THth(n->suffix);
+ break;
+ case DCH_J:
+ sscanf(s, "%d", &out->j);
+ s += strdigits_len(s) + SKIP_THth(n->suffix);
+ break;
+ }
}
- return -1;
}
static DCHCacheEntry *
return NULL;
}
+/*
+ * Format a date/time or interval into a string according to fmt.
+ * We parse fmt into a list of FormatNodes. This is then passed to DCH_to_char
+ * for formatting.
+ */
static text *
datetime_to_char_body(TmToChar *tmtc, text *fmt, bool is_interval)
{
}
/* The real work is here */
- DCH_processor(format, result, true, is_interval, (void *) tmtc);
+ DCH_to_char(format, is_interval, tmtc, result);
if (!incache)
pfree(format);
*
* Parse the 'date_txt' according to 'fmt', return results as a struct pg_tm
* and fractional seconds.
+ *
+ * We parse 'fmt' into a list of FormatNodes, which is then passed to
+ * DCH_from_char to populate a TmFromChar with the parsed contents of
+ * 'date_txt'.
+ *
+ * The TmFromChar is then analysed and converted into the final results in
+ * struct 'tm' and 'fsec'.
*/
static void
do_to_timestamp(text *date_txt, text *fmt,
int fmt_len,
year;
+ ZERO_tmfc(&tmfc);
ZERO_tm(tm);
*fsec = 0;
- ZERO_tmfc(&tmfc);
-
fmt_len = VARSIZE(fmt) - VARHDRSZ;
if (fmt_len)
format = ent->format;
}
- /*
- * Call action for each node in FormatNode tree
- */
#ifdef DEBUG_TO_FROM_CHAR
/* dump_node(format, fmt_len); */
#endif
memcpy(date_str, VARDATA(date_txt), date_len);
*(date_str + date_len) = '\0';
- DCH_processor(format, date_str, false, false, (void *) &tmfc);
+ DCH_from_char(format, date_str, &tmfc);
pfree(date_str);
pfree(fmt_str);
projects / postgresql.git / commitdiff