php-src/ext/date/lib/parse_date.re
2020-08-31 11:41:41 +01:00

2518 lines
73 KiB
C

/*
* The MIT License (MIT)
*
* Copyright (c) 2015-2019 Derick Rethans
* Copyright (c) 2018 MongoDB, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "timelib.h"
#include "timelib_private.h"
#include <ctype.h>
#include <math.h>
#include <assert.h>
#if defined(_MSC_VER)
# define strtoll(s, f, b) _atoi64(s)
#elif !defined(HAVE_STRTOLL)
# if defined(HAVE_ATOLL)
# define strtoll(s, f, b) atoll(s)
# else
# define strtoll(s, f, b) strtol(s, f, b)
# endif
#endif
#define EOI 257
#define TIME 258
#define DATE 259
#define TIMELIB_XMLRPC_SOAP 260
#define TIMELIB_TIME12 261
#define TIMELIB_TIME24 262
#define TIMELIB_GNU_NOCOLON 263
#define TIMELIB_GNU_NOCOLON_TZ 264
#define TIMELIB_ISO_NOCOLON 265
#define TIMELIB_AMERICAN 266
#define TIMELIB_ISO_DATE 267
#define TIMELIB_DATE_FULL 268
#define TIMELIB_DATE_TEXT 269
#define TIMELIB_DATE_NOCOLON 270
#define TIMELIB_PG_YEARDAY 271
#define TIMELIB_PG_TEXT 272
#define TIMELIB_PG_REVERSE 273
#define TIMELIB_CLF 274
#define TIMELIB_DATE_NO_DAY 275
#define TIMELIB_SHORTDATE_WITH_TIME 276
#define TIMELIB_DATE_FULL_POINTED 277
#define TIMELIB_TIME24_WITH_ZONE 278
#define TIMELIB_ISO_WEEK 279
#define TIMELIB_LF_DAY_OF_MONTH 280
#define TIMELIB_WEEK_DAY_OF_MONTH 281
#define TIMELIB_TIMEZONE 300
#define TIMELIB_AGO 301
#define TIMELIB_RELATIVE 310
#define TIMELIB_ERROR 999
/* Some compilers like AIX, defines uchar in sys/types.h */
#undef uchar
typedef unsigned char uchar;
#define BSIZE 8192
#define YYCTYPE uchar
#define YYCURSOR cursor
#define YYLIMIT s->lim
#define YYMARKER s->ptr
#define YYFILL(n) return EOI;
#define RET(i) {s->cur = cursor; return i;}
#define timelib_string_free timelib_free
#define TIMELIB_HAVE_TIME() { if (s->time->have_time) { add_error(s, TIMELIB_ERR_DOUBLE_TIME, "Double time specification"); timelib_string_free(str); return TIMELIB_ERROR; } else { s->time->have_time = 1; s->time->h = 0; s->time->i = 0; s->time->s = 0; s->time->us = 0; } }
#define TIMELIB_UNHAVE_TIME() { s->time->have_time = 0; s->time->h = 0; s->time->i = 0; s->time->s = 0; s->time->us = 0; }
#define TIMELIB_HAVE_DATE() { if (s->time->have_date) { add_error(s, TIMELIB_ERR_DOUBLE_DATE, "Double date specification"); timelib_string_free(str); return TIMELIB_ERROR; } else { s->time->have_date = 1; } }
#define TIMELIB_UNHAVE_DATE() { s->time->have_date = 0; s->time->d = 0; s->time->m = 0; s->time->y = 0; }
#define TIMELIB_HAVE_RELATIVE() { s->time->have_relative = 1; }
#define TIMELIB_HAVE_WEEKDAY_RELATIVE() { s->time->have_relative = 1; s->time->relative.have_weekday_relative = 1; }
#define TIMELIB_HAVE_SPECIAL_RELATIVE() { s->time->have_relative = 1; s->time->relative.have_special_relative = 1; }
#define TIMELIB_HAVE_TZ() { s->cur = cursor; if (s->time->have_zone) { s->time->have_zone > 1 ? add_error(s, TIMELIB_ERR_DOUBLE_TZ, "Double timezone specification") : add_warning(s, TIMELIB_WARN_DOUBLE_TZ, "Double timezone specification"); timelib_string_free(str); s->time->have_zone++; return TIMELIB_ERROR; } else { s->time->have_zone++; } }
#define TIMELIB_INIT s->cur = cursor; str = timelib_string(s); ptr = str
#define TIMELIB_DEINIT timelib_string_free(str)
#define TIMELIB_ADJUST_RELATIVE_WEEKDAY() if (in->time.have_weekday_relative && (in.rel.d > 0)) { in.rel.d -= 7; }
#define TIMELIB_PROCESS_YEAR(x, l) { \
if (((x) == TIMELIB_UNSET) || ((l) >= 4)) { \
/* (x) = 0; */ \
} else if ((x) < 100) { \
if ((x) < 70) { \
(x) += 2000; \
} else { \
(x) += 1900; \
} \
} \
}
#ifdef DEBUG_PARSER
#define DEBUG_OUTPUT(s) printf("%s\n", s);
#define YYDEBUG(s,c) { if (s != -1) { printf("state: %d ", s); printf("[%c]\n", c); } }
#else
#define DEBUG_OUTPUT(s)
#define YYDEBUG(s,c)
#endif
typedef struct _timelib_elems {
unsigned int c; /* Number of elements */
char **v; /* Values */
} timelib_elems;
typedef struct _Scanner {
int fd;
uchar *lim, *str, *ptr, *cur, *tok, *pos;
unsigned int line, len;
timelib_error_container *errors;
timelib_time *time;
const timelib_tzdb *tzdb;
} Scanner;
typedef struct _timelib_lookup_table {
const char *name;
int type;
int value;
} timelib_lookup_table;
typedef struct _timelib_relunit {
const char *name;
int unit;
int multiplier;
} timelib_relunit;
/* The timezone table. */
static const timelib_tz_lookup_table timelib_timezone_lookup[] = {
#include "timezonemap.h"
{ NULL, 0, 0, NULL },
};
static const timelib_tz_lookup_table timelib_timezone_fallbackmap[] = {
#include "fallbackmap.h"
{ NULL, 0, 0, NULL },
};
static const timelib_tz_lookup_table timelib_timezone_utc[] = {
{ "utc", 0, 0, "UTC" },
};
static timelib_relunit const timelib_relunit_lookup[] = {
{ "ms", TIMELIB_MICROSEC, 1000 },
{ "msec", TIMELIB_MICROSEC, 1000 },
{ "msecs", TIMELIB_MICROSEC, 1000 },
{ "millisecond", TIMELIB_MICROSEC, 1000 },
{ "milliseconds", TIMELIB_MICROSEC, 1000 },
{ "µs", TIMELIB_MICROSEC, 1 },
{ "usec", TIMELIB_MICROSEC, 1 },
{ "usecs", TIMELIB_MICROSEC, 1 },
{ "µsec", TIMELIB_MICROSEC, 1 },
{ "µsecs", TIMELIB_MICROSEC, 1 },
{ "microsecond", TIMELIB_MICROSEC, 1 },
{ "microseconds", TIMELIB_MICROSEC, 1 },
{ "sec", TIMELIB_SECOND, 1 },
{ "secs", TIMELIB_SECOND, 1 },
{ "second", TIMELIB_SECOND, 1 },
{ "seconds", TIMELIB_SECOND, 1 },
{ "min", TIMELIB_MINUTE, 1 },
{ "mins", TIMELIB_MINUTE, 1 },
{ "minute", TIMELIB_MINUTE, 1 },
{ "minutes", TIMELIB_MINUTE, 1 },
{ "hour", TIMELIB_HOUR, 1 },
{ "hours", TIMELIB_HOUR, 1 },
{ "day", TIMELIB_DAY, 1 },
{ "days", TIMELIB_DAY, 1 },
{ "week", TIMELIB_DAY, 7 },
{ "weeks", TIMELIB_DAY, 7 },
{ "fortnight", TIMELIB_DAY, 14 },
{ "fortnights", TIMELIB_DAY, 14 },
{ "forthnight", TIMELIB_DAY, 14 },
{ "forthnights", TIMELIB_DAY, 14 },
{ "month", TIMELIB_MONTH, 1 },
{ "months", TIMELIB_MONTH, 1 },
{ "year", TIMELIB_YEAR, 1 },
{ "years", TIMELIB_YEAR, 1 },
{ "monday", TIMELIB_WEEKDAY, 1 },
{ "mon", TIMELIB_WEEKDAY, 1 },
{ "tuesday", TIMELIB_WEEKDAY, 2 },
{ "tue", TIMELIB_WEEKDAY, 2 },
{ "wednesday", TIMELIB_WEEKDAY, 3 },
{ "wed", TIMELIB_WEEKDAY, 3 },
{ "thursday", TIMELIB_WEEKDAY, 4 },
{ "thu", TIMELIB_WEEKDAY, 4 },
{ "friday", TIMELIB_WEEKDAY, 5 },
{ "fri", TIMELIB_WEEKDAY, 5 },
{ "saturday", TIMELIB_WEEKDAY, 6 },
{ "sat", TIMELIB_WEEKDAY, 6 },
{ "sunday", TIMELIB_WEEKDAY, 0 },
{ "sun", TIMELIB_WEEKDAY, 0 },
{ "weekday", TIMELIB_SPECIAL, TIMELIB_SPECIAL_WEEKDAY },
{ "weekdays", TIMELIB_SPECIAL, TIMELIB_SPECIAL_WEEKDAY },
{ NULL, 0, 0 }
};
/* The relative text table. */
static timelib_lookup_table const timelib_reltext_lookup[] = {
{ "first", 0, 1 },
{ "next", 0, 1 },
{ "second", 0, 2 },
{ "third", 0, 3 },
{ "fourth", 0, 4 },
{ "fifth", 0, 5 },
{ "sixth", 0, 6 },
{ "seventh", 0, 7 },
{ "eight", 0, 8 },
{ "eighth", 0, 8 },
{ "ninth", 0, 9 },
{ "tenth", 0, 10 },
{ "eleventh", 0, 11 },
{ "twelfth", 0, 12 },
{ "last", 0, -1 },
{ "previous", 0, -1 },
{ "this", 1, 0 },
{ NULL, 1, 0 }
};
/* The month table. */
static timelib_lookup_table const timelib_month_lookup[] = {
{ "jan", 0, 1 },
{ "feb", 0, 2 },
{ "mar", 0, 3 },
{ "apr", 0, 4 },
{ "may", 0, 5 },
{ "jun", 0, 6 },
{ "jul", 0, 7 },
{ "aug", 0, 8 },
{ "sep", 0, 9 },
{ "sept", 0, 9 },
{ "oct", 0, 10 },
{ "nov", 0, 11 },
{ "dec", 0, 12 },
{ "i", 0, 1 },
{ "ii", 0, 2 },
{ "iii", 0, 3 },
{ "iv", 0, 4 },
{ "v", 0, 5 },
{ "vi", 0, 6 },
{ "vii", 0, 7 },
{ "viii", 0, 8 },
{ "ix", 0, 9 },
{ "x", 0, 10 },
{ "xi", 0, 11 },
{ "xii", 0, 12 },
{ "january", 0, 1 },
{ "february", 0, 2 },
{ "march", 0, 3 },
{ "april", 0, 4 },
{ "may", 0, 5 },
{ "june", 0, 6 },
{ "july", 0, 7 },
{ "august", 0, 8 },
{ "september", 0, 9 },
{ "october", 0, 10 },
{ "november", 0, 11 },
{ "december", 0, 12 },
{ NULL, 0, 0 }
};
#if 0
static char* timelib_ltrim(char *s)
{
char *ptr = s;
while (ptr[0] == ' ' || ptr[0] == '\t') {
ptr++;
}
return ptr;
}
#endif
#if 0
uchar *fill(Scanner *s, uchar *cursor){
if(!s->eof){
unsigned int cnt = s->tok - s->bot;
if(cnt){
memcpy(s->bot, s->tok, s->lim - s->tok);
s->tok = s->bot;
s->ptr -= cnt;
cursor -= cnt;
s->pos -= cnt;
s->lim -= cnt;
}
if((s->top - s->lim) < BSIZE){
uchar *buf = (uchar*) timelib_malloc(((s->lim - s->bot) + BSIZE)*sizeof(uchar));
memcpy(buf, s->tok, s->lim - s->tok);
s->tok = buf;
s->ptr = &buf[s->ptr - s->bot];
cursor = &buf[cursor - s->bot];
s->pos = &buf[s->pos - s->bot];
s->lim = &buf[s->lim - s->bot];
s->top = &s->lim[BSIZE];
timelib_free(s->bot);
s->bot = buf;
}
if((cnt = read(s->fd, (char*) s->lim, BSIZE)) != BSIZE){
s->eof = &s->lim[cnt]; *(s->eof)++ = '\n';
}
s->lim += cnt;
}
return cursor;
}
#endif
static void add_warning(Scanner *s, int error_code, char *error)
{
s->errors->warning_count++;
s->errors->warning_messages = timelib_realloc(s->errors->warning_messages, s->errors->warning_count * sizeof(timelib_error_message));
s->errors->warning_messages[s->errors->warning_count - 1].error_code = error_code;
s->errors->warning_messages[s->errors->warning_count - 1].position = s->tok ? s->tok - s->str : 0;
s->errors->warning_messages[s->errors->warning_count - 1].character = s->tok ? *s->tok : 0;
s->errors->warning_messages[s->errors->warning_count - 1].message = timelib_strdup(error);
}
static void add_error(Scanner *s, int error_code, char *error)
{
s->errors->error_count++;
s->errors->error_messages = timelib_realloc(s->errors->error_messages, s->errors->error_count * sizeof(timelib_error_message));
s->errors->error_messages[s->errors->error_count - 1].error_code = error_code;
s->errors->error_messages[s->errors->error_count - 1].position = s->tok ? s->tok - s->str : 0;
s->errors->error_messages[s->errors->error_count - 1].character = s->tok ? *s->tok : 0;
s->errors->error_messages[s->errors->error_count - 1].message = timelib_strdup(error);
}
static void add_pbf_warning(Scanner *s, int error_code, char *error, char *sptr, char *cptr)
{
s->errors->warning_count++;
s->errors->warning_messages = timelib_realloc(s->errors->warning_messages, s->errors->warning_count * sizeof(timelib_error_message));
s->errors->warning_messages[s->errors->warning_count - 1].error_code = error_code;
s->errors->warning_messages[s->errors->warning_count - 1].position = cptr - sptr;
s->errors->warning_messages[s->errors->warning_count - 1].character = *cptr;
s->errors->warning_messages[s->errors->warning_count - 1].message = timelib_strdup(error);
}
static void add_pbf_error(Scanner *s, int error_code, char *error, char *sptr, char *cptr)
{
s->errors->error_count++;
s->errors->error_messages = timelib_realloc(s->errors->error_messages, s->errors->error_count * sizeof(timelib_error_message));
s->errors->error_messages[s->errors->error_count - 1].error_code = error_code;
s->errors->error_messages[s->errors->error_count - 1].position = cptr - sptr;
s->errors->error_messages[s->errors->error_count - 1].character = *cptr;
s->errors->error_messages[s->errors->error_count - 1].message = timelib_strdup(error);
}
static timelib_sll timelib_meridian(char **ptr, timelib_sll h)
{
timelib_sll retval = 0;
while (!strchr("AaPp", **ptr)) {
++*ptr;
}
if (**ptr == 'a' || **ptr == 'A') {
if (h == 12) {
retval = -12;
}
} else if (h != 12) {
retval = 12;
}
++*ptr;
if (**ptr == '.') {
++*ptr;
}
if (**ptr == 'M' || **ptr == 'm') {
++*ptr;
}
if (**ptr == '.') {
++*ptr;
}
return retval;
}
static timelib_sll timelib_meridian_with_check(char **ptr, timelib_sll h)
{
timelib_sll retval = 0;
while (**ptr && !strchr("AaPp", **ptr)) {
++*ptr;
}
if(!**ptr) {
return TIMELIB_UNSET;
}
if (**ptr == 'a' || **ptr == 'A') {
if (h == 12) {
retval = -12;
}
} else if (h != 12) {
retval = 12;
}
++*ptr;
if (**ptr == '.') {
++*ptr;
if (**ptr != 'm' && **ptr != 'M') {
return TIMELIB_UNSET;
}
++*ptr;
if (**ptr != '.' ) {
return TIMELIB_UNSET;
}
++*ptr;
} else if (**ptr == 'm' || **ptr == 'M') {
++*ptr;
} else {
return TIMELIB_UNSET;
}
return retval;
}
static char *timelib_string(Scanner *s)
{
char *tmp = timelib_calloc(1, s->cur - s->tok + 1);
memcpy(tmp, s->tok, s->cur - s->tok);
return tmp;
}
static timelib_sll timelib_get_nr_ex(char **ptr, int max_length, int *scanned_length)
{
char *begin, *end, *str;
timelib_sll tmp_nr = TIMELIB_UNSET;
int len = 0;
while ((**ptr < '0') || (**ptr > '9')) {
if (**ptr == '\0') {
return TIMELIB_UNSET;
}
++*ptr;
}
begin = *ptr;
while ((**ptr >= '0') && (**ptr <= '9') && len < max_length) {
++*ptr;
++len;
}
end = *ptr;
if (scanned_length) {
*scanned_length = end - begin;
}
str = timelib_calloc(1, end - begin + 1);
memcpy(str, begin, end - begin);
tmp_nr = strtoll(str, NULL, 10);
timelib_free(str);
return tmp_nr;
}
static timelib_sll timelib_get_nr(char **ptr, int max_length)
{
return timelib_get_nr_ex(ptr, max_length, NULL);
}
static void timelib_skip_day_suffix(char **ptr)
{
if (isspace(**ptr)) {
return;
}
if (!timelib_strncasecmp(*ptr, "nd", 2) || !timelib_strncasecmp(*ptr, "rd", 2) ||!timelib_strncasecmp(*ptr, "st", 2) || !timelib_strncasecmp(*ptr, "th", 2)) {
*ptr += 2;
}
}
static timelib_sll timelib_get_frac_nr(char **ptr, int max_length)
{
char *begin, *end, *str;
double tmp_nr = TIMELIB_UNSET;
int len = 0;
while ((**ptr != '.') && (**ptr != ':') && ((**ptr < '0') || (**ptr > '9'))) {
if (**ptr == '\0') {
return TIMELIB_UNSET;
}
++*ptr;
}
begin = *ptr;
while (((**ptr == '.') || (**ptr == ':') || ((**ptr >= '0') && (**ptr <= '9'))) && len < max_length) {
++*ptr;
++len;
}
end = *ptr;
str = timelib_calloc(1, end - begin);
memcpy(str, begin + 1, end - begin - 1);
tmp_nr = strtod(str, NULL) * pow(10, 7 - (end - begin));
timelib_free(str);
return tmp_nr;
}
static timelib_ull timelib_get_unsigned_nr(char **ptr, int max_length)
{
timelib_ull dir = 1;
while (((**ptr < '0') || (**ptr > '9')) && (**ptr != '+') && (**ptr != '-')) {
if (**ptr == '\0') {
return TIMELIB_UNSET;
}
++*ptr;
}
while (**ptr == '+' || **ptr == '-')
{
if (**ptr == '-') {
dir *= -1;
}
++*ptr;
}
return dir * timelib_get_nr(ptr, max_length);
}
static timelib_sll timelib_lookup_relative_text(char **ptr, int *behavior)
{
char *word;
char *begin = *ptr, *end;
timelib_sll value = 0;
const timelib_lookup_table *tp;
while ((**ptr >= 'A' && **ptr <= 'Z') || (**ptr >= 'a' && **ptr <= 'z')) {
++*ptr;
}
end = *ptr;
word = timelib_calloc(1, end - begin + 1);
memcpy(word, begin, end - begin);
for (tp = timelib_reltext_lookup; tp->name; tp++) {
if (timelib_strcasecmp(word, tp->name) == 0) {
value = tp->value;
*behavior = tp->type;
}
}
timelib_free(word);
return value;
}
static timelib_sll timelib_get_relative_text(char **ptr, int *behavior)
{
while (**ptr == ' ' || **ptr == '\t' || **ptr == '-' || **ptr == '/') {
++*ptr;
}
return timelib_lookup_relative_text(ptr, behavior);
}
static timelib_long timelib_lookup_month(char **ptr)
{
char *word;
char *begin = *ptr, *end;
timelib_long value = 0;
const timelib_lookup_table *tp;
while ((**ptr >= 'A' && **ptr <= 'Z') || (**ptr >= 'a' && **ptr <= 'z')) {
++*ptr;
}
end = *ptr;
word = timelib_calloc(1, end - begin + 1);
memcpy(word, begin, end - begin);
for (tp = timelib_month_lookup; tp->name; tp++) {
if (timelib_strcasecmp(word, tp->name) == 0) {
value = tp->value;
}
}
timelib_free(word);
return value;
}
static timelib_long timelib_get_month(char **ptr)
{
while (**ptr == ' ' || **ptr == '\t' || **ptr == '-' || **ptr == '.' || **ptr == '/') {
++*ptr;
}
return timelib_lookup_month(ptr);
}
static void timelib_eat_spaces(char **ptr)
{
while (**ptr == ' ' || **ptr == '\t') {
++*ptr;
}
}
static void timelib_eat_until_separator(char **ptr)
{
++*ptr;
while (strchr(" \t.,:;/-0123456789", **ptr) == NULL) {
++*ptr;
}
}
static const timelib_relunit* timelib_lookup_relunit(char **ptr)
{
char *word;
char *begin = *ptr, *end;
const timelib_relunit *tp, *value = NULL;
while (**ptr != '\0' && **ptr != ' ' && **ptr != ',' && **ptr != '\t' && **ptr != ';' && **ptr != ':' &&
**ptr != '/' && **ptr != '.' && **ptr != '-' && **ptr != '(' && **ptr != ')' ) {
++*ptr;
}
end = *ptr;
word = timelib_calloc(1, end - begin + 1);
memcpy(word, begin, end - begin);
for (tp = timelib_relunit_lookup; tp->name; tp++) {
if (timelib_strcasecmp(word, tp->name) == 0) {
value = tp;
break;
}
}
timelib_free(word);
return value;
}
static void timelib_set_relative(char **ptr, timelib_sll amount, int behavior, Scanner *s)
{
const timelib_relunit* relunit;
if (!(relunit = timelib_lookup_relunit(ptr))) {
return;
}
switch (relunit->unit) {
case TIMELIB_MICROSEC: s->time->relative.us += amount * relunit->multiplier; break;
case TIMELIB_SECOND: s->time->relative.s += amount * relunit->multiplier; break;
case TIMELIB_MINUTE: s->time->relative.i += amount * relunit->multiplier; break;
case TIMELIB_HOUR: s->time->relative.h += amount * relunit->multiplier; break;
case TIMELIB_DAY: s->time->relative.d += amount * relunit->multiplier; break;
case TIMELIB_MONTH: s->time->relative.m += amount * relunit->multiplier; break;
case TIMELIB_YEAR: s->time->relative.y += amount * relunit->multiplier; break;
case TIMELIB_WEEKDAY:
TIMELIB_HAVE_WEEKDAY_RELATIVE();
TIMELIB_UNHAVE_TIME();
s->time->relative.d += (amount > 0 ? amount - 1 : amount) * 7;
s->time->relative.weekday = relunit->multiplier;
s->time->relative.weekday_behavior = behavior;
break;
case TIMELIB_SPECIAL:
TIMELIB_HAVE_SPECIAL_RELATIVE();
TIMELIB_UNHAVE_TIME();
s->time->relative.special.type = relunit->multiplier;
s->time->relative.special.amount = amount;
}
}
static const timelib_tz_lookup_table* abbr_search(const char *word, timelib_long gmtoffset, int isdst)
{
int first_found = 0;
const timelib_tz_lookup_table *tp, *first_found_elem = NULL;
const timelib_tz_lookup_table *fmp;
if (timelib_strcasecmp("utc", word) == 0 || timelib_strcasecmp("gmt", word) == 0) {
return timelib_timezone_utc;
}
for (tp = timelib_timezone_lookup; tp->name; tp++) {
if (timelib_strcasecmp(word, tp->name) == 0) {
if (!first_found) {
first_found = 1;
first_found_elem = tp;
if (gmtoffset == -1) {
return tp;
}
}
if (tp->gmtoffset == gmtoffset) {
return tp;
}
}
}
if (first_found) {
return first_found_elem;
}
/* Still didn't find anything, let's find the zone solely based on
* offset/isdst then */
for (fmp = timelib_timezone_fallbackmap; fmp->name; fmp++) {
if (fmp->gmtoffset == gmtoffset && fmp->type == isdst) {
return fmp;
}
}
return NULL;
}
static timelib_long timelib_lookup_abbr(char **ptr, int *dst, char **tz_abbr, int *found)
{
char *word;
char *begin = *ptr, *end;
timelib_long value = 0;
const timelib_tz_lookup_table *tp;
while (**ptr != '\0' && **ptr != ')' && **ptr != ' ') {
++*ptr;
}
end = *ptr;
word = timelib_calloc(1, end - begin + 1);
memcpy(word, begin, end - begin);
if ((tp = abbr_search(word, -1, 0))) {
value = tp->gmtoffset;
*dst = tp->type;
value -= tp->type * 3600;
*found = 1;
} else {
*found = 0;
}
*tz_abbr = word;
return value;
}
#define sHOUR(a) (int)(a * 3600)
#define sMIN(a) (int)(a * 60)
static timelib_long timelib_parse_tz_cor(char **ptr)
{
char *begin = *ptr, *end;
timelib_long tmp;
while (isdigit(**ptr) || **ptr == ':') {
++*ptr;
}
end = *ptr;
switch (end - begin) {
case 1: /* H */
case 2: /* HH */
return sHOUR(strtol(begin, NULL, 10));
break;
case 3: /* H:M */
case 4: /* H:MM, HH:M, HHMM */
if (begin[1] == ':') {
tmp = sHOUR(strtol(begin, NULL, 10)) + sMIN(strtol(begin + 2, NULL, 10));
return tmp;
} else if (begin[2] == ':') {
tmp = sHOUR(strtol(begin, NULL, 10)) + sMIN(strtol(begin + 3, NULL, 10));
return tmp;
} else {
tmp = strtol(begin, NULL, 10);
return sHOUR(tmp / 100) + sMIN(tmp % 100);
}
case 5: /* HH:MM */
tmp = sHOUR(strtol(begin, NULL, 10)) + sMIN(strtol(begin + 3, NULL, 10));
return tmp;
}
return 0;
}
static timelib_long timelib_parse_tz_minutes(char **ptr, timelib_time *t)
{
timelib_long retval = TIMELIB_UNSET;
char *begin = *ptr;
/* First character must be +/- */
if (**ptr != '+' && **ptr != '-') {
return retval;
}
++*ptr;
while (isdigit(**ptr)) {
++*ptr;
}
if (*begin == '+') {
t->is_localtime = 1;
t->zone_type = TIMELIB_ZONETYPE_OFFSET;
t->dst = 0;
retval = sMIN(strtol(begin + 1, NULL, 10));
} else if (*begin == '-') {
t->is_localtime = 1;
t->zone_type = TIMELIB_ZONETYPE_OFFSET;
t->dst = 0;
retval = -1 * sMIN(strtol(begin + 1, NULL, 10));
}
return retval;
}
timelib_long timelib_parse_zone(char **ptr, int *dst, timelib_time *t, int *tz_not_found, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_wrapper)
{
timelib_tzinfo *res;
timelib_long retval = 0;
*tz_not_found = 0;
while (**ptr == ' ' || **ptr == '\t' || **ptr == '(') {
++*ptr;
}
if ((*ptr)[0] == 'G' && (*ptr)[1] == 'M' && (*ptr)[2] == 'T' && ((*ptr)[3] == '+' || (*ptr)[3] == '-')) {
*ptr += 3;
}
if (**ptr == '+') {
++*ptr;
t->is_localtime = 1;
t->zone_type = TIMELIB_ZONETYPE_OFFSET;
*tz_not_found = 0;
t->dst = 0;
retval = timelib_parse_tz_cor(ptr);
} else if (**ptr == '-') {
++*ptr;
t->is_localtime = 1;
t->zone_type = TIMELIB_ZONETYPE_OFFSET;
*tz_not_found = 0;
t->dst = 0;
retval = -1 * timelib_parse_tz_cor(ptr);
} else {
int found = 0;
timelib_long offset = 0;
char *tz_abbr;
t->is_localtime = 1;
/* First, we lookup by abbreviation only */
offset = timelib_lookup_abbr(ptr, dst, &tz_abbr, &found);
if (found) {
t->zone_type = TIMELIB_ZONETYPE_ABBR;
timelib_time_tz_abbr_update(t, tz_abbr);
}
/* Otherwise, we look if we have a TimeZone identifier */
if (!found || strcmp("UTC", tz_abbr) == 0) {
int dummy_error_code;
if ((res = tz_wrapper(tz_abbr, tzdb, &dummy_error_code)) != NULL) {
t->tz_info = res;
t->zone_type = TIMELIB_ZONETYPE_ID;
found++;
}
}
timelib_free(tz_abbr);
*tz_not_found = (found == 0);
retval = offset;
}
while (**ptr == ')') {
++*ptr;
}
return retval;
}
#define timelib_split_free(arg) { \
int i; \
for (i = 0; i < arg.c; i++) { \
timelib_free(arg.v[i]); \
} \
if (arg.v) { \
timelib_free(arg.v); \
} \
}
static int scan(Scanner *s, timelib_tz_get_wrapper tz_get_wrapper)
{
uchar *cursor = s->cur;
char *str, *ptr = NULL;
std:
s->tok = cursor;
s->len = 0;
/*!re2c
any = [\000-\377];
space = [ \t]+;
frac = "."[0-9]+;
ago = 'ago';
hour24 = [01]?[0-9] | "2"[0-4];
hour24lz = [01][0-9] | "2"[0-4];
hour12 = "0"?[1-9] | "1"[0-2];
minute = [0-5]?[0-9];
minutelz = [0-5][0-9];
second = minute | "60";
secondlz = minutelz | "60";
meridian = ([AaPp] "."? [Mm] "."?) [\000\t ];
tz = "("? [A-Za-z]{1,6} ")"? | [A-Z][a-z]+([_/-][A-Za-z]+)+;
tzcorrection = "GMT"? [+-] hour24 ":"? minute?;
daysuf = "st" | "nd" | "rd" | "th";
month = "0"? [0-9] | "1"[0-2];
day = (([0-2]?[0-9]) | ("3"[01])) daysuf?;
year = [0-9]{1,4};
year2 = [0-9]{2};
year4 = [0-9]{4};
year4withsign = [+-]? [0-9]{4};
dayofyear = "00"[1-9] | "0"[1-9][0-9] | [1-2][0-9][0-9] | "3"[0-5][0-9] | "36"[0-6];
weekofyear = "0"[1-9] | [1-4][0-9] | "5"[0-3];
monthlz = "0" [0-9] | "1" [0-2];
daylz = "0" [0-9] | [1-2][0-9] | "3" [01];
dayfull = 'sunday' | 'monday' | 'tuesday' | 'wednesday' | 'thursday' | 'friday' | 'saturday';
dayabbr = 'sun' | 'mon' | 'tue' | 'wed' | 'thu' | 'fri' | 'sat' | 'sun';
dayspecial = 'weekday' | 'weekdays';
daytext = dayfull | dayabbr | dayspecial;
monthfull = 'january' | 'february' | 'march' | 'april' | 'may' | 'june' | 'july' | 'august' | 'september' | 'october' | 'november' | 'december';
monthabbr = 'jan' | 'feb' | 'mar' | 'apr' | 'may' | 'jun' | 'jul' | 'aug' | 'sep' | 'sept' | 'oct' | 'nov' | 'dec';
monthroman = "I" | "II" | "III" | "IV" | "V" | "VI" | "VII" | "VIII" | "IX" | "X" | "XI" | "XII";
monthtext = monthfull | monthabbr | monthroman;
/* Time formats */
timetiny12 = hour12 space? meridian;
timeshort12 = hour12[:.]minutelz space? meridian;
timelong12 = hour12[:.]minute[:.]secondlz space? meridian;
timeshort24 = 't'? hour24[:.]minute;
timelong24 = 't'? hour24[:.]minute[:.]second;
iso8601long = 't'? hour24 [:.] minute [:.] second frac;
/* iso8601shorttz = hour24 [:] minutelz space? (tzcorrection | tz); */
iso8601normtz = 't'? hour24 [:.] minute [:.] secondlz space? (tzcorrection | tz);
/* iso8601longtz = hour24 [:] minute [:] secondlz frac space? (tzcorrection | tz); */
gnunocolon = 't'? hour24lz minutelz;
/* gnunocolontz = hour24lz minutelz space? (tzcorrection | tz); */
iso8601nocolon = 't'? hour24lz minutelz secondlz;
/* iso8601nocolontz = hour24lz minutelz secondlz space? (tzcorrection | tz); */
/* Date formats */
americanshort = month "/" day;
american = month "/" day "/" year;
iso8601dateslash = year4 "/" monthlz "/" daylz "/"?;
dateslash = year4 "/" month "/" day;
iso8601date4 = year4withsign "-" monthlz "-" daylz;
iso8601date2 = year2 "-" monthlz "-" daylz;
gnudateshorter = year4 "-" month;
gnudateshort = year "-" month "-" day;
pointeddate4 = day [.\t-] month [.-] year4;
pointeddate2 = day [.\t] month "." year2;
datefull = day ([ \t.-])* monthtext ([ \t.-])* year;
datenoday = monthtext ([ .\t-])* year4;
datenodayrev = year4 ([ .\t-])* monthtext;
datetextual = monthtext ([ .\t-])* day [,.stndrh\t ]+ year;
datenoyear = monthtext ([ .\t-])* day ([,.stndrh\t ]+|[\000]);
datenoyearrev = day ([ .\t-])* monthtext;
datenocolon = year4 monthlz daylz;
/* Special formats */
soap = year4 "-" monthlz "-" daylz "T" hour24lz ":" minutelz ":" secondlz frac tzcorrection?;
xmlrpc = year4 monthlz daylz "T" hour24 ":" minutelz ":" secondlz;
xmlrpcnocolon = year4 monthlz daylz 't' hour24 minutelz secondlz;
wddx = year4 "-" month "-" day "T" hour24 ":" minute ":" second;
pgydotd = year4 "."? dayofyear;
pgtextshort = monthabbr "-" daylz "-" year;
pgtextreverse = year "-" monthabbr "-" daylz;
mssqltime = hour12 ":" minutelz ":" secondlz [:.] [0-9]+ meridian;
isoweekday = year4 "-"? "W" weekofyear "-"? [0-7];
isoweek = year4 "-"? "W" weekofyear;
exif = year4 ":" monthlz ":" daylz " " hour24lz ":" minutelz ":" secondlz;
firstdayof = 'first day of';
lastdayof = 'last day of';
backof = 'back of ' hour24 (space? meridian)?;
frontof = 'front of ' hour24 (space? meridian)?;
/* Common Log Format: 10/Oct/2000:13:55:36 -0700 */
clf = day "/" monthabbr "/" year4 ":" hour24lz ":" minutelz ":" secondlz space tzcorrection;
/* Timestamp format: @1126396800 */
timestamp = "@" "-"? [0-9]+;
timestampms = "@" "-"? [0-9]+ "." [0-9]{6};
/* To fix some ambiguities */
dateshortwithtimeshort12 = datenoyear timeshort12;
dateshortwithtimelong12 = datenoyear timelong12;
dateshortwithtimeshort = datenoyear timeshort24;
dateshortwithtimelong = datenoyear timelong24;
dateshortwithtimelongtz = datenoyear iso8601normtz;
/*
* Relative regexps
*/
reltextnumber = 'first'|'second'|'third'|'fourth'|'fifth'|'sixth'|'seventh'|'eight'|'eighth'|'ninth'|'tenth'|'eleventh'|'twelfth';
reltexttext = 'next'|'last'|'previous'|'this';
reltextunit = 'ms' | 'µs' | (('msec'|'millisecond'|'µsec'|'microsecond'|'usec'|'sec'|'second'|'min'|'minute'|'hour'|'day'|'fortnight'|'forthnight'|'month'|'year') 's'?) | 'weeks' | daytext;
relnumber = ([+-]*[ \t]*[0-9]{1,13});
relative = relnumber space? (reltextunit | 'week' );
relativetext = (reltextnumber|reltexttext) space reltextunit;
relativetextweek = reltexttext space 'week';
weekdayof = (reltextnumber|reltexttext) space (dayfull|dayabbr) space 'of';
*/
/*!re2c
/* so that vim highlights correctly */
'yesterday'
{
DEBUG_OUTPUT("yesterday");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_UNHAVE_TIME();
s->time->relative.d = -1;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
'now'
{
DEBUG_OUTPUT("now");
TIMELIB_INIT;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
'noon'
{
DEBUG_OUTPUT("noon");
TIMELIB_INIT;
TIMELIB_UNHAVE_TIME();
TIMELIB_HAVE_TIME();
s->time->h = 12;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
'midnight' | 'today'
{
DEBUG_OUTPUT("midnight | today");
TIMELIB_INIT;
TIMELIB_UNHAVE_TIME();
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
'tomorrow'
{
DEBUG_OUTPUT("tomorrow");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_UNHAVE_TIME();
s->time->relative.d = 1;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
timestamp
{
timelib_ull i;
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_UNHAVE_DATE();
TIMELIB_UNHAVE_TIME();
TIMELIB_HAVE_TZ();
i = timelib_get_unsigned_nr((char **) &ptr, 24);
s->time->y = 1970;
s->time->m = 1;
s->time->d = 1;
s->time->h = s->time->i = s->time->s = 0;
s->time->us = 0;
s->time->relative.s += i;
s->time->is_localtime = 1;
s->time->zone_type = TIMELIB_ZONETYPE_OFFSET;
s->time->z = 0;
s->time->dst = 0;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
timestampms
{
timelib_ull i, us;
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_UNHAVE_DATE();
TIMELIB_UNHAVE_TIME();
TIMELIB_HAVE_TZ();
i = timelib_get_unsigned_nr((char **) &ptr, 24);
us = timelib_get_unsigned_nr((char **) &ptr, 24);
s->time->y = 1970;
s->time->m = 1;
s->time->d = 1;
s->time->h = s->time->i = s->time->s = 0;
s->time->us = 0;
s->time->relative.s += i;
s->time->relative.us = us;
s->time->is_localtime = 1;
s->time->zone_type = TIMELIB_ZONETYPE_OFFSET;
s->time->z = 0;
s->time->dst = 0;
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
firstdayof | lastdayof
{
DEBUG_OUTPUT("firstdayof | lastdayof");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
/* skip "last day of" or "first day of" */
if (*ptr == 'l' || *ptr == 'L') {
s->time->relative.first_last_day_of = TIMELIB_SPECIAL_LAST_DAY_OF_MONTH;
} else {
s->time->relative.first_last_day_of = TIMELIB_SPECIAL_FIRST_DAY_OF_MONTH;
}
TIMELIB_DEINIT;
return TIMELIB_LF_DAY_OF_MONTH;
}
backof | frontof
{
DEBUG_OUTPUT("backof | frontof");
TIMELIB_INIT;
TIMELIB_UNHAVE_TIME();
TIMELIB_HAVE_TIME();
if (*ptr == 'b') {
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = 15;
} else {
s->time->h = timelib_get_nr((char **) &ptr, 2) - 1;
s->time->i = 45;
}
if (*ptr != '\0' ) {
timelib_eat_spaces((char **) &ptr);
s->time->h += timelib_meridian((char **) &ptr, s->time->h);
}
TIMELIB_DEINIT;
return TIMELIB_LF_DAY_OF_MONTH;
}
weekdayof
{
timelib_sll i;
int behavior = 0;
DEBUG_OUTPUT("weekdayof");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_HAVE_SPECIAL_RELATIVE();
i = timelib_get_relative_text((char **) &ptr, &behavior);
timelib_eat_spaces((char **) &ptr);
if (i > 0) { /* first, second... etc */
s->time->relative.special.type = TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH;
timelib_set_relative((char **) &ptr, i, 1, s);
} else { /* last */
s->time->relative.special.type = TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH;
timelib_set_relative((char **) &ptr, i, behavior, s);
}
TIMELIB_DEINIT;
return TIMELIB_WEEK_DAY_OF_MONTH;
}
timetiny12 | timeshort12 | timelong12
{
DEBUG_OUTPUT("timetiny12 | timeshort12 | timelong12");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->i = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->s = timelib_get_nr((char **) &ptr, 2);
}
}
s->time->h += timelib_meridian((char **) &ptr, s->time->h);
TIMELIB_DEINIT;
return TIMELIB_TIME12;
}
mssqltime
{
DEBUG_OUTPUT("mssqltime");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->us = timelib_get_frac_nr((char **) &ptr, 8);
}
}
timelib_eat_spaces((char **) &ptr);
s->time->h += timelib_meridian((char **) &ptr, s->time->h);
TIMELIB_DEINIT;
return TIMELIB_TIME24_WITH_ZONE;
}
timeshort24 | timelong24 /* | iso8601short | iso8601norm */ | iso8601long /*| iso8601shorttz | iso8601normtz | iso8601longtz*/
{
int tz_not_found;
DEBUG_OUTPUT("timeshort24 | timelong24 | iso8601long");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr == '.') {
s->time->us = timelib_get_frac_nr((char **) &ptr, 8);
}
}
if (*ptr != '\0') {
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
}
TIMELIB_DEINIT;
return TIMELIB_TIME24_WITH_ZONE;
}
gnunocolon
{
DEBUG_OUTPUT("gnunocolon");
TIMELIB_INIT;
switch (s->time->have_time) {
case 0:
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
s->time->s = 0;
break;
case 1:
s->time->y = timelib_get_nr((char **) &ptr, 4);
break;
default:
TIMELIB_DEINIT;
add_error(s, TIMELIB_ERR_DOUBLE_TIME, "Double time specification");
return TIMELIB_ERROR;
}
s->time->have_time++;
TIMELIB_DEINIT;
return TIMELIB_GNU_NOCOLON;
}
/*
gnunocolontz
{
DEBUG_OUTPUT("gnunocolontz");
TIMELIB_INIT;
switch (s->time->have_time) {
case 0:
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
s->time->s = 0;
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, s->tzdb, tz_get_wrapper);
break;
case 1:
s->time->y = timelib_get_nr((char **) &ptr, 4);
break;
default:
TIMELIB_DEINIT;
return TIMELIB_ERROR;
}
s->time->have_time++;
TIMELIB_DEINIT;
return TIMELIB_GNU_NOCOLON_TZ;
}
*/
iso8601nocolon /*| iso8601nocolontz*/
{
int tz_not_found;
DEBUG_OUTPUT("iso8601nocolon");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr != '\0') {
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
}
TIMELIB_DEINIT;
return TIMELIB_ISO_NOCOLON;
}
americanshort | american
{
int length = 0;
DEBUG_OUTPUT("americanshort | american");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
if (*ptr == '/') {
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
TIMELIB_PROCESS_YEAR(s->time->y, length);
}
TIMELIB_DEINIT;
return TIMELIB_AMERICAN;
}
iso8601date4 | iso8601dateslash | dateslash
{
DEBUG_OUTPUT("iso8601date4 | iso8601date2 | iso8601dateslash | dateslash");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_unsigned_nr((char **) &ptr, 4);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_DEINIT;
return TIMELIB_ISO_DATE;
}
iso8601date2
{
int length = 0;
DEBUG_OUTPUT("iso8601date2");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_ISO_DATE;
}
gnudateshorter
{
int length = 0;
DEBUG_OUTPUT("gnudateshorter");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = 1;
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_ISO_DATE;
}
gnudateshort
{
int length = 0;
DEBUG_OUTPUT("gnudateshort");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_ISO_DATE;
}
datefull
{
int length = 0;
DEBUG_OUTPUT("datefull");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->d = timelib_get_nr((char **) &ptr, 2);
timelib_skip_day_suffix((char **) &ptr);
s->time->m = timelib_get_month((char **) &ptr);
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_DATE_FULL;
}
pointeddate4
{
DEBUG_OUTPUT("pointed date YYYY");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->y = timelib_get_nr((char **) &ptr, 4);
TIMELIB_DEINIT;
return TIMELIB_DATE_FULL_POINTED;
}
pointeddate2
{
int length = 0;
DEBUG_OUTPUT("pointed date YY");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->y = timelib_get_nr_ex((char **) &ptr, 2, &length);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_DATE_FULL_POINTED;
}
datenoday
{
int length = 0;
DEBUG_OUTPUT("datenoday");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_month((char **) &ptr);
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->d = 1;
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_DATE_NO_DAY;
}
datenodayrev
{
int length = 0;
DEBUG_OUTPUT("datenodayrev");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = 1;
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_DATE_NO_DAY;
}
datetextual | datenoyear
{
int length = 0;
DEBUG_OUTPUT("datetextual | datenoyear");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_DATE_TEXT;
}
datenoyearrev
{
DEBUG_OUTPUT("datenoyearrev");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->d = timelib_get_nr((char **) &ptr, 2);
timelib_skip_day_suffix((char **) &ptr);
s->time->m = timelib_get_month((char **) &ptr);
TIMELIB_DEINIT;
return TIMELIB_DATE_TEXT;
}
datenocolon
{
DEBUG_OUTPUT("datenocolon");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr((char **) &ptr, 4);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_DEINIT;
return TIMELIB_DATE_NOCOLON;
}
xmlrpc | xmlrpcnocolon | soap | wddx | exif
{
int tz_not_found;
DEBUG_OUTPUT("xmlrpc | xmlrpcnocolon | soap | wddx | exif");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr((char **) &ptr, 4);
s->time->m = timelib_get_nr((char **) &ptr, 2);
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr == '.') {
s->time->us = timelib_get_frac_nr((char **) &ptr, 9);
if (*ptr) { /* timezone is optional */
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
}
}
TIMELIB_DEINIT;
return TIMELIB_XMLRPC_SOAP;
}
pgydotd
{
int length = 0;
DEBUG_OUTPUT("pgydotd");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->d = timelib_get_nr((char **) &ptr, 3);
s->time->m = 1;
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_PG_YEARDAY;
}
isoweekday
{
timelib_sll w, d;
DEBUG_OUTPUT("isoweekday");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
TIMELIB_HAVE_RELATIVE();
s->time->y = timelib_get_nr((char **) &ptr, 4);
w = timelib_get_nr((char **) &ptr, 2);
d = timelib_get_nr((char **) &ptr, 1);
s->time->m = 1;
s->time->d = 1;
s->time->relative.d = timelib_daynr_from_weeknr(s->time->y, w, d);
TIMELIB_DEINIT;
return TIMELIB_ISO_WEEK;
}
isoweek
{
timelib_sll w, d;
DEBUG_OUTPUT("isoweek");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
TIMELIB_HAVE_RELATIVE();
s->time->y = timelib_get_nr((char **) &ptr, 4);
w = timelib_get_nr((char **) &ptr, 2);
d = 1;
s->time->m = 1;
s->time->d = 1;
s->time->relative.d = timelib_daynr_from_weeknr(s->time->y, w, d);
TIMELIB_DEINIT;
return TIMELIB_ISO_WEEK;
}
pgtextshort
{
int length = 0;
DEBUG_OUTPUT("pgtextshort");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_PG_TEXT;
}
pgtextreverse
{
int length = 0;
DEBUG_OUTPUT("pgtextreverse");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->y = timelib_get_nr_ex((char **) &ptr, 4, &length);
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_PROCESS_YEAR(s->time->y, length);
TIMELIB_DEINIT;
return TIMELIB_PG_TEXT;
}
clf
{
int tz_not_found;
DEBUG_OUTPUT("clf");
TIMELIB_INIT;
TIMELIB_HAVE_TIME();
TIMELIB_HAVE_DATE();
s->time->d = timelib_get_nr((char **) &ptr, 2);
s->time->m = timelib_get_month((char **) &ptr);
s->time->y = timelib_get_nr((char **) &ptr, 4);
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
s->time->s = timelib_get_nr((char **) &ptr, 2);
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
TIMELIB_DEINIT;
return TIMELIB_CLF;
}
year4
{
DEBUG_OUTPUT("year4");
TIMELIB_INIT;
s->time->y = timelib_get_nr((char **) &ptr, 4);
TIMELIB_DEINIT;
return TIMELIB_CLF;
}
ago
{
DEBUG_OUTPUT("ago");
TIMELIB_INIT;
s->time->relative.y = 0 - s->time->relative.y;
s->time->relative.m = 0 - s->time->relative.m;
s->time->relative.d = 0 - s->time->relative.d;
s->time->relative.h = 0 - s->time->relative.h;
s->time->relative.i = 0 - s->time->relative.i;
s->time->relative.s = 0 - s->time->relative.s;
s->time->relative.weekday = 0 - s->time->relative.weekday;
if (s->time->relative.weekday == 0) {
s->time->relative.weekday = -7;
}
if (s->time->relative.have_special_relative && s->time->relative.special.type == TIMELIB_SPECIAL_WEEKDAY) {
s->time->relative.special.amount = 0 - s->time->relative.special.amount;
}
TIMELIB_DEINIT;
return TIMELIB_AGO;
}
daytext
{
const timelib_relunit* relunit;
DEBUG_OUTPUT("daytext");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
TIMELIB_HAVE_WEEKDAY_RELATIVE();
TIMELIB_UNHAVE_TIME();
relunit = timelib_lookup_relunit((char**) &ptr);
s->time->relative.weekday = relunit->multiplier;
if (s->time->relative.weekday_behavior != 2) {
s->time->relative.weekday_behavior = 1;
}
TIMELIB_DEINIT;
return TIMELIB_WEEKDAY;
}
relativetextweek
{
timelib_sll i;
int behavior = 0;
DEBUG_OUTPUT("relativetextweek");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
while(*ptr) {
i = timelib_get_relative_text((char **) &ptr, &behavior);
timelib_eat_spaces((char **) &ptr);
timelib_set_relative((char **) &ptr, i, behavior, s);
s->time->relative.weekday_behavior = 2;
/* to handle the format weekday + last/this/next week */
if (s->time->relative.have_weekday_relative == 0) {
TIMELIB_HAVE_WEEKDAY_RELATIVE();
s->time->relative.weekday = 1;
}
}
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
relativetext
{
timelib_sll i;
int behavior = 0;
DEBUG_OUTPUT("relativetext");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
while(*ptr) {
i = timelib_get_relative_text((char **) &ptr, &behavior);
timelib_eat_spaces((char **) &ptr);
timelib_set_relative((char **) &ptr, i, behavior, s);
}
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
monthfull | monthabbr
{
DEBUG_OUTPUT("monthtext");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_lookup_month((char **) &ptr);
TIMELIB_DEINIT;
return TIMELIB_DATE_TEXT;
}
tzcorrection | tz
{
int tz_not_found;
DEBUG_OUTPUT("tzcorrection | tz");
TIMELIB_INIT;
TIMELIB_HAVE_TZ();
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
TIMELIB_DEINIT;
return TIMELIB_TIMEZONE;
}
dateshortwithtimeshort12 | dateshortwithtimelong12
{
DEBUG_OUTPUT("dateshortwithtimeshort12 | dateshortwithtimelong12");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':' || *ptr == '.') {
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr == '.') {
s->time->us = timelib_get_frac_nr((char **) &ptr, 8);
}
}
s->time->h += timelib_meridian((char **) &ptr, s->time->h);
TIMELIB_DEINIT;
return TIMELIB_SHORTDATE_WITH_TIME;
}
dateshortwithtimeshort | dateshortwithtimelong | dateshortwithtimelongtz
{
int tz_not_found;
DEBUG_OUTPUT("dateshortwithtimeshort | dateshortwithtimelong | dateshortwithtimelongtz");
TIMELIB_INIT;
TIMELIB_HAVE_DATE();
s->time->m = timelib_get_month((char **) &ptr);
s->time->d = timelib_get_nr((char **) &ptr, 2);
TIMELIB_HAVE_TIME();
s->time->h = timelib_get_nr((char **) &ptr, 2);
s->time->i = timelib_get_nr((char **) &ptr, 2);
if (*ptr == ':') {
s->time->s = timelib_get_nr((char **) &ptr, 2);
if (*ptr == '.') {
s->time->us = timelib_get_frac_nr((char **) &ptr, 8);
}
}
if (*ptr != '\0') {
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database");
}
}
TIMELIB_DEINIT;
return TIMELIB_SHORTDATE_WITH_TIME;
}
relative
{
timelib_ull i;
DEBUG_OUTPUT("relative");
TIMELIB_INIT;
TIMELIB_HAVE_RELATIVE();
while(*ptr) {
i = timelib_get_unsigned_nr((char **) &ptr, 24);
timelib_eat_spaces((char **) &ptr);
timelib_set_relative((char **) &ptr, i, 1, s);
}
TIMELIB_DEINIT;
return TIMELIB_RELATIVE;
}
[ .,\t]
{
goto std;
}
"\000"|"\n"
{
s->pos = cursor; s->line++;
goto std;
}
any
{
add_error(s, TIMELIB_ERR_UNEXPECTED_CHARACTER, "Unexpected character");
goto std;
}
*/
}
/*!max:re2c */
timelib_time* timelib_strtotime(char *s, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper)
{
Scanner in;
int t;
char *e = s + len - 1;
memset(&in, 0, sizeof(in));
in.errors = timelib_malloc(sizeof(timelib_error_container));
in.errors->warning_count = 0;
in.errors->warning_messages = NULL;
in.errors->error_count = 0;
in.errors->error_messages = NULL;
if (len > 0) {
while (isspace(*s) && s < e) {
s++;
}
while (isspace(*e) && e > s) {
e--;
}
}
if (e - s < 0) {
in.time = timelib_time_ctor();
add_error(&in, TIMELIB_ERR_EMPTY_STRING, "Empty string");
if (errors) {
*errors = in.errors;
} else {
timelib_error_container_dtor(in.errors);
}
in.time->y = in.time->d = in.time->m = in.time->h = in.time->i = in.time->s = in.time->us = in.time->dst = in.time->z = TIMELIB_UNSET;
in.time->is_localtime = in.time->zone_type = 0;
return in.time;
}
e++;
in.str = timelib_malloc((e - s) + YYMAXFILL);
memset(in.str, 0, (e - s) + YYMAXFILL);
memcpy(in.str, s, (e - s));
in.lim = in.str + (e - s) + YYMAXFILL;
in.cur = in.str;
in.time = timelib_time_ctor();
in.time->y = TIMELIB_UNSET;
in.time->d = TIMELIB_UNSET;
in.time->m = TIMELIB_UNSET;
in.time->h = TIMELIB_UNSET;
in.time->i = TIMELIB_UNSET;
in.time->s = TIMELIB_UNSET;
in.time->us = TIMELIB_UNSET;
in.time->z = TIMELIB_UNSET;
in.time->dst = TIMELIB_UNSET;
in.tzdb = tzdb;
in.time->is_localtime = 0;
in.time->zone_type = 0;
in.time->relative.days = TIMELIB_UNSET;
do {
t = scan(&in, tz_get_wrapper);
#ifdef DEBUG_PARSER
printf("%d\n", t);
#endif
} while(t != EOI);
/* do funky checking whether the parsed time was valid time */
if (in.time->have_time && !timelib_valid_time( in.time->h, in.time->i, in.time->s)) {
add_warning(&in, TIMELIB_WARN_INVALID_TIME, "The parsed time was invalid");
}
/* do funky checking whether the parsed date was valid date */
if (in.time->have_date && !timelib_valid_date( in.time->y, in.time->m, in.time->d)) {
add_warning(&in, TIMELIB_WARN_INVALID_DATE, "The parsed date was invalid");
}
timelib_free(in.str);
if (errors) {
*errors = in.errors;
} else {
timelib_error_container_dtor(in.errors);
}
return in.time;
}
#define TIMELIB_CHECK_NUMBER \
if (strchr("0123456789", *ptr) == NULL) \
{ \
add_pbf_error(s, TIMELIB_ERR_UNEXPECTED_DATA, "Unexpected data found.", string, begin); \
}
#define TIMELIB_CHECK_SIGNED_NUMBER \
if (strchr("-0123456789", *ptr) == NULL) \
{ \
add_pbf_error(s, TIMELIB_ERR_UNEXPECTED_DATA, "Unexpected data found.", string, begin); \
}
static void timelib_time_reset_fields(timelib_time *time)
{
assert(time != NULL);
time->y = 1970;
time->m = 1;
time->d = 1;
time->h = time->i = time->s = 0;
time->us = 0;
time->tz_info = NULL;
}
static void timelib_time_reset_unset_fields(timelib_time *time)
{
assert(time != NULL);
if (time->y == TIMELIB_UNSET ) time->y = 1970;
if (time->m == TIMELIB_UNSET ) time->m = 1;
if (time->d == TIMELIB_UNSET ) time->d = 1;
if (time->h == TIMELIB_UNSET ) time->h = 0;
if (time->i == TIMELIB_UNSET ) time->i = 0;
if (time->s == TIMELIB_UNSET ) time->s = 0;
if (time->us == TIMELIB_UNSET ) time->us = 0;
}
static const timelib_format_specifier default_format_map[] = {
{'+', TIMELIB_FORMAT_ALLOW_EXTRA_CHARACTERS},
{'#', TIMELIB_FORMAT_ANY_SEPARATOR},
{'j', TIMELIB_FORMAT_DAY_TWO_DIGIT},
{'d', TIMELIB_FORMAT_DAY_TWO_DIGIT_PADDED},
{'z', TIMELIB_FORMAT_DAY_OF_YEAR},
{'S', TIMELIB_FORMAT_DAY_SUFFIX},
{'U', TIMELIB_FORMAT_EPOCH_SECONDS},
{'\\', TIMELIB_FORMAT_ESCAPE},
{'h', TIMELIB_FORMAT_HOUR_TWO_DIGIT_12_MAX},
{'g', TIMELIB_FORMAT_HOUR_TWO_DIGIT_12_MAX_PADDED},
{'H', TIMELIB_FORMAT_HOUR_TWO_DIGIT_24_MAX},
{'G', TIMELIB_FORMAT_HOUR_TWO_DIGIT_24_MAX_PADDED},
{'a', TIMELIB_FORMAT_MERIDIAN},
{'A', TIMELIB_FORMAT_MERIDIAN},
{'u', TIMELIB_FORMAT_MICROSECOND_SIX_DIGIT},
{'v', TIMELIB_FORMAT_MILLISECOND_THREE_DIGIT},
{'i', TIMELIB_FORMAT_MINUTE_TWO_DIGIT},
{'n', TIMELIB_FORMAT_MONTH_TWO_DIGIT},
{'m', TIMELIB_FORMAT_MONTH_TWO_DIGIT_PADDED},
{'?', TIMELIB_FORMAT_RANDOM_CHAR},
{'!', TIMELIB_FORMAT_RESET_ALL},
{'|', TIMELIB_FORMAT_RESET_ALL_WHEN_NOT_SET},
{'s', TIMELIB_FORMAT_SECOND_TWO_DIGIT},
{';', TIMELIB_FORMAT_SEPARATOR},
{':', TIMELIB_FORMAT_SEPARATOR},
{'/', TIMELIB_FORMAT_SEPARATOR},
{'.', TIMELIB_FORMAT_SEPARATOR},
{',', TIMELIB_FORMAT_SEPARATOR},
{'-', TIMELIB_FORMAT_SEPARATOR},
{'(', TIMELIB_FORMAT_SEPARATOR},
{')', TIMELIB_FORMAT_SEPARATOR},
{'*', TIMELIB_FORMAT_SKIP_TO_SEPARATOR},
{'D', TIMELIB_FORMAT_TEXTUAL_DAY_3_LETTER},
{'l', TIMELIB_FORMAT_TEXTUAL_DAY_FULL},
{'M', TIMELIB_FORMAT_TEXTUAL_MONTH_3_LETTER},
{'F', TIMELIB_FORMAT_TEXTUAL_MONTH_FULL},
{'e', TIMELIB_FORMAT_TIMEZONE_OFFSET},
{'P', TIMELIB_FORMAT_TIMEZONE_OFFSET},
{'T', TIMELIB_FORMAT_TIMEZONE_OFFSET},
{'O', TIMELIB_FORMAT_TIMEZONE_OFFSET},
{' ', TIMELIB_FORMAT_WHITESPACE},
{'y', TIMELIB_FORMAT_YEAR_TWO_DIGIT},
{'Y', TIMELIB_FORMAT_YEAR_FOUR_DIGIT},
{'\0', TIMELIB_FORMAT_END}
};
static const timelib_format_config default_format_config = {
default_format_map,
// No prefix required by default.
'\0'
};
static timelib_format_specifier_code timelib_lookup_format(char input, const timelib_format_specifier* format_map)
{
while (format_map && format_map->specifier != '\0') {
if (format_map->specifier == input) {
return format_map->code;
}
format_map++;
}
return TIMELIB_FORMAT_LITERAL;
}
timelib_time *timelib_parse_from_format(char *format, char *string, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper)
{
return timelib_parse_from_format_with_map(format, string, len, errors, tzdb, tz_get_wrapper, &default_format_config);
}
timelib_time *timelib_parse_from_format_with_map(char *format, char *string, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper, const timelib_format_config* format_config)
{
char *fptr = format;
char *ptr = string;
char *begin;
timelib_sll tmp;
Scanner in;
Scanner *s = &in;
bool allow_extra = false;
bool prefix_found = false;
int iso_year = TIMELIB_UNSET;
int iso_week_of_year = TIMELIB_UNSET;
int iso_day_of_week = TIMELIB_UNSET;
char prefix_char = format_config->prefix_char;
const timelib_format_specifier *format_map = format_config->format_map;
memset(&in, 0, sizeof(in));
in.errors = timelib_malloc(sizeof(timelib_error_container));
in.errors->warning_count = 0;
in.errors->warning_messages = NULL;
in.errors->error_count = 0;
in.errors->error_messages = NULL;
in.time = timelib_time_ctor();
in.time->y = TIMELIB_UNSET;
in.time->d = TIMELIB_UNSET;
in.time->m = TIMELIB_UNSET;
in.time->h = TIMELIB_UNSET;
in.time->i = TIMELIB_UNSET;
in.time->s = TIMELIB_UNSET;
in.time->us = TIMELIB_UNSET;
in.time->z = TIMELIB_UNSET;
in.time->dst = TIMELIB_UNSET;
in.tzdb = tzdb;
in.time->is_localtime = 0;
in.time->zone_type = 0;
/* Loop over the format string */
while (*fptr && *ptr) {
begin = ptr;
if (prefix_char) {
/* There are 2 cases where the input string and format string
* should match the next literal:
*
* 1. No prefix has been specified yet in the format, so expect 1:1
* match.
* 2. Sequential prefix characters indicating that the second
* prefix is escaped. (e.g. "%%" is expecting literal "%")
*/
if ((!prefix_found && *fptr != prefix_char) ||
(prefix_found && *fptr == prefix_char)) {
if (*fptr != *ptr) {
add_pbf_error(s, TIMELIB_ERR_FORMAT_LITERAL_MISMATCH, "Format literal not found", string, begin);
}
ptr++;
fptr++;
prefix_found = false;
continue;
}
if (*fptr == prefix_char) {
fptr++;
prefix_found = true;
continue;
}
/* Fall through case is that the prefix has been found and the next
* character is the format specifier. */
prefix_found = false;
}
switch (timelib_lookup_format(*fptr, format_map)) {
case TIMELIB_FORMAT_TEXTUAL_DAY_3_LETTER: /* three letter day */
case TIMELIB_FORMAT_TEXTUAL_DAY_FULL: /* full day */
{
const timelib_relunit* tmprel = 0;
tmprel = timelib_lookup_relunit((char **) &ptr);
if (!tmprel) {
add_pbf_error(s, TIMELIB_ERR_NO_TEXTUAL_DAY, "A textual day could not be found", string, begin);
break;
} else {
in.time->have_relative = 1;
in.time->relative.have_weekday_relative = 1;
in.time->relative.weekday = tmprel->multiplier;
in.time->relative.weekday_behavior = 1;
}
}
break;
case TIMELIB_FORMAT_DAY_TWO_DIGIT: /* two digit day, without leading zero */
case TIMELIB_FORMAT_DAY_TWO_DIGIT_PADDED: /* two digit day, with leading zero */
TIMELIB_CHECK_NUMBER;
if ((s->time->d = timelib_get_nr((char **) &ptr, 2)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_DAY, "A two digit day could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_DAY_SUFFIX: /* day suffix, ignored, nor checked */
timelib_skip_day_suffix((char **) &ptr);
break;
case TIMELIB_FORMAT_DAY_OF_YEAR: /* day of year - resets month (0 based) - also initializes everything else to !TIMELIB_UNSET */
TIMELIB_CHECK_NUMBER;
if ((tmp = timelib_get_nr((char **) &ptr, 3)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_THREE_DIGIT_DAY_OF_YEAR, "A three digit day-of-year could not be found", string, begin);
} else {
s->time->m = 1;
s->time->d = tmp + 1;
timelib_do_normalize(s->time);
}
break;
case TIMELIB_FORMAT_MONTH_TWO_DIGIT: /* two digit month, without leading zero */
case TIMELIB_FORMAT_MONTH_TWO_DIGIT_PADDED: /* two digit month, with leading zero */
TIMELIB_CHECK_NUMBER;
if ((s->time->m = timelib_get_nr((char **) &ptr, 2)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_MONTH, "A two digit month could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_TEXTUAL_MONTH_3_LETTER: /* three letter month */
case TIMELIB_FORMAT_TEXTUAL_MONTH_FULL: /* full month */
tmp = timelib_lookup_month((char **) &ptr);
if (!tmp) {
add_pbf_error(s, TIMELIB_ERR_NO_TEXTUAL_MONTH, "A textual month could not be found", string, begin);
} else {
s->time->m = tmp;
}
break;
case TIMELIB_FORMAT_YEAR_TWO_DIGIT: /* two digit year */
{
int length = 0;
TIMELIB_CHECK_NUMBER;
if ((s->time->y = timelib_get_nr_ex((char **) &ptr, 2, &length)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_YEAR, "A two digit year could not be found", string, begin);
}
TIMELIB_PROCESS_YEAR(s->time->y, length);
}
break;
case TIMELIB_FORMAT_YEAR_FOUR_DIGIT: /* four digit year */
TIMELIB_CHECK_NUMBER;
if ((s->time->y = timelib_get_nr((char **) &ptr, 4)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_FOUR_DIGIT_YEAR, "A four digit year could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_HOUR_TWO_DIGIT_12_MAX: /* two digit hour, without leading zero */
case TIMELIB_FORMAT_HOUR_TWO_DIGIT_12_MAX_PADDED: /* two digit hour, with leading zero */
TIMELIB_CHECK_NUMBER;
if ((s->time->h = timelib_get_nr((char **) &ptr, 2)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_HOUR, "A two digit hour could not be found", string, begin);
}
if (s->time->h > 12) {
add_pbf_error(s, TIMELIB_ERR_HOUR_LARGER_THAN_12, "Hour can not be higher than 12", string, begin);
}
break;
case TIMELIB_FORMAT_HOUR_TWO_DIGIT_24_MAX_PADDED: /* two digit hour, with leading zero */
case TIMELIB_FORMAT_HOUR_TWO_DIGIT_24_MAX: /* two digit hour, without leading zero */
TIMELIB_CHECK_NUMBER;
if ((s->time->h = timelib_get_nr((char **) &ptr, 2)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_HOUR, "A two digit hour could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_MERIDIAN: /* am/pm/a.m./p.m. AM/PM/A.M./P.M. */
if (s->time->h == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_MERIDIAN_BEFORE_HOUR, "Meridian can only come after an hour has been found", string, begin);
} else if ((tmp = timelib_meridian_with_check((char **) &ptr, s->time->h)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_MERIDIAN, "A meridian could not be found", string, begin);
} else {
s->time->h += tmp;
}
break;
case TIMELIB_FORMAT_MINUTE_TWO_DIGIT: /* two digit minute, with leading zero */
{
int length;
timelib_sll min;
TIMELIB_CHECK_NUMBER;
min = timelib_get_nr_ex((char **) &ptr, 2, &length);
if (min == TIMELIB_UNSET || length != 2) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_MINUTE, "A two digit minute could not be found", string, begin);
} else {
s->time->i = min;
}
}
break;
case TIMELIB_FORMAT_SECOND_TWO_DIGIT: /* two digit second, with leading zero */
{
int length;
timelib_sll sec;
TIMELIB_CHECK_NUMBER;
sec = timelib_get_nr_ex((char **) &ptr, 2, &length);
if (sec == TIMELIB_UNSET || length != 2) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_SECOND, "A two digit second could not be found", string, begin);
} else {
s->time->s = sec;
}
}
break;
case TIMELIB_FORMAT_MICROSECOND_SIX_DIGIT: /* up to six digit microsecond */
{
double f;
char *tptr;
TIMELIB_CHECK_NUMBER;
tptr = ptr;
if ((f = timelib_get_nr((char **) &ptr, 6)) == TIMELIB_UNSET || (ptr - tptr < 1)) {
add_pbf_error(s, TIMELIB_ERR_NO_SIX_DIGIT_MICROSECOND, "A six digit microsecond could not be found", string, begin);
} else {
s->time->us = (f * pow(10, 6 - (ptr - tptr)));
}
}
break;
case TIMELIB_FORMAT_MILLISECOND_THREE_DIGIT: /* up to three digit millisecond */
{
double f;
char *tptr;
TIMELIB_CHECK_NUMBER;
tptr = ptr;
if ((f = timelib_get_nr((char **) &ptr, 3)) == TIMELIB_UNSET || (ptr - tptr < 1)) {
add_pbf_error(s, TIMELIB_ERR_NO_THREE_DIGIT_MILLISECOND, "A three digit millisecond could not be found", string, begin);
} else {
s->time->us = (f * pow(10, 3 - (ptr - tptr)) * 1000);
}
}
break;
case TIMELIB_FORMAT_WHITESPACE: /* any sort of whitespace (' ' and \t) */
timelib_eat_spaces((char **) &ptr);
break;
case TIMELIB_FORMAT_EPOCH_SECONDS: /* epoch seconds */
TIMELIB_CHECK_SIGNED_NUMBER;
TIMELIB_HAVE_RELATIVE();
tmp = timelib_get_unsigned_nr((char **) &ptr, 24);
s->time->y = 1970;
s->time->m = 1;
s->time->d = 1;
s->time->h = s->time->i = s->time->s = 0;
s->time->relative.s += tmp;
s->time->is_localtime = 1;
s->time->zone_type = TIMELIB_ZONETYPE_OFFSET;
s->time->z = 0;
s->time->dst = 0;
break;
case TIMELIB_FORMAT_ANY_SEPARATOR: /* separation symbol */
if (timelib_lookup_format(*ptr, format_map) == TIMELIB_FORMAT_SEPARATOR) {
++ptr;
} else {
add_pbf_error(s, TIMELIB_ERR_NO_SEP_SYMBOL, "The separation symbol ([;:/.,-]) could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_SEPARATOR:
if (*ptr == *fptr) {
++ptr;
} else {
add_pbf_error(s, TIMELIB_ERR_NO_SEP_SYMBOL, "The separation symbol could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_RESET_ALL: /* reset all fields to default */
timelib_time_reset_fields(s->time);
break; /* break intentionally not missing */
case TIMELIB_FORMAT_RESET_ALL_WHEN_NOT_SET: /* reset all fields to default when not set */
timelib_time_reset_unset_fields(s->time);
break; /* break intentionally not missing */
case TIMELIB_FORMAT_RANDOM_CHAR: /* random char */
++ptr;
break;
case TIMELIB_FORMAT_ESCAPE: /* escaped char */
if(!fptr[1]) {
add_pbf_error(s, TIMELIB_ERR_EXPECTED_ESCAPE_CHAR, "Escaped character expected", string, begin);
break;
}
fptr++;
if (*ptr == *fptr) {
++ptr;
} else {
add_pbf_error(s, TIMELIB_ERR_NO_ESCAPED_CHAR, "The escaped character could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_SKIP_TO_SEPARATOR: /* random chars until a separator or number ([ \t.,:;/-0123456789]) */
timelib_eat_until_separator((char **) &ptr);
break;
case TIMELIB_FORMAT_ALLOW_EXTRA_CHARACTERS: /* allow extra chars in the format */
allow_extra = true;
break;
case TIMELIB_FORMAT_YEAR_ISO:
if ((iso_year = timelib_get_nr((char **) &ptr, 4)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_FOUR_DIGIT_YEAR_ISO, "A four digit ISO year could not be found", string, begin);
}
break;
case TIMELIB_FORMAT_WEEK_OF_YEAR_ISO:
if ((iso_week_of_year = timelib_get_nr((char **) &ptr, 2)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_TWO_DIGIT_WEEK, "A two digit ISO week could not be found", string, begin);
}
/* Range is 1 - 53 for ISO week of year */
if (iso_week_of_year < 1 || iso_week_of_year > 53) {
add_pbf_error(s, TIMELIB_ERR_INVALID_WEEK, "ISO Week must be between 1 and 53", string, begin);
}
break;
case TIMELIB_FORMAT_DAY_OF_WEEK_ISO:
if ((iso_day_of_week = timelib_get_nr((char **) &ptr, 1)) == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_NO_DAY_OF_WEEK, "A single digit day of week could not be found", string, begin);
}
if (iso_day_of_week < 1 || iso_day_of_week > 7) {
add_pbf_error(s, TIMELIB_ERR_INVALID_DAY_OF_WEEK, "Day of week must be between 1 and 7", string, begin);
}
break;
case TIMELIB_FORMAT_TIMEZONE_OFFSET: /* timezone */
{
int tz_not_found;
s->time->z = timelib_parse_zone((char **) &ptr, &s->time->dst, s->time, &tz_not_found, s->tzdb, tz_get_wrapper);
if (tz_not_found) {
add_pbf_error(s, TIMELIB_ERR_TZID_NOT_FOUND, "The timezone could not be found in the database", string, begin);
}
}
break;
case TIMELIB_FORMAT_TIMEZONE_OFFSET_MINUTES: /* timezone format +/-mmm */
s->time->z = timelib_parse_tz_minutes((char **) &ptr, s->time);
if (s->time->z == TIMELIB_UNSET) {
add_pbf_error(s, TIMELIB_ERR_INVALID_TZ_OFFSET, "Invalid timezone offset in minutes", string, begin);
}
break;
case TIMELIB_FORMAT_LITERAL:
default:
if (*fptr != *ptr) {
add_pbf_error(s, TIMELIB_ERR_WRONG_FORMAT_SEP, "The format separator does not match", string, begin);
}
ptr++;
}
fptr++;
}
if (*ptr) {
if (allow_extra) {
add_pbf_warning(s, TIMELIB_WARN_TRAILING_DATA, "Trailing data", string, ptr);
} else {
add_pbf_error(s, TIMELIB_ERR_TRAILING_DATA, "Trailing data", string, ptr);
}
}
if (*fptr) {
/* Trailing reset specifiers are valid. */
int done = 0;
while (*fptr && !done) {
switch (timelib_lookup_format(*fptr, format_map)) {
case TIMELIB_FORMAT_RESET_ALL: /* reset all fields to default */
timelib_time_reset_fields(s->time);
break;
case TIMELIB_FORMAT_RESET_ALL_WHEN_NOT_SET: /* reset all fields to default when not set */
timelib_time_reset_unset_fields(s->time);
break;
case TIMELIB_FORMAT_ALLOW_EXTRA_CHARACTERS:
break;
default:
add_pbf_error(s, TIMELIB_ERR_DATA_MISSING, "Data missing", string, ptr);
done = 1;
}
fptr++;
}
}
/* clean up a bit */
if (s->time->h != TIMELIB_UNSET || s->time->i != TIMELIB_UNSET || s->time->s != TIMELIB_UNSET || s->time->us != TIMELIB_UNSET) {
if (s->time->h == TIMELIB_UNSET ) {
s->time->h = 0;
}
if (s->time->i == TIMELIB_UNSET ) {
s->time->i = 0;
}
if (s->time->s == TIMELIB_UNSET ) {
s->time->s = 0;
}
if (s->time->us == TIMELIB_UNSET ) {
s->time->us = 0;
}
}
/* Check for mixing of ISO dates with natural dates. */
if (s->time->y != TIMELIB_UNSET && (iso_week_of_year != TIMELIB_UNSET || iso_year != TIMELIB_UNSET || iso_day_of_week != TIMELIB_UNSET)) {
add_pbf_error(s, TIMELIB_ERR_MIX_ISO_WITH_NATURAL, "Mixing of ISO dates with natural dates is not allowed", string, ptr);
}
if (iso_year != TIMELIB_UNSET && (s->time->y != TIMELIB_UNSET || s->time->m != TIMELIB_UNSET || s->time->d != TIMELIB_UNSET)) {
add_pbf_error(s, TIMELIB_ERR_MIX_ISO_WITH_NATURAL, "Mixing of ISO dates with natural dates is not allowed", string, ptr);
}
/* Convert ISO values */
if (iso_year != TIMELIB_UNSET) {
/* Default week of year and day of week to 1. */
if (iso_week_of_year == TIMELIB_UNSET) {
iso_week_of_year = 1;
}
if (iso_day_of_week == TIMELIB_UNSET) {
iso_day_of_week = 1;
}
timelib_date_from_isodate(iso_year, iso_week_of_year, iso_day_of_week, &s->time->y, &s->time->m, &s->time->d);
} else if (iso_week_of_year != TIMELIB_UNSET || iso_day_of_week != TIMELIB_UNSET) {
add_pbf_warning(s, TIMELIB_WARN_INVALID_DATE, "The parsed date was invalid", string, ptr);
}
/* do funky checking whether the parsed time was valid time */
if (s->time->h != TIMELIB_UNSET && s->time->i != TIMELIB_UNSET &&
s->time->s != TIMELIB_UNSET &&
!timelib_valid_time( s->time->h, s->time->i, s->time->s)) {
add_pbf_warning(s, TIMELIB_WARN_INVALID_TIME, "The parsed time was invalid", string, ptr);
}
/* do funky checking whether the parsed date was valid date */
if (s->time->y != TIMELIB_UNSET && s->time->m != TIMELIB_UNSET &&
s->time->d != TIMELIB_UNSET &&
!timelib_valid_date( s->time->y, s->time->m, s->time->d)) {
add_pbf_warning(s, TIMELIB_WARN_INVALID_DATE, "The parsed date was invalid", string, ptr);
}
if (errors) {
*errors = in.errors;
} else {
timelib_error_container_dtor(in.errors);
}
return in.time;
}
void timelib_fill_holes(timelib_time *parsed, timelib_time *now, int options)
{
if (!(options & TIMELIB_OVERRIDE_TIME) && parsed->have_date && !parsed->have_time) {
parsed->h = 0;
parsed->i = 0;
parsed->s = 0;
parsed->us = 0;
}
if (
parsed->y != TIMELIB_UNSET || parsed->m != TIMELIB_UNSET || parsed->d != TIMELIB_UNSET ||
parsed->h != TIMELIB_UNSET || parsed->i != TIMELIB_UNSET || parsed->s != TIMELIB_UNSET
) {
if (parsed->us == TIMELIB_UNSET) parsed->us = 0;
} else {
if (parsed->us == TIMELIB_UNSET) parsed->us = now->us != TIMELIB_UNSET ? now->us : 0;
}
if (parsed->y == TIMELIB_UNSET) parsed->y = now->y != TIMELIB_UNSET ? now->y : 0;
if (parsed->m == TIMELIB_UNSET) parsed->m = now->m != TIMELIB_UNSET ? now->m : 0;
if (parsed->d == TIMELIB_UNSET) parsed->d = now->d != TIMELIB_UNSET ? now->d : 0;
if (parsed->h == TIMELIB_UNSET) parsed->h = now->h != TIMELIB_UNSET ? now->h : 0;
if (parsed->i == TIMELIB_UNSET) parsed->i = now->i != TIMELIB_UNSET ? now->i : 0;
if (parsed->s == TIMELIB_UNSET) parsed->s = now->s != TIMELIB_UNSET ? now->s : 0;
if (parsed->z == TIMELIB_UNSET) parsed->z = now->z != TIMELIB_UNSET ? now->z : 0;
if (parsed->dst == TIMELIB_UNSET) parsed->dst = now->dst != TIMELIB_UNSET ? now->dst : 0;
if (!parsed->tz_abbr) {
parsed->tz_abbr = now->tz_abbr ? timelib_strdup(now->tz_abbr) : NULL;
}
if (!parsed->tz_info) {
parsed->tz_info = now->tz_info ? (!(options & TIMELIB_NO_CLONE) ? timelib_tzinfo_clone(now->tz_info) : now->tz_info) : NULL;
}
if (parsed->zone_type == 0 && now->zone_type != 0) {
parsed->zone_type = now->zone_type;
/* parsed->tz_abbr = now->tz_abbr ? timelib_strdup(now->tz_abbr) : NULL;
parsed->tz_info = now->tz_info ? timelib_tzinfo_clone(now->tz_info) : NULL;
*/ parsed->is_localtime = 1;
}
/* timelib_dump_date(parsed, 2);
timelib_dump_date(now, 2);
*/
}
char *timelib_timezone_id_from_abbr(const char *abbr, timelib_long gmtoffset, int isdst)
{
const timelib_tz_lookup_table *tp;
tp = abbr_search(abbr, gmtoffset, isdst);
if (tp) {
return (tp->full_tz_name);
} else {
return NULL;
}
}
const timelib_tz_lookup_table *timelib_timezone_abbreviations_list(void)
{
return timelib_timezone_lookup;
}
#ifdef DEBUG_PARSER_STUB
int main(void)
{
timelib_time time = timelib_strtotime("May 12");
printf ("%04d-%02d-%02d %02d:%02d:%02d.%-5d %+04d %1d",
time.y, time.m, time.d, time.h, time.i, time.s, time.f, time.z, time.dst);
if (time.have_relative) {
printf ("%3dY %3dM %3dD / %3dH %3dM %3dS",
time.relative.y, time.relative.m, time.relative.d, time.relative.h, time.relative.i, time.relative.s);
}
if (time.have_weekday_relative) {
printf (" / %d", time.relative.weekday);
}
if (time.have_weeknr_day) {
printf(" / %dW%d", time.relative.weeknr_day.weeknr, time.relative.weeknr_day.dayofweek);
}
return 0;
}
#endif
/*
* vim: syntax=c
*/