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ptimec.hh
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ptimec.hh
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/**
* Copyright (c) 2014, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @file ptimec.hh
*/
#ifndef pctimec_hh
#define pctimec_hh
#include "config.h"
// XXX
#define __STDC_FORMAT_MACROS
#include <cstdlib>
#include <ctype.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include "base/lnav_log.hh"
#include "base/time_util.hh"
#define PTIME_CONSUME(amount, block) \
if ((off_inout + (amount)) > len) { \
return false; \
} \
\
block \
\
off_inout \
+= (amount);
#define PTIME_APPEND(ch) \
if ((off_inout + 2) >= len) { \
return; \
} \
dst[off_inout] = ch; \
off_inout += 1;
#define ABR_TO_INT(a, b, c) (((a) << 24) | ((b) << 16) | ((c) << 8))
inline bool
ptime_upto(char ch, const char* str, off_t& off_inout, ssize_t len)
{
for (; off_inout < len; off_inout++) {
if (str[off_inout] == ch) {
return true;
}
}
return false;
}
inline bool
ptime_upto_end(const char* str, off_t& off_inout, ssize_t len)
{
off_inout = len;
return true;
}
bool ptime_b_slow(struct exttm* dst,
const char* str,
off_t& off_inout,
ssize_t len);
inline bool
ptime_b(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
if (off_inout + 3 < len) {
auto month_start = (unsigned char*) &str[off_inout];
uint32_t month_int = ABR_TO_INT(month_start[0] & ~0x20UL,
month_start[1] & ~0x20UL,
month_start[2] & ~0x20UL);
int val;
switch (month_int) {
case ABR_TO_INT('J', 'A', 'N'):
val = 0;
break;
case ABR_TO_INT('F', 'E', 'B'):
val = 1;
break;
case ABR_TO_INT('M', 'A', 'R'):
val = 2;
break;
case ABR_TO_INT('A', 'P', 'R'):
val = 3;
break;
case ABR_TO_INT('M', 'A', 'Y'):
val = 4;
break;
case ABR_TO_INT('J', 'U', 'N'):
val = 5;
break;
case ABR_TO_INT('J', 'U', 'L'):
val = 6;
break;
case ABR_TO_INT('A', 'U', 'G'):
val = 7;
break;
case ABR_TO_INT('S', 'E', 'P'):
val = 8;
break;
case ABR_TO_INT('O', 'C', 'T'):
val = 9;
break;
case ABR_TO_INT('N', 'O', 'V'):
val = 10;
break;
case ABR_TO_INT('D', 'E', 'C'):
val = 11;
break;
default:
val = -1;
break;
}
if (val >= 0) {
off_inout += 3;
dst->et_tm.tm_mon = val;
dst->et_flags |= ETF_MONTH_SET;
return true;
}
}
return ptime_b_slow(dst, str, off_inout, len);
}
inline void
ftime_a(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
switch (tm.et_tm.tm_wday) {
case 0:
PTIME_APPEND('S');
PTIME_APPEND('u');
PTIME_APPEND('n');
break;
case 1:
PTIME_APPEND('M');
PTIME_APPEND('o');
PTIME_APPEND('n');
break;
case 2:
PTIME_APPEND('T');
PTIME_APPEND('u');
PTIME_APPEND('e');
break;
case 3:
PTIME_APPEND('W');
PTIME_APPEND('e');
PTIME_APPEND('d');
break;
case 4:
PTIME_APPEND('T');
PTIME_APPEND('h');
PTIME_APPEND('u');
break;
case 5:
PTIME_APPEND('F');
PTIME_APPEND('r');
PTIME_APPEND('i');
break;
case 6:
PTIME_APPEND('S');
PTIME_APPEND('a');
PTIME_APPEND('t');
break;
default:
PTIME_APPEND('X');
PTIME_APPEND('X');
PTIME_APPEND('X');
break;
}
}
inline void
ftime_b(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
switch (tm.et_tm.tm_mon) {
case 0:
PTIME_APPEND('J');
PTIME_APPEND('a');
PTIME_APPEND('n');
break;
case 1:
PTIME_APPEND('F');
PTIME_APPEND('e');
PTIME_APPEND('b');
break;
case 2:
PTIME_APPEND('M');
PTIME_APPEND('a');
PTIME_APPEND('r');
break;
case 3:
PTIME_APPEND('A');
PTIME_APPEND('p');
PTIME_APPEND('r');
break;
case 4:
PTIME_APPEND('M');
PTIME_APPEND('a');
PTIME_APPEND('y');
break;
case 5:
PTIME_APPEND('J');
PTIME_APPEND('u');
PTIME_APPEND('n');
break;
case 6:
PTIME_APPEND('J');
PTIME_APPEND('u');
PTIME_APPEND('l');
break;
case 7:
PTIME_APPEND('A');
PTIME_APPEND('u');
PTIME_APPEND('g');
break;
case 8:
PTIME_APPEND('S');
PTIME_APPEND('e');
PTIME_APPEND('p');
break;
case 9:
PTIME_APPEND('O');
PTIME_APPEND('c');
PTIME_APPEND('t');
break;
case 10:
PTIME_APPEND('N');
PTIME_APPEND('o');
PTIME_APPEND('v');
break;
case 11:
PTIME_APPEND('D');
PTIME_APPEND('e');
PTIME_APPEND('c');
break;
default:
PTIME_APPEND('X');
PTIME_APPEND('X');
PTIME_APPEND('X');
break;
}
}
inline bool
ptime_S(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
if (str[off_inout + 1] > '9') {
return false;
}
dst->et_tm.tm_sec
= (str[off_inout] - '0') * 10 + (str[off_inout + 1] - '0');
if (dst->et_tm.tm_sec < 0 || dst->et_tm.tm_sec >= 60) {
return false;
}
dst->et_flags |= ETF_SECOND_SET;
});
return true;
}
inline void
ftime_S(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + ((tm.et_tm.tm_sec / 10) % 10));
PTIME_APPEND('0' + ((tm.et_tm.tm_sec / 1) % 10));
}
inline bool
ptime_s(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
off_t off_start = off_inout;
lnav::time64_t epoch = 0;
while (off_inout < len && isdigit(str[off_inout])) {
if ((off_inout - off_start) > 11) {
return false;
}
epoch *= 10;
epoch += str[off_inout] - '0';
off_inout += 1;
}
if (epoch >= MAX_TIME_T) {
return false;
}
secs2tm(epoch, &dst->et_tm);
dst->et_flags = ETF_DAY_SET | ETF_MONTH_SET | ETF_YEAR_SET | ETF_HOUR_SET
| ETF_MINUTE_SET | ETF_SECOND_SET | ETF_MACHINE_ORIENTED
| ETF_EPOCH_TIME | ETF_ZONE_SET;
return (epoch > 0);
}
inline void
ftime_s(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
time_t t = tm2sec(&tm.et_tm);
snprintf(&dst[off_inout], len - off_inout, "%ld", t);
off_inout = strlen(dst);
}
inline bool
ptime_q(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
off_t off_start = off_inout;
lnav::time64_t epoch = 0;
while (off_inout < len && isxdigit(str[off_inout])) {
if ((off_inout - off_start) > 11) {
return false;
}
epoch *= 16;
switch (tolower(str[off_inout])) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
epoch += str[off_inout] - '0';
break;
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
epoch += str[off_inout] - 'a' + 10;
break;
}
off_inout += 1;
}
if (epoch >= MAX_TIME_T) {
return false;
}
secs2tm(epoch, &dst->et_tm);
dst->et_flags = ETF_DAY_SET | ETF_MONTH_SET | ETF_YEAR_SET | ETF_HOUR_SET
| ETF_MINUTE_SET | ETF_SECOND_SET | ETF_MACHINE_ORIENTED
| ETF_EPOCH_TIME | ETF_ZONE_SET;
return (epoch > 0);
}
inline void
ftime_q(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
time_t t = tm2sec(&tm.et_tm);
snprintf(&dst[off_inout], len - off_inout, "%lx", t);
off_inout = strlen(dst);
}
inline bool
ptime_L(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
auto avail = len - off_inout;
int ms = 0;
if (avail >= 3 && isdigit(str[off_inout + 2])) {
PTIME_CONSUME(3, {
char c0 = str[off_inout];
char c1 = str[off_inout + 1];
char c2 = str[off_inout + 2];
if (!isdigit(c0) || !isdigit(c1) || !isdigit(c2)) {
return false;
}
ms = ((str[off_inout] - '0') * 100 + (str[off_inout + 1] - '0') * 10
+ (str[off_inout + 2] - '0'));
});
} else if (avail >= 2 && isdigit(str[off_inout + 1])) {
PTIME_CONSUME(2, {
char c0 = str[off_inout];
char c1 = str[off_inout + 1];
if (!isdigit(c0) || !isdigit(c1)) {
return false;
}
ms = ((str[off_inout] - '0') * 100
+ (str[off_inout + 1] - '0') * 10);
});
} else {
PTIME_CONSUME(1, {
char c0 = str[off_inout];
if (!isdigit(c0)) {
return false;
}
ms = (str[off_inout] - '0') * 100;
});
}
if ((ms >= 0 && ms <= 999)) {
dst->et_flags |= ETF_MILLIS_SET;
dst->et_nsec = ms * 1000000;
return true;
}
return false;
}
inline void
ftime_L(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int millis = tm.et_nsec / 1000000;
PTIME_APPEND('0' + ((millis / 100) % 10));
PTIME_APPEND('0' + ((millis / 10) % 10));
PTIME_APPEND('0' + ((millis / 1) % 10));
}
inline bool
ptime_M(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
if (str[off_inout + 1] > '9') {
return false;
}
dst->et_tm.tm_min
= (str[off_inout] - '0') * 10 + (str[off_inout + 1] - '0');
dst->et_flags |= ETF_MINUTE_SET;
});
return (dst->et_tm.tm_min >= 0 && dst->et_tm.tm_min <= 59);
}
inline void
ftime_M(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + ((tm.et_tm.tm_min / 10) % 10));
PTIME_APPEND('0' + ((tm.et_tm.tm_min / 1) % 10));
}
inline bool
ptime_H(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
if (str[off_inout + 1] > '9') {
return false;
}
if (isdigit(str[off_inout])) {
dst->et_tm.tm_hour = (str[off_inout] - '0') * 10;
} else if (str[off_inout] == ' ') {
dst->et_tm.tm_hour = 0;
} else {
return false;
}
dst->et_tm.tm_hour += (str[off_inout + 1] - '0');
dst->et_flags |= ETF_HOUR_SET;
});
return (dst->et_tm.tm_hour >= 0 && dst->et_tm.tm_hour <= 23);
}
inline void
ftime_H(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + ((tm.et_tm.tm_hour / 10) % 10));
PTIME_APPEND('0' + ((tm.et_tm.tm_hour / 1) % 10));
}
inline bool
ptime_i(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
uint64_t epoch_ms = 0;
lnav::time64_t epoch;
while (off_inout < len && isdigit(str[off_inout])) {
epoch_ms *= 10;
epoch_ms += str[off_inout] - '0';
off_inout += 1;
}
dst->et_nsec = (epoch_ms % 1000ULL) * 1000000;
epoch = (epoch_ms / 1000ULL);
if (epoch >= MAX_TIME_T) {
return false;
}
secs2tm(epoch, &dst->et_tm);
dst->et_flags = ETF_DAY_SET | ETF_MONTH_SET | ETF_YEAR_SET | ETF_HOUR_SET
| ETF_MINUTE_SET | ETF_SECOND_SET | ETF_MILLIS_SET
| ETF_MACHINE_ORIENTED | ETF_EPOCH_TIME | ETF_ZONE_SET
| ETF_SUB_NOT_IN_FORMAT;
return (epoch_ms > 0);
}
inline void
ftime_i(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int64_t t = tm2sec(&tm.et_tm);
t += tm.et_nsec / 1000000;
snprintf(&dst[off_inout], len - off_inout, "%" PRId64, t);
off_inout = strlen(dst);
}
inline bool
ptime_6(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
uint64_t epoch_us = 0;
lnav::time64_t epoch;
while (off_inout < len && isdigit(str[off_inout])) {
epoch_us *= 10;
epoch_us += str[off_inout] - '0';
off_inout += 1;
}
dst->et_nsec = (epoch_us % 1000000ULL) * 1000ULL;
epoch = (epoch_us / 1000000ULL);
if (epoch >= MAX_TIME_T) {
return false;
}
secs2tm(epoch, &dst->et_tm);
dst->et_flags = ETF_DAY_SET | ETF_MONTH_SET | ETF_YEAR_SET | ETF_HOUR_SET
| ETF_MINUTE_SET | ETF_SECOND_SET | ETF_MICROS_SET
| ETF_MACHINE_ORIENTED | ETF_EPOCH_TIME | ETF_ZONE_SET
| ETF_SUB_NOT_IN_FORMAT | ETF_Z_FOR_UTC;
return (epoch_us > 0);
}
inline void
ftime_6(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int64_t t = tm2sec(&tm.et_tm);
t += tm.et_nsec / 1000;
snprintf(&dst[off_inout], len - off_inout, "%" PRId64, t);
off_inout = strlen(dst);
}
inline bool
ptime_I(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
if (str[off_inout + 1] > '9') {
return false;
}
if (isdigit(str[off_inout])) {
dst->et_tm.tm_hour = (str[off_inout] - '0') * 10;
} else if (str[off_inout] == ' ') {
dst->et_tm.tm_hour = 0;
} else {
return false;
}
dst->et_tm.tm_hour += (str[off_inout + 1] - '0');
if (dst->et_tm.tm_hour < 1 || dst->et_tm.tm_hour > 12) {
return false;
}
dst->et_flags |= ETF_HOUR_SET;
});
return true;
}
inline void
ftime_I(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int hour = tm.et_tm.tm_hour;
if (hour >= 12) {
hour -= 12;
}
if (hour == 0) {
hour = 12;
}
PTIME_APPEND('0' + ((hour / 10) % 10));
PTIME_APPEND('0' + ((hour / 1) % 10));
}
inline bool
ptime_d(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
dst->et_tm.tm_yday = -1;
if (str[off_inout] == ' ') {
dst->et_tm.tm_mday = 0;
} else {
dst->et_tm.tm_mday = (str[off_inout] - '0') * 10;
}
if (str[off_inout + 1] > '9') {
return false;
}
dst->et_tm.tm_mday += (str[off_inout + 1] - '0');
});
if (dst->et_tm.tm_mday >= 1 && dst->et_tm.tm_mday <= 31) {
dst->et_flags |= ETF_DAY_SET;
return true;
}
return false;
}
inline void
ftime_d(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + ((tm.et_tm.tm_mday / 10) % 10));
PTIME_APPEND('0' + ((tm.et_tm.tm_mday / 1) % 10));
}
inline bool
ptime_e(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
dst->et_tm.tm_yday = -1;
dst->et_tm.tm_mday = 0;
PTIME_CONSUME(1, {
if (str[off_inout] == ' ') {
dst->et_tm.tm_mday = 0;
} else if (str[off_inout] < '0' || str[off_inout] > '9') {
return false;
} else {
dst->et_tm.tm_mday = str[off_inout] - '0';
}
});
if (off_inout < len) {
if (str[off_inout] >= '0' && str[off_inout] <= '9') {
dst->et_tm.tm_mday *= 10;
dst->et_tm.tm_mday += str[off_inout] - '0';
off_inout += 1;
}
}
if (dst->et_tm.tm_mday >= 1 && dst->et_tm.tm_mday <= 31) {
dst->et_flags |= ETF_DAY_SET;
return true;
}
return false;
}
inline void
ftime_e(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
if (tm.et_tm.tm_mday < 10) {
PTIME_APPEND(' ');
} else {
PTIME_APPEND('0' + ((tm.et_tm.tm_mday / 10) % 10));
}
PTIME_APPEND('0' + ((tm.et_tm.tm_mday / 1) % 10));
}
inline bool
ptime_j(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
dst->et_tm.tm_yday = -1;
PTIME_CONSUME(1, {
if (str[off_inout] < '0' || str[off_inout] > '9') {
return false;
}
dst->et_tm.tm_yday = str[off_inout] - '0';
});
if (off_inout < len) {
if (str[off_inout] >= '0' && str[off_inout] <= '9') {
dst->et_tm.tm_yday *= 10;
dst->et_tm.tm_yday += str[off_inout] - '0';
off_inout += 1;
}
}
if (off_inout < len) {
if (str[off_inout] >= '0' && str[off_inout] <= '9') {
dst->et_tm.tm_yday *= 10;
dst->et_tm.tm_yday += str[off_inout] - '0';
off_inout += 1;
}
}
if (dst->et_tm.tm_yday >= 1 && dst->et_tm.tm_yday <= 366) {
dst->et_tm.tm_yday -= 1;
dst->et_flags |= ETF_YDAY_SET;
return true;
}
dst->et_tm.tm_yday = -1;
return false;
}
inline void
ftime_j(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + (((tm.et_tm.tm_yday + 1) / 100) % 100));
PTIME_APPEND('0' + (((tm.et_tm.tm_yday + 1) / 10) % 10));
PTIME_APPEND('0' + (((tm.et_tm.tm_yday + 1) / 1) % 10));
}
inline bool
ptime_m(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
off_t orig_off = off_inout;
dst->et_tm.tm_mon = 0;
PTIME_CONSUME(1, {
if (str[off_inout] < '0' || str[off_inout] > '9') {
return false;
}
dst->et_tm.tm_mon = str[off_inout] - '0';
});
if (off_inout < len) {
if (str[off_inout] >= '0' && str[off_inout] <= '9') {
dst->et_tm.tm_mon *= 10;
dst->et_tm.tm_mon += str[off_inout] - '0';
off_inout += 1;
}
}
dst->et_tm.tm_mon -= 1;
if (dst->et_tm.tm_mon >= 0 && dst->et_tm.tm_mon <= 11) {
dst->et_flags |= ETF_MONTH_SET;
return true;
}
off_inout = orig_off;
return false;
}
inline void
ftime_m(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
PTIME_APPEND('0' + (((tm.et_tm.tm_mon + 1) / 10) % 10));
PTIME_APPEND('0' + (((tm.et_tm.tm_mon + 1) / 1) % 10));
}
inline bool
ptime_k(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
dst->et_tm.tm_hour = 0;
PTIME_CONSUME(1, {
if (str[off_inout] < '0' || str[off_inout] > '9') {
return false;
}
dst->et_tm.tm_hour = str[off_inout] - '0';
});
if (off_inout < len) {
if (str[off_inout] >= '0' && str[off_inout] <= '9') {
dst->et_tm.tm_hour *= 10;
dst->et_tm.tm_hour += str[off_inout] - '0';
dst->et_flags |= ETF_HOUR_SET;
off_inout += 1;
}
}
return (dst->et_tm.tm_hour >= 0 && dst->et_tm.tm_hour <= 23);
}
inline void
ftime_k(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
if (tm.et_tm.tm_hour < 10) {
PTIME_APPEND(' ');
} else {
PTIME_APPEND('0' + ((tm.et_tm.tm_hour / 10) % 10));
}
PTIME_APPEND('0' + ((tm.et_tm.tm_hour / 1) % 10));
}
inline bool
ptime_l(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
off_t orig_off = off_inout;
bool consumed_space = false;
dst->et_tm.tm_hour = 0;
if ((off_inout + 1) >= len) {
return false;
}
if (str[off_inout] == ' ') {
consumed_space = true;
off_inout += 1;
}
if ((off_inout + 1) >= len) {
off_inout = orig_off;
return false;
}
if (str[off_inout] < '1' || str[off_inout] > '9') {
off_inout = orig_off;
return false;
}
dst->et_tm.tm_hour = str[off_inout] - '0';
off_inout += 1;
if (!consumed_space && (off_inout + 1) >= len) {
off_inout = orig_off;
return false;
}
if (consumed_space || str[off_inout] < '0' || str[off_inout] > '9') {
dst->et_flags |= ETF_HOUR_SET;
return true;
}
dst->et_tm.tm_hour *= 10;
dst->et_tm.tm_hour += str[off_inout] - '0';
off_inout += 1;
if (dst->et_tm.tm_hour >= 0 && dst->et_tm.tm_hour <= 23) {
dst->et_flags |= ETF_HOUR_SET;
return true;
}
off_inout = orig_off;
return false;
}
inline void
ftime_l(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int hour = tm.et_tm.tm_hour;
if (hour >= 12) {
hour -= 12;
}
if (hour == 0) {
hour = 12;
}
if (hour < 10) {
PTIME_APPEND(' ');
} else {
PTIME_APPEND('0' + ((hour / 10) % 10));
}
PTIME_APPEND('0' + ((hour / 1) % 10));
}
inline bool
ptime_p(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
char lead = str[off_inout];
if ((str[off_inout + 1] & 0xdf) != 'M') {
return false;
} else if ((lead & 0xdf) == 'A') {
if (dst->et_tm.tm_hour == 12) {
dst->et_tm.tm_hour = 0;
}
} else if ((lead & 0xdf) == 'P') {
if (dst->et_tm.tm_hour < 12) {
dst->et_tm.tm_hour += 12;
}
} else {
return false;
}
});
return true;
}
inline void
ftime_p(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
if (tm.et_tm.tm_hour < 12) {
PTIME_APPEND('A');
} else {
PTIME_APPEND('P');
}
PTIME_APPEND('M');
}
inline bool
ptime_Y(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(4, {
dst->et_tm.tm_year = ((str[off_inout + 0] - '0') * 1000
+ (str[off_inout + 1] - '0') * 100
+ (str[off_inout + 2] - '0') * 10
+ (str[off_inout + 3] - '0') * 1)
- 1900;
if (dst->et_tm.tm_year < 0 || dst->et_tm.tm_year > 1100) {
return false;
}
dst->et_flags |= ETF_YEAR_SET;
});
return true;
}
inline void
ftime_Y(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int year = tm.et_tm.tm_year + 1900;
PTIME_APPEND('0' + ((year / 1000) % 10));
PTIME_APPEND('0' + ((year / 100) % 10));
PTIME_APPEND('0' + ((year / 10) % 10));
PTIME_APPEND('0' + ((year / 1) % 10));
}
inline bool
ptime_y(struct exttm* dst, const char* str, off_t& off_inout, ssize_t len)
{
PTIME_CONSUME(2, {
dst->et_tm.tm_year = ((str[off_inout + 0] - '0') * 10
+ (str[off_inout + 1] - '0') * 1);
});
if (dst->et_tm.tm_year >= 0 && dst->et_tm.tm_year < 100) {
if (dst->et_tm.tm_year < 69) {
dst->et_tm.tm_year += 100;
}
dst->et_flags |= ETF_YEAR_SET;
return true;
}
return false;
}
inline void
ftime_y(char* dst, off_t& off_inout, ssize_t len, const struct exttm& tm)
{
int year = tm.et_tm.tm_year + 1900;
PTIME_APPEND('0' + ((year / 10) % 10));
PTIME_APPEND('0' + ((year / 1) % 10));
}
inline bool
ptime_Z_upto(struct exttm* dst,
const char* str,
off_t& off_inout,
ssize_t len,
char term)
{
auto avail = len - off_inout;
if (avail >= 3 && str[off_inout + 0] == 'U' && str[off_inout + 1] == 'T'
&& str[off_inout + 2] == 'C')
{
PTIME_CONSUME(3, { dst->et_flags |= ETF_ZONE_SET | ETF_Z_IS_UTC; });
dst->et_gmtoff = 0;
return true;
}
if (avail >= 3 && str[off_inout + 0] == 'G' && str[off_inout + 1] == 'M'
&& str[off_inout + 2] == 'T')
{
PTIME_CONSUME(3, { dst->et_flags |= ETF_ZONE_SET | ETF_Z_IS_GMT; });
dst->et_gmtoff = 0;
return true;
}
return ptime_upto(term, str, off_inout, len);
}
inline bool
ptime_Z_upto_end(struct exttm* dst,
const char* str,
off_t& off_inout,
ssize_t len)
{