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185 lines
5.8 KiB
C++
185 lines
5.8 KiB
C++
/**
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* Copyright (c) 2014, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file ptimec_rt.cc
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*/
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#include "config.h"
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#include <string.h>
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#include <langinfo.h>
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#include <set>
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#include <algorithm>
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#include "ptimec.hh"
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bool ptime_b_slow(struct exttm *dst, const char *str, off_t &off_inout, ssize_t len)
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{
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size_t zone_len = len - off_inout;
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char zone[zone_len + 1];
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const char *end_of_date;
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memcpy(zone, &str[off_inout], zone_len);
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zone[zone_len] = '\0';
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if ((end_of_date = strptime(zone, "%b", &dst->et_tm)) != NULL) {
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off_inout += end_of_date - zone;
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return true;
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}
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return false;
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}
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#define FMT_CASE(ch, c) \
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case ch: \
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if (!ptime_ ## c(dst, str, off, len)) return false; \
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lpc += 1; \
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break
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bool ptime_fmt(const char *fmt, struct exttm *dst, const char *str, off_t &off, ssize_t len)
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{
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for (ssize_t lpc = 0; fmt[lpc]; lpc++) {
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if (fmt[lpc] == '%') {
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switch (fmt[lpc + 1]) {
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case 'a':
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case 'Z':
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if (fmt[lpc + 2]) {
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if (!ptime_upto(fmt[lpc + 2], str, off, len)) return false;
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lpc += 1;
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}
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else {
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if (!ptime_upto_end(str, off, len)) return false;
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lpc += 1;
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}
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break;
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FMT_CASE('b', b);
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FMT_CASE('S', S);
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FMT_CASE('s', s);
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FMT_CASE('L', L);
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FMT_CASE('M', M);
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FMT_CASE('H', H);
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FMT_CASE('i', i);
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FMT_CASE('6', 6);
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FMT_CASE('I', I);
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FMT_CASE('d', d);
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FMT_CASE('e', e);
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FMT_CASE('f', f);
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FMT_CASE('k', k);
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FMT_CASE('l', l);
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FMT_CASE('m', m);
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FMT_CASE('N', N);
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FMT_CASE('p', p);
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FMT_CASE('Y', Y);
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FMT_CASE('y', y);
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FMT_CASE('z', z);
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FMT_CASE('@', at);
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}
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}
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else {
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if (!ptime_char(fmt[lpc], str, off, len)) return false;
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}
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}
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return true;
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}
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#define FTIME_FMT_CASE(ch, c) \
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case ch: \
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ftime_ ## c(dst, off_inout, len, tm); \
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lpc += 1; \
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break
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size_t ftime_fmt(char *dst, size_t len, const char *fmt, const struct exttm &tm)
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{
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off_t off_inout = 0;
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for (ssize_t lpc = 0; fmt[lpc]; lpc++) {
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if (fmt[lpc] == '%') {
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switch (fmt[lpc + 1]) {
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case '%':
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ftime_char(dst, off_inout, len, '%');
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break;
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FTIME_FMT_CASE('a', a);
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FTIME_FMT_CASE('b', b);
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FTIME_FMT_CASE('S', S);
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FTIME_FMT_CASE('s', s);
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FTIME_FMT_CASE('L', L);
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FTIME_FMT_CASE('M', M);
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FTIME_FMT_CASE('H', H);
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FTIME_FMT_CASE('i', i);
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FTIME_FMT_CASE('6', 6);
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FTIME_FMT_CASE('I', I);
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FTIME_FMT_CASE('d', d);
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FTIME_FMT_CASE('e', e);
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FTIME_FMT_CASE('f', f);
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FTIME_FMT_CASE('k', k);
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FTIME_FMT_CASE('l', l);
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FTIME_FMT_CASE('m', m);
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FTIME_FMT_CASE('N', N);
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FTIME_FMT_CASE('p', p);
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FTIME_FMT_CASE('Y', Y);
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FTIME_FMT_CASE('y', y);
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FTIME_FMT_CASE('z', z);
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}
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}
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else {
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ftime_char(dst, off_inout, len, fmt[lpc]);
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}
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}
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dst[off_inout] = '\0';
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return (size_t) off_inout;
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}
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std::ostream &operator<<(std::ostream &os, const exttm &value)
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{
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os << value.et_tm.tm_year + 1900
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<< '-'
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<< std::setfill('0') << std::setw(2)
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<< value.et_tm.tm_mon + 1
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<< '-'
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<< std::setfill('0') << std::setw(2)
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<< value.et_tm.tm_mday
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<< 'T'
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<< std::setfill('0') << std::setw(2)
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<< value.et_tm.tm_hour
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<< ':'
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<< std::setfill('0') << std::setw(2)
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<< value.et_tm.tm_min
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<< ':'
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<< std::setfill('0') << std::setw(2)
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<< value.et_tm.tm_sec
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<< '.'
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<< std::setfill('0') << std::setw(6)
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<< value.et_nsec / 1000
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<< (value.et_gmtoff < 0 ? '-' : '+')
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<< std::setfill('0') << std::setw(4)
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<< value.et_gmtoff;
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return os;
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}
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