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/*************************************************************************
*
* HTCd - Copyright (C) 1998-2006 Henrik Rydberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <mt/dates.h>
#include <mt/split.h>
#include <ctype.h>
const mstring SWEEK[MAXLANG][7]={
"Sun","Mon","Tue","Wed","Thu","Fri","Sat",
"Sön","Mån","Tis","Ons","Tor","Fre","Lör"
};
const mstring SMONTH[MAXLANG][12]={
"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec",
"Jan","Feb","Mar","Apr","Maj","Jun","Jul","Aug","Sep","Okt","Nov","Dec"
};
const mstring WEEK[MAXLANG][7]={
"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday",
"Söndag","Måndag","Tisdag","Onsdag","Torsdag","Fredag","Lördag"
};
const mstring MONTH[MAXLANG][12]={
"January","February","March","April","May","June",
"July","August","September","October","November","December",
"Januari","Februari","Mars","April","Maj","Juni",
"Juli","Augusti","September","Oktober","November","December"
};
time_t Today(time_t now)
{
tm s; localtime_r(&now,&s);
s.tm_hour=0;
s.tm_min=0;
s.tm_sec=0;
return mktime(&s);
}
time_t Sunday(time_t now)
{
tm s; localtime_r(&now,&s);
s.tm_mday-=s.tm_wday;
return mktime(&s);
}
const mstring& Week(int lang,time_t t)
{
tm s; return WEEK[lang][localtime_r(&t,&s)->tm_wday];
}
const mstring& Month(int lang,time_t t)
{
tm s; return MONTH[lang][localtime_r(&t,&s)->tm_mon];
}
const mstring& SWeek(int lang,time_t t)
{
tm s; return SWEEK[lang][localtime_r(&t,&s)->tm_wday];
}
const mstring& SMonth(int lang,time_t t)
{
tm s; return SMONTH[lang][localtime_r(&t,&s)->tm_mon];
}
mstring httpTime(time_t t)
{
tm tt; gmtime_r(&t,&tt);
return mstring().convert("%s, %02d %s %4d %02d:%02d:%02d GMT",
SWEEK[0][tt.tm_wday].c_str(),
tt.tm_mday,
SMONTH[0][tt.tm_mon].c_str(),
tt.tm_year+1900,
tt.tm_hour,
tt.tm_min,
tt.tm_sec);
}
mstring htcTime(int lang,time_t t)
{
tm tt; localtime_r(&t,&tt);
mstring s(32); asctime_r(&tt,s.data()); s.resize(24);
if(lang) {
for(int i=0;i<7;i++) if(s(0,3)==SWEEK[0][i]) {
s.replace(0,3,SWEEK[lang][i]);
break;
}
for(int i=0;i<12;i++) if(s(4,3)==SMONTH[0][i]) {
s.replace(4,3,SMONTH[lang][i]);
break;
}
}
return s;
}
static int Month(int& mon,const sref& st)
{
mstring s=st; s.tolower(); s[0]=toupper(s[0]);
for(int lang=0;lang<MAXLANG;lang++) {
for(int m=0;m<12;m++) if(s==SMONTH[lang][m]) { mon=m; return 1; }
}
return 0;
}
static int Week(int& week,const sref& st)
{
mstring s=st; s.tolower(); s[0]=toupper(s[0]);
for(int lang=0;lang<MAXLANG;lang++) {
for(int w=0;w<7;w++) if(s==SWEEK[lang][w]) { week=w; return 1; }
}
return 0;
}
static int Time(int& th,int& tmi,int& ts,const sref& st)
{
static const charset sep_tag(":");
sref hour,min,sec,when=st;
int h,m,s;
if(when.find(':')<0) return 0;
Split(hour,when,sep_tag);
Split(min,when,sep_tag);
Split(sec,when,sep_tag);
h=atoi(hour);
m=atoi(min);
s=atoi(sec);
if(h>=0&&h<=24&&m>=0&&m<60&&s>=0&&s<60) { th=h; tmi=m; ts=s; return 1; }
return 0;
}
static int Day(int& day,const sref& s)
{
if(s.find_not_of(cset_digit)>=0) return 0;
int d=atoi(s);
if(d>0&&d<32) { day=d; return 1; }
return 0;
}
static int Year(int& year,const sref& s)
{
if(s.find_not_of(cset_digit)>=0) return 0;
int y=atoi(s);
if(y>=32&&y<9999) { year=y; return 1; }
return 0;
}
time_t htcTime(int lang,const sref& date)
{
sref week,month,day,when,year,rest=date;
Split(week,rest);
Split(month,rest);
Split(day,rest);
Split(when,rest);
Split(year,rest);
struct tm t;
Time(t.tm_hour,t.tm_min,t.tm_sec,when);
t.tm_mday=atoi(day);
Month(t.tm_mon,month);
t.tm_year=atoi(year)-1900;
Week(t.tm_wday,week);
t.tm_isdst=-1;
return mktime(&t);
}
time_t cvtTime(const sref& code)
{
time_t now=time(0);
tm t; localtime_r(&now,&t);
t.tm_hour=0;t.tm_min=0;t.tm_sec=0;
//Start with 00:00:00 today
sref first,rest=code;
int w=0,m=0,d=0,h=0,y=0;
while(Split(first,rest)) {
if(!w) w=Week(t.tm_wday,first);
if(!m) m=Month(t.tm_mon,first);
if(!h) h=Time(t.tm_hour,t.tm_min,t.tm_sec,first);
if(!d) d=Day(t.tm_mday,first);
if(!y) if(y=Year(t.tm_year,first)) t.tm_year-=1900;
}
t.tm_isdst=-1;
return mktime(&t);
}
//////////////////////////////
int Language(const sref& st)
{
static const charset seps=cset_ws|charset(",;");
mstring s=st; s.tolower();
sref first,rest=s;
while(Split(first,rest,seps)) {
for(int i=0;i<MAXLANG;i++) if(first==LANG[i]) return i;
}
return -1;
}
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