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| version 1.55, 2003/11/20 17:07:43 | version 1.77, 2007/04/23 10:30:09 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b date parser class. | Parser: @b date parser class. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| Line 19 static const char * const IDENT_DATE_C=" | Line 19 static const char * const IDENT_DATE_C=" |
| class MDate: public Methoded { | class MDate: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value* create_new_value(Pool&) { return new VDate(0); } | Value* create_new_value(Pool&, HashStringValue&) { return new VDate(0); } |
| public: | public: |
| MDate(); | MDate(); |
| Line 60 static void _now(Request& r, MethodParam | Line 60 static void _now(Request& r, MethodParam |
| vdate.set_time(t); | vdate.set_time(t); |
| } | } |
| static int NN_year_to_NNNN(int year) { | /// shrinked range: 1970/1/1 to 2038/1/1 |
| if(year<70) // 0..69 -> 100..169 [2000..2069] | static int to_tm_year(int iyear) { |
| year+=100; | if(iyear<1970 || iyear>2038) |
| if(year>=1900) | throw Exception(0, |
| year-=1900; | 0, |
| return year; | "year '%d' is out of valid range", iyear); |
| return iyear-1900; | |
| } | } |
| // 2002-04-25 18:14:00 | // 2002-04-25 18:14:00 |
| // 18:14:00 | // 18:14:00 |
| // 2002:04:25 [+maybe time] | // 2002:04:25 [+maybe time] |
| /*not static, used in image.C*/ time_t cstr_to_time_t(char *cstr, bool fail_on_error) { | /*not static, used in image.C*/ tm cstr_to_time_t(char *cstr) { |
| if( !cstr || !*cstr ) { | if( !cstr || !*cstr ) |
| if(fail_on_error) | throw Exception(0, |
| throw Exception(0, | 0, |
| 0, | "empty string is not valid datetime"); |
| "empty string is not valid datetime"); | |
| return 0; | |
| } | |
| char *cur=cstr; | char *cur=cstr; |
| int date_delim=isdigit(cur[0])&&isdigit(cur[1])&&isdigit(cur[2])&&isdigit(cur[3])&&cur[4]==':'?':' | char date_delim=isdigit((unsigned char)cur[0])&&isdigit((unsigned char)cur[1])&&isdigit((unsigned char)cur[2])&&isdigit((unsigned char)cur[3])&&cur[4]==':'?':' |
| :'-'; | :'-'; |
| const char* year=lsplit(&cur, date_delim); | const char* year=lsplit(&cur, date_delim); |
| const char* month=lsplit(&cur, date_delim); | const char* month=lsplit(&cur, date_delim); |
| Line 89 static int NN_year_to_NNNN(int year) { | Line 88 static int NN_year_to_NNNN(int year) { |
| cur=cstr; | cur=cstr; |
| const char* hour=lsplit(&cur, ':'); | const char* hour=lsplit(&cur, ':'); |
| const char* min=lsplit(&cur, ':'); | const char* min=lsplit(&cur, ':'); |
| const char* sec=cur; | const char* sec=lsplit(&cur, '.'); |
| const char* msec=cur; | |
| tm tmIn; memset(tmIn, 0, sizeof(tmIn)); | tm tmIn; memset(&tmIn, 0, sizeof(tmIn)); |
| tmIn.tm_isdst=-1; | tmIn.tm_isdst=-1; |
| if(!month) | if(!month) |
| if(min) { | if(min) { |
| Line 103 static int NN_year_to_NNNN(int year) { | Line 103 static int NN_year_to_NNNN(int year) { |
| tmIn.tm_mday=tmNow->tm_mday; | tmIn.tm_mday=tmNow->tm_mday; |
| goto date_part_set; | goto date_part_set; |
| } else | } else |
| hour=min=sec=0; // not YYYY- & not HH: = just YYYY | hour=min=sec=msec=0; // not YYYY- & not HH: = just YYYY |
| tmIn.tm_year=NN_year_to_NNNN(atoi(year)); | tmIn.tm_year=to_tm_year(pa_atoi(year)); |
| tmIn.tm_mon=month?atoi(month)-1:0; | tmIn.tm_mon=month?pa_atoi(month)-1:0; |
| tmIn.tm_mday=mday?atoi(mday):1; | tmIn.tm_mday=mday?pa_atoi(mday):1; |
| date_part_set: | date_part_set: |
| tmIn.tm_hour=hour?atoi(hour):0; | tmIn.tm_hour=hour?pa_atoi(hour):0; |
| tmIn.tm_min=min?atoi(min):0; | tmIn.tm_min=min?pa_atoi(min):0; |
| tmIn.tm_sec=sec?atoi(sec):0; | tmIn.tm_sec=sec?pa_atoi(sec):0; |
| time_t result=mktime(&tmIn); | //tmIn.tm_[msec<<no such, waits reimplementation of the class]=f(msec); |
| if(result<0) | return tmIn; |
| if(fail_on_error) | |
| throw Exception(0, | |
| 0, //report_error_origin, | |
| "invalid datetime"); | |
| return result; | |
| } | } |
| static void _create(Request& r, MethodParams& params) { | static void _create(Request& r, MethodParams& params) { |
| VDate& vdate=GET_SELF(r, VDate); | VDate& vdate=GET_SELF(r, VDate); |
| time_t t; | |
| if(params.count()==1) { | if(params.count()==1) { |
| // ^create[2002-04-25 18:14:00] | // ^create[2002-04-25 18:14:00] |
| // ^create[18:14:00] | // ^create[18:14:00] |
| if(const String* sdate=params[0].get_string()) | if(const String* sdate=params[0].get_string()) |
| t=cstr_to_time_t(sdate->cstrm(), true); | vdate.set_time(cstr_to_time_t(sdate->cstrm())); |
| else { // ^create(float days) | else { // ^create(float days) |
| t=(time_t)round(params.as_double(0, "float days must be double", r)*SECS_PER_DAY); | time_t t=(time_t)round(params.as_double(0, "float days must be double", r)*SECS_PER_DAY); |
| if(t<0 || !localtime(&t)) | if(t<0 || !localtime(&t)) |
| throw Exception(0, | throw Exception(0, |
| 0, | 0, |
| "invalid datetime"); | "invalid datetime"); |
| vdate.set_time(t); | |
| } | } |
| } else if(params.count()>=2) { // ^create(y;m;d[;h[;m[;s]]]) | } else { // ^create(y;m;d[;h[;m[;s]]]) |
| tm tmIn; memset(tmIn, 0, sizeof(tmIn)); | assert(params.count()<=6); |
| tm tmIn; memset(&tmIn, 0, sizeof(tmIn)); | |
| tmIn.tm_isdst=-1; | tmIn.tm_isdst=-1; |
| tmIn.tm_year=NN_year_to_NNNN(params.as_int(0, "year must be int", r)); | tmIn.tm_year=to_tm_year(params.as_int(0, "year must be int", r)); |
| tmIn.tm_mon=params.as_int(1, "month must be int", r)-1; | tmIn.tm_mon=params.as_int(1, "month must be int", r)-1; |
| tmIn.tm_mday=params.count()>2?params.as_int(2, "mday must be int", r):1; | tmIn.tm_mday=params.count()>2?params.as_int(2, "mday must be int", r):1; |
| if(params.count()>3) tmIn.tm_hour=params.as_int(3, "hour must be int", r); | int savedHour=0; |
| if(params.count()>3) savedHour=tmIn.tm_hour=params.as_int(3, "hour must be int", r); | |
| if(params.count()>4) tmIn.tm_min=params.as_int(4, "minutes must be int", r); | if(params.count()>4) tmIn.tm_min=params.as_int(4, "minutes must be int", r); |
| if(params.count()>5) tmIn.tm_sec=params.as_int(5, "seconds must be int", r); | if(params.count()>5) tmIn.tm_sec=params.as_int(5, "seconds must be int", r); |
| t=mktime(&tmIn); | vdate.set_time(tmIn); |
| if(t<0) | }; |
| throw Exception(0, | |
| 0, | |
| "invalid datetime"); | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "invalid params count, must be 1 or >=2"); | |
| vdate.set_time(t); | |
| } | } |
| static void _sql_string(Request& r, MethodParams&) { | static void _sql_string(Request& r, MethodParams&) { |
| VDate& vdate=GET_SELF(r, VDate); | VDate& vdate=GET_SELF(r, VDate); |
| int size=1+ 4+1+2+1+2 +1+ 2+1+2+1+2 +1 +1; | int size=1+ 4+1+2+1+2 +1+ 2+1+2+1+2 +1 +1; |
| char *buf=new(PointerFreeGC) char[size]; | char *buf=new(PointerFreeGC) char[size]; |
| time_t time=vdate.get_time(); | size=strftime(buf, size, "%Y-%m-%d %H:%M:%S", &vdate.get_localtime()); |
| size=strftime(buf, size, "%Y-%m-%d %H:%M:%S", localtime(&time)); | |
| r.write_assign_lang(String(buf, size)); | r.write_assign_lang(String(buf, size)); |
| } | } |
| Line 184 static void _roll(Request& r, MethodPara | Line 171 static void _roll(Request& r, MethodPara |
| vdate.set_tz(&argument_tz); | vdate.set_tz(&argument_tz); |
| return; | return; |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &what, | &what, |
| "must be year|month|day|TZ"); | "must be year|month|day|TZ"); |
| Line 232 static void _roll(Request& r, MethodPara | Line 219 static void _roll(Request& r, MethodPara |
| tmOut->tm_isdst=-1; | tmOut->tm_isdst=-1; |
| { | { |
| time_t t_changed_time=mktime/*normalizetime*/(tmOut); | time_t t_changed_time=mktime/*normalizetime*/(tmOut); |
| /*autofix: in msk timezone last sunday of april hour hole: [2am->3am) | /*autofix: in msk timezone last sunday of march hour hole: [2am->3am) |
| if( | if( |
| tmOut->tm_hour!=tmSaved.tm_hour | tmOut->tm_hour!=tmSaved.tm_hour |
| ||tmOut->tm_min!=tmSaved.tm_min) | ||tmOut->tm_min!=tmSaved.tm_min) |
| Line 258 static Table& fill_month_days(Request& r | Line 245 static Table& fill_month_days(Request& r |
| int month=max(1, min(params.as_int(2, "month must be int", r), 12)) -1; | int month=max(1, min(params.as_int(2, "month must be int", r), 12)) -1; |
| tm tmIn; | tm tmIn; |
| memset(tmIn, 0, sizeof(tmIn)); | memset(&tmIn, 0, sizeof(tmIn)); |
| tmIn.tm_mday=1; | tmIn.tm_mday=1; |
| tmIn.tm_mon=month; | tmIn.tm_mon=month; |
| tmIn.tm_yday=year-1900; | tmIn.tm_year=year-1900; |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| Line 291 static Table& fill_month_days(Request& r | Line 278 static Table& fill_month_days(Request& r |
| *row+=cell; | *row+=cell; |
| if(wday==(rus?3:4)/*thursday*/) { | if(wday==(rus?3:4)/*thursday*/) { |
| tm tms={0,0,0, _day, month, year-1900}; | tm tms; |
| memset(&tms, 0, sizeof(tmIn)); | |
| tms.tm_mday=_day; | |
| tms.tm_mon=month; | |
| tms.tm_year=year-1900; | |
| /*normalize*/mktime(&tms); | /*normalize*/mktime(&tms); |
| weekyear=tms.tm_year+1900; | weekyear=tms.tm_year+1900; |
| const int weekno_buf_size=2+1/*for stupid snprintfs*/ +1; | const int weekno_buf_size=2+1/*for stupid snprintfs*/ +1; |
| // http://www.merlyn.demon.co.uk/weekinfo.htm | |
| const int FirstThurs[] = {7,5,4,3,2,7,6,5,4,2,1,7,6,4,3,2,1,6,5,4,3,1,7,6,5,3,2,1}; | |
| int n=1 + (tms.tm_yday-(FirstThurs[weekyear % 28]-3))/7; | |
| weekno_buf=new(PointerFreeGC) char[weekno_buf_size]; | weekno_buf=new(PointerFreeGC) char[weekno_buf_size]; |
| weekno_size=snprintf(weekno_buf, weekno_buf_size, "%02d", n); | VDate::yw week = VDate::CalcWeek(tms); |
| weekno_size=snprintf(weekno_buf, weekno_buf_size, "%02d", week.week); | |
| } | } |
| } | } |
| Line 332 static Table& fill_week_days(Request& r, | Line 321 static Table& fill_week_days(Request& r, |
| int day=params.as_int(3, "day must be int", r); | int day=params.as_int(3, "day must be int", r); |
| tm tmIn; | tm tmIn; |
| memset(tmIn, 0, sizeof(tmIn)); | memset(&tmIn, 0, sizeof(tmIn)); |
| tmIn.tm_hour=18; | tmIn.tm_hour=18; |
| tmIn.tm_mday=day; | tmIn.tm_mday=day; |
| tmIn.tm_mon=month; | tmIn.tm_mon=month; |
| tmIn.tm_yday=year-1900; | tmIn.tm_year=year-1900; |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| Line 376 static void _calendar(Request& r, Method | Line 365 static void _calendar(Request& r, Method |
| else if(what=="eng") | else if(what=="eng") |
| rus=false; | rus=false; |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &what, | &what, |
| "must be rus|eng"); | "must be rus|eng"); |