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| version 1.63, 2004/02/19 15:16:53 | version 1.89, 2010/10/21 15:06:27 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b date parser class. | Parser: @b date parser class. |
| Copyright (c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2009 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 23 public: // VStateless_class | Line 23 public: // VStateless_class |
| public: | public: |
| MDate(); | MDate(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // global variable | // global variable |
| Line 36 DECLARE_CLASS_VAR(date, new MDate, 0); | Line 34 DECLARE_CLASS_VAR(date, new MDate, 0); |
| class Date_calendar_table_template_columns: public ArrayString { | class Date_calendar_table_template_columns: public ArrayString { |
| public: | public: |
| Date_calendar_table_template_columns(): ArrayString(6+2) { | Date_calendar_table_template_columns(): ArrayString(6+2) { |
| for(int i=0; i<=6; i++) { | for(int i=0; i<=6; i++) |
| char *cname=new(PointerFreeGC) char[1/*strlen("6")*/+1/*terminating 0*/]; | *this+=new String(i, "%d"); // .i column name |
| *this+=new String(cname, sprintf(cname, "%d", i)); // .i column name | |
| } | |
| *this+=new String("week"); | *this+=new String("week"); |
| *this+=new String("year"); | *this+=new String("year"); |
| } | } |
| Line 61 static void _now(Request& r, MethodParam | Line 58 static void _now(Request& r, MethodParam |
| } | } |
| /// shrinked range: 1970/1/1 to 2038/1/1 | /// shrinked range: 1970/1/1 to 2038/1/1 |
| static int to_tm_year(int iyear) { | static int to_year(int iyear) { |
| if(iyear<1970 || iyear>2038) | if(iyear<1970 || iyear>2038) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "year '%d' is out of valid range", iyear); | "year '%d' is out of valid range", iyear); |
| return iyear-1900; | return iyear; |
| } | } |
| static int to_month(int imonth) { | |
| return max(1, min(imonth, 12)) -1; | |
| } | |
| static int to_tm_year(int iyear) { | |
| return to_year(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(DATE_RANGE_EXCEPTION_TYPE, |
| 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 90 static int to_tm_year(int iyear) { | Line 94 static int to_tm_year(int iyear) { |
| 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; |
| Line 104 static int to_tm_year(int iyear) { | Line 109 static int to_tm_year(int iyear) { |
| 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=to_tm_year(pa_atoi(year)); | tmIn.tm_year=to_tm_year(pa_atoi(year)); |
| tmIn.tm_mon=month?pa_atoi(month)-1:0; | tmIn.tm_mon=month?pa_atoi(month)-1:0; |
| tmIn.tm_mday=mday?pa_atoi(mday):1; | tmIn.tm_mday=mday?pa_atoi(mday):1; |
| date_part_set: | date_part_set: |
| tmIn.tm_hour=hour?pa_atoi(hour):0; | tmIn.tm_hour=hour?pa_atoi(hour):0; |
| tmIn.tm_min=min?pa_atoi(min):0; | tmIn.tm_min=min?pa_atoi(min):0; |
| tmIn.tm_sec=sec?pa_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) { | if(const String* sdate=params[0].get_string()){ // ^create[2002-04-25 18:14:00] ^create[18:14:00] |
| // ^create[2002-04-25 18:14:00] | vdate.set_time(cstr_to_time_t(sdate->cstrm())); |
| // ^create[18:14:00] | } else { // ^create(float days) or ^create[date object] |
| if(const String* sdate=params[0].get_string()) | time_t t=(time_t)round(params.as_double(0, "float days must be double", r)*SECS_PER_DAY); |
| t=cstr_to_time_t(sdate->cstrm(), true); | |
| else { // ^create(float days) | |
| 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(DATE_RANGE_EXCEPTION_TYPE, |
| 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]]]) |
| assert(params.count()<=6); | |
| tm tmIn; memset(&tmIn, 0, sizeof(tmIn)); | tm tmIn; memset(&tmIn, 0, sizeof(tmIn)); |
| tmIn.tm_isdst=-1; | tmIn.tm_isdst=-1; |
| tmIn.tm_year=to_tm_year(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; | |
| char *buf=new(PointerFreeGC) char[size]; | r.write_assign_lang(*vdate.get_sql_string()); |
| time_t time=vdate.get_time(); | } |
| size=strftime(buf, size, "%Y-%m-%d %H:%M:%S", localtime(&time)); | |
| static void _gmt_string(Request& r, MethodParams&) { | |
| r.write_assign_lang(String(buf, size)); | VDate& vdate=GET_SELF(r, VDate); |
| r.write_assign_lang(*vdate.get_gmt_string()); | |
| } | } |
| static void _roll(Request& r, MethodParams& params) { | static void _roll(Request& r, MethodParams& params) { |
| Line 185 static void _roll(Request& r, MethodPara | Line 178 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 206 static void _roll(Request& r, MethodPara | Line 199 static void _roll(Request& r, MethodPara |
| int saved_mon=(tmIn.tm_mon+12*100)%12; // crossing year boundary backwards | int saved_mon=(tmIn.tm_mon+12*100)%12; // crossing year boundary backwards |
| t_changed_date=mktime/*normalizetime*/(&tmIn); | t_changed_date=mktime/*normalizetime*/(&tmIn); |
| if(t_changed_date<0) | if(t_changed_date<0) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "bad resulting time (rolled out of valid date range)"); | "bad resulting time (rolled out of valid date range)"); |
| if(oday==0 && tmIn.tm_mon!=saved_mon/*but it changed*/) { | if(oday==0 && tmIn.tm_mon!=saved_mon/*but it changed*/) { |
| if(adjust_day <= -3/*31->28 max, so never, but...*/) | if(adjust_day <= -3/*31->28 max, so never, but...*/) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "bad resulting time (day hole still with %d day adjustment)", adjust_day ); | "bad resulting time (day hole still with %d day adjustment)", adjust_day ); |
| Line 223 static void _roll(Request& r, MethodPara | Line 216 static void _roll(Request& r, MethodPara |
| tm *tmOut=localtime(&t_changed_date); | tm *tmOut=localtime(&t_changed_date); |
| if(!tmOut) | if(!tmOut) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "bad resulting time (seconds from epoch=%d)", t_changed_date); | "bad resulting time (seconds from epoch=%d)", t_changed_date); |
| Line 243 static void _roll(Request& r, MethodPara | Line 236 static void _roll(Request& r, MethodPara |
| */ | */ |
| if(t_changed_time<0) | if(t_changed_time<0) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "bad resulting time (after reconstruction)"); | "bad resulting time (after reconstruction)"); |
| Line 255 static Table& fill_month_days(Request& r | Line 248 static Table& fill_month_days(Request& r |
| Table::Action_options table_options; | Table::Action_options table_options; |
| Table& result=*new Table(date_calendar_table_template, table_options); | Table& result=*new Table(date_calendar_table_template, table_options); |
| int year=params.as_int(1, "year must be int", r); | int year=to_year(params.as_int(1, "year must be int", r)); |
| int month=max(1, min(params.as_int(2, "month must be int", r), 12)) -1; | int month=to_month(params.as_int(2, "month must be int", r)); |
| tm tmIn; | tm tmIn; |
| memset(&tmIn, 0, sizeof(tmIn)); | memset(&tmIn, 0, sizeof(tmIn)); |
| Line 266 static Table& fill_month_days(Request& r | Line 259 static Table& fill_month_days(Request& r |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "invalid date"); | "invalid date"); |
| tm *tmOut=localtime(&t); | tm *tmOut=localtime(&t); |
| Line 279 static Table& fill_month_days(Request& r | Line 272 static Table& fill_month_days(Request& r |
| for(int _day=1-weekDay1; _day<=monthDays;) { | for(int _day=1-weekDay1; _day<=monthDays;) { |
| Table::element_type row(new ArrayString(7)); | Table::element_type row(new ArrayString(7)); |
| // calculating year week no [1..54] | // calculating year week no [1..54] |
| char *weekno_buf=0; // surely would be assigned to, but to calm down compiler | int weekyear=0; // surely would be assigned to, but to calm down compiler |
| size_t weekno_size=0; // same | int weekno=0; // same |
| int weekyear=0; // same | |
| // 0..6 week days-cells fill with month days | // 0..6 week days-cells fill with month days |
| for(int wday=0; wday<7; wday++, _day++) { | for(int wday=0; wday<7; wday++, _day++) { |
| String* cell=new String; | *row+=(_day>=1 && _day<=monthDays)?new String(_day, "%02d"):new String(); |
| if(_day>=1 && _day<=monthDays) { | |
| char *buf=new(PointerFreeGC) char[2+1]; | |
| cell->append_know_length(buf, sprintf(buf, "%02d", _day), String::L_CLEAN); | |
| } | |
| *row+=cell; | |
| if(wday==(rus?3:4)/*thursday*/) { | if(wday==(rus?3:4)/*thursday*/) { |
| tm tms; | tm tms; |
| Line 299 static Table& fill_month_days(Request& r | Line 286 static Table& fill_month_days(Request& r |
| tms.tm_year=year-1900; | tms.tm_year=year-1900; |
| /*normalize*/mktime(&tms); | /*normalize*/mktime(&tms); |
| weekyear=tms.tm_year+1900; | weekyear=tms.tm_year+1900; |
| weekno=VDate::CalcWeek(tms).week; | |
| 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_size=snprintf(weekno_buf, weekno_buf_size, "%02d", n); | |
| } | } |
| } | |
| // appending year week no | |
| *row+=new String(weekno_buf, weekno_size); | |
| // appending year week year | |
| { | |
| char* buf=new(PointerFreeGC) char[4+1]; | |
| *row+=new String(buf, sprintf(buf, "%02d", weekyear)); | |
| } | } |
| // appending week no | |
| *row+=new String(weekno, "%02d"); | |
| // appending week year | |
| *row+=new String(weekyear, "%04d"); | |
| result+=row; | result+=row; |
| } | } |
| Line 333 static Table& fill_week_days(Request& r, | Line 310 static Table& fill_week_days(Request& r, |
| *columns+=new String("weekday"); | *columns+=new String("weekday"); |
| Table& result=*new Table(columns); | Table& result=*new Table(columns); |
| int year=params.as_int(1, "year must be int", r); | int year=to_year(params.as_int(1, "year must be int", r)); |
| int month=max(1, min(params.as_int(2, "month must be int", r), 12)) -1; | int month=to_month(params.as_int(2, "month must be int", 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; |
| Line 346 static Table& fill_week_days(Request& r, | Line 323 static Table& fill_week_days(Request& r, |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| throw Exception(0, | throw Exception(DATE_RANGE_EXCEPTION_TYPE, |
| 0, | 0, |
| "invalid date"); | "invalid date"); |
| tm *tmOut=localtime(&t); | tm *tmOut=localtime(&t); |
| int baseWeekDay=tmOut->tm_wday; | int baseWeekDay=tmOut->tm_wday; |
| if(rus) | if(rus) |
| baseWeekDay=baseWeekDay?baseWeekDay-1:6; //sunday last | baseWeekDay=baseWeekDay?baseWeekDay-1:6; //sunday last |
| Line 360 static Table& fill_week_days(Request& r, | Line 337 static Table& fill_week_days(Request& r, |
| for(int curWeekDay=0; curWeekDay<7; curWeekDay++, t+=SECS_PER_DAY) { | for(int curWeekDay=0; curWeekDay<7; curWeekDay++, t+=SECS_PER_DAY) { |
| tm *tmOut=localtime(&t); | tm *tmOut=localtime(&t); |
| Table::element_type row(new ArrayString(4)); | Table::element_type row(new ArrayString(4)); |
| #define WDFILL(size, value) { \ | |
| char *buf=new(PointerFreeGC) char[size+1]; \ | *row+=new String(1900+tmOut->tm_year, "%04d"); |
| *row+=new String(buf, sprintf(buf, "%0"#size"d", value)); \ | *row+=new String(1+tmOut->tm_mon, "%02d"); |
| } | *row+=new String(tmOut->tm_mday, "%02d"); |
| WDFILL(4, 1900+tmOut->tm_year); | *row+=new String(tmOut->tm_wday, "%02d"); |
| WDFILL(2, 1+tmOut->tm_mon); | |
| WDFILL(2, tmOut->tm_mday); | |
| WDFILL(2, tmOut->tm_wday); | |
| result+=row; | result+=row; |
| } | } |
| Line 382 static void _calendar(Request& r, Method | Line 357 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"); |
| Line 403 static void _unix_timestamp(Request& r, | Line 378 static void _unix_timestamp(Request& r, |
| r.write_no_lang(*new VInt((int)vdate.get_time())); | r.write_no_lang(*new VInt((int)vdate.get_time())); |
| } else { | } else { |
| if(vdate.get_time()) | if(vdate.get_time()) |
| throw Exception(0, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "date object already constructed"); | "date object already constructed"); |
| Line 414 static void _unix_timestamp(Request& r, | Line 389 static void _unix_timestamp(Request& r, |
| } | } |
| } | } |
| static void _last_day(Request& r, MethodParams& params) { | |
| int year; | |
| int month; | |
| if(&r.get_self() == date_class) { | |
| if(params.count() != 2) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "year and month must be defined"); | |
| // ^date:lastday(year;month) | |
| year=to_year(params.as_int(0, "year must be int", r)); | |
| month=to_month(params.as_int(1, "month must be int", r)); | |
| } else { | |
| // ^date.lastday[] | |
| tm &tmIn=GET_SELF(r, VDate).get_localtime(); | |
| year=tmIn.tm_year+1900; | |
| month=tmIn.tm_mon; | |
| } | |
| r.write_no_lang(*new VInt(getMonthDays(year, month))); | |
| } | |
| // constructor | // constructor |
| MDate::MDate(): Methoded("date") { | MDate::MDate(): Methoded("date") { |
| // ^now[] | // ^date::now[] |
| add_native_method("now", Method::CT_DYNAMIC, _now, 0, 1); | add_native_method("now", Method::CT_DYNAMIC, _now, 0, 1); |
| // ^create(float days) | // ^date::create(float days) |
| add_native_method("create", Method::CT_DYNAMIC, _create, 1, 6); | add_native_method("create", Method::CT_DYNAMIC, _create, 1, 6); |
| // old name for compatibility with <= v1.17 2002/2/18 12:13:42 paf | // old name for compatibility with <= v1.17 2002/2/18 12:13:42 paf |
| add_native_method("set", Method::CT_DYNAMIC, _create, 1, 6); | add_native_method("set", Method::CT_DYNAMIC, _create, 1, 6); |
| // ^sql-string[] | // ^date.sql-string[] |
| add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0); | add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0); |
| // ^roll(year|month|day;+/- 1) | // ^date.gmt-string[] |
| add_native_method("gmt-string", Method::CT_DYNAMIC, _gmt_string, 0, 0); | |
| // ^date:lastday(year;month) | |
| // ^date.lastday[] | |
| add_native_method("last-day", Method::CT_ANY, _last_day, 0, 2); | |
| // ^date.roll(year|month|day;+/- 1) | |
| add_native_method("roll", Method::CT_DYNAMIC, _roll, 2, 2); | add_native_method("roll", Method::CT_DYNAMIC, _roll, 2, 2); |
| // ^date:calendar[month|montheng;year;month] = table | // ^date:calendar[month|montheng;year;month] = table |
| Line 437 MDate::MDate(): Methoded("date") { | Line 440 MDate::MDate(): Methoded("date") { |
| add_native_method("calendar", Method::CT_STATIC, _calendar, 3, 4); | add_native_method("calendar", Method::CT_STATIC, _calendar, 3, 4); |
| // ^unix-timestamp[] | // ^date.unix-timestamp[] |
| // ^date::unix-timestamp[] | |
| add_native_method("unix-timestamp", Method::CT_DYNAMIC, _unix_timestamp, 0, 1); | add_native_method("unix-timestamp", Method::CT_DYNAMIC, _unix_timestamp, 0, 1); |
| } | } |