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| version 1.11, 2001/10/19 12:43:29 | version 1.42.2.8, 2003/02/17 12:13:43 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b date parser class. | Parser: @b date parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| static const char* IDENT_DATE_C="$Date$"; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_vdate.h" | #include "pa_vdate.h" |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| // defines | |
| #define DATE_CLASS_NAME "date" | |
| // class | // class |
| class MDate : public Methoded { | class MDate : public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value *create_new_value(Pool& pool) { return new(pool) VDate(pool, 0); } | ValuePtr create_new_value() { return ValuePtr(new VDate(0)); } |
| public: | public: |
| MDate(Pool& pool); | MDate(); |
| public: // Methoded | public: // Methoded |
| bool used_directly() { return true; } | bool used_directly() { return true; } |
| }; | }; |
| // global variable | |
| MethodedPtr date_class(new MDate); | |
| // helpers | |
| class Date_calendar_table_template_columns: public ArrayString { | |
| Pool pool; | |
| public: | |
| Date_calendar_table_template_columns(): ArrayString(6+2) { | |
| for(int i=0; i<=6; i++) { | |
| char *cname=new(pool) char[1/*strlen("6")*/+1/*terminating 0*/]; | |
| StringPtr sname(new String(cname, sprintf(cname, "%d", i))); // .i column name | |
| *this+=sname; | |
| } | |
| *this+=StringPtr(new String("week")); | |
| *this+=StringPtr(new String("year")); | |
| } | |
| }; | |
| TablePtr date_calendar_table_template(new Table( | |
| Exception::undefined_source, | |
| Table::columns_type(new Date_calendar_table_template_columns))); | |
| // methods | // methods |
| static void _now(Request& r, const String& method_name, MethodParams *) { | static void _now(Request& r, StringPtr method_name, MethodParams& params) { |
| Pool& pool=r.pool(); | VDate& vdate=GET_SELF(r, VDate); |
| VDate *vdate=static_cast<VDate *>(r.self); | |
| vdate->set_time(time(0)); | time_t t=time(0); |
| if(params.count()==1) // ^now(offset) | |
| t+=(time_t)round(params.as_double(0, "offset must be double", r)*SECS_PER_DAY); | |
| vdate.set_time(t); | |
| } | |
| static int NN_year_to_NNNN(int year) { | |
| if(year<70) // 0..69 -> 100..169 [2000..2069] | |
| year+=100; | |
| if(year>=1900) | |
| year-=1900; | |
| return year; | |
| } | |
| // 2002-04-25 18:14:00 | |
| // 18:14:00 | |
| // 2002:04:25 [+maybe time] | |
| time_t cstr_to_time_t(char *cstr, StringPtr report_error_origin) { // used in image.C | |
| char *cur=cstr; | |
| int date_delim=isdigit(cur[0])&&isdigit(cur[1])&&isdigit(cur[2])&&isdigit(cur[3])&&cur[4]==':'?':' | |
| :'-'; | |
| const char* year=lsplit(&cur, date_delim); | |
| const char* month=lsplit(&cur, date_delim); | |
| const char* mday=lsplit(&cur, ' '); | |
| if(!month) | |
| cur=cstr; | |
| const char* hour=lsplit(&cur, ':'); | |
| const char* min=lsplit(&cur, ':'); | |
| const char* sec=cur; | |
| tm tmIn={0}; | |
| tmIn.tm_isdst=-1; | |
| if(!month) | |
| if(min) { | |
| year=mday=0; // HH:MM | |
| time_t t=time(0); | |
| tm *tmNow=localtime(&t); | |
| tmIn.tm_year=tmNow->tm_year; | |
| tmIn.tm_mon=tmNow->tm_mon; | |
| tmIn.tm_mday=tmNow->tm_mday; | |
| goto date_part_set; | |
| } else | |
| hour=min=sec=0; // not YYYY- & not HH: = just YYYY | |
| tmIn.tm_year=NN_year_to_NNNN(atoi(year)); | |
| tmIn.tm_mon=month?atoi(month)-1:0; | |
| tmIn.tm_mday=mday?atoi(mday):1; | |
| date_part_set: | |
| tmIn.tm_hour=hour?atoi(hour):0; | |
| tmIn.tm_min=min?atoi(min):0; | |
| tmIn.tm_sec=sec?atoi(sec):0; | |
| time_t result=mktime(&tmIn); | |
| if(result<0) | |
| if(report_error_origin) | |
| throw Exception(0, | |
| report_error_origin, | |
| "invalid datetime"); | |
| return result; | |
| } | } |
| static void _set(Request& r, const String& method_name, MethodParams *params) { | static void _create(Request& r, StringPtr method_name, MethodParams& params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VDate *vdate=static_cast<VDate *>(r.self); | VDate& vdate=GET_SELF(r, VDate); |
| time_t time; | time_t t; |
| if(params->size()==1) // ^set(float days) | if(params.count()==1) { |
| time=(time_t)(params->as_double(0, "float days must be double", r)*SECS_PER_DAY); | // ^create[2002-04-25 18:14:00] |
| else if(params->size()>=3) { // ^set(y;m;d[;h[;m[;s]]]) | // ^create[18:14:00] |
| if(StringPtr sdate=params.get(0)->get_string(&pool)) | |
| t=cstr_to_time_t(sdate->cstr(), sdate); | |
| 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)) | |
| throw Exception(0, | |
| method_name, | |
| "invalid datetime"); | |
| } | |
| } else if(params.count()>=2) { // ^create(y;m;d[;h[;m[;s]]]) | |
| tm tmIn={0}; | tm tmIn={0}; |
| tmIn.tm_isdst=-1; | tmIn.tm_isdst=-1; |
| int year=params->as_int(0, "year must be int", r); | tmIn.tm_year=NN_year_to_NNNN(params.as_int(0, "year must be int", r)); |
| if(year<70) // 0..69 -> 100..169 [2000..2069] | tmIn.tm_mon=params.as_int(1, "month must be int", r)-1; |
| year+=100; | tmIn.tm_mday=params.count()>2?params.as_int(2, "mday must be int", r):1; |
| if(year>=1900) | if(params.count()>3) tmIn.tm_hour=params.as_int(3, "hour must be int", r); |
| year-=1900; | if(params.count()>4) tmIn.tm_min=params.as_int(4, "minutes must be int", r); |
| tmIn.tm_year=year; | if(params.count()>5) tmIn.tm_sec=params.as_int(5, "seconds must be int", r); |
| tmIn.tm_mon=params->as_int(1, "month must be int", r)-1; | t=mktime(&tmIn); |
| tmIn.tm_mday=params->as_int(2, "mday must be int", r); | if(t<0) |
| if(params->size()>3) tmIn.tm_hour=params->as_int(3, "hour must be int", r); | throw Exception(0, |
| if(params->size()>4) tmIn.tm_min=params->as_int(4, "minutes must be int", r); | method_name, |
| if(params->size()>5) tmIn.tm_sec=params->as_int(5, "seconds must be int", r); | |
| time=mktime(&tmIn); | |
| if(time<0) | |
| throw Exception(0, 0, | |
| &method_name, | |
| "invalid datetime"); | "invalid datetime"); |
| } else | } else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &method_name, | method_name, |
| "invalid params count, must be 1 or >=3"); | "invalid params count, must be 1 or >=2"); |
| vdate->set_time(time); | vdate.set_time(t); |
| } | } |
| static void _sql_string(Request& r, const String& method_name, MethodParams *) { | static void _sql_string(Request& r, StringPtr method_name, MethodParams& ) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VDate *vdate=static_cast<VDate *>(r.self); | 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=(char *)pool.malloc(size); | char *buf=new(pool) char[size]; |
| time_t time=vdate->get_time(); | time_t time=vdate.get_time(); |
| size=strftime(buf, size, "%Y-%m-%d %H:%M:%S", gmtime(&time)); | size=strftime(buf, size, "%Y-%m-%d %H:%M:%S", localtime(&time)); |
| String& string=*new(pool) String(pool); | String string; |
| string.APPEND_CLEAN(buf, size, | string.APPEND_CLEAN(buf, size, |
| method_name.origin().file, | method_name->origin().file, |
| method_name.origin().line); | method_name->origin().line); |
| Value& result=*new(pool) VString(string); | r.write_assign_lang(string); |
| r.write_assign_lang(result); | |
| } | } |
| static void _roll(Request& r, const String& method_name, MethodParams *params) { | static void _roll(Request& r, StringPtr method_name, MethodParams& params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VDate *vdate=static_cast<VDate *>(r.self); | VDate& vdate=GET_SELF(r, VDate); |
| const String& what=params->as_string(0, "'what' must be string"); | StringPtr what=params.as_string(0, "'what' must be string"); |
| int oyear=0; | int oyear=0; |
| int omonth=0; | int omonth=0; |
| int oday=0; | int oday=0; |
| int *offset; | int *offset; |
| if(what=="year") offset=&oyear; | if(*what=="year") offset=&oyear; |
| else if(what=="month") offset=&omonth; | else if(*what=="month") offset=&omonth; |
| else if(what=="day") offset=&oday; | else if(*what=="day") offset=&oday; |
| else | else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &what, | what, |
| "must be year|month|day"); | "must be year|month|day"); |
| *offset=params->as_int(1, "offset must be int", r); | *offset=params.as_int(1, "offset must be int", r); |
| if(!(*offset==1 || *offset==-1)) | |
| throw Exception(0, 0, | time_t self_time=vdate.get_time(); |
| &method_name, | tm tmIn=*localtime(&self_time); |
| "offset must be +/- 1"); | tm tmSaved=tmIn; |
| time_t tIn=vdate->get_time(); | tmIn.tm_year+=oyear; |
| tm *tmIn=localtime(&tIn); | tmIn.tm_mon+=omonth; |
| tmIn->tm_year+=oyear; | tmIn.tm_mday+=oday; |
| time_t t=mktime(tmIn); | tmIn.tm_hour=24/2; |
| tmIn.tm_min=0; | |
| tmIn.tm_sec=0; | |
| time_t t=mktime/*normalizetime*/(&tmIn); | |
| if(t<0) | if(t<0) |
| throw Exception(0, 0, | throw Exception(0, |
| &method_name, | method_name, |
| "invalid datetime"); | "bad resulting time (after roll)"); |
| t+=omonth*getMonthDays(tmIn->tm_year, (tmIn->tm_mon+(omonth<0?-1:0)+12)%12)*SECS_PER_DAY; | if(oday==0 && tmIn.tm_mday!=tmSaved.tm_mday) |
| t+=oday*SECS_PER_DAY; | throw Exception(0, |
| vdate->set_time(t); | method_name, |
| "bad resulting time (day hole)", t); | |
| tm *tmOut=localtime(&t); | |
| if(!tmOut) | |
| throw Exception(0, | |
| method_name, | |
| "bad resulting time (seconds from epoch=%ld)", t); | |
| tmOut->tm_hour=tmSaved.tm_hour; | |
| tmOut->tm_min=tmSaved.tm_min; | |
| tmOut->tm_sec=tmSaved.tm_sec; | |
| tmOut->tm_isdst=-1; | |
| { | |
| time_t t=mktime/*normalizetime*/(tmOut); | |
| if( | |
| tmOut->tm_hour!=tmSaved.tm_hour | |
| ||tmOut->tm_min!=tmSaved.tm_min) | |
| throw Exception(0, | |
| method_name, | |
| "bad resulting time (hour hole)"); | |
| if(t<0) | |
| throw Exception(0, | |
| method_name, | |
| "bad resulting time (after reconstruction)"); | |
| vdate.set_time(t); | |
| } | |
| } | } |
| static Table *fill_month_days(Request& r, | static TablePtr fill_month_days(Request& r, |
| const String& method_name, MethodParams *params, bool rus){ | StringPtr method_name, MethodParams& params, bool rus){ |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Table *result=new(pool) Table(pool, &method_name, 0/*&columns*/); | TablePtr result(new Table(*date_calendar_table_template)); |
| int year=params->as_int(1, "year must be int", r); | int 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=max(1, min(params.as_int(2, "month must be int", r), 12)) -1; |
| tm tmIn={0, 0, 0, 1, month, year-1900}; | tm tmIn={0, 0, 0, 1, month, year-1900}; |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| throw Exception(0, 0, | throw Exception(0, |
| &method_name, | method_name, |
| "invalid date"); | "invalid date"); |
| tm *tmOut=localtime(&t); | tm *tmOut=localtime(&t); |
| Line 145 static Table *fill_month_days(Request& r | Line 261 static Table *fill_month_days(Request& r |
| int monthDays=getMonthDays(year, month); | int monthDays=getMonthDays(year, month); |
| for(int _day=1-weekDay1; _day<=monthDays;) { | for(int _day=1-weekDay1; _day<=monthDays;) { |
| Array& row=*new(pool) Array(pool, 7); | Table::element_type row(new ArrayString(7)); |
| // calculating year week no [1..54] | |
| char *weekno_buf; | |
| size_t weekno_size; | |
| int weekyear; | |
| // 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(pool) String(pool); | StringPtr cell(new String); |
| if(_day>=1 && _day<=monthDays) { | if(_day>=1 && _day<=monthDays) { |
| char *buf=(char *)pool.malloc(2+1); | char *buf=new(pool) char[2+1]; |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%02d", _day), | cell->APPEND_CLEAN(buf, sprintf(buf, "%02d", _day), |
| method_name.origin().file, method_name.origin().line); | method_name->origin().file, method_name->origin().line); |
| } | } |
| row+=cell; | *row+=cell; |
| if(wday==(rus?3:4)/*thursday*/) { | |
| tm tms={0,0,0, _day, month, year-1900}; | |
| /*normalize*/mktime(&tms); | |
| weekyear=tms.tm_year+1900; | |
| 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(pool) char[weekno_buf_size]; | |
| weekno_size=snprintf(weekno_buf, weekno_buf_size, "%02d", n); | |
| } | |
| } | } |
| *result+=&row; | // appending year week no |
| { | |
| StringPtr cell(new String); | |
| cell->APPEND_CLEAN(weekno_buf, weekno_size, | |
| method_name->origin().file, method_name->origin().line); | |
| *row+=cell; | |
| } | |
| // appending year week year | |
| { | |
| StringPtr cell(new String); | |
| char *buf=new(pool) char[4+1]; | |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%02d", weekyear), | |
| method_name->origin().file, method_name->origin().line); | |
| *row+=cell; | |
| } | |
| *result+=row; | |
| } | } |
| return result; | return result; |
| } | } |
| static Table *fill_week_days(Request& r, | static TablePtr fill_week_days(Request& r, |
| const String& method_name, MethodParams *params, bool rus){ | StringPtr method_name, MethodParams& params, bool rus){ |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Array& columns=*new(pool) Array(pool, 4); | Table::columns_type columns(new Table::columns_type::element_type(4)); |
| Table *result=new(pool) Table(pool, &method_name, &columns); | *columns+=StringPtr(new String("year")); |
| *columns+=StringPtr(new String("month")); | |
| int year=params->as_int(1, "year must be int", r); | *columns+=StringPtr(new String("day")); |
| int month=max(1, min(params->as_int(2, "month must be int", r), 12)) -1; | *columns+=StringPtr(new String("weekday")); |
| int day=params->as_int(3, "day must be int", r); | TablePtr result(new Table(method_name, columns)); |
| int 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 day=params.as_int(3, "day must be int", r); | |
| tm tmIn={0, 0, 18, day, month, year-1900}; | tm tmIn={0, 0, 18, day, month, year-1900}; |
| time_t t=mktime(&tmIn); | time_t t=mktime(&tmIn); |
| if(t<0) | if(t<0) |
| throw Exception(0, 0, | throw Exception(0, |
| &method_name, | method_name, |
| "invalid date"); | "invalid date"); |
| tm *tmOut=localtime(&t); | tm *tmOut=localtime(&t); |
| Line 187 static Table *fill_week_days(Request& r, | Line 343 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); |
| Array& row=*new(pool) Array(pool, 4); | Table::element_type row(new ArrayString(4)); |
| #define WDFILL(size, value) { \ | #define WDFILL(size, value) { \ |
| char *buf=(char *)pool.malloc(size+1); \ | char *buf=new(pool) char[size+1]; \ |
| String *cell=new(pool) String(pool); \ | StringPtr cell(new String); \ |
| cell->APPEND_CLEAN(buf, sprintf(buf, "%0"#size"d", value), \ | cell->APPEND_CLEAN(buf, sprintf(buf, "%0"#size"d", value), \ |
| method_name.origin().file, \ | method_name->origin().file, \ |
| method_name.origin().line); \ | method_name->origin().line); \ |
| row+=cell; \ | *row+=cell; \ |
| } | } |
| WDFILL(4, 1900+tmOut->tm_year); | WDFILL(4, 1900+tmOut->tm_year); |
| WDFILL(2, 1+tmOut->tm_mon); | WDFILL(2, 1+tmOut->tm_mon); |
| WDFILL(2, tmOut->tm_mday); | WDFILL(2, tmOut->tm_mday); |
| WDFILL(2, tmOut->tm_wday); | WDFILL(2, tmOut->tm_wday); |
| *result+=&row; | *result+=row; |
| } | } |
| return result; | return result; |
| } | } |
| static void _calendar(Request& r, const String& method_name, MethodParams *params) { | static void _calendar(Request& r, StringPtr method_name, MethodParams& params) { |
| Pool& pool=r.pool(); | StringPtr what=params.as_string(0, "format must be strig"); |
| const String& what=params->as_string(0, "format must be strig"); | |
| bool rus=false; | bool rus=false; |
| if(what=="rus") | if(*what=="rus") |
| rus=true; | rus=true; |
| else if(what=="eng") | else if(*what=="eng") |
| rus=false; | rus=false; |
| else | else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &what, | what, |
| "must be rus|eng"); | "must be rus|eng"); |
| Table *table; | TablePtr table; |
| if(params->size()==1+2) | if(params.count()==1+2) |
| table=fill_month_days(r, method_name, params, rus); | table=fill_month_days(r, method_name, params, rus); |
| else // 1+3 | else // 1+3 |
| table=fill_week_days(r, method_name, params, rus); | table=fill_week_days(r, method_name, params, rus); |
| VTable& result=*new(pool) VTable(pool, table); | r.write_no_lang(ValuePtr(new VTable(table))); |
| result.set_name(method_name); | |
| r.write_no_lang(result); | |
| } | } |
| // constructor | // constructor |
| MDate::MDate(Pool& apool) : Methoded(apool) { | MDate::MDate(): Methoded("date") { |
| set_name(*NEW String(pool(), DATE_CLASS_NAME)); | |
| // ^now[] | // ^now[] |
| add_native_method("now", Method::CT_DYNAMIC, _now, 0, 0); | add_native_method("now", Method::CT_DYNAMIC, _now, 0, 1); |
| // ^set(float days) | // ^create(float days) |
| add_native_method("set", Method::CT_DYNAMIC, _set, 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 | |
| add_native_method("set", Method::CT_DYNAMIC, _create, 1, 6); | |
| // ^sql-string[] | // ^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); |
| Line 254 MDate::MDate(Pool& apool) : Methoded(apo | Line 405 MDate::MDate(Pool& apool) : Methoded(apo |
| add_native_method("calendar", Method::CT_STATIC, _calendar, 3, 4); | add_native_method("calendar", Method::CT_STATIC, _calendar, 3, 4); |
| } | } |
| // global variable | |
| Methoded *date_class; | |
| // creator | |
| Methoded *MDate_create(Pool& pool) { | |
| return date_class=new(pool) MDate(pool); | |
| } |