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Annotation of parser3/src/types/pa_vdate.h, revision 1.24.2.3

1.1       parser      1: /** @file
                      2:        Parser: @b date parser class decl.
                      3: 
1.24.2.3! paf         4:        Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
1.8       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1       parser      6: */
                      7: 
                      8: #ifndef PA_VDATE_H
                      9: #define PA_VDATE_H
1.11      paf        10: 
1.24.2.3! paf        11: static const char* IDENT_VDATE_H="$Date: 2003/01/31 12:10:49 $";
1.1       parser     12: 
                     13: #include "classes.h"
                     14: #include "pa_common.h"
                     15: #include "pa_vstateless_object.h"
                     16: #include "pa_vint.h"
                     17: 
1.9       paf        18: // defines
                     19: 
                     20: #define VDATE_TYPE "date"
1.20      paf        21: 
1.9       paf        22: // externs
                     23: 
1.24.2.1  paf        24: extern MethodedPtr date_class;
1.1       parser     25: 
                     26: /// value of type 'date'. implemented with @c time_t
                     27: class VDate : public VStateless_object {
                     28: public: // Value
                     29: 
1.24.2.3! paf        30:        override const char* type() const { return VDATE_TYPE; }
1.24.2.1  paf        31:        override VStateless_class *get_class() { return date_class.get(); }
1.10      paf        32:        
1.1       parser     33:        /// VDate: ftime -> float days
1.24.2.1  paf        34:        override ValuePtr as_expr_result(bool return_string_as_is=false) {
                     35:                return ValuePtr(new VDouble(as_double()));
1.1       parser     36:        }
                     37: 
                     38:        /// VDate: ftime -> float days
1.24.2.1  paf        39:        override double as_double() const { return ((double)ftime)/ SECS_PER_DAY; }
1.1       parser     40:        /// VDate: 0 or !0
1.24.2.1  paf        41:        override bool as_bool() const { return ftime!=0; }
1.1       parser     42: 
                     43: 
1.15      paf        44:        /// VDate: method,field
1.24.2.2  paf        45:        override ValuePtr get_element(StringPtr aname, Value& aself, bool looking_up) {
1.15      paf        46:                // $method
1.24.2.1  paf        47:                if(ValuePtr result=VStateless_object::get_element(aname, aself, looking_up))
1.1       parser     48:                        return result;
                     49: 
                     50:                // $year month day  hour minute second  weekday
                     51:                tm *tmOut=localtime(&ftime);
                     52:                int result;
1.24.2.1  paf        53:                if(*aname=="year") result=1900+tmOut->tm_year;
                     54:                else if(*aname=="month") result=1+tmOut->tm_mon;
                     55:                else if(*aname=="day") result=tmOut->tm_mday;
                     56:                else if(*aname=="hour") result=tmOut->tm_hour;
                     57:                else if(*aname=="minute") result=tmOut->tm_min;
                     58:                else if(*aname=="second") result=tmOut->tm_sec;
                     59:                else if(*aname=="weekday") result=tmOut->tm_wday;
                     60:                else if(*aname=="yearday") result=tmOut->tm_yday;
                     61:                else if(*aname=="daylightsaving") result=tmOut->tm_isdst;
                     62:                else { bark("%s field not found", 0, aname); return 0; }
                     63:                return ValuePtr(new VInt(result));
1.1       parser     64:        }
                     65: 
                     66: public: // usage
                     67: 
1.24.2.1  paf        68:        VDate(time_t atime): ftime(atime) {}
1.1       parser     69: 
1.19      paf        70:        time_t get_time() const { return ftime; }
1.1       parser     71:        void set_time(time_t atime) { ftime=atime; }
                     72: 
                     73: private:
                     74: 
                     75:        time_t ftime;
                     76: 
                     77: };
                     78: 
                     79: #endif