Return to pa_vdouble.h CVS log

Up to [parser3project] / parser3 / src / types

Annotation of parser3/src/types/pa_vdouble.h, revision 1.1

1.1     ! paf         1: /*
        !             2:        Parser
        !             3:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
        !             4:        Author: Alexander Petrosyan <paf@design.ru>
        !             5: 
        !             6:        $Id: pa_vdouble.h,v 1.12 2001/03/10 16:34:36 paf Exp $
        !             7: */
        !             8: 
        !             9: #ifndef PA_VDOUBLE_H
        !            10: #define PA_VDOUBLE_H
        !            11: 
        !            12: #include "pa_value.h"
        !            13: #include "pa_common.h"
        !            14: #include "_double.h"
        !            15: 
        !            16: #define MAX_DOUBLE_AS_STRING 20
        !            17: 
        !            18: class VDouble : public VObject {
        !            19: public: // Value
        !            20: 
        !            21:        // all: for error reporting after fail(), etc
        !            22:        const char *type() const { return "double"; }
        !            23:        // double: this
        !            24:        Value *get_expr_result() { return this; }
        !            25: 
        !            26:        // double: fdouble
        !            27:        const String *get_string() {
        !            28:                char *buf=static_cast<char *>(pool().malloc(MAX_DOUBLE_AS_STRING));
        !            29:                snprintf(buf, MAX_DOUBLE_AS_STRING, "%g", fdouble);
        !            30:                String *result=NEW String(pool());
        !            31:                result->APPEND_CONST(buf);
        !            32:                return result;
        !            33:        }
        !            34:        // double: fdouble
        !            35:        double get_double() { return fdouble; }
        !            36:        // double: 0 or !0
        !            37:        bool get_bool() { return fdouble!=0; }
        !            38: 
        !            39: public: // usage
        !            40: 
        !            41:        VDouble(Pool& apool, double adouble) : VObject(apool, *double_class), 
        !            42:                fdouble(adouble) {
        !            43:        }
        !            44: 
        !            45:        void inc(double increment) { fdouble+=increment; }
        !            46: 
        !            47: private:
        !            48: 
        !            49:        double fdouble;
        !            50: 
        !            51: };
        !            52: 
        !            53: #endif