--- parser3/src/classes/double.C 2001/03/27 16:35:52 1.18 +++ parser3/src/classes/double.C 2023/11/16 23:54:54 1.76 @@ -1,35 +1,50 @@ -/* - Parser - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) +/** @file + Parser: @b double parser class. - $Id: double.C,v 1.18 2001/03/27 16:35:52 paf Exp $ + Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com) + Authors: Konstantin Morshnev , Alexandr Petrosian */ +#include "classes.h" +#include "pa_vmethod_frame.h" + #include "pa_request.h" -#include "_double.h" #include "pa_vdouble.h" #include "pa_vint.h" -#include "_string.h" +#include "pa_vbool.h" + +volatile const char * IDENT_DOUBLE_C="$Id: double.C,v 1.76 2023/11/16 23:54:54 moko Exp $" IDENT_PA_VDOUBLE_H; + +// externs + +void _string_format(Request& r, MethodParams&); -// global var +// class -VStateless_class *double_class; +class MDouble: public Methoded { +public: + MDouble(); +}; + +// global variable + +DECLARE_CLASS_VAR(double, new MDouble); // methods -static void _int(Request& r, const String&, Array *) { - Pool& pool=r.pool(); - VDouble *vdouble=static_cast(r.self); - Value& value=*new(pool) VInt(pool, (int)vdouble->as_double()); - r.write_no_lang(value); +static void _int(Request& r, MethodParams&) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(*new VInt(vdouble.as_int())); } -static void _double(Request& r, const String&, Array *) { - Pool& pool=r.pool(); - VDouble *vdouble=static_cast(r.self); - Value& value=*new(pool) VDouble(pool, vdouble->as_double()); - r.write_no_lang(value); +static void _double(Request& r, MethodParams&) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(*new VDouble(vdouble.as_double())); +} + +static void _bool(Request& r, MethodParams&) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(VBool::get(vdouble.as_bool())); } typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); @@ -38,47 +53,67 @@ static void __inc(VDouble& vdouble, doub static void __dec(VDouble& vdouble, double param) { vdouble.inc(-param); } static void __mul(VDouble& vdouble, double param) { vdouble.mul(param); } static void __div(VDouble& vdouble, double param) { vdouble.div(param); } -static void __mod(VDouble& vdouble, double param) { vdouble.mod((int)param); } +static void __mod(VDouble& vdouble, double param) { vdouble.mod(param); } + +static void vdouble_op(Request& r, MethodParams& params, vdouble_op_func_ptr func) { + VDouble& vdouble=GET_SELF(r, VDouble); + double param=params.count() ? params.as_double(0, "param must be double", r) : 1/*used in inc/dec*/; + (*func)(vdouble, param); +} -static void vdouble_op(Request& r, Array *params, - vdouble_op_func_ptr func) { - VDouble *vdouble=static_cast(r.self); - double param=params->size()? - r.process( - *static_cast(params->get(0)), - 0/*no name*/, - false/*don't intercept string*/).as_double():1/*used in inc/dec*/; - (*func)(*vdouble, param); -} - -static void _inc(Request& r, const String&, Array *params) { vdouble_op(r, params, &__inc); } -static void _dec(Request& r, const String&, Array *params) { vdouble_op(r, params, &__dec); } -static void _mul(Request& r, const String&, Array *params) { vdouble_op(r, params, &__mul); } -static void _div(Request& r, const String&, Array *params) { vdouble_op(r, params, &__div); } -static void _mod(Request& r, const String&, Array *params) { vdouble_op(r, params, &__mod); } +static void _inc(Request& r, MethodParams& params) { vdouble_op(r, params, &__inc); } +static void _dec(Request& r, MethodParams& params) { vdouble_op(r, params, &__dec); } +static void _mul(Request& r, MethodParams& params) { vdouble_op(r, params, &__mul); } +static void _div(Request& r, MethodParams& params) { vdouble_op(r, params, &__div); } +static void _mod(Request& r, MethodParams& params) { vdouble_op(r, params, &__mod); } + +// from string.C +extern const String* sql_result_string(Request& r, MethodParams& params, Value*& default_code); + +static void _sql(Request& r, MethodParams& params) { + double val; + Value* default_code; + if(const String* string=sql_result_string(r, params, default_code)) + val=string->as_double(); + else + if(default_code) + val=r.process(*default_code).as_double(); + else { + throw Exception(PARSER_RUNTIME, 0, "produced no result, but no default option specified"); + } + r.write(*new VDouble(val)); +} -// initialize +// constructor -void initialize_double_class(Pool& pool, VStateless_class& vclass) { +MDouble::MDouble(): Methoded("double") { // ^double.int[] - vclass.add_native_method("int", _int, 0, 0); - + // ^double.int[default for ^string.int compatibility] + add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); // ^double.double[] - vclass.add_native_method("double", _double, 0, 0); + // ^double.double[default for ^string.double compatibility] + add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1); + // ^double.bool[] + // ^double.bool[default for ^string.bool compatibility] + add_native_method("bool", Method::CT_DYNAMIC, _bool, 0, 1); // ^double.inc[] // ^double.inc[offset] - vclass.add_native_method("inc", _inc, 0, 1); + add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); // ^double.dec[] // ^double.dec[offset] - vclass.add_native_method("dec", _dec, 0, 1); + add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); // ^double.mul[k] - vclass.add_native_method("mul", _mul, 1, 1); + add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); // ^double.div[d] - vclass.add_native_method("div", _div, 1, 1); + add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); // ^double.mod[offset] - vclass.add_native_method("mod", _mod, 1, 1); + add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1); - // ^double.format[] - vclass.add_native_method("format", _string_format, 1, 1); + // ^double.format{format} + add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1); + + // ^sql[query] + // ^sql[query][$.limit(1) $.offset(2) $.default(0.0)] + add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); }