--- parser3/src/classes/double.C 2001/05/04 10:42:35 1.26 +++ parser3/src/classes/double.C 2026/05/06 20:19:02 1.80 @@ -1,49 +1,50 @@ /** @file Parser: @b double parser class. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - - Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: double.C,v 1.26 2001/05/04 10:42:35 paf Exp $ + Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com) + Authors: Konstantin Morshnev , Alexandr Petrosian */ #include "classes.h" +#include "pa_vmethod_frame.h" + #include "pa_request.h" #include "pa_vdouble.h" #include "pa_vint.h" +#include "pa_vbool.h" -// externs +volatile const char * IDENT_DOUBLE_C="$Id: double.C,v 1.80 2026/05/06 20:19:02 moko Exp $" IDENT_PA_VDOUBLE_H; -void _string_format(Request& r, const String& method_name, MethodParams *); - -// defines +// externs -#define DOUBLE_CLASS_NAME "double" +void _string_format(Request& r, MethodParams&); // class -class MDouble : public Methoded { +class MDouble: public Methoded { public: - MDouble(Pool& pool); -public: // Methoded - bool used_directly() { return false; } + MDouble(); }; +// global variable + +DECLARE_CLASS_VAR(double, new MDouble); + // methods -static void _int(Request& r, const String&, MethodParams *) { - 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_wint())); +} + +static void _double(Request& r, MethodParams&) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(*new VDouble(vdouble.as_double())); } -static void _double(Request& r, const String&, MethodParams *) { - 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 _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); @@ -52,43 +53,75 @@ 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=static_cast(r.self); - double param=params->size()? - r.process( - 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&, MethodParams *params) { vdouble_op(r, params, &__inc); } -static void _dec(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__dec); } -static void _mul(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__mul); } -static void _div(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__div); } -static void _mod(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__mod); } +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); +} -// constructor +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); } + +static void _plus_plus(Request& r, MethodParams& params) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(*new VDouble(vdouble)); + vdouble.inc(1); +} -MDouble::MDouble(Pool& apool) : Methoded(apool) { - set_name(*NEW String(pool(), DOUBLE_CLASS_NAME)); +static void _minus_minus(Request& r, MethodParams& params) { + VDouble& vdouble=GET_SELF(r, VDouble); + r.write(*new VDouble(vdouble)); + vdouble.inc(-1); +} - // ^double.int[] - add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); +// 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)); +} +// constructor + +MDouble::MDouble(): Methoded("double") { + // ^double.int[] + // ^double.int[default for ^string.int compatibility] + add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); // ^double.double[] - add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); - - // ^double.inc[] + // ^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] add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); - // ^double.dec[] + // ^double.dec[] // ^double.dec[offset] add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); - // ^double.mul[k] + + // ^double.++[] + add_native_method("++", Method::CT_DYNAMIC, _plus_plus, 0, 0); + // ^double.--[] + add_native_method("--", Method::CT_DYNAMIC, _minus_minus, 0, 0); + + // ^double.mul[k] add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); // ^double.div[d] add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); @@ -97,13 +130,8 @@ MDouble::MDouble(Pool& apool) : Methoded // ^double.format{format} add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1); -} -// global variable - -Methoded *double_class; - -// creator -Methoded *MDouble_create(Pool& pool) { - return double_class=new(pool) MDouble(pool); + // ^sql[query] + // ^sql[query][$.limit(1) $.offset(2) $.default(0.0)] + add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); }