--- parser3/src/classes/double.C 2001/03/13 11:52:44 1.14 +++ parser3/src/classes/double.C 2010/10/21 15:06:27 1.63 @@ -1,35 +1,62 @@ -/* - 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 1.14 2001/03/13 11:52:44 paf Exp $ + Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ +static const char * const IDENT_DOUBLE_C="$Date: 2010/10/21 15:06:27 $"; + +#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" + +// externs + +void _string_format(Request& r, MethodParams&); + +// class -// global var +class MDouble: public Methoded { +public: + MDouble(); +}; -VClass *double_class; +// global variable + +DECLARE_CLASS_VAR(double, new MDouble, 0); // 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->get_double()); - r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); +static void _int(Request& r, MethodParams& params) { + // just checking (default) syntax validity, never really using it here, just for string.int compatibility + if(params.count()>0) + params.as_int(0, "default must be int", r); + + VDouble& vdouble=GET_SELF(r, VDouble); + r.write_no_lang(*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->get_double()); - r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); +static void _double(Request& r, MethodParams& params) { + // just checking (default) syntax validity, never really using it here, just for string.double compatibility + if(params.count()>0) + params.as_double(0, "default must be double", r); + + VDouble& vdouble=GET_SELF(r, VDouble); + r.write_no_lang(*new VDouble(vdouble.as_double())); +} + +static void _bool(Request& r, MethodParams& params) { + // just checking (default) syntax validity, never really using it here, just for string.bool compatibility + if(params.count()>0) + params.as_double(0, "default must be bool", r); + + VDouble& vdouble=GET_SELF(r, VDouble); + r.write_no_lang(VBool::get(vdouble.as_bool())); } typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); @@ -40,43 +67,71 @@ static void __mul(VDouble& vdouble, doub static void __div(VDouble& vdouble, double param) { vdouble.div(param); } static void __mod(VDouble& vdouble, double param) { vdouble.mod((int)param); } -static void vdouble_op(Request& r, Array *params, +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( - *static_cast(params->get(0)), - 0/*no name*/, - false/*don't doubleercept string*/).get_double():1; - (*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); } + 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 _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, + HashStringValue*& options, Value*& default_code); + +static void _sql(Request& r, MethodParams& params) { + double val; + HashStringValue* options; + Value* default_code; + if(const String* string=sql_result_string(r, params, options, default_code)) + val=string->as_double(); + else + if(default_code) + val=r.process_to_value(*default_code).as_double(); + else { + throw Exception(PARSER_RUNTIME, + 0, + "produced no result, but no default option specified"); + } + r.write_no_lang(*new VDouble(val)); +} + +// constructor -void initialize_double_class(Pool& pool, VClass& vclass) { +MDouble::MDouble(): Methoded("double") { // ^double.int[] - vclass.add_native_method("int", _int, 0, 0); + add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); // ^double.double[] - vclass.add_native_method("double", _double, 0, 0); + add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1); + + // ^double.bool[] + 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); }