Annotation of parser3/src/classes/double.C, revision 1.80
1.20 paf 1: /** @file
2: Parser: @b double parser class.
3:
1.79 moko 4: Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
1.75 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.48 paf 6: */
1.20 paf 7:
1.24 paf 8: #include "classes.h"
1.54 paf 9: #include "pa_vmethod_frame.h"
10:
1.1 paf 11: #include "pa_request.h"
12: #include "pa_vdouble.h"
13: #include "pa_vint.h"
1.60 misha 14: #include "pa_vbool.h"
1.1 paf 15:
1.80 ! moko 16: volatile const char * IDENT_DOUBLE_C="$Id: double.C,v 1.79 2026/04/25 13:38:46 moko Exp $" IDENT_PA_VDOUBLE_H;
1.64 moko 17:
1.22 paf 18: // externs
1.1 paf 19:
1.54 paf 20: void _string_format(Request& r, MethodParams&);
1.22 paf 21:
22: // class
23:
1.54 paf 24: class MDouble: public Methoded {
1.22 paf 25: public:
1.54 paf 26: MDouble();
1.22 paf 27: };
1.1 paf 28:
1.54 paf 29: // global variable
30:
1.69 moko 31: DECLARE_CLASS_VAR(double, new MDouble);
1.54 paf 32:
1.1 paf 33: // methods
34:
1.67 moko 35: static void _int(Request& r, MethodParams&) {
1.54 paf 36: VDouble& vdouble=GET_SELF(r, VDouble);
1.78 moko 37: r.write(*new VInt(vdouble.as_wint()));
1.1 paf 38: }
39:
1.67 moko 40: static void _double(Request& r, MethodParams&) {
1.54 paf 41: VDouble& vdouble=GET_SELF(r, VDouble);
1.72 moko 42: r.write(*new VDouble(vdouble.as_double()));
1.1 paf 43: }
44:
1.67 moko 45: static void _bool(Request& r, MethodParams&) {
1.60 misha 46: VDouble& vdouble=GET_SELF(r, VDouble);
1.72 moko 47: r.write(VBool::get(vdouble.as_bool()));
1.60 misha 48: }
49:
1.14 paf 50: typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param);
51:
52: static void __inc(VDouble& vdouble, double param) { vdouble.inc(param); }
53: static void __dec(VDouble& vdouble, double param) { vdouble.inc(-param); }
54: static void __mul(VDouble& vdouble, double param) { vdouble.mul(param); }
55: static void __div(VDouble& vdouble, double param) { vdouble.div(param); }
1.76 moko 56: static void __mod(VDouble& vdouble, double param) { vdouble.mod(param); }
1.14 paf 57:
1.71 moko 58: static void vdouble_op(Request& r, MethodParams& params, vdouble_op_func_ptr func) {
1.54 paf 59: VDouble& vdouble=GET_SELF(r, VDouble);
1.71 moko 60: double param=params.count() ? params.as_double(0, "param must be double", r) : 1/*used in inc/dec*/;
1.54 paf 61: (*func)(vdouble, param);
1.1 paf 62: }
63:
1.54 paf 64: static void _inc(Request& r, MethodParams& params) { vdouble_op(r, params, &__inc); }
65: static void _dec(Request& r, MethodParams& params) { vdouble_op(r, params, &__dec); }
66: static void _mul(Request& r, MethodParams& params) { vdouble_op(r, params, &__mul); }
67: static void _div(Request& r, MethodParams& params) { vdouble_op(r, params, &__div); }
68: static void _mod(Request& r, MethodParams& params) { vdouble_op(r, params, &__mod); }
1.16 paf 69:
1.80 ! moko 70: static void _plus_plus(Request& r, MethodParams& params) {
! 71: VDouble& vdouble=GET_SELF(r, VDouble);
! 72: r.write(*new VDouble(vdouble));
! 73: vdouble.inc(1);
! 74: }
! 75:
! 76: static void _minus_minus(Request& r, MethodParams& params) {
! 77: VDouble& vdouble=GET_SELF(r, VDouble);
! 78: r.write(*new VDouble(vdouble));
! 79: vdouble.inc(-1);
! 80: }
! 81:
1.29 parser 82: // from string.C
1.65 moko 83: extern const String* sql_result_string(Request& r, MethodParams& params, Value*& default_code);
1.29 parser 84:
1.54 paf 85: static void _sql(Request& r, MethodParams& params) {
1.35 parser 86: double val;
1.54 paf 87: Value* default_code;
1.65 moko 88: if(const String* string=sql_result_string(r, params, default_code))
1.35 parser 89: val=string->as_double();
90: else
1.39 parser 91: if(default_code)
1.70 moko 92: val=r.process(*default_code).as_double();
1.39 parser 93: else {
1.71 moko 94: throw Exception(PARSER_RUNTIME, 0, "produced no result, but no default option specified");
1.35 parser 95: }
1.72 moko 96: r.write(*new VDouble(val));
1.29 parser 97: }
98:
1.22 paf 99: // constructor
100:
1.54 paf 101: MDouble::MDouble(): Methoded("double") {
1.9 paf 102: // ^double.int[]
1.66 moko 103: // ^double.int[default for ^string.int compatibility]
1.45 paf 104: add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1);
1.9 paf 105: // ^double.double[]
1.66 moko 106: // ^double.double[default for ^string.double compatibility]
1.45 paf 107: add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1);
1.60 misha 108: // ^double.bool[]
1.66 moko 109: // ^double.bool[default for ^string.bool compatibility]
1.60 misha 110: add_native_method("bool", Method::CT_DYNAMIC, _bool, 0, 1);
1.80 ! moko 111:
! 112: // ^double.inc[]
1.9 paf 113: // ^double.inc[offset]
1.22 paf 114: add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1);
1.80 ! moko 115: // ^double.dec[]
1.14 paf 116: // ^double.dec[offset]
1.22 paf 117: add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1);
1.80 ! moko 118:
! 119: // ^double.++[]
! 120: add_native_method("++", Method::CT_DYNAMIC, _plus_plus, 0, 0);
! 121: // ^double.--[]
! 122: add_native_method("--", Method::CT_DYNAMIC, _minus_minus, 0, 0);
! 123:
! 124: // ^double.mul[k]
1.22 paf 125: add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1);
1.14 paf 126: // ^double.div[d]
1.22 paf 127: add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1);
1.14 paf 128: // ^double.mod[offset]
1.22 paf 129: add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1);
1.12 paf 130:
1.20 paf 131: // ^double.format{format}
1.22 paf 132: add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);
1.80 ! moko 133:
1.36 parser 134: // ^sql[query]
135: // ^sql[query][$.limit(1) $.offset(2) $.default(0.0)]
1.34 parser 136: add_native_method("sql", Method::CT_STATIC, _sql, 1, 2);
1.1 paf 137: }
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