Annotation of parser3/src/classes/double.C, revision 1.67
1.20 paf 1: /** @file
2: Parser: @b double parser class.
3:
1.64 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.43 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://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:
1.67 ! moko 16: volatile const char * IDENT_DOUBLE_C="$Id: double.C,v 1.66 2013/03/09 22:58:50 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:
31: DECLARE_CLASS_VAR(double, new MDouble, 0);
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);
37: r.write_no_lang(*new VInt(vdouble.as_int()));
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);
42: r.write_no_lang(*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);
1.62 misha 47: r.write_no_lang(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); }
56: static void __mod(VDouble& vdouble, double param) { vdouble.mod((int)param); }
57:
1.54 paf 58: static void vdouble_op(Request& r, MethodParams& params,
1.14 paf 59: vdouble_op_func_ptr func) {
1.54 paf 60: VDouble& vdouble=GET_SELF(r, VDouble);
61: double param=params.count()?
62: params.as_double(0, "param must be double", r):1/*used in inc/dec*/;
63: (*func)(vdouble, param);
1.1 paf 64: }
65:
1.54 paf 66: static void _inc(Request& r, MethodParams& params) { vdouble_op(r, params, &__inc); }
67: static void _dec(Request& r, MethodParams& params) { vdouble_op(r, params, &__dec); }
68: static void _mul(Request& r, MethodParams& params) { vdouble_op(r, params, &__mul); }
69: static void _div(Request& r, MethodParams& params) { vdouble_op(r, params, &__div); }
70: static void _mod(Request& r, MethodParams& params) { vdouble_op(r, params, &__mod); }
1.16 paf 71:
1.29 parser 72: // from string.C
1.65 moko 73: extern const String* sql_result_string(Request& r, MethodParams& params, Value*& default_code);
1.29 parser 74:
1.54 paf 75: static void _sql(Request& r, MethodParams& params) {
1.35 parser 76: double val;
1.54 paf 77: Value* default_code;
1.65 moko 78: if(const String* string=sql_result_string(r, params, default_code))
1.35 parser 79: val=string->as_double();
80: else
1.39 parser 81: if(default_code)
1.46 paf 82: val=r.process_to_value(*default_code).as_double();
1.39 parser 83: else {
1.61 misha 84: throw Exception(PARSER_RUNTIME,
1.54 paf 85: 0,
1.39 parser 86: "produced no result, but no default option specified");
1.35 parser 87: }
1.54 paf 88: r.write_no_lang(*new VDouble(val));
1.29 parser 89: }
90:
1.22 paf 91: // constructor
92:
1.54 paf 93: MDouble::MDouble(): Methoded("double") {
1.9 paf 94: // ^double.int[]
1.66 moko 95: // ^double.int[default for ^string.int compatibility]
1.45 paf 96: add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1);
1.9 paf 97: // ^double.double[]
1.66 moko 98: // ^double.double[default for ^string.double compatibility]
1.45 paf 99: add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1);
1.60 misha 100: // ^double.bool[]
1.66 moko 101: // ^double.bool[default for ^string.bool compatibility]
1.60 misha 102: add_native_method("bool", Method::CT_DYNAMIC, _bool, 0, 1);
1.9 paf 103:
1.14 paf 104: // ^double.inc[]
1.9 paf 105: // ^double.inc[offset]
1.22 paf 106: add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1);
1.14 paf 107: // ^double.dec[]
108: // ^double.dec[offset]
1.22 paf 109: add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1);
1.14 paf 110: // ^double.mul[k]
1.22 paf 111: add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1);
1.14 paf 112: // ^double.div[d]
1.22 paf 113: add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1);
1.14 paf 114: // ^double.mod[offset]
1.22 paf 115: add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1);
1.12 paf 116:
1.20 paf 117: // ^double.format{format}
1.22 paf 118: add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);
1.29 parser 119:
1.36 parser 120: // ^sql[query]
121: // ^sql[query][$.limit(1) $.offset(2) $.default(0.0)]
1.34 parser 122: add_native_method("sql", Method::CT_STATIC, _sql, 1, 2);
1.1 paf 123: }
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