Annotation of parser3/src/classes/int.C, revision 1.26
1.18 paf 1: /** @file
2: Parser: @b int parser class.
3:
1.4 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.18 paf 5:
1.5 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.4 paf 7:
1.26 ! parser 8: $Id: int.C,v 1.25 2001/05/21 16:38:46 parser Exp $
1.1 paf 9: */
10:
1.22 paf 11: #include "classes.h"
1.1 paf 12: #include "pa_request.h"
13: #include "pa_vdouble.h"
14: #include "pa_vint.h"
15:
1.20 paf 16: // externs
1.1 paf 17:
1.20 paf 18: void _string_format(Request& r, const String& method_name, MethodParams *);
19:
20: // defines
21:
22: #define INT_CLASS_NAME "int"
23:
24: // class
25:
26: class MInt : public Methoded {
27: public:
28: MInt(Pool& pool);
1.23 paf 29: public: // Methoded
1.25 parser 30: bool used_directly() { return true; }
1.20 paf 31: };
1.1 paf 32:
33: // methods
34:
1.24 paf 35: static void _int(Request& r, const String& method_name, MethodParams *) {
1.1 paf 36: Pool& pool=r.pool();
37: VInt *vint=static_cast<VInt *>(r.self);
1.24 paf 38: Value& result=*new(pool) VInt(pool, vint->get_int());
39: result.set_name(method_name);
40: r.write_no_lang(result);
1.1 paf 41: }
42:
1.24 paf 43: static void _double(Request& r, const String& method_name, MethodParams *) {
1.1 paf 44: Pool& pool=r.pool();
45: VInt *vint=static_cast<VInt *>(r.self);
1.24 paf 46: Value& result=*new(pool) VDouble(pool, vint->as_double());
47: result.set_name(method_name);
48: r.write_no_lang(result);
1.1 paf 49: }
50:
1.13 paf 51: typedef void (*vint_op_func_ptr)(VInt& vint, double param);
52:
53: static void __inc(VInt& vint, double param) { vint.inc((int)param); }
54: static void __dec(VInt& vint, double param) { vint.inc((int)-param); }
55: static void __mul(VInt& vint, double param) { vint.mul(param); }
56: static void __div(VInt& vint, double param) { vint.div(param); }
57: static void __mod(VInt& vint, double param) { vint.mod((int)param); }
58:
1.19 paf 59: static void vint_op(Request& r, MethodParams *params,
1.13 paf 60: vint_op_func_ptr func) {
1.1 paf 61: VInt *vint=static_cast<VInt *>(r.self);
1.13 paf 62: double param=params->size()?
63: r.process(
1.19 paf 64: params->get(0),
1.6 paf 65: 0/*no name*/,
1.16 paf 66: false/*don't intercept string*/).as_double():1;
1.13 paf 67: (*func)(*vint, param);
1.1 paf 68: }
69:
1.19 paf 70: static void _inc(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__inc); }
71: static void _dec(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__dec); }
72: static void _mul(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__mul); }
73: static void _div(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__div); }
74: static void _mod(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__mod); }
1.15 paf 75:
1.26 ! parser 76: // from string.C
1.25 parser 77: extern
78: String& sql_result_string(Request& r, const String& method_name, MethodParams *params);
79:
80: static void _sql(Request& r, const String& method_name, MethodParams *params) {
81: Pool& pool=r.pool();
82:
1.26 ! parser 83: int val=sql_result_string(r, method_name, params).as_int();
! 84:
! 85: VInt& result=*new(pool) VInt(pool, val);
1.25 parser 86: result.set_name(method_name);
1.26 ! parser 87: r.write_assign_lang(result);
1.25 parser 88: }
89:
1.20 paf 90: // constructor
91:
92: MInt::MInt(Pool& apool) : Methoded(apool) {
93: set_name(*NEW String(pool(), INT_CLASS_NAME));
94:
1.13 paf 95:
1.9 paf 96: // ^int.int[]
1.20 paf 97: add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0);
1.9 paf 98:
99: // ^int.double[]
1.20 paf 100: add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0);
1.9 paf 101:
102: // ^int.inc[]
103: // ^int.inc[offset]
1.20 paf 104: add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1);
1.13 paf 105: // ^int.dec[]
106: // ^int.dec[offset]
1.20 paf 107: add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1);
1.13 paf 108: // ^int.mul[k]
1.20 paf 109: add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1);
1.13 paf 110: // ^int.div[d]
1.20 paf 111: add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1);
1.13 paf 112: // ^int.mod[offset]
1.20 paf 113: add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1);
1.13 paf 114:
1.12 paf 115:
1.18 paf 116: // ^int.format{format}
1.20 paf 117: add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);
1.26 ! parser 118:
1.25 parser 119: // ^int:sql[query]
120: // ^int:sql[query](offset)
1.26 ! parser 121: add_native_method("sql", Method::CT_STATIC, _sql, 1, 2);
1.20 paf 122: }
123: // global variable
124:
125: Methoded *int_class;
126:
127: // creator
128:
129: Methoded *MInt_create(Pool& pool) {
130: return int_class=new(pool) MInt(pool);
1.1 paf 131: }
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