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| version 1.9, 2001/03/11 12:04:42 | version 1.41, 2002/03/27 15:30:34 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: @b int parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| $Id$ | $Id$ |
| */ | */ |
| #include "classes.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "_int.h" | |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| // global var | // externs |
| void _string_format(Request& r, const String& method_name, MethodParams *); | |
| // defines | |
| #define INT_CLASS_NAME "int" | |
| // class | |
| VClass *int_class; | class MInt : public Methoded { |
| public: | |
| MInt(Pool& pool); | |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | |
| // methods | // methods |
| static void _int(Request& r, Array *) { | static void _int(Request& r, const String& method_name, MethodParams *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VInt *vint=static_cast<VInt *>(r.self); | VInt *vint=static_cast<VInt *>(r.self); |
| Value& value=*new(pool) VInt(pool, vint->get_int()); | Value& result=*new(pool) VInt(pool, vint->get_int()); |
| r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); | result.set_name(method_name); |
| r.write_no_lang(result); | |
| } | } |
| static void _double(Request& r, Array *) { | static void _double(Request& r, const String& method_name, MethodParams *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VInt *vint=static_cast<VInt *>(r.self); | VInt *vint=static_cast<VInt *>(r.self); |
| Value& value=*new(pool) VDouble(pool, vint->get_double()); | Value& result=*new(pool) VDouble(pool, vint->as_double()); |
| r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); | result.set_name(method_name); |
| r.write_no_lang(result); | |
| } | } |
| static void _inc(Request& r, Array *params) { | typedef void (*vint_op_func_ptr)(VInt& vint, double param); |
| static void __inc(VInt& vint, double param) { vint.inc((int)param); } | |
| static void __dec(VInt& vint, double param) { vint.inc((int)-param); } | |
| static void __mul(VInt& vint, double param) { vint.mul(param); } | |
| static void __div(VInt& vint, double param) { vint.div(param); } | |
| static void __mod(VInt& vint, double param) { vint.mod((int)param); } | |
| static void vint_op(Request& r, MethodParams *params, | |
| vint_op_func_ptr func) { | |
| VInt *vint=static_cast<VInt *>(r.self); | VInt *vint=static_cast<VInt *>(r.self); |
| int increment=params->size()? | double param=params->size()?params->as_double(0, "param must be numerical", r):1; |
| static_cast<int>(r.autocalc( | (*func)(*vint, param); |
| *static_cast<Value *>(params->get(0)), | |
| 0/*no name*/, | |
| false/*don't intercept string*/).get_double()):1; | |
| vint->inc(increment); | |
| } | } |
| void initialize_int_class(Pool& pool, VClass& vclass) { | static void _inc(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__inc); } |
| static void _dec(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__dec); } | |
| static void _mul(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__mul); } | |
| static void _div(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__div); } | |
| static void _mod(Request& r, const String&, MethodParams *params) { vint_op(r, params, &__mod); } | |
| // from string.C | |
| extern | |
| const String* sql_result_string(Request& r, const String& method_name, MethodParams *params, | |
| Hash *& options, Value *& default_code); | |
| static void _sql(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| int val; | |
| Hash *options; | |
| Value *default_code; | |
| if(const String *string=sql_result_string(r, method_name, params, options, default_code)) | |
| val=string->as_int(); | |
| else | |
| if(default_code) | |
| val=r.process(*default_code).as_int(); | |
| else { | |
| throw Exception("parser.runtime", | |
| &method_name, | |
| "produced no result, but no default option specified"); | |
| val=0; //calm, compiler | |
| } | |
| VInt& result=*new(pool) VInt(pool, val); | |
| result.set_name(method_name); | |
| r.write_assign_lang(result); | |
| } | |
| // constructor | |
| MInt::MInt(Pool& apool) : Methoded(apool) { | |
| set_name(*NEW String(pool(), INT_CLASS_NAME)); | |
| // ^int.int[] | // ^int.int[] |
| vclass.add_native_method("int", _int, 0, 0); | add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); |
| // ^int.double[] | // ^int.double[] |
| vclass.add_native_method("double", _double, 0, 0); | add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); |
| // ^int.inc[] | // ^int.inc[] |
| // ^int.inc[offset] | // ^int.inc[offset] |
| vclass.add_native_method("inc", _inc, 0, 1); | add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); |
| // ^int.dec[] | |
| // ^int.dec[offset] | |
| add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); | |
| // ^int.mul[k] | |
| add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); | |
| // ^int.div[d] | |
| add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); | |
| // ^int.mod[offset] | |
| add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1); | |
| // ^int.format{format} | |
| add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1); | |
| // ^sql[query] | |
| // ^sql[query][$.limit(1) $.offset(2) $.default(0)] | |
| add_native_method("sql", Method::CT_STATIC, _sql, 1, 2); | |
| } | |
| // global variable | |
| Methoded *int_class; | |
| // creator | |
| Methoded *MInt_create(Pool& pool) { | |
| return int_class=new(pool) MInt(pool); | |
| } | } |