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| version 1.21, 2001/04/15 13:12:17 | version 1.42, 2002/02/08 07:27:39 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b double parser class. | Parser: @b double parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | $Id$ |
| */ | */ |
| #include "classes.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "_double.h" | |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "_string.h" | |
| // global var | // externs |
| void _string_format(Request& r, const String& method_name, MethodParams *); | |
| // defines | |
| #define DOUBLE_CLASS_NAME "double" | |
| // class | |
| VStateless_class *double_class; | class MDouble : public Methoded { |
| public: | |
| MDouble(Pool& pool); | |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | |
| // methods | // methods |
| static void _int(Request& r, const String&, MethodParams *) { | static void _int(Request& r, const String& method_name, MethodParams *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | VDouble *vdouble=static_cast<VDouble *>(r.self); |
| Value& value=*new(pool) VInt(pool, (int)vdouble->as_double()); | Value& result=*new(pool) VInt(pool, vdouble->as_int()); |
| r.write_no_lang(value); | result.set_name(method_name); |
| r.write_no_lang(result); | |
| } | } |
| static void _double(Request& r, const String&, MethodParams *) { | static void _double(Request& r, const String& method_name, MethodParams *) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | VDouble *vdouble=static_cast<VDouble *>(r.self); |
| Value& value=*new(pool) VDouble(pool, vdouble->as_double()); | Value& result=*new(pool) VDouble(pool, vdouble->as_double()); |
| r.write_no_lang(value); | result.set_name(method_name); |
| r.write_no_lang(result); | |
| } | } |
| typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); | typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); |
| Line 46 static void vdouble_op(Request& r, Metho | Line 59 static void vdouble_op(Request& r, Metho |
| vdouble_op_func_ptr func) { | vdouble_op_func_ptr func) { |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | VDouble *vdouble=static_cast<VDouble *>(r.self); |
| double param=params->size()? | double param=params->size()? |
| r.process( | params->as_double(0, "param must be double", r):1/*used in inc/dec*/; |
| params->get(0), | |
| 0/*no name*/, | |
| false/*don't intercept string*/).as_double():1/*used in inc/dec*/; | |
| (*func)(*vdouble, param); | (*func)(*vdouble, param); |
| } | } |
| Line 59 static void _mul(Request& r, const Strin | Line 69 static void _mul(Request& r, const Strin |
| static void _div(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__div); } | static void _div(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__div); } |
| static void _mod(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__mod); } | static void _mod(Request& r, const String&, MethodParams *params) { vdouble_op(r, params, &__mod); } |
| // initialize | // 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(); | |
| double val; | |
| Hash *options; | |
| Value *default_code; | |
| if(const String *string=sql_result_string(r, method_name, params, options, default_code)) | |
| val=string->as_double(); | |
| else | |
| if(default_code) | |
| val=r.process(*default_code).as_double(); | |
| else { | |
| throw Exception(0, 0, | |
| &method_name, | |
| "produced no result, but no default option specified"); | |
| val=0; //calm, compiler | |
| } | |
| VDouble& result=*new(pool) VDouble(pool, val); | |
| result.set_name(method_name); | |
| r.write_assign_lang(result); | |
| } | |
| // constructor | |
| MDouble::MDouble(Pool& apool) : Methoded(apool) { | |
| set_name(*NEW String(pool(), DOUBLE_CLASS_NAME)); | |
| void initialize_double_class(Pool& pool, VStateless_class& vclass) { | |
| // ^double.int[] | // ^double.int[] |
| vclass.add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); | add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); |
| // ^double.double[] | // ^double.double[] |
| vclass.add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); | add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); |
| // ^double.inc[] | // ^double.inc[] |
| // ^double.inc[offset] | // ^double.inc[offset] |
| vclass.add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); | add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); |
| // ^double.dec[] | // ^double.dec[] |
| // ^double.dec[offset] | // ^double.dec[offset] |
| vclass.add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); | add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); |
| // ^double.mul[k] | // ^double.mul[k] |
| vclass.add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); | add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); |
| // ^double.div[d] | // ^double.div[d] |
| vclass.add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); | add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); |
| // ^double.mod[offset] | // ^double.mod[offset] |
| vclass.add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1); | add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1); |
| // ^double.format{format} | // ^double.format{format} |
| vclass.add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1); | 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); | |
| } | |
| // global variable | |
| Methoded *double_class; | |
| // creator | |
| Methoded *MDouble_create(Pool& pool) { | |
| return double_class=new(pool) MDouble(pool); | |
| } | } |