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| version 1.12, 2001/03/12 21:54:18 | version 1.53.2.5, 2003/02/17 07:18:56 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: @b double parser class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| static const char* IDENT_DOUBLE_C="$Date$"; | |
| #include "classes.h" | |
| #include "pa_vmethod_frame.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" |
| // global var | // externs |
| void _string_format(Request& r, StringPtr method_name, MethodParams& /*params*/); | |
| // class | |
| class MDouble : public Methoded { | |
| public: | |
| MDouble(); | |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | |
| // global variable | |
| VClass *double_class; | MethodedPtr double_class(new MDouble); |
| // methods | // methods |
| static void _int(Request& r, const String&, Array *) { | static void _int(Request& r, StringPtr method_name, MethodParams& params) { |
| Pool& pool=r.pool(); | // just checking (default) syntax validity, never really using it here, just for string.int compatibility |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | if(params.count()>0) |
| Value& value=*new(pool) VInt(pool, (int)vdouble->get_double()); | params.as_junction(0, "default must be int"); |
| r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); | |
| } | |
| static void _double(Request& r, const String&, Array *) { | VDouble& vdouble=*static_cast<VDouble *>(r.get_self().get()); |
| Pool& pool=r.pool(); | r.write_no_lang(ValuePtr(new VInt(vdouble.as_int()))); |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | |
| Value& value=*new(pool) VDouble(pool, vdouble->get_double()); | |
| r.wcontext->write(value, String::Untaint_lang::NO /*always object, not string*/); | |
| } | } |
| static void _inc(Request& r, const String&, Array *params) { | static void _double(Request& r, StringPtr method_name, MethodParams& params) { |
| VDouble *vdouble=static_cast<VDouble *>(r.self); | // just checking (default) syntax validity, never really using it here, just for string.doube compatibility |
| double increment=params->size()? | if(params.count()>0) |
| r.process( | params.as_junction(0, "default must be double"); |
| *static_cast<Value *>(params->get(0)), | |
| 0/*no name*/, | VDouble& vdouble=*static_cast<VDouble *>(r.get_self().get()); |
| false/*don't intercept string*/).get_double():1; | r.write_no_lang(ValuePtr(new VDouble(vdouble.as_double()))); |
| vdouble->inc(increment); | |
| } | } |
| static void _format(Request& r, const String& method_name, Array *params) { | typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); |
| Pool& pool=r.pool(); | |
| Value& fmt=*static_cast<Value *>(params->get(0)); | static void __inc(VDouble& vdouble, double param) { vdouble.inc(param); } |
| // forcing ^format[this param type] | static void __dec(VDouble& vdouble, double param) { vdouble.inc(-param); } |
| r.fail_if_junction_(true, fmt, | static void __mul(VDouble& vdouble, double param) { vdouble.mul(param); } |
| method_name, "fmt must not be junction"); | static void __div(VDouble& vdouble, double param) { vdouble.div(param); } |
| static void __mod(VDouble& vdouble, double param) { vdouble.mod((int)param); } | |
| static void vdouble_op(Request& r, MethodParams& params, | |
| vdouble_op_func_ptr func) { | |
| VDouble& vdouble=*static_cast<VDouble *>(r.get_self().get()); | |
| double param=params.count()? | |
| params.as_double(0, "param must be double", r):1/*used in inc/dec*/; | |
| (*func)(vdouble, param); | |
| } | |
| char *buf=format(pool, r.self->get_double(), fmt.as_string().cstr()); | static void _inc(Request& r, StringPtr /*method_name*/, MethodParams& params) { vdouble_op(r, params, &__inc); } |
| static void _dec(Request& r, StringPtr /*method_name*/, MethodParams& params) { vdouble_op(r, params, &__dec); } | |
| String *string=new(pool) String(pool); | static void _mul(Request& r, StringPtr /*method_name*/, MethodParams& params) { vdouble_op(r, params, &__mul); } |
| r.wcontext->write(string->APPEND_CONST(buf), | static void _div(Request& r, StringPtr /*method_name*/, MethodParams& params) { vdouble_op(r, params, &__div); } |
| String::Untaint_lang::NO /*always object, not string*/); | static void _mod(Request& r, StringPtr /*method_name*/, MethodParams& params) { vdouble_op(r, params, &__mod); } |
| // from string.C | |
| extern | |
| StringPtr sql_result_string(Request& r, StringPtr method_name, MethodParams& params, | |
| HashStringValue*& options, ValuePtr& default_code); | |
| static void _sql(Request& r, StringPtr method_name, MethodParams& params) { | |
| double val; | |
| HashStringValue* options; | |
| ValuePtr default_code; | |
| if(StringPtr string=sql_result_string(r, method_name, params, options, default_code)) | |
| val=string->as_double(); | |
| else | |
| if(default_code) | |
| val=r.process_to_value(default_code)->as_double(); | |
| else { | |
| throw Exception("parser.runtime", | |
| method_name, | |
| "produced no result, but no default option specified"); | |
| val=0; //calm, compiler | |
| } | |
| r.write_no_lang(ValuePtr(new VDouble(val))); | |
| } | } |
| void initialize_double_class(Pool& pool, VClass& vclass) { | // constructor |
| MDouble::MDouble(): Methoded("double") { | |
| // ^double.int[] | // ^double.int[] |
| vclass.add_native_method("int", _int, 0, 0); | add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); |
| // ^double.double[] | // ^double.double[] |
| vclass.add_native_method("double", _double, 0, 0); | add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1); |
| // ^double.inc[] | // ^double.inc[] |
| // ^double.inc[offset] | // ^double.inc[offset] |
| vclass.add_native_method("inc", _inc, 0, 1); | add_native_method("inc", Method::CT_DYNAMIC, _inc, 0, 1); |
| // ^double.dec[] | |
| // ^double.dec[offset] | |
| add_native_method("dec", Method::CT_DYNAMIC, _dec, 0, 1); | |
| // ^double.mul[k] | |
| add_native_method("mul", Method::CT_DYNAMIC, _mul, 1, 1); | |
| // ^double.div[d] | |
| add_native_method("div", Method::CT_DYNAMIC, _div, 1, 1); | |
| // ^double.mod[offset] | |
| add_native_method("mod", Method::CT_DYNAMIC, _mod, 1, 1); | |
| // ^string.format[] | // ^double.format{format} |
| vclass.add_native_method("format", _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); | |
| } | } |