--- parser3/src/classes/double.C 2001/05/04 10:42:35 1.26 +++ parser3/src/classes/double.C 2001/11/05 11:46:20 1.41 @@ -2,10 +2,9 @@ Parser: @b double parser class. Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexander Petrosyan (http://paf.design.ru) - Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: double.C,v 1.26 2001/05/04 10:42:35 paf Exp $ + $Id: double.C,v 1.41 2001/11/05 11:46:20 paf Exp $ */ #include "classes.h" @@ -27,23 +26,25 @@ class MDouble : public Methoded { public: MDouble(Pool& pool); public: // Methoded - bool used_directly() { return false; } + bool used_directly() { return true; } }; // methods -static void _int(Request& r, const String&, MethodParams *) { +static void _int(Request& r, const String& method_name, MethodParams *) { Pool& pool=r.pool(); VDouble *vdouble=static_cast(r.self); - Value& value=*new(pool) VInt(pool, (int)vdouble->as_double()); - r.write_no_lang(value); + Value& result=*new(pool) VInt(pool, vdouble->as_int()); + 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(); VDouble *vdouble=static_cast(r.self); - Value& value=*new(pool) VDouble(pool, vdouble->as_double()); - r.write_no_lang(value); + Value& result=*new(pool) VDouble(pool, vdouble->as_double()); + result.set_name(method_name); + r.write_no_lang(result); } typedef void (*vdouble_op_func_ptr)(VDouble& vdouble, double param); @@ -58,10 +59,7 @@ static void vdouble_op(Request& r, Metho vdouble_op_func_ptr func) { VDouble *vdouble=static_cast(r.self); double param=params->size()? - r.process( - params->get(0), - 0/*no name*/, - false/*don't intercept string*/).as_double():1/*used in inc/dec*/; + params->as_double(0, "param must be double", r):1/*used in inc/dec*/; (*func)(*vdouble, param); } @@ -71,11 +69,39 @@ static void _mul(Request& r, const Strin 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); } +// 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)); + // ^double.int[] add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); @@ -97,6 +123,10 @@ MDouble::MDouble(Pool& apool) : Methoded // ^double.format{format} 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