--- parser3/src/classes/int.C 2001/04/28 15:22:38 1.22 +++ parser3/src/classes/int.C 2002/04/10 09:53:14 1.43 @@ -1,11 +1,10 @@ /** @file Parser: @b int parser class. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) - Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: int.C,v 1.22 2001/04/28 15:22:38 paf Exp $ + $Id: int.C,v 1.43 2002/04/10 09:53:14 paf Exp $ */ #include "classes.h" @@ -26,23 +25,32 @@ void _string_format(Request& r, const St class MInt : public Methoded { public: MInt(Pool& pool); - bool used_directly() { return false; } +public: // Methoded + bool used_directly() { return true; } }; // methods -static void _int(Request& r, const String&, MethodParams *) { +static void _int(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); + Value *default_code=params->size()>0? + default_code=¶ms->as_junction(0, "default must be int"):0; // (default) + VInt *vint=static_cast(r.self); - Value& value=*new(pool) VInt(pool, vint->get_int()); - r.write_no_lang(value); + Value& result=*new(pool) VInt(pool, vint->get_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 *params) { Pool& pool=r.pool(); + Value *default_code=params->size()>0? + default_code=¶ms->as_junction(0, "default must be double"):0; // (default) + VInt *vint=static_cast(r.self); - Value& value=*new(pool) VDouble(pool, vint->as_double()); - r.write_no_lang(value); + Value& result=*new(pool) VDouble(pool, vint->as_double()); + result.set_name(method_name); + r.write_no_lang(result); } typedef void (*vint_op_func_ptr)(VInt& vint, double param); @@ -56,11 +64,7 @@ static void __mod(VInt& vint, double par static void vint_op(Request& r, MethodParams *params, vint_op_func_ptr func) { VInt *vint=static_cast(r.self); - double param=params->size()? - r.process( - params->get(0), - 0/*no name*/, - false/*don't intercept string*/).as_double():1; + double param=params->size()?params->as_double(0, "param must be numerical", r):1; (*func)(*vint, param); } @@ -70,6 +74,33 @@ static void _mul(Request& r, const Strin 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_to_value(*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) { @@ -77,10 +108,10 @@ MInt::MInt(Pool& apool) : Methoded(apool // ^int.int[] - add_native_method("int", Method::CT_DYNAMIC, _int, 0, 0); + add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1); // ^int.double[] - add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0); + add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1); // ^int.inc[] // ^int.inc[offset] @@ -98,6 +129,10 @@ MInt::MInt(Pool& apool) : Methoded(apool // ^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