--- parser3/src/classes/double.C	2001/05/21 17:11:57	1.30
+++ parser3/src/classes/double.C	2002/03/27 15:30:33	1.44
@@ -1,11 +1,10 @@
 /** @file
 	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: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
-
-	$Id: double.C,v 1.30 2001/05/21 17:11:57 parser Exp $
+	$Id: double.C,v 1.44 2002/03/27 15:30:33 paf Exp $
 */
 
 #include "classes.h"
@@ -60,10 +59,7 @@ static void vdouble_op(Request& r, Metho
 					   vdouble_op_func_ptr func) {
 	VDouble *vdouble=static_cast<VDouble *>(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);
 }
 
@@ -75,13 +71,26 @@ static void _mod(Request& r, const Strin
 
 // from string.C
 extern 
-String& sql_result_string(Request& r, const String& method_name, MethodParams *params);
+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=sql_result_string(r, method_name, params).as_double();
-
+	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("parser.runtime",
+				&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);
@@ -115,8 +124,8 @@ MDouble::MDouble(Pool& apool) : Methoded
 	// ^double.format{format}
 	add_native_method("format", Method::CT_DYNAMIC, _string_format, 1, 1);
 	
-	// ^double:sql[query]
-	// ^double:sql[query](offset)
+	// ^sql[query]
+	// ^sql[query][$.limit(1) $.offset(2) $.default(0.0)]
 	add_native_method("sql", Method::CT_STATIC, _sql, 1, 2);
 }
 // global variable