--- parser3/src/classes/double.C	2001/05/21 16:55:52	1.29
+++ parser3/src/classes/double.C	2002/04/09 06:47:05	1.45
@@ -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 1.29 2001/05/21 16:55:52 parser Exp $
+	$Id: double.C,v 1.45 2002/04/09 06:47:05 paf Exp $
 */
 
 #include "classes.h"
@@ -27,21 +26,27 @@ 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& method_name, MethodParams *) {
+static void _int(Request& r, const String& method_name, MethodParams *params) {
 	Pool& pool=r.pool();
+	Value *default_code=params->size()>0?
+		default_code=&params->as_junction(0, "default must be int"):0; // (default)
+
 	VDouble *vdouble=static_cast<VDouble *>(r.self);
 	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& method_name, MethodParams *) {
+static void _double(Request& r, const String& method_name, MethodParams *params) {
 	Pool& pool=r.pool();
+	Value *default_code=params->size()>0?
+		default_code=&params->as_junction(0, "default must be double"):0; // (default)
+
 	VDouble *vdouble=static_cast<VDouble *>(r.self);
 	Value& result=*new(pool) VDouble(pool, vdouble->as_double());
 	result.set_name(method_name);
@@ -60,10 +65,7 @@ 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 +77,26 @@ 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);
@@ -92,11 +107,12 @@ static void _sql(Request& r, const Strin
 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);
+	add_native_method("int", Method::CT_DYNAMIC, _int, 0, 1);
 
 	// ^double.double[]
-	add_native_method("double", Method::CT_DYNAMIC, _double, 0, 0);
+	add_native_method("double", Method::CT_DYNAMIC, _double, 0, 1);
 	
 	// ^double.inc[] 
 	// ^double.inc[offset]
@@ -114,8 +130,8 @@ 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