--- parser3/src/classes/table.C	2001/10/23 14:43:44	1.128
+++ parser3/src/classes/table.C	2001/11/23 12:56:37	1.134
@@ -2,9 +2,9 @@
 	Parser: @b table parser class.
 
 	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
 
-	$Id: table.C,v 1.128 2001/10/23 14:43:44 parser Exp $
+	$Id: table.C,v 1.134 2001/11/23 12:56:37 paf Exp $
 */
 
 #include "classes.h"
@@ -38,10 +38,9 @@ public: // Methoded
 static void _set(Request& r, const String& method_name, MethodParams *params) {
 	Pool& pool=r.pool();
 	// data is last parameter
-	Value& vdata=params->as_junction(params->size()-1, "body must be code");
-
 	Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
-	const String& data=r.process(vdata).as_string();
+	const String& data=
+		r.process(params->as_junction(params->size()-1, "body must be code")).as_string();
 
 	size_t pos_after=0;
 	// parse columns
@@ -129,6 +128,7 @@ static void _load(Request& r, const Stri
 	static_cast<VTable *>(r.self)->set_table(table);
 }
 
+/// @todo "z\nz" "zzz""zz"
 static void _save(Request& r, const String& method_name, MethodParams *params) {
 	Pool& pool=r.pool();
 	Value& vfile_name=params->as_no_junction(params->size()-1, 
@@ -136,8 +136,9 @@ static void _save(Request& r, const Stri
 
 	Table& table=static_cast<VTable *>(r.self)->table();
 
+	bool do_append=false;
 	String sdata(pool);
-	if(params->size()==1) { // not nameless=named output
+	if(params->size()==1) { // named output
 		// write out names line
 		if(table.columns()) { // named table
 			Array_iter i(*table.columns());
@@ -158,6 +159,17 @@ static void _save(Request& r, const Stri
 				sdata.APPEND_CONST("empty nameless table");
 		}
 		sdata.APPEND_CONST("\n");
+	} else { // mode specified
+		const String& mode=params->as_string(0, "mode must be string");
+		if(mode=="append")
+			do_append=true;
+		else if(mode=="nameless")
+			/*ok, already skipped names output*/;
+		else
+			throw Exception(0, 0,
+				&mode,
+				"unknown mode, must be 'append'");
+
 	}
 	// data lines
 	Array_iter i(table);
@@ -174,7 +186,7 @@ static void _save(Request& r, const Stri
 
 	// write
 	file_write(pool, r.absolute(vfile_name.as_string()), 
-		sdata.cstr(), sdata.size(), true);
+		sdata.cstr(), sdata.size(), true, do_append);
 }
 
 static void _count(Request& r, const String& method_name, MethodParams *) {
@@ -195,8 +207,21 @@ static void _offset(Request& r, const St
 	Pool& pool=r.pool();
 	Table& table=static_cast<VTable *>(r.self)->table();
 	if(params->size()) {
-		Value& offset_expr=params->as_junction(0, "offset must be expression");
-		table.shift(r.process(offset_expr).as_int());
+		bool absolute=false;
+		if(params->size()>1) {
+		    const String& whence=params->as_string(0, "whence must be string");
+		    if(whence=="cur")
+				absolute=false;
+		    else if(whence=="set")
+				absolute=true;
+		    else
+				throw Exception(0, 0,
+					&whence,
+					"is invalid whence, valid are 'cur' or 'set'");
+		}		    
+		
+		Value& offset_expr=params->as_junction(params->size()-1, "offset must be expression");
+		table.offset(absolute, r.process(offset_expr).as_int());
 	} else {
 		Value& value=*new(pool) VInt(pool, table.current());
 		value.set_name(method_name);
@@ -400,7 +425,8 @@ static void _flip(Request& r, const Stri
 
 static void _append(Request& r, const String& method_name, MethodParams *params) {
 	Pool& pool=r.pool();
-	// data is last parameter
+	// data
+	Temp_lang temp_lang(r, String::UL_PASS_APPENDED);
 	const String& string=
 		r.process(params->as_junction(0, "body must be code")).as_string();
 
@@ -454,7 +480,7 @@ public:
 		statement_string(astatement_string),
 		statement_cstr(astatement_cstr),
 		columns(*new(pool) Array(pool)),
-		row(0), row_index(0),
+		row(0), 
 		table(0)
 	{
 	}
@@ -477,7 +503,7 @@ public:
 		if(size)
 			cell->APPEND_TAINTED(
 				(const char *)ptr, size, 
-				statement_cstr, row_index++);
+				statement_cstr, table->size()-1);
 		(*row)+=cell;
 	}
 
@@ -487,7 +513,6 @@ private:
 	const String& statement_string; const char *statement_cstr;
 	Array& columns;
 	Array *row;
-	uint row_index;
 public:
 	Table *table;
 };
@@ -589,8 +614,9 @@ MTable::MTable(Pool& apool) : Methoded(a
 	add_native_method("line", Method::CT_DYNAMIC, _line, 0, 0);
 
 	// ^table.offset[]  
-	// ^table.offset[offset]
-	add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 1);
+	// ^table.offset(offset)
+	// ^table.offset[cur|set](offset)
+	add_native_method("offset", Method::CT_DYNAMIC, _offset, 0, 2);
 
 	// ^table.menu{code}  
 	// ^table.menu{code}[delim]