--- parser3/src/include/pa_table.h	2001/01/30 13:07:31	1.6
+++ parser3/src/include/pa_table.h	2001/03/26 09:53:42	1.22
@@ -1,11 +1,12 @@
-/*
-  $Id: pa_table.h,v 1.6 2001/01/30 13:07:31 paf Exp $
-*/
+/** @file
+	Parser: table class decl.
 
-/*
-	hence most of tables are "named", no need to uptimize unnamed onces
-*/
+	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
 
+	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+
+	$Id: pa_table.h,v 1.22 2001/03/26 09:53:42 paf Exp $
+*/
 
 #ifndef PA_TABLE_H
 #define PA_TABLE_H
@@ -16,34 +17,44 @@
 #include "pa_string.h"
 #include "pa_request.h"
 
+/** 
+	VTable backend.
+
+	holds:
+	- column names[if any]
+	- data rows
+	- current row pointer
+
+	uses String for column names and data items
+
+	hence most of tables are "named", no need to uptimize nameless onces
+*/
 class Table : public Array {
 public:
 
-	Table(Request& arequest,
-		char *afile, uint aline,
+	Table(Pool& apool,
+		const String *aorigin,
 		Array *acolumns,
 		int initial_rows=CR_INITIAL_ROWS_DEFAULT);
 
-	// the base origin of table's data
-	//const Origin& origin() { return forigin; }
+	/// where this table came from, may be NULL
+	const String *origin_string() { return forigin_string; }
 
+	/// column names
 	const Array *columns() { return fcolumns; }
 
+	/// moves @a current pointer
 	void set_current(int acurrent) { fcurrent=acurrent; }
+	/// @return current pointer
 	int get_current() { return fcurrent; }
-	void inc_current() { fcurrent++; }
-
-	void read_item(String& result, const String& column_name) {
-		result.APPEND(item(column_name), forigin.file, forigin.line+fcurrent);
-	}
 
-protected:
+	/// @return item from @a column_name
+	const String *item(const String& column_name);
 
-	// the request I'm processed on. for error reporting
-	Request& request;
-
-	// the base origin of table's data
-	Origin forigin;
+private:
+	
+	// where this table came from, may be NULL
+	const String *forigin_string;
 
 	// column name->number lookup table
 	Hash name2number;
@@ -54,10 +65,13 @@ protected:
 	// columns
 	Array *fcolumns;
 
-	const Array *at(int index);
+	bool valid(int index) { return index>=0 && index<size(); }
+
+	const Array& at(int index);
 
-	const char *item(int column_index);
-	const char *item(const String& column_name);
+	const String *item(int column_index) {
+		return valid(fcurrent)?at(fcurrent).get_string(column_index):0;
+	}
 };
 
 #endif