--- parser3/src/include/pa_table.h	2001/01/29 15:56:03	1.1
+++ parser3/src/include/pa_table.h	2001/03/28 14:07:16	1.26
@@ -1,5 +1,11 @@
-/*
-  $Id: pa_table.h,v 1.1 2001/01/29 15:56:03 paf Exp $
+/** @file
+	Parser: table class decl.
+
+	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
+
+	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
+
+	$Id: pa_table.h,v 1.26 2001/03/28 14:07:16 paf Exp $
 */
 
 #ifndef PA_TABLE_H
@@ -8,24 +14,81 @@
 #include "pa_types.h"
 #include "pa_array.h"
 #include "pa_hash.h"
+#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:
 
-	// the base origin of table data
-	Origin origin;
+	Table(Pool& apool,
+		const String *aorigin,
+		Array *acolumns,
+		int initial_rows=CR_INITIAL_ROWS_DEFAULT);
+
+	/// where this table came from, may be NULL
+	const String *origin_string() { return forigin_string; }
 
-	// columns order
-	Array *columns_order;
+	/// column names
+	const Array *columns() { return fcolumns; }
+
+	/// moves @a current pointer
+	void set_current(int acurrent) { fcurrent=acurrent; }
+	/// @return current pointer
+	int current() { return fcurrent; }
+	void shift(int offset);
+
+	/// @return item from @a column
+	const String *item(int column) const;
+	/// @return item from @a column
+	const String *item(const String& column) const { 
+		return item(column_name2index(column)); 
+	}
+
+	/// saves to text file
+	void save(bool nameless_save, const String& file_spec);
+
+	bool locate(int column, const String& value);
+	bool locate(const String& column, const String& value) {
+		return locate(column_name2index(column), value);
+	}
+
+private:
+	
+	// where this table came from, may be NULL
+	const String *forigin_string;
 
 	// column name->number lookup table
-	// hence most of tables are "named", no need to uptimize unnamed onces
 	Hash name2number;
 
-	Table(Pool *apool, 
-		char *afile, uint aline, 
-		Array *acolumns, 
-		int initial_rows=CR_INITIAL_ROWS_DEFAULT);
+	// current row
+	int fcurrent;
+
+	// columns
+	Array *fcolumns;
+
+	bool valid(int index) const { return index>=0 && index<size(); }
+
+	const Array& at(int index) const {
+		// force @c const result
+		return *const_cast<const Array *>(static_cast<Array *>(get(index)));
+	}
+
+	/// @return column index from @a column_name
+	int column_name2index(const String& column) const;
+
+
 };
 
 #endif