--- parser3/src/include/pa_table.h 2001/01/29 15:56:03 1.1 +++ parser3/src/include/pa_table.h 2001/03/26 09:53:42 1.22 @@ -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 (http://design.ru/paf) + + $Id: pa_table.h,v 1.22 2001/03/26 09:53:42 paf Exp $ */ #ifndef PA_TABLE_H @@ -8,24 +14,64 @@ #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); - // columns order - Array *columns_order; + /// 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; } + + /// @return item from @a column_name + const String *item(const String& column_name); + +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) { return index>=0 && index