--- parser3/src/include/pa_table.h 2001/03/10 16:34:35 1.9 +++ parser3/src/include/pa_table.h 2001/03/26 09:53:42 1.22 @@ -1,16 +1,13 @@ -/* - Parser +/** @file + Parser: table class decl. + Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan - $Id: pa_table.h,v 1.9 2001/03/10 16:34:35 paf Exp $ -*/ + Author: Alexander Petrosyan (http://design.ru/paf) -/* - hence most of tables are "named", no need to uptimize unnamed onces + $Id: pa_table.h,v 1.22 2001/03/26 09:53:42 paf Exp $ */ - #ifndef PA_TABLE_H #define PA_TABLE_H @@ -20,34 +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), 0/*TODO:think about*/, 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; @@ -58,10 +65,13 @@ protected: // columns Array *fcolumns; + bool valid(int index) { return index>=0 && index