--- parser3/src/include/pa_table.h 2002/02/08 07:27:45 1.40 +++ parser3/src/include/pa_table.h 2003/01/23 15:38:06 1.48.2.1 @@ -1,15 +1,15 @@ /** @file Parser: table class decl. - Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://paf.design.ru) - - $Id: pa_table.h,v 1.40 2002/02/08 07:27:45 paf Exp $ + Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef PA_TABLE_H #define PA_TABLE_H +static const char* IDENT_TABLE_H="$Date: 2003/01/23 15:38:06 $"; + #include "pa_types.h" #include "pa_array.h" #include "pa_hash.h" @@ -29,37 +29,37 @@ rows and strings stored are read-only. once stored they can be removed, but not altered. that's handy for quick copying & co. see table:join */ -class Table : public Array { +class Table: public Array > > > { public: - Table(Pool& apool, - const String *aorigin, - const Array *acolumns, - int initial_rows=CR_INITIAL_ROWS_DEFAULT); - Table(const Table& source); + Table( + object_ptr aorigin_string, + object_ptr > acolumns, + int initial_rows=3); + Table(const Table& src, int offset=0, int limit=0); /// where this table came from, may be NULL - const String *origin_string() { return forigin_string; } + object_ptr origin_string() { return forigin_string; } - /// column names - const Array *columns() { return fcolumns; } + /// gets column names + object_ptr > columns() { return fcolumns; } /// moves @a current pointer void set_current(int acurrent) { fcurrent=acurrent; } /// @return current pointer - int current() { return fcurrent; } + int current() const { return fcurrent; } void offset(bool absolute, int offset); /** @return column index from @a column_name. '<0' if no such column - if no such colum conditionally 'bark' + if no such - 'bark' */ - int column_name2index(const String& column, bool bark) const; + int column_name2index(object_ptr column, bool bark) const; /// @return item from @a column const String *item(int column) const; /// @return item from @a column. '0' if no such column - const String *item(const String& column) const { + object_ptr item(object_ptr column) const { int index=column_name2index(column, false); return index>=0?item(index):0; } @@ -70,26 +70,29 @@ public: bool locate(int column, const String& value); bool locate(const String& column, const String& value); - const Array& at(int index) const { - // force @c const result - return *const_cast(static_cast(get(index))); + element_type at(int index) const { + return get(index); } private: // where this table came from, may be NULL - const String *forigin_string; - - // column name->number lookup table - Hash name2number; + object_ptr forigin_string; // current row int fcurrent; // columns - const Array *fcolumns; + object_ptr > fcolumns; + + // column names are already referenced in fcolumns, no need to doublecheck references here + // column name->number lookup table + typedef Hash name2number_hash_class; + object_ptr name2number; + + // we own columns? - bool valid(int index) const { return index>=0 && index=0 && index