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/*
* Copyright (c) 2003-2009, John Wiegley. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of New Artisans LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ITEM_H
#define _ITEM_H
#include "utils.h"
#include "scope.h"
namespace ledger {
class item_t : public supports_flags<>, public scope_t
{
public:
#define ITEM_NORMAL 0x00 // no flags at all, a basic transaction
#define ITEM_IN_CACHE 0x01 // transaction allocated by the binary cache
#define ITEM_GENERATED 0x02 // transaction was not found in a journal
#define ITEM_TEMP 0x04 // transaction is a temporary object
enum state_t { UNCLEARED = 0, CLEARED, PENDING };
state_t _state;
optional<date_t> _date;
optional<date_t> _date_eff;
optional<string> note;
unsigned short src_idx;
istream_pos_type beg_pos;
unsigned long beg_line;
istream_pos_type end_pos;
unsigned long end_line;
static bool use_effective_date;
item_t(flags_t _flags = ITEM_NORMAL, const optional<string>& _note = none)
: supports_flags<>(_flags), _state(UNCLEARED), note(_note),
beg_pos(0), beg_line(0), end_pos(0), end_line(0)
{
TRACE_CTOR(item_t, "flags_t, const string&");
}
item_t(const item_t& item) : supports_flags<>(), scope_t()
{
TRACE_CTOR(item_t, "copy");
copy_details(item);
}
virtual ~item_t() {
TRACE_DTOR(item_t);
}
void copy_details(const item_t& item)
{
set_flags(item.flags());
set_state(item.state());
_date = item._date;
_date_eff = item._date_eff;
note = item.note;
beg_pos = item.beg_pos;
beg_line = item.beg_line;
end_pos = item.end_pos;
end_line = item.end_line;
}
virtual bool operator==(const item_t& entry) {
return this == &entry;
}
virtual bool operator!=(const item_t& entry) {
return ! (*this == entry);
}
virtual optional<date_t> actual_date() const {
return _date;
}
virtual optional<date_t> effective_date() const {
return _date_eff;
}
optional<date_t> date() const {
if (use_effective_date && _date_eff)
return effective_date();
else
return actual_date();
}
void set_state(state_t new_state) {
_state = new_state;
}
virtual state_t state() const {
return _state;
}
virtual expr_t::ptr_op_t lookup(const string& name);
bool valid() const;
};
} // namespace ledger
#endif // _ITEM_H
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