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/*
* Copyright (c) 2003-2017, 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.
*/
/**
* @defgroup data Data representation
*/
/**
* @file item.h
* @author John Wiegley
*
* @ingroup data
*/
#ifndef _ITEM_H
#define _ITEM_H
#include "scope.h"
namespace ledger {
struct position_t
{
path pathname;
istream_pos_type beg_pos;
std::size_t beg_line;
istream_pos_type end_pos;
std::size_t end_line;
std::size_t sequence;
position_t()
: beg_pos(0), beg_line(0), end_pos(0), end_line(0), sequence(0) {
TRACE_CTOR(position_t, "");
}
position_t(const position_t& pos) {
*this = pos;
TRACE_CTOR(position_t, "copy");
}
~position_t() throw() {
TRACE_DTOR(position_t);
}
position_t& operator=(const position_t& pos) {
if (this != &pos) {
pathname = pos.pathname;
beg_pos = pos.beg_pos;
beg_line = pos.beg_line;
end_pos = pos.end_pos;
end_line = pos.end_line;
sequence = pos.sequence;
}
return *this;
}
};
class item_t : public supports_flags<uint_least16_t>, public scope_t
{
public:
#define ITEM_NORMAL 0x00 // no flags at all, a basic posting
#define ITEM_GENERATED 0x01 // posting was not found in a journal
#define ITEM_TEMP 0x02 // posting is a managed temporary
#define ITEM_NOTE_ON_NEXT_LINE 0x04 // did we see a note on the next line?
enum state_t { UNCLEARED = 0, CLEARED, PENDING };
typedef std::pair<optional<value_t>, bool> tag_data_t;
typedef std::map<string, tag_data_t,
std::function<bool(string, string)> > string_map;
state_t _state;
optional<date_t> _date;
optional<date_t> _date_aux;
optional<string> note;
optional<position_t> pos;
optional<string_map> metadata;
item_t(flags_t _flags = ITEM_NORMAL, const optional<string>& _note = none)
: supports_flags<uint_least16_t>(_flags), _state(UNCLEARED), note(_note)
{
TRACE_CTOR(item_t, "flags_t, const string&");
}
item_t(const item_t& item) : supports_flags<uint_least16_t>(), scope_t()
{
copy_details(item);
TRACE_CTOR(item_t, "copy");
}
virtual ~item_t() {
TRACE_DTOR(item_t);
}
virtual void copy_details(const item_t& item)
{
set_flags(item.flags());
set_state(item.state());
_date = item._date;
_date_aux = item._date_aux;
note = item.note;
pos = item.pos;
metadata = item.metadata;
}
virtual bool operator==(const item_t& xact) {
return this == &xact;
}
virtual bool operator!=(const item_t& xact) {
return ! (*this == xact);
}
string id() const {
if (optional<value_t> ref = get_tag(_("UUID"))) {
return ref->to_string();
} else {
std::ostringstream buf;
buf << seq();
return buf.str();
}
}
std::size_t seq() const {
return pos ? pos->sequence : 0L;
}
virtual bool has_tag(const string& tag,
bool inherit = true) const;
virtual bool has_tag(const mask_t& tag_mask,
const optional<mask_t>& value_mask = none,
bool inherit = true) const;
virtual optional<value_t> get_tag(const string& tag,
bool inherit = true) const;
virtual optional<value_t> get_tag(const mask_t& tag_mask,
const optional<mask_t>& value_mask = none,
bool inherit = true) const;
virtual string_map::iterator
set_tag(const string& tag,
const optional<value_t>& value = none,
const bool overwrite_existing = true);
virtual void parse_tags(const char * p,
scope_t& scope,
bool overwrite_existing = true);
virtual void append_note(const char * p,
scope_t& scope,
bool overwrite_existing = true);
static bool use_aux_date;
virtual bool has_date() const {
return static_cast<bool>(_date);
}
virtual date_t date() const {
assert(_date);
if (use_aux_date)
if (optional<date_t> aux = aux_date())
return *aux;
return *_date;
}
virtual date_t primary_date() const {
assert(_date);
return *_date;
}
virtual optional<date_t> aux_date() const {
return _date_aux;
}
void set_state(state_t new_state) {
_state = new_state;
}
virtual state_t state() const {
return _state;
}
virtual void define(const symbol_t::kind_t, const string&,
expr_t::ptr_op_t);
virtual expr_t::ptr_op_t lookup(const symbol_t::kind_t kind,
const string& name);
bool valid() const;
};
value_t get_comment(item_t& item);
void print_item(std::ostream& out, const item_t& item,
const string& prefix = "");
string item_context(const item_t& item, const string& desc);
void put_metadata(property_tree::ptree& pt, const item_t::string_map& metadata);
} // namespace ledger
#endif // _ITEM_H
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