records.cpp

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//PK 2007/02/10 - 03/01
//PK Recite

#include "stdafx.h"
#include "Records.h"

CRecords::CRecords() : _is_dirty(false)
{	//PK 2007/02/13
}
CRecords::~CRecords()
{	//PK 2007/03/09
	t_infos::iterator itr = _infos.begin(), itr_end = _infos.end();
	for (; itr != itr_end; ++itr) delete itr->second;
	_infos.clear();
}
void CRecords::file_name(fs::path fn)
{	//PK 2007/02/20
	if (!fs::exists(fn)) {
		fs::path dir = fn.branch_path();
		if (!fs::exists(dir)) fs::create_directories(dir);
	}
	_file_name = fn; 
}
bool CRecords::load()
{	//PK 2007/02/10 - 20
	if (!fs::exists(_file_name)) return false;
	fs::ifstream ifs(_file_name);
	ar::text_iarchive ia(ifs);
	CRecords & records = *this;
	ia >> records;
	return true;
}
bool CRecords::save()
{	//PK 2007/02/10 - 14
	if (!_is_dirty) return true;
	fs::ofstream ofs(_file_name);
	ar::text_oarchive oa(ofs);
	const CRecords & records = *this;
	oa << records;
	return true;
}
CItemInfo * CRecords::get_info(const string & name)
{	//PK 2007/02/13 - 03/09
	//_print();
	t_infos::iterator	itr = _infos.find(name);
	if (itr == _infos.end()) {	
		//PK create a new item_info object
		CItemInfo * info = new CItemInfo;
		_infos[name] = info;
		_is_dirty = true;
	}
	itr = _infos.find(name);
	//_print();
	return itr->second;
}
void CRecords::_print() const
{	//PK 2007/02/22
	stringstream size;
	size << "size:" << _infos.size() << std::endl;
	OutputDebugString(size.str().c_str());
	t_infos::const_iterator itr = _infos.begin(), itr_end = _infos.end();
	for (; itr != itr_end; ++itr) {
		stringstream pro;
		pro << itr->first << "  " << itr->second->times() << std::endl;
		OutputDebugString(pro.str().c_str());
	}
}
void CRecords::trim(t_names & names)
{	//PK 2007/02/26
	//PK delete the redundant recorders
	assert(names.size() < _infos.size());
	t_infos::iterator itr = _infos.begin(), itr_end = _infos.end();
	t_names::iterator no_name = names.end();
	for (; itr != itr_end;) {
		if (no_name == names.find(itr->first)) _infos.erase(itr++);
		else ++itr;
	}
	dirty();
	assert(names.size() == _infos.size());
}
bool CRecords::remove_info(const string & title)
{	//PK 2007/03/05
	t_infos::iterator itr = _infos.find(title);
	if (itr == _infos.end()) return false;
	_infos.erase(itr);
	dirty();
	return true;
}
void CRecords::change_record_name(const string & src, const string & tar)
{	//PK 2007/03/08
	t_infos::iterator itr = _infos.find(src);
	if (itr == _infos.end()) return;
	_infos[tar] = itr->second;
	_infos.erase(itr);
}