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/*
* Copyright (c) 2003-2008, 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 CACHE_H
#define CACHE_H
#include "utils.h"
#include "session.h"
#include "journal.h"
#include "account.h"
namespace ledger {
DECLARE_EXCEPTION(cache_error, std::runtime_error);
class binary_cache_t
{
static const unsigned long binary_magic_number = 0xFFEED765;
#if defined(DEBUG_ON)
static const unsigned long format_version = 0x0002060d;
#else
static const unsigned long format_version = 0x0002060c;
#endif
scoped_array<char> item_pool;
std::vector<account_t *> accounts;
account_t::ident_t account_ident;
entry_t * entry_pool; // points into item_pool
std::size_t entry_count;
std::size_t auto_entry_count;
std::size_t period_entry_count;
xact_t * xact_pool; // points into item_pool
std::size_t xact_count;
#if 0
commodity_base_t ** base_commodities; // allocated
commodity_base_t ** base_commodities_next;
uint_fast32_t base_commodity_index;
std::size_t base_commodity_count;
#endif
commodity_t ** commodities; // allocated
commodity_t ** commodities_next;
uint_fast32_t commodity_ident;
std::size_t commodity_count;
char * bigints; // points into item_pool
char * bigints_next;
uint_fast32_t bigints_index;
std::size_t bigints_count;
void read_xact(const char *& data, xact_t * xact);
void write_xact(std::ostream& out, xact_t * xact,
bool ignore_calculated);
void read_entry_base(const char *& data, entry_base_t * entry,
xact_t *& xact_pool, bool& finalize);
void write_entry_base(std::ostream& out, entry_base_t * entry);
void read_entry(const char *& data, entry_t * entry,
xact_t *& xact_pool, bool& finalize);
void write_entry(std::ostream& out, entry_t * entry);
void read_auto_entry(const char *& data, auto_entry_t * entry,
xact_t *& xact_pool);
void write_auto_entry(std::ostream& out, auto_entry_t * entry);
void read_period_entry(const char *& data, period_entry_t * entry,
xact_t *& xact_pool, bool& finalize);
void write_period_entry(std::ostream& out, period_entry_t * entry);
#if 0
commodity_t::base_t * read_commodity_base(const char *& data);
void write_commodity_base(std::ostream& out, commodity_t::base_t * commodity);
void read_commodity_base_extra(const char *& data,
commodity_t::ident_t ident);
void write_commodity_base_extra(std::ostream& out,
commodity_t::base_t * commodity);
#endif
commodity_t * read_commodity(const char *& data);
void write_commodity(std::ostream& out, commodity_t * commodity);
commodity_t * read_commodity_annotated(const char *& data);
void write_commodity_annotated(std::ostream& out,
commodity_t * commodity);
account_t * read_account(const char *& data, account_t * master = NULL);
void write_account(std::ostream& out);
std::size_t read_journal(std::istream& in,
const path& file,
journal_t& journal,
account_t * master);
void write_journal(std::ostream& out,
const journal_t& journal);
public:
binary_cache_t()
: account_ident(0),
#if 0
base_commodity_ident(0),
#endif
commodity_ident(0)
{
}
std::size_t read_session(std::istream& in, const path& file);
void write_session(std::ostream& out, session_t& session);
};
} // namespace ledger
#endif // CACHE_H
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