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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 _JOURNAL_H
#define _JOURNAL_H
#include "utils.h"
#include "hooks.h"
#include "entry.h"
namespace ledger {
typedef std::list<path> paths_list;
class session_t;
class account_t;
class journal_t : public noncopyable
{
public:
account_t * master;
account_t * basket;
entries_list entries;
paths_list sources;
optional<path> price_db;
auto_entries_list auto_entries;
period_entries_list period_entries;
hooks_t<entry_finalizer_t, entry_t> entry_finalize_hooks;
journal_t();
~journal_t();
// These four methods are delegated to the current session, since all
// accounts processed are gathered together at the session level.
void add_account(account_t * acct);
bool remove_account(account_t * acct);
account_t * find_account(const string& name, bool auto_create = true);
account_t * find_account_re(const string& regexp);
bool add_entry(entry_t * entry);
bool remove_entry(entry_t * entry);
void add_entry_finalizer(entry_finalizer_t * finalizer) {
entry_finalize_hooks.add_hook(finalizer);
}
void remove_entry_finalizer(entry_finalizer_t * finalizer) {
entry_finalize_hooks.remove_hook(finalizer);
}
/**
* @brief Provides an abstract interface for writing journal parsers.
*
* Any data format for Ledger data is possible, as long as it can be parsed
* into a journal_t data tree. This class provides the basic interface which
* must be implemented by every such journal parser.
*/
class parser_t : public noncopyable
{
public:
parser_t() {
TRACE_CTOR(journal_t::parser_t, "");
}
virtual ~parser_t() {
TRACE_DTOR(journal_t::parser_t);
}
virtual bool test(std::istream& in) const = 0;
virtual std::size_t parse(std::istream& in,
session_t& session,
journal_t& journal,
account_t * master = NULL,
const path * original_file = NULL) = 0;
};
class binary_parser_t : public parser_t
{
public:
virtual bool test(std::istream& in) const;
virtual std::size_t parse(std::istream& in,
session_t& session,
journal_t& journal,
account_t * master = NULL,
const path * original_file = NULL);
};
bool valid() const;
};
extern const string version;
} // namespace ledger
#endif // _JOURNAL_H
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