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author | John Wiegley <johnw@newartisans.com> | 2008-08-05 13:17:04 -0400 |
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committer | John Wiegley <johnw@newartisans.com> | 2008-08-05 18:05:49 -0400 |
commit | f6f4a46cf5b14f9a2170cd6475958efbf320caec (patch) | |
tree | 05bc1defcdebc201de3dd10477483d906a842821 /src/session.h | |
parent | b7970b29855563e4c67f85af8b31233eda80c22a (diff) | |
download | fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.tar.gz fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.tar.bz2 fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.zip |
Moved around most of the files so that source code is in src/, documentation
is in doc/, etc.
Diffstat (limited to 'src/session.h')
-rw-r--r-- | src/session.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/session.h b/src/session.h new file mode 100644 index 00000000..dc78d6f5 --- /dev/null +++ b/src/session.h @@ -0,0 +1,255 @@ +/* + * 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 _SESSION_H +#define _SESSION_H + +#include "scope.h" +#include "journal.h" +#include "account.h" +#include "format.h" + +namespace ledger { + +class report_t; + +class session_t : public noncopyable, public scope_t +{ + static void initialize(); + static void shutdown(); + + friend void set_session_context(session_t * session); + friend void release_session_context(); + +public: + static session_t * current; + + scoped_ptr<report_t> current_report; + + path data_file; + optional<path> init_file; + optional<path> cache_file; + optional<path> price_db; + + string register_format; + string wide_register_format; + string print_format; + string balance_format; + string equity_format; + string plot_amount_format; + string plot_total_format; + string write_hdr_format; + string write_xact_format; + string prices_format; + string pricesdb_format; + + unsigned long pricing_leeway; + + bool download_quotes; + bool use_cache; + bool cache_dirty; + + datetime_t now; + date_t today; + + format_t::elision_style_t elision_style; + int abbrev_length; + + bool ansi_codes; + bool ansi_invert; + + ptr_list<journal_t> journals; + ptr_list<journal_t::parser_t> parsers; + scoped_ptr<commodity_pool_t> commdity_pool; + scoped_ptr<account_t> master; + mutable accounts_map accounts_cache; + + session_t(); + virtual ~session_t(); + + journal_t * create_journal() { + journal_t * journal = new journal_t(this); + journals.push_back(journal); + return journal; + } + void close_journal(journal_t * journal) { + for (ptr_list<journal_t>::iterator i = journals.begin(); + i != journals.end(); + i++) + if (&*i == journal) { + journals.erase(i); + return; + } + assert(false); + checked_delete(journal); + } + + std::size_t read_journal(journal_t& journal, + std::istream& in, + const path& pathname, + account_t * master = NULL); + std::size_t read_journal(journal_t& journal, + const path& pathname, + account_t * master = NULL); + + void read_init(); + + std::size_t read_data(journal_t& journal, + const string& master_account = ""); + + void register_parser(journal_t::parser_t * parser) { + parsers.push_back(parser); + } + void unregister_parser(journal_t::parser_t * parser) { + for (ptr_list<journal_t::parser_t>::iterator i = parsers.begin(); + i != parsers.end(); + i++) + if (&*i == parser) { + parsers.erase(i); + return; + } + assert(false); + checked_delete(parser); + } + + // + // Dealing with accounts + // + + void add_account(account_t * acct) { + master->add_account(acct); + } + bool remove_account(account_t * acct) { + return master->remove_account(acct); + } + + account_t * find_account(const string& name, bool auto_create = true) { + accounts_map::iterator c = accounts_cache.find(name); + if (c != accounts_cache.end()) + return (*c).second; + + account_t * account = master->find_account(name, auto_create); + accounts_cache.insert(accounts_map::value_type(name, account)); + return account; + } + account_t * find_account_re(const string& regexp); + + void clean_accounts(); + + void clean_xacts(); + void clean_xacts(entry_t& entry); + + // + // Scope members + // + + virtual expr_t::ptr_op_t lookup(const string& name); + + // + // Help options + // + + value_t option_version(scope_t&) { + std::cout << "Ledger " << ledger::version << ", the command-line accounting tool"; + std::cout << "\n\nCopyright (c) 2003-2008, John Wiegley. All rights reserved.\n\n\ +This program is made available under the terms of the BSD Public License.\n\ +See LICENSE file included with the distribution for details and disclaimer.\n"; + std::cout << "\n(modules: gmp, pcre"; +#if defined(HAVE_EXPAT) || defined(HAVE_XMLPARSE) + std::cout << ", xml"; +#endif +#ifdef HAVE_LIBOFX + std::cout << ", ofx"; +#endif + std::cout << ")\n"; + return NULL_VALUE; + } + + // + // Debug options + // + + value_t option_trace_(scope_t&) { + return NULL_VALUE; + } + value_t option_debug_(scope_t&) { + return NULL_VALUE; + } + value_t option_verify(scope_t&) { + return NULL_VALUE; + } + + value_t option_verbose(scope_t&) { +#if defined(LOGGING_ON) + if (_log_level < LOG_INFO) + _log_level = LOG_INFO; +#endif + return NULL_VALUE; + } + + // + // Option handlers + // + + value_t option_file_(call_scope_t& args) { + assert(args.size() == 1); + data_file = args[0].as_string(); + return NULL_VALUE; + } + +#if 0 +#if defined(USE_BOOST_PYTHON) + value_t option_import_(call_scope_t& args) { + python_import(optarg); + return NULL_VALUE; + } + value_t option_import_stdin(call_scope_t& args) { + python_eval(std::cin, PY_EVAL_MULTI); + return NULL_VALUE; + } +#endif +#endif +}; + +/** + * This sets the current session context, transferring all static + * globals to point at the data structures related to this session. + * Although Ledger itself is not thread-safe, by locking, switching + * session context, then unlocking after the operation is done, + * multiple threads can sequentially make use of the library. Thus, a + * session_t maintains all of the information relating to a single + * usage of the Ledger library. + */ +void set_session_context(session_t * session = NULL); + +} // namespace ledger + +#endif // _SESSION_H |