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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.
*/
#include "session.h"
#include "report.h"
#include "iterators.h"
#include "filters.h"
namespace ledger {
void set_session_context(session_t * session)
{
if (session) {
amount_t::initialize(session->commodity_pool);
// jww (2009-02-04): Is amount_t the right place for parse_conversion to
// happen?
amount_t::parse_conversion("1.0m", "60s");
amount_t::parse_conversion("1.0h", "60m");
value_t::initialize();
}
else if (! session) {
value_t::shutdown();
amount_t::shutdown();
}
}
session_t::session_t()
: flush_on_next_data_file(false),
current_year(CURRENT_DATE().year()),
commodity_pool(new commodity_pool_t),
master(new account_t(NULL, "")),
journal(new journal_t(master.get()))
{
TRACE_CTOR(session_t, "");
if (const char * home_var = std::getenv("HOME"))
HANDLER(price_db_).on((path(home_var) / ".pricedb").string());
else
HANDLER(price_db_).on(path("./.pricedb").string());
// Add time commodity conversions, so that timelog's may be parsed
// in terms of seconds, but reported as minutes or hours.
if (commodity_t * commodity = commodity_pool->create("s"))
commodity->add_flags(COMMODITY_BUILTIN | COMMODITY_NOMARKET);
else
assert(false);
}
std::size_t session_t::read_journal(std::istream& in,
const path& pathname,
account_t * master)
{
if (! master)
master = journal->master;
return journal->parse(in, *this, master, &pathname);
}
std::size_t session_t::read_journal(const path& pathname,
account_t * master)
{
if (! exists(pathname))
throw_(std::logic_error, "Cannot read file" << pathname);
ifstream stream(pathname);
return read_journal(stream, pathname, master);
}
std::size_t session_t::read_data(const string& master_account)
{
if (HANDLER(file_).data_files.empty())
throw_(parse_error, "No journal file was specified (please use -f)");
std::size_t entry_count = 0;
if (entry_count == 0) {
account_t * acct = journal->master;
if (! master_account.empty())
acct = journal->find_account(master_account);
if (HANDLED(price_db_) && exists(path(HANDLER(price_db_).str()))) {
if (read_journal(HANDLER(price_db_).str()))
throw_(parse_error, "Entries not allowed in price history file");
}
foreach (const path& pathname, HANDLER(file_).data_files) {
if (pathname == "-") {
// To avoid problems with stdin and pipes, etc., we read the entire
// file in beforehand into a memory buffer, and then parcel it out
// from there.
std::ostringstream buffer;
while (std::cin.good() && ! std::cin.eof()) {
char line[8192];
std::cin.read(line, 8192);
std::streamsize count = std::cin.gcount();
buffer.write(line, count);
}
buffer.flush();
std::istringstream buf_in(buffer.str());
entry_count += read_journal(buf_in, "/dev/stdin", acct);
}
else if (exists(pathname)) {
entry_count += read_journal(pathname, acct);
}
else {
throw_(parse_error, "Could not open journal file '" << pathname << "'");
}
}
}
VERIFY(journal->valid());
return entry_count;
}
void session_t::clean_xacts()
{
session_xacts_iterator walker(*this);
pass_down_xacts(xact_handler_ptr(new clear_xact_xdata), walker);
}
void session_t::clean_xacts(entry_t& entry)
{
entry_xacts_iterator walker(entry);
pass_down_xacts(xact_handler_ptr(new clear_xact_xdata), walker);
}
void session_t::clean_accounts()
{
basic_accounts_iterator acct_walker(*master);
pass_down_accounts(acct_handler_ptr(new clear_account_xdata), acct_walker);
master->clear_xdata();
}
option_t<session_t> * session_t::lookup_option(const char * p)
{
switch (*p) {
case 'a':
OPT_(account_); // -a
break;
case 'd':
OPT(download); // -Q
break;
case 'f':
OPT_(file_); // -f
break;
case 'i':
OPT(input_date_format_);
break;
case 'p':
OPT(price_db_);
break;
case 'Q':
OPT_CH(download); // -Q
break;
}
return NULL;
}
expr_t::ptr_op_t session_t::lookup(const string& name)
{
const char * p = name.c_str();
switch (*p) {
case 'o':
if (WANT_OPT()) { p += OPT_PREFIX_LEN;
if (option_t<session_t> * handler = lookup_option(p))
return MAKE_OPT_HANDLER(session_t, handler);
}
break;
}
return NULL;
}
} // namespace ledger
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