ledger/src/precmd.cc

260 lines
7.6 KiB
C++

/*
* 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 <system.hh>
#include "precmd.h"
#include "xact.h"
#include "post.h"
#include "account.h"
#include "session.h"
#include "report.h"
#include "format.h"
namespace ledger {
namespace {
post_t * get_sample_xact(report_t& report)
{
{
string str;
{
std::ostringstream buf;
buf << "2004/05/27 Book Store\n"
<< " ; This note applies to all postings. :SecondTag:\n"
<< " Expenses:Books 20 BOOK @ $10\n"
<< " ; Metadata: Some Value\n"
<< " ; :ExampleTag:\n"
<< " ; Here follows a note describing the posting.\n"
<< " Liabilities:MasterCard $-200.00\n";
str = buf.str();
}
std::ostream& out(report.output_stream);
out << _("--- Context is first posting of the following transaction ---")
<< std::endl << str << std::endl;
{
std::istringstream in(str);
report.session.journal->parse(in, report.session);
report.session.clean_accounts();
}
}
xact_t * first = report.session.journal->xacts.front();
return first->posts.front();
}
}
value_t parse_command(call_scope_t& args)
{
string arg = join_args(args);
if (arg.empty()) {
throw std::logic_error(_("Usage: parse TEXT"));
return 1L;
}
report_t& report(find_scope<report_t>(args));
std::ostream& out(report.output_stream);
post_t * post = get_sample_xact(report);
out << _("--- Input expression ---") << std::endl;
out << arg << std::endl;
out << std::endl << _("--- Text as parsed ---") << std::endl;
expr_t expr(arg);
expr.print(out);
out << std::endl;
out << std::endl << _("--- Expression tree ---") << std::endl;
expr.dump(out);
bind_scope_t bound_scope(args, *post);
expr.compile(bound_scope);
out << std::endl << _("--- Compiled tree ---") << std::endl;
expr.dump(out);
out << std::endl << _("--- Calculated value ---") << std::endl;
value_t result(expr.calc());
result.strip_annotations(report.what_to_keep()).dump(out);
out << std::endl;
return NULL_VALUE;
}
value_t eval_command(call_scope_t& args)
{
report_t& report(find_scope<report_t>(args));
expr_t expr(join_args(args));
value_t result(expr.calc(args).strip_annotations(report.what_to_keep()));
if (! result.is_null())
report.output_stream << result << std::endl;
return NULL_VALUE;
}
value_t format_command(call_scope_t& args)
{
string arg = join_args(args);
if (arg.empty()) {
throw std::logic_error(_("Usage: format TEXT"));
return 1L;
}
report_t& report(find_scope<report_t>(args));
std::ostream& out(report.output_stream);
post_t * post = get_sample_xact(report);
out << _("--- Input format string ---") << std::endl;
out << arg << std::endl << std::endl;
out << _("--- Format elements ---") << std::endl;
format_t fmt(arg);
fmt.dump(out);
out << std::endl << _("--- Formatted string ---") << std::endl;
bind_scope_t bound_scope(args, *post);
out << '"';
fmt.format(out, bound_scope);
out << "\"\n";
return NULL_VALUE;
}
value_t period_command(call_scope_t& args)
{
string arg = join_args(args);
if (arg.empty()) {
throw std::logic_error(_("Usage: period TEXT"));
return 1L;
}
report_t& report(find_scope<report_t>(args));
std::ostream& out(report.output_stream);
date_interval_t interval(arg);
out << _("global details => ") << std::endl << std::endl;
if (interval.start)
out << _(" start: ") << format_date(*interval.start) << std::endl;
else
out << _(" start: TODAY: ") << format_date(CURRENT_DATE()) << std::endl;
if (interval.end)
out << _(" end: ") << format_date(*interval.end) << std::endl;
if (interval.skip_duration)
out << _(" skip: ") << *interval.skip_duration << std::endl;
if (interval.factor)
out << _(" factor: ") << interval.factor << std::endl;
if (interval.duration)
out << _("duration: ") << *interval.duration << std::endl;
if (interval.find_period(interval.start ?
*interval.start : CURRENT_DATE())) {
out << std::endl
<< _("after finding first period => ") << std::endl
<< std::endl;
if (interval.start)
out << _(" start: ") << format_date(*interval.start) << std::endl;
if (interval.end)
out << _(" end: ") << format_date(*interval.end) << std::endl;
if (interval.skip_duration)
out << _(" skip: ") << *interval.skip_duration << std::endl;
if (interval.factor)
out << _(" factor: ") << interval.factor << std::endl;
if (interval.duration)
out << _("duration: ") << *interval.duration << std::endl;
out << std::endl;
for (int i = 0; i < 20 && interval; i++, ++interval) {
out << std::right;
out.width(2);
out << i << "): " << format_date(*interval.start);
if (interval.end_of_duration)
out << " -- " << format_date(*interval.inclusive_end());
out << std::endl;
if (! interval.skip_duration)
break;
}
}
return NULL_VALUE;
}
value_t args_command(call_scope_t& args)
{
report_t& report(find_scope<report_t>(args));
std::ostream& out(report.output_stream);
value_t::sequence_t::const_iterator begin = args.value().begin();
value_t::sequence_t::const_iterator end = args.value().end();
out << _("--- Input arguments ---") << std::endl;
args.value().dump(out);
out << std::endl << std::endl;
std::pair<expr_t, query_parser_t> info = args_to_predicate(begin, end);
if (! info.first)
throw_(std::runtime_error,
_("Invalid query predicate: %1") << join_args(args));
call_scope_t sub_args(static_cast<scope_t&>(args));
sub_args.push_back(string_value(info.first.text()));
parse_command(sub_args);
if (info.second.tokens_remaining()) {
out << std::endl << _("====== Display predicate ======")
<< std::endl << std::endl;
call_scope_t disp_sub_args(static_cast<scope_t&>(args));
info = args_to_predicate(info.second);
if (! info.first)
throw_(std::runtime_error,
_("Invalid display predicate: %1") << join_args(args));
disp_sub_args.push_back(string_value(info.first.text()));
parse_command(disp_sub_args);
}
return NULL_VALUE;
}
} // namespace ledger