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/*
* Copyright (c) 2003-2010, 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.
*/
/**
* @file global.h
* @author John Wiegley
*
* @brief Contains the top-level functions used by main.cc
*/
#ifndef _GLOBAL_H
#define _GLOBAL_H
#include "interactive.h"
#include "option.h"
#include "report.h"
namespace ledger {
class session_t;
class report_t;
class global_scope_t : public noncopyable, public scope_t
{
shared_ptr<session_t> session_ptr;
ptr_list<report_t> report_stack;
public:
global_scope_t(char ** envp);
~global_scope_t();
void read_init();
void read_environment_settings(char * envp[]);
strings_list read_command_arguments(scope_t& scope, strings_list args);
void normalize_session_options();
expr_t::func_t look_for_precommand(scope_t& scope, const string& verb);
expr_t::func_t look_for_command(scope_t& scope, const string& verb);
char * prompt_string();
session_t& session() {
return *session_ptr.get();
}
report_t& report() {
return report_stack.front();
}
void push_report() {
report_stack.push_front(new report_t(report_stack.front()));
scope_t::default_scope = &report();
}
void pop_report() {
assert(! report_stack.empty());
report_stack.pop_front();
// There should always be the "default report" waiting on the stack.
assert(! report_stack.empty());
scope_t::default_scope = &report();
}
void report_error(const std::exception& err);
/**
* @return \c true if a command was actually executed; otherwise, it probably
* just resulted in setting some options.
*/
void execute_command(strings_list args, bool at_repl);
int execute_command_wrapper(strings_list args, bool at_repl);
value_t push_command(call_scope_t&) {
// Make a copy at position 2, because the topmost report object has an
// open output stream at this point. We want it to get popped off as
// soon as this command terminate so that the stream is closed cleanly.
report_stack.insert(++report_stack.begin(),
new report_t(report_stack.front()));
return true;
}
value_t pop_command(call_scope_t&) {
pop_report();
return true;
}
void show_version_info(std::ostream& out) {
out <<
"Ledger " << ledger::version << _(", the command-line accounting tool");
out <<
_("\n\nCopyright (c) 2003-2010, 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.");
out << std::endl;
}
void report_options(report_t& report, std::ostream& out);
option_t<global_scope_t> * lookup_option(const char * p);
virtual expr_t::ptr_op_t lookup(const symbol_t::kind_t kind,
const string& name);
OPTION(global_scope_t, args_only);
OPTION(global_scope_t, debug_);
void visit_man_page() const;
OPTION_(global_scope_t, full_help, DO() { parent->visit_man_page(); }); // -H
OPTION_(global_scope_t, help, DO() { parent->visit_man_page(); }); // -h
OPTION_(global_scope_t, help_calc, DO() { parent->visit_man_page(); });
OPTION_(global_scope_t, help_comm, DO() { parent->visit_man_page(); });
OPTION_(global_scope_t, help_disp, DO() { parent->visit_man_page(); });
OPTION__
(global_scope_t, init_file_, // -i
CTOR(global_scope_t, init_file_) {
if (const char * home_var = std::getenv("HOME"))
on(none, (path(home_var) / ".ledgerrc").string());
else
on(none, path("./.ledgerrc").string());
});
OPTION(global_scope_t, options);
OPTION(global_scope_t, script_);
OPTION(global_scope_t, trace_);
OPTION(global_scope_t, verbose);
OPTION(global_scope_t, verify);
OPTION_(global_scope_t, version, DO() { // -v
parent->show_version_info(std::cout);
throw int(0); // exit immediately
});
};
void handle_debug_options(int argc, char * argv[]);
} // namespace ledger
#endif // _GLOBAL_H
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