//
//	aegis - project change supervisor
//	Copyright (C) 2004-2008 Peter Miller
//
//	This program is free software; you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation; either version 3 of the License, or
//	(at your option) any later version.
//
//	This program is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU General Public License for more details.
//
//	You should have received a copy of the GNU General Public License
//	along with this program. If not, see
//	<http://www.gnu.org/licenses/>.
//

#include <libaegis/arglex2.h>
#include <common/error.h>
#include <libaegis/help.h>
#include <libaegis/project.h>
#include <libaegis/project/identifi_sub/branch.h>
#include <common/trace.h>


project_identifier_subset_branch::~project_identifier_subset_branch()
{
    trace(("~project_identifier_subset_branch()\n"));
}


project_identifier_subset_branch::project_identifier_subset_branch(
	project_identifier_subset &arg) :
    deeper(arg),
    pp_with_branch(0),
    branch(0),
    grandparent(false),
    trunk(false)
{
    trace(("project_identifier_subset_branch()\n"));
}


void
project_identifier_subset_branch::command_line_check(usage_t usage)
{
    deeper.command_line_check(usage);

    //
    // reject illegal combinations of options
    //
    if (grandparent)
    {
	if (branch)
	{
	    mutually_exclusive_options
	    (
		arglex_token_branch,
		arglex_token_grandparent,
		usage
	    );
	}
	if (trunk)
	{
	    mutually_exclusive_options
	    (
		arglex_token_trunk,
		arglex_token_grandparent,
		usage
	    );
	}
	branch = "..";
    }
    if (trunk)
    {
	if (branch)
	{
	    mutually_exclusive_options
	    (
		arglex_token_branch,
		arglex_token_trunk,
		usage
	    );
	}
	branch = "";
    }
}


void
project_identifier_subset_branch::command_line_parse(usage_t usage)
{
    trace(("project_identifier_subset_branch::command_line_parse()\n{\n"));
    switch (arglex_token)
    {
    default:
	fatal_raw
	(
	    "%s: %d: option %s not handled in switch (bug)",
	    __FILE__,
	    __LINE__,
	    arglex_token_name(arglex_token)
	);
	// NOTREACHED

    case arglex_token_branch:
	if (branch)
	    duplicate_option(usage);
	switch (arglex())
	{
	default:
	    option_needs_number(arglex_token_branch, usage);

	case arglex_token_number:
	case arglex_token_string:
	    branch = arglex_value.alv_string;
	    break;
	}
	break;

    case arglex_token_trunk:
	if (trunk)
	    duplicate_option(usage);
	trunk = true;
	break;

    case arglex_token_grandparent:
	if (grandparent)
	    duplicate_option(usage);
	grandparent = true;
	break;

    case arglex_token_project:
    case arglex_token_string:
	deeper.command_line_parse(usage);
	trace(("}\n"));
	return;
    }
    arglex();
    trace(("}\n"));
}


void
project_identifier_subset_branch::parse_change_with_branch(long &change_number,
    usage_t usage)
{
    parse_change_with_branch(change_number, branch, usage);
}


void
project_identifier_subset_branch::parse_change_with_branch(long &change_number,
    const char *&branch_arg, usage_t usage)
{
    deeper.parse_change_with_branch
    (
	change_number,
	branch_arg,
	usage
    );
}


user_ty::pointer
project_identifier_subset_branch::get_up()
{
    return deeper.get_up();
}

void
project_identifier_subset_branch::set_user_by_name(nstring &login)
{
    deeper.set_user_by_name(login);
}


project_ty *
project_identifier_subset_branch::get_pp()
{
    if (!pp_with_branch)
    {
	pp_with_branch = deeper.get_pp();
	assert(pp_with_branch);
	if (branch)
	{
	    pp_with_branch = pp_with_branch->find_branch(branch);
	    assert(pp_with_branch);
	}
    }
    return pp_with_branch;
}


bool
project_identifier_subset_branch::set()
    const
{
    return deeper.set();
}