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#!@@SHELL@@
#
# opkhelper
# lib/messages
# Functions for printing error and warning messages.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# 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/>.
# Prints an error message and exits.
# Parameters:
# message
# Output:
# message
# Return value:
# none
oh_error()
{
printf '%s: Error: ' "${0##*/}"
printf "${@}"
printf '\n'
exit 1
}
# Prints a warning message.
# Parameters:
# message
# Output:
# message
# Return value:
# 0
oh_warn()
{
printf '%s: Warning: ' "${0##*/}"
printf "${@}"
printf '\n'
return 0
}
# Prints an informational message.
# Parameters:
# message
# Output:
# message
# Return value:
# 0
oh_info()
{
printf '%s: ' "${0##*/}"
printf "${@}"
printf '\n'
return 0
}
oh_usage()
{
_util="$(echo "${0##*/}" | sed 's/-/_/g')"
_usage_str="$(eval echo "\$\{oh_str_usage_${_util}\}")"
: "${_usage_str:=${oh_str_usage_none}}"
printf '%s\n' "${_usage_str}"
}
oh_help()
{
oh_usage
_util="$(echo "${0##*/}" | sed 's/-/_/g')"
_help_str="$(eval echo "\$\{oh_str_help_${_util}\}")"
: "${_help_str:=${oh_str_help_none}}"
printf '%s\n' "${_help_str}"
}
oh_version()
{
printf "${oh_str_version}\n" "${0##*/}" '@@PACKAGE@@' '@@VERSION@@'
}
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