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#!/bin/bash
# Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
#
# 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/>.
TOOL_ACTIONS_GENERIC="usage update execute"
TOOL_ACTIONS_HELPERS="arguments"
TOOL_FUNCTIONS=$( for action in $TOOL_ACTIONS_GENERIC ; do echo "$action" "$action""_check" ; done ; echo "$TOOL_ACTIONS_HELPERS" )
tool_include() {
local tool=$1
local tool_path=$( tool_path "$tool" )
unset -f $TOOL_FUNCTIONS
. "$tool_path/$tool"
tool_helper_include "$tool"
}
tool_helper_include() {
local tool=$1
local tool_path=$( tool_path "$tool" )
local include="$tool_path/$tool-helper"
if [ -f "$include" ]
then
. "$include"
fi
}
tool_check() {
local tool=$1
local tool_path=$( tool_path "$tool" )
if ! [ -f "$tool_path/$tool" ]
then
return 1
fi
return 0
}
tool_function_check() {
local tool=$1
local function=$2
tool_include "$tool"
if ! function_check "$function"
then
return 1
fi
return 0
}
tool_action() {
local action=$1
shift
local tool=$1
shift
local arguments=$@
(
set +e
if ! tool_check "$tool"
then
printf "Tool $tool check failed\n" >&2
return 1
fi
tool_action_check "$action" "$tool" "$@"
if [ $? -eq 0 ]
then
return 0
fi
tool_include "$tool"
if ! function_check "$action"
then
return 0
fi
printf "Tool $tool $action (with ${arguments:-no argument})\n" >&2
(
set -e
"$action" "$@"
)
if [ $? -ne 0 ]
then
printf "\nTool $tool $action (with ${arguments:-no argument}) failed\n" >&2
return 1
else
printf "\nTool $tool $action (with ${arguments:-no argument}) completed\n" >&2
fi
)
}
tool_action_check() {
local action=$1
shift
local tool=$1
shift
(
set +e
if ! tool_check "$tool"
then
printf "Tool $tool check failed\n" >&2
return 1
fi
tool_include "$tool"
if ! function_check "$action""_check"
then
return 1
fi
for tool_force in $TOOLS_FORCE
do
if [ "$tool_force" = "$tool" ]
then
return 1
fi
done
(
set -e
"$action""_check" "$@"
)
)
}
tool_action_helper() {
local helper=$1
shift
local tool=$1
shift
(
set +e
if ! tool_check "$tool"
then
printf "Tool $tool check failed\n" >&2
return 1
fi
tool_include "$tool"
if ! function_check "$helper"
then
return 0
fi
(
set -e
"$helper" "$@"
)
)
}
tool_action_arguments_recursive() {
local action=$1
shift
local tool=$1
shift
local action_helper_arguments=$( tool_action_helper "arguments" "$tool" "$@" )
local argument
if [ $? -ne 0 ] || [ -z "$action_helper_arguments" ]
then
tool_action "$action" "$tool" "$@"
else
echo "$action_helper_arguments" | while read argument
do
tool_action_arguments_recursive "$action" "$tool" "$@" "$argument"
done
fi
}
tool_path() {
local tool=$1
local tool_path="$root/$TOOLS/$tool"
echo "$tool_path"
}
tool_sources_path() {
local tool=$1
shift
local path="$root/$TOOLS/$tool/$SOURCES"
local argument
for argument in "" "$@"
do
if ! [ -z "$argument" ]
then
path="$path/$argument"
fi
if directory_filled_check "$path"
then
echo "$path"
return
fi
done
}
tool_usage_actions() {
local tool=$1
shift
printf "\nGeneric actions:\n"
for action in $TOOL_ACTIONS_GENERIC
do
if function_check "$action"
then
printf " $action\n"
fi
done
if [ $# -gt 0 ]
then
printf "\nSpecific actions:\n"
for action in "$@"
do
printf " $action\n"
done
fi
}
tool_usage_arguments() {
local tool=$1
shift
printf "\nArguments:\n"
tool_usage_arguments_recursive "$tool" " " "$@"
}
tool_usage_arguments_recursive() {
local tool=$1
shift
local spacing=$1
shift
local action_helper_arguments=$( tool_action_helper "arguments" "$tool" "$@" )
local argument
if ! [ -z "$action_helper_arguments" ]
then
echo "$action_helper_arguments" | while read argument
do
printf "$spacing$argument\n"
tool_usage_arguments_recursive "$tool" " $spacing" "$@" "$argument"
done
fi
}
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