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|
#!/bin/sh
#-
# Copyright (c) 2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
#
# $FreeBSD$
#
############################################################ INCLUDES
# Prevent common.subr from auto initializing debugging (this is not an inter-
# active utility that requires debugging; also `-d' has been repurposed).
#
DEBUG_SELF_INITIALIZE=NO
BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="includes"
f_include_lang $BSDCFG_LIBE/include/messages.subr
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
[ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
############################################################ GLOBALS
#
# Options
#
USE_COLOR=1
SHOW_DESC=
SHOW_FUNCS=
FUNC_PATTERN=
############################################################ FUNCTIONS
# show_functions $file
#
# Show the functions in the given include file.
#
show_include()
{
local file="${1#./}"
local pattern="${FUNC_PATTERN:-.*}"
output=$( awk \
-v use_color=${USE_COLOR:-0} \
-v re="$pattern" \
-v show_desc=${SHOW_DESC:-0} '
function asorti(src, dest)
{
# Copy src indices to dest and calculate array length
nitems = 0; for (i in src) dest[++nitems] = i
# Sort the array of indices (dest) using insertion sort method
for (i = 1; i <= nitems; k = i++)
{
idx = dest[i]
while ((k > 0) && (dest[k] > idx))
{
dest[k+1] = dest[k]
k--
}
dest[k+1] = idx
}
return nitems
}
/^$/,/^#/ {
if ($0 ~ /^# f_/) {
if (!match($2, re)) next
fn = $2
if (use_color)
syntax[fn] = sprintf("+%s[1;31m%s[0m%s\n",
substr($0, 2, RSTART),
substr($0, 2 + RSTART, RLENGTH),
substr($0, 2 + RSTART + RLENGTH))
else
syntax[fn] = "+" substr($0, 2) "\n"
if (show_desc)
print_more = 1
else
print_more = substr($0, length($0)) == "\\"
}
if (show_desc && print_more) {
getline
while ($0 ~ /^#/) {
syntax[fn] = syntax[fn] " " substr($0, 2) "\n"
getline
}
print_more = 0
} else while (print_more) {
getline
syntax[fn] = syntax[fn] " " substr($0, 2) "\n"
print_more = substr($0, length($0)) == "\\"
}
}
END {
n = asorti(syntax, sorted_indices)
for (i = 1; i <= n; i++)
printf "%s", syntax[sorted_indices[i]]
}' "$file" )
if [ "$output" ]; then
if [ ! "$SHOW_FUNCS" ]; then
echo "$file"
return $SUCCESS
fi
if [ "$FUNC_PATTERN" ]; then
printf ">>> $msg_functions_in_matching\n" \
"$file" "$FUNC_PATTERN"
else
printf ">>> $msg_functions_in\n" "$file"
fi
echo "$output"
echo # blank line to simplify awk(1)-based reparse
fi
}
############################################################ MAIN
# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"
# Are we in a terminal?
[ -t 1 ] || USE_COLOR=
#
# Process command-line arguments
#
while getopts adfF:hn flag; do
case "$flag" in
a) USE_COLOR=1 ;;
d) SHOW_DESC=1 SHOW_FUNCS=1 ;;
f) SHOW_FUNCS=1 ;;
F) FUNC_PATTERN="$OPTARG" ;;
n) USE_COLOR= ;;
h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
esac
done
shift $(( $OPTIND - 1 ))
# cd(1) to `share' dir so relative paths work for find and positional args
cd $BSDCFG_SHARE || f_die # Pedantic
#
# If given an argument, operate on it specifically (implied `-f') and exit
#
[ $# -gt 0 ] && SHOW_FUNCS=1
for include in "$@"; do
# See if they've just omitted the `*.subr' suffix
[ -f "$include.subr" -a ! -f "$include" ] && include="$include.subr"
if [ ! -f "$include" ]; then
printf "$msg_no_such_file_or_directory\n" "$0" "$include"
exit $FAILURE
elif [ ! -r "$include" ]; then
printf "$msg_permission_denied\n" "$0" "$include"
exit $FAILURE
fi
show_include "$include" || f_die
done
# Exit if we processed some include arguments
[ $# -gt 0 ] && exit $SUCCESS
#
# Operate an all known include files
# NB: If we get this far, we had no include arguments
#
find -s . -type f -and -iname '*.subr' | while read file; do
if [ "$SHOW_FUNCS" -o "$FUNC_PATTERN" ]; then
show_include "$file"
else
echo "${file#./}"
fi
done
exit $SUCCESS
################################################################################
# END
################################################################################
|
