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make-container-for.sh
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#! /usr/bin/env mulle-bash
#! MULLE_BASHFUNCTIONS_VERSION=<|MULLE_BASHFUNCTIONS_VERSION|>
# shellcheck shell=bash
#
#
# make-do.sh
# mulle-container
#
# Copyright (c) 2023 Nat! - Mulle kybernetiK.
# 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 Mulle kybernetiK 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 HOLDER 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.
#
[ "${TRACE}" = 'YES' -o "${MAKE_CONTAINER_DO_TRACE}" = 'YES' ] \
&& set -x \
&& : "$0" "$@"
#
# Versioning of this script
#
MULLE_EXECUTABLE_VERSION="0.0.0"
for::print_flags()
{
echo " -f : force operation"
echo " --callback : force to use callback code"
echo " --no-callback : force to not use callback code"
echo " --compare : force to use compare code"
echo " --no-compare : force to not use compare code"
echo " --key-value : force to use key value enumerator"
echo " --no-flexible : force to use single item enumerator"
echo " --reverse : force to use reverse enumerator code"
echo " --no-reverse : force to not use reverse enumerator code"
options_technical_flags_usage \
" : "
}
for::usage()
{
[ $# -ne 0 ] && log_error "$*"
cat <<EOF >&2
Usage:
make-container-for [flags] <filename>
make-container-for will try to discern from the filename, if the container
utilizes callbacks (no pointer in name) and needs an external callback
(-- in name).
Flags:
EOF
for::print_flags | LC_ALL=C sort >&2
exit 1
}
# AI generated
for::add_backslashes()
{
log_entry "for::add_backslashes" "$@"
local lines=()
local max_length=0
# Split the macro into lines and find the maximum length
IFS=$'\n' read -d '' -ra lines
for line in "${lines[@]}"; do
local length=${#line}
if [[ $length -gt $max_length ]]; then
max_length=$length
fi
done
# Add a continuation character '\' to each line except the last one
local last_index=$(( ${#lines[@]} - 1 ))
for i in "${!lines[@]}"; do
local line="${lines[$i]}"
local length=${#line}
local num_spaces=$(( max_length - length + 1))
if [[ $i -eq $last_index ]]; then
printf "%s\n" "$line"
else
printf "%s\n" "$line$(printf '%*s' $num_spaces)\\"
fi
done
}
for::emit_for_macro_definition()
{
log_entry "for::emit_for_macro_definition" "$@"
local name="$1"
local callback="$2"
local keyvalue="$3"
local reverse="$4"
local callback_text
if [ "${callback}" = 'YES' ]
then
callback_text=", callback"
fi
local keyvalue_text
local assert_text
keyvalue_text=", item"
assert_text="\
assert( sizeof( item) == sizeof( void *));"
if [ "${keyvalue}" = 'YES' ]
then
keyvalue_text=", key, value"
assert_text="\
assert( sizeof( key) == sizeof( void *));
assert( sizeof( value) == sizeof( void *));"
fi
local reverse_text
if [ "${reverse}" = 'YES' ]
then
reverse_text="_reverse"
fi
cat <<EOF
#define ${name}_for${reverse_text}( name${callback_text}${keyvalue_text})
${assert_text}
EOF
}
# MEMO: why is _for using a pointer and _do using an identifier ?
#
# mulle_array_do( foo)
# {
# mulle_array_for( foo)
# {
# // that's why
# }
# }
for::emit_for_loop()
{
log_entry "for::emit_for_loop" "$@"
local name="$1"
local callback="$2"
local keyvalue="$3"
local reverse="$4"
local callback_text
if [ "${callback}" = 'YES' ]
then
callback_text=", callback"
fi
local reverse_text
if [ "${reverse}" = 'YES' ]
then
reverse_text="reverse"
fi
if [ "${keyvalue}" = 'YES' ]
then
cat <<EOF
for( struct ${name}${reverse_text}enumerator
rover__ ## key ## __ ## value = ${name}_${reverse_text}enumerate( name${callback_text}),
*rover__ ## key ## __ ## value ## __i = (void *) 0;
! rover__ ## key ## __ ## value ## __i;
rover__ ## key ## __ ## value ## __i = (_${name}${reverse_text}enumerator_done( &rover__ ## key ## __ ## value),
(void *) 1))
while( _${name}enumerator_next( &rover__ ## key ## __ ## value,
(void **) &key,
(void **) &value))
EOF
else
cat <<EOF
for( struct ${name}${reverse_text}enumerator
rover__ ## item = ${name}_${reverse_text}enumerate( name${callback_text}),
*rover__ ## item ## __i = (void *) 0;
! rover__ ## item ## __i;
rover__ ## item ## __i = (_${name}${reverse_text}enumerator_done( &rover__ ## item),
(void *) 1))
while( _${name}${reverse_text}enumerator_next( &rover__ ## item, (void **) &item))
EOF
fi
}
for::main()
{
local args="$*"
#
# simple option/flag handling
#
local OPTION_CALLBACK='DEFAULT'
local OPTION_KEY_VALUE='DEFAULT'
local OPTION_REVERSE='NO'
while [ $# -ne 0 ]
do
if options_technical_flags "$1"
then
shift
continue
fi
case "$1" in
-f|--force)
MULLE_FLAG_MAGNUM_FORCE='YES'
;;
-h*|--help|help)
for::usage
;;
--callback)
OPTION_CALLBACK='YES'
;;
--no-callback)
OPTION_CALLBACK='NO'
;;
--key-value)
OPTION_KEY_VALUE='YES'
;;
--no-key-value)
OPTION_KEY_VALUE='NO'
;;
--reverse)
OPTION_REVERSE='YES'
;;
--no-reverse)
OPTION_REVERSE='NO'
;;
--version)
printf "%s\n" "${MULLE_EXECUTABLE_VERSION}"
exit 0
;;
##
## ADD YOUR FLAGS HERE
##
-*)
for::usage "Unknown flag \"$1\""
;;
*)
break
;;
esac
shift
done
options_setup_trace "${MULLE_TRACE}" && set -x
local name="${1:-unknown}"
r_extensionless_basename "${name}"
r_identifier "${RVAL}"
name="${RVAL}"
local uses_key_value="${OPTION_KEY_VALUE}"
if [ "${uses_key_value}" = 'DEFAULT' ]
then
uses_key_value='NO'
case "${name}" in
*[-_]map*|*[-_]assoc*)
log_verbose "Name contains 'map' or 'assoc' so assumed to be key/value enumerator"
uses_key_value='YES'
;;
esac
fi
#
#
#
local embeds_callback="${OPTION_CALLBACK}"
if [ "${embeds_callback}" = 'DEFAULT' ]
then
case "${name}" in
*pointer*)
log_verbose "Name contains 'pointer' so assumed to not embed callbacks"
embeds_callback='NO'
;;
*[a-zA-Z0-9]__[a-zA-Z0-9]*)
log_verbose "Name contains '__' so assumed to not embed callbacks"
embeds_callback='NO'
;;
*)
embeds_callback='YES'
;;
esac
fi
local uses_callback="${OPTION_CALLBACK}"
if [ "${uses_callback}" = 'DEFAULT' ]
then
uses_callback='YES'
if [ "${embeds_callback}" = 'YES' ]
then
uses_callback='NO'
else
case "${name}" in
*struct*)
log_verbose "Name contains 'struct' so assumed to not use callbacks"
uses_callback='NO'
;;
*pointer*)
log_verbose "Name contains 'pointer' so assumed to not use callbacks"
uses_callback='NO'
;;
esac
fi
fi
log_setting "name : ${name}"
log_setting "uses_callback : ${uses_callback}"
log_setting "uses_key_value : ${uses_key_value}"
log_setting "reverse : ${OPTION_REVERSE}"
printf "%s\n" "// created by ${MULLE_EXECUTABLE_NAME} ${args}"
echo
(
for::emit_for_macro_definition "${name}" "${uses_callback}" "${uses_key_value}" "${OPTION_REVERSE}"
for::emit_for_loop "${name}" "${uses_callback}" "${uses_key_value}" "${OPTION_REVERSE}"
) | for::add_backslashes
echo
}
#
# You can also use the function `call_with_flags`, which has been defined
# during mulle-boot. It lets you call 'for::main'
# with MAKE_DO_FLAGS interposed.
#
# call_with_flags "for::main" "${MAKE_DO_FLAGS}" "$@"
for::main "$@"