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########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2010 AT&T Intellectual Property #
# and is licensed under the #
# Common Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.opensource.org/licenses/cpl1.0.txt #
# (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
#
# variable tree test #001
# Propose of this test is whether ksh93 handles global variable trees
# and function-local variable trees the same way, including "nameref"
# and "unset" handling.
#
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
(( Errors+=1 ))
}
alias err_exit='err_exit $LINENO'
function build_tree
{
#set -o errexit -o xtrace
typeset index
typeset s
typeset i
typeset dummy
typeset a b c d e f
nameref dest_tree="$1" # destination tree
nameref srcdata="$2" # source data
typeset tree_mode="$3" # mode to define the type of leads
typeset -A dest_tree.l1
for index in "${!srcdata.hashnodes[@]}" ; do
nameref node=srcdata.hashnodes["${index}"]
for i in "${node.xlfd[@]}" ; do
IFS='-' read dummy a b c d e f <<<"$i"
if [[ "$a" == "" ]] ; then
a="$dummy"
fi
[[ "$a" == "" ]] && a='-'
[[ "$b" == "" ]] && b='-'
[[ "$c" == "" ]] && c='-'
if [[ "${dest_tree.l1["$a"]}" == "" ]] ; then
#if ! (unset dest_tree.l1["$a"]) ; then
typeset -A dest_tree.l1["$a"].l2
fi
if [[ "${dest_tree.l1["$a"].l2["$b"]}" == "" ]] ; then
#if ! (unset dest_tree.l1["$a"].l2["$b"]) ; then
typeset -A dest_tree.l1["$a"].l2["$b"].l3
fi
if [[ "${!dest_tree.l1["$a"].l2["$b"].l3["$c"].entries[*]}" == "" ]] ; then
typeset -A dest_tree.l1["$a"].l2["$b"].l3["$c"].entries
fi
#dest_tree.l1["$a"].l2["$b"].l3["$c"].entries+=( "$index" )
typeset new_index
if [[ "${tree_mode}" == "leaf_name" ]] ; then
new_index=$(( ${#dest_tree.l1["$a"].l2["$b"].l3["$c"].entries[@]}+1 ))
else
new_index="${node.name}"
# skip if the leaf node already exists
if [[ "${dest_tree.l1["$a"].l2["$b"].l3["$c"].entries[${new_index}]}" != "" ]] ; then
continue
fi
fi
add_tree_leaf dest_tree.l1["$a"].l2["$b"].l3["$c"].entries[${new_index}] "${index}" "${tree_mode}"
done
done
return 0
}
function add_tree_leaf
{
nameref tree_leafnode="$1"
nameref data_node=srcdata.hashnodes["$2"]
typeset add_mode="$3"
case "${add_mode}" in
"leaf_name")
tree_leafnode="${data_node.name}"
return 0
;;
"leaf_compound")
tree_leafnode=(
typeset name="${data_node.name}"
typeset -a filenames=( "${data_node.filenames[@]}" )
typeset -a comments=( "${data_node.comments[@]}" )
typeset -a xlfd=( "${data_node.xlfd[@]}" )
)
return 0
;;
*)
print -u2 -f "ERROR: Unknown mode %s in add_tree_leaf\n" "${add_mode}"
return 1
;;
esac
# not reached
return 1
}
# "mysrcdata_local" and "mysrcdata_global" must be identical
typeset mysrcdata_global=(
typeset -A hashnodes=(
[abcd]=(
name='abcd'
typeset -a xlfd=(
'-urw-itc zapfchancery-medium-i-normal--0-0-0-0-p-0-iso8859-1'
'-urw-itc zapfdingbats-medium-r-normal--0-0-0-0-p-0-adobe-fontspecific'
'-urw-itc zapfdingbats-medium-r-normal--0-0-0-0-p-0-sun-fontspecific'
)
typeset -a comments=(
'comment 1'
'comment 2'
'comment 3'
)
typeset -a filenames=(
'/home/foo/abcd_1'
'/home/foo/abcd_2'
'/home/foo/abcd_3'
)
)
)
)
mytree_global=()
function main
{
# "mysrcdata_local" and "mysrcdata_global" must be identical
typeset mysrcdata_local=(
typeset -A hashnodes=(
[abcd]=(
name='abcd'
typeset -a xlfd=(
'-urw-itc zapfchancery-medium-i-normal--0-0-0-0-p-0-iso8859-1'
'-urw-itc zapfdingbats-medium-r-normal--0-0-0-0-p-0-adobe-fontspecific'
'-urw-itc zapfdingbats-medium-r-normal--0-0-0-0-p-0-sun-fontspecific'
)
typeset -a comments=(
'comment 1'
'comment 2'
'comment 3'
)
typeset -a filenames=(
'/home/foo/abcd_1'
'/home/foo/abcd_2'
'/home/foo/abcd_3'
)
)
)
)
# build tree using global tree variables
build_tree mytree_global mysrcdata_global leaf_compound || \
err_exit 'build_tree mytree_global mysrcdata_global leaf_compound returned an error'
(( $(print -r -- "${mytree_global}" | wc -l) > 10 )) || err_exit "compound tree 'mytree_global' too small"
# build tree using local tree variables
mytree_local=()
build_tree mytree_local mysrcdata_local leaf_compound || \
err_exit 'build_tree mytree_local mysrcdata_local leaf_compound returned an error'
(( $(print -r -- "${mytree_local}" | wc -l) > 10 )) || err_exit "compound tree 'mytree_local' too small"
# Compare trees
if [[ "${mytree_global}" != "${mytree_local}" ]] ; then
err_exit "compound trees 'mytree_local' and 'mytree_global' not identical"
fi
unset 'mytree_global.l1[urw].l2[itc zapfdingbats].l3[medium].entries[abcd].filenames[0]' ||
err_exit "variable 'mytree_global.l1[urw].l2[itc zapfdingbats].l3[medium].entries[abcd].filenames[0]' not found"
[[ "${mytree_global}" != "${mytree_local}" ]] || err_exit "mytree_global and mytree_local should differ"
unset 'mytree_local.l1[urw].l2[itc zapfdingbats].l3[medium].entries[abcd].filenames[0]' ||
err_exit "variable 'mytree_local.l1[urw].l2[itc zapfdingbats].l3[medium].entries[abcd].filenames[0]' not found"
# Compare trees (after "unset")
if [[ "${mytree_global}" != "${mytree_local}" ]] ; then
err_exit "compound trees 'mytree_local' and 'mytree_global' not identical after unset"
fi
}
main
exit $((Errors))
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