glibc/manual/libc-texinfo.sh
2016-01-07 04:03:21 -05:00

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#!/bin/sh
OUTDIR=$1
shift
# Create libc.texinfo from the chapter files.
trap "rm -f ${OUTDIR}*.$$; exit 1" 1 2 15
exec 3>${OUTDIR}incl.$$ 4>${OUTDIR}smenu.$$ 5>${OUTDIR}lmenu.$$
build_menu () {
while IFS=: read file node; do
echo "@include $file" >&3
echo "* $node:: `sed -n 's/^@c %MENU% //p' $file`" >&4
$AWK 'BEGIN { do_menu = 0 }
/^@node / { sub(/^@node /, ""); sub(/,.*$/, ""); node = $0 }
/^@menu/ { printf "\n%s\n\n", node; do_menu = 1; next }
/^@end menu/ { do_menu = 0 }
do_menu { print }' $file >&5
done
}
collect_nodes () {
egrep '^(@c )?@node.*Top' "$@" /dev/null | cut -d, -f-2 |
sed 's/@c //; s/, /:/; s/:@node /:/; s/ /_/g; s/:/ /g' |
$AWK '{ file[$2] = $1; nnode[$2] = $3 }
END { for (x in file)
if (file[x] != "")
print file[x] ":" x, file[nnode[x]] ":" nnode[x] }' |
$AWK -f tsort.awk | sed 's/_/ /g'
}
# Emit "@set ADD-ON" for each add-on contributing a manual chapter.
for addon in $2; do
addon=`basename $addon .texi`
echo >&3 "@set $addon"
done
collect_nodes $1 | build_menu
if [ -n "$2" ]; then
{ echo; echo 'Add-ons'; echo; } >&4
egrep '^(@c )?@node.*Top' `echo $2 /dev/null | tr ' ' '\n' | sort` |
cut -d, -f1 | sed 's/@c //;s/@node //' | build_menu
fi
{ echo; echo 'Appendices'; echo; } >&4
collect_nodes $3 | build_menu
exec 3>&- 4>&- 5>&-
mv -f ${OUTDIR}incl.$$ ${OUTDIR}chapters.texi
{
echo '@menu'
$AWK -F: '
/^\*/ {
printf("%-32s", $1 "::");
x = split($3, word, " ");
hpos = 34;
for (i = 1; i <= x; i++) {
hpos += length(word[i]) + 1;
if (hpos > 78) {
printf("\n%34s", "");
hpos = 35 + length(word[i]);
}
printf(" %s", word[i]);
}
print ".";
}
!/^\*/ { print; }
' ${OUTDIR}smenu.$$
cat <<EOF
* Free Manuals:: Free Software Needs Free Documentation.
* Copying:: The GNU Lesser General Public License says
how you can copy and share the GNU C Library.
* Documentation License:: This manual is under the GNU Free
Documentation License.
Indices
* Concept Index:: Index of concepts and names.
* Type Index:: Index of types and type qualifiers.
* Function Index:: Index of functions and function-like macros.
* Variable Index:: Index of variables and variable-like macros.
* File Index:: Index of programs and files.
@detailmenu
--- The Detailed Node Listing ---
EOF
cat ${OUTDIR}lmenu.$$
echo '@end detailmenu'
echo '@end menu'; } >${OUTDIR}top-menu.texi.$$
mv -f ${OUTDIR}top-menu.texi.$$ ${OUTDIR}top-menu.texi
rm -f ${OUTDIR}*.$$