freebsd-nq/contrib/ncurses/man/manlinks.sed
2021-02-25 19:26:56 +01:00

108 lines
3.9 KiB
Sed

# $Id: manlinks.sed,v 1.15 2021/01/05 20:30:00 tom Exp $
##############################################################################
# Copyright 2020,2021 Thomas E. Dickey #
# Copyright 2000-2003,2008 Free Software Foundation, Inc. #
# #
# Permission is hereby granted, free of charge, to any person obtaining a #
# copy of this software and associated documentation files (the "Software"), #
# to deal in the Software without restriction, including without limitation #
# the rights to use, copy, modify, merge, publish, distribute, distribute #
# with modifications, sublicense, and/or sell copies of the Software, and to #
# permit persons to whom the Software is furnished to do so, subject to the #
# following conditions: #
# #
# The above copyright notice and this permission notice shall be included in #
# all copies or substantial portions of the Software. #
# #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL #
# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING #
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER #
# DEALINGS IN THE SOFTWARE. #
# #
# Except as contained in this notice, the name(s) of the above copyright #
# holders shall not be used in advertising or otherwise to promote the sale, #
# use or other dealings in this Software without prior written #
# authorization. #
##############################################################################
# Given a manpage (nroff) as input, writes a list of the names that are
# listed in the "NAME" section, i.e., the names that we would like to use
# as aliases for the manpage -T.Dickey
#
# eliminate formatting controls that get in the way
/^'\\"/d
/\.\\"/d
/^\.br/d
/^\.sp/d
/typedef/d
s/^\.IX//
s/\\f.//g
s/[:,]/ /g
#
# ignore C-style comments
s%/\*.*\*/%%
#
# eliminate unnecessary whitespace, convert multiple blanks to single space
s/^[ ][ ]*//
s/[ ][ ]*$//
s/[ ][ ]*/ /g
/^$/d
#
# convert ".SH" into a more manageable form
s/\.SH[ ][ ]*/.SH_(/
#
# in ".SH NAME"
# change "\-" to "-", eliminate text after "-", and split the remaining lines
# at each space, making a list of names:
/^\.SH_(NAME/,/^\.SH_(SYNOPSIS/{
s/\\-.*/ -/
/ -/{
s/ -.*//
s/ /\
/g
}
/^-/{
d
}
s/ /\
/g
}
#
# in ".SH SYNOPSIS"
# remove any line that does not contain a '(', since we only want functions.
# then strip off return-type of each function.
# finally, remove the parameter list, which begins with a '('.
/^\.SH_(SYNOPSIS/,/^\.SH_(DESCRIPTION/{
/^[^(]*$/d
# reduce
# .B "int add_wch( const cchar_t *\fIwch\fB );"
# to
# add_wch( const cchar_t *\fIwch\fB );"
s/^\([^ (]* [^ (]* [*]*\)//g
s/^\([^ (]* [*]*\)//g
# trim blanks in case we have
# void (*) (FORM *) field_init(const FORM *form);
s/) (/)(/g
# reduce stuff like
# void (*)(FORM *) field_init(const FORM *form);
# to
# field_init(const FORM *form);
s/^\(([^)]*)\)\(([^)]*)\)*[ ]*//g
# rename marker temporarily
s/\.SH_(/.SH_/
# kill lines with ");", and trim off beginning of argument list.
s/[()].*//
# rename marker back
s/\.SH_/.SH_(/
}
#
# delete ".SH DESCRIPTION" and following lines
/^\.SH_(DESCRIPTION/,${
d
}
#
# delete any remaining directives
/^\./d