mirror of
https://git.savannah.gnu.org/git/gperf.git
synced 2025-12-02 13:09:22 +00:00
Add nice autogenerated manual page.
This commit is contained in:
Bruno Haible
@@ -1,5 +1,10 @@
|
||||
2000-08-20 Bruno Haible <bruno@linuix.math.u-bordeaux.fr>
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||||
|
||||
* doc/help2man: New file, help2man version 1.022.
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||||
* Makefile.devel (all): Add doc/gperf.1.
|
||||
(doc/gperf.1): New target.
|
||||
* doc/gperf.1: Automatically generated.
|
||||
|
||||
* mkinstalldirs: New file, from automake-1.4, grep-2.4.1, guile-1.4,
|
||||
libtool-1.3.3, make-3.79.1, tar-1.13.
|
||||
* srcdir/Makefile.in (MKINSTALLDIRS): New variable.
|
||||
|
||||
@@ -4,7 +4,7 @@
|
||||
SHELL = /bin/sh
|
||||
MAKE = make
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||||
|
||||
all : configures src/config.h.in
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all : configures src/config.h.in doc/gperf.1
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||||
|
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CONFIGURES = configure lib/configure src/configure tests/configure doc/configure
|
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|
||||
@@ -31,5 +31,8 @@ check-configures : $(CONFIGURES)
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src/config.h.in : src/configure.in aclocal.m4
|
||||
cd src && autoheader -l ..
|
||||
|
||||
doc/gperf.1 : force
|
||||
prog=`PATH=build/src:src:$$PATH which gperf`; if test -n "$$prog"; then doc/help2man --name='generate a perfect hash function from a key set' --section=1 $$prog > doc/gperf.1; fi
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force :
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||||
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||||
200
doc/gperf.1
200
doc/gperf.1
@@ -1,23 +1,187 @@
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||||
.TH GPERF 1 "March 7, 1998
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||||
.UC 4
|
||||
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.022.
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||||
.TH GPERF "1" "August 2000" "GNU gperf 2.7" FSF
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||||
.SH NAME
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gperf \- generate a perfect hash function from a key set
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||||
.SH SYNOPSIS
|
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.B gperf
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[
|
||||
.B \-adghijklnoprsStv
|
||||
] [
|
||||
.I keyfile
|
||||
]
|
||||
[\fIOPTION\fR]... [\fIINPUT-FILE\fR]
|
||||
.SH DESCRIPTION
|
||||
|
||||
\fIgperf\fP reads a set of ``keys'' from \fIkeyfile\fP (or, by
|
||||
default, from the standard input) and attempts to find a non-minimal
|
||||
perfect hashing function that recognizes a member of the key set in
|
||||
constant, i.e., O(1), time. If such a function is found the program
|
||||
generates a pair of \fIC\fP source code routines that perform the
|
||||
hashing and table lookup. All generated code is directed to the
|
||||
standard output.
|
||||
|
||||
Please refer to the \fIgperf.texi\fP file for more information.
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||||
This file is distributed with \fIgperf\fP release.
|
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GNU `gperf' generates perfect hash functions.
|
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.PP
|
||||
If a long option shows an argument as mandatory, then it is mandatory
|
||||
for the equivalent short option also.
|
||||
.SS "Input file interpretation:"
|
||||
.TP
|
||||
\fB\-e\fR, \fB\-\-delimiters\fR=\fIDELIMITER\-LIST\fR
|
||||
Allow user to provide a string containing delimiters
|
||||
used to separate keywords from their attributes.
|
||||
Default is ",\en".
|
||||
.TP
|
||||
\fB\-t\fR, \fB\-\-struct\-type\fR
|
||||
Allows the user to include a structured type
|
||||
declaration for generated code. Any text before %%
|
||||
is considered part of the type declaration. Key
|
||||
words and additional fields may follow this, one
|
||||
group of fields per line.
|
||||
.SS "Language for the output code:"
|
||||
.TP
|
||||
\fB\-L\fR, \fB\-\-language\fR=\fILANGUAGE\-NAME\fR
|
||||
Generates code in the specified language. Languages
|
||||
handled are currently C++, ANSI-C, C, and KR-C. The
|
||||
default is C.
|
||||
.SS "Details in the output code:"
|
||||
.TP
|
||||
\fB\-K\fR, \fB\-\-slot\-name\fR=\fINAME\fR
|
||||
Select name of the keyword component in the keyword
|
||||
structure.
|
||||
.TP
|
||||
\fB\-F\fR, \fB\-\-initializer\-suffix\fR=\fIINITIALIZERS\fR
|
||||
Initializers for additional components in the keyword
|
||||
structure.
|
||||
.TP
|
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\fB\-H\fR, \fB\-\-hash\-fn\-name\fR=\fINAME\fR
|
||||
Specify name of generated hash function. Default is
|
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`hash'.
|
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.TP
|
||||
\fB\-N\fR, \fB\-\-lookup\-fn\-name\fR=\fINAME\fR
|
||||
Specify name of generated lookup function. Default
|
||||
name is `in_word_set'.
|
||||
.TP
|
||||
\fB\-Z\fR, \fB\-\-class\-name\fR=\fINAME\fR
|
||||
Specify name of generated C++ class. Default name is
|
||||
`Perfect_Hash'.
|
||||
.TP
|
||||
\fB\-7\fR, \fB\-\-seven\-bit\fR
|
||||
Assume 7-bit characters.
|
||||
.TP
|
||||
\fB\-c\fR, \fB\-\-compare\-strncmp\fR
|
||||
Generate comparison code using strncmp rather than
|
||||
strcmp.
|
||||
.TP
|
||||
\fB\-C\fR, \fB\-\-readonly\-tables\fR
|
||||
Make the contents of generated lookup tables
|
||||
constant, i.e., readonly.
|
||||
.TP
|
||||
\fB\-E\fR, \fB\-\-enum\fR
|
||||
Define constant values using an enum local to the
|
||||
lookup function rather than with defines.
|
||||
.TP
|
||||
\fB\-I\fR, \fB\-\-includes\fR
|
||||
Include the necessary system include file <string.h>
|
||||
at the beginning of the code.
|
||||
.TP
|
||||
\fB\-G\fR, \fB\-\-global\fR
|
||||
Generate the static table of keywords as a static
|
||||
global variable, rather than hiding it inside of the
|
||||
lookup function (which is the default behavior).
|
||||
.TP
|
||||
\fB\-W\fR, \fB\-\-word\-array\-name\fR=\fINAME\fR
|
||||
Specify name of word list array. Default name is
|
||||
`wordlist'.
|
||||
.TP
|
||||
\fB\-S\fR, \fB\-\-switch\fR=\fICOUNT\fR
|
||||
Causes the generated C code to use a switch
|
||||
statement scheme, rather than an array lookup table.
|
||||
This can lead to a reduction in both time and space
|
||||
requirements for some keyfiles. The COUNT argument
|
||||
determines how many switch statements are generated.
|
||||
A value of 1 generates 1 switch containing all the
|
||||
elements, a value of 2 generates 2 tables with 1/2
|
||||
the elements in each table, etc. If COUNT is very
|
||||
large, say 1000000, the generated C code does a
|
||||
binary search.
|
||||
.TP
|
||||
\fB\-T\fR, \fB\-\-omit\-struct\-type\fR
|
||||
Prevents the transfer of the type declaration to the
|
||||
output file. Use this option if the type is already
|
||||
defined elsewhere.
|
||||
.SS "Algorithm employed by gperf:"
|
||||
.TP
|
||||
\fB\-k\fR, \fB\-\-key\-positions\fR=\fIKEYS\fR
|
||||
Select the key positions used in the hash function.
|
||||
The allowable choices range between 1-126, inclusive.
|
||||
The positions are separated by commas, ranges may be
|
||||
used, and key positions may occur in any order.
|
||||
Also, the meta-character '*' causes the generated
|
||||
hash function to consider ALL key positions, and $
|
||||
indicates the ``final character'' of a key, e.g.,
|
||||
$,1,2,4,6-10.
|
||||
.TP
|
||||
\fB\-l\fR, \fB\-\-compare\-strlen\fR
|
||||
Compare key lengths before trying a string
|
||||
comparison. This helps cut down on the number of
|
||||
string comparisons made during the lookup.
|
||||
.TP
|
||||
\fB\-D\fR, \fB\-\-duplicates\fR
|
||||
Handle keywords that hash to duplicate values. This
|
||||
is useful for certain highly redundant keyword sets.
|
||||
.TP
|
||||
\fB\-f\fR, \fB\-\-fast\fR=\fIITERATIONS\fR
|
||||
Generate the gen-perf.hash function ``fast''. This
|
||||
decreases gperf's running time at the cost of
|
||||
minimizing generated table size. The numeric
|
||||
argument represents the number of times to iterate
|
||||
when resolving a collision. `0' means ``iterate by
|
||||
the number of keywords''.
|
||||
.TP
|
||||
\fB\-i\fR, \fB\-\-initial\-asso\fR=\fIN\fR
|
||||
Provide an initial value for the associate values
|
||||
array. Default is 0. Setting this value larger helps
|
||||
inflate the size of the final table.
|
||||
.TP
|
||||
\fB\-j\fR, \fB\-\-jump\fR=\fIJUMP\-VALUE\fR
|
||||
Affects the ``jump value'', i.e., how far to advance
|
||||
the associated character value upon collisions. Must
|
||||
be an odd number, default is 5.
|
||||
.TP
|
||||
\fB\-n\fR, \fB\-\-no\-strlen\fR
|
||||
Do not include the length of the keyword when
|
||||
computing the hash function.
|
||||
.TP
|
||||
\fB\-o\fR, \fB\-\-occurrence\-sort\fR
|
||||
Reorders input keys by frequency of occurrence of
|
||||
the key sets. This should decrease the search time
|
||||
dramatically.
|
||||
.TP
|
||||
\fB\-r\fR, \fB\-\-random\fR
|
||||
Utilizes randomness to initialize the associated
|
||||
values table.
|
||||
.TP
|
||||
\fB\-s\fR, \fB\-\-size\-multiple\fR=\fIN\fR
|
||||
Affects the size of the generated hash table. The
|
||||
numeric argument N indicates ``how many times larger
|
||||
or smaller'' the associated value range should be,
|
||||
in relationship to the number of keys, e.g. a value
|
||||
of 3 means ``allow the maximum associated value to
|
||||
be about 3 times larger than the number of input
|
||||
keys.'' Conversely, a value of \fB\-3\fR means ``make the
|
||||
maximum associated value about 3 times smaller than
|
||||
the number of input keys. A larger table should
|
||||
decrease the time required for an unsuccessful
|
||||
search, at the expense of extra table space. Default
|
||||
value is 1.
|
||||
.SS "Informative output:"
|
||||
.TP
|
||||
\fB\-h\fR, \fB\-\-help\fR
|
||||
Print this message.
|
||||
.TP
|
||||
\fB\-v\fR, \fB\-\-version\fR
|
||||
Print the gperf version number.
|
||||
.TP
|
||||
\fB\-d\fR, \fB\-\-debug\fR
|
||||
Enables the debugging option (produces verbose
|
||||
output to the standard error).
|
||||
.SH "REPORTING BUGS"
|
||||
Report bugs to <bug-gnu-utils@gnu.org>.
|
||||
.SH "SEE ALSO"
|
||||
The full documentation for
|
||||
.B gperf
|
||||
is maintained as a Texinfo manual. If the
|
||||
.B info
|
||||
and
|
||||
.B gperf
|
||||
programs are properly installed at your site, the command
|
||||
.IP
|
||||
.B info gperf
|
||||
.PP
|
||||
should give you access to the complete manual.
|
||||
|
||||
513
doc/help2man
Executable file
513
doc/help2man
Executable file
@@ -0,0 +1,513 @@
|
||||
#!/usr/bin/perl -w
|
||||
|
||||
# Generate a short man page from --help and --version output.
|
||||
# Copyright <20> 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||||
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2, or (at your option)
|
||||
# any later version.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software Foundation,
|
||||
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
|
||||
# Written by Brendan O'Dea <bod@compusol.com.au>
|
||||
# Available from ftp://ftp.gnu.org/gnu/help2man/
|
||||
|
||||
use 5.004;
|
||||
use strict;
|
||||
use Getopt::Long;
|
||||
use Text::Tabs qw(expand);
|
||||
use POSIX qw(strftime setlocale LC_TIME);
|
||||
|
||||
my $this_program = 'help2man';
|
||||
my $this_version = '1.022';
|
||||
my $version_info = <<EOT;
|
||||
GNU $this_program $this_version
|
||||
|
||||
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||||
This is free software; see the source for copying conditions. There is NO
|
||||
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
|
||||
Written by Brendan O'Dea <bod\@compusol.com.au>
|
||||
EOT
|
||||
|
||||
my $help_info = <<EOT;
|
||||
`$this_program' generates a man page out of `--help' and `--version' output.
|
||||
|
||||
Usage: $this_program [OPTION]... EXECUTABLE
|
||||
|
||||
-n, --name=STRING use `STRING' as the description for the NAME paragraph
|
||||
-s, --section=SECTION use `SECTION' as the section for the man page
|
||||
-i, --include=FILE include material from `FILE'
|
||||
-I, --opt-include=FILE include material from `FILE' if it exists
|
||||
-o, --output=FILE send output to `FILE'
|
||||
-N, --no-info suppress pointer to Texinfo manual
|
||||
--help print this help, then exit
|
||||
--version print version number, then exit
|
||||
|
||||
EXECUTABLE should accept `--help' and `--version' options.
|
||||
|
||||
Report bugs to <bug-help2man\@gnu.org>.
|
||||
EOT
|
||||
|
||||
my $section = 1;
|
||||
my ($opt_name, @opt_include, $opt_output, $opt_no_info);
|
||||
|
||||
# Parse options.
|
||||
Getopt::Long::config('bundling');
|
||||
GetOptions (
|
||||
'n|name=s' => \$opt_name,
|
||||
's|section=s' => \$section,
|
||||
'i|include=s' => sub { push @opt_include, [ pop, 1 ] },
|
||||
'I|opt-include=s' => sub { push @opt_include, [ pop, 0 ] },
|
||||
'o|output=s' => \$opt_output,
|
||||
'N|no-info' => \$opt_no_info,
|
||||
help => sub { print $help_info; exit },
|
||||
version => sub { print $version_info; exit },
|
||||
) or die $help_info;
|
||||
|
||||
die $help_info unless @ARGV == 1;
|
||||
|
||||
my %include = ();
|
||||
my %append = ();
|
||||
my @include = (); # retain order given in include file
|
||||
|
||||
# Provide replacement `quote-regex' operator for pre-5.005.
|
||||
BEGIN { eval q(sub qr { '' =~ $_[0]; $_[0] }) if $] < 5.005 }
|
||||
|
||||
# Process include file (if given). Format is:
|
||||
#
|
||||
# [section name]
|
||||
# verbatim text
|
||||
#
|
||||
# or
|
||||
#
|
||||
# /pattern/
|
||||
# verbatim text
|
||||
#
|
||||
|
||||
for (@opt_include)
|
||||
{
|
||||
my ($inc, $required) = @$_;
|
||||
|
||||
next unless -f $inc or $required;
|
||||
die "$this_program: can't open `$inc' ($!)\n"
|
||||
unless open INC, $inc;
|
||||
|
||||
my $key;
|
||||
my $hash = \%include;
|
||||
|
||||
while (<INC>)
|
||||
{
|
||||
# [section]
|
||||
if (/^\[([^]]+)\]/)
|
||||
{
|
||||
$key = uc $1;
|
||||
$key =~ s/^\s+//;
|
||||
$key =~ s/\s+$//;
|
||||
$hash = \%include;
|
||||
push @include, $key unless $include{$key};
|
||||
next;
|
||||
}
|
||||
|
||||
# /pattern/
|
||||
if (m!^/(.*)/([ims]*)!)
|
||||
{
|
||||
my $pat = $2 ? "(?$2)$1" : $1;
|
||||
|
||||
# Check pattern.
|
||||
eval { $key = qr($pat) };
|
||||
if ($@)
|
||||
{
|
||||
$@ =~ s/ at .*? line \d.*//;
|
||||
die "$inc:$.:$@";
|
||||
}
|
||||
|
||||
$hash = \%append;
|
||||
next;
|
||||
}
|
||||
|
||||
# Silently ignore anything before the first
|
||||
# section--allows for comments and revision info.
|
||||
next unless $key;
|
||||
|
||||
$hash->{$key} ||= '';
|
||||
$hash->{$key} .= $_;
|
||||
}
|
||||
|
||||
close INC;
|
||||
|
||||
die "$this_program: no valid information found in `$inc'\n"
|
||||
unless $key;
|
||||
}
|
||||
|
||||
# Compress trailing blank lines.
|
||||
for my $hash (\(%include, %append))
|
||||
{
|
||||
for (keys %$hash) { $hash->{$_} =~ s/\n+$/\n/ }
|
||||
}
|
||||
|
||||
# Turn off localisation of executable's ouput.
|
||||
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
|
||||
|
||||
# Turn off localisation of date (for strftime).
|
||||
setlocale LC_TIME, 'C';
|
||||
|
||||
# Grab help and version info from executable.
|
||||
my ($help_text, $version_text) = map {
|
||||
join '', map { s/ +$//; expand $_ } `$ARGV[0] --$_ 2>/dev/null`
|
||||
or die "$this_program: can't get `--$_' info from $ARGV[0]\n"
|
||||
} qw(help version);
|
||||
|
||||
my $date = strftime "%B %Y", localtime;
|
||||
(my $program = $ARGV[0]) =~ s!.*/!!;
|
||||
my $package = $program;
|
||||
my $version;
|
||||
|
||||
if ($opt_output)
|
||||
{
|
||||
unlink $opt_output
|
||||
or die "$this_program: can't unlink $opt_output ($!)\n"
|
||||
if -e $opt_output;
|
||||
|
||||
open STDOUT, ">$opt_output"
|
||||
or die "$this_program: can't create $opt_output ($!)\n";
|
||||
}
|
||||
|
||||
# The first line of the --version information is assumed to be in one
|
||||
# of the following formats:
|
||||
#
|
||||
# <version>
|
||||
# <program> <version>
|
||||
# {GNU,Free} <program> <version>
|
||||
# <program> ({GNU,Free} <package>) <version>
|
||||
# <program> - {GNU,Free} <package> <version>
|
||||
#
|
||||
# and seperated from any copyright/author details by a blank line.
|
||||
|
||||
($_, $version_text) = split /\n+/, $version_text, 2;
|
||||
|
||||
if (/^(\S+) +\(((?:GNU|Free) +[^)]+)\) +(.*)/ or
|
||||
/^(\S+) +- *((?:GNU|Free) +\S+) +(.*)/)
|
||||
{
|
||||
$program = $1;
|
||||
$package = $2;
|
||||
$version = $3;
|
||||
}
|
||||
elsif (/^((?:GNU|Free) +)?(\S+) +(.*)/)
|
||||
{
|
||||
$program = $2;
|
||||
$package = $1 ? "$1$2" : $2;
|
||||
$version = $3;
|
||||
}
|
||||
else
|
||||
{
|
||||
$version = $_;
|
||||
}
|
||||
|
||||
$program =~ s!.*/!!;
|
||||
|
||||
# No info for `info' itself.
|
||||
$opt_no_info = 1 if $program eq 'info';
|
||||
|
||||
# --name overrides --include contents.
|
||||
$include{NAME} = "$program \\- $opt_name\n" if $opt_name;
|
||||
|
||||
# Default (useless) NAME paragraph.
|
||||
$include{NAME} ||= "$program \\- manual page for $program $version\n";
|
||||
|
||||
# Man pages traditionally have the page title in caps.
|
||||
my $PROGRAM = uc $program;
|
||||
|
||||
# Extract usage clause(s) [if any] for SYNOPSIS.
|
||||
if ($help_text =~ s/^Usage:( +(\S+))(.*)((?:\n(?: {6}\1| *or: +\S).*)*)//m)
|
||||
{
|
||||
my @syn = $2 . $3;
|
||||
|
||||
if ($_ = $4)
|
||||
{
|
||||
s/^\n//;
|
||||
for (split /\n/) { s/^ *(or: +)?//; push @syn, $_ }
|
||||
}
|
||||
|
||||
my $synopsis = '';
|
||||
for (@syn)
|
||||
{
|
||||
$synopsis .= ".br\n" if $synopsis;
|
||||
s!^\S*/!!;
|
||||
s/^(\S+) *//;
|
||||
$synopsis .= ".B $1\n";
|
||||
s/\s+$//;
|
||||
s/(([][]|\.\.+)+)/\\fR$1\\fI/g;
|
||||
s/^/\\fI/ unless s/^\\fR//;
|
||||
$_ .= '\fR';
|
||||
s/(\\fI)( *)/$2$1/g;
|
||||
s/\\fI\\fR//g;
|
||||
s/^\\fR//;
|
||||
s/\\fI$//;
|
||||
s/^\./\\&./;
|
||||
|
||||
$synopsis .= "$_\n";
|
||||
}
|
||||
|
||||
$include{SYNOPSIS} ||= $synopsis;
|
||||
}
|
||||
|
||||
# Process text, initial section is DESCRIPTION.
|
||||
my $sect = 'DESCRIPTION';
|
||||
$_ = "$help_text\n\n$version_text";
|
||||
|
||||
# Normalise paragraph breaks.
|
||||
s/^\n+//;
|
||||
s/\n*$/\n/;
|
||||
s/\n\n+/\n\n/g;
|
||||
|
||||
# Temporarily exchange leading dots and backslashes for tokens.
|
||||
s/^\./\x80/mg;
|
||||
s/\\/\x81/g;
|
||||
|
||||
# Start a new paragraph (if required) for these.
|
||||
s/([^\n])\n(Report +bugs|Email +bug +reports +to|Written +by)/$1\n\n$2/g;
|
||||
|
||||
sub convert_option;
|
||||
|
||||
while (length)
|
||||
{
|
||||
# Convert some standard paragraph names.
|
||||
if (s/^(Options|Examples): *\n//)
|
||||
{
|
||||
$sect = uc $1;
|
||||
next;
|
||||
}
|
||||
|
||||
# Copyright section
|
||||
if (/^Copyright +[(\xa9]/)
|
||||
{
|
||||
$sect = 'COPYRIGHT';
|
||||
$include{$sect} ||= '';
|
||||
$include{$sect} .= ".PP\n" if $include{$sect};
|
||||
|
||||
my $copy;
|
||||
($copy, $_) = split /\n\n/, $_, 2;
|
||||
|
||||
for ($copy)
|
||||
{
|
||||
# Add back newline
|
||||
s/\n*$/\n/;
|
||||
|
||||
# Convert iso9959-1 copyright symbol or (c) to nroff
|
||||
# character.
|
||||
s/^Copyright +(?:\xa9|\([Cc]\))/Copyright \\(co/mg;
|
||||
|
||||
# Insert line breaks before additional copyright messages
|
||||
# and the disclaimer.
|
||||
s/(.)\n(Copyright |This +is +free +software)/$1\n.br\n$2/g;
|
||||
|
||||
# Join hyphenated lines.
|
||||
s/([A-Za-z])-\n */$1/g;
|
||||
}
|
||||
|
||||
$include{$sect} .= $copy;
|
||||
$_ ||= '';
|
||||
next;
|
||||
}
|
||||
|
||||
# Catch bug report text.
|
||||
if (/^(Report +bugs|Email +bug +reports +to) /)
|
||||
{
|
||||
$sect = 'REPORTING BUGS';
|
||||
}
|
||||
|
||||
# Author section.
|
||||
elsif (/^Written +by/)
|
||||
{
|
||||
$sect = 'AUTHOR';
|
||||
}
|
||||
|
||||
# Examples, indicated by an indented leading $, % or > are
|
||||
# rendered in a constant width font.
|
||||
if (/^( +)([\$\%>] )\S/)
|
||||
{
|
||||
my $indent = $1;
|
||||
my $prefix = $2;
|
||||
my $break = '.IP';
|
||||
$include{$sect} ||= '';
|
||||
while (s/^$indent\Q$prefix\E(\S.*)\n*//)
|
||||
{
|
||||
$include{$sect} .= "$break\n\\f(CW$prefix$1\\fR\n";
|
||||
$break = '.br';
|
||||
}
|
||||
|
||||
next;
|
||||
}
|
||||
|
||||
my $matched = '';
|
||||
$include{$sect} ||= '';
|
||||
|
||||
# Sub-sections have a trailing colon and the second line indented.
|
||||
if (s/^(\S.*:) *\n / /)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$include{$sect} .= qq(.SS "$1"\n);
|
||||
}
|
||||
|
||||
my $indent = 0;
|
||||
my $content = '';
|
||||
|
||||
# Option with description.
|
||||
if (s/^( {1,10}([+-]\S.*?))(?:( +)|\n( {20,}))(\S.*)\n//)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$indent = length ($4 || "$1$3");
|
||||
$content = ".TP\n\x82$2\n\x82$5\n";
|
||||
unless ($4)
|
||||
{
|
||||
# Indent may be different on second line.
|
||||
$indent = length $& if /^ {20,}/;
|
||||
}
|
||||
}
|
||||
|
||||
# Option without description.
|
||||
elsif (s/^ {1,10}([+-]\S.*)\n//)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$content = ".HP\n\x82$1\n";
|
||||
$indent = 80; # not continued
|
||||
}
|
||||
|
||||
# Indented paragraph with tag.
|
||||
elsif (s/^( +(\S.*?) +)(\S.*)\n//)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$indent = length $1;
|
||||
$content = ".TP\n\x82$2\n\x82$3\n";
|
||||
}
|
||||
|
||||
# Indented paragraph.
|
||||
elsif (s/^( +)(\S.*)\n//)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$indent = length $1;
|
||||
$content = ".IP\n\x82$2\n";
|
||||
}
|
||||
|
||||
# Left justified paragraph.
|
||||
else
|
||||
{
|
||||
s/(.*)\n//;
|
||||
$matched .= $& if %append;
|
||||
$content = ".PP\n" if $include{$sect};
|
||||
$content .= "$1\n";
|
||||
}
|
||||
|
||||
# Append continuations.
|
||||
while (s/^ {$indent}(\S.*)\n//)
|
||||
{
|
||||
$matched .= $& if %append;
|
||||
$content .= "\x82$1\n"
|
||||
}
|
||||
|
||||
# Move to next paragraph.
|
||||
s/^\n+//;
|
||||
|
||||
for ($content)
|
||||
{
|
||||
# Leading dot protection.
|
||||
s/\x82\./\x80/g;
|
||||
s/\x82//g;
|
||||
|
||||
# Convert options.
|
||||
s/(^| )(-[][\w=-]+)/$1 . convert_option $2/mge;
|
||||
}
|
||||
|
||||
# Check if matched paragraph contains /pat/.
|
||||
if (%append)
|
||||
{
|
||||
for my $pat (keys %append)
|
||||
{
|
||||
if ($matched =~ $pat)
|
||||
{
|
||||
$content .= ".PP\n" unless $append{$pat} =~ /^\./;
|
||||
$content .= $append{$pat};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$include{$sect} .= $content;
|
||||
}
|
||||
|
||||
# Refer to the real documentation.
|
||||
unless ($opt_no_info)
|
||||
{
|
||||
$sect = 'SEE ALSO';
|
||||
$include{$sect} ||= '';
|
||||
$include{$sect} .= ".PP\n" if $include{$sect};
|
||||
$include{$sect} .= <<EOT;
|
||||
The full documentation for
|
||||
.B $program
|
||||
is maintained as a Texinfo manual. If the
|
||||
.B info
|
||||
and
|
||||
.B $program
|
||||
programs are properly installed at your site, the command
|
||||
.IP
|
||||
.B info $program
|
||||
.PP
|
||||
should give you access to the complete manual.
|
||||
EOT
|
||||
}
|
||||
|
||||
# Output header.
|
||||
print <<EOT;
|
||||
.\\" DO NOT MODIFY THIS FILE! It was generated by $this_program $this_version.
|
||||
.TH $PROGRAM "$section" "$date" "$package $version" FSF
|
||||
EOT
|
||||
|
||||
# Section ordering.
|
||||
my @pre = qw(NAME SYNOPSIS DESCRIPTION OPTIONS EXAMPLES);
|
||||
my @post = ('AUTHOR', 'REPORTING BUGS', 'COPYRIGHT', 'SEE ALSO');
|
||||
my $filter = join '|', @pre, @post;
|
||||
|
||||
# Output content.
|
||||
for (@pre, (grep ! /^($filter)$/o, @include), @post)
|
||||
{
|
||||
if ($include{$_})
|
||||
{
|
||||
my $quote = /\W/ ? '"' : '';
|
||||
print ".SH $quote$_$quote\n";
|
||||
|
||||
for ($include{$_})
|
||||
{
|
||||
# Replace leading dot an backslash tokens.
|
||||
s/\x80/\\&./g;
|
||||
s/\x81/\\e/g;
|
||||
print;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
exit;
|
||||
|
||||
# Convert option dashes to \- to stop nroff from hyphenating 'em, and
|
||||
# embolden. Option arguments get italicised.
|
||||
sub convert_option
|
||||
{
|
||||
local $_ = '\fB' . shift;
|
||||
|
||||
s/-/\\-/g;
|
||||
unless (s/\[=(.*)\]$/\\fR[=\\fI$1\\fR]/)
|
||||
{
|
||||
s/=(.)/\\fR=\\fI$1/;
|
||||
s/ (.)/ \\fI$1/;
|
||||
$_ .= '\fR';
|
||||
}
|
||||
|
||||
$_;
|
||||
}
|
||||
Reference in New Issue
Block a user