440 lines
9.0 KiB
Perl
440 lines
9.0 KiB
Perl
#
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# Copyright 1999, 2000, 2001 Patrik Stridvall
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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package options;
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use strict;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw();
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@EXPORT_OK = qw($options &parse_comma_list &parse_value);
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use vars qw($options);
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use output qw($output);
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sub parse_comma_list {
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my $prefix = shift;
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my $value = shift;
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if(defined($prefix) && $prefix eq "no") {
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return { active => 0, filter => 0, hash => {} };
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} elsif(defined($value)) {
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my %names;
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for my $name (split /,/, $value) {
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$names{$name} = 1;
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}
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return { active => 1, filter => 1, hash => \%names };
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} else {
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return { active => 1, filter => 0, hash => {} };
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}
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}
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sub parse_value {
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my $prefix = shift;
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my $value = shift;
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return $value;
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}
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package _options;
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use strict;
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use output qw($output);
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sub new {
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my $proto = shift;
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my $class = ref($proto) || $proto;
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my $self = {};
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bless ($self, $class);
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my $options_long = \%{$self->{_OPTIONS_LONG}};
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my $options_short = \%{$self->{_OPTIONS_SHORT}};
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my $options_usage = \${$self->{_OPTIONS_USAGE}};
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my $refoptions_long = shift;
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my $refoptions_short = shift;
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$$options_usage = shift;
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%$options_long = %{$refoptions_long};
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%$options_short = %{$refoptions_short};
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$self->options_set("default");
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my $arguments = \@{$self->{_ARGUMENTS}};
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@$arguments = ();
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my $end_of_options = 0;
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while(defined($_ = shift @ARGV)) {
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if(/^--$/) {
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$end_of_options = 1;
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next;
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} elsif($end_of_options) {
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# Nothing
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} elsif(/^--(all|none)$/) {
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$self->options_set("$1");
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next;
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} elsif(/^-([^=]*)(=(.*))?$/) {
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my $name;
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my $value;
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if(defined($2)) {
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$name = $1;
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$value = $3;
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} else {
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$name = $1;
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}
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if($name =~ /^([^-].*)$/) {
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$name = $$options_short{$1};
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} else {
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$name =~ s/^-(.*)$/$1/;
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}
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my $prefix;
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if(defined($name) && $name =~ /^no-(.*)$/) {
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$name = $1;
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$prefix = "no";
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if(defined($value)) {
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$output->write("options with prefix 'no' can't take parameters\n");
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return undef;
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}
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}
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my $option;
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if(defined($name)) {
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$option = $$options_long{$name};
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}
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if(defined($option)) {
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my $key = $$option{key};
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my $parser = $$option{parser};
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my $refvalue = \${$self->{$key}};
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my @parents = ();
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if(defined($$option{parent})) {
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if(ref($$option{parent}) eq "ARRAY") {
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@parents = @{$$option{parent}};
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} else {
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@parents = $$option{parent};
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}
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}
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if(defined($parser)) {
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if(!defined($value)) {
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$value = shift @ARGV;
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}
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$$refvalue = &$parser($prefix,$value);
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} else {
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if(defined($value)) {
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$$refvalue = $value;
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} elsif(!defined($prefix)) {
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$$refvalue = 1;
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} else {
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$$refvalue = 0;
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}
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}
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if((ref($$refvalue) eq "HASH" && $$refvalue->{active}) || $$refvalue) {
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while($#parents >= 0) {
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my @old_parents = @parents;
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@parents = ();
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foreach my $parent (@old_parents) {
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my $parentkey = $$options_long{$parent}{key};
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my $refparentvalue = \${$self->{$parentkey}};
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$$refparentvalue = 1;
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if(defined($$options_long{$parent}{parent})) {
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if(ref($$options_long{$parent}{parent}) eq "ARRAY") {
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push @parents, @{$$options_long{$parent}{parent}};
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} else {
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push @parents, $$options_long{$parent}{parent};
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}
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}
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}
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}
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}
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next;
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}
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}
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if(!$end_of_options && /^-(.*)$/) {
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$output->write("unknown option: $_\n");
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$output->write($$options_usage);
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exit 1;
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} else {
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push @$arguments, $_;
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}
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}
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if($self->help) {
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$output->write($$options_usage);
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$self->show_help;
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exit 0;
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}
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return $self;
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}
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sub DESTROY {
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}
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sub parse_files {
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my $self = shift;
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my $arguments = \@{$self->{_ARGUMENTS}};
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my $directories = \@{$self->{_DIRECTORIES}};
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my $c_files = \@{$self->{_C_FILES}};
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my $h_files = \@{$self->{_H_FILES}};
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my $error = 0;
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my @files = ();
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foreach (@$arguments) {
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if(!-e $_) {
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$output->write("$_: no such file or directory\n");
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$error = 1;
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} else {
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push @files, $_;
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}
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}
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if($error) {
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exit 1;
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}
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my @paths = ();
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my @c_files = ();
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my @h_files = ();
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foreach my $file (@files) {
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if($file =~ /\.c$/) {
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push @c_files, $file;
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} elsif($file =~ /\.h$/) {
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push @h_files, $file;
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} else {
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push @paths, $file;
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}
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}
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if($#c_files == -1 && $#h_files == -1 && $#paths == -1)
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{
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@paths = ".";
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}
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if($#paths != -1 || $#c_files != -1) {
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my $c_command = "find " . join(" ", @paths, @c_files) . " -name \\*.c";
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my %found;
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@$c_files = sort(map {
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s/^\.\/(.*)$/$1/;
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if(defined($found{$_})) {
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();
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} else {
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$found{$_}++;
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$_;
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}
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} split(/\n/, `$c_command`));
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}
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if($#paths != -1 || $#h_files != -1) {
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my $h_command = "find " . join(" ", @paths, @h_files) . " -name \\*.h";
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my %found;
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@$h_files = sort(map {
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s/^\.\/(.*)$/$1/;
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if(defined($found{$_})) {
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();
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} else {
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$found{$_}++;
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$_;
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}
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} split(/\n/, `$h_command`));
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}
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my %dirs;
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foreach my $file (@$c_files, @$h_files) {
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my $dir = $file;
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$dir =~ s%/?[^/]+$%%;
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if(!$dir) { $dir = "."; }
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$dirs{$dir}++
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}
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@$directories = sort(keys(%dirs));
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}
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sub options_set {
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my $self = shift;
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my $options_long = \%{$self->{_OPTIONS_LONG}};
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my $options_short = \%{$self->{_OPTIONS_SHORT}};
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local $_ = shift;
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for my $name (sort(keys(%$options_long))) {
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my $option = $$options_long{$name};
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my $key = uc($name);
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$key =~ tr/-/_/;
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$$option{key} = $key;
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my $refvalue = \${$self->{$key}};
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if(/^default$/) {
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$$refvalue = $$option{default};
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} elsif(/^all$/) {
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if($name !~ /^help|debug|verbose|module$/) {
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if(ref($$refvalue) ne "HASH") {
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$$refvalue = 1;
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} else {
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$$refvalue = { active => 1, filter => 0, hash => {} };
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}
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}
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} elsif(/^none$/) {
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if($name !~ /^help|debug|verbose|module$/) {
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if(ref($$refvalue) ne "HASH") {
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$$refvalue = 0;
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} else {
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$$refvalue = { active => 0, filter => 0, hash => {} };
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}
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}
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}
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}
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}
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sub show_help {
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my $self = shift;
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my $options_long = \%{$self->{_OPTIONS_LONG}};
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my $options_short = \%{$self->{_OPTIONS_SHORT}};
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my $maxname = 0;
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for my $name (sort(keys(%$options_long))) {
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if(length($name) > $maxname) {
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$maxname = length($name);
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}
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}
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for my $name (sort(keys(%$options_long))) {
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my $option = $$options_long{$name};
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my $description = $$option{description};
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my $default = $$option{default};
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my $current = ${$self->{$$option{key}}};
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my $value = $current;
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my $command;
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if(ref($value) ne "HASH") {
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if($value) {
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$command = "--no-$name";
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} else {
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$command = "--$name";
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}
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} else {
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if($value->{active}) {
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$command = "--[no-]$name\[=<value>]";
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} else {
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$command = "--$name\[=<value>]";
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}
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}
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$output->write($command);
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for (0..(($maxname - length($name) + 17) - (length($command) - length($name) + 1))) { $output->write(" "); }
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if(ref($value) ne "HASH") {
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if($value) {
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$output->write("Disable ");
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} else {
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$output->write("Enable ");
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}
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} else {
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if($value->{active}) {
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$output->write("(Disable) ");
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} else {
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$output->write("Enable ");
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}
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}
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if($default == $current) {
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$output->write("$description (default)\n");
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} else {
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$output->write("$description\n");
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}
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}
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}
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sub AUTOLOAD {
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my $self = shift;
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my $name = $_options::AUTOLOAD;
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$name =~ s/^.*::(.[^:]*)$/\U$1/;
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my $refvalue = $self->{$name};
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if(!defined($refvalue)) {
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die "<internal>: options.pm: member $name does not exists\n";
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}
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if(ref($$refvalue) ne "HASH") {
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return $$refvalue;
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} else {
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return $$refvalue->{active};
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}
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}
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sub arguments {
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my $self = shift;
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my $arguments = \@{$self->{_ARGUMENTS}};
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return @$arguments;
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}
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sub c_files {
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my $self = shift;
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my $c_files = \@{$self->{_C_FILES}};
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if(!defined(@$c_files)) {
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$self->parse_files;
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}
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return @$c_files;
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}
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sub h_files {
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my $self = shift;
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my $h_files = \@{$self->{_H_FILES}};
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if(!defined(@$h_files)) {
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$self->parse_files;
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}
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return @$h_files;
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}
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sub directories {
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my $self = shift;
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my $directories = \@{$self->{_DIRECTORIES}};
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if(!defined(@$directories)) {
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$self->parse_files;
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}
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return @$directories;
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}
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1;
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