diff options
Diffstat (limited to 'perl-install/Xconfig/parse.pm')
-rw-r--r-- | perl-install/Xconfig/parse.pm | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/perl-install/Xconfig/parse.pm b/perl-install/Xconfig/parse.pm deleted file mode 100644 index 9f4b40bd5..000000000 --- a/perl-install/Xconfig/parse.pm +++ /dev/null @@ -1,200 +0,0 @@ -package Xconfig::parse; # $Id$ - -use diagnostics; -use strict; - -use common; - - -sub read_XF86Config { - my ($file) = @_; - my $raw_X = raw_from_file($file); - from_raw(@$raw_X); - $raw_X; -} - -sub write_XF86Config { - my ($raw_X, $file) = @_; - my @blocks = map { raw_to_string(before_to_string({ %$_ }, 0)) } @$raw_X; - @blocks ? output($file, @blocks) : unlink $file; -} - -sub read_XF86Config_from_string { - my ($s) = @_; - my $raw_X = raw_from_file('-', [ split "\n", $s ]); - from_raw(@$raw_X); - $raw_X; -} - -#-############################################################################### -#- raw reading/saving -#-############################################################################### -sub raw_from_file { #- internal - my ($file, $lines) = @_; - my $raw_X = []; - - $lines ||= [ cat_($file) ]; - my $line; - my $weird = sub { warn "$file:$line: strange $_[0]" }; - - my ($comment, $obj, @objs); - - my $attach_comment = sub { - $obj || @objs or warn "$file:$line: can't attach comment\n"; - if ($comment) { - $comment =~ s/\n+$/\n/; - ($obj || $objs[0])->{$_[0] . '_comment'} = $comment; - $comment = ''; - } - }; - - foreach (@$lines) { - $line++; - s/^\s*//; s/\s*$//; - - if (/^$/) { - $comment .= "\n" if $comment; - next; - } elsif (/^#\W/ || /^#$/) { - s/^#\s+/# /; - $comment .= "$_\n"; - next; - } - - if (/^Section\s+"(.*)"/i) { - die "$file:$line: missing EndSection\n" if @objs; - my $e = { name => $1, l => [], kind => 'Section' }; - push @$raw_X, $e; - unshift @objs, $e; $obj = ''; - $attach_comment->('pre'); - } elsif (/^Subsection\s+"(.*)"/i) { - die "$file:$line: missing EndSubsection\n" if @objs && $objs[0]{kind} eq 'Subsection'; - die "$file:$line: not in Section\n" if !@objs || $objs[0]{kind} ne 'Section'; - my $e = { name => $1, l => [], kind => 'Subsection' }; - push @{$objs[0]{l}}, $e; - unshift @objs, $e; $obj = ''; - $attach_comment->('pre'); - } elsif (/^EndSection/i) { - die "$file:$line: not in Section\n" if !@objs || $objs[0]{kind} ne 'Section'; - $attach_comment->('post'); - shift @objs; $obj = ''; - } elsif (/^EndSubsection/i) { - die "$file:$line: not in Subsection\n" if !@objs || $objs[0]{kind} ne 'Subsection'; - $attach_comment->('post'); - my $e = shift @objs; $obj = ''; - } else { - die "$file:$line: not in Section\n" if !@objs; - - my $commented = s/^#//; - - my $comment_on_line; - s/(\s*#.*)/$comment_on_line = $1; ''/e; - - if (/^$/) { - die "$file:$line: weird"; - } - - (my $name, my $Option, $_) = - /^Option\s*"(.*?)"(.*)/ ? ($1, 1, $2) : /^(\S+)(.*)/ ? ($1, 0, $2) : internal_error($_); - my ($val) = /(\S.*)/; - - my %e = (Option => $Option, commented => $commented, comment_on_line => $comment_on_line, pre_comment => $comment); - $comment = ''; - $obj = { name => $name, val => $val }; - $e{$_} and $obj->{$_} = $e{$_} foreach keys %e; - - push @{$objs[0]{l}}, $obj; - } - } - $raw_X; -} - -sub raw_to_string { - my ($e, $want_spacing) = @_; - my $s = do { - if ($e->{l}) { - my $inside = join('', map_index { raw_to_string($_, $::i) } @{$e->{l}}); - $inside =~ s/^/ /mg; - qq(\n$e->{kind} "$e->{name}"\n) . $inside . "End$e->{kind}"; - } else { - ($e->{commented} ? '#' : '') . - ($e->{Option} ? qq(Option "$e->{name}") : $e->{name}) . - (defined $e->{val} ? ($e->{Option} && $e->{val} !~ /^"/ ? qq( "$e->{val}") : qq( $e->{val})) : ''); - } - }; - ($e->{pre_comment} ? ($want_spacing ? "\n" : '') . $e->{pre_comment} : '') . $s . ($e->{comment_on_line} || '') . "\n" . ($e->{post_comment} || ''); -} - -#-############################################################################### -#- refine the data structure for easier use -#-############################################################################### -my %kind_names = ( - Pointer => [ qw(Protocol Device Emulate3Buttons Emulate3Timeout) ], - Mouse => [ qw(DeviceName Protocol Device AlwaysCore Emulate3Buttons Emulate3Timeout) ], # Subsection in XInput - Keyboard => [ qw(Protocol Driver XkbModel XkbLayout XkbDisable) ], - Monitor => [ qw(Identifier VendorName ModelName HorizSync VertRefresh) ], - Device => [ qw(Identifier VendorName BoardName Chipset Driver VideoRam Screen BusID DPMS power_saver) ], - Display => [ qw(Depth Modes) ], # Subsection in Device - Screen => [ qw(Identifier Driver Device Monitor DefaultColorDepth) ], - InputDevice => [ qw(Identifier Driver Protocol Device Type Mode XkbModel XkbLayout XkbDisable Emulate3Buttons Emulate3Timeout) ], - WacomCursor => [ qw(Port) ], #-\ - WacomStylus => [ qw(Port) ], #--> Port must be first - WacomEraser => [ qw(Port) ], #-/ - ServerLayout => [ qw(Identifier) ], -); -my @want_string = qw(Identifier DeviceName VendorName ModelName BoardName Driver Device Chipset Monitor Protocol XkbModel XkbLayout XkbOptions Load BusID); - -%kind_names = map_each { lc $::a => [ map { lc } @$::b ] } %kind_names; -@want_string = map { lc } @want_string; - -sub from_raw { - foreach my $e (@_) { - ($e->{l}, my $l) = ({}, $e->{l}); - from_raw__rec($e, $_) foreach @$l; - - delete $e->{kind}; - } - - sub from_raw__rec { - my ($current, $e) = @_; - if ($e->{l}) { - from_raw($e); - push @{$current->{l}{$e->{name}}}, $e; - } else { - if (member(lc $e->{name}, @want_string)) { - $e->{val} =~ s/^"(.*)"$/$1/ or warn "$e->{name} $e->{val} has no quote\n"; - } - - if (member(lc $e->{name}, @{$kind_names{lc $current->{name}} || []})) { - if ($current->{l}{$e->{name}} && !$current->{l}{$e->{name}}{commented}) { - warn "skipping conflicting line for $e->{name} in $current->{name}\n" if !$e->{commented}; - } else { - $current->{l}{$e->{name}} = $e; - } - } else { - push @{$current->{l}{$e->{name}}}, $e; - } - } - delete $e->{name}; - } -} - -sub before_to_string { - my ($e, $depth) = @_; - - if ($e->{l}) { - $e->{kind} = $depth ? 'Subsection' : 'Section'; - - my %rated = map_index { $_ => $::i + 1 } @{$kind_names{lc $e->{name}} || []}; - my @sorted = sort { ($rated{lc $a} || 99) <=> ($rated{lc $b} || 99) } keys %{$e->{l}}; - $e->{l} = [ map { - my $name = $_; - map { - before_to_string({ name => $name, %$_ }, $depth+1); - } deref_array($e->{l}{$name}); - } @sorted ]; - } elsif (member(lc $e->{name}, @want_string)) { - $e->{val} = qq("$e->{val}"); - } - $e; -} |