Commit | Line | Data |
---|---|---|
270d1e39 GS |
1 | package File::Spec::OS2; |
2 | ||
270d1e39 | 3 | use strict; |
a3371546 | 4 | use Cwd (); |
cbc7acb0 | 5 | require File::Spec::Unix; |
b4296952 | 6 | |
1a58b39a | 7 | our $VERSION = '3.69'; |
4f642d62 | 8 | $VERSION =~ tr/_//d; |
b4296952 | 9 | |
1a58b39a | 10 | our @ISA = qw(File::Spec::Unix); |
270d1e39 | 11 | |
cbc7acb0 JD |
12 | sub devnull { |
13 | return "/dev/nul"; | |
14 | } | |
270d1e39 | 15 | |
46726cbe CB |
16 | sub case_tolerant { |
17 | return 1; | |
18 | } | |
19 | ||
270d1e39 | 20 | sub file_name_is_absolute { |
cbc7acb0 | 21 | my ($self,$file) = @_; |
1b1e14d3 | 22 | return scalar($file =~ m{^([a-z]:)?[\\/]}is); |
270d1e39 GS |
23 | } |
24 | ||
25 | sub path { | |
270d1e39 GS |
26 | my $path = $ENV{PATH}; |
27 | $path =~ s:\\:/:g; | |
cbc7acb0 JD |
28 | my @path = split(';',$path); |
29 | foreach (@path) { $_ = '.' if $_ eq '' } | |
30 | return @path; | |
270d1e39 GS |
31 | } |
32 | ||
cbc7acb0 | 33 | sub tmpdir { |
82730d4c FC |
34 | my $cached = $_[0]->_cached_tmpdir(qw 'TMPDIR TEMP TMP'); |
35 | return $cached if defined $cached; | |
dfa4e5d3 | 36 | my @d = @ENV{qw(TMPDIR TEMP TMP)}; # function call could autovivivy |
82730d4c FC |
37 | $_[0]->_cache_tmpdir( |
38 | $_[0]->_tmpdir( @d, '/tmp', '/' ), qw 'TMPDIR TEMP TMP' | |
39 | ); | |
99804bbb GS |
40 | } |
41 | ||
638113eb JH |
42 | sub catdir { |
43 | my $self = shift; | |
44 | my @args = @_; | |
45 | foreach (@args) { | |
46 | tr[\\][/]; | |
47 | # append a backslash to each argument unless it has one there | |
48 | $_ .= "/" unless m{/$}; | |
49 | } | |
50 | return $self->canonpath(join('', @args)); | |
51 | } | |
52 | ||
f1e20921 IZ |
53 | sub canonpath { |
54 | my ($self,$path) = @_; | |
bf7c0a3d SP |
55 | return unless defined $path; |
56 | ||
f1e20921 IZ |
57 | $path =~ s/^([a-z]:)/\l$1/s; |
58 | $path =~ s|\\|/|g; | |
59 | $path =~ s|([^/])/+|$1/|g; # xx////xx -> xx/xx | |
60 | $path =~ s|(/\.)+/|/|g; # xx/././xx -> xx/xx | |
61 | $path =~ s|^(\./)+(?=[^/])||s; # ./xx -> xx | |
62 | $path =~ s|/\Z(?!\n)|| | |
63 | unless $path =~ m#^([a-z]:)?/\Z(?!\n)#si;# xx/ -> xx | |
638113eb JH |
64 | $path =~ s{^/\.\.$}{/}; # /.. -> / |
65 | 1 while $path =~ s{^/\.\.}{}; # /../xx -> /xx | |
f1e20921 IZ |
66 | return $path; |
67 | } | |
68 | ||
f1e20921 IZ |
69 | |
70 | sub splitpath { | |
71 | my ($self,$path, $nofile) = @_; | |
72 | my ($volume,$directory,$file) = ('','',''); | |
73 | if ( $nofile ) { | |
74 | $path =~ | |
75 | m{^( (?:[a-zA-Z]:|(?:\\\\|//)[^\\/]+[\\/][^\\/]+)? ) | |
76 | (.*) | |
77 | }xs; | |
78 | $volume = $1; | |
79 | $directory = $2; | |
80 | } | |
81 | else { | |
82 | $path =~ | |
83 | m{^ ( (?: [a-zA-Z]: | | |
84 | (?:\\\\|//)[^\\/]+[\\/][^\\/]+ | |
85 | )? | |
86 | ) | |
87 | ( (?:.*[\\\\/](?:\.\.?\Z(?!\n))?)? ) | |
88 | (.*) | |
89 | }xs; | |
90 | $volume = $1; | |
91 | $directory = $2; | |
92 | $file = $3; | |
93 | } | |
94 | ||
95 | return ($volume,$directory,$file); | |
96 | } | |
97 | ||
98 | ||
f1e20921 IZ |
99 | sub splitdir { |
100 | my ($self,$directories) = @_ ; | |
101 | split m|[\\/]|, $directories, -1; | |
102 | } | |
103 | ||
104 | ||
f1e20921 IZ |
105 | sub catpath { |
106 | my ($self,$volume,$directory,$file) = @_; | |
107 | ||
108 | # If it's UNC, make sure the glue separator is there, reusing | |
109 | # whatever separator is first in the $volume | |
110 | $volume .= $1 | |
111 | if ( $volume =~ m@^([\\/])[\\/][^\\/]+[\\/][^\\/]+\Z(?!\n)@s && | |
112 | $directory =~ m@^[^\\/]@s | |
113 | ) ; | |
114 | ||
115 | $volume .= $directory ; | |
116 | ||
117 | # If the volume is not just A:, make sure the glue separator is | |
118 | # there, reusing whatever separator is first in the $volume if possible. | |
119 | if ( $volume !~ m@^[a-zA-Z]:\Z(?!\n)@s && | |
120 | $volume =~ m@[^\\/]\Z(?!\n)@ && | |
121 | $file =~ m@[^\\/]@ | |
122 | ) { | |
123 | $volume =~ m@([\\/])@ ; | |
124 | my $sep = $1 ? $1 : '/' ; | |
125 | $volume .= $sep ; | |
126 | } | |
127 | ||
128 | $volume .= $file ; | |
129 | ||
130 | return $volume ; | |
131 | } | |
132 | ||
133 | ||
134 | sub abs2rel { | |
135 | my($self,$path,$base) = @_; | |
136 | ||
137 | # Clean up $path | |
138 | if ( ! $self->file_name_is_absolute( $path ) ) { | |
139 | $path = $self->rel2abs( $path ) ; | |
140 | } else { | |
141 | $path = $self->canonpath( $path ) ; | |
142 | } | |
143 | ||
144 | # Figure out the effective $base and clean it up. | |
145 | if ( !defined( $base ) || $base eq '' ) { | |
a3371546 | 146 | $base = Cwd::getcwd(); |
f1e20921 IZ |
147 | } elsif ( ! $self->file_name_is_absolute( $base ) ) { |
148 | $base = $self->rel2abs( $base ) ; | |
149 | } else { | |
150 | $base = $self->canonpath( $base ) ; | |
151 | } | |
152 | ||
153 | # Split up paths | |
638113eb JH |
154 | my ( $path_volume, $path_directories, $path_file ) = $self->splitpath( $path, 1 ) ; |
155 | my ( $base_volume, $base_directories ) = $self->splitpath( $base, 1 ) ; | |
156 | return $path unless $path_volume eq $base_volume; | |
f1e20921 IZ |
157 | |
158 | # Now, remove all leading components that are the same | |
159 | my @pathchunks = $self->splitdir( $path_directories ); | |
160 | my @basechunks = $self->splitdir( $base_directories ); | |
161 | ||
162 | while ( @pathchunks && | |
163 | @basechunks && | |
164 | lc( $pathchunks[0] ) eq lc( $basechunks[0] ) | |
165 | ) { | |
166 | shift @pathchunks ; | |
167 | shift @basechunks ; | |
168 | } | |
169 | ||
170 | # No need to catdir, we know these are well formed. | |
171 | $path_directories = CORE::join( '/', @pathchunks ); | |
172 | $base_directories = CORE::join( '/', @basechunks ); | |
173 | ||
174 | # $base_directories now contains the directories the resulting relative | |
175 | # path must ascend out of before it can descend to $path_directory. So, | |
176 | # replace all names with $parentDir | |
177 | ||
178 | #FA Need to replace between backslashes... | |
179 | $base_directories =~ s|[^\\/]+|..|g ; | |
180 | ||
181 | # Glue the two together, using a separator if necessary, and preventing an | |
182 | # empty result. | |
183 | ||
184 | #FA Must check that new directories are not empty. | |
185 | if ( $path_directories ne '' && $base_directories ne '' ) { | |
186 | $path_directories = "$base_directories/$path_directories" ; | |
187 | } else { | |
188 | $path_directories = "$base_directories$path_directories" ; | |
189 | } | |
190 | ||
191 | return $self->canonpath( | |
192 | $self->catpath( "", $path_directories, $path_file ) | |
193 | ) ; | |
194 | } | |
195 | ||
196 | ||
197 | sub rel2abs { | |
198 | my ($self,$path,$base ) = @_; | |
199 | ||
200 | if ( ! $self->file_name_is_absolute( $path ) ) { | |
201 | ||
202 | if ( !defined( $base ) || $base eq '' ) { | |
a3371546 | 203 | $base = Cwd::getcwd(); |
f1e20921 IZ |
204 | } |
205 | elsif ( ! $self->file_name_is_absolute( $base ) ) { | |
206 | $base = $self->rel2abs( $base ) ; | |
207 | } | |
208 | else { | |
209 | $base = $self->canonpath( $base ) ; | |
210 | } | |
211 | ||
212 | my ( $path_directories, $path_file ) = | |
213 | ($self->splitpath( $path, 1 ))[1,2] ; | |
214 | ||
215 | my ( $base_volume, $base_directories ) = | |
216 | $self->splitpath( $base, 1 ) ; | |
217 | ||
218 | $path = $self->catpath( | |
219 | $base_volume, | |
220 | $self->catdir( $base_directories, $path_directories ), | |
221 | $path_file | |
222 | ) ; | |
223 | } | |
224 | ||
225 | return $self->canonpath( $path ) ; | |
226 | } | |
227 | ||
270d1e39 GS |
228 | 1; |
229 | __END__ | |
230 | ||
231 | =head1 NAME | |
232 | ||
233 | File::Spec::OS2 - methods for OS/2 file specs | |
234 | ||
235 | =head1 SYNOPSIS | |
236 | ||
cbc7acb0 | 237 | require File::Spec::OS2; # Done internally by File::Spec if needed |
270d1e39 GS |
238 | |
239 | =head1 DESCRIPTION | |
240 | ||
72f15715 T |
241 | See L<File::Spec> and L<File::Spec::Unix>. This package overrides the |
242 | implementation of these methods, not the semantics. | |
95fb0f99 KW |
243 | |
244 | Amongst the changes made for OS/2 are... | |
245 | ||
246 | =over 4 | |
247 | ||
248 | =item tmpdir | |
249 | ||
250 | Modifies the list of places temp directory information is looked for. | |
251 | ||
252 | $ENV{TMPDIR} | |
253 | $ENV{TEMP} | |
254 | $ENV{TMP} | |
255 | /tmp | |
256 | / | |
257 | ||
258 | =item splitpath | |
259 | ||
260 | Volumes can be drive letters or UNC sharenames (\\server\share). | |
261 | ||
262 | =back | |
263 | ||
99f36a73 RGS |
264 | =head1 COPYRIGHT |
265 | ||
266 | Copyright (c) 2004 by the Perl 5 Porters. All rights reserved. | |
267 | ||
268 | This program is free software; you can redistribute it and/or modify | |
269 | it under the same terms as Perl itself. | |
270 | ||
95fb0f99 | 271 | =cut |