Annotation of todotxt/Text-Todo/lib/Text/Todo.pm, Revision 1.8
1.1 andrew 1: package Text::Todo;
2:
1.7 andrew 3: # $RedRiver: Todo.pm,v 1.6 2010/01/09 05:15:20 andrew Exp $
1.1 andrew 4:
5: use warnings;
6: use strict;
7: use Carp;
8:
1.2 andrew 9: use Class::Std::Utils;
10: use Text::Todo::Entry;
1.5 andrew 11: use File::Spec;
12:
13: use Data::Dumper;
1.2 andrew 14:
1.1 andrew 15: use version; our $VERSION = qv('0.0.1');
16:
1.2 andrew 17: {
18:
1.5 andrew 19: my %path_of;
1.2 andrew 20: my %list_of;
1.8 ! andrew 21: my %loaded_of;
1.1 andrew 22:
1.2 andrew 23: sub new {
1.5 andrew 24: my ( $class, $options ) = @_;
1.1 andrew 25:
1.2 andrew 26: my $self = bless anon_scalar(), $class;
27: my $ident = ident($self);
28:
1.5 andrew 29: $path_of{$ident} = {
30: todo_dir => undef,
31: todo_file => 'todo.txt',
32: done_file => undef,
33: report_file => undef,
34: };
35:
36: if ($options) {
37: if ( ref $options eq 'HASH' ) {
38: foreach my $opt ( keys %{$options} ) {
39: if ( exists $path_of{$ident}{$opt} ) {
40: $self->_path_to( $opt, $options->{$opt} );
41: }
42: else {
43: carp "Invalid option [$opt]";
44: }
45: }
46: }
47: else {
48: if ( -d $options ) {
49: $self->_path_to( 'todo_dir', $options );
50: }
51: elsif ( $options =~ /\.txt$/ixms ) {
52: $self->_path_to( 'todo_file', $options );
53: }
54: else {
55: carp "Unknown options [$options]";
56: }
57: }
58: }
59:
60: my $file = $self->_path_to('todo_file');
61: if ( defined $file && -e $file ) {
62: $self->load();
63: }
1.2 andrew 64:
65: return $self;
66: }
67:
1.5 andrew 68: sub _path_to {
69: my ( $self, $type, $path ) = @_;
70: my $ident = ident($self);
71:
72: if ( $type eq 'todo_dir' ) {
73: if ($path) {
74: $path_of{$ident}{$type} = $path;
75: }
76: return $path_of{$ident}{$type};
77: }
78:
79: if ($path) {
80: my ( $volume, $directories, $file )
81: = File::Spec->splitpath($path);
82: $path_of{$ident}{$type} = $file;
83:
84: if ($volume) {
85: $directories = File::Spec->catdir( $volume, $directories );
86: }
87:
88: # XXX Should we save complete paths to each file, mebbe only if
89: # the dirs are different?
90: if ($directories) {
91: $path_of{$ident}{todo_dir} = $directories;
92: }
93: }
94:
95: if ( $type =~ /(todo|done|report)_file/xms ) {
96: if ( my ( $pre, $post )
97: = $path_of{$ident}{$type} =~ /^(.*)$1(.*)\.txt$/ixms )
98: {
99: foreach my $f qw( todo done report ) {
100: if ( !defined $path_of{$ident}{ $f . '_file' } ) {
101: $path_of{$ident}{ $f . '_file' }
102: = $pre . $f . $post . '.txt';
103: }
104: }
105: }
106: }
107:
108: if ( defined $path_of{$ident}{todo_dir} ) {
109: return File::Spec->catfile( $path_of{$ident}{todo_dir},
110: $path_of{$ident}{$type} );
111: }
112:
113: return;
114: }
115:
1.3 andrew 116: sub file {
1.2 andrew 117: my ( $self, $file ) = @_;
118: my $ident = ident($self);
119:
1.5 andrew 120: if ( defined $file && exists $path_of{$ident}{$file} ) {
121: $file = $self->_path_to($file);
122: }
123: else {
124: $file = $self->_path_to( 'todo_file', $file );
1.2 andrew 125: }
126:
1.5 andrew 127: return $file;
1.3 andrew 128: }
129:
130: sub load {
131: my ( $self, $file ) = @_;
132: my $ident = ident($self);
133:
1.8 ! andrew 134: $loaded_of{$ident} = undef;
! 135:
! 136: if ( $list_of{$ident} = $self->listfile($file) ) {
! 137: $loaded_of{$ident} = $file;
! 138: return 1;
! 139: }
! 140:
! 141: return;
! 142: }
! 143:
! 144: sub listfile {
! 145: my ( $self, $file ) = @_;
! 146:
1.5 andrew 147: $file = $self->file($file);
148:
149: if ( !defined $file ) {
1.8 ! andrew 150: carp q{file can't be found};
! 151: return;
1.5 andrew 152: }
153:
154: if ( !-e $file ) {
1.8 ! andrew 155: carp "file [$file] does not exist";
1.5 andrew 156: return;
157: }
1.2 andrew 158:
159: my @list;
160: open my $fh, '<', $file or croak "Couldn't open [$file]: $!";
161: while (<$fh>) {
162: s/\r?\n$//xms;
1.8 ! andrew 163: next if !length $_;
1.2 andrew 164: push @list, Text::Todo::Entry->new($_);
165: }
166: close $fh or croak "Couldn't close [$file]: $!";
167:
1.8 ! andrew 168: return wantarray ? @list : \@list;
1.2 andrew 169: }
170:
171: sub save {
172: my ( $self, $file ) = @_;
173: my $ident = ident($self);
174:
1.5 andrew 175: $file = $self->file($file);
176: if ( !defined $file ) {
1.6 andrew 177: croak q{todo file can't be found};
1.5 andrew 178: }
1.2 andrew 179:
180: open my $fh, '>', $file or croak "Couldn't open [$file]: $!";
181: foreach my $e ( @{ $list_of{$ident} } ) {
1.3 andrew 182: print {$fh} $e->text . "\n"
183: or croak "Couldn't print to [$file]: $!";
1.2 andrew 184: }
185: close $fh or croak "Couldn't close [$file]: $!";
186:
187: return 1;
188: }
189:
190: sub list {
1.3 andrew 191: my ($self) = @_;
1.2 andrew 192: my $ident = ident($self);
1.6 andrew 193:
1.2 andrew 194: return if !$list_of{$ident};
1.6 andrew 195: return wantarray ? @{ $list_of{$ident} } : $list_of{$ident};
1.5 andrew 196: }
197:
198: sub listpri {
199: my ($self) = @_;
200:
201: my @list = grep { $_->priority } $self->list;
202:
203: return wantarray ? @list : \@list;
1.2 andrew 204: }
1.1 andrew 205:
1.3 andrew 206: sub add {
207: my ( $self, $entry ) = @_;
208: my $ident = ident($self);
209:
1.5 andrew 210: if ( !ref $entry ) {
211: $entry = Text::Todo::Entry->new($entry);
212: }
213: elsif ( ref $entry ne 'Text::Todo::Entry' ) {
214: croak(
215: 'entry is a ' . ref($entry) . ' not a Text::Todo::Entry!' );
216: }
217:
218: push @{ $list_of{$ident} }, $entry;
219:
220: return $entry;
221: }
222:
1.6 andrew 223: sub del {
1.5 andrew 224: my ( $self, $src ) = @_;
225: my $ident = ident($self);
226:
1.6 andrew 227: my $id = $self->_find_entry_id($src);
1.5 andrew 228:
229: my @list = $self->list;
1.6 andrew 230: my $entry = splice @list, $id, 1;
1.5 andrew 231: $list_of{$ident} = \@list;
232:
233: return $entry;
234: }
235:
236: sub move {
237: my ( $self, $entry, $dst ) = @_;
238: my $ident = ident($self);
239:
240: my $src = $self->_find_entry_id($entry);
241: my @list = $self->list;
242:
1.6 andrew 243: splice @list, $dst, 0, splice @list, $src, 1;
1.5 andrew 244:
245: $list_of{$ident} = \@list;
246:
247: return 1;
248: }
249:
1.6 andrew 250: sub listproj {
1.5 andrew 251: my ( $self, $entry, $dst ) = @_;
252: my $ident = ident($self);
253:
254: my %available_projects;
1.6 andrew 255: foreach my $e ( $self->list ) {
1.5 andrew 256: foreach my $p ( $e->projects ) {
257: $available_projects{$p} = 1;
258: }
259: }
260:
261: my @projects = sort keys %available_projects;
262:
263: return wantarray ? @projects : \@projects;
264: }
265:
1.8 ! andrew 266: sub archive { carp 'unsupported'; return }
! 267:
! 268: sub addto {
! 269: my ( $self, $file, $entry ) = @_;
! 270: my $ident = ident($self);
! 271:
! 272: $file = $self->file($file);
! 273: if ( !defined $file ) {
! 274: croak q{file can't be found};
! 275: }
! 276:
! 277: open my $fh, '>>', $file or croak "Couldn't open [$file]: $!";
! 278: print {$fh} $entry, "\n"
! 279: or croak "Couldn't print to [$file]: $!";
! 280: close $fh or croak "Couldn't close [$file]: $!";
! 281:
! 282: if ( defined $loaded_of{$ident} && $file eq $loaded_of{$ident} ) {
! 283: return $self->load($file);
! 284: }
! 285:
! 286: return 1;
! 287: }
1.5 andrew 288:
289: sub _find_entry_id {
290: my ( $self, $entry ) = @_;
291: my $ident = ident($self);
292:
1.3 andrew 293: if ( ref $entry ) {
294: if ( ref $entry ne 'Text::Todo::Entry' ) {
295: croak( 'entry is a '
296: . ref($entry)
297: . ' not a Text::Todo::Entry!' );
298: }
1.5 andrew 299:
300: my @list = $self->list;
301: foreach my $id ( 0 .. $#list ) {
302: if ( $list[$id] eq $entry ) {
303: return $id;
304: }
305: }
1.3 andrew 306: }
1.5 andrew 307: elsif ( $entry =~ /^\d+$/xms ) {
308: return $entry;
1.3 andrew 309: }
310:
1.5 andrew 311: croak "Invalid entry [$entry]!";
1.3 andrew 312: }
1.2 andrew 313: }
1.1 andrew 314:
1.2 andrew 315: 1; # Magic true value required at end of module
1.1 andrew 316: __END__
317:
318: =head1 NAME
319:
1.4 andrew 320: Text::Todo - Perl interface to todo_txt files
1.1 andrew 321:
1.6 andrew 322: =head1 VERSION
323:
324: I will have to figure out how to include $VERSION in this somehow.
325:
326: Perhaps RCS Id is good enough?
327:
1.7 andrew 328: $Id: Todo.pm,v 1.6 2010/01/09 05:15:20 andrew Exp $
1.1 andrew 329:
330: =head1 SYNOPSIS
331:
332: use Text::Todo;
333:
334: =head1 DESCRIPTION
335:
1.4 andrew 336: For more information see L<http://todotxt.com>
1.1 andrew 337:
338: =head1 INTERFACE
339:
1.2 andrew 340: =head2 new
341:
342: =head2 load
343:
344: =head2 save
345:
1.3 andrew 346: =head2 file
347:
1.2 andrew 348: =head2 list
1.3 andrew 349:
350: =head2 add
1.1 andrew 351:
352: =head1 DIAGNOSTICS
353:
354: =for author to fill in:
355: List every single error and warning message that the module can
356: generate (even the ones that will "never happen"), with a full
357: explanation of each problem, one or more likely causes, and any
358: suggested remedies.
359:
360: =over
361:
362: =item C<< Error message here, perhaps with %s placeholders >>
363:
364: [Description of error here]
365:
366: =item C<< Another error message here >>
367:
368: [Description of error here]
369:
370: [Et cetera, et cetera]
371:
372: =back
373:
374:
375: =head1 CONFIGURATION AND ENVIRONMENT
376:
377: Text::Todo requires no configuration files or environment variables.
378:
1.4 andrew 379: Someday it should be able to read and use the todo.sh config file.
380:
1.1 andrew 381:
382: =head1 DEPENDENCIES
383:
384: =for author to fill in:
385: A list of all the other modules that this module relies upon,
386: including any restrictions on versions, and an indication whether
387: the module is part of the standard Perl distribution, part of the
388: module's distribution, or must be installed separately. ]
389:
390: None.
391:
392:
393: =head1 INCOMPATIBILITIES
394:
395: None reported.
396:
397:
398: =head1 BUGS AND LIMITATIONS
399:
400: No bugs have been reported.
401:
402: Please report any bugs or feature requests to
403: C<bug-text-todo@rt.cpan.org>, or through the web interface at
404: L<http://rt.cpan.org>.
405:
406:
407: =head1 AUTHOR
408:
409: Andrew Fresh C<< <andrew@cpan.org> >>
410:
411:
412: =head1 LICENSE AND COPYRIGHT
413:
414: Copyright (c) 2009, Andrew Fresh C<< <andrew@cpan.org> >>. All rights reserved.
415:
416: This module is free software; you can redistribute it and/or
417: modify it under the same terms as Perl itself. See L<perlartistic>.
418:
419:
420: =head1 DISCLAIMER OF WARRANTY
421:
422: BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
423: FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
424: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
425: PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
426: EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
427: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
428: ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
429: YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
430: NECESSARY SERVICING, REPAIR, OR CORRECTION.
431:
432: IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
433: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
434: REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
435: LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
436: OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
437: THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
438: RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
439: FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
440: SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
441: SUCH DAMAGES.
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