Annotation of todotxt/Text-Todo/lib/Text/Todo/Entry.pm, Revision 1.26
1.1 andrew 1: package Text::Todo::Entry;
2:
1.26 ! andrew 3: # $AFresh1: Entry.pm,v 1.25 2010/01/20 21:53:01 andrew Exp $
1.1 andrew 4:
5: use warnings;
6: use strict;
7: use Carp;
8:
1.22 andrew 9: use Class::Std::Utils;
1.1 andrew 10:
1.26 ! andrew 11: use version; our $VERSION = qv('0.1.1');
1.1 andrew 12:
13: {
1.22 andrew 14:
1.23 andrew 15: my @attr_refs = \(
16: my %text_of,
17:
18: my %tags_of,
19: my %priority_of,
20: my %completion_status_of,
21: my %known_tags_of,
22: );
1.3 andrew 23:
1.8 andrew 24: # XXX Should the completion (x) be case sensitive?
1.14 andrew 25: my $priority_completion_regex = qr{
1.8 andrew 26: ^ \s*
1.17 andrew 27: (?i:(x \s* [\d-]* ) \s*)?
28: (?i:\( ([A-Z]) \) \s*)?
1.14 andrew 29: }xms;
1.8 andrew 30:
1.22 andrew 31: sub new {
32: my ( $class, $options ) = @_;
33:
34: my $self = bless anon_scalar(), $class;
35: my $ident = ident($self);
1.1 andrew 36:
1.13 andrew 37: if ( !ref $options ) {
38: $options = { text => $options };
39: }
40: elsif ( ref $options ne 'HASH' ) {
41: croak 'Invalid parameter passed!';
42: }
43:
44: $known_tags_of{$ident} = {
45: context => q{@},
46: project => q{+},
47: };
48:
49: if ( exists $options->{tags} && ref $options->{tags} eq 'HASH' ) {
50: foreach my $k ( keys %{ $options->{tags} } ) {
51: $known_tags_of{$ident}{$k} = $options->{tags}->{$k};
52: }
53: }
54:
55: for my $tag ( keys %{ $known_tags_of{$ident} } ) {
56: ## no critic strict
57: no strict
58: 'refs'; # Violates use strict, but allows code generation
59: ## use critic
60:
61: if ( !$self->can( $tag . 's' ) ) {
62: *{ $tag . 's' } = sub {
63: my ($self) = @_;
64: return $self->_tags($tag);
65: };
66: }
67:
68: if ( !$self->can( 'in_' . $tag ) ) {
69: *{ 'in_' . $tag } = sub {
70: my ( $self, $item ) = @_;
71: return $self->_is_in( $tag . 's', $item );
72: };
73: }
74: }
75:
1.14 andrew 76: $self->replace( $options->{text} );
1.1 andrew 77:
78: return $self;
79: }
80:
1.14 andrew 81: sub replace {
1.1 andrew 82: my ( $self, $text ) = @_;
83: my $ident = ident($self);
84:
85: $text = defined $text ? $text : q{};
86:
87: $text_of{$ident} = $text;
88:
1.13 andrew 89: foreach my $tag ( keys %{ $known_tags_of{$ident} } ) {
90: my $symbol = quotemeta $known_tags_of{$ident}{$tag};
1.6 andrew 91: $tags_of{$ident}{$tag} = { map { $_ => q{} }
1.16 andrew 92: $text =~ / (?:^|\s) $symbol (\S*)/gxms };
1.3 andrew 93: }
1.17 andrew 94: my ( $completed, $priority )
1.8 andrew 95: = $text =~ / $priority_completion_regex /xms;
1.1 andrew 96:
1.17 andrew 97: $completion_status_of{$ident} = _clean_completed($completed);
1.18 andrew 98: $priority_of{$ident} = $priority;
1.17 andrew 99:
1.1 andrew 100: return 1;
101: }
102:
1.17 andrew 103: sub _clean_completed {
104: my ($completed) = @_;
105:
106: $completed ||= q{};
107: $completed =~ s/^\s+|\s+$//gxms;
108:
1.18 andrew 109: if ( !$completed ) {
1.17 andrew 110: return;
111: }
112:
1.18 andrew 113: if ( $completed =~ s/(x)\s*//ixms ) {
1.17 andrew 114: my $status = $1;
115: if ($completed) {
116: return $completed;
117: }
118: else {
119: return $status;
120: }
121: }
122:
123: return;
124: }
125:
1.3 andrew 126: sub _tags {
127: my ( $self, $tag ) = @_;
1.1 andrew 128: my $ident = ident($self);
129:
1.3 andrew 130: my @tags = sort keys %{ $tags_of{$ident}{$tag} };
131: return wantarray ? @tags : \@tags;
1.1 andrew 132: }
133:
1.3 andrew 134: sub _is_in {
1.5 andrew 135: my ( $self, $tags, $item ) = @_;
1.25 andrew 136: foreach ($self->$tags) {
137: return 1 if $_ eq $item;
138: }
139: return 0;
1.1 andrew 140: }
141:
1.3 andrew 142: sub text {
1.1 andrew 143: my ($self) = @_;
144: my $ident = ident($self);
145:
1.3 andrew 146: return $text_of{$ident};
1.1 andrew 147: }
148:
1.14 andrew 149: sub depri { my ($self) = @_; return $self->pri(q{}) }
1.11 andrew 150:
151: sub pri {
1.8 andrew 152: my ( $self, $new_pri ) = @_;
153: my $ident = ident($self);
154:
155: if ( $new_pri !~ /^[a-zA-Z]?$/xms ) {
156: croak "Invalid priority [$new_pri]";
157: }
158:
159: $priority_of{$ident} = $new_pri;
160:
161: return $self->prepend();
162: }
163:
1.1 andrew 164: sub priority {
1.8 andrew 165: my ( $self, $new_pri ) = @_;
1.1 andrew 166: my $ident = ident($self);
167:
168: return $priority_of{$ident};
169: }
170:
171: sub prepend {
172: my ( $self, $addition ) = @_;
173:
174: my $new = $self->text;
1.8 andrew 175: my @new;
176:
177: $new =~ s/$priority_completion_regex//xms;
1.1 andrew 178:
1.10 andrew 179: if ( $self->done ) {
1.20 andrew 180: if ( $self->done !~ /^x/ixms ) {
1.18 andrew 181: push @new, 'x';
182: }
1.9 andrew 183: push @new, $self->done;
1.1 andrew 184: }
1.8 andrew 185:
186: if ( $self->priority ) {
187: push @new, '(' . $self->priority . ')';
188: }
189:
190: if ( defined $addition && length $addition ) {
191: push @new, $addition;
1.1 andrew 192: }
193:
1.14 andrew 194: return $self->replace( join q{ }, @new, $new );
1.1 andrew 195: }
196:
197: sub append {
198: my ( $self, $addition ) = @_;
1.14 andrew 199: return $self->replace( join q{ }, $self->text, $addition );
1.1 andrew 200: }
201:
1.14 andrew 202: ## no critic 'homonym'
203: sub do { # This is what it is called in todo.sh
204: ## use critic
1.7 andrew 205: my ($self) = @_;
1.8 andrew 206: my $ident = ident($self);
1.7 andrew 207:
1.10 andrew 208: if ( $self->done ) {
1.7 andrew 209: return 1;
210: }
211:
1.18 andrew 212: $completion_status_of{$ident} = sprintf "%04d-%02d-%02d",
213: ( (localtime)[5] + 1900 ),
214: ( (localtime)[4] + 1 ),
215: ( (localtime)[3] );
1.8 andrew 216:
217: return $self->prepend();
1.7 andrew 218: }
219:
1.9 andrew 220: sub done {
221: my ($self) = @_;
222: my $ident = ident($self);
223:
224: return $completion_status_of{$ident};
225: }
226:
1.23 andrew 227: sub DESTROY {
228: my ($self) = @_;
229: my $ident = ident $self;
230: foreach my $attr_ref (@attr_refs) {
231: delete $attr_ref->{$ident};
232: }
233: }
1.1 andrew 234: }
235: 1; # Magic true value required at end of module
236: __END__
237:
238: =head1 NAME
239:
1.12 andrew 240: Text::Todo::Entry - An object for manipulating an entry on a Text::Todo list
1.1 andrew 241:
242:
243: =head1 VERSION
244:
1.12 andrew 245: Since the $VERSION can't be automatically included,
246: here is the RCS Id instead, you'll have to look up $VERSION.
247:
1.26 ! andrew 248: $Id: Entry.pm,v 1.25 2010/01/20 21:53:01 andrew Exp $
1.1 andrew 249:
250:
251: =head1 SYNOPSIS
252:
253: use Text::Todo::Entry;
254:
1.12 andrew 255: my $entry = Text::Todo::Entry->new('text of entry');
256:
257: $entry->append('+project');
258:
259: if ($entry->in_project('project') && ! $entry->priority) {
260: print $entry->text, "\n";
261: }
262:
263:
1.1 andrew 264: =head1 DESCRIPTION
265:
1.12 andrew 266: This module creates entries in a Text::Todo list.
267: It allows you to retrieve information about them and modify them.
268:
269: For more information see L<http://todotxt.com>
1.1 andrew 270:
271:
272: =head1 INTERFACE
273:
1.22 andrew 274: =head2 new
1.12 andrew 275:
276: Creates an entry that can be manipulated.
1.1 andrew 277:
1.13 andrew 278: my $entry = Text::Todo::Entry->new([
279: 'text of entry' | {
280: [ text => 'text of entry' ,]
281: [ tags => { additional_arg => 'identfier' }, ]
282: } ]);
1.12 andrew 283:
284: If you don't pass any text, creates a blank entry.
1.1 andrew 285:
1.13 andrew 286: See tags below for a description of additional tags.
287:
1.1 andrew 288: =head2 text
289:
1.12 andrew 290: Returns the text of the entry.
291:
292: print $entry->text, "\n";
293:
294: =head2 pri
295:
296: Sets the priority of an entry. If the priority is set to an empty string,
297: clears the priority.
298:
299: $entry->pri('B');
300:
301: Acceptible entries are an empty string, A-Z or a-z. Anything else will cause
302: an error.
303:
304: =head2 depri
305:
306: A convenience function that unsets priority by calling pri('').
307:
308: $entry->depri;
309:
1.1 andrew 310: =head2 priority
311:
1.12 andrew 312: Returns the priority of an entry which may be an empty string if it is
1.1 andrew 313:
1.12 andrew 314: my $priority = $entry->priority;
1.1 andrew 315:
1.12 andrew 316: =head2 tags
1.1 andrew 317:
1.12 andrew 318: Each tag type generates two accessor functions {tag}s and in_{tag}.
1.1 andrew 319:
1.12 andrew 320: Current tags are context (@) and project (+).
1.13 andrew 321:
322: When creating a new object you can pass in new tags to recognize.
323:
324: my $entry = Text::Todo::Entry->new({
325: text => 'do something DUE:2011-01-01',
326: tags => { due_date => 'DUE:' }
327: });
328:
329: my @due_dates = $entry->due_dates;
330:
331: then @due_dates eq ( '2011-01-01' );
332:
333: and you could also:
334:
335: if ($entry->in_due_date('2011-01-01')) {
336: # do something
337: }
338:
1.12 andrew 339:
340: =over
1.1 andrew 341:
1.12 andrew 342: =item {tag}s
1.1 andrew 343:
1.12 andrew 344: @tags = $entry->{tag}s;
1.7 andrew 345:
1.12 andrew 346: =item in_{tag}
1.7 andrew 347:
1.12 andrew 348: returns true if $entry is in the tag, false if not.
1.1 andrew 349:
1.12 andrew 350: if ($entry->in_{tag}('tag')) {
351: # do something
352: }
1.10 andrew 353:
1.12 andrew 354: =back
1.1 andrew 355:
1.12 andrew 356: =head3 context
1.1 andrew 357:
1.12 andrew 358: These are matched as a word beginning with @.
1.1 andrew 359:
360: =over
361:
1.12 andrew 362: =item contexts
1.1 andrew 363:
1.12 andrew 364: =item in_context
1.1 andrew 365:
1.12 andrew 366: =back
367:
368: =head3 project
369:
370: This is matched as a word beginning with +.
371:
372: =over
1.1 andrew 373:
1.12 andrew 374: =item projects
1.1 andrew 375:
1.12 andrew 376: =item in_project
1.1 andrew 377:
378: =back
379:
1.12 andrew 380: =head2 replace
381:
382: Replaces the text of an entry with completely new text. Useful if there has
383: been manual modification of the entry or just a new direction.
384:
385: $entry->replace('replacment text');
386:
387: =head2 prepend
388:
389: Attaches text (with a trailing space) to the beginning of an entry. Puts it
390: after the done() "x" and the priority() letter.
391:
392: $entry->prepend('NEED HELP');
393:
394: =head2 append
395:
396: Adds text to the end of an entry.
397: Useful for adding tags, or just additional information.
398:
399: $entry->append('@specific_store');
400:
401: =head2 do
402:
403: Marks an entry as completed.
404:
405: $entry->do;
406:
1.18 andrew 407: Does this by prepending "x `date '%Y-%m-%d'`" to the beginning of the entry.
1.12 andrew 408:
409: =head2 done
410:
411: Returns true if an entry is marked complete and false if not.
1.18 andrew 412:
413: if (!my $status = $entry->done) {
1.12 andrew 414: # remind me to do it
415: }
416:
1.18 andrew 417: If the entry starts as 'x date', for example 'x 2010-01-01', $status is now
418: '2010-01-01'.
419: If the entry just starts with 'x', then $status will be 'x'.
1.12 andrew 420:
421: =head1 DIAGNOSTICS
1.1 andrew 422:
423: =head1 CONFIGURATION AND ENVIRONMENT
424:
425: Text::Todo::Entry requires no configuration files or environment variables.
426:
427:
1.12 andrew 428: =head1 DEPENDENCIES
1.1 andrew 429:
1.12 andrew 430: Class::Std::Utils
431: List::Util
432: version
1.1 andrew 433:
434:
435: =head1 INCOMPATIBILITIES
436:
437: None reported.
438:
439:
440: =head1 BUGS AND LIMITATIONS
441:
1.12 andrew 442: No bugs have been reported.
443:
444: Known limitations:
1.1 andrew 445:
1.12 andrew 446: Sometimes leading whitespace may get screwed up when making changes. It
447: doesn't seem to be particularly a problem, but if you use whitespace to indent
448: entries for some reason it could be.
1.1 andrew 449:
450: Please report any bugs or feature requests to
451: C<bug-text-todo@rt.cpan.org>, or through the web interface at
452: L<http://rt.cpan.org>.
453:
454:
455: =head1 AUTHOR
456:
457: Andrew Fresh C<< <andrew@cpan.org> >>
458:
459:
460: =head1 LICENSE AND COPYRIGHT
461:
462: Copyright (c) 2009, Andrew Fresh C<< <andrew@cpan.org> >>. All rights reserved.
463:
464: This module is free software; you can redistribute it and/or
465: modify it under the same terms as Perl itself. See L<perlartistic>.
466:
467:
468: =head1 DISCLAIMER OF WARRANTY
469:
470: BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
471: FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
472: OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
473: PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
474: EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
475: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
476: ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
477: YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
478: NECESSARY SERVICING, REPAIR, OR CORRECTION.
479:
480: IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
481: WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
482: REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
483: LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
484: OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
485: THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
486: RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
487: FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
488: SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
489: SUCH DAMAGES.
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