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Plugin/WordMorph: add neighbors subcommand; improve custom error messages

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Pragmatic Software 2022-09-07 17:52:48 -07:00
parent 0c22896f66
commit 219851ffaf
2 changed files with 24 additions and 5 deletions
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25
lib/PBot/Plugin/WordMorph.pm
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@ -35,7 +35,7 @@ sub unload {
}
use constant {
USAGE => 'Usage: wordmorph start [steps to solve [word length]] | custom <word1> <word2> | solve <solution> | hint [from direction] | check <word> | show | giveup',
USAGE => 'Usage: wordmorph start [steps to solve [word length]] | custom <word1> <word2> | solve <solution> | hint [from direction] | check <word> | neighbors <word> | show | giveup',
NO_MORPH_AVAILABLE => "There is no word morph available. Use `wordmorph start [steps to solve [word length]]` to create one.",
DB_UNAVAILABLE => "Word morph database not available.",
LEFT => 0,
@ -56,6 +56,22 @@ sub wordmorph {
my $channel = $context->{from};
given ($command) {
when ('neighbors') {
if (!@args || @args > 1) {
return 'Usage: wordmorph neighbors <word>; list the neighbors of a given word';
}
return DB_UNAVAILABLE if not $self->{db};
if (not exists $self->{db}->{length $args[0]}->{$args[0]}) {
return "I do not know this word `$args[0]`.";
}
my @neighbors = @{$self->{db}->{length $args[0]}->{$args[0]}};
my $count = @neighbors;
return "`$args[0]` has $count neighbor" . ($count != 1 ? 's' : '') . ": " . join(', ', sort @neighbors);
}
when ('check') {
if (!@args || @args > 1) {
return 'Usage: wordmorph check <word>; check if a word exists in the Word Morph database';
@ -400,11 +416,14 @@ sub transform {
my @path;
my (%leftstarts, %rightstarts);
die "I do not know this word `$left`.\n" if not exists $list->{$left};
die "I do not know this word `$right`.\n" if not exists $list->{$right};
SEARCH:
for (;;) {
my @left_ids = $leftstart..$#left; # choose array of indices of new words
$leftstart = $#left;
die "Cannot create word morph! Bad word '$left' :(\n" if $leftstarts{$leftstart}++ > 2; # finish search if the path could not be found
die "Cannot find a path from `$left` to `$right`.\n" if $leftstarts{$leftstart}++ > 2; # finish search if the path could not be found
for my $id (@left_ids) { # come through all new words
my @prefix = @{$left[$id]};
my $searched = pop @prefix;
@ -425,7 +444,7 @@ sub transform {
my @right_ids = $rightstart..$#right; # all the same :) the tree is build from both ends to speed up the process
$rightstart = $#right;
die "Cannot create word morph! Bad word '$right'\n" if $rightstarts{$rightstart}++ > 2;
die "Cannot find a path from `$left` to `$right`.\n" if $rightstarts{$rightstart}++ > 2; # finish search if the path could not be found
for my $id (@right_ids) { # build right relational table
my @prefix = @{$right[$id]};
my $searched = pop @prefix;

4
lib/PBot/VERSION.pm
View File

@ -25,8 +25,8 @@ use PBot::Imports;
# These are set by the /misc/update_version script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 4582,
BUILD_DATE => "2022-09-06",
BUILD_REVISION => 4584,
BUILD_DATE => "2022-09-07",
};
sub initialize {}