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001f2024c4
Uses POSIX shell parameter expansion syntax.
<pragma-> !factadd cookie /me gives a cookie to ${args:-nobody. What a shame}!
<PBot> cookie added to the global channel.
<pragma-> !cookie Bob
* PBot gives a cookie to Bob!
<pragma-> !cookie
* PBot gives a cookie to nobody. What a shame!
<pragma-> !factadd sum /call calc $arg[0]:-1 + $arg[1]:-2
<PBot> sum added to the global channel.
<pragma-> !sum
<PBot> 1 + 2 = 3
<pragma-> !sum 3
<PBot> 3 + 2 = 5
<pragma-> !sum 4 6
<PBot> 4 + 6 = 10
88 lines
3.3 KiB
Perl
88 lines
3.3 KiB
Perl
# File: Code.pm
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#
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# Purpose: Launching pad for code factoids. Configures $context as a code
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# factoid and executes the vm-client applet.
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# SPDX-FileCopyrightText: 2007-2023 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Core::Factoids::Code;
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use parent 'PBot::Core::Class';
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use PBot::Imports;
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use JSON;
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sub initialize {}
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sub execute($self, $context) {
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my $factoids = $self->{pbot}->{factoids}->{data}->{storage};
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my $interpolate = $factoids->get_data($context->{channel}, $context->{keyword}, 'interpolate');
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unless (defined $interpolate and not $interpolate) {
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if ($context->{code} =~ m/(?:\$\{?nick\b|\$\{?args\b|\$\{?arg\[)/ and length $context->{arguments}) {
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# disable nick overriding
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$context->{nickprefix_disabled} = 1;
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} else {
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# allow nick overriding
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$context->{nickprefix_disabled} = 0;
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}
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my $variables = $self->{pbot}->{factoids}->{variables};
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# expand factoid variables/selectors/etc in code
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$context->{code} = $variables->expand_factoid_vars($context, $context->{code});
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# expand factoid variables/selectors/etc in arguments
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$context->{arguments} = $variables->expand_factoid_vars($context, $context->{arguments});
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# expand factoid action $args
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if ($factoids->get_data($context->{channel}, $context->{keyword}, 'allow_empty_args')) {
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$context->{code} = $variables->expand_action_arguments($context, $context->{code}, $context->{arguments}, '');
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} else {
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$context->{code} = $variables->expand_action_arguments($context, $context->{code}, $context->{arguments}, $context->{nick});
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}
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} else {
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# otherwise allow nick overriding
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$context->{nickprefix_disabled} = 0;
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}
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# set up `vm-client` applet arguments
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my %args = (
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nick => $context->{nick},
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channel => $context->{from},
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lang => $context->{lang},
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code => $context->{code},
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arguments => $context->{arguments},
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factoid => "$context->{channel}:$context->{keyword}",
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);
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# the vm can persist filesystem data to external storage identified by a key.
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# if the `persist-key` factoid metadata is set, then use this key.
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my $persist_key = $factoids->get_data($context->{channel}, $context->{keyword}, 'persist-key');
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if (defined $persist_key) {
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$args{'persist-key'} = $persist_key;
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}
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# encode args to utf8 json string
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my $json = encode_json \%args;
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# update context details
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$context->{special} = 'code-factoid'; # ensure handle_result(), etc, process this as a code-factoid
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$context->{root_channel} = $context->{channel}; # override root channel to current channel
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$context->{keyword} = 'vm-client'; # code-factoid uses `vm-client` command to invoke vm
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$context->{arguments} = $json; # set arguments to json string as `vm-client` expects
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$context->{args_utf8} = 1; # arguments are utf8 encoded by encode_json
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# launch the `vm-client` applet
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$self->{pbot}->{applets}->execute_applet($context);
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# return undef since the applet process reader will
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# pass the output along to the result handler
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return undef;
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}
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1;
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