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Rename FuncCommands.pm to Functions.pm; Functions can now be registered
This commit is contained in:
Pragmatic Software
parent
d3a2e6c40a
commit
232546f807
@ -1,236 +0,0 @@
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# File: FuncCommand.pm
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# Author: pragma_
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#
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# Purpose: Special `func` command that executes built-in functions with
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# optional arguments. Usage: func <identifier> [arguments].
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#
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# Intended usage is with command-substitution (&{}) or pipes (|{}).
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#
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# For example:
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#
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# factadd img /call echo https://google.com/search?q=&{func uri_escape $args}&tbm=isch
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#
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# The above would invoke the function 'uri_escape' on $args and then replace
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# the command-substitution with the result, thus escaping $args to be safely
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# used in the URL of this simple Google Image Search factoid command.
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::FuncCommand;
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use parent 'PBot::Class';
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use warnings; use strict;
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use feature 'unicode_strings';
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->register(sub { $self->do_func(@_) }, 'func', 0);
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$self->init_funcs;
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}
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# this is a subroutine so PBot::AdminCommands::reload() can reload
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# the funcs without requiring a bot restart.
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sub init_funcs {
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my ($self) = @_;
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$self->{funcs} = {
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help => {
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desc => 'provides help about a func',
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usage => 'help [func]',
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subref => sub { $self->func_help(@_) }
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},
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list => {
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desc => 'lists available funcs',
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usage => 'list [regex]',
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subref => sub { $self->func_list(@_) }
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},
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uri_escape => {
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desc => 'percent-encode unsafe URI characters',
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usage => 'uri_escape <text>',
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subref => sub { $self->func_uri_escape(@_) }
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},
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title => {
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desc => 'Title-cases text',
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usage => 'title <text>',
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subref => sub { $self->func_title(@_) }
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},
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ucfirst => {
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desc => 'Uppercases first character',
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usage => 'ucfirst <text>',
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subref => sub { $self->func_ucfirst(@_) }
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},
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uc => {
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desc => 'Uppercases all characters',
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usage => 'uc <text>',
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subref => sub { $self->func_uc(@_) }
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},
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lc => {
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desc => 'Lowercases all characters',
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usage => 'lc <text>',
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subref => sub { $self->func_lc(@_) }
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},
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sed => {
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desc => 'a sed-like stream editor',
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usage => 'sed s/<regex>/<replacement>/[Pig]; P preserve case; i ignore case; g replace all',
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subref => sub { $self->func_sed(@_) }
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},
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unquote => {
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desc => 'removes unescaped surrounding quotes and strips escapes from escaped quotes',
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usage => 'unquote <text>',
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subref => sub { $self->func_unquote(@_) }
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},
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};
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}
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sub do_func {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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my $func = $self->{pbot}->{interpreter}->shift_arg($stuff->{arglist});
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if (not defined $func) {
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return "Usage: func <keyword> [arguments]; see also: func help";
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}
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if (not exists $self->{funcs}->{$func}) {
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return "[No such func '$func']";
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}
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my @params;
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while (my $param = $self->{pbot}->{interpreter}->shift_arg($stuff->{arglist})) {
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push @params, $param;
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}
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my $result = $self->{funcs}->{$func}->{subref}->(@params);
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$result =~ s/\x1/1/g;
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return $result;
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}
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sub func_help {
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my ($self, $func) = @_;
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if (not length $func) {
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return "func: invoke built-in functions; usage: func <keyword> [arguments]; to list available functions: func list [regex]";
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}
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if (not exists $self->{funcs}->{$func}) {
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return "No such func '$func'.";
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}
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return "$func: $self->{funcs}->{$func}->{desc}; usage: $self->{funcs}->{$func}->{usage}";
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}
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sub func_list {
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my ($self, $regex) = @_;
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$regex = '.*' if not defined $regex;
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my $result = eval {
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my $text = '';
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foreach my $func (sort keys %{$self->{funcs}}) {
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if ($func =~ m/$regex/i or $self->{funcs}->{$func}->{desc} =~ m/$regex/i) {
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$text .= "$func, ";
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}
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}
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$text =~ s/,\s+$//;
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if (not length $text) {
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if ($regex eq '.*') {
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$text = "No funcs yet.";
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} else {
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$text = "No matching func.";
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}
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}
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return "Available funcs: $text; see also: func help <keyword>";
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};
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if ($@) {
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my $error = $@;
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$error =~ s/at PBot.FuncCommand.*$//;
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return "Error: $error\n";
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}
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return $result;
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}
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sub func_unquote {
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my $self = shift;
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my $text = "@_";
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$text =~ s/^"(.*?)(?<!\\)"$/$1/ || $text =~ s/^'(.*?)(?<!\\)'$/$1/;
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$text =~ s/(?<!\\)\\'/'/g;
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$text =~ s/(?<!\\)\\"/"/g;
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return $text;
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}
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use URI::Escape qw/uri_escape_utf8/;
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sub func_uri_escape {
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my $self = shift;
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my $text = "@_";
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return uri_escape_utf8($text);
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}
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sub func_title {
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my $self = shift;
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my $text = "@_";
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$text = ucfirst lc $text;
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$text =~ s/ (\w)/' ' . uc $1/ge;
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return $text;
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}
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sub func_ucfirst {
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my $self = shift;
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my $text = "@_";
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return ucfirst $text;
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}
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sub func_uc {
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my $self = shift;
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my $text = "@_";
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return uc $text;
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}
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sub func_lc {
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my $self = shift;
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my $text = "@_";
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return lc $text;
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}
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# near-verbatim insertion of krok's `sed` factoid
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no warnings;
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sub func_sed {
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my $self = shift;
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my $text = "@_";
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if ($text =~ /^s(.)(.*?)(?<!\\)\1(.*?)(?<!\\)\1(\S*)\s+(.*)/p) {
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my ($a, $r, $g, $m, $t) = ($5,"'\"$3\"'", index($4,"g") != -1, $4, $2);
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if ($m=~/P/) {
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$r =~ s/^'"(.*)"'$/$1/;
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$m=~s/P//g;
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if($g) {
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$a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|gie;
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} else {
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$a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|ie;
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}
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} else {
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if ($g) {
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$a =~ s/(?$m)$t/$r/geee;
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} else {
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$a=~s/(?$m)$t/$r/eee;
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}
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}
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return $a;
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} else {
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return "sed: syntax error";
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}
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}
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use warnings;
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1;
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114
PBot/Functions.pm
Normal file
114
PBot/Functions.pm
Normal file
@ -0,0 +1,114 @@
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# File: Functions.pm
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# Author: pragma_
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#
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# Purpose: Special `func` command that executes built-in functions with
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# optional arguments. Usage: func <identifier> [arguments].
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#
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# Intended usage is with command-substitution (&{}) or pipes (|{}).
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#
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# For example:
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#
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# factadd img /call echo https://google.com/search?q=&{func uri_escape $args}&tbm=isch
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#
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# The above would invoke the function 'uri_escape' on $args and then replace
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# the command-substitution with the result, thus escaping $args to be safely
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# used in the URL of this simple Google Image Search factoid command.
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::Functions;
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use parent 'PBot::Class';
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use warnings; use strict;
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use feature 'unicode_strings';
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{commands}->register(sub { $self->do_func(@_) }, 'func', 0);
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$self->register(
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'help',
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{
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desc => 'provides help about a func',
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usage => 'help [func]',
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subref => sub { $self->func_help(@_) }
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}
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);
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$self->register(
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'list',
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{
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desc => 'lists available funcs',
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usage => 'list [regex]',
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subref => sub { $self->func_list(@_) }
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}
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);
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}
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sub register {
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my ($self, $func, $data) = @_;
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$self->{funcs}->{$func} = $data;
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}
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sub unregister {
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my ($self, $func) = @_;
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delete $self->{funcs}->{$func};
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}
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sub do_func {
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my ($self, $from, $nick, $user, $host, $arguments, $stuff) = @_;
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my $func = $self->{pbot}->{interpreter}->shift_arg($stuff->{arglist});
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return "Usage: func <keyword> [arguments]; see also: func help" if not defined $func;
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return "[No such func '$func']" if not exists $self->{funcs}->{$func};
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my @params;
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while (my $param = $self->{pbot}->{interpreter}->shift_arg($stuff->{arglist})) {
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push @params, $param;
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}
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my $result = $self->{funcs}->{$func}->{subref}->(@params);
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$result =~ s/\x1/1/g;
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return $result;
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}
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sub func_help {
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my ($self, $func) = @_;
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return "func: invoke built-in functions; usage: func <keyword> [arguments]; to list available functions: func list [regex]" if not length $func;
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return "No such func '$func'." if not exists $self->{funcs}->{$func};
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return "$func: $self->{funcs}->{$func}->{desc}; usage: $self->{funcs}->{$func}->{usage}";
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}
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sub func_list {
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my ($self, $regex) = @_;
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$regex = '.*' if not defined $regex;
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my $result = eval {
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my $text = '';
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foreach my $func (sort keys %{$self->{funcs}}) {
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if ($func =~ m/$regex/i or $self->{funcs}->{$func}->{desc} =~ m/$regex/i) {
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$text .= "$func, ";
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}
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}
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$text =~ s/,\s+$//;
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if (not length $text) {
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if ($regex eq '.*') {
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$text = "No funcs yet.";
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} else {
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$text = "No matching func.";
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}
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}
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return "Available funcs: $text; see also: func help <keyword>";
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};
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if ($@) {
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my $error = $@;
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$error =~ s/at PBot.Functions.*$//;
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return "Error: $error\n";
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}
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return $result;
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}
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1;
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@ -46,7 +46,7 @@ use PBot::Refresher;
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use PBot::Plugins;
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use PBot::WebPaste;
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use PBot::Utils::ParseDate;
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use PBot::FuncCommand;
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use PBot::Functions;
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sub new {
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my ($proto, %conf) = @_;
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@ -125,7 +125,7 @@ sub initialize {
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$self->{logger}->log("plugin_dir: $plugin_dir\n");
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$self->{timer} = PBot::Timer->new(pbot => $self, timeout => 10, %conf);
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$self->{func_cmd} = PBot::FuncCommand->new(pbot => $self, %conf);
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$self->{functions} = PBot::Functions->new(pbot => $self, %conf);
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$self->{refresher} = PBot::Refresher->new(pbot => $self);
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# create registry and set some defaults
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@ -475,11 +475,6 @@ sub reload {
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$self->{factoids}->{factoids}->clear;
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$self->{factoids}->load_factoids;
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return "Factoids reloaded.";
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},
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'funcs' => sub {
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$self->{func_cmd}->init_funcs;
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return "Funcs reloaded.";
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}
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);
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