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Interpreter: improve parsing of embedded commands

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Pragmatic Software 2023-05-11 08:08:38 -07:00
parent bd6af472e8
commit bc05915905
2 changed files with 24 additions and 16 deletions
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38
lib/PBot/Core/Interpreter.pm
View File

@ -992,12 +992,18 @@ sub add_botcmd_to_command_queue($self, $channel, $command, $delay = 0) {
# optional prefix may be or begin with a character group.
sub extract_bracketed($self, $string, $open_bracket = '{', $close_bracket = '}', $optional_prefix = '', $allow_whitespace = 0) {
my @prefix_group;
if ($optional_prefix =~ s/^\[(.*?)\]//) { @prefix_group = split //, $1; }
my @prefixes = split //, $optional_prefix;
my @opens = split //, $open_bracket;
my @closes = split //, $close_bracket;
my @prefix;
my $prefix_max;
if (!@prefix_group && $optional_prefix ne '""' && $optional_prefix ne "''") {
@prefix = split //, $optional_prefix;
$prefix_max = length $optional_prefix;
}
my @opens = split //, $open_bracket;
my @closes = split //, $close_bracket;
my $prefix_index = 0;
my $open_index = 0;
@ -1015,7 +1021,7 @@ sub extract_bracketed($self, $string, $open_bracket = '{', $close_bracket = '}',
my $bracket_pos;
my $bracket_level = 0;
my $prefix_group_match = @prefix_group ? 0 : 1;
my $prefix_match = @prefixes ? 0 : 1;
my $prefix_match = @prefix ? 0 : 1;
my $match = 0;
my @chars = split //, $string;
@ -1058,30 +1064,32 @@ sub extract_bracketed($self, $string, $open_bracket = '{', $close_bracket = '}',
if (not $extracted) {
if ($state eq 'prefixgroup' and @prefix_group and not $extracting) {
$prefix_group_match = 0;
foreach my $prefix_ch (@prefix_group) {
if ($ch eq $prefix_ch) {
$prefix_group_match = 1;
$state = 'prefixes';
$state = 'openbracket';
last;
} else {
$prefix_group_match = 0;
}
}
next if $prefix_group_match;
} elsif ($state eq 'prefixgroup' and not @prefix_group) {
$state = 'prefixes';
$state = 'prefix';
$prefix_index = 0;
}
if ($state eq 'prefixes') {
if (@prefixes and $ch eq $prefixes[$prefix_index]) {
if ($state eq 'prefix') {
if (@prefix and $prefix_index < $prefix_max and $ch eq $prefix[$prefix_index]) {
$token .= $ch if $extracting;
$prefix_match = 1;
$prefix_index++;
$state = 'openbracket';
if ($prefix_index >= $prefix_max) {
$state = 'openbracket';
}
next;
} elsif ($state eq 'prefixes' and not @prefixes) {
$state = 'openbracket';
} elsif (@prefix) {
$prefix_match = 0;
$state = 'prefixgroup';
}
}
@ -1102,7 +1110,7 @@ sub extract_bracketed($self, $string, $open_bracket = '{', $close_bracket = '}',
if ($match) {
$state = 'prefixgroup';
$prefix_group_match = 0 unless not @prefix_group;
$prefix_match = 0 unless not @prefixes;
$prefix_match = 0 unless not @prefix;
$match = 0;
$bracket_pos = $i if not $extracting;
if ($open_index == @opens) {

2
lib/PBot/VERSION.pm
View File

@ -25,7 +25,7 @@ use PBot::Imports;
# These are set by the /misc/update_version script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 4672,
BUILD_REVISION => 4673,
BUILD_DATE => "2023-05-11",
};