X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FRegexp-Wildcards.git;a=blobdiff_plain;f=lib%2FRegexp%2FWildcards.pm;h=b65eebe021ea48d90c8ffe45b6bafddc2d50a9a0;hp=15b42c79fccf5f0b8122a5db5938bc2d846e1eb0;hb=510bd793e8fac0683f0ac86adbfd48b5af7b14b9;hpb=0acfe1e394d884c4ff93c844467c446873681c24 diff --git a/lib/Regexp/Wildcards.pm b/lib/Regexp/Wildcards.pm index 15b42c7..b65eebe 100644 --- a/lib/Regexp/Wildcards.pm +++ b/lib/Regexp/Wildcards.pm @@ -13,13 +13,13 @@ Regexp::Wildcards - Converts wildcard expressions to Perl regular expressions. =head1 VERSION -Version 1.03 +Version 1.04 =cut use vars qw<$VERSION>; BEGIN { - $VERSION = '1.03'; + $VERSION = '1.04'; } =head1 SYNOPSIS @@ -96,7 +96,7 @@ my %captures = ( : '(.*?)') : '.*' }, brackets => sub { $_[1] ? '(' : '(?:'; }, - greedy => undef + greedy => undef, ); sub _validate { @@ -119,6 +119,7 @@ sub _validate { for (qw) { my $opt = $opts{$_}; next unless defined $opt; + my $cb = { '' => sub { +{ ($_[0] => 1) x (exists $valid->{$_[0]}) } }, 'ARRAY' => sub { +{ map { ($_ => 1) x (exists $valid->{$_}) } @{$_[0]} } }, @@ -140,24 +141,29 @@ sub _validate { sub _do { my $self = shift; + my $config; - $config->{do} = $self->_validate(\%escapes, $self->{do}, @_); - $config->{escape} = ''; + $config->{do} = $self->_validate(\%escapes, $self->{do}, @_); + $config->{escape} = ''; $config->{escape} .= $escapes{$_} for keys %{$config->{do}}; - $config->{escape} = quotemeta $config->{escape}; + $config->{escape} = quotemeta $config->{escape}; + $config; } sub do { my $self = shift; _check_self $self; - my $config = $self->_do(@_); + + my $config = $self->_do(@_); $self->{$_} = $config->{$_} for keys %$config; + $self; } sub _capture { my $self = shift; + my $config; $config->{capture} = $self->_validate(\%captures, $self->{capture}, @_); $config->{greedy} = delete $config->{capture}->{greedy}; @@ -165,50 +171,63 @@ sub _capture { $config->{'c_' . $_} = $captures{$_}->($config, $config->{capture}->{$_}) if $captures{$_}; # Skip 'greedy' } + $config; } sub capture { my $self = shift; _check_self $self; - my $config = $self->_capture(@_); + + my $config = $self->_capture(@_); $self->{$_} = $config->{$_} for keys %$config; + $self; } sub _type { my ($self, $type) = @_; - $type = 'unix' unless defined $type; - croak 'Wrong type' unless exists $types{$type}; - my $config = $self->_do($types{$type}); + $type = 'unix' unless defined $type; + croak 'Wrong type' unless exists $types{$type}; + + my $config = $self->_do($types{$type}); $config->{type} = $type; + $config; } sub type { my $self = shift; _check_self $self; - my $config = $self->_type(@_); + + my $config = $self->_type(@_); $self->{$_} = $config->{$_} for keys %$config; + $self; } sub new { my $class = shift; - $class = ref($class) || $class || __PACKAGE__; + $class = blessed($class) || $class || __PACKAGE__; + croak 'Optional arguments must be passed as key => value pairs' if @_ % 2; my %args = @_; - my $self = { }; - bless $self, $class; + + my $self = bless { }, $class; + if (defined $args{do}) { $self->do($args{do}); } else { $self->type($args{type}); } + $self->capture($args{capture}); } -=head2 C<< new [ do => $what E type => $type ], capture => $captures >> +=head2 C + + my $rw = Regexp::Wildcards->new(do => $what, capture => $capture); + my $rw = Regexp::Wildcards->new(type => $type, capture => $capture); Constructs a new L object. @@ -222,7 +241,12 @@ The C option overrides C. C lists which atoms should be capturing. Refer to L for more details. -=head2 C<< do [ $what E set => $c1, add => $c2, rem => $c3 ] >> +=head2 C + + $rw->do($what); + $rw->do(set => $c1); + $rw->do(add => $c2); + $rw->do(rem => $c3); Specifies the list of metacharacters to convert or to prevent for escaping. They fit into six classes : @@ -317,7 +341,9 @@ No argument means C<< set => [ ] >>. The C method returns the L object. -=head2 C +=head2 C + + $rw->type($type); Notifies to convert the metacharacters that corresponds to the predefined type C<$type>. C<$type> can be any of : @@ -370,7 +396,12 @@ In particular, you can usually pass C<$^O> as the C<$type> and get the correspon The C method returns the L object. -=head2 C<< capture [ $captures E set => $c1, add => $c2, rem => $c3 ] >> +=head2 C + + $rw->capture($captures); + $rw->capture(set => $c1); + $rw->capture(add => $c2); + $rw->capture(rem => $c3); Specifies the list of atoms to capture. This method works like L, except that the classes are different : @@ -422,7 +453,10 @@ Capture matching C<{ ... , ... }> alternations. The C method returns the L object. -=head2 C +=head2 C + + my $rx = $rw->convert($wc); + my $rx = $rw->convert($wc, $type); Converts the wildcard expression C<$wc> into a regular expression according to the options stored into the L object, or to C<$type> if it's supplied. It successively escapes all unprotected regexp special characters that doesn't hold any meaning for wildcards, then replace C<'jokers'>, C<'sql'> and C<'commas'> or C<'brackets'> (depending on the L or L options), all of this by applying the C<'capture'> rules specified in the constructor or by L. @@ -432,6 +466,7 @@ It successively escapes all unprotected regexp special characters that doesn't h sub convert { my ($self, $wc, $type) = @_; _check_self $self; + my $config = (defined $type) ? $self->_type($type) : $self; return unless defined $wc; @@ -460,7 +495,7 @@ sub convert { $wc = $self->{'c_brackets'} . $self->_commas($wc) . ')'; } - return $wc; + $wc } =head1 EXPORT @@ -512,55 +547,67 @@ sub _extract ($) { extract_bracketed $_[0], '{', qr/.*?(?{c_single}; s/(?{c_any}; s/(?{c_single}; s/(?{c_any}; s/(?_commas($prefix) . $self->_brackets($bracket); } $re .= $self->_commas($rest); - return $self->{c_brackets} . $re . ')'; + + $self->{c_brackets} . $re . ')'; } sub _bracketed { my ($self, $rest) = @_; + my ($re, $bracket, $prefix) = (''); while (do { ($bracket, $rest, $prefix) = _extract $rest; $bracket }) { $re .= $prefix . $self->_brackets($bracket); } $re .= $rest; + $re =~ s/(?