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package Irssi::Script::InfoParser; |
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# ABSTRACT: Extract information from the C<$VERSION> and C<%IRSSI> headers of an Irssi script. |
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345297
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use strict; |
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use warnings; |
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use v5.12; |
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use Moose; |
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use namespace::autoclean; |
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use feature qw/switch/; |
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use Log::Any qw($log); |
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use PPI; |
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use PPI::Document; |
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use PPI::Dumper; |
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use Data::Dumper; |
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has 'file' |
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=> ( |
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is => 'rw', |
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isa => 'Str', |
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#required => 1, |
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); |
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has '_ppi_doc' |
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=> ( |
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is => 'rw', |
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isa => 'PPI::Document', |
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builder => '_load_ppi_doc', |
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lazy => 1, |
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); |
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has '_hash_keywords' |
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=> ( |
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is => 'ro', |
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isa => 'HashRef', |
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traits => [qw/Hash/], |
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builder => '_build_keyword_list', |
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handles => { |
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_is_keyword => 'exists', |
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}, |
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); |
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has 'metadata' |
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=> ( |
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traits => [qw/Hash/], |
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is => 'ro', |
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isa => 'HashRef', |
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lazy => 1, |
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builder => '_build_metadata', |
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writer => '_set_metadata', |
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handles => { |
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metadata_fields => 'keys', |
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has_field => 'exists', |
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}, |
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); |
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has 'version' |
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=> ( |
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is => 'ro', |
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isa => 'Str', |
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writer => '_set_version', |
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lazy => 1, |
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builder => '_build_version', |
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); |
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has 'split_authors' |
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=> ( |
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is => 'ro', |
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isa => 'Bool', |
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required => 1, |
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default => 0, |
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); |
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has '_is_parsed' |
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=> ( |
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is => 'rw', |
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isa => 'Bool', |
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default => 0, |
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); |
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sub _build_metadata { |
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my $ret = $_[0]->_parse_unless_done; |
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return $ret->{metadata}; |
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} |
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sub _build_version { |
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my $ret = $_[0]->_parse_unless_done; |
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return $ret->{version}; |
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} |
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sub _parse_unless_done { |
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my ($self) = @_; |
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return if $self->_is_parsed; |
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my $ret = $self->parse; |
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die "Parsing document failed" unless $ret; |
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return $ret; |
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} |
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sub _load_ppi_doc { |
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my ($self) = @_; |
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my $file = $self->file; |
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die "No Filename provided" unless $file; |
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my $doc = PPI::Document->new($file, readonly => 1); |
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if (not defined $doc) { |
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die "Exception parsing $file: $!" |
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} |
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if ($doc->errstr) { |
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die "Exception parsing $file: " . $doc->errstr; |
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} |
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return $doc; |
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} |
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sub verify_document_complete { |
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my ($self) = @_; |
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my $doc = $self->_ppi_doc; |
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128
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return $doc->complete; |
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} |
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131
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sub _build_keyword_list { |
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my @keywords = |
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("authors", "contact", "name", "description", "licence", |
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"license", "changed", "url", "commands", "changes", |
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"modules", "sbitems", "bugs", "url_ion", "note", |
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"patch", "original_authors","original_contact", |
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"contributors", |
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# TODO: this is going to be an arrayref, so it'll need special |
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# handling. Currently only in use in my scripts afaik. |
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# "requires", |
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); |
143
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144
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my $keyhash = {}; |
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$keyhash->{$_}++ for (@keywords); |
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147
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return $keyhash; |
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} |
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150
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# look for sequences of Symbol, Operator, Quote, Statement |
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sub parse { |
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my ($self) = @_; |
153
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_info('Entering parse()'); |
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155
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my $doc = $self->_ppi_doc; |
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die "Cannot parse an incomplete document" |
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unless $self->verify_document_complete; |
158
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159
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my $return_value = { version => 'UNKNOWN', |
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metadata => {}, |
161
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};; |
162
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my @ver_buf; |
163
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my @hash_buf; |
164
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165
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my $statements = $doc->find('PPI::Statement'); |
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_trace('Found ' . scalar @$statements . ' statements to process'); |
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168
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_trace('!!! starting statement processing loop'); |
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foreach my $stmt (@$statements) { |
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my $debug_str = "Statement: " . $stmt->class; |
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172
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my @tokens = $stmt->tokens; |
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$debug_str .= " Contains " . scalar(@tokens) . " tokens"; |
174
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175
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my @significant = grep { $_->significant } @tokens; |
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$debug_str .= " Of which " . scalar(@significant) . " are significant"; |
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178
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_trace($debug_str); |
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180
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my $collect_hash_tokens = 0; |
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my $collect_version_tokens = 0; |
182
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183
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_trace('entering significant token capture loop'); |
184
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foreach my $token (@significant) { |
185
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_trace("Token: " . $token->class . ': ' . $token->content); |
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187
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if (is_IRSSI_start_symbol($token)) { |
188
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$collect_hash_tokens = 1; |
189
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_trace("### starting HASH here"); |
190
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} |
191
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192
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if ($collect_hash_tokens) { |
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push @hash_buf, $token; |
194
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} |
195
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196
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if (is_VERSION_start_symbol($token)) { |
197
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$collect_version_tokens = 1; |
198
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_trace("**Starting version buffering here"); |
199
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} |
200
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201
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if ($collect_version_tokens) { |
202
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push @ver_buf, $token; |
203
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} |
204
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} |
205
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_trace('finished significant token capture loop'); |
206
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207
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# minimum of '$VERSION, =, <value>, ;' = 4 tokens. |
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if (@ver_buf > 3) { |
209
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210
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_debug("Going to parse version"); |
211
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_info("version buffer: '" . |
212
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join(" _ ", map { $_->content } @ver_buf) . "'"); |
213
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214
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my $version = $self->process_version_buffer(\@ver_buf); |
215
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216
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if (defined $version) { |
217
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$self->_set_version($version); |
218
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$return_value->{version} = $version; |
219
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_info("*** Version returned: $version"); |
220
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} else { |
221
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_warn("*** version parsing failed"); |
222
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} |
223
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@ver_buf = (); |
224
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} |
225
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if (@hash_buf > 3) { |
226
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_debug("Going to parse metahash"); |
227
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_info("buffer: '" . |
228
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join(" _ ", map { $_->content } @hash_buf) . "'"); |
229
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230
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my $meta = $self->process_irssi_buffer(\@hash_buf); |
231
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if (defined $meta) { |
232
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$self->_set_metadata($meta); |
233
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$return_value->{metadata} = $meta; |
234
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} |
235
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@hash_buf = (); |
236
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} |
237
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238
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} |
239
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240
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_trace('!!! finished statement processing loop'); |
241
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242
|
|
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|
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|
|
_info("version set to: " . $self->version); |
243
|
|
|
|
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|
|
_info("parse() complete. Returning $return_value"); |
244
|
|
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|
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|
|
$self->_is_parsed(1); |
245
|
|
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|
|
|
|
|
246
|
|
|
|
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|
|
return $return_value; |
247
|
|
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|
} |
248
|
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|
249
|
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|
|
sub process_version_buffer { |
250
|
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|
|
|
|
my ($self, $buffer) = @_; |
251
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|
|
|
|
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|
252
|
|
|
|
|
|
|
my $probable_version; |
253
|
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|
|
|
|
|
# TODO: worth making some sort of enum-ish type for the states? |
254
|
|
|
|
|
|
|
# would aid clarity, I suppose. |
255
|
|
|
|
|
|
|
my $state = 0; |
256
|
|
|
|
|
|
|
my $score = 0; |
257
|
|
|
|
|
|
|
|
258
|
|
|
|
|
|
|
while(my $token = shift(@$buffer)) { |
259
|
|
|
|
|
|
|
my $class = $token->class; |
260
|
|
|
|
|
|
|
my $content = $token->content; |
261
|
|
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|
|
262
|
|
|
|
|
|
|
given ($state) { |
263
|
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|
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264
|
|
|
|
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|
|
when (0) { |
265
|
|
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|
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|
|
if ($class =~ m/Symbol/ && $content =~ m/VERSION/) { |
266
|
|
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|
|
|
|
$state = 1; |
267
|
|
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|
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|
|
_trace("seen VERSION, moving to state 1"); |
268
|
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|
} |
269
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|
} |
270
|
|
|
|
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|
|
when (1) { |
271
|
|
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|
|
|
|
if ($class =~ m/Operator/ and $content =~ m/=/) { |
272
|
|
|
|
|
|
|
_trace("seen =, moving to state 2"); |
273
|
|
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|
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|
|
$state = 2; |
274
|
|
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|
|
|
|
} |
275
|
|
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|
|
} |
276
|
|
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|
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|
|
when (2) { |
277
|
|
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|
|
|
|
|
278
|
|
|
|
|
|
|
_trace("In state 2, token content: " . $content); |
279
|
|
|
|
|
|
|
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280
|
|
|
|
|
|
|
if ($probable_version = is_quoted_content($token)) { |
281
|
|
|
|
|
|
|
_debug("got quoted content: $probable_version"); |
282
|
|
|
|
|
|
|
$state = 3; |
283
|
|
|
|
|
|
|
|
284
|
|
|
|
|
|
|
} elsif ($probable_version = is_number($token)) { |
285
|
|
|
|
|
|
|
_debug("got quoted content: $probable_version"); |
286
|
|
|
|
|
|
|
$state = 3; |
287
|
|
|
|
|
|
|
|
288
|
|
|
|
|
|
|
} else { |
289
|
|
|
|
|
|
|
_info("** failed parse"); |
290
|
|
|
|
|
|
|
$state = 0; |
291
|
|
|
|
|
|
|
last; |
292
|
|
|
|
|
|
|
} |
293
|
|
|
|
|
|
|
} |
294
|
|
|
|
|
|
|
when (3) { |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
_trace("In state 3, type: " |
297
|
|
|
|
|
|
|
. $token->class . " content: " . $content); |
298
|
|
|
|
|
|
|
|
299
|
|
|
|
|
|
|
# TODO: I suppose it could not end with a semi-colon...? |
300
|
|
|
|
|
|
|
if (is_structure_semicolon($token)) { |
301
|
|
|
|
|
|
|
$state = 4; |
302
|
|
|
|
|
|
|
my $line_num = $token->line_number; |
303
|
|
|
|
|
|
|
_info("Probable Version Number: $probable_version " |
304
|
|
|
|
|
|
|
. "(score: $score) on line: $line_num"); |
305
|
|
|
|
|
|
|
last; |
306
|
|
|
|
|
|
|
} |
307
|
|
|
|
|
|
|
} |
308
|
|
|
|
|
|
|
default { $state = 0; } |
309
|
|
|
|
|
|
|
} |
310
|
|
|
|
|
|
|
} |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
if (defined $probable_version and $state == 4) { |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
# TODO: might want to think about something like this |
315
|
|
|
|
|
|
|
# re: line_num as a sanity check. |
316
|
|
|
|
|
|
|
# $version = $ver if defined($line) and $line < 50; |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
my $version = $probable_version; |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
# TODO: quoted_content should handle this already? |
321
|
|
|
|
|
|
|
$version =~ s/^['"]//; |
322
|
|
|
|
|
|
|
$version =~ s/['"]$//; |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
_debug("Extracted VERSION: $version"); |
325
|
|
|
|
|
|
|
return $version; |
326
|
|
|
|
|
|
|
} |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
_warn('process_version_buffer(): returning false'); |
329
|
|
|
|
|
|
|
return; |
330
|
|
|
|
|
|
|
} |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
sub is_number { |
333
|
|
|
|
|
|
|
my ($token) = @_; |
334
|
|
|
|
|
|
|
my $is_num = ($token->class =~ m/^PPI::Token::Number/) |
335
|
|
|
|
|
|
|
? 1 |
336
|
|
|
|
|
|
|
: 0; |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
if ($is_num) { |
339
|
|
|
|
|
|
|
_trace("is_number(): " . $token->content); |
340
|
|
|
|
|
|
|
return $token->content; |
341
|
|
|
|
|
|
|
} else { |
342
|
|
|
|
|
|
|
_trace("is_number(): returning false"); |
343
|
|
|
|
|
|
|
return; |
344
|
|
|
|
|
|
|
} |
345
|
|
|
|
|
|
|
} |
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
sub is_comma { |
348
|
|
|
|
|
|
|
my ($token) = @_; |
349
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Operator') and |
350
|
|
|
|
|
|
|
($token->content eq ',')) |
351
|
|
|
|
|
|
|
} |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
sub is_assign { |
354
|
|
|
|
|
|
|
my ($token) = @_; |
355
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Operator') and |
356
|
|
|
|
|
|
|
($token->content eq '=')) |
357
|
|
|
|
|
|
|
} |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
sub is_fat_arrow { |
360
|
|
|
|
|
|
|
my ($token) = @_; |
361
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Operator') and |
362
|
|
|
|
|
|
|
($token->content eq '=>')) |
363
|
|
|
|
|
|
|
} |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
sub is_concat { |
366
|
|
|
|
|
|
|
my ($token) = @_; |
367
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Operator') and |
368
|
|
|
|
|
|
|
($token->content eq '.')) |
369
|
|
|
|
|
|
|
} |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
sub is_structure_start { |
372
|
|
|
|
|
|
|
my ($token) = @_; |
373
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Structure') and |
374
|
|
|
|
|
|
|
($token->content eq '(')) |
375
|
|
|
|
|
|
|
} |
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
sub is_structure_end { |
378
|
|
|
|
|
|
|
my ($token) = @_; |
379
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Structure') and |
380
|
|
|
|
|
|
|
($token->content eq ')')) |
381
|
|
|
|
|
|
|
} |
382
|
|
|
|
|
|
|
|
383
|
|
|
|
|
|
|
sub is_structure_semicolon { |
384
|
|
|
|
|
|
|
my ($token) = @_; |
385
|
|
|
|
|
|
|
return (($token->class eq 'PPI::Token::Structure') and |
386
|
|
|
|
|
|
|
($token->content eq ';')) |
387
|
|
|
|
|
|
|
} |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
sub is_unquoted_word { # only hash keys are unquoted here. |
390
|
|
|
|
|
|
|
my ($token) = @_; |
391
|
|
|
|
|
|
|
return ($token->class eq 'PPI::Token::Word') |
392
|
|
|
|
|
|
|
? $token->content |
393
|
|
|
|
|
|
|
: (); |
394
|
|
|
|
|
|
|
} |
395
|
|
|
|
|
|
|
|
396
|
|
|
|
|
|
|
sub is_quoted_content { |
397
|
|
|
|
|
|
|
my ($token) = @_; |
398
|
|
|
|
|
|
|
if ($token->class =~ m/^PPI::Token::Quote::(Double|Single)/) { |
399
|
|
|
|
|
|
|
my $type = ($1 eq 'Double') ? '"' : "'"; |
400
|
|
|
|
|
|
|
my $content = $token->content; |
401
|
|
|
|
|
|
|
# remove quotes. |
402
|
|
|
|
|
|
|
$content =~ s/^$type//; $content =~ s/$type$//; |
403
|
|
|
|
|
|
|
_trace("is_quoted_content(): Content '$content'"); |
404
|
|
|
|
|
|
|
return $content; |
405
|
|
|
|
|
|
|
} |
406
|
|
|
|
|
|
|
_trace("is_quoted_content(): returning false."); |
407
|
|
|
|
|
|
|
return (); |
408
|
|
|
|
|
|
|
} |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
sub is_IRSSI_start_symbol { |
411
|
|
|
|
|
|
|
my ($token) = @_; |
412
|
|
|
|
|
|
|
return (($token->class =~ m/Symbol/) and |
413
|
|
|
|
|
|
|
($token->content =~ m/\%IRSSI/)); |
414
|
|
|
|
|
|
|
} |
415
|
|
|
|
|
|
|
|
416
|
|
|
|
|
|
|
sub is_VERSION_start_symbol { |
417
|
|
|
|
|
|
|
my ($token) = @_; |
418
|
|
|
|
|
|
|
return (($token->class =~ m/Symbol/) and |
419
|
|
|
|
|
|
|
($token->content =~ m/\$VERSION/)); |
420
|
|
|
|
|
|
|
} |
421
|
|
|
|
|
|
|
|
422
|
|
|
|
|
|
|
sub is_valid_info_hashkey { |
423
|
|
|
|
|
|
|
my ($self, $key) = @_; |
424
|
|
|
|
|
|
|
return $self->_is_keyword($key); |
425
|
|
|
|
|
|
|
} |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
sub process_irssi_buffer { |
428
|
|
|
|
|
|
|
my ($self, $buffer) = @_; |
429
|
|
|
|
|
|
|
#no warnings 'uninitialized'; |
430
|
|
|
|
|
|
|
_trace('entering process_irssi_buffer()'); |
431
|
|
|
|
|
|
|
# results accumulator. |
432
|
|
|
|
|
|
|
my $hash = {}; |
433
|
|
|
|
|
|
|
|
434
|
|
|
|
|
|
|
# state variables |
435
|
|
|
|
|
|
|
my $state = 0; |
436
|
|
|
|
|
|
|
my $preamble = 0; |
437
|
|
|
|
|
|
|
|
438
|
|
|
|
|
|
|
|
439
|
|
|
|
|
|
|
my ($key, $value); |
440
|
|
|
|
|
|
|
my $concat_next = 0; |
441
|
|
|
|
|
|
|
my $key_quoted = 0; |
442
|
|
|
|
|
|
|
my $concat_buf; |
443
|
|
|
|
|
|
|
|
444
|
|
|
|
|
|
|
PARSE: |
445
|
|
|
|
|
|
|
while (my $token = shift(@$buffer)) { |
446
|
|
|
|
|
|
|
_info("Token: " . $token->class . " Content: " . $token->content); |
447
|
|
|
|
|
|
|
#_info("** Mode: $state, intro: $intro, $key => $value "); |
448
|
|
|
|
|
|
|
|
449
|
|
|
|
|
|
|
if ($preamble < 3) { |
450
|
|
|
|
|
|
|
_trace('in preamble'); |
451
|
|
|
|
|
|
|
given ($preamble) { |
452
|
|
|
|
|
|
|
when (0) { |
453
|
|
|
|
|
|
|
if (is_IRSSI_start_symbol($token)) { |
454
|
|
|
|
|
|
|
$preamble = 1; |
455
|
|
|
|
|
|
|
_debug("Seen Start, Setting preamble to 1"); |
456
|
|
|
|
|
|
|
next PARSE; |
457
|
|
|
|
|
|
|
} |
458
|
|
|
|
|
|
|
} |
459
|
|
|
|
|
|
|
when (1) { |
460
|
|
|
|
|
|
|
if (is_assign($token)) { |
461
|
|
|
|
|
|
|
$preamble = 2; |
462
|
|
|
|
|
|
|
_debug("Seen Assign, Setting preamble to 2"); |
463
|
|
|
|
|
|
|
next PARSE; |
464
|
|
|
|
|
|
|
} |
465
|
|
|
|
|
|
|
} |
466
|
|
|
|
|
|
|
when (2) { |
467
|
|
|
|
|
|
|
if (is_structure_start($token)) { |
468
|
|
|
|
|
|
|
$preamble = 3; |
469
|
|
|
|
|
|
|
_debug("Seen Structure Start, Setting premable to 3"); |
470
|
|
|
|
|
|
|
|
471
|
|
|
|
|
|
|
next PARSE; |
472
|
|
|
|
|
|
|
} |
473
|
|
|
|
|
|
|
} |
474
|
|
|
|
|
|
|
} |
475
|
|
|
|
|
|
|
} |
476
|
|
|
|
|
|
|
_trace('past preamble'); |
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
# TODO: |
479
|
|
|
|
|
|
|
# need to check if anyone has quoted their first words, or |
480
|
|
|
|
|
|
|
# used commas rather than fat-arrows for key/val separation. |
481
|
|
|
|
|
|
|
given ($state) { |
482
|
|
|
|
|
|
|
when (0) { |
483
|
|
|
|
|
|
|
my $tmp; |
484
|
|
|
|
|
|
|
if ($tmp = is_unquoted_word($token)) { |
485
|
|
|
|
|
|
|
$key_quoted = 0; |
486
|
|
|
|
|
|
|
} elsif ($tmp = is_quoted_content($token)) { |
487
|
|
|
|
|
|
|
$key_quoted = 1; |
488
|
|
|
|
|
|
|
} |
489
|
|
|
|
|
|
|
|
490
|
|
|
|
|
|
|
if ($tmp and $self->is_valid_info_hashkey($tmp)) { |
491
|
|
|
|
|
|
|
$key = $tmp; |
492
|
|
|
|
|
|
|
_debug("Word ok, key=$key. Mode set to 1"); |
493
|
|
|
|
|
|
|
$state = 1; |
494
|
|
|
|
|
|
|
next PARSE; |
495
|
|
|
|
|
|
|
} else { |
496
|
|
|
|
|
|
|
$tmp ||= ''; |
497
|
|
|
|
|
|
|
_warn("parse failure, '$tmp' not a valid key"); |
498
|
|
|
|
|
|
|
last PARSE; |
499
|
|
|
|
|
|
|
} |
500
|
|
|
|
|
|
|
} |
501
|
|
|
|
|
|
|
when (1) { |
502
|
|
|
|
|
|
|
|
503
|
|
|
|
|
|
|
if ((is_fat_arrow($token)) or |
504
|
|
|
|
|
|
|
($key_quoted == 1 and is_comma($token))) { |
505
|
|
|
|
|
|
|
|
506
|
|
|
|
|
|
|
_debug("Mode 1 -> 2, Fat Arrow Delim (or comma)"); |
507
|
|
|
|
|
|
|
$state = 2; |
508
|
|
|
|
|
|
|
next PARSE; |
509
|
|
|
|
|
|
|
} |
510
|
|
|
|
|
|
|
} |
511
|
|
|
|
|
|
|
when (2) { |
512
|
|
|
|
|
|
|
|
513
|
|
|
|
|
|
|
if ($concat_buf = is_quoted_content($token)) { |
514
|
|
|
|
|
|
|
_debug("Mode 2 -> 3, Read quoted content"); |
515
|
|
|
|
|
|
|
if ($concat_next) { |
516
|
|
|
|
|
|
|
$value = $value . $concat_buf; |
517
|
|
|
|
|
|
|
$concat_next = 0; |
518
|
|
|
|
|
|
|
} else { |
519
|
|
|
|
|
|
|
$value = $concat_buf; |
520
|
|
|
|
|
|
|
} |
521
|
|
|
|
|
|
|
$state = 3; |
522
|
|
|
|
|
|
|
next PARSE; |
523
|
|
|
|
|
|
|
} |
524
|
|
|
|
|
|
|
} |
525
|
|
|
|
|
|
|
when (3) { |
526
|
|
|
|
|
|
|
if (is_concat($token)) { |
527
|
|
|
|
|
|
|
$concat_next = 1; |
528
|
|
|
|
|
|
|
$state = 2; |
529
|
|
|
|
|
|
|
_debug("Concat pending"); |
530
|
|
|
|
|
|
|
next PARSE; |
531
|
|
|
|
|
|
|
} |
532
|
|
|
|
|
|
|
|
533
|
|
|
|
|
|
|
if (is_comma($token) or is_structure_end($token)) { |
534
|
|
|
|
|
|
|
_debug("Mode 3, read comma, saving $key => $value"); |
535
|
|
|
|
|
|
|
|
536
|
|
|
|
|
|
|
$hash->{$key} = $value; |
537
|
|
|
|
|
|
|
$key = ''; |
538
|
|
|
|
|
|
|
$value = ''; |
539
|
|
|
|
|
|
|
$state = 0; |
540
|
|
|
|
|
|
|
next PARSE; |
541
|
|
|
|
|
|
|
} |
542
|
|
|
|
|
|
|
} |
543
|
|
|
|
|
|
|
default { |
544
|
|
|
|
|
|
|
if (is_structure_end($token) and $state != 0) { |
545
|
|
|
|
|
|
|
_warn("Something went wrong. " . |
546
|
|
|
|
|
|
|
"Incomplete parsing: $state/$key/$value"); |
547
|
|
|
|
|
|
|
} else { |
548
|
|
|
|
|
|
|
last PARSE; |
549
|
|
|
|
|
|
|
} |
550
|
|
|
|
|
|
|
} |
551
|
|
|
|
|
|
|
} |
552
|
|
|
|
|
|
|
} |
553
|
|
|
|
|
|
|
|
554
|
|
|
|
|
|
|
unless ($state == 0) { |
555
|
|
|
|
|
|
|
_warn("incomplete parsing, left in state: $state"); |
556
|
|
|
|
|
|
|
die; |
557
|
|
|
|
|
|
|
} |
558
|
|
|
|
|
|
|
$hash = $self->_postprocess_authors($hash) if $self->split_authors; |
559
|
|
|
|
|
|
|
return $hash; |
560
|
|
|
|
|
|
|
} |
561
|
|
|
|
|
|
|
|
562
|
|
|
|
|
|
|
sub _postprocess_authors { |
563
|
|
|
|
|
|
|
my ($self, $meta) = @_; |
564
|
|
|
|
|
|
|
_trace('_postprocess_authors() called'); |
565
|
|
|
|
|
|
|
|
566
|
|
|
|
|
|
|
return unless exists $meta->{authors}; |
567
|
|
|
|
|
|
|
|
568
|
|
|
|
|
|
|
my $authors_str = $meta->{authors}; |
569
|
|
|
|
|
|
|
my @authors = split /\s*,\s*/, $authors_str; |
570
|
|
|
|
|
|
|
_trace('authors split into: ' . join(' | ', @authors)); |
571
|
|
|
|
|
|
|
if (@authors > 1) { |
572
|
|
|
|
|
|
|
$meta->{authors} = \@authors; |
573
|
|
|
|
|
|
|
} else { |
574
|
|
|
|
|
|
|
$meta->{authors} = [ $authors_str ]; |
575
|
|
|
|
|
|
|
} |
576
|
|
|
|
|
|
|
return $meta; |
577
|
|
|
|
|
|
|
} |
578
|
|
|
|
|
|
|
|
579
|
|
|
|
|
|
|
|
580
|
|
|
|
|
|
|
sub _trace { |
581
|
|
|
|
|
|
|
if (@_ > 1) { |
582
|
|
|
|
|
|
|
$log->tracef(@_); |
583
|
|
|
|
|
|
|
} else { |
584
|
|
|
|
|
|
|
$log->trace($_[0]); |
585
|
|
|
|
|
|
|
} |
586
|
|
|
|
|
|
|
} |
587
|
|
|
|
|
|
|
|
588
|
|
|
|
|
|
|
sub _info { |
589
|
|
|
|
|
|
|
if (@_ > 1) { |
590
|
|
|
|
|
|
|
$log->infof(@_); |
591
|
|
|
|
|
|
|
} else { |
592
|
|
|
|
|
|
|
$log->info($_[0]); |
593
|
|
|
|
|
|
|
} |
594
|
|
|
|
|
|
|
} |
595
|
|
|
|
|
|
|
|
596
|
|
|
|
|
|
|
sub _debug { |
597
|
|
|
|
|
|
|
if (@_ > 1) { |
598
|
|
|
|
|
|
|
$log->debugf(@_); |
599
|
|
|
|
|
|
|
} else { |
600
|
|
|
|
|
|
|
$log->debug($_[0]); |
601
|
|
|
|
|
|
|
} |
602
|
|
|
|
|
|
|
} |
603
|
|
|
|
|
|
|
|
604
|
|
|
|
|
|
|
sub _warn { |
605
|
|
|
|
|
|
|
if (@_ > 1) { |
606
|
|
|
|
|
|
|
$log->warnf(@_); |
607
|
|
|
|
|
|
|
} else { |
608
|
|
|
|
|
|
|
$log->warn($_[0]); |
609
|
|
|
|
|
|
|
} |
610
|
|
|
|
|
|
|
} |
611
|
|
|
|
|
|
|
|
612
|
|
|
|
|
|
|
__PACKAGE__->meta->make_immutable; |
613
|
|
|
|
|
|
|
|
614
|
|
|
|
|
|
|
1; |
615
|
|
|
|
|
|
|
|
616
|
|
|
|
|
|
|
__END__ |
617
|
|
|
|
|
|
|
=pod |
618
|
|
|
|
|
|
|
|
619
|
|
|
|
|
|
|
=head1 NAME |
620
|
|
|
|
|
|
|
|
621
|
|
|
|
|
|
|
Irssi::Script::InfoParser - Extract information from the C<$VERSION> and C<%IRSSI> headers of an Irssi script. |
622
|
|
|
|
|
|
|
|
623
|
|
|
|
|
|
|
=head1 VERSION |
624
|
|
|
|
|
|
|
|
625
|
|
|
|
|
|
|
version 0.004 |
626
|
|
|
|
|
|
|
|
627
|
|
|
|
|
|
|
=head1 SYNOPSIS |
628
|
|
|
|
|
|
|
|
629
|
|
|
|
|
|
|
use Irssi::Script::InfoParser; |
630
|
|
|
|
|
|
|
|
631
|
|
|
|
|
|
|
my $parser = Irssi::Script::InfoParser->new(file => $script); |
632
|
|
|
|
|
|
|
my $version = $parser->version; |
633
|
|
|
|
|
|
|
|
634
|
|
|
|
|
|
|
my @fields = $parser->metadata_fields; |
635
|
|
|
|
|
|
|
my $metadata = $parser->metadata; |
636
|
|
|
|
|
|
|
|
637
|
|
|
|
|
|
|
foreach my $name (@fields) { |
638
|
|
|
|
|
|
|
say "Value is $metadata->{$name}!"; |
639
|
|
|
|
|
|
|
} |
640
|
|
|
|
|
|
|
|
641
|
|
|
|
|
|
|
or |
642
|
|
|
|
|
|
|
|
643
|
|
|
|
|
|
|
# assuming the authors field is actually defined. |
644
|
|
|
|
|
|
|
|
645
|
|
|
|
|
|
|
my $parser = Irssi::Script::InfoParser->new(file => $script, |
646
|
|
|
|
|
|
|
split_authors => 0); |
647
|
|
|
|
|
|
|
|
648
|
|
|
|
|
|
|
return unless $parser->has_field('authors'); |
649
|
|
|
|
|
|
|
|
650
|
|
|
|
|
|
|
my $authors_string = $parser->metadata->{authors}; |
651
|
|
|
|
|
|
|
|
652
|
|
|
|
|
|
|
my $parser = Irssi::Script::InfoParser->new(file => $script, |
653
|
|
|
|
|
|
|
split_authors => 1); |
654
|
|
|
|
|
|
|
|
655
|
|
|
|
|
|
|
my $authors_arrayref = $parser->metadata->{authors}; |
656
|
|
|
|
|
|
|
|
657
|
|
|
|
|
|
|
=head1 AUTHOR |
658
|
|
|
|
|
|
|
|
659
|
|
|
|
|
|
|
Tom Feist <shabble+cpan@metavore.org> |
660
|
|
|
|
|
|
|
|
661
|
|
|
|
|
|
|
=head1 COPYRIGHT AND LICENSE |
662
|
|
|
|
|
|
|
|
663
|
|
|
|
|
|
|
This software is copyright (c) 2011 by Tom Feist. |
664
|
|
|
|
|
|
|
|
665
|
|
|
|
|
|
|
This is free software; you can redistribute it and/or modify it under |
666
|
|
|
|
|
|
|
the same terms as the Perl 5 programming language system itself. |
667
|
|
|
|
|
|
|
|
668
|
|
|
|
|
|
|
=cut |
669
|
|
|
|
|
|
|
|