--- /dev/null
+#####################################################################
+#
+# the Perl::Tidy::FileWriter class writes the output file
+#
+#####################################################################
+
+package Perl::Tidy::FileWriter;
+use strict;
+use warnings;
+our $VERSION = '20190601';
+
+# Maximum number of little messages; probably need not be changed.
+my $MAX_NAG_MESSAGES = 6;
+
+sub write_logfile_entry {
+ my ( $self, $msg ) = @_;
+ my $logger_object = $self->{_logger_object};
+ if ($logger_object) {
+ $logger_object->write_logfile_entry($msg);
+ }
+ return;
+}
+
+sub new {
+ my ( $class, $line_sink_object, $rOpts, $logger_object ) = @_;
+
+ return bless {
+ _line_sink_object => $line_sink_object,
+ _logger_object => $logger_object,
+ _rOpts => $rOpts,
+ _output_line_number => 1,
+ _consecutive_blank_lines => 0,
+ _consecutive_nonblank_lines => 0,
+ _first_line_length_error => 0,
+ _max_line_length_error => 0,
+ _last_line_length_error => 0,
+ _first_line_length_error_at => 0,
+ _max_line_length_error_at => 0,
+ _last_line_length_error_at => 0,
+ _line_length_error_count => 0,
+ _max_output_line_length => 0,
+ _max_output_line_length_at => 0,
+ }, $class;
+}
+
+sub tee_on {
+ my $self = shift;
+ $self->{_line_sink_object}->tee_on();
+ return;
+}
+
+sub tee_off {
+ my $self = shift;
+ $self->{_line_sink_object}->tee_off();
+ return;
+}
+
+sub get_output_line_number {
+ my $self = shift;
+ return $self->{_output_line_number};
+}
+
+sub decrement_output_line_number {
+ my $self = shift;
+ $self->{_output_line_number}--;
+ return;
+}
+
+sub get_consecutive_nonblank_lines {
+ my $self = shift;
+ return $self->{_consecutive_nonblank_lines};
+}
+
+sub reset_consecutive_blank_lines {
+ my $self = shift;
+ $self->{_consecutive_blank_lines} = 0;
+ return;
+}
+
+sub want_blank_line {
+ my $self = shift;
+ unless ( $self->{_consecutive_blank_lines} ) {
+ $self->write_blank_code_line();
+ }
+ return;
+}
+
+sub require_blank_code_lines {
+
+ # write out the requested number of blanks regardless of the value of -mbl
+ # unless -mbl=0. This allows extra blank lines to be written for subs and
+ # packages even with the default -mbl=1
+ my ( $self, $count ) = @_;
+ my $need = $count - $self->{_consecutive_blank_lines};
+ my $rOpts = $self->{_rOpts};
+ my $forced = $rOpts->{'maximum-consecutive-blank-lines'} > 0;
+ foreach my $i ( 0 .. $need - 1 ) {
+ $self->write_blank_code_line($forced);
+ }
+ return;
+}
+
+sub write_blank_code_line {
+ my $self = shift;
+ my $forced = shift;
+ my $rOpts = $self->{_rOpts};
+ return
+ if (!$forced
+ && $self->{_consecutive_blank_lines} >=
+ $rOpts->{'maximum-consecutive-blank-lines'} );
+ $self->{_consecutive_blank_lines}++;
+ $self->{_consecutive_nonblank_lines} = 0;
+ $self->write_line("\n");
+ return;
+}
+
+sub write_code_line {
+ my $self = shift;
+ my $a = shift;
+
+ if ( $a =~ /^\s*$/ ) {
+ my $rOpts = $self->{_rOpts};
+ return
+ if ( $self->{_consecutive_blank_lines} >=
+ $rOpts->{'maximum-consecutive-blank-lines'} );
+ $self->{_consecutive_blank_lines}++;
+ $self->{_consecutive_nonblank_lines} = 0;
+ }
+ else {
+ $self->{_consecutive_blank_lines} = 0;
+ $self->{_consecutive_nonblank_lines}++;
+ }
+ $self->write_line($a);
+ return;
+}
+
+sub write_line {
+ my ( $self, $a ) = @_;
+
+ # TODO: go through and see if the test is necessary here
+ if ( $a =~ /\n$/ ) { $self->{_output_line_number}++; }
+
+ $self->{_line_sink_object}->write_line($a);
+
+ # This calculation of excess line length ignores any internal tabs
+ my $rOpts = $self->{_rOpts};
+ my $exceed = length($a) - $rOpts->{'maximum-line-length'} - 1;
+ if ( $a =~ /^\t+/g ) {
+ $exceed += pos($a) * ( $rOpts->{'indent-columns'} - 1 );
+ }
+
+ # Note that we just incremented output line number to future value
+ # so we must subtract 1 for current line number
+ if ( length($a) > 1 + $self->{_max_output_line_length} ) {
+ $self->{_max_output_line_length} = length($a) - 1;
+ $self->{_max_output_line_length_at} = $self->{_output_line_number} - 1;
+ }
+
+ if ( $exceed > 0 ) {
+ my $output_line_number = $self->{_output_line_number};
+ $self->{_last_line_length_error} = $exceed;
+ $self->{_last_line_length_error_at} = $output_line_number - 1;
+ if ( $self->{_line_length_error_count} == 0 ) {
+ $self->{_first_line_length_error} = $exceed;
+ $self->{_first_line_length_error_at} = $output_line_number - 1;
+ }
+
+ if (
+ $self->{_last_line_length_error} > $self->{_max_line_length_error} )
+ {
+ $self->{_max_line_length_error} = $exceed;
+ $self->{_max_line_length_error_at} = $output_line_number - 1;
+ }
+
+ if ( $self->{_line_length_error_count} < $MAX_NAG_MESSAGES ) {
+ $self->write_logfile_entry(
+ "Line length exceeded by $exceed characters\n");
+ }
+ $self->{_line_length_error_count}++;
+ }
+ return;
+}
+
+sub report_line_length_errors {
+ my $self = shift;
+ my $rOpts = $self->{_rOpts};
+ my $line_length_error_count = $self->{_line_length_error_count};
+ if ( $line_length_error_count == 0 ) {
+ $self->write_logfile_entry(
+ "No lines exceeded $rOpts->{'maximum-line-length'} characters\n");
+ my $max_output_line_length = $self->{_max_output_line_length};
+ my $max_output_line_length_at = $self->{_max_output_line_length_at};
+ $self->write_logfile_entry(
+" Maximum output line length was $max_output_line_length at line $max_output_line_length_at\n"
+ );
+
+ }
+ else {
+
+ my $word = ( $line_length_error_count > 1 ) ? "s" : "";
+ $self->write_logfile_entry(
+"$line_length_error_count output line$word exceeded $rOpts->{'maximum-line-length'} characters:\n"
+ );
+
+ $word = ( $line_length_error_count > 1 ) ? "First" : "";
+ my $first_line_length_error = $self->{_first_line_length_error};
+ my $first_line_length_error_at = $self->{_first_line_length_error_at};
+ $self->write_logfile_entry(
+" $word at line $first_line_length_error_at by $first_line_length_error characters\n"
+ );
+
+ if ( $line_length_error_count > 1 ) {
+ my $max_line_length_error = $self->{_max_line_length_error};
+ my $max_line_length_error_at = $self->{_max_line_length_error_at};
+ my $last_line_length_error = $self->{_last_line_length_error};
+ my $last_line_length_error_at = $self->{_last_line_length_error_at};
+ $self->write_logfile_entry(
+" Maximum at line $max_line_length_error_at by $max_line_length_error characters\n"
+ );
+ $self->write_logfile_entry(
+" Last at line $last_line_length_error_at by $last_line_length_error characters\n"
+ );
+ }
+ }
+ return;
+}
+1;
+
projects / perltidy.git / blobdiff