SWE/DB/NamedText.pm

package SWE::DB::NamedText;
use strict;

sub new ($) {
  my $self = bless {
    root_directory_name => './',
    leaf_suffix => '.txt',
  }, shift;
  return $self;
} # new

sub _get_file_name ($$$) {
  my $self = shift;
  my $name = $_[0];
  my $mkdir = $_[1];
  
  my $encoded_name = $name;
  $encoded_name =~ s/([^0-9A-Za-z_-])/sprintf '@%06X', ord $1/ge;

  my $dir = $self->{root_directory_name};
  my $file_name = $dir . '/' . $encoded_name . $self->{leaf_suffix};

  unless ($mkdir) {
    return $file_name;
  }
  
  unless (-d $dir) {
    mkdir $dir or die "$0: $dir: $!";
  }

  $self->{version_control}->add_directory ($dir) if $self->{version_control};

  return $file_name;
} # _get_file_name

sub get_data ($$) {
  my $self = shift;
  my $file_name = $self->_get_file_name ($_[0]);

  unless (-f $file_name) {
    return undef;
  }

  open my $file, '<:encoding(utf8)', $file_name or die "$0: $file_name: $!";
  local $/ = undef;
  return \ (<$file>);
} # get_data

sub set_data ($$$) {
  my $self = shift;
  my $file_name = $self->_get_file_name ($_[0], 1);
  my $textref = $_[1];
  
  open my $file, '>:encoding(utf8)', $file_name or die "$0: $file_name: $!";
  print $file $$textref;
  close $file;

  $self->{version_control}->add_file ($file_name) if $self->{version_control};
} # set_data

1;
1	package SWE::DB::NamedText;
2	use strict;
3
4	sub new ($) {
5	my $self = bless {
6	root_directory_name => './',
7	leaf_suffix => '.txt',
8	}, shift;
9	return $self;
10	} # new
11
12	sub _get_file_name ($$$) {
13	my $self = shift;
14	my $name = $_[0];
15	my $mkdir = $_[1];
16
17	my $encoded_name = $name;
18	$encoded_name =~ s/([^0-9A-Za-z_-])/sprintf '@%06X', ord $1/ge;
19
20	my $dir = $self->{root_directory_name};
21	my $file_name = $dir . '/' . $encoded_name . $self->{leaf_suffix};
22
23	unless ($mkdir) {
24	return $file_name;
25	}
26
27	unless (-d $dir) {
28	mkdir $dir or die "$0: $dir: $!";
29	}
30
31	$self->{version_control}->add_directory ($dir) if $self->{version_control};
32
33	return $file_name;
34	} # _get_file_name
35
36	sub get_data ($$) {
37	my $self = shift;
38	my $file_name = $self->_get_file_name ($_[0]);
39
40	unless (-f $file_name) {
41	return undef;
42	}
43
44	open my $file, '<:encoding(utf8)', $file_name or die "$0: $file_name: $!";
45	local $/ = undef;
46	return \ (<$file>);
47	} # get_data
48
49	sub set_data ($$$) {
50	my $self = shift;
51	my $file_name = $self->_get_file_name ($_[0], 1);
52	my $textref = $_[1];
53
54	open my $file, '>:encoding(utf8)', $file_name or die "$0: $file_name: $!";
55	print $file $$textref;
56	close $file;
57
58	$self->{version_control}->add_file ($file_name) if $self->{version_control};
59	} # set_data
60
61	1;