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=head1 NAME |
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|
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SuikaWiki::DB::FileSystem::Base |
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|
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=head1 SYNOPSIS |
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|
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package Example::WikiDBModule; |
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push our @ISA, 'SuikaWiki::DB::FileSystem::Base'; |
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|
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sub ... { |
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|
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} |
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|
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... |
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|
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=head1 DESCRIPTION |
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|
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|
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|
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This module is part of SuikaWiki. |
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|
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=cut |
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|
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package SuikaWiki::DB::FileSystem::Count; |
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use strict; |
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our $VERSION=do{my @r=(q$Revision: 1.3 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
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require SuikaWiki::DB::FileSystem::Base; |
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push our @ISA, 'SuikaWiki::DB::FileSystem::Base'; |
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use IO::File; |
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|
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sub get ($$$;%) { |
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my ($self, $prop, $key, %opt) = @_; |
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report SuikaWiki::DB::Util::Error |
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-type => 'KEY_INVALID_NAME', key => $key, |
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-object => $self, method => 'get' |
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unless $opt{no_key_check} or |
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$self->__check_key (key => $key); |
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|
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unless ($self->{opened}->{$prop}) { |
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local $Error::Depth = $Error::Depth + 1; |
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$self->open_prop (prop => $prop); |
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} |
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|
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my $skey = join "\x00", @$key; |
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if ($self->{data}->{$skey}) { |
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return $self->{data}->{$skey}; |
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} |
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|
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my $path = $self->__key2filepath (key => $key); |
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|
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if (-e $path) { |
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my $file = new IO::File $path, '<' |
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or report SuikaWiki::DB::Util::Error |
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-type => 'FILE_READ_FAILURE', |
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-object => $self, method => 'get', |
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file => $path, msg => $!; |
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local $/ = "\x0A"; |
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while (defined (my $line = <$file>)) { |
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$line =~ tr/\x0A\x0D//d; |
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my ($value, $uri) = split /\x09/, $line, 2; |
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$self->{data}->{$skey}->{$uri} += $value + 0; |
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} |
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$self->{data_original}->{$skey} = {%{$self->{data}->{$skey} || {}}}; |
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return $self->{data}->{$skey}; |
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} else { |
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$self->{data_original}->{$skey} = {}; |
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return $self->{data}->{$skey} = {}; |
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} |
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} |
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|
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sub set ($$$$;%) { |
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my ($self, $prop, $key, $val, %opt) = @_; |
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report SuikaWiki::DB::Util::Error |
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-type => 'KEY_INVALID_NAME', key => $key, |
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-object => $self, method => 'set' |
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unless $opt{no_key_check} or |
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$self->__check_key (key => $key); |
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|
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unless ($self->{opened}->{$prop}) { |
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local $Error::Depth = $Error::Depth + 1; |
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$self->open_prop (prop => $prop); |
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} |
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|
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if (not $self->{lock} or $self->{lock}->writable) { |
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my $dirpath = $self->__key2dirpath (fullkey => $key); |
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unless ($self->{option}->{auto_mkdir} or -d $dirpath) { |
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report SuikaWiki::DB::Util::Error |
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-type => 'FILE_WRITE_FAILURE__NO_DIR', |
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-object => $self, method => 'set', |
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file => $dirpath; |
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return 0; |
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} |
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$self->__make_directory (directory => $dirpath); |
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|
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my $path = $self->__key2filepath (key => $key); |
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my $file = new IO::File $path, '>' |
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or report SuikaWiki::DB::Util::Error |
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-type => 'FILE_WRITE_FAILURE', |
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-object => $self, method => 'set', |
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file => $path, msg => $!; |
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for (sort {$val->{$b} <=> $val->{$a} or $a cmp $b} keys %$val) { |
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print $file $val->{$_} + 0, "\x09", $_, "\x0A" if $val->{$_}; |
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} |
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close $file; |
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$self->{data}->{join "\x00", @$key} = $val; |
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$self->{data_original}->{join "\x00", @$key} = {%$val}; |
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return 1; |
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} elsif ($self->{lock} and $self->{lock}->appendable) { |
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my $dirpath = $self->__key2dirpath (fullkey => $key); |
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unless ($self->{option}->{auto_mkdir} or -d $dirpath) { |
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return "0 but true"; |
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} |
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$self->__make_directory (directory => $dirpath); |
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|
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unless ($self->{data_original}->{join "\x00", @$key}) { |
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$self->get ($prop, $key, %opt, no_key_check => 1); |
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} |
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my %diff = %$val; |
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my %old = %{$self->{data_original}->{join "\x00", @$key}}; |
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for (keys %old) { |
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$diff{$_} -= $old{$_}; |
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} |
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|
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my $path = $self->__key2filepath (key => $key); |
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my $file = new IO::File $path, '>>' |
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or report SuikaWiki::DB::Util::Error |
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-type => 'FILE_WRITE_FAILURE', |
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-object => $self, method => 'set', |
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file => $path, msg => $!; |
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for (keys %diff) { |
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print $file $diff{$_} + 0, "\x09", $_, "\x0A" if $diff{$_}; |
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} |
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close $file; |
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$self->{data}->{join "\x00", @$key} = $val; |
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$self->{data_original}->{join "\x00", @$key} = {%$val}; |
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return 1; |
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} else { |
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report SuikaWiki::DB::Util::Error |
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-type => 'KEY_SAVE_LOCKED', |
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-object => $self, method => 'set', |
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key => $key, |
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prop => $prop; |
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return 0; |
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} |
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} |
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=head1 LICENSE |
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Copyright 2004 Wakaba <w@suika.fam.cx>. All rights reserved. |
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This program is free software; you can redistribute it and/or |
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modify it under the same terms as Perl itself. |
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|
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=cut |
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|
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1; # $Date: 2004/05/01 03:52:52 $ |
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