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package WWW::Webrobot::Properties; |
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use strict; |
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use warnings; |
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790
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# Author: Stefan Trcek |
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# Copyright(c) 2004 ABAS Software AG |
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use Carp; |
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sub new { |
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my $class = shift; |
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my $self = bless({}, ref($class) || $class); |
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my %parm = (@_); # accept parameter list as hash |
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# check for duplicates in 'listmode' |
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my %listmode = (); |
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foreach (@{$parm{listmode}}) { |
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croak "'$_' defined twice in 'listmode'" if $listmode{$_}++; |
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} |
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# check for duplicates in 'key_value' and 'multi_value' |
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my %duplicate; |
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foreach ((@{$parm{key_value}}, @{$parm{multi_value}})) { |
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croak "'$_' defined twice in 'key_value' or 'multi_value'" if $duplicate{$_}++; |
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# add key_value/muli_value items to listmode if not already specified |
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push @{$parm{listmode}}, $_ if ! $listmode{$_}++; |
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} |
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$self->{_listmode} = $parm{listmode} if defined $parm{listmode}; |
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$self->{_listmode_hash} = \%listmode if defined $parm{listmode}; |
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$self->{_key_value} = $parm{key_value} if defined $parm{key_value}; |
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$self->{_multi_value} = $parm{multi_value} if defined $parm{multi_value}; |
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$self->{_structurize} = $parm{structurize} if defined $parm{structurize}; |
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return $self; |
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} |
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sub property { |
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my ($self, $name, $value) = @_; |
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$self->{prop}->{$name} = $value if defined $value; # setter |
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return $self->{prop}->{$name} if defined $name; # setter/getter |
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return $self->{prop}; # return hash of properties |
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} |
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sub clear_properties { |
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my ($self) = @_; |
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$self->{prop} = {}; |
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if ($self->{_listmode}) { |
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foreach (@{$self->{_listmode}}) { |
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$self->property($_, []); |
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} |
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} |
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} |
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sub make_key_value { |
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my $self = shift; |
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foreach my $prop (@{$self->{_key_value}}) { |
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my @list = (); |
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foreach my $elem (@{$self->{prop}->{$prop}}) { |
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my ($key, $value) = split /\s*=\s*/, $elem, 2; |
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push @list, [$key, $value] if defined $key && $key =~ m/./; |
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} |
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$self->{prop}->{$prop} = \@list; |
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} |
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} |
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sub make_multi_value { |
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0
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my $self = shift; |
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foreach my $prop (@{$self->{_multi_value}}) { |
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3
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foreach my $elem (@{$self->{prop}->{$prop}}) { |
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71
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my ($split_char, $rest) = $elem =~ /^(.)(.*)$/; |
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$split_char = quotemeta $split_char; |
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my @list = split /$split_char/, $rest; |
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$elem = \@list; |
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} |
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} |
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} |
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sub structurize { |
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1
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my $self = shift; |
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foreach my $prop (@{$self->{_structurize}}) { |
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2
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foreach (keys %{$self->{prop}}) { |
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my ($end) = /^$prop\.(.*)$/; |
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if ($end) { |
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$self->{prop}->{$prop}->{$end} = $self->{prop}->{$_}; |
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delete $self->{prop}->{$_}; |
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} |
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} |
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} |
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} |
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# private |
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sub _load_basic { |
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my ($self, $input, $cmd_properties) = @_; |
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croak "No handle specified" if !defined $input; |
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$self->clear_properties(); |
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my $p = ""; |
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while (defined $input->()) { |
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147
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chomp; |
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if (m/.*\\$/) { |
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chop; |
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$p .= $_; |
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10
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next; |
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} |
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if ($p) { |
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s/^\s*//; |
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$_ = $p . $_; |
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$p = ""; |
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} |
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100
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100
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next if /^\s*[#!]/ || /^\s*$/; # skip comment, lines containing white space only |
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916
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s/(\\ |[^\s\\])\s+$/$1/; # skip trailing white space except '\ ' and '\' |
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555
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my ($key, $tmp0, $tmp1, $value) = /^\s*(([^=: ])+)\s*([=:])?\s*(.*)$/; |
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50
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$key = "" if !defined $key; |
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$value = "" if !defined $value; |
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99
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174
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if ($key ne "") { |
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99
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2161
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(my $new_key = $key) =~ s/^(.*)\.\d+$/$1/; |
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50
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190
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$new_key = "" if !defined $new_key; |
120
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100
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252
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$key = $new_key if $self->{_listmode_hash}->{$new_key}; |
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122
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99
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100
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187
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if (ref $self->property($key) eq 'ARRAY') { |
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push @{$self->property($key)}, $value; |
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124
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} |
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else { |
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93
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$self->property($key, $value); |
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} |
128
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} |
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} |
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131
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#use Data::Dumper; print STDERR Dumper $self->{prop}; |
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25
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$self->property(@$_) foreach (@$cmd_properties); |
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$self->make_key_value(); |
134
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$self->make_multi_value(); |
135
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9
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21
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$self->structurize(); |
136
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27
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unescape($self->{prop}); |
137
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#use Data::Dumper; print STDERR Dumper $self->{prop}; |
138
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68
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return $self->{prop}; |
139
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} |
140
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141
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sub unescape0 { |
142
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130
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130
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0
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154
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my ($prop) = @_; |
143
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130
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802
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$prop =~ s/\\n/\n/g; |
144
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130
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136
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$prop =~ s/\\r/\t/g; |
145
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130
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127
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$prop =~ s/\\t/\t/g; |
146
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130
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141
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$prop =~ s/\\(["' ])/$1/g; |
147
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# \uxxxx not implemented |
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130
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392
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return $prop; |
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} |
150
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151
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sub unescape { |
152
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0
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58
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my ($prop) = @_; |
153
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#return if ! defined $prop; |
154
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53
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100
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124
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if (ref $prop eq 'ARRAY') { |
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155
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42
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55
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foreach (@$prop) { |
156
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113
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100
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164
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if (ref) { |
157
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28
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44
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unescape($_); |
158
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} |
159
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else { |
160
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85
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118
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$_ = unescape0($_); |
161
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} |
162
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} |
163
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} |
164
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elsif (ref $prop eq 'HASH') { |
165
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11
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45
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foreach (keys %$prop) { |
166
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61
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87
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my $value = $prop->{$_}; |
167
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61
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100
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142
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if (ref $value) { |
168
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16
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29
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unescape($value); |
169
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} |
170
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else { |
171
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66
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$prop->{$_} = unescape0($value); |
172
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} |
173
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} |
174
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} |
175
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else { |
176
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0
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0
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die "ARRAY, HASH or scalar expected"; |
177
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} |
178
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} |
179
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180
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sub load_string { |
181
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8
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8
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0
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28
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my ($self, $string, $cmd_properties) = @_; |
182
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return $self->_load_basic(sub { |
183
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129
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129
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660
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(my $str, $string) = $string =~ m/^([^\n]*)\n(.*)$/s; |
184
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129
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365
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return $_ = $str; |
185
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8
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48
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}, $cmd_properties); |
186
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} |
187
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188
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sub load_handle { |
189
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1
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1
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0
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7
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my ($self, $handle, $cmd_properties) = @_; |
190
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1
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27
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11
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return $self->_load_basic(sub {$_ = <$handle>; return $_;}, $cmd_properties); |
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27
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81
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27
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69
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191
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} |
192
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sub load_file { |
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my ($self, $filename, $cmd_properties) = @_; |
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local *HANDLE; |
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open HANDLE, "<$filename" or croak "Can't open $filename: $!"; |
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my $cfg = $self->load_handle(*HANDLE, $cmd_properties); |
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close HANDLE; |
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return $cfg; |
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} |
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sub load { |
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my ($self, $source, $cmd_properties) = @_; |
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if (ref $source eq 'SCALAR') { |
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return $self->load_file($$source, $cmd_properties); |
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} |
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elsif (! ref $source) { |
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return $self->load_string($source, $cmd_properties); |
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} |
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} |
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1; |
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=head1 NAME |
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WWW::Webrobot::Properties - Implements a config format like java.util.Properties |
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=head1 SYNOPSIS |
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my $config = WWW::Webrobot::Properties->new( |
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listmode => [qw(names auth_basic output http_header proxy no_proxy)], |
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key_value => [qw(names http_header proxy)], |
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multi_value => [qw(auth_basic)], |
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structurize => [qw(load mail)], |
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); |
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my $cfg = $config->load_file($cfg_name, $cmd_param); |
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=head1 DESCRIPTION |
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This class implements a config format like java.util.Properties, |
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see |
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L |
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for more docs. |
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B |
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Some features are not implemented but there are some extensions for lists. |
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=head2 NOT IMPLEMENTED |
240
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241
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\uxxxx Unicode characters |
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=head2 EXTENDED FORMAT |
244
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Listmode properties may be written |
246
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listprop=value0 |
248
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listprop=value1 |
249
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listprop=value2 |
250
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251
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or |
252
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253
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listprop.0=value0 |
254
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listprop.1=value1 |
255
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listprop.2=value2 |
256
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257
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|
These properties are made available as perl-arrays. |
258
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259
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=head1 METHODS |
260
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261
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=over |
262
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263
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|
|
=item $wr = WWW::Webrobot::Properties -> new(%options); |
264
|
|
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|
|
265
|
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|
|
Construct an object. |
266
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|
Options marked (F) affect the semantics of the properties format. |
267
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|
|
All options affect the internal representation in Perl. |
268
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|
|
The syntax is |
269
|
|
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|
|
270
|
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|
|
option => [...] |
271
|
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|
272
|
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|
|
=over |
273
|
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274
|
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|
|
=item listmode (F) |
275
|
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|
|
276
|
|
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|
|
Multiple definitions enforce an array of options. |
277
|
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|
|
Multiple definition options may (but needn't) be |
278
|
|
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|
|
written with additional digits: |
279
|
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|
|
280
|
|
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|
|
names.1=xxx |
281
|
|
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|
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|
|
names.27=yyy |
282
|
|
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|
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|
|
|
283
|
|
|
|
|
|
|
or |
284
|
|
|
|
|
|
|
|
285
|
|
|
|
|
|
|
names=xxx |
286
|
|
|
|
|
|
|
names=yyy |
287
|
|
|
|
|
|
|
|
288
|
|
|
|
|
|
|
Thats for compatibility to java.util.Properties. |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
=item key_value (F) |
291
|
|
|
|
|
|
|
|
292
|
|
|
|
|
|
|
Option value as 'key=value' deparsed. |
293
|
|
|
|
|
|
|
|
294
|
|
|
|
|
|
|
names = key=value |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
=item multi_value (F) |
297
|
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
Option value as '/v0/v1/v2/v3...' deparsed as array |
299
|
|
|
|
|
|
|
/ is any literal character |
300
|
|
|
|
|
|
|
names = /v0/v1/v2/v3/ |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
=item structurize (-) |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
Common prefix options deparse as hash, e.g. |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
load.num=xx |
307
|
|
|
|
|
|
|
load.base=yy |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
yields in the internal config format |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
load => {num => "xx", base => "yy"} |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
=back |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
For a complete guide of the semantics of the options |
316
|
|
|
|
|
|
|
see the tests F. |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
=back |
319
|
|
|
|
|
|
|
|