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### |
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### Copyright 2002-2003 University of Illinois Board of Trustees |
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### Copyright 2002-2003 Mark D. Roth |
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### All rights reserved. |
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### |
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### Config::Objective::Table - table data type for Config::Objective |
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### |
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### Mark D. Roth |
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### Campus Information Technologies and Educational Services |
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### University of Illinois at Urbana-Champaign |
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### |
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package Config::Objective::Table; |
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1
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677
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use strict; |
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use Config::Objective::List; |
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1
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989
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our @ISA = qw(Config::Objective::List); |
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############################################################################### |
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### utility function |
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############################################################################### |
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sub _find_row |
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{ |
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3
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my ($self, $query) = @_; |
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3
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my ($ct, $lref, $key); |
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3
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ROWS: for ($ct = 0; $ct < @{$self->{value}}; $ct++) |
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{ |
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$lref = $self->{value}->[$ct]; |
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foreach $key (keys %$query) |
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{ |
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next ROWS |
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8
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100
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if ($lref->[$key] !~ m/$query->{$key}/); |
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} |
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3
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return $ct; |
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} |
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0
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return undef; |
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} |
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############################################################################### |
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### insert_row method |
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############################################################################### |
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sub insert_row |
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{ |
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my ($self, $query, $newrow) = @_; |
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1
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my ($row); |
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1
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50
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die "insert_row: row specifier must be a hash\n" |
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if (ref($query) ne 'HASH'); |
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1
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die "insert_row: new row must be list type\n" |
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if (ref($newrow) ne 'ARRAY'); |
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1
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$row = $self->_find_row($query); |
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1
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splice(@{$self->{value}}, $row, 0, $newrow) |
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7
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66
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if (defined($row)); |
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} |
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############################################################################### |
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### find_row method |
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############################################################################### |
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sub find_row |
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{ |
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0
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0
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1
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my ($self, $query) = @_; |
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0
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0
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my ($row); |
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0
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0
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die "find_row: row specifier must be a hash\n" |
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if (ref($query) ne 'HASH'); |
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0
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$row = $self->_find_row($query); |
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0
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return $self->{value}->[$row] |
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if (defined($row)); |
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0
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0
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return undef; |
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} |
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############################################################################### |
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### replace_row_cells method |
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############################################################################### |
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sub replace_row_cells |
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{ |
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1
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my ($self, $query, $replspec) = @_; |
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1
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3
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my ($row, $col); |
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1
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die "replace_row_cells: row specifier must be a hash\n" |
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if (ref($query) ne 'HASH'); |
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1
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die "replace_row_cells: replacement specifier must be a hash\n" |
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if (ref($replspec) ne 'HASH'); |
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1
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4
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$row = $self->_find_row($query); |
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return |
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1
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3
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if (!defined($row)); |
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1
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4
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foreach $col (keys %$replspec) |
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{ |
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$self->{value}->[$row]->[$col] = $replspec->{$col}; |
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} |
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} |
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############################################################################### |
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### append_to_row_cells method |
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############################################################################### |
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120
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sub append_to_row_cells |
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{ |
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1
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3
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my ($self, $query, $addspec) = @_; |
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1
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1
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my ($row, $col); |
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1
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die "append_to_row_cells: row specifier must be a hash\n" |
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if (ref($query) ne 'HASH'); |
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1
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die "append_to_row_cells: addition specifier must be a hash\n" |
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if (ref($addspec) ne 'HASH'); |
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1
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3
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$row = $self->_find_row($query); |
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return |
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1
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4
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if (!defined($row)); |
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135
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1
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3
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foreach $col (keys %$addspec) |
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{ |
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1
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$self->{value}->[$row]->[$col] .= ' ' |
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if ($self->{value}->[$row]->[$col] ne ''); |
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$self->{value}->[$row]->[$col] .= $addspec->{$col}; |
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} |
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} |
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143
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144
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############################################################################### |
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### old methods - to be used for backward compatibility only! |
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############################################################################### |
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148
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sub add_before |
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{ |
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0
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0
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my ($self, $value) = @_; |
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152
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0
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die "add_before: method requires list argument\n" |
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if (ref($value) ne 'ARRAY'); |
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0
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die "add_before: invalid argument(s)\n" |
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0
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0
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if (@{$value} != 3 |
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|| ref($value->[2]) ne 'ARRAY'); |
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159
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0
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return $self->insert_row({ $value->[0] => $value->[1] }, $value->[2]); |
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} |
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162
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163
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sub find |
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{ |
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0
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0
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1
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my ($self, $value) = @_; |
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167
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0
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0
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die "find: method requires list argument\n" |
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if (ref($value) ne 'ARRAY'); |
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170
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0
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die "find: invalid argument(s)\n" |
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0
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0
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if (@{$value} != 2); |
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173
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0
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return $self->find_row({ $value->[0] => "\b$value->[1]\b" }); |
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} |
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176
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sub replace |
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{ |
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0
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0
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1
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my ($self, $value) = @_; |
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181
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0
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0
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die "replace: method requires list argument\n" |
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if (ref($value) ne 'ARRAY'); |
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184
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0
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die "replace: invalid argument(s)\n" |
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0
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0
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if (@{$value} != 4); |
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187
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0
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$self->replace_row_cells({ $value->[0] => $value->[1] }, |
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{ $value->[2] => $value->[3] }); |
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} |
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191
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192
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sub modify |
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{ |
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0
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0
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1
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my ($self, $value) = @_; |
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196
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0
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0
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die "modify: method requires list argument\n" |
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if (ref($value) ne 'ARRAY'); |
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199
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0
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die "modify: invalid argument(s)\n" |
200
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0
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0
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if (@{$value} != 4); |
201
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202
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0
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$self->append_to_row_cells({ $value->[0] => $value->[1] }, |
203
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{ $value->[2] => $value->[3] }); |
204
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} |
205
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206
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207
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############################################################################### |
208
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### cleanup and documentation |
209
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############################################################################### |
210
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211
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1; |
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213
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__END__ |