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# |
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# UserQuery |
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# |
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# Set up and record Queries requested fromthe user |
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# Set up and record Queries requested from the user |
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# |
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# Interface |
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# --------- |
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# new(UserInterface) : A new query object with a specific interface |
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# dump(fh,expr) : dump out parameters that match expr to filehandle |
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# store(fh) : dump every param to fh |
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# restore(fh) : restore from filehandle |
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# params() : return list of all params |
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# setparam(name,value) : set a parameter |
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# setifundef(name,value) : only set param to value if undefined |
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# getparam(name) : return value of named parameter |
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# clearquery() : remove all queries to be asked |
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# setquery($type,$parameter,@args) : register a query of type for $parameter |
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# setquery($type,$parameter,$string,@args) : register a query of type for |
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# $parameter |
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# querycheck(name, checkobject) : Set a checksum to be made on each query |
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# addquerymessage(name,string) : Add an extra message to the query for name |
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# askuser() : Ask user registered queries |
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# formatquery(args) : apply formatting information for display |
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# of the query . args dependent on implemtation |
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return $self; |
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} |
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sub dump { |
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my $self=shift; |
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my $fh=shift; |
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my $string=shift; |
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|
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foreach $key ( %{$self->{params}} ) { |
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if ( $key=~/$string/ ) { |
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print $fh "k:".$key."\n"; |
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print $fh "v:".$$self->{params}{$key}."\n"; |
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} |
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} |
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print $fh "#End\n"; |
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} |
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|
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sub store { |
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my $self=shift; |
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my $fh=shift; |
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|
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my $key; |
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foreach $key ( keys %{$self->{params}} ) { |
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print "$fh $key\n"; |
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print $fh "k:".$key."\n"; |
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print $fh "v:".$self->{params}{$key}."\n"; |
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} |
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print $fh "#End\n"; |
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} |
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|
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sub restore { |
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my $self=shift; |
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my $fh=shift; |
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|
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my $check="k:"; |
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my $key=""; |
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while ( $line=<$fh> ) { |
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chomp $line; |
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last if ( $line eq "\#End" ); |
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if ( $line!~/^$check/ ) { |
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die "Data Corruption Error when restoring $self\n"; |
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} |
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if ( $check eq "k:" ) { |
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$check="v:"; |
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($key=$line)=~s/k://; |
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} |
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else { |
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$check="k:"; |
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($value=$line)=~s/v://; |
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$self->setparam($key,$value); |
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} |
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} #end while |
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} |
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|
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sub setparam { |
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my $self=shift; |
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my $name=shift; |
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my $value=shift; |
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print "Setting $name = $value\n"; |
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$self->{params}{$name}=$value; |
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} |
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|
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sub params { |
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my $self=shift; |
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|
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return ( keys %{$self->{params}} ); |
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} |
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|
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sub setifundef { |
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my $self=shift; |
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my $name=shift; |
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} |
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} |
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|
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sub querycheck { |
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my $self=shift; |
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my $name=shift; |
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my $check=shift; |
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|
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$self->{querycheck}{$name}=$check; |
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} |
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|
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sub addquerymessage { |
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my $self=shift; |
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my $name=shift; |
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my $string=shift; |
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$self->{querystring}{$name}=$self->{querystring}{$name}.$string; |
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} |
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|
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sub formatquery { |
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my $self=shift; |
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my $self=shift; |
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my $string=shift; |
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$self->{UserInterface}->startform(); |
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$self->{UserInterface}->startform($string); |
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foreach $query ( @{$self->{queries}} ) { |
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$self->{UserInterface}->runquery($self->{querytype}{$query}, |
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$query, $self->{querystring}{$query}, |
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$self->{queryvars}{$query}, $self->{queryformat}{$name}); |
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my @rqargs=($self->{querytype}{$query}, $query, |
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$self->{querystring}{$query}, |
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$self->{queryvars}{$query}, $self->{queryformat}{$query}); |
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if ( exists $self->{querycheck}{$query} ) { |
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$self->{UserInterface}->runcheckedquery( |
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$self->{querycheck}{$query}, @rqargs); |
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} |
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else { |
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$self->{UserInterface}->runquery(@rqargs); |
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} |
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} |
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$self->{UserInterface}->endform($self); |
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} |
