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# SQL::Preproc::ExceptContainer - a container for exception |
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# objects so scope gets cleaned up properly |
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# |
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package SQL::Preproc::ExceptContainer; |
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19848
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use SQL::Preproc::Exception; |
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use strict; |
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4915
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our $VERSION = '0.10'; |
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sub new_SQLERROR { |
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# |
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# use an array, since we're pretty final |
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# and it uses much less memory |
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# |
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my $obj = []; |
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bless $obj, shift; |
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$obj->[0] = shift; # sqlpp_ctxt |
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$obj->[1] = SQL::Preproc::Exception->new($obj->[0], @_); |
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push @{$obj->[0]->{SQLERROR}}, $obj->[1]; |
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return $obj; |
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} |
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sub new_NOTFOUND { |
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# |
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# use an array, since we're pretty final |
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# and it uses much less memory |
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# |
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my $obj = []; |
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bless $obj, shift; |
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$obj->[0] = shift; # sqlpp_ctxt |
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$obj->[1] = SQL::Preproc::Exception->new($obj->[0], @_); |
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push @{$obj->[0]->{NOTFOUND}}, $obj->[1]; |
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return $obj; |
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} |
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sub DESTROY { |
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my $obj = shift; |
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# |
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# remove the Exception object from us *and* |
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# from the sqlpp_ctxt |
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# |
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my $ctxt = $obj->[0]; |
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my $except = $obj->[1]; |
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$obj->[0] = undef; |
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$obj->[1] = undef; |
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# |
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# in theory we should be at the top of the stack, but |
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# to be safe, we'll splice anyway |
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# also note that we don't permit the base handler to |
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# be destroyed |
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# |
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foreach (1..$#{$ctxt->{SQLERROR}}) { |
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splice (@{$ctxt->{SQLERROR}}, $_, 1), |
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return 1 |
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if ($ctxt->{SQLERROR}[$_] eq $except); |
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} |
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foreach (1..$#{$ctxt->{NOTFOUND}}) { |
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splice (@{$ctxt->{NOTFOUND}}, $_, 1), |
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return 1 |
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if ($ctxt->{NOTFOUND}[$_] eq $except); |
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} |
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# |
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# the exception will be destroyed now |
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# |
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1; |
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} |
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# |
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# default handlers |
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# SQLERROR: die |
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# NOTFOUND: silently ignore |
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# |
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sub default_SQLERROR { |
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0
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my $obj = []; |
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bless $obj, shift; |
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$obj->[0] = shift; # sqlpp_ctxt |
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$obj->[1] = SQL::Preproc::Exception->new($obj->[0], |
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sub { |
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my ($obj, $err, $state, $errstr) = @_; |
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$err = '(Unknown error)' unless defined($err); |
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$state = '(Unknown state)' unless (defined($state) && ($state ne '')); |
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$errstr = '(No error message)' unless defined($errstr); |
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my ($pkg, $subr, $line) = caller(1); |
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die "Error $err (SQLSTATE $state): $errstr |
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at $pkg\:\:$subr: $line"; |
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}); |
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$obj->[0]{SQLERROR}[0] = $obj->[1]; |
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return $obj; |
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} |
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93
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sub default_NOTFOUND { |
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my $obj = []; |
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bless $obj, shift; |
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$obj->[0] = shift; # sqlpp_ctxt |
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$obj->[1] = SQL::Preproc::Exception->new($obj->[0], |
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sub { return 1; }); |
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7
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$obj->[0]{NOTFOUND}[0] = $obj->[1]; |
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7
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return $obj; |
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} |
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103
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1; |