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| 1 |  |  |  |  |  |  | #======================================================================== | 
| 2 |  |  |  |  |  |  | # | 
| 3 |  |  |  |  |  |  | # Badger::Codec::YAML | 
| 4 |  |  |  |  |  |  | # | 
| 5 |  |  |  |  |  |  | # DESCRIPTION | 
| 6 |  |  |  |  |  |  | #   Codec module for encoding/decoding YAML | 
| 7 |  |  |  |  |  |  | # | 
| 8 |  |  |  |  |  |  | # AUTHOR | 
| 9 |  |  |  |  |  |  | #   Andy Wardley | 
| 10 |  |  |  |  |  |  | # | 
| 11 |  |  |  |  |  |  | #======================================================================== | 
| 12 |  |  |  |  |  |  |  | 
| 13 |  |  |  |  |  |  | package Badger::Codec::YAML; | 
| 14 |  |  |  |  |  |  |  | 
| 15 |  |  |  |  |  |  | use Badger::Class | 
| 16 | 3 |  |  |  |  | 38 | version => 0.01, | 
| 17 |  |  |  |  |  |  | base    => 'Badger::Codec', | 
| 18 | 3 |  |  | 3 |  | 1323 | import  => 'class CLASS'; | 
|  | 3 |  |  |  |  | 16 |  | 
| 19 |  |  |  |  |  |  |  | 
| 20 |  |  |  |  |  |  | eval "require YAML::XS"; | 
| 21 |  |  |  |  |  |  | our $HAS_YAML_XS = $@ ? 0 : 1; | 
| 22 |  |  |  |  |  |  | our $HAS_YAML; | 
| 23 |  |  |  |  |  |  |  | 
| 24 |  |  |  |  |  |  | unless ($HAS_YAML_XS) { | 
| 25 |  |  |  |  |  |  | eval "require YAML"; | 
| 26 |  |  |  |  |  |  | $HAS_YAML = $@ ? 0 : 1; | 
| 27 |  |  |  |  |  |  | } | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | our $MODULE = | 
| 30 |  |  |  |  |  |  | $HAS_YAML_XS ? 'YAML::XS' : | 
| 31 |  |  |  |  |  |  | $HAS_YAML    ? 'YAML'     : | 
| 32 |  |  |  |  |  |  | CLASS->error("You don't have YAML or YAML::XS installed"); | 
| 33 |  |  |  |  |  |  | #die "No YAML implementation installed\n"; | 
| 34 |  |  |  |  |  |  |  | 
| 35 |  |  |  |  |  |  | *yaml_dump = $HAS_YAML_XS ? \&YAML::XS::Dump : \&YAML::Dump; | 
| 36 |  |  |  |  |  |  | *yaml_load = $HAS_YAML_XS ? \&YAML::XS::Load : \&YAML::Load; | 
| 37 |  |  |  |  |  |  |  | 
| 38 |  |  |  |  |  |  | sub encode { | 
| 39 | 0 |  |  | 0 |  |  | my $self = shift; | 
| 40 | 0 |  |  |  |  |  | yaml_dump(shift); | 
| 41 |  |  |  |  |  |  | } | 
| 42 |  |  |  |  |  |  |  | 
| 43 |  |  |  |  |  |  | sub decode { | 
| 44 | 0 |  |  | 0 |  |  | my $self = shift; | 
| 45 | 0 |  |  |  |  |  | yaml_load(shift); | 
| 46 |  |  |  |  |  |  | } | 
| 47 |  |  |  |  |  |  |  | 
| 48 |  |  |  |  |  |  | # shortcuts straight to the real encoder/decoder subs for efficient aliasing | 
| 49 |  |  |  |  |  |  |  | 
| 50 |  |  |  |  |  |  | sub encoder { | 
| 51 | 0 |  |  | 0 |  |  | \&yaml_dump; | 
| 52 |  |  |  |  |  |  | } | 
| 53 |  |  |  |  |  |  |  | 
| 54 |  |  |  |  |  |  | sub decoder { | 
| 55 | 0 |  |  | 0 |  |  | \&yaml_load; | 
| 56 |  |  |  |  |  |  | } | 
| 57 |  |  |  |  |  |  |  | 
| 58 |  |  |  |  |  |  |  | 
| 59 |  |  |  |  |  |  | 1; | 
| 60 |  |  |  |  |  |  |  | 
| 61 |  |  |  |  |  |  |  | 
| 62 |  |  |  |  |  |  | __END__ |