| line | stmt | bran | cond | sub | pod | time | code | 
| 1 |  |  |  |  |  |  | package SWIFT::Factory::Tag::Tag20; | 
| 2 | 1 |  |  | 1 |  | 22387 | use strict; | 
|  | 1 |  |  |  |  | 3 |  | 
|  | 1 |  |  |  |  | 48 |  | 
| 3 | 1 |  |  | 1 |  | 7 | use warnings; | 
|  | 1 |  |  |  |  | 1 |  | 
|  | 1 |  |  |  |  | 71 |  | 
| 4 |  |  |  |  |  |  |  | 
| 5 |  |  |  |  |  |  | ########################################################################################################### | 
| 6 |  |  |  |  |  |  | # Provide a SWIFT TAG 20. | 
| 7 |  |  |  |  |  |  | # | 
| 8 |  |  |  |  |  |  | # Use this class to provide a Senders Reference. | 
| 9 |  |  |  |  |  |  | # | 
| 10 |  |  |  |  |  |  | ########################################################################################################### | 
| 11 |  |  |  |  |  |  |  | 
| 12 |  |  |  |  |  |  | BEGIN{ | 
| 13 | 1 |  |  | 1 |  | 3 | *provide=*string; | 
| 14 | 1 |  |  |  |  | 37 | *borken=*invalid; | 
| 15 |  |  |  |  |  |  | } | 
| 16 |  |  |  |  |  |  |  | 
| 17 | 1 |  |  | 1 |  | 6 | use vars qw($VERSION); | 
|  | 1 |  |  |  |  | 2 |  | 
|  | 1 |  |  |  |  | 78 |  | 
| 18 |  |  |  |  |  |  | $VERSION='0.01'; | 
| 19 |  |  |  |  |  |  |  | 
| 20 | 1 |  |  | 1 |  | 6 | use constant REF_MAX_LEN=>16; | 
|  | 1 |  |  |  |  | 3 |  | 
|  | 1 |  |  |  |  | 544 |  | 
| 21 |  |  |  |  |  |  |  | 
| 22 |  |  |  |  |  |  | ########################################################################################################### | 
| 23 |  |  |  |  |  |  | sub new { | 
| 24 | 0 |  |  | 0 | 1 |  | my$self={}; | 
| 25 | 0 |  |  |  |  |  | bless($self,shift())->_init(@_); | 
| 26 |  |  |  |  |  |  | } | 
| 27 |  |  |  |  |  |  |  | 
| 28 |  |  |  |  |  |  | ########################################################################################################### | 
| 29 |  |  |  |  |  |  | # The class cannot guarantee that the TAG will be valid in the SWIFT network. | 
| 30 |  |  |  |  |  |  | # It can point out that it's found some invalid data, though. | 
| 31 |  |  |  |  |  |  | # Return number of problems detected. | 
| 32 |  |  |  |  |  |  | sub invalid { | 
| 33 | 0 |  |  | 0 | 1 |  | my$self=shift; | 
| 34 |  |  |  |  |  |  |  | 
| 35 |  |  |  |  |  |  | # Implement verifications here! | 
| 36 | 0 |  |  |  |  |  | 0; | 
| 37 |  |  |  |  |  |  | } | 
| 38 |  |  |  |  |  |  |  | 
| 39 |  |  |  |  |  |  | ########################################################################################################### | 
| 40 |  |  |  |  |  |  | sub ref_max_len { | 
| 41 | 0 |  |  | 0 | 1 |  | REF_MAX_LEN; | 
| 42 |  |  |  |  |  |  | } | 
| 43 |  |  |  |  |  |  |  | 
| 44 |  |  |  |  |  |  | ########################################################################################################### | 
| 45 |  |  |  |  |  |  | # If a new Reference is provided, store it for future use. | 
| 46 |  |  |  |  |  |  | # If requested, return the stored Reference to the caller. | 
| 47 |  |  |  |  |  |  | sub reference { | 
| 48 | 0 |  |  | 0 | 1 |  | my($self,$reference)=@_; | 
| 49 | 0 | 0 |  |  |  |  | defined($reference)&&$self->_store_reference($reference); | 
| 50 | 0 | 0 |  |  |  |  | return(defined(wantarray)?wantarray?($self->{REFERENCE}):$self->{REFERENCE}:undef); | 
|  |  | 0 |  |  |  |  |  | 
| 51 |  |  |  |  |  |  | } | 
| 52 |  |  |  |  |  |  |  | 
| 53 |  |  |  |  |  |  | ########################################################################################################### | 
| 54 |  |  |  |  |  |  | sub string { | 
| 55 | 0 |  |  | 0 | 1 |  | my$self=shift; | 
| 56 | 0 |  |  |  |  |  | ':20:'. | 
| 57 |  |  |  |  |  |  | $self->{REFERENCE}. | 
| 58 |  |  |  |  |  |  | chr(13). # CR | 
| 59 |  |  |  |  |  |  | chr(10); # LF | 
| 60 |  |  |  |  |  |  | } | 
| 61 |  |  |  |  |  |  |  | 
| 62 |  |  |  |  |  |  | ########################################################################################################### | 
| 63 |  |  |  |  |  |  | ########################################################################################################### | 
| 64 |  |  |  |  |  |  | # | 
| 65 |  |  |  |  |  |  | # 'Internal' subs. Don't call these since they may, and will, change without notice. | 
| 66 |  |  |  |  |  |  | # | 
| 67 |  |  |  |  |  |  | ########################################################################################################### | 
| 68 |  |  |  |  |  |  | ########################################################################################################### | 
| 69 |  |  |  |  |  |  |  | 
| 70 |  |  |  |  |  |  | ########################################################################################################### | 
| 71 |  |  |  |  |  |  | sub _init { | 
| 72 | 0 |  |  | 0 |  |  | my$self=shift(); | 
| 73 | 0 |  |  |  |  |  | my%args=( | 
| 74 |  |  |  |  |  |  | DO_CLEANUP=>0, | 
| 75 |  |  |  |  |  |  | REFERENCE=>'', | 
| 76 |  |  |  |  |  |  | @_); | 
| 77 |  |  |  |  |  |  |  | 
| 78 | 0 | 0 |  |  |  |  | $self->{DO_CLEANUP}=defined($args{DO_CLEANUP})?$args{DO_CLEANUP}?1:0:0; | 
|  |  | 0 |  |  |  |  |  | 
| 79 | 0 |  |  |  |  |  | $self->_store_reference($args{REFERENCE}); | 
| 80 | 0 |  |  |  |  |  | $self; | 
| 81 |  |  |  |  |  |  | } | 
| 82 |  |  |  |  |  |  |  | 
| 83 |  |  |  |  |  |  | ########################################################################################################### | 
| 84 |  |  |  |  |  |  | # If Reference is defined, store it together with some simple cleanup applied. | 
| 85 |  |  |  |  |  |  | sub _store_reference { | 
| 86 | 0 |  |  | 0 |  |  | my($self,$reference)=@_; | 
| 87 |  |  |  |  |  |  |  | 
| 88 | 0 | 0 |  |  |  |  | defined($reference)||return; | 
| 89 |  |  |  |  |  |  |  | 
| 90 | 0 | 0 | 0 |  |  |  | $self->{DO_CLEANUP}&&length($reference)>REF_MAX_LEN&&do{ | 
| 91 |  |  |  |  |  |  | # Apply conditional warnings here! | 
| 92 | 0 |  |  |  |  |  | $reference=substr($reference,0,REF_MAX_LEN); | 
| 93 |  |  |  |  |  |  | }; | 
| 94 |  |  |  |  |  |  |  | 
| 95 | 0 |  |  |  |  |  | $self->{REFERENCE}=$reference; | 
| 96 |  |  |  |  |  |  | } | 
| 97 |  |  |  |  |  |  |  | 
| 98 |  |  |  |  |  |  | ########################################################################################################### | 
| 99 |  |  |  |  |  |  | 'Choppers rule'; | 
| 100 |  |  |  |  |  |  | __END__ |