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1
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package Regexp::Box;
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2
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3
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our $VERSION = '0.02';
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4
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5
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our $DEBUG = 0;
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6
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7
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4
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4
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115680
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use Data::Dumper;
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4
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48281
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4
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312
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8
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9
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4
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4
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40
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use Carp;
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4
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7
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4
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260
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10
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11
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4
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4
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4307
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use Regexp::Common;
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4
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10782
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4
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20
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12
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13
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4
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4
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282858
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use Class::Maker qw(:all);
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0
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0
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14
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15
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class
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{
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# isa => [qw()],
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19
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public =>
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{
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21
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string => [qw( name )],
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},
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24
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private =>
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25
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{
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26
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array => [qw( sets )],
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27
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28
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hash => [qw( registry )],
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29
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},
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30
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31
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default =>
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32
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{
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33
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_sets => [qw(std net bio db_mysql)],
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34
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},
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35
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};
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36
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37
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sub _preinit : method
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38
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{
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39
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my $this = shift;
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40
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41
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foreach ( $this->_sets )
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42
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{
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43
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my $fu = "_add_".$_;
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44
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45
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die __PACKAGE__.": Set $_ is not known yet. You already added it?" unless $this->can( $fu );
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46
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47
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$this->$fu;
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48
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}
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49
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}
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50
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# USAGE for field values are qr// or sub ( ID, FIELD, @_ ) { }
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51
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#
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52
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# where $_registry->{ID}->{FIELD}
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53
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54
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sub exact : method
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55
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{
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56
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my $this = shift;
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57
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58
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return '^'.$_[0].'$';
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59
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}
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60
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61
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sub register : method
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62
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{
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63
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my $this = shift;
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64
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65
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if( $DEBUG )
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66
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{
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67
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print "register: arguments\n";
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68
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69
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print Dumper \@_;
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70
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}
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71
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72
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my $id = shift;
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73
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74
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my $exact = shift;
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75
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76
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my $regexp = shift;
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77
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78
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my $desc = shift;
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79
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80
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$id and $regexp and $desc and defined $exact or Carp::croak "usage error: register( ID, EXACT, REGEXP, DESC )";
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81
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82
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$this->_registry->{$id}->{exact} = $exact;
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83
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84
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$this->_registry->{$id}->{regexp} = $regexp;
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85
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86
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$this->_registry->{$id}->{desc} = $desc;
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87
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88
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$this->_registry->{$id}->{created} = [ caller ];
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89
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}
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90
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91
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# request( 'domain', 'desc' ) - returns ->{domain}->{desc}
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92
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# request( 'domain', 'regexp' ) - returns ->{domain}->{regexp}
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93
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#
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94
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# alternativly a coderef will lead to execution and return result
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95
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96
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sub request
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97
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{
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98
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my $this = shift;
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99
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100
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if( $DEBUG )
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101
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{
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102
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print "request: arguments\n";
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103
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104
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print Dumper \@_;
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105
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}
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106
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107
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my $id = shift;
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108
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109
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my $field = shift;
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110
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111
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if( exists $this->_registry->{$id} )
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112
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{
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113
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if( exists $this->_registry->{$id}->{$field} )
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114
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{
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115
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my $x = $this->_registry->{$id}->{$field};
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116
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117
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my $result = ref($x) eq 'CODE' ? $x->( @_ ) : $x;
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118
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119
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Carp::croak sprintf "$id returned undef or empty for $field" unless $result;
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120
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121
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if( $field eq 'regexp' && exists $this->_registry->{$id}->{exact} )
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122
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{
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123
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return $this->exact( $result ) if $this->_registry->{$id}->{exact};
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124
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}
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125
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126
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return $result;
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127
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}
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128
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129
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Carp::croak sprintf "$id is not registered in Regexp::Box '%s'", $this->name;
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130
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}
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131
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132
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Carp::croak sprintf "$id is not registered in Regexp::Box '%s'", $this->name;
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133
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}
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134
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135
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sub requestable : method
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136
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{
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137
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my $this = shift;
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138
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139
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140
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return sort keys %{ $this->_registry };
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141
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}
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142
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143
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###############################################################
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144
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145
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sub _add_std
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146
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{
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147
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my $this = shift;
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148
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149
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$this->register( 'std/word', 0, qr/[^\s]+/, 'set of non-spaces' );
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150
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151
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$this->register( 'std/binary', 1, qr/[01]+/, 'arbitrary combination of 0 and 1' );
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152
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153
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$this->register( 'std/hex', 1, qr/[0-9a-fA-F]+/, 'hexadecimal string' );
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154
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155
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$this->register( 'std/int', 1, $Regexp::Box::RE{num}{int}, 'integer' );
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156
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157
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$this->register( 'std/real', 1, $Regexp::Box::RE{num}{real}, 'real' );
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158
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159
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$this->register( 'std/quoted', 1, $Regexp::Box::RE{quoted}, 'string enclosed by matching quoting characters' );
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160
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161
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$this->register( 'std/uri', 1, sub { $Regexp::Box::RE{URI}{HTTP}{ -scheme => $_[1] || 'HTTP' } }, sub { sprintf "an uri (default: %s)", $_[1] || 'HTTP' } );
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162
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163
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$this->register( 'std/net', 1, sub { $Regexp::Box::RE{'net'}{ $_[1] || 'IPv4' } }, 'IP (V4, V6, MAC) network address' );
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164
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165
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$this->register( 'std/zip', 1, sub { $Regexp::Box::RE{zip}{ $_[1] || 'Germany' } }, sub { sprintf 'a zip %s code (default: german)', $_[1] || 'german' } );
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166
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167
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$this->register( 'std/domain', 0, $Regexp::Common::URI::RFC1035::domain, 'RFC1035 domain name' );
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168
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}
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169
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170
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sub _add_net
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171
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{
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172
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my $this = shift;
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173
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174
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$this->register( 'net/simple_email', 0, qr/(?:[^\@]*)\@(?:\w+)(?:\.\w+)+/, 'primitiv regexp for email' );
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175
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}
|
176
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177
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sub _add_bio
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178
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{
|
179
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my $this = shift;
|
180
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|
181
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$this->register( 'bio/dna', 1, qr/[ATGC]+/, q{arbitrary set of A, T, G or C} );
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182
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183
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$this->register( 'bio/rna', 1, qr/[AUGC]+/, q{arbitrary set of A, U, G or C} );
|
184
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|
185
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$this->register(
|
186
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|
187
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'bio/triplet',
|
188
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189
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1,
|
190
|
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|
191
|
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|
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sub
|
192
|
|
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|
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{
|
193
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my $this = shift;
|
194
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195
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my $type = lc( shift || 'dna' );
|
196
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|
197
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|
Carp::croak __PACKAGE__." required parameter missing dna (default) or rna" unless defined $type;
|
198
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|
199
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Carp::croak sprintf "%s triplet usage failure (dna or rna) only and not $_[1]", __PACKAGE__, $type unless $type =~ /^[rd]na$/;
|
200
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|
201
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return $type eq 'dna' ? qr/[ATGC]{3,3}/ : qr/[AUGC]{3,3}/;
|
202
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},
|
203
|
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204
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sub { sprintf "a triplet string of %s", $_[1] || 'dna (default) or rna' }
|
205
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);
|
206
|
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}
|
207
|
|
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|
208
|
|
|
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|
|
sub _add_db_mysql
|
209
|
|
|
|
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|
|
{
|
210
|
|
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|
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|
|
my $this = shift;
|
211
|
|
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212
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|
$this->register( 'db/mysql/date', 1, qr/\d{4}-[01]\d-[0-3]\d/, 'a date as described in the mysql doc' );
|
213
|
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214
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|
$this->register( 'db/mysql/datetime', 1, qr/\d{4}-[01]\d-[0-3]\d [0-2]\d:[0-6]\d:[0-6]\d/, 'a datetime as described in the mysql doc' );
|
215
|
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|
216
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|
|
$this->register( 'db/mysql/timestamp', 1, qr/[1-2][9|0][7-9,0-3][0-7]-[01]\d-[0-3]\d [0-2]\d:[0-6]\d:[0-6]\d/, 'a timestamp as described in the mysql doc' );
|
217
|
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218
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|
|
$this->register( 'db/mysql/time', 1, qr/-?\d{3,3}:[0-6]\d:[0-6]\d/, 'a time as described in the mysql doc' );
|
219
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|
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220
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$this->register( 'db/mysql/year4', 1, qr/[0-2][9,0,1]\d\d/, 'as described in the mysql doc' );
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222
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$this->register( 'db/mysql/year2', 1, qr/\d{2,2}/, 'as described in the mysql doc' );
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224
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}
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225
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226
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1;
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227
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228
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=pod
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229
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230
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=head1 NAME
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231
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232
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Regexp::Box - store and retrieve regexp via names
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234
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=head1 SYNOPSIS
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236
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$rebox = Regexp::Box->new( name => 'name of the box' );
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238
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$rebox->register( 'category/id', 0, qr/\w/, 'description' );
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240
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$rebox->register( 'category/id2', 0,
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241
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242
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sub { '\w' x 3 },
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243
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244
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sub { sprintf 'description of %s', $_[0] }
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245
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246
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);
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248
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unless( $_ =~ $rebox->request( 'category/id', 'regexp' ) )
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249
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{
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250
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warn "Expected ", $rebox->request( 'category/id', 'desc' );
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}
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252
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253
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=head1 DESCRIPTION
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254
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255
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Store and retrieve regexp via names and serve them application wide. My favorite
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256
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L was somehow to complicated with that particular issue.
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258
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=head1 METHODS
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259
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260
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=head3 $rebox = Regexp::Box->new( name => 'name of the box' )
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261
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262
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Just give the box a name. Helps when multiple box's have to be handled.
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264
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=head3 $rebox->register( $id, $exact, $regexp, $desc )
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265
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266
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Register a regexp. All arguments are required. The C<$id> should contain
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267
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a category path ( i.e. 'net/uri' ). It is used when later retrieved with
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268
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C<$rebox-Erequest>. The C<$exact> is a boolean field that defines if the
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269
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regexp gets wrapped with '^$' (see C<$rebox-Eexact> below). One could
|
270
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use closure/function-pointers as C<$regexp> or C<$desc> if some run-time
|
271
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construction would be required (Some flexible L regexp's require
|
272
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that for argument passing. Here some examples:
|
273
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|
274
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$rebox->register( 'category/id', 0, qr//, 'description' );
|
275
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|
276
|
|
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|
$rebox->register( 'category/id', 0, sub { }, sub { 'description' } );
|
277
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|
278
|
|
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|
$rebox->register(
|
279
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|
|
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|
280
|
|
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|
|
'std/uri',
|
281
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|
282
|
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|
1,
|
283
|
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|
284
|
|
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|
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|
|
sub { $Regexp::Box::RE{URI}{HTTP}{ -scheme => $_[1] || 'HTTP' } },
|
285
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
sub { sprintf "an uri (default: %s)", $_[1] || 'HTTP' }
|
287
|
|
|
|
|
|
|
);
|
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
=head3 $field = $rebox->request( $id, $field_name )
|
290
|
|
|
|
|
|
|
|
291
|
|
|
|
|
|
|
Currently 'regexp', 'desc' and 'created', 'exact' as $field_name.
|
292
|
|
|
|
|
|
|
|
293
|
|
|
|
|
|
|
$rebox->request( 'net/email', 'desc' );
|
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
Returns the C field of the 'net/email' regexp.
|
296
|
|
|
|
|
|
|
|
297
|
|
|
|
|
|
|
=head3 @ids = $rebox->request();
|
298
|
|
|
|
|
|
|
|
299
|
|
|
|
|
|
|
Returns array of C<$id> of all registered regexps.
|
300
|
|
|
|
|
|
|
|
301
|
|
|
|
|
|
|
=head3 $rebox->exact
|
302
|
|
|
|
|
|
|
|
303
|
|
|
|
|
|
|
Wraps a regex internally into '^$'. May be overloaded if its too stupid.
|
304
|
|
|
|
|
|
|
|
305
|
|
|
|
|
|
|
=head1 $Regexp::Box::RE
|
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
L is heavily used and one could access it via C<$Regexp::Box::RE> without loading it redundantly.
|
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
=back
|
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
<& /maslib/delayed.mas, comp => '/maslib/signatures.mas:author_as_pod' &>
|
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
=cut
|