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package Petal::Utils::Base; |
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3
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#rename: package Petal::Plugin; ? |
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15
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15
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use strict; |
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15
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509
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use warnings::register; |
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15
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2034
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95
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use Carp; |
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14420
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our $VERSION = ((require Petal::Utils), $Petal::Utils::VERSION)[1]; |
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our $REVISION = (split(/ /, ' $Revision: 1.5 $ '))[2]; |
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## Define the enclosed packages inside the Petal Modifiers hash |
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sub install { |
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0
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my $class = shift; |
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75
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foreach my $name ($class->name, $class->aliases) { |
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90
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$Petal::Hash::MODIFIERS->{"$name:"} = $class; |
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} |
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75
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return $class; |
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} |
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sub process { |
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0
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my $class = shift; |
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0
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confess( "$class does not override process()" ); |
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} |
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sub name { |
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my $class = shift; |
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confess( "$class does not override name()" ); |
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} |
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sub aliases { |
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my $class = shift; |
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confess( "$class does not override aliases()" ); |
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} |
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sub split_first_arg { |
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0
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5128
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my $class = shift; |
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my $args = shift; |
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# don't use split(/\s/,...) as we might kill an expression that way |
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return ($args =~ /\A(.+?)\s+(.*)\z/); |
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} |
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# Return a list of all arguments as an array - does not perform expansion on |
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# embedded modifiers |
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sub split_args { |
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40
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40
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0
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5919
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my $class = shift; |
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57
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my ($args) = @_; |
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# W. Smith's regex |
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40
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return ($args =~ /('[^']+'|\S+)/g); |
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} |
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55
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# Returns an argument from the data hash as a string/object or as a plaintext |
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# if arg is surrounded by single quotes or a number (decimal points OK) |
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# Arguments: |
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# $hash - reference to the Petal data hash |
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# $arg - the argument |
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sub fetch_arg { |
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69
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69
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0
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2034
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my $class = shift; |
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69
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110
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my ($hash, $arg) = @_; |
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64
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69
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100
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149
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return undef unless defined($arg); |
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64
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100
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230
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if($arg =~ /\'/) { |
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100
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66
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22
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56
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$arg =~ s/\'//g; |
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22
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68
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return $arg; |
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} |
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elsif($arg =~ /^[0-9.]+$/) { |
70
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13
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return $arg; |
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} |
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else { |
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#warn "Returning hash key for $arg"; |
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29
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105
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return $hash->fetch($arg); |
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} |
76
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} |
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78
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79
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80
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81
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1; |
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