1Tie::Simple(3)        User Contributed Perl Documentation       Tie::Simple(3)
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NAME

6       Tie::Simple - Variable ties made easier: much, much, much easier...
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VERSION

9       version 1.04
10

SYNOPSIS

12         use Tie::Simple;
13
14         tie $scalar, 'Tie::Simple', $data,
15             FETCH     => sub { ... },
16             STORE     => sub { ... };
17
18         tie @array, 'Tie::Simple', $data,
19             FETCH     => sub { ... },
20             STORE     => sub { ... },
21             FETCHSIZE => sub { ... },
22             STORESIZE => sub { ... },
23             EXTEND    => sub { ... },
24             EXISTS    => sub { ... },
25             DELETE    => sub { ... },
26             CLEAR     => sub { ... },
27             PUSH      => sub { ... },
28             POP       => sub { ... },
29             SHIFT     => sub { ... },
30             UNSHIFT   => sub { ... },
31             SPLICE    => sub { ... };
32
33         tie %hash, 'Tie::Simple', $data,
34             FETCH     => sub { ... },
35             STORE     => sub { ... },
36             DELETE    => sub { ... },
37             CLEAR     => sub { ... },
38             EXISTS    => sub { ... },
39             FIRSTKEY  => sub { ... },
40             NEXTKEY   => sub { ... };
41
42         tie *HANDLE, 'Tie::Simple', $data,
43             WRITE     => sub { ... },
44             PRINT     => sub { ... },
45             PRINTF    => sub { ... },
46             READ      => sub { ... },
47             READLINE  => sub { ... },
48             GETC      => sub { ... },
49             CLOSE     => sub { ... };
50

DESCRIPTION

52       This module adds the ability to quickly create new types of tie objects
53       without creating a complete class. It does so in such a way as to try
54       and make the programmers life easier when it comes to single-use ties
55       that I find myself wanting to use from time-to-time.
56
57       The "Tie::Simple" package is actually a front-end to other classes
58       which really do all the work once tied, but this package does the
59       dwimming to automatically figure out what you're trying to do.
60
61       I've tried to make this as intuitive as possible and dependent on other
62       bits of Perl where I can to minimize the need for documentation and to
63       make this extra, extra spiffy.
64

SIMPLE TYING

66       To setup your quick tie, simply start with the typical tie statement on
67       the variable you're tying. You should always tie to the "Tie::Simple"
68       package and not directly to the other packages included with this
69       module as those are only present as helpers (even though they are
70       really the tie classes).
71
72       The type of tie depends upon the type of the first argument given to
73       tie. This should be rather obvious from the "SYNOPSIS" above.
74       Therefore, the arguments are:
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76       1.  The variable to be tied.
77
78       2.  The string 'Tie::Simple'.
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80       3.  A scalar value (hereafter called the "local data").
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82       4.  A list of name/CODE pairs.
83
84       At this point, you'll need to have some understanding of tying before
85       you can continue. I suggest looking through perltie.
86
87       As you will note in the perltie documentation, every tie package
88       defines functions whose first argument is called "this". The third
89       argument, local data, will take the place of "this" in all the
90       subroutine calls you define in the name/CODE pair list. Each name
91       should be the name of the function that would be defined for the
92       appropriate tie-type if you were to do a full-blown package definition.
93       The subroutine matched to that name will take the exact arguments
94       specified in the perltie documentation, but instead of "this" it will
95       be given the local data scalar value you set (which could even be
96       "undef" if you don't need it).
97

TIES CAN BE SIMPLER STILL

99       The synopsis above shows the typical subroutines you could define. (I
100       left out the "UNTIE" and "DESTROY" methods, but you may define these if
101       you need them, but be sure to read the perltie documentation on
102       possible caveats.) However, the "SYNOPSIS" is way more complete then
103       you probably need to be in most cases. This is because "Tie::Simple"
104       does it's best to make use of some of the handy Perl built-ins which
105       help with creating tie packages.
106
107   SCALARS
108       If you are creating a scalar tie, then you can assume all the benefits
109       of being a Tie::Scalar.
110
111   ARRAYS
112       If you are creating an array tie, then you may assume all the benefits
113       of being a Tie::Array.
114
115   HASHES
116       If you are creating a hash tie, then you may assume all the benefits of
117       being a Tie::Hash.
118
119   HANDLES
120       If you are creating a handle tie, then you may assume all the benefits
121       of being a Tie::Handle.
122

TO DO

124       It sure would be nice if you could declare custom @ISA lists, wouldn't
125       it?  I'd like to add such a feature, but coming up with some custom
126       "SUPER::" dispatch code or generating new "anonymous" packages are the
127       only ways I can think to do it. I don't really have time to add such a
128       feature just now.
129

SEE ALSO

131       perltie, Tie::Scalar, Tie::Array, Tie::Hash, Tie::Handle
132

AUTHOR

134       Andrew Sterling Hanenkamp <hanenkamp@cpan.org>
135

137       This software is copyright (c) 2015 by Qubling Software LLC.
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139       This is free software; you can redistribute it and/or modify it under
140       the same terms as the Perl 5 programming language system itself.
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144perl v5.30.1                      2020-01-30                    Tie::Simple(3)
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