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Config::Model::TermUI(3) User Contributed Perl Documentation Config::Model::TermUI(3)

Config::Model::TermUI - Interactive command line interface for cme

version 2.149

 use Config::Model;
 use Config::Model::TermUI ;

 # define configuration tree object
 my $model = Config::Model->new;
    name    => "Foo",
    element => [
        [qw/foo bar/] => {
            type       => 'leaf',
            value_type => 'string'
 $model ->create_config_class (
    name => "MyClass",

    element => [

        [qw/foo bar/] => {
            type       => 'leaf',
            value_type => 'string'
        hash_of_nodes => {
            type       => 'hash',     # hash id
            index_type => 'string',
            cargo      => {
                type              => 'node',
                config_class_name => 'Foo'
 ) ;

 my $inst = $model->instance(root_class_name => 'MyClass' );

 my $root = $inst->config_root ;

 # put data
 my $steps = 'foo=FOO hash_of_nodes:fr foo=bonjour -
   hash_of_nodes:en foo=hello ';
 $root->load( steps => $steps );

 my $ui = Config::Model::TermUI->new(
     root => $root ,
     title => 'My class ui',
     prompt => 'class ui',

 # engage in user interaction
 $ui -> run_loop ;

 print $root->dump_tree ;

Once the synopsis above has been saved in "", you can achieve the same interactions as with "Config::Model::SimpleUI". Except that you can use TAB completion:

 class ui:$ ls
 foo  bar  hash_of_nodes
 class ui:$ ll hash_of_nodes
 name         value        type         comment
 hash_of_nodes <Foo>        node hash    keys: "en" "fr"

 class ui:$ cd hash_of_nodes:en
 class ui: hash_of_nodes:en $ ll
 name         value        type         comment
 foo          hello        string
 bar          [undef]      string

 class ui: hash_of_nodes:en $ set bar=bonjour
 class ui: hash_of_nodes:en $ ll
 name         value        type         comment
 foo          hello        string
 bar          bonjour      string

 class ui: hash_of_nodes:en $ ^D

At the end, the test script dumps the configuration tree. The modified "bar" value can be found in there:

   bar=bonjour -
   foo=bonjour - -

This module provides a helper to construct pure ASCII user interface on top of Term::ReadLine. To get better interaction you must install either Term::ReadLine::Gnu or Term::ReadLine::Perl.

Depending on your installation, either Term::ReadLine::Gnu or Term::ReadLine::Perl is used. See Term::ReadLine to override default choice.

This module is optional and depends on Term::ReadLine to work. To reduce the dependency list of Config::Model, "Term::ReadLine" is only recommended. cme gracefully degrades to Config::Model::SimpleUI when necessary.

See "USER COMMAND SYNTAX" in Config::Model::SimpleUI.

Root node of the configuration tree
UI title
UI prompt. The prompt will be completed with the location of the current node.

Engage in user interaction until user enters '^D' (CTRL-D).

  • Auto-completion is not complete.
  • Auto-completion provides wrong choice when you try to "cd" in a hash where the index contains a white space. I.e. the correct command is "cd foo:"a b"" instead of "cd foo: "a b"" as proposed by auto completion.

Dominique Dumont, (ddumont at cpan dot org)

Config::Model, Config::Model::Instance, Config::Model::Node,

Dominique Dumont

This software is Copyright (c) 2005-2022 by Dominique Dumont.

This is free software, licensed under:

  The GNU Lesser General Public License, Version 2.1, February 1999
2022-04-07 perl v5.32.1

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