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====== XML::Application::Config ======

''XML::Application::Config'' is a perl module for handling ''XML'' based
configuration files.


Examples:
<file txt .myApplication.xml>
<?xml version="1.0" encoding="utf-8"?>
<!-- Stand: Fri Mar 16 13:36:58 CET 2012 -->
<applicationconfig version="0.2">
           <application name="myApplication">
                        <hostname value="myHost.example.org" />
                        <auth>
                                <login    value="johndoe"/>
                                <password value="secret"/>
                        </auth>
                        <optionlist>
                                <option name="o1" value="I" />
                                <option name="o2" value="II" />
                                <option name="o3" value="III" />
                        </optionlist>
           </application>
</applicationconfig>
</file>

<file txt example.pl>
#!/usr/bin/perl

use strict; 
use XML::Application::Config;
use Data::Dumper;

my $xmlfilename = $ENV{HOME}."/.myApplication.xml";

my $cfg    = XML::Application::Config->new("myApplication",$xmlfilename);
my $login  = $cfg->find('auth/login/@value');
my $passwd = $cfg->find('auth/password/@value');

my $optionscount  = $cfg->find("count(optionlist/option)");

print "Options(#): '$optionscount'\n";

for (my $i=1; $i <= $optionscount; $i++) {
        my $name  = $cfg->find("optionlist/option[$i]/\@name");
        my $value = $cfg->find("optionlist/option[$i]/\@value");
        $options->{$name} = $value;
        print "    Option $i: '$name'='$value'\n";
}

print Dumper($options);
</file>

===== bugs & wish list =====

  * The .deb-package lacks the dependency of libxml-xpath-perl (2015-02-23)
  * Replace XML::XPath by XML::LibXML2 (2015-02-23)
  * The <include/> statement allows only for including stuff from the same <application> namespace. Sometimes access to arbitarary config trees of another application would be nice. Thinking about <import/> or similar. (2015-02-23)
  * Some variable replacement mechanism. Like <basedir value="/var/lib/app"/> and <workdir value="${basedir}/work"/> . Testcode currently runs in mkrepo. (2015-02-23)
  * Hierarchical config file processing: /etc/<app> first, ~/.<app> next, ./.<app> each overriding the settings from its predecessors.
  * manpage: missing like break in SYNOPSIS,
  * manpage: broken constructor call in SYNOPSIS
  * manpage: xpaths with leading / in SYNOPSIS
  * manpage: ~ - expansion is suggested, change exampels to $ENV{HOME}
  * ~ - expansion would be nice