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LScli: add BASH autocompletion support

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This commit is contained in:
Benjamin Renard 2020-06-14 23:42:11 +02:00
parent 6c9ad1884a
commit 3494cc55c8
5 changed files with 231 additions and 16 deletions
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2
debian/control vendored
View file

@ -1,7 +1,7 @@
Source: ldapsaisie
Section: admin
Priority: extra
Build-Depends: debhelper, xsltproc, docbook-xsl
Build-Depends: debhelper, xsltproc, docbook-xsl, bash-completion
Maintainer: Benjamin Renard <brenard@easter-eggs.com>
Package: ldapsaisie

5
debian/ldapsaisie.bash-completion vendored Normal file
View file

@ -0,0 +1,5 @@
_ldapsaisie()
{
COMPREPLY=( $(/usr/sbin/ldapsaisie bash_autocomplete ${COMP_CWORD} -- ${COMP_WORDS[@]}) )
}
complete -o default -F _ldapsaisie ldapsaisie

2
debian/rules vendored
View file

@ -1,7 +1,7 @@
#!/usr/bin/make -f
%:
dh $@
dh $@ --with bash-completion
override_dh_auto_build:
make -C $(CURDIR)/doc/exports/html -f Makefile debian

234
src/includes/class/class.LScli.php
View file

@ -38,19 +38,22 @@ class LScli extends LSlog_staticLoggerClass {
/**
* Add a CLI command
*
* @param[in] $command string The CLI command name (required)
* @param[in] $handler callable The CLI command handler (must be callable, required)
* @param[in] $short_desc string|false A short description of what this command does (required)
* @param[in] $usage_args string|false A short list of commands available arguments show in usage message
* (optional, default: false)
* @param[in] $long_desc string|false A long description of what this command does (optional, default: false)
* @param[in] $need_ldap_con boolean Permit to define if this command need connection to LDAP server (optional,
* default: true)
* @param[in] $override boolean Allow override if a command already exists with the same name (optional,
* default: false)
* @param[in] $command string The CLI command name (required)
* @param[in] $handler callable The CLI command handler (must be callable, required)
* @param[in] $short_desc string|false A short description of what this command does (required)
* @param[in] $usage_args string|false A short list of commands available arguments show in usage message
* (optional, default: false)
* @param[in] $long_desc string|false A long description of what this command does (optional, default: false)
* @param[in] $need_ldap_con boolean Permit to define if this command need connection to LDAP server (optional,
* default: true)
* @param[in] $args_autocompleter callable|null Allow override if a command already exists with the same name (optional,
* @param[in] $override boolean Allow override if a command already exists with the same name (optional,
* default: false)
*
* @retval void
**/
public static function add_command($command, $handler, $short_desc, $usage_args=false, $long_desc=false,
$need_ldap_con=true, $override=false) {
$need_ldap_con=true, $args_autocompleter=null, $override=false) {
if (array_key_exists($command, self :: $commands) && !$override) {
LSerror :: addErrorCode('LScli_01', $command);
return False;
@ -67,6 +70,7 @@ class LScli extends LSlog_staticLoggerClass {
'usage_args' => $usage_args,
'long_desc' => $long_desc,
'need_ldap_con' => boolval($need_ldap_con),
'args_autocompleter' => $args_autocompleter,
);
return True;
}
@ -139,7 +143,7 @@ class LScli extends LSlog_staticLoggerClass {
if (!$command)
self :: $current_command = $command = $argv[$i];
else
self :: usage(_("Only one command could be executed !"));
$command_args[] = $argv[$i];
}
else {
switch($argv[$i]) {
@ -184,6 +188,10 @@ class LScli extends LSlog_staticLoggerClass {
if(!LSsession :: loadLSaddon($addon))
self :: usage("Fail to load addon '$addon'.");
break;
case '--':
$command_args = array_merge($command_args, array_slice($argv, $i));
$i = count($argv);
break;
default:
if ($command)
$command_args[] = $argv[$i];
@ -333,6 +341,196 @@ class LScli extends LSlog_staticLoggerClass {
return true;
}
/**
* CLI command to handle BASH command autocompleter
*
* @param[in] $command_args array Command arguments
*
* @retval boolean True on succes, false otherwise
**/
public static function bash_autocomplete($command_args) {
if (count($command_args) < 3)
return;
$comp_word_num = intval($command_args[0]);
if ($comp_word_num <= 0) return;
if ($command_args[1] != '--') return;
$comp_words = array_slice($command_args, 2);
$comp_word = (isset($comp_words[$comp_word_num])?$comp_words[$comp_word_num]:'');
self :: log_debug("bash_autocomplete: words = '".implode("', '", $comp_words)."' | word to complete = #$comp_word_num == '$comp_word'");
// Detect if command already enter, if LDAP server is selected and load specified class/addon
$command = null;
for ($i=1; $i < count($comp_words); $i++) {
if (array_key_exists($comp_words[$i], self :: $commands)) {
if (!$command)
$command = $comp_words[$i];
}
else {
switch($comp_words[$i]) {
case '-S':
case '--ldap-server':
$i++;
if ($i == $comp_word_num) {
return self :: return_bash_autocomplete_list(
self :: autocomplete_opts(array_keys(LSconfig :: get("ldap_servers", array())), $comp_word)
);
}
if (!isset($comp_words[$i]))
break;
if (isset($comp_words[$i])) {
$ldap_server_id = intval($comp_words[$i]);
if(!LSsession :: setLdapServer($ldap_server_id))
self :: usage("Fail to select LDAP server #$ldap_server_id.");
}
break;
case '-L':
case '--load-class':
$i++;
if ($i == $comp_word_num) {
return self :: return_bash_autocomplete_list(
self :: autocomplete_class_name($comp_word)
);
}
if (!isset($comp_words[$i]))
break;
$class = $comp_words[$i];
if(!LSsession :: loadLSclass($class))
self :: usage("Fail to load class '$class'.");
break;
case '-A':
case '--load-addon':
$i++;
if ($i == $comp_word_num) {
return self :: return_bash_autocomplete_list(
self :: autocomplete_addon_name($comp_word)
);
}
if (!isset($comp_words[$i]))
break;
$addon = $comp_words[$i];
if(!LSsession :: loadLSaddon($addon))
self :: usage("Fail to load addon '$addon'.");
break;
}
}
}
// List available options
$opts = array(
'-h', '--help',
'-d', '--debug',
'-v', '--verbose',
'-q', '--quiet',
'-C', '--console',
'-S', '--ldap-server',
'-L', '--load-class',
'-A', '--load-addon',
);
// If command set and args autocompleter defined, use it
if ($command && is_callable(self :: $commands[$command]['args_autocompleter'])) {
return self :: return_bash_autocomplete_list(
call_user_func(
self :: $commands[$command]['args_autocompleter'],
$comp_words,
$comp_word_num,
$comp_word,
$opts
)
);
}
// If command not already choiced, add commands name to available options list
if (!$command)
$opts = array_merge($opts, array_keys(self :: $commands));
return self :: return_bash_autocomplete_list(
self :: autocomplete_opts($opts, $comp_word, true)
);
}
/**
* Print list of available autocomplete options as required by BASH
*
* @param[in] $list mixed List of available autocomplete options if it's an array
*
* @retval boolean True if $list is an array, false otherwise
**/
public static function return_bash_autocomplete_list($list) {
if (is_array($list)) {
echo implode("\n", $list);
return true;
}
return false;
}
/**
* Autocomplete class name
*
* @param[in] $prefix string Class name prefix (optional, default=empty string)
*
* @retval array List of matched class names
**/
public static function autocomplete_class_name($prefix='') {
$classes = array();
$regex = "/^class\.($prefix.*)\.php$/";
foreach(array(LS_ROOT_DIR."/".LS_CLASS_DIR, LS_ROOT_DIR."/".LS_LOCAL_DIR."/".LS_CLASS_DIR) as $dir_path) {
foreach (listFiles($dir_path, $regex) as $file) {
$class = $file[1];
if (!in_array($class, $classes))
$classes[] = $class;
}
}
return $classes;
}
/**
* Autocomplete addon name
*
* @param[in] $prefix string Addon name prefix (optional, default=empty string)
*
* @retval array List of matched addon names
**/
public static function autocomplete_addon_name($prefix='') {
$addons = array();
$regex = "/^LSaddons\.($prefix.*)\.php$/";
foreach(array(LS_ROOT_DIR."/".LS_ADDONS_DIR, LS_ROOT_DIR."/".LS_LOCAL_DIR."/".LS_ADDONS_DIR) as $dir_path) {
foreach (listFiles($dir_path, $regex) as $file) {
$addon = $file[1];
if (!in_array($addon, $addons))
$addons[] = $addon;
}
}
return $addons;
}
/**
* Autocomplete options
*
* @param[in] $opts array Available options
* @param[in] $prefix string Option name prefix (optional, default=empty string)
* @param[in] $case_sensitive boolean Set to false if options are case insensitive (optional, default=true)
*
* @retval array List of matched options
**/
public static function autocomplete_opts($opts, $prefix='', $case_sensitive=true) {
if (!is_string($prefix) || strlen($prefix)==0)
return $opts;
if (!$case_sensitive)
$prefix = strtolower($prefix);
$matched_opts = array();
foreach($opts as $key => $opt) {
if (!$case_sensitive)
$opt = strtolower($opt);
if (substr($opt, 0, strlen($prefix)) == $prefix)
$matched_opts[] = $opts[$key];
}
self :: log_debug("autocomplete_opts(".implode('|', $opts).", $prefix, case ".($case_sensitive?"sensitive":"insensitive").") : matched opts: ".print_r($matched_opts, true));
return $matched_opts;
}
}
/*
@ -344,3 +542,15 @@ _("LScli : The CLI command '%{command}' already exists.")
LSerror :: defineError('LScli_02',
_("LScli : The CLI command '%{command}' handler is not callable.")
);
/*
* Register LScli commands
*/
LScli :: add_command(
'bash_autocomplete',
array('LScli', 'bash_autocomplete'),
'Handle BASH completion',
'[arg num to autocomplete] -- [command args]',
null,
false
);

4
src/includes/functions.php
View file

@ -626,8 +626,8 @@ function LSdebugDefined() {
$d = dir($dir);
while (false !== ($file = $d->read())) {
if (is_file("$dir/$file")) {
if (preg_match($regex,$file)) {
$retval[]=$file;
if (preg_match($regex, $file, $m)) {
$retval[]=((is_array($m) && count($m)>1)?$m:$file);
}
}
}