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Refactoring arguments into a separate object.

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This commit is contained in:
mark_story 2010-10-10 14:31:47 -04:00
parent 12fba88528
commit 2774493577
1 changed files with 96 additions and 32 deletions
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128
cake/console/console_option_parser.php
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@ -228,15 +228,17 @@ class ConsoleOptionParser {
* @return $this.
*/
public function addArgument($name, $params = array()) {
$index = count($this->_args);
$defaults = array(
'name' => $name,
'help' => '',
'index' => $index,
'index' => count($this->_args),
'required' => false
);
$options = array_merge($defaults, $params);
$this->_args[$options['index']] = $options;
$index = $options['index'];
unset($options['index']);
$this->_args[$index] = new ConsoleInputArgument($options);
return $this;
}
@ -336,9 +338,9 @@ class ConsoleOptionParser {
}
}
foreach ($this->_args as $i => $arg) {
if ($arg['required'] && !isset($args[$i])) {
if ($arg->isRequired() && !isset($args[$i])) {
throw new RuntimeException(
sprintf(__('Missing required arguments. %s is required.'), $arg['name'])
sprintf(__('Missing required arguments. %s is required.'), $arg->name())
);
}
}
@ -400,14 +402,14 @@ class ConsoleOptionParser {
}
if (!empty($this->_args)) {
$max = 0;
foreach ($this->_args as $description) {
$max = (strlen($description['name']) > $max) ? strlen($description['name']) : $max;
foreach ($this->_args as $argument) {
$max = (strlen($argument->name) > $max) ? strlen($argument->name) : $max;
}
$max += 2;
$out[] = '<info>Arguments:</info>';
$out[] = '';
foreach ($this->_args as $description) {
$out[] = $this->_argumentHelp($description, $max);
foreach ($this->_args as $argument) {
$out[] = $argument->help($max);
}
$out[] = '';
}
@ -432,33 +434,12 @@ class ConsoleOptionParser {
foreach ($this->_options as $option) {
$usage[] = $option->usage();
}
foreach ($this->_args as $definition) {
$name = $definition['name'];
if (!$definition['required']) {
$name = '[' . $name . ']';
}
$usage[] = $name;
foreach ($this->_args as $argument) {
$usage[] = $argument->usage();
}
return implode(' ', $usage);
}
/**
* Generate the usage for a single argument.
*
* @return string
*/
protected function _argumentHelp($definition, $width) {
$name = $definition['name'];
if (strlen($name) < $width) {
$name = str_pad($name, $width, ' ');
}
$optional = '';
if (!$definition['required']) {
$optional = ' <comment>(optional)</comment>';
}
return sprintf('%s%s%s', $name, $definition['help'], $optional);
}
/**
* Generate help for a single subcommand.
*
@ -655,3 +636,86 @@ class ConsoleInputOption {
return (bool) $this->boolean;
}
}
/**
* An object to represent a single argument used in the command line.
* ConsoleOptionParser creates these when you use addArgument()
*
* @see ConsoleOptionParser::addArgument()
* @package cake.console
*/
class ConsoleInputArgument {
/**
* Make a new Input Argument
*
* @param mixed $name The long name of the option, or an array with all the properites.
* @param string $help The help text for this option
* @param boolean $required Whether this argument is required. Missing required args will trigger exceptions
* @param arraty $choices Valid choices for this option.
* @return void
*/
public function __construct($name, $help = '', $required = false, $choices = array()) {
if (is_array($name) && isset($name['name'])) {
foreach ($name as $key => $value) {
$this->{$key} = $value;
}
} else {
$this->name = $name;
$this->help = $help;
$this->required = $required;
$this->choices = $choices;
}
}
/**
* Get the name of the argument
*
* @return void
*/
public function name() {
return $this->name;
}
/**
* Generate the help for this this argument.
*
* @param int $width The width to make the name of the option.
* @return string
*/
public function help($width = 0) {
$name = $this->name;
if (strlen($name) < $width) {
$name = str_pad($name, $width, ' ');
}
$optional = '';
if (!$this->isRequired()) {
$optional = ' <comment>(optional)</comment>';
}
return sprintf('%s%s%s', $name, $this->help, $optional);
}
/**
* Get the usage value for this argument
*
* @return string
*/
public function usage() {
$name = $this->name;
if (!$this->isRequired()) {
$name = '[' . $name . ']';
}
return $name;
}
/**
* Check if this argument is a required argument
*
* @return boolean
*/
public function isRequired() {
return (bool) $this->required;
}
}