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<?php
namespace Webmozart\Console\Args;
use RuntimeException;
use Symfony\Component\Console\Input\ArgvInput;
use Symfony\Component\Console\Input\InputArgument;
use Webmozart\Console\Adapter\ArgsFormatInputDefinition;
use Webmozart\Console\Api\Args\Args;
use Webmozart\Console\Api\Args\ArgsParser;
use Webmozart\Console\Api\Args\CannotParseArgsException;
use Webmozart\Console\Api\Args\Format\ArgsFormat;
use Webmozart\Console\Api\Args\RawArgs;
class DefaultArgsParser extends ArgvInput implements ArgsParser
{
public function __construct()
{
parent::__construct();
}
public function parseArgs(RawArgs $args, ArgsFormat $format, $lenient = false)
{
$this->setTokens($args->getTokens());
$formatAdapter = new ArgsFormatInputDefinition($format);
try {
$this->bind($formatAdapter);
} catch (RuntimeException $e) {
if (!$lenient) {
throw new CannotParseArgsException($e->getMessage());
}
}
$this->insertMissingCommandNames($formatAdapter, $lenient);
try {
$this->validate();
} catch (RuntimeException $e) {
if (!$lenient) {
throw new CannotParseArgsException($e->getMessage());
}
}
return $this->createArgs($format, $args);
}
private function createArgs(ArgsFormat $format, RawArgs $rawArgs)
{
$args = new Args($format, $rawArgs);
foreach ($this->arguments as $name => $value) {
if ($format->hasArgument($name)) {
$args->setArgument($name, $value);
}
}
foreach ($this->options as $name => $value) {
if ($format->hasOption($name)) {
$args->setOption($name, $value);
}
}
return $args;
}
private function insertMissingCommandNames(ArgsFormatInputDefinition $inputDefinition, $lenient = false)
{
$inputArguments = $inputDefinition->getArguments();
$fixedValues = array();
$commandNames = $inputDefinition->getCommandNamesByArgumentName();
$actualValues = $this->flatten($this->arguments);
reset($commandNames);
reset($actualValues);
reset($inputArguments);
$this->skipCommandNames($actualValues, $commandNames);
$this->copyArgumentValues($commandNames, $inputArguments, $fixedValues, $lenient);
$this->copyArgumentValues($actualValues, $inputArguments, $fixedValues, $lenient);
foreach ($fixedValues as $name => $value) {
$this->arguments[$name] = $value;
}
}
private function flatten(array $arguments, array &$result = array())
{
foreach ($arguments as $value) {
if (is_array($value)) {
$this->flatten($value, $result);
} else {
$result[] = $value;
}
}
return $result;
}
private function skipCommandNames(array &$arguments, array $commandNames)
{
reset($commandNames);
while (null !== key($arguments) && null !== key($commandNames) && current($commandNames)->match(current($arguments))) {
next($arguments);
next($commandNames);
}
}
private function copyArgumentValues(array &$actualValues, array &$inputArguments, array &$fixedValues, $lenient = false)
{
while (null !== key($actualValues)) {
if (null === key($inputArguments)) {
if ($lenient) {
return;
}
throw new CannotParseArgsException('Too many arguments.');
}
$argument = current($inputArguments);
$name = $argument->getName();
$value = current($actualValues);
if ($argument->isArray()) {
if (!isset($fixedValues[$name])) {
$fixedValues[$name] = array();
}
$fixedValues[$name][] = $value;
} else {
$fixedValues[$name] = $value;
next($inputArguments);
}
next($actualValues);
}
}
}