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<?php
/*
* This file is part of the Fxp Composer Asset Plugin package.
*
* (c) François Pluchino <francois.pluchino@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Fxp\Composer\AssetPlugin\Converter;
/**
* Converter for Semver syntax version to composer syntax version.
*
* @author François Pluchino <francois.pluchino@gmail.com>
*/
class SemverConverter implements VersionConverterInterface
{
/**
* {@inheritdoc}
*/
public function convertVersion($version)
{
if (\in_array($version, array(null, '', 'latest'), true)) {
return ('latest' === $version ? 'default || ' : '').'*';
}
$version = str_replace('–', '-', $version);
$prefix = preg_match('/^[a-z]/', $version) && 0 !== strpos($version, 'dev-') ? substr($version, 0, 1) : '';
$version = substr($version, \strlen($prefix));
$version = SemverUtil::convertVersionMetadata($version);
$version = SemverUtil::convertDateVersion($version);
return $prefix.$version;
}
/**
* {@inheritdoc}
*/
public function convertRange($range)
{
$range = $this->cleanRange(strtolower($range));
return $this->matchRange($range);
}
/**
* Clean the raw range.
*
* @param string $range
*
* @return string
*/
protected function cleanRange($range)
{
foreach (array('<', '>', '=', '~', '^', '||', '&&') as $character) {
$range = str_replace($character.' ', $character, $range);
}
$range = preg_replace('/(?:[vV])(\d+)/', '${1}', $range);
$range = str_replace(' ||', '||', $range);
return str_replace(array(' &&', '&&'), ',', $range);
}
/**
* Match the range.
*
* @param string $range The range cleaned
*
* @return string The range
*/
protected function matchRange($range)
{
$pattern = '/(\ -\ )|(<)|(>)|(=)|(\|\|)|(\ )|(,)|(\~)|(\^)/';
$matches = preg_split($pattern, $range, -1, PREG_SPLIT_DELIM_CAPTURE);
$special = null;
$replace = null;
$first = true;
foreach ($matches as $i => $match) {
if ($first && '' !== $match) {
$first = false;
$match = '=' === $match ? 'EQUAL' : $match;
}
$this->matchRangeToken($i, $match, $matches, $special, $replace);
}
return implode('', $matches);
}
/**
* Converts the token of the matched range.
*
* @param int $i
* @param string $match
* @param array $matches
* @param null|string $special
* @param null|string $replace
*/
protected function matchRangeToken($i, $match, array &$matches, &$special, &$replace)
{
if (' - ' === $match) {
$matches[$i - 1] = '>='.str_replace(array('*', 'x', 'X'), '0', $matches[$i - 1]);
if (false !== strpos($matches[$i + 1], '.') && false === strpos($matches[$i + 1], '*')
&& false === strpos($matches[$i + 1], 'x') && false === strpos($matches[$i + 1], 'X')) {
$matches[$i] = ',<=';
} else {
$matches[$i] = ',<';
$special = ',<~';
}
} else {
$this->matchRangeTokenStep2($i, $match, $matches, $special, $replace);
}
}
/**
* Step2: Converts the token of the matched range.
*
* @param int $i
* @param string $match
* @param array $matches
* @param null|string $special
* @param null|string $replace
*/
protected function matchRangeTokenStep2($i, $match, array &$matches, &$special, &$replace)
{
if (\in_array($match, array('', '<', '>', '=', ','), true)) {
$replace = \in_array($match, array('<', '>'), true) ? $match : $replace;
$matches[$i] = '~' === $special && \in_array($replace, array('<', '>'), true) ? '' : $matches[$i];
} elseif ('~' === $match) {
$special = $match;
} elseif (\in_array($match, array('EQUAL', '^'), true)) {
$special = $match;
$matches[$i] = '';
} else {
$this->matchRangeTokenStep3($i, $match, $matches, $special, $replace);
}
}
/**
* Step3: Converts the token of the matched range.
*
* @param int $i
* @param string $match
* @param array $matches
* @param null|string $special
* @param null|string $replace
*/
protected function matchRangeTokenStep3($i, $match, array &$matches, &$special, &$replace)
{
if (' ' === $match) {
$matches[$i] = ',';
} elseif ('||' === $match) {
$matches[$i] = '|';
} elseif (\in_array($special, array('^'), true)) {
$matches[$i] = SemverRangeUtil::replaceSpecialRange($this, $match);
$special = null;
} else {
$this->matchRangeTokenStep4($i, $match, $matches, $special, $replace);
}
}
/**
* Step4: Converts the token of the matched range.
*
* @param int $i
* @param string $match
* @param array $matches
* @param null|string $special
* @param null|string $replace
*/
protected function matchRangeTokenStep4($i, $match, array &$matches, &$special, &$replace)
{
if (',<~' === $special) {
// Version range contains x in last place.
$match .= (false === strpos($match, '.') ? '.x' : '');
$version = explode('.', $match);
$change = \count($version) - 2;
$version[$change] = (int) ($version[$change]) + 1;
$match = str_replace(array('*', 'x', 'X'), '0', implode('.', $version));
} elseif (null === $special && 0 === $i && false === strpos($match, '.') && is_numeric($match)) {
$match = isset($matches[$i + 1]) && (' - ' === $matches[$i + 1] || '-' === $matches[$i + 1])
? $match
: '~'.$match;
} else {
$match = '~' === $special ? str_replace(array('*', 'x', 'X'), '0', $match) : $match;
}
$this->matchRangeTokenStep5($i, $match, $matches, $special, $replace);
}
/**
* Step5: Converts the token of the matched range.
*
* @param int $i
* @param string $match
* @param array $matches
* @param null|string $special
* @param null|string $replace
*/
protected function matchRangeTokenStep5($i, $match, array &$matches, &$special, &$replace)
{
$matches[$i] = $this->convertVersion($match);
$matches[$i] = $replace
? SemverUtil::replaceAlias($matches[$i], $replace)
: $matches[$i];
$matches[$i] .= '~' === $special && \in_array($replace, array('<', '>'), true)
? ','.$replace.$matches[$i]
: '';
$special = null;
$replace = null;
}
}