<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2022 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\RendererGenerators\PHP\XPathConvertor\Convertors;
class SingleByteStringFunctions extends AbstractConvertor
{
/**
* {@inheritdoc}
*/
public function getMatchers(): array
{
$groups = 'Boolean:BooleanFunction:';
return [
$groups . 'Contains' => 'contains \\( ((?&String)) , ((?&String)) \\)',
$groups . 'EndsWith' => 'ends-with \\( ((?&String)) , ((?&String)) \\)',
$groups . 'NotContains' => 'not \\( contains \\( ((?&String)) , ((?&String)) \\) \\)',
$groups . 'NotEndsWith' => 'not \\( ends-with \\( ((?&String)) , ((?&String)) \\) \\)',
$groups . 'NotStartsWith' => 'not \\( starts-with \\( ((?&String)) , ((?&String)) \\) \\)',
$groups . 'StartsWith' => 'starts-with \\( ((?&String)) , ((?&String)) \\)',
'Number:StringLength' => 'string-length \\( ((?&String))? \\)'
];
}
/**
* Convert a call to contains()
*
* @param string $haystack Expression for the haystack part of the call
* @param string $needle Expression for the needle part of the call
* @return string
*/
public function parseContains($haystack, $needle)
{
return $this->generateContains($haystack, $needle, true);
}
/**
* Convert a call to ends-with()
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @return string
*/
public function parseEndsWith($string, $substring)
{
return $this->generateEndsWith($string, $substring, true);
}
/**
* Convert a call to not(contains())
*
* @param string $haystack Expression for the haystack part of the call
* @param string $needle Expression for the needle part of the call
* @return string
*/
public function parseNotContains($haystack, $needle)
{
return $this->generateContains($haystack, $needle, false);
}
/**
* Convert a call to not(ends-with())
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @return string
*/
public function parseNotEndsWith($string, $substring)
{
return $this->generateEndsWith($string, $substring, false);
}
/**
* Convert a call to not(starts-with())
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @return string
*/
public function parseNotStartsWith($string, $substring)
{
return $this->generateStartsWith($string, $substring, false);
}
/**
* Convert a call to starts-with()
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @return string
*/
public function parseStartsWith($string, $substring)
{
return $this->generateStartsWith($string, $substring, true);
}
/**
* Convert a call to string-length()
*
* @param string $expr
* @return string
*/
public function parseStringLength($expr = '.')
{
return "preg_match_all('(.)su'," . $this->recurse($expr) . ')';
}
/**
* Generate the code for a call to contains()
*
* @param string $haystack Expression for the haystack part of the call
* @param string $needle Expression for the needle part of the call
* @param bool $bool Return value for a positive match
* @return string
*/
protected function generateContains($haystack, $needle, $bool)
{
$operator = ($bool) ? '!==' : '===';
return '(strpos(' . $this->recurse($haystack) . ',' . $this->recurse($needle) . ')' . $operator . 'false)';
}
/**
* Generate the code for a call to ends-with()
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @param bool $bool Return value for a positive match
* @return string
*/
protected function generateEndsWith($string, $substring, $bool)
{
return (preg_match('(^(?:\'[^\']+\'|"[^"]+")$)D', $substring))
? $this->generateEndsWithLiteral($string, $substring, $bool)
: $this->generateEndsWithExpression($string, $substring, $bool);
}
/**
* Generate the code for a call to ends-with() where the second argument is a literal string
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for a literal substring
* @param bool $bool Return value for a positive match
* @return string
*/
protected function generateEndsWithLiteral($string, $substring, $bool)
{
$operator = ($bool) ? '===' : '!==';
return '(substr(' . $this->recurse($string) . ',-' . (strlen($substring) - 2) . ')' . $operator . $this->recurse($substring) . ')';
}
/**
* Generate the code for a call to ends-with()
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @param bool $bool Return value for a positive match
* @return string
*/
protected function generateEndsWithExpression($string, $substring, $bool)
{
$operator = ($bool) ? '' : '!';
return $operator . "preg_match('('.preg_quote(" . $this->recurse($substring) . ").'$)D'," . $this->recurse($string) . ')';
}
/**
* Generate the code for a call to starts-with()
*
* @param string $string Expression for the string part of the call
* @param string $substring Expression for the substring part of the call
* @param bool $bool Return value for a positive match
* @return string
*/
protected function generateStartsWith($string, $substring, $bool)
{
$operator = ($bool) ? '===' : '!==';
return '(strpos(' . $this->recurse($string) . ',' . $this->recurse($substring) . ')' . $operator . '0)';
}
}