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home/lmsyaran/public_html/libraries/vendor/symfony/yaml/Escaper.php000064400000007550151156413040021645
0ustar00<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Yaml;
/**
* Escaper encapsulates escaping rules for single and double-quoted
* YAML strings.
*
* @author Matthew Lewinski <matthew@lewinski.org>
*
* @internal
*/
class Escaper
{
// Characters that would cause a dumped string to require double
quoting.
const REGEX_CHARACTER_TO_ESCAPE =
"[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";
// Mapping arrays for escaping a double quoted string. The backslash is
// first to ensure proper escaping because str_replace operates
iteratively
// on the input arrays. This ordering of the characters avoids the use
of strtr,
// which performs more slowly.
private static $escapees = array('\\', '\\\\',
'\\"', '"',
"\x00", "\x01",
"\x02", "\x03", "\x04", "\x05",
"\x06", "\x07",
"\x08", "\x09",
"\x0a", "\x0b", "\x0c", "\x0d",
"\x0e", "\x0f",
"\x10", "\x11",
"\x12", "\x13", "\x14", "\x15",
"\x16", "\x17",
"\x18", "\x19",
"\x1a", "\x1b", "\x1c", "\x1d",
"\x1e", "\x1f",
"\xc2\x85",
"\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9",
);
private static $escaped = array('\\\\', '\\"',
'\\\\', '\\"',
'\\0', '\\x01',
'\\x02', '\\x03', '\\x04', '\\x05',
'\\x06', '\\a',
'\\b', '\\t',
'\\n', '\\v', '\\f', '\\r',
'\\x0e', '\\x0f',
'\\x10', '\\x11',
'\\x12', '\\x13', '\\x14', '\\x15',
'\\x16', '\\x17',
'\\x18', '\\x19',
'\\x1a', '\\e', '\\x1c', '\\x1d',
'\\x1e', '\\x1f',
'\\N', '\\_',
'\\L', '\\P',
);
/**
* Determines if a PHP value would require double quoting in YAML.
*
* @param string $value A PHP value
*
* @return bool True if the value would require double quotes
*/
public static function requiresDoubleQuoting($value)
{
return 0 <
preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u',
$value);
}
/**
* Escapes and surrounds a PHP value with double quotes.
*
* @param string $value A PHP value
*
* @return string The quoted, escaped string
*/
public static function escapeWithDoubleQuotes($value)
{
return sprintf('"%s"',
str_replace(self::$escapees, self::$escaped, $value));
}
/**
* Determines if a PHP value would require single quoting in YAML.
*
* @param string $value A PHP value
*
* @return bool True if the value would require single quotes
*/
public static function requiresSingleQuoting($value)
{
// Determines if a PHP value is entirely composed of a value that
would
// require single quoting in YAML.
if (\in_array(strtolower($value), array('null',
'~', 'true', 'false', 'y',
'n', 'yes', 'no', 'on',
'off'))) {
return true;
}
// Determines if the PHP value contains any single characters that
would
// cause it to require single quoting in YAML.
return 0 < preg_match('/[ \s \' " \: \{ \} \[ \]
, & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value);
}
/**
* Escapes and surrounds a PHP value with single quotes.
*
* @param string $value A PHP value
*
* @return string The quoted, escaped string
*/
public static function escapeWithSingleQuotes($value)
{
return sprintf("'%s'",
str_replace('\'', '\'\'', $value));
}
}
home/lmsyaran/public_html/j3/libraries/vendor/symfony/yaml/Escaper.php000064400000007550151161113570022162
0ustar00<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Yaml;
/**
* Escaper encapsulates escaping rules for single and double-quoted
* YAML strings.
*
* @author Matthew Lewinski <matthew@lewinski.org>
*
* @internal
*/
class Escaper
{
// Characters that would cause a dumped string to require double
quoting.
const REGEX_CHARACTER_TO_ESCAPE =
"[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";
// Mapping arrays for escaping a double quoted string. The backslash is
// first to ensure proper escaping because str_replace operates
iteratively
// on the input arrays. This ordering of the characters avoids the use
of strtr,
// which performs more slowly.
private static $escapees = array('\\', '\\\\',
'\\"', '"',
"\x00", "\x01",
"\x02", "\x03", "\x04", "\x05",
"\x06", "\x07",
"\x08", "\x09",
"\x0a", "\x0b", "\x0c", "\x0d",
"\x0e", "\x0f",
"\x10", "\x11",
"\x12", "\x13", "\x14", "\x15",
"\x16", "\x17",
"\x18", "\x19",
"\x1a", "\x1b", "\x1c", "\x1d",
"\x1e", "\x1f",
"\xc2\x85",
"\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9",
);
private static $escaped = array('\\\\', '\\"',
'\\\\', '\\"',
'\\0', '\\x01',
'\\x02', '\\x03', '\\x04', '\\x05',
'\\x06', '\\a',
'\\b', '\\t',
'\\n', '\\v', '\\f', '\\r',
'\\x0e', '\\x0f',
'\\x10', '\\x11',
'\\x12', '\\x13', '\\x14', '\\x15',
'\\x16', '\\x17',
'\\x18', '\\x19',
'\\x1a', '\\e', '\\x1c', '\\x1d',
'\\x1e', '\\x1f',
'\\N', '\\_',
'\\L', '\\P',
);
/**
* Determines if a PHP value would require double quoting in YAML.
*
* @param string $value A PHP value
*
* @return bool True if the value would require double quotes
*/
public static function requiresDoubleQuoting($value)
{
return 0 <
preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u',
$value);
}
/**
* Escapes and surrounds a PHP value with double quotes.
*
* @param string $value A PHP value
*
* @return string The quoted, escaped string
*/
public static function escapeWithDoubleQuotes($value)
{
return sprintf('"%s"',
str_replace(self::$escapees, self::$escaped, $value));
}
/**
* Determines if a PHP value would require single quoting in YAML.
*
* @param string $value A PHP value
*
* @return bool True if the value would require single quotes
*/
public static function requiresSingleQuoting($value)
{
// Determines if a PHP value is entirely composed of a value that
would
// require single quoting in YAML.
if (\in_array(strtolower($value), array('null',
'~', 'true', 'false', 'y',
'n', 'yes', 'no', 'on',
'off'))) {
return true;
}
// Determines if the PHP value contains any single characters that
would
// cause it to require single quoting in YAML.
return 0 < preg_match('/[ \s \' " \: \{ \} \[ \]
, & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value);
}
/**
* Escapes and surrounds a PHP value with single quotes.
*
* @param string $value A PHP value
*
* @return string The quoted, escaped string
*/
public static function escapeWithSingleQuotes($value)
{
return sprintf("'%s'",
str_replace('\'', '\'\'', $value));
}
}