@ -8,7 +8,7 @@
* file that was distributed with this source code.
*/
require_once dirname(__FILE__).'/sfYaml.php';
require_once dirname(__FILE__) . '/sfYaml.php';
/**
* sfYamlInline implements a YAML parser/dumper for the YAML inline syntax.
@ -29,39 +29,34 @@ class sfYamlInline
*
* @return array A PHP array representing the YAML string
*/
static public function load($value)
{
$value = trim($value);
if (0 == strlen($value))
{
return '';
}
if (function_exists('mb_internal_encoding') & & ((int) ini_get('mbstring.func_overload')) & 2)
{
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('ASCII');
}
switch ($value[0])
{
case '[':
$result = self::parseSequence($value);
break;
case '{':
$result = self::parseMapping($value);
break;
default:
$result = self::parseScalar($value);
}
if (isset($mbEncoding))
{
mb_internal_encoding($mbEncoding);
}
return $result;
public static function load($value) {
$value = trim($value);
if (0 == strlen($value)) {
return '';
}
if (function_exists('mb_internal_encoding') & & ((int) ini_get('mbstring.func_overload')) & 2) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('ASCII');
}
switch ($value[0]) {
case '[':
$result = self::parseSequence($value);
break;
case '{':
$result = self::parseMapping($value);
break;
default:
$result = self::parseScalar($value);
}
if (isset($mbEncoding)) {
mb_internal_encoding($mbEncoding);
}
return $result;
}
/**
@ -71,54 +66,50 @@ class sfYamlInline
*
* @return string The YAML string representing the PHP array
*/
static public function dump($value)
{
if ('1.1' === sfYaml::getSpecVersion())
{
$trueValues = array('true', 'on', '+', 'yes', 'y');
$falseValues = array('false', 'off', '-', 'no', 'n');
}
else
{
$trueValues = array('true');
$falseValues = array('false');
}
switch (true)
{
case is_resource($value):
throw new InvalidArgumentException('Unable to dump PHP resources in a YAML file.');
case is_object($value):
return '!!php/object:'.serialize($value);
case is_array($value):
return self::dumpArray($value);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'$value'" : (int) $value;
case is_numeric($value):
return is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : (is_string($value) ? "'$value'" : $value);
case false !== strpos($value, "\n") || false !== strpos($value, "\r"):
return sprintf('"%s"', str_replace(array('"', "\n", "\r"), array('\\"', '\n', '\r'), $value));
case preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ - ? | < > = ! % @ ` ]/x', $value):
return sprintf("'%s'", str_replace('\'', '\'\'', $value));
case '' == $value:
return "''";
case preg_match(self::getTimestampRegex(), $value):
return "'$value'";
case in_array(strtolower($value), $trueValues):
return "'$value'";
case in_array(strtolower($value), $falseValues):
return "'$value'";
case in_array(strtolower($value), array('null', '~')):
return "'$value'";
default:
return $value;
}
public static function dump($value) {
if ('1.1' === sfYaml::getSpecVersion()) {
$trueValues = ['true', 'on', '+', 'yes', 'y'];
$falseValues = ['false', 'off', '-', 'no', 'n'];
}
else {
$trueValues = ['true'];
$falseValues = ['false'];
}
switch (true) {
case is_resource($value):
throw new InvalidArgumentException('Unable to dump PHP resources in a YAML file.');
case is_object($value):
return '!!php/object:' . serialize($value);
case is_array($value):
return self::dumpArray($value);
case null === $value:
return 'null';
case true === $value:
return 'true';
case false === $value:
return 'false';
case ctype_digit($value):
return is_string($value) ? "'$value'" : (int) $value;
case is_numeric($value):
return is_infinite($value) ? str_ireplace('INF', '.Inf', strval($value)) : (is_string($value) ? "'$value'" : $value);
case false !== strpos($value, "\n") || false !== strpos($value, "\r"):
return sprintf('"%s"', str_replace(['"', "\n", "\r"], ['\\"', '\n', '\r'], $value));
case preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ - ? | < > = ! % @ ` ]/x', $value):
return sprintf("'%s'", str_replace('\'', '\'\'', $value));
case '' == $value:
return "''";
case preg_match(self::getTimestampRegex(), $value):
return "'$value'";
case in_array(strtolower($value), $trueValues):
return "'$value'";
case in_array(strtolower($value), $falseValues):
return "'$value'";
case in_array(strtolower($value), ['null', '~']):
return "'$value'";
default:
return $value;
}
}
/**
@ -128,32 +119,31 @@ class sfYamlInline
*
* @return string The YAML string representing the PHP array
*/
static protected function dumpArray($value)
{
// array
$keys = array_keys($value);
if (
(1 == count($keys) & & '0' == $keys[0])
||
(count($keys) > 1 & & array_reduce($keys, function($v,$w) { return (integer) $v + (integer) $w;}, 0) == count($keys) * (count($keys) - 1) / 2))
{
$output = array();
foreach ($value as $val)
{
$output[] = self::dump($val);
}
return sprintf('[%s]', implode(', ', $output));
}
// mapping
$output = array();
foreach ($value as $key => $val)
{
$output[] = sprintf('%s: %s', self::dump($key), self::dump($val));
}
return sprintf('{ %s }', implode(', ', $output));
protected static function dumpArray($value) {
// array
$keys = array_keys($value);
if (
(1 == count($keys) & & '0' == $keys[0])
||
(count($keys) > 1 & & array_reduce($keys, function ($v, $w) {
return (int) $v + (int) $w;
}, 0) == count($keys) * (count($keys) - 1) / 2)
) {
$output = [];
foreach ($value as $val) {
$output[] = self::dump($val);
}
return sprintf('[%s]', implode(', ', $output));
}
// mapping
$output = [];
foreach ($value as $key => $val) {
$output[] = sprintf('%s: %s', self::dump($key), self::dump($val));
}
return sprintf('{ %s }', implode(', ', $output));
}
/**
@ -167,41 +157,34 @@ class sfYamlInline
*
* @return string A YAML string
*/
static public function parseScalar($scalar, $delimiters = null, $stringDelimiters = array('"', "'"), & $i = 0, $evaluate = true)
{
if (in_array($scalar[$i], $stringDelimiters))
{
// quoted scalar
$output = self::parseQuotedScalar($scalar, $i);
}
else
{
// "normal" string
if (!$delimiters)
{
$output = substr($scalar, $i);
$i += strlen($output);
// remove comments
if (false !== $strpos = strpos($output, ' #'))
{
$output = rtrim(substr($output, 0, $strpos));
}
}
else if (preg_match('/^(.+?)('.implode('|', $delimiters).')/', substr($scalar, $i), $match))
{
$output = $match[1];
$i += strlen($output);
}
else
{
throw new InvalidArgumentException(sprintf('Malformed inline YAML string (%s).', $scalar));
}
$output = $evaluate ? self::evaluateScalar($output) : $output;
}
return $output;
public static function parseScalar($scalar, $delimiters = null, $stringDelimiters = ['"', "'"], & $i = 0, $evaluate = true) {
if (in_array($scalar[$i], $stringDelimiters)) {
// quoted scalar
$output = self::parseQuotedScalar($scalar, $i);
}
else {
// "normal" string
if (!$delimiters) {
$output = substr($scalar, $i);
$i += strlen($output);
// remove comments
if (false !== $strpos = strpos($output, ' #')) {
$output = rtrim(substr($output, 0, $strpos));
}
}
elseif (preg_match('/^(.+?)(' . implode('|', $delimiters) . ')/', substr($scalar, $i), $match)) {
$output = $match[1];
$i += strlen($output);
}
else {
throw new InvalidArgumentException(sprintf('Malformed inline YAML string (%s).', $scalar));
}
$output = $evaluate ? self::evaluateScalar($output) : $output;
}
return $output;
}
/**
@ -212,32 +195,30 @@ class sfYamlInline
*
* @return string A YAML string
*/
static protected function parseQuotedScalar($scalar, & $i)
{
if (!preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match))
{
throw new InvalidArgumentException(sprintf('Malformed inline YAML string (%s).', substr($scalar, $i)));
}
$output = substr($match[0], 1, strlen($match[0]) - 2);
if ('"' == $scalar[$i])
{
// evaluate the string
$output = str_replace(array('\\"', '\\n', '\\r'), array('"', "\n", "\r"), $output);
if (strpos($output,'\\x')!==false){
$output = preg_replace_callback(',\\\\x([0-9a-f]+),', function($m) {return chr(hexdec($m[1]));}, $output);
protected static function parseQuotedScalar($scalar, & $i) {
if (!preg_match('/' . self::REGEX_QUOTED_STRING . '/Au', substr($scalar, $i), $match)) {
throw new InvalidArgumentException(sprintf('Malformed inline YAML string (%s).', substr($scalar, $i)));
}
$output = substr($match[0], 1, strlen($match[0]) - 2);
if ('"' == $scalar[$i]) {
// evaluate the string
$output = str_replace(['\\"', '\\n', '\\r'], ['"', "\n", "\r"], $output);
if (strpos($output, '\\x') !== false) {
$output = preg_replace_callback(',\\\\x([0-9a-f]+),', function ($m) {
return chr(hexdec($m[1]));
}, $output);
}
}
else
{
// unescape '
$output = str_replace('\'\'', '\'', $output);
}
}
else {
// unescape '
$output = str_replace('\'\'', '\'', $output);
}
$i += strlen($match[0]);
$i += strlen($match[0]);
return $output;
return $output;
}
/**
@ -248,56 +229,50 @@ class sfYamlInline
*
* @return string A YAML string
*/
static protected function parseSequence($sequence, & $i = 0)
{
$output = array();
$len = strlen($sequence);
$i += 1;
// [foo, bar, ...]
while ($i < $len)
{
switch ($sequence[$i])
{
case '[':
// nested sequence
$output[] = self::parseSequence($sequence, $i);
break;
case '{':
// nested mapping
$output[] = self::parseMapping($sequence, $i);
break;
case ']':
return $output;
case ',':
case ' ':
break;
default:
$isQuoted = in_array($sequence[$i], array('"', "'"));
$value = self::parseScalar($sequence, array(',', ']'), array('"', "'"), $i);
if (!$isQuoted & & false !== strpos($value, ': '))
{
// embedded mapping?
try
{
$value = self::parseMapping('{'.$value.'}');
}
catch (InvalidArgumentException $e)
{
// no, it's not
}
}
$output[] = $value;
--$i;
}
++$i;
}
throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $sequence));
protected static function parseSequence($sequence, & $i = 0) {
$output = [];
$len = strlen($sequence);
$i += 1;
// [foo, bar, ...]
while ($i < $len) {
switch ($sequence[$i]) {
case '[':
// nested sequence
$output[] = self::parseSequence($sequence, $i);
break;
case '{':
// nested mapping
$output[] = self::parseMapping($sequence, $i);
break;
case ']':
return $output;
case ',':
case ' ':
break;
default:
$isQuoted = in_array($sequence[$i], ['"', "'"]);
$value = self::parseScalar($sequence, [',', ']'], ['"', "'"], $i);
if (!$isQuoted & & false !== strpos($value, ': ')) {
// embedded mapping?
try {
$value = self::parseMapping('{' . $value . '}');
}
catch (InvalidArgumentException $e) {
// no, it's not
}
}
$output[] = $value;
--$i;
}
++$i;
}
throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $sequence));
}
/**
@ -308,63 +283,57 @@ class sfYamlInline
*
* @return string A YAML string
*/
static protected function parseMapping($mapping, & $i = 0)
{
$output = array();
$len = strlen($mapping);
$i += 1;
// {foo: bar, bar:foo, ...}
while ($i < $len)
{
switch ($mapping[$i])
{
case ' ':
case ',':
++$i;
continue 2;
case '}':
return $output;
}
// key
$key = self::parseScalar($mapping, array(':', ' '), array('"', "'"), $i, false);
// value
$done = false;
while ($i < $len)
{
switch ($mapping[$i])
{
case '[':
// nested sequence
$output[$key] = self::parseSequence($mapping, $i);
$done = true;
break;
case '{':
// nested mapping
$output[$key] = self::parseMapping($mapping, $i);
$done = true;
break;
case ':':
case ' ':
break;
default:
$output[$key] = self::parseScalar($mapping, array(',', '}'), array('"', "'"), $i);
$done = true;
--$i;
}
++$i;
if ($done)
{
continue 2;
}
}
}
throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $mapping));
protected static function parseMapping($mapping, & $i = 0) {
$output = [];
$len = strlen($mapping);
$i += 1;
// {foo: bar, bar:foo, ...}
while ($i < $len) {
switch ($mapping[$i]) {
case ' ':
case ',':
++$i;
continue 2;
case '}':
return $output;
}
// key
$key = self::parseScalar($mapping, [':', ' '], ['"', "'"], $i, false);
// value
$done = false;
while ($i < $len) {
switch ($mapping[$i]) {
case '[':
// nested sequence
$output[$key] = self::parseSequence($mapping, $i);
$done = true;
break;
case '{':
// nested mapping
$output[$key] = self::parseMapping($mapping, $i);
$done = true;
break;
case ':':
case ' ':
break;
default:
$output[$key] = self::parseScalar($mapping, [',', '}'], ['"', "'"], $i);
$done = true;
--$i;
}
++$i;
if ($done) {
continue 2;
}
}
}
throw new InvalidArgumentException(sprintf('Malformed inline YAML string %s', $mapping));
}
/**
@ -374,60 +343,55 @@ class sfYamlInline
*
* @return string A YAML string
*/
static protected function evaluateScalar($scalar)
{
$scalar = trim($scalar);
if ('1.1' === sfYaml::getSpecVersion())
{
$trueValues = array('true', 'on', '+', 'yes', 'y');
$falseValues = array('false', 'off', '-', 'no', 'n');
}
else
{
$trueValues = array('true');
$falseValues = array('false');
}
switch (true)
{
case 'null' == strtolower($scalar):
case '' == $scalar:
case '~' == $scalar:
return null;
case 0 === strpos($scalar, '!str'):
return (string) substr($scalar, 5);
case 0 === strpos($scalar, '! '):
return intval(self::parseScalar(substr($scalar, 2)));
case 0 === strpos($scalar, '!!php/object:'):
return unserialize(substr($scalar, 13));
case ctype_digit($scalar):
$raw = $scalar;
$cast = intval($scalar);
return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw);
case in_array(strtolower($scalar), $trueValues):
return true;
case in_array(strtolower($scalar), $falseValues):
return false;
case is_numeric($scalar):
return '0x' == $scalar[0].$scalar[1] ? hexdec($scalar) : floatval($scalar);
case 0 == strcasecmp($scalar, '.inf'):
case 0 == strcasecmp($scalar, '.NaN'):
return -log(0);
case 0 == strcasecmp($scalar, '-.inf'):
return log(0);
case preg_match('/^(-|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar):
return floatval(str_replace(',', '', $scalar));
case preg_match(self::getTimestampRegex(), $scalar):
return strtotime($scalar);
default:
return (string) $scalar;
}
protected static function evaluateScalar($scalar) {
$scalar = trim($scalar);
if ('1.1' === sfYaml::getSpecVersion()) {
$trueValues = ['true', 'on', '+', 'yes', 'y'];
$falseValues = ['false', 'off', '-', 'no', 'n'];
}
else {
$trueValues = ['true'];
$falseValues = ['false'];
}
switch (true) {
case 'null' == strtolower($scalar):
case '' == $scalar:
case '~' == $scalar:
return null;
case 0 === strpos($scalar, '!str'):
return (string) substr($scalar, 5);
case 0 === strpos($scalar, '! '):
return intval(self::parseScalar(substr($scalar, 2)));
case 0 === strpos($scalar, '!!php/object:'):
return unserialize(substr($scalar, 13));
case ctype_digit($scalar):
$raw = $scalar;
$cast = intval($scalar);
return '0' == $scalar[0] ? octdec($scalar) : (((string) $raw == (string) $cast) ? $cast : $raw);
case in_array(strtolower($scalar), $trueValues):
return true;
case in_array(strtolower($scalar), $falseValues):
return false;
case is_numeric($scalar):
return '0x' == $scalar[0] . $scalar[1] ? hexdec($scalar) : floatval($scalar);
case 0 == strcasecmp($scalar, '.inf'):
case 0 == strcasecmp($scalar, '.NaN'):
return -log(0);
case 0 == strcasecmp($scalar, '-.inf'):
return log(0);
case preg_match('/^(-|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar):
return floatval(str_replace(',', '', $scalar));
case preg_match(self::getTimestampRegex(), $scalar):
return strtotime($scalar);
default:
return (string) $scalar;
}
}
static protected function getTimestampRegex()
{
return < < < EOF
protected static function getTimestampRegex() {
return < < < EOF
~^
(?P< year > [0-9][0-9][0-9][0-9])
-(?P< month > [0-9][0-9]?)
