/**
* Parses a YAML value
*
* @param string $value A YAML value
* @param string $context The parser context (either sequence or mapping)
*
* @throws ParseException When reference does not exist
* @return mixed A PHP value
*/
protected function parseValue($value, $context)
{
if (strpos($value, "*") === 0) {
if (($pos = strpos($value, "#")) !== false) {
$value = substr($value, 1, $pos - 2);
} else {
$value = substr($value, 1);
}
if (!array_key_exists($value, $this->refs)) {
throw new ParseException(sprintf("Reference \"%s\" does not exist.", $value), $this->currentLine);
}
return $this->refs[$value];
}
if (preg_match("/^" . self::BLOCK_SCALAR_HEADER_PATTERN . "\$/", $value, $matches)) {
$modifiers = isset($matches["modifiers"]) ? $matches["modifiers"] : "";
return $this->parseBlockScalar($matches["separator"], preg_replace("#\\d+#", "", $modifiers), (int) abs($modifiers));
}
try {
$parsedValue = Inline::parse($value, $this->refs);
if ($context === "mapping" && $value[0] !== "\"" && $value[0] !== "'" && $value[0] !== "[" && $value[0] !== "{" && $value[0] !== "!" && strpos($parsedValue, ": ") !== false) {
throw new ParseException("A colon cannot be used in an unquoted mapping value.");
}
return $parsedValue;
} catch (ParseException $e) {
$e->setParsedLine($this->getRealCurrentLineNb() + 1);
$e->setSnippet($this->currentLine);
throw $e;
}
}
public function testParseUnquotedScalarStartingWithScalarIndicator($indicator)
{
$this->expectException("Scabbia\\Yaml\\ParseException");
Inline::parse('{ foo: |foo }');
$this->expectException("Scabbia\\Yaml\\ParseException");
Inline::parse('{ foo: >foo }');
}
/**
* Dumps a given PHP variable to a YAML string
*
* @param mixed $value The PHP variable to convert
*
* @return string The YAML string representing the PHP array
*/
public static function dumpInline($value)
{
if (is_resource($value)) {
return "null";
} elseif (is_object($value)) {
return "!!php/object:" . serialize($value);
} elseif (is_array($value)) {
return self::dumpInlineArray($value);
} elseif ($value === null) {
return "null";
} elseif ($value === true) {
return "true";
} elseif ($value === false) {
return "false";
} elseif (ctype_digit($value)) {
return is_string($value) ? "\"{$value}\"" : (int) $value;
} elseif (is_numeric($value)) {
$locale = setlocale(LC_NUMERIC, 0);
if ($locale !== false) {
setlocale(LC_NUMERIC, "C");
}
if (is_float($value)) {
$repr = (string) $value;
if (is_infinite($value)) {
$repr = str_ireplace("INF", ".Inf", $repr);
} elseif (floor($value) == $value && $repr == $value) {
// Preserve float data type since storing a whole number will result in integer value.
$repr = "!!float {$repr}";
}
} elseif (is_string($value)) {
$repr = "'{$value}'";
} else {
$repr = (string) $value;
}
if ($locale !== false) {
setlocale(LC_NUMERIC, $locale);
}
return $repr;
} elseif ($value === "") {
return "''";
} elseif (strstr($value, "\n") !== false) {
return "|\n " . preg_replace("/\\n/", "\n ", $value);
} elseif (Escaper::requiresDoubleQuoting($value)) {
return Escaper::escapeWithDoubleQuotes($value);
} elseif (Escaper::requiresSingleQuoting($value) || preg_match(Inline::getHexRegex(), $value) || preg_match(Inline::getTimestampRegex(), $value)) {
return Escaper::escapeWithSingleQuotes($value);
} else {
return $value;
}
}
