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#923 replace Spyc with Symfony YAML class
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the Symfony package. | ||
| * | ||
| * (c) Fabien Potencier <[email protected]> | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
||
| namespace Symfony\Component\Yaml; | ||
|
|
||
| /** | ||
| * Dumper dumps PHP variables to YAML strings. | ||
| * | ||
| * @author Fabien Potencier <[email protected]> | ||
| */ | ||
| class Dumper | ||
| { | ||
| /** | ||
| * The amount of spaces to use for indentation of nested nodes. | ||
| * | ||
| * @var int | ||
| */ | ||
| protected $indentation = 4; | ||
|
|
||
| /** | ||
| * Sets the indentation. | ||
| * | ||
| * @param int $num The amount of spaces to use for indentation of nested nodes | ||
| */ | ||
| public function setIndentation($num) | ||
| { | ||
| if ($num < 1) { | ||
| throw new \InvalidArgumentException('The indentation must be greater than zero.'); | ||
| } | ||
|
|
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| $this->indentation = (int) $num; | ||
| } | ||
|
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| /** | ||
| * Dumps a PHP value to YAML. | ||
| * | ||
| * @param mixed $input The PHP value | ||
| * @param int $inline The level where you switch to inline YAML | ||
| * @param int $indent The level of indentation (used internally) | ||
| * @param bool $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise | ||
| * @param bool $objectSupport true if object support is enabled, false otherwise | ||
| * | ||
| * @return string The YAML representation of the PHP value | ||
| */ | ||
| public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false) | ||
| { | ||
| $output = ''; | ||
| $prefix = $indent ? str_repeat(' ', $indent) : ''; | ||
|
|
||
| if ($inline <= 0 || !is_array($input) || empty($input)) { | ||
| $output .= $prefix.Inline::dump($input, $exceptionOnInvalidType, $objectSupport); | ||
| } else { | ||
| $isAHash = Inline::isHash($input); | ||
|
|
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| foreach ($input as $key => $value) { | ||
| $willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value); | ||
|
|
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| $output .= sprintf('%s%s%s%s', | ||
| $prefix, | ||
| $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport).':' : '-', | ||
| $willBeInlined ? ' ' : "\n", | ||
| $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport) | ||
| ).($willBeInlined ? "\n" : ''); | ||
| } | ||
| } | ||
|
|
||
| return $output; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the Symfony package. | ||
| * | ||
| * (c) Fabien Potencier <[email protected]> | ||
| * | ||
| * 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 <[email protected]> | ||
| * | ||
| * @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"; | ||
|
|
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| // 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 preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value); | ||
| } | ||
|
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| /** | ||
| * 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)); | ||
| } | ||
|
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| /** | ||
| * 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; | ||
| } | ||
|
|
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| // Determines if the PHP value contains any single characters that would | ||
| // cause it to require single quoting in YAML. | ||
| return preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` ]/x', $value); | ||
| } | ||
|
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| /** | ||
| * 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)); | ||
| } | ||
| } |
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