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<?php |
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namespace Gettext\Extractors; |
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use Gettext\Translations; |
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use Gettext\Utils\PhpFunctionsScanner; |
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/** |
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* Class to get gettext strings from php files returning arrays. |
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*/ |
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class PhpCode extends Extractor implements ExtractorInterface |
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{ |
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public static $options = [ |
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// - false: to not extract comments |
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// - empty string: to extract all comments |
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// - non-empty string: to extract comments that start with that string |
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// - array with strings to extract comments format. |
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'extractComments' => false, |
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'constants' => [], |
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'functions' => [ |
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'gettext' => 'gettext', |
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'__' => 'gettext', |
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'ngettext' => 'ngettext', |
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'n__' => 'ngettext', |
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'pgettext' => 'pgettext', |
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'p__' => 'pgettext', |
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'dgettext' => 'dgettext', |
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'd__' => 'dgettext', |
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'dngettext' => 'dngettext', |
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'dn__' => 'dngettext', |
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'dpgettext' => 'dpgettext', |
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'dp__' => 'dpgettext', |
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'npgettext' => 'npgettext', |
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'np__' => 'npgettext', |
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'dnpgettext' => 'dnpgettext', |
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'dnp__' => 'dnpgettext', |
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'noop' => 'noop', |
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'noop__' => 'noop', |
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], |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function fromString($string, Translations $translations, array $options = []) |
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{ |
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$options += static::$options; |
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$functions = new PhpFunctionsScanner($string); |
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if ($options['extractComments'] !== false) { |
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$functions->enableCommentsExtraction($options['extractComments']); |
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} |
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$functions->saveGettextFunctions($translations, $options); |
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} |
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/** |
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* Decodes a T_CONSTANT_ENCAPSED_STRING string. |
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* |
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* @param string $value |
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* |
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* @return string |
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*/ |
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public static function convertString($value) |
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{ |
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if (strpos($value, '\\') === false) { |
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return substr($value, 1, -1); |
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} |
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if ($value[0] === "'") { |
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return strtr(substr($value, 1, -1), ['\\\\' => '\\', '\\\'' => '\'']); |
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} |
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$value = substr($value, 1, -1); |
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return preg_replace_callback( |
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'/\\\(n|r|t|v|e|f|\$|"|\\\|x[0-9A-Fa-f]{1,2}|u{[0-9a-f]{1,6}}|[0-7]{1,3})/', |
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function ($match) { |
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switch ($match[1][0]) { |
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case 'n': |
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return "\n"; |
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case 'r': |
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return "\r"; |
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case 't': |
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return "\t"; |
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case 'v': |
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return "\v"; |
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case 'e': |
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return "\e"; |
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case 'f': |
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return "\f"; |
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case '$': |
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return '$'; |
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case '"': |
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return '"'; |
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case '\\': |
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return '\\'; |
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case 'x': |
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return chr(hexdec(substr($match[0], 1))); |
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case 'u': |
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return self::unicodeChar(hexdec(substr($match[0], 1))); |
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default: |
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return chr(octdec($match[0])); |
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} |
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}, |
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$value |
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); |
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} |
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//http://php.net/manual/en/function.chr.php#118804 |
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private static function unicodeChar($dec) |
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{ |
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if ($dec < 0x80) { |
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return chr($dec); |
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} |
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if ($dec < 0x0800) { |
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return chr(0xC0 + ($dec >> 6)) |
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.chr(0x80 + ($dec & 0x3f)); |
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} |
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if ($dec < 0x010000) { |
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return chr(0xE0 + ($dec >> 12)) |
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.chr(0x80 + (($dec >> 6) & 0x3f)) |
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.chr(0x80 + ($dec & 0x3f)); |
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} |
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if ($dec < 0x200000) { |
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return chr(0xF0 + ($dec >> 18)) |
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.chr(0x80 + (($dec >> 12) & 0x3f)) |
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.chr(0x80 + (($dec >> 6) & 0x3f)) |
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.chr(0x80 + ($dec & 0x3f)); |
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} |
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} |
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} |
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oscarotero /
Gettext
