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format-strings.php
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format-strings.php
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<?php
/**
* GlotPress Format Mac OSX / iOS Strings Translate class
*
* @since 1.0.0
*
* @package GlotPress
*/
/**
* Format class used to support Mac OS X / iOS Translate strings file format.
*
* @since 1.0.0
*/
class GP_Format_Strings extends GP_Format {
/**
* Name of file format, used in file format dropdowns.
*
* @since 1.0.0
*
* @var string
*/
public $name = 'Mac OS X / iOS Strings File (.strings)';
/**
* File extension of the file format, used to autodetect formats and when creating the output file names.
*
* @since 1.0.0
*
* @var string
*/
public $extension = 'strings';
/**
* Generates a string the contains the $entries to export in the strings file format.
*
* @since 1.0.0
*
* @param GP_Project $project The project the strings are being exported for, not used
* in this format but part of the scaffold of the parent object.
* @param GP_Locale $locale The locale object the strings are being exported for. not used
* in this format but part of the scaffold of the parent object.
* @param GP_Translation_Set $translation_set The locale object the strings are being
* exported for. not used in this format but part
* of the scaffold of the parent object.
* @param GP_Translation $entries The entries to export.
* @return string The exported strings string.
*/
public function print_exported_file( $project, $locale, $translation_set, $entries ) {
$result = '';
$result .= '/* Translation-Revision-Date: ' . GP::$translation->last_modified( $translation_set ) . "+0000 */\n";
$result .= "/* Plural-Forms: nplurals={$locale->nplurals}; plural={$locale->plural_expression}; */\n";
$result .= '/* Generator: GlotPress/' . GP_VERSION . " */\n";
$language_code = $this->get_language_code( $locale );
if ( false !== $language_code ) {
$result .= '/* Language: ' . $language_code . " */\n";
}
$result .= "\n";
$sorted_entries = $entries;
usort( $sorted_entries, array( 'GP_Format_Strings', 'sort_entries' ) );
foreach ( $sorted_entries as $entry ) {
$entry->context = $this->escape( $entry->context );
$translation = empty( $entry->translations ) ? $entry->context : $this->escape( $entry->translations[0] );
$original = str_replace( "\n", "\\n", $entry->context );
$translation = str_replace( "\n", "\\n", $translation );
$comment = preg_replace( "/(^\s+)|(\s+$)/us", "", $entry->extracted_comments );
if ( $comment == "" ) {
$comment = "No comment provided by engineer.";
}
$result .= "/* $comment */\n\"$original\" = \"$translation\";\n\n";
}
return $result;
}
/**
* Reads a set of original strings from a strings file.
*
* @since 1.0.0
*
* @param string $file_name The name of the uploaded strings file.
* @return Translations|bool The extracted originals on success, false on failure.
*/
public function read_originals_from_file( $file_name ) {
$entries = new Translations;
$file = file_get_contents( $file_name );
if ( false === $file ) {
return false;
}
$context = $comment = null;
$lines = explode( "\n", $file );
foreach ( $lines as $line ) {
if ( is_null( $context ) ) {
if ( preg_match( '/^\/\*\s*(.*)\s*\*\/$/', $line, $matches ) ) {
$matches[1] = trim( $matches[1] );
if ( $matches[1] !== "No comment provided by engineer." ) {
$comment = $matches[1];
} else {
$comment = null;
}
} else if ( preg_match( '/^"(.*)" = "(.*)";$/', $line, $matches ) ) {
$entry = new Translation_Entry();
$entry->context = $this->unescape( $matches[1] );
$entry->singular = $this->unescape( $matches[2] );
if ( ! is_null( $comment )) {
$entry->extracted_comments = $comment;
$comment = null;
}
$entry->translations = array();
$entries->add_entry( $entry );
}
}
}
return $entries;
}
/**
* Sorts the translation entries based on the context attribute.
*
* @since 1.0.0
*
* @param string $a First string to compare.
* @param string $b Second string to compare.
* @return int +1 or -1 based on the order to sort.
*/
private function sort_entries( $a, $b ) {
if ( $a->context == $b->context ) {
return 0;
}
return ( $a->context > $b->context ) ? +1 : -1;
}
/**
* Strips any escaping from a string.
*
* @since 1.0.0
*
* @param string $string The string to strip escapes from.
* @return string The unescaped string.
*/
private function unescape( $string ) {
return stripcslashes( $string );
}
/**
* Adds escaping to a string.
*
* @since 1.0.0
*
* @param string $string The string to add escapes to.
* @return string The escaped string.
*/
private function escape( $string ) {
return addcslashes( $string, '"\\/' );
}
}
GP::$formats['strings'] = new GP_Format_Strings;