X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/d3b1ea255664edd2deef17f900a655613d20820d..5964d2279dc52bdfe105f9bfa17e04337d47a3fa:/wp-includes/pomo/mo.php

diff --git a/wp-includes/pomo/mo.php b/wp-includes/pomo/mo.php
index 6055838d..68c0792f 100644
--- a/wp-includes/pomo/mo.php
+++ b/wp-includes/pomo/mo.php
@@ -2,7 +2,7 @@
 /**
  * Class for working with MO files
  *
- * @version $Id: mo.php 33 2009-02-16 09:33:39Z nbachiyski $
+ * @version $Id: mo.php 718 2012-10-31 00:32:02Z nbachiyski $
  * @package pomo
  * @subpackage mo
  */
@@ -10,39 +10,124 @@
 require_once dirname(__FILE__) . '/translations.php';
 require_once dirname(__FILE__) . '/streams.php';
 
-class MO extends Translations {
+if ( !class_exists( 'MO' ) ):
+class MO extends Gettext_Translations {
 
 	var $_nplurals = 2;
 
-	function set_header($header, $value) {
-		parent::set_header($header, $value);
-		if ('Plural-Forms' == $header)
-			$this->_gettext_select_plural_form = $this->_make_gettext_select_plural_form($value);
-	}
-
 	/**
 	 * Fills up with the entries from MO file $filename
 	 *
 	 * @param string $filename MO file to load
 	 */
 	function import_from_file($filename) {
-		$reader = new POMO_CachedIntFileReader($filename);
-		if (isset($reader->error)) {
+		$reader = new POMO_FileReader($filename);
+		if (!$reader->is_resource())
 			return false;
-		}
 		return $this->import_from_reader($reader);
 	}
 
-	function get_byteorder($magic) {
+	function export_to_file($filename) {
+		$fh = fopen($filename, 'wb');
+		if ( !$fh ) return false;
+		$res = $this->export_to_file_handle( $fh );
+		fclose($fh);
+		return $res;
+	}
+
+	function export() {
+		$tmp_fh = fopen("php://temp", 'r+');
+		if ( !$tmp_fh ) return false;
+		$this->export_to_file_handle( $tmp_fh );
+		rewind( $tmp_fh );
+		return stream_get_contents( $tmp_fh );
+	}
+
+	function is_entry_good_for_export( $entry ) {
+		if ( empty( $entry->translations ) ) {
+			return false;
+		}
+
+		if ( !array_filter( $entry->translations ) ) {
+			return false;
+		}
+
+		return true;
+	}
+
+	function export_to_file_handle($fh) {
+		$entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) );
+		ksort($entries);
+		$magic = 0x950412de;
+		$revision = 0;
+		$total = count($entries) + 1; // all the headers are one entry
+		$originals_lenghts_addr = 28;
+		$translations_lenghts_addr = $originals_lenghts_addr + 8 * $total;
+		$size_of_hash = 0;
+		$hash_addr = $translations_lenghts_addr + 8 * $total;
+		$current_addr = $hash_addr;
+		fwrite($fh, pack('V*', $magic, $revision, $total, $originals_lenghts_addr,
+			$translations_lenghts_addr, $size_of_hash, $hash_addr));
+		fseek($fh, $originals_lenghts_addr);
+
+		// headers' msgid is an empty string
+		fwrite($fh, pack('VV', 0, $current_addr));
+		$current_addr++;
+		$originals_table = chr(0);
+
+		foreach($entries as $entry) {
+			$originals_table .= $this->export_original($entry) . chr(0);
+			$length = strlen($this->export_original($entry));
+			fwrite($fh, pack('VV', $length, $current_addr));
+			$current_addr += $length + 1; // account for the NULL byte after
+		}
+
+		$exported_headers = $this->export_headers();
+		fwrite($fh, pack('VV', strlen($exported_headers), $current_addr));
+		$current_addr += strlen($exported_headers) + 1;
+		$translations_table = $exported_headers . chr(0);
+
+		foreach($entries as $entry) {
+			$translations_table .= $this->export_translations($entry) . chr(0);
+			$length = strlen($this->export_translations($entry));
+			fwrite($fh, pack('VV', $length, $current_addr));
+			$current_addr += $length + 1;
+		}
+
+		fwrite($fh, $originals_table);
+		fwrite($fh, $translations_table);
+		return true;
+	}
+
+	function export_original($entry) {
+		//TODO: warnings for control characters
+		$exported = $entry->singular;
+		if ($entry->is_plural) $exported .= chr(0).$entry->plural;
+		if (!is_null($entry->context)) $exported = $entry->context . chr(4) . $exported;
+		return $exported;
+	}
+
+	function export_translations($entry) {
+		//TODO: warnings for control characters
+		return implode(chr(0), $entry->translations);
+	}
+
+	function export_headers() {
+		$exported = '';
+		foreach($this->headers as $header => $value) {
+			$exported.= "$header: $value\n";
+		}
+		return $exported;
+	}
 
+	function get_byteorder($magic) {
 		// The magic is 0x950412de
 
 		// bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
 		$magic_little = (int) - 1794895138;
 		$magic_little_64 = (int) 2500072158;
 		// 0xde120495
-		$magic_big = ((int) - 569244523) && 0xFFFFFFFF;
-
+		$magic_big = ((int) - 569244523) & 0xFFFFFFFF;
 		if ($magic_little == $magic || $magic_little_64 == $magic) {
 			return 'little';
 		} else if ($magic_big == $magic) {
@@ -53,72 +138,111 @@ class MO extends Translations {
 	}
 
 	function import_from_reader($reader) {
-		$reader->setEndian('little');
-		$endian = MO::get_byteorder($reader->readint32());
-		if (false === $endian) {
+		$endian_string = MO::get_byteorder($reader->readint32());
+		if (false === $endian_string) {
 			return false;
 		}
-		$reader->setEndian($endian);
-
-		$revision = $reader->readint32();
-		$total = $reader->readint32();
-		// get addresses of array of lenghts and offsets for original string and translations
-		$originals_lo_addr = $reader->readint32();
-		$translations_lo_addr = $reader->readint32();
-
-		$reader->seekto($originals_lo_addr);
-		$originals_lo = $reader->readint32array($total * 2); // each of
-		$reader->seekto($translations_lo_addr);
-		$translations_lo = $reader->readint32array($total * 2);
-
-		$length = create_function('$i', 'return $i * 2 + 1;');
-		$offset = create_function('$i', 'return $i * 2 + 2;');
-
-		for ($i = 0; $i < $total; ++$i) {
-			$reader->seekto($originals_lo[$offset($i)]);
-			$original = $reader->read($originals_lo[$length($i)]);
-			$reader->seekto($translations_lo[$offset($i)]);
-			$translation = $reader->read($translations_lo[$length($i)]);
-			if ('' == $original) {
+		$reader->setEndian($endian_string);
+
+		$endian = ('big' == $endian_string)? 'N' : 'V';
+
+		$header = $reader->read(24);
+		if ($reader->strlen($header) != 24)
+			return false;
+
+		// parse header
+		$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
+		if (!is_array($header))
+			return false;
+
+		extract( $header );
+
+		// support revision 0 of MO format specs, only
+		if ($revision != 0)
+			return false;
+
+		// seek to data blocks
+		$reader->seekto($originals_lenghts_addr);
+
+		// read originals' indices
+		$originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
+		if ( $originals_lengths_length != $total * 8 )
+			return false;
+
+		$originals = $reader->read($originals_lengths_length);
+		if ( $reader->strlen( $originals ) != $originals_lengths_length )
+			return false;
+
+		// read translations' indices
+		$translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
+		if ( $translations_lenghts_length != $total * 8 )
+			return false;
+
+		$translations = $reader->read($translations_lenghts_length);
+		if ( $reader->strlen( $translations ) != $translations_lenghts_length )
+			return false;
+
+		// transform raw data into set of indices
+		$originals    = $reader->str_split( $originals, 8 );
+		$translations = $reader->str_split( $translations, 8 );
+
+		// skip hash table
+		$strings_addr = $hash_addr + $hash_length * 4;
+
+		$reader->seekto($strings_addr);
+
+		$strings = $reader->read_all();
+		$reader->close();
+
+		for ( $i = 0; $i < $total; $i++ ) {
+			$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
+			$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
+			if ( !$o || !$t ) return false;
+
+			// adjust offset due to reading strings to separate space before
+			$o['pos'] -= $strings_addr;
+			$t['pos'] -= $strings_addr;
+
+			$original    = $reader->substr( $strings, $o['pos'], $o['length'] );
+			$translation = $reader->substr( $strings, $t['pos'], $t['length'] );
+
+			if ('' === $original) {
 				$this->set_headers($this->make_headers($translation));
 			} else {
-				$this->add_entry($this->make_entry($original, $translation));
+				$entry = &$this->make_entry($original, $translation);
+				$this->entries[$entry->key()] = &$entry;
 			}
 		}
 		return true;
 	}
 
-	function make_headers($translation) {
-		$headers = array();
-		$lines = explode("\n", $translation);
-		foreach($lines as $line) {
-			$parts = explode(':', $line, 2);
-			if (!isset($parts[1])) continue;
-			$headers[trim($parts[0])] = trim($parts[1]);
-		}
-		return $headers;
-	}
-
 	/**
+	 * Build a Translation_Entry from original string and translation strings,
+	 * found in a MO file
+	 *
 	 * @static
+	 * @param string $original original string to translate from MO file. Might contain
+	 * 	0x04 as context separator or 0x00 as singular/plural separator
+	 * @param string $translation translation string from MO file. Might contain
+	 * 	0x00 as a plural translations separator
 	 */
 	function &make_entry($original, $translation) {
-		$args = array();
+		$entry = new Translation_Entry();
 		// look for context
 		$parts = explode(chr(4), $original);
 		if (isset($parts[1])) {
 			$original = $parts[1];
-			$args['context'] = $parts[0];
+			$entry->context = $parts[0];
 		}
 		// look for plural original
 		$parts = explode(chr(0), $original);
-		$args['singular'] = $parts[0];
+		$entry->singular = $parts[0];
 		if (isset($parts[1])) {
-			$args['plural'] = $parts[1];
+			$entry->is_plural = true;
+			$entry->plural = $parts[1];
 		}
 		// plural translations are also separated by \0
-		$args['translations'] = explode(chr(0), $translation);
-		$entry = & new Translation_Entry($args);
+		$entry->translations = explode(chr(0), $translation);
 		return $entry;
 	}
 
@@ -129,7 +253,5 @@ class MO extends Translations {
 	function get_plural_forms_count() {
 		return $this->_nplurals;
 	}
-
-
 }
-?>
+endif;
\ No newline at end of file