WordPress 4.0
[autoinstalls/wordpress.git] / wp-includes / pomo / mo.php
index 72e0e7bf22bb7ae1ce1ece449f238ded3db4df94..407c5a83e6a68a5242df8f48cca85d1963fa0d40 100644 (file)
@@ -2,7 +2,7 @@
 /**
  * Class for working with MO files
  *
 /**
  * Class for working with MO files
  *
- * @version $Id: mo.php 406 2010-02-07 11:10:24Z nbachiyski $
+ * @version $Id: mo.php 718 2012-10-31 00:32:02Z nbachiyski $
  * @package pomo
  * @subpackage mo
  */
  * @package pomo
  * @subpackage mo
  */
@@ -30,7 +30,33 @@ class MO extends Gettext_Translations {
        function export_to_file($filename) {
                $fh = fopen($filename, 'wb');
                if ( !$fh ) return false;
        function export_to_file($filename) {
                $fh = fopen($filename, 'wb');
                if ( !$fh ) return false;
-               $entries = array_filter($this->entries, create_function('$e', 'return !empty($e->translations);'));
+               $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;
                $revision = 0;
                ksort($entries);
                $magic = 0x950412de;
                $revision = 0;
@@ -49,28 +75,30 @@ class MO extends Gettext_Translations {
                $current_addr++;
                $originals_table = chr(0);
 
                $current_addr++;
                $originals_table = chr(0);
 
+               $reader = new POMO_Reader();
+
                foreach($entries as $entry) {
                        $originals_table .= $this->export_original($entry) . chr(0);
                foreach($entries as $entry) {
                        $originals_table .= $this->export_original($entry) . chr(0);
-                       $length = strlen($this->export_original($entry));
+                       $length = $reader->strlen($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', $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), $current_addr));
+               fwrite($fh, pack('VV', $reader->strlen($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);
                $current_addr += strlen($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));
+                       $length = $reader->strlen($this->export_translations($entry));
                        fwrite($fh, pack('VV', $length, $current_addr));
                        $current_addr += $length + 1;
                }
 
                fwrite($fh, $originals_table);
                fwrite($fh, $translations_table);
                        fwrite($fh, pack('VV', $length, $current_addr));
                        $current_addr += $length + 1;
                }
 
                fwrite($fh, $originals_table);
                fwrite($fh, $translations_table);
-               fclose($fh);
+               return true;
        }
 
        function export_original($entry) {
        }
 
        function export_original($entry) {
@@ -129,46 +157,49 @@ class MO extends Gettext_Translations {
                if (!is_array($header))
                        return false;
 
                if (!is_array($header))
                        return false;
 
-               extract( $header );
-
                // support revision 0 of MO format specs, only
                // support revision 0 of MO format specs, only
-               if ($revision != 0)
+               if ( $header['revision'] != 0 ) {
                        return false;
                        return false;
+               }
 
                // seek to data blocks
 
                // seek to data blocks
-               $reader->seekto($originals_lenghts_addr);
+               $reader->seekto( $header['originals_lenghts_addr'] );
 
                // read originals' indices
 
                // read originals' indices
-               $originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
-               if ( $originals_lengths_length != $total * 8 )
+               $originals_lengths_length = $header['translations_lenghts_addr'] - $header['originals_lenghts_addr'];
+               if ( $originals_lengths_length != $header['total'] * 8 ) {
                        return false;
                        return false;
+               }
 
                $originals = $reader->read($originals_lengths_length);
 
                $originals = $reader->read($originals_lengths_length);
-               if ( $reader->strlen( $originals ) != $originals_lengths_length )
+               if ( $reader->strlen( $originals ) != $originals_lengths_length ) {
                        return false;
                        return false;
+               }
 
                // read translations' indices
 
                // read translations' indices
-               $translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
-               if ( $translations_lenghts_length != $total * 8 )
+               $translations_lenghts_length = $header['hash_addr'] - $header['translations_lenghts_addr'];
+               if ( $translations_lenghts_length != $header['total'] * 8 ) {
                        return false;
                        return false;
+               }
 
                $translations = $reader->read($translations_lenghts_length);
 
                $translations = $reader->read($translations_lenghts_length);
-               if ( $reader->strlen( $translations ) != $translations_lenghts_length )
+               if ( $reader->strlen( $translations ) != $translations_lenghts_length ) {
                        return false;
                        return false;
+               }
 
                // transform raw data into set of indices
                $originals    = $reader->str_split( $originals, 8 );
                $translations = $reader->str_split( $translations, 8 );
 
                // skip hash table
 
                // 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;
+               $strings_addr = $header['hash_addr'] + $header['hash_length'] * 4;
 
                $reader->seekto($strings_addr);
 
                $strings = $reader->read_all();
                $reader->close();
 
 
                $reader->seekto($strings_addr);
 
                $strings = $reader->read_all();
                $reader->close();
 
-               for ( $i = 0; $i < $total; $i++ ) {
+               for ( $i = 0; $i < $header['total']; $i++ ) {
                        $o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
                        $t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
                        if ( !$o || !$t ) return false;
                        $o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
                        $t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
                        if ( !$o || !$t ) return false;