116
114
function import_from_reader($reader) {
117
$reader->setEndian('little');
118
$endian = MO::get_byteorder($reader->readint32());
119
if (false === $endian) {
115
$endian_string = MO::get_byteorder($reader->readint32());
116
if (false === $endian_string) {
122
$reader->setEndian($endian);
124
$revision = $reader->readint32();
125
$total = $reader->readint32();
126
// get addresses of array of lenghts and offsets for original string and translations
127
$originals_lenghts_addr = $reader->readint32();
128
$translations_lenghts_addr = $reader->readint32();
119
$reader->setEndian($endian_string);
121
$endian = ('big' == $endian_string)? 'N' : 'V';
123
$header = $reader->read(24);
124
if ($reader->strlen($header) != 24)
128
$header = unpack("{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header);
129
if (!is_array($header))
134
// support revision 0 of MO format specs, only
138
// seek to data blocks
130
139
$reader->seekto($originals_lenghts_addr);
131
$originals_lenghts = $reader->readint32array($total * 2); // each of
132
$reader->seekto($translations_lenghts_addr);
133
$translations_lenghts = $reader->readint32array($total * 2);
135
$length = create_function('$i', 'return $i * 2 + 1;');
136
$offset = create_function('$i', 'return $i * 2 + 2;');
138
for ($i = 0; $i < $total; ++$i) {
139
$reader->seekto($originals_lenghts[$offset($i)]);
140
$original = $reader->read($originals_lenghts[$length($i)]);
141
$reader->seekto($translations_lenghts[$offset($i)]);
142
$translation = $reader->read($translations_lenghts[$length($i)]);
143
if ('' == $original) {
141
// read originals' indices
142
$originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr;
143
if ( $originals_lengths_length != $total * 8 )
146
$originals = $reader->read($originals_lengths_length);
147
if ( $reader->strlen( $originals ) != $originals_lengths_length )
150
// read translations' indices
151
$translations_lenghts_length = $hash_addr - $translations_lenghts_addr;
152
if ( $translations_lenghts_length != $total * 8 )
155
$translations = $reader->read($translations_lenghts_length);
156
if ( $reader->strlen( $translations ) != $translations_lenghts_length )
159
// transform raw data into set of indices
160
$originals = $reader->str_split( $originals, 8 );
161
$translations = $reader->str_split( $translations, 8 );
164
$strings_addr = $hash_addr + $hash_length * 4;
166
$reader->seekto($strings_addr);
168
$strings = $reader->read_all();
171
for ( $i = 0; $i < $total; $i++ ) {
172
$o = unpack( "{$endian}length/{$endian}pos", $originals[$i] );
173
$t = unpack( "{$endian}length/{$endian}pos", $translations[$i] );
174
if ( !$o || !$t ) return false;
176
// adjust offset due to reading strings to separate space before
177
$o['pos'] -= $strings_addr;
178
$t['pos'] -= $strings_addr;
180
$original = $reader->substr( $strings, $o['pos'], $o['length'] );
181
$translation = $reader->substr( $strings, $t['pos'], $t['length'] );
183
if ('' === $original) {
144
184
$this->set_headers($this->make_headers($translation));
146
$this->add_entry($this->make_entry($original, $translation));
186
$entry = &$this->make_entry($original, $translation);
187
$this->entries[$entry->key()] = &$entry;
194
* Build a Translation_Entry from original string and translation strings,
198
* @param string $original original string to translate from MO file. Might contain
199
* 0x04 as context separator or 0x00 as singular/plural separator
200
* @param string $translation translation string from MO file. Might contain
201
* 0x00 as a plural translations separator
155
203
function &make_entry($original, $translation) {
204
$entry = & new Translation_Entry();
157
205
// look for context
158
206
$parts = explode(chr(4), $original);
159
207
if (isset($parts[1])) {
160
208
$original = $parts[1];
161
$args['context'] = $parts[0];
209
$entry->context = $parts[0];
163
211
// look for plural original
164
212
$parts = explode(chr(0), $original);
165
$args['singular'] = $parts[0];
213
$entry->singular = $parts[0];
166
214
if (isset($parts[1])) {
167
$args['plural'] = $parts[1];
215
$entry->is_plural = true;
216
$entry->plural = $parts[1];
169
218
// plural translations are also separated by \0
170
$args['translations'] = explode(chr(0), $translation);
171
$entry = & new Translation_Entry($args);
219
$entry->translations = explode(chr(0), $translation);