static function extract($f, $dir)
{
$reader = $f->openReader();
$binarydata = $reader->read(3);
$data = unpack("a3", $binarydata);
if ($data[1] !== self::FF_ARCHIVE_HEADER) {
throw new InvalidDataException("Intestazione del file non valida : " . $data[1]);
}
$binarydata = $reader->read(2 + 2 + 2);
$data = unpack("v3", $binarydata);
if ($data[1] !== self::CURRENT_MAJOR || $data[2] !== self::CURRENT_MINOR || $data[3] !== self::CURRENT_REV) {
throw new InvalidDataException("Versione del file non supportata!! : " . $data[1] . "-" . $data[2] . "-" . $data[3]);
}
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$num_entries = $data[1];
$i = 0;
while ($i < $num_entries) {
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$entry_type = $data[1];
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$path_length = $data[1];
$binarydata = $reader->read($path_length);
$data = unpack("a*", $binarydata);
$path = $data[1];
if ($entry_type === self::ENTRY_TYPE_DIR) {
$d = $dir->newSubdir($path);
$d->touch();
}
if ($entry_type === self::ENTRY_TYPE_FILE) {
$binarydata = $reader->read(4);
$data = unpack("V", $binarydata);
$num_bytes = $data[1];
$compressed_file_data = $reader->read($num_bytes);
$uncompressed_file_data = gzuncompress($compressed_file_data);
$f = new File($dir->getPath() . $path);
$writer = $f->openWriter();
$writer->write($uncompressed_file_data);
$writer->close();
$sha1_checksum = $reader->read(20);
if (strcmp($sha1_checksum, sha1_file($f->getFullPath(), true)) !== 0) {
throw new InvalidDataException("La somma sha1 non corrisponde per il file : " . $f->getPath());
}
}
$i++;
}
$reader->close();
}
function testWriterSeek()
{
$f = new File("/" . FRAMEWORK_CORE_PATH . "tests/io/reader_writer/printf_test.txt");
$writer = $f->openWriter();
$writer->printf("%2d %2d %2d", 12, 34, 56);
$writer->reset();
$this->assertEqual($writer->pos(), 0, "La posizione non e' tornata zero dopo seek(0)!!!");
$writer->printf("%2d", 99);
$writer->reset();
$this->assertEqual($writer->pos(), 0, "La posizione non e' corretta dopo la seek del writer : " . $writer->pos());
$result = $writer->scanf("%2d %2d %2d");
$this->assertEqual($result[0], 99, "I valori letti non corrispondono!! : " . $result[0]);
$this->assertEqual($result[1], 34, "I valori letti non corrispondono!! : " . $result[1]);
$this->assertEqual($result[2], 56, "I valori letti non corrispondono!! : " . $result[2]);
}
function testAdvancedPrintfWriteThenRead()
{
$f = new File("/" . FRAMEWORK_CORE_PATH . "tests/io/reader_writer/readwrite2.txt");
$this->assertFalse($f->exists(), "Il file esiste gia'!!");
try {
$writer = $f->openWriter();
$this->assertTrue($f->exists(), "Il file non e' stato creato!!");
$this->assertTrue($writer instanceof FileWriter, "L'oggetto non e' del tipo specificato!!");
$this->assertTrue($writer->isOpen(), "Il writer non e' aperto!!");
$writer->write("Ciao mondo!!!");
$writer->printf(" %02d %02d go", 12, 34);
$writer->close();
$reader = $f->openReader();
$line = $reader->read(22);
$this->assertEqual("Ciao mondo!!! 12 34 go", $line, "I dati letti non corrispondono!! : " . $line);
$reader->close();
} catch (Exception $ex) {
$this->fail("Errore nell'apertura del writer di un file non esistente!!");
}
$f->delete();
}
static function extract($f, $dir)
{
if ($f instanceof File) {
$source_file = $f;
} else {
$source_file = new File($f);
}
if ($dir instanceof Dir) {
$target_dir = $dir;
} else {
$target_dir = new Dir($dir);
}
$reader = $source_file->openReader();
$binarydata = $reader->read(3);
$data = unpack("a3", $binarydata);
if ($data[1] !== self::FF_ARCHIVE_HEADER) {
throw new InvalidDataException("Intestazione del file non valida : " . $data[1]);
}
$binarydata = $reader->read(2 + 2 + 2);
$data = unpack("v3", $binarydata);
if ($data[1] !== self::CURRENT_MAJOR || $data[2] !== self::CURRENT_MINOR || $data[3] !== self::CURRENT_REV) {
throw new InvalidDataException("Versione del file non supportata!! : " . $data[1] . "-" . $data[2] . "-" . $data[3]);
}
//properties
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$properties_length = $data[1];
if ($properties_length > 0) {
$binarydata = $reader->read($properties_length);
$data = unpack("a*", $binarydata);
$properties = PropertiesUtils::readFromString($data[1], false);
} else {
$properties = array();
}
//num entries
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$num_entries = $data[1];
$i = 0;
while ($i < $num_entries) {
//entry type
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$entry_type = $data[1];
//path length
$binarydata = $reader->read(2);
$data = unpack("v", $binarydata);
$path_length = $data[1];
//path
$binarydata = $reader->read($path_length);
$data = unpack("a*", $binarydata);
$path = $data[1];
if ($entry_type === self::ENTRY_TYPE_DIR) {
$d = $target_dir->newSubdir($path);
$d->touch();
}
if ($entry_type === self::ENTRY_TYPE_FILE) {
//compressed size
$binarydata = $reader->read(4);
$data = unpack("V", $binarydata);
$num_bytes = $data[1];
//compressed data
$compressed_file_data = $reader->read($num_bytes);
$uncompressed_file_data = gzuncompress($compressed_file_data);
$f = new File($target_dir->getPath() . $path);
$writer = $f->openWriter();
$writer->write($uncompressed_file_data);
$writer->close();
//sha1 sum
$sha1_checksum = $reader->read(20);
if (strcmp($sha1_checksum, sha1_file($f->getFullPath(), true)) !== 0) {
throw new InvalidDataException("La somma sha1 non corrisponde per il file : " . $f->getPath());
}
}
$i++;
}
$reader->close();
return true;
}
