/**
* Minify function. Returns a minified content, or writes it to a file if path is specified.
*
* @param null|string $file
* @return string|true
*/
public function compile($path = null)
{
// create a file from the given path, or a temproary resource of a max of 20 Mb
$this->res = $path ? new FileObject($path, 'w+') : new TempFileObject($this->options['tmp'] . '/' . StringUtils::randString(50));
// merge all resources in the minfier's resource
foreach ($this->resources as $handle) {
while (!$handle->eof()) {
$chunk = $handle->read(8192);
$this->res->write($chunk);
}
unset($handle);
$this->res->write("\n\n");
}
$this->res->rewind();
// return the minified text as a string or as a file
$string = null !== $path ? true : $this->res->read();
return $string;
}
public function testWriteSeekRead()
{
$this->assertEquals($this->file->getChildren(), NULL);
$this->assertEquals($this->file->hasChildren(), FALSE);
$write = 'Ana are mere';
$this->assertEquals($this->file->write($write), fwrite($this->handle, $write));
$this->assertEquals($this->file->write($write, 10), fwrite($this->handle, $write, 10));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->read(10), fread($this->handle, 10));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->read(1000), fread($this->handle, 1000));
$this->assertEquals($this->file->eof(), feof($this->handle));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->writeLine($write), fwrite($this->handle, $write . "\n"));
$this->assertEquals($this->file->tell(), ftell($this->handle));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->readChar(), fgetc($this->handle));
$this->assertEquals($this->file->readLine(), preg_replace("/[\n\r]+\$/", '', fgets($this->handle)));
$this->assertEquals($this->file->valid(), !feof($this->handle));
$this->assertEquals($this->file->flush(), fflush($this->handle));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->write($write), fwrite($this->handle, $write));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->read(1000), fread($this->handle, 1000));
$this->file->fileSeek(0);
fseek($this->handle, 0);
$this->assertEquals($this->file->truncate(10), ftruncate($this->handle, 10));
$this->file->fileSeek(0);
fseek($this->handle, 0);
ob_start();
$this->file->passthru();
$line1 = ob_get_clean();
ob_start();
fpassthru($this->handle);
$line2 = ob_get_clean();
$this->assertEquals($line1, $line2);
$this->close();
}
