/**
* This method renders the data for the writer.
*
* @access public
* @return string the data as string
* @throws \Exception indicates a problem occurred
* when generating the template
*/
public function render()
{
$delimiter = $this->metadata['delimiter'];
$enclosure = $this->metadata['enclosure'];
$escape = $this->metadata['escape'];
$eol = $this->metadata['eol'];
$encoding = $this->metadata['encoding'];
ob_start();
try {
if (!empty($this->metadata['template'])) {
$file = new IO\File($this->metadata['template']);
$mustache = new \Mustache_Engine(array('loader' => new \Mustache_Loader_FilesystemLoader($file->getFilePath()), 'escape' => function ($field) use($delimiter, $enclosure, $escape, $encoding) {
$value = Core\Data\Charset::encode($field, $encoding[0], $encoding[1]);
if ($enclosure != '' && (strpos($value, $delimiter) !== false || strpos($value, $enclosure) !== false || strpos($value, "\n") !== false || strpos($value, "\r") !== false || strpos($value, "\t") !== false || strpos($value, ' ') !== false)) {
$literal = $enclosure;
$escaped = 0;
$length = strlen($value);
for ($i = 0; $i < $length; $i++) {
if ($value[$i] == $escape) {
$escaped = 1;
} else {
if (!$escaped && $value[$i] == $enclosure) {
$literal .= $enclosure;
} else {
$escaped = 0;
}
}
$literal .= $value[$i];
}
$literal .= $enclosure;
return $literal;
} else {
return Core\Convert::toString($value);
}
}));
echo $mustache->render($file->getFileName(), $this->data);
} else {
if ($this->metadata['header']) {
if (!empty($this->metadata['headings'])) {
echo static::format($this->metadata['headings'], $delimiter, $enclosure, $escape, $eol, $encoding);
} else {
if (!empty($this->data)) {
echo static::format(array_keys($this->data[0]), $delimiter, $enclosure, $escape, $eol, $encoding);
}
}
}
foreach ($this->data as $values) {
echo static::format($values, $delimiter, $enclosure, $escape, $eol, $encoding);
}
}
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
return $template;
}
/**
* This destructor ensures that any resources are properly disposed.
*
* @access public
*/
public function __destruct()
{
unset($this->reader);
unset($this->writer);
unset($this->pointer);
unset($this->length);
if ($this->file->exists()) {
unlink($this->file);
unset($this->file);
}
}
/**
* This method sends the message.
*
* @access public
*/
public function send()
{
header(implode(' ', array($this->protocol, $this->status, static::$statuses[$this->status])));
foreach ($this->headers as $name => $value) {
header($name . ': ' . trim($value));
}
header('content-length: ' . $this->getLength());
if ($this->body !== null) {
echo $this->body->getBytes();
}
exit;
}
/**
* This method renders the data for the writer.
*
* @access public
* @return string the data as string
* @throws \Exception indicates a problem occurred
* when generating the template
*/
public function render()
{
$metadata = $this->metadata;
$declaration = $metadata['declaration'] ? Core\Data\XML::declaration($metadata['encoding'][1], $metadata['standalone']) . $metadata['eol'] : '';
if (!empty($metadata['template'])) {
$file = new IO\File($metadata['template']);
$mustache = new \Mustache_Engine(array('loader' => new \Mustache_Loader_FilesystemLoader($file->getFilePath()), 'escape' => function ($string) use($metadata) {
$string = Core\Data\Charset::encode($string, $metadata['encoding'][0], $metadata['encoding'][1]);
$string = Core\Data\XML::entities($string);
return $string;
}));
ob_start();
try {
echo $declaration;
echo $mustache->render($file->getFileName(), $this->data);
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
if (!empty($metadata['minify'])) {
$template = Minify\XML::minify($template, $metadata['minify']);
}
return $template;
} else {
ob_start();
try {
$document = new \DOMDocument();
$document->formatOutput = true;
$this->toXML($document, $document, $this->data);
echo $declaration;
echo $document->saveXML();
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
return $template;
}
}
/**
* This method renders the data for the writer.
*
* @access public
* @return string the data as string
* @throws \Exception indicates a problem occurred
* when generating the template
*/
public function render()
{
$declaration = $this->metadata['declaration'] ? '<!DOCTYPE html>' . "\n" : '';
if (!empty($this->metadata['template'])) {
$file = new IO\File($this->metadata['template']);
$mustache = new \Mustache_Engine(array('loader' => new \Mustache_Loader_FilesystemLoader($file->getFilePath()), 'escape' => function ($string) {
return htmlentities($string);
}));
ob_start();
try {
echo $declaration;
echo $mustache->render($file->getFileName(), $this->data);
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
//if (!empty($this->metadata['minify'])) {
// $template = Minify\HTML::minify($template, $this->metadata['minify']);
//}
return $template;
}
return $declaration;
}
/**
* This destructor ensures that any resources are properly disposed.
*
* @access public
*/
public function __destruct()
{
parent::__destruct();
unset($this->error);
unset($this->index);
unset($this->key);
unset($this->post);
}
/**
* This method returns an instance of the class with the contents of the specified
* XML file.
*
* @access public
* @static
* @param IO\File $file the input file stream to be used
* @return Core\Data\XML an instance of this class
* @throws Throwable\InvalidArgument\Exception indicates a data type mismatch
* @throws Throwable\FileNotFound\Exception indicates that the file does not exist
*/
public static function load(IO\File $file)
{
if (!$file->exists()) {
throw new Throwable\FileNotFound\Exception('Unable to locate file. File ":file" does not exist.', array(':file' => $file));
}
$buffer = file_get_contents($file);
$buffer = preg_replace('/^' . pack('H*', 'EFBBBF') . '/', '', $buffer);
if (!preg_match('/^<\\?xml\\s+.+\\?>/', $buffer)) {
$buffer = static::declaration(Core\Data\Charset::UTF_8_ENCODING) . "\n" . $buffer;
}
$xml = new static($buffer);
return $xml;
}
/**
* This destructor ensures that any resources are properly disposed.
*
* @access public
*/
public function __destruct()
{
parent::__destruct();
unset($this->mime);
}
/**
* This method returns the length of the resource.
*
* @access public
* @return integer the length of the resource
*/
public function length()
{
return $this->file->getFileSize();
}
/**
* This function will read an image with a Code 39 Barcode and will decode it.
*
* @access public
* @static
* @param IO\File $file the image's URI
* @return string the decode value
*/
public static function decode(IO\File $file)
{
$image = NULL;
$ext = $file->getFileExtension();
switch ($ext) {
case 'png':
$image = imagecreatefrompng($file);
break;
case 'jpg':
$image = imagecreatefromjpeg($file);
break;
default:
throw new Throwable\InvalidArgument\Exception('Unrecognized file format. File name must have either a png or jpg extension.', array('file' => $file));
}
$width = imagesx($image);
$height = imagesy($image);
$y = floor($height / 2);
// finds middle
$pixels = array();
for ($x = 0; $x < $width; $x++) {
$rgb = imagecolorat($image, $x, $y);
$r = $rgb >> 16 & 0xff;
$g = $rgb >> 8 & 0xff;
$b = $rgb & 0xff;
$pixels[$x] = ($r + $g + $b) / 3 < 128.0 ? 1 : 0;
}
$code = array();
$bw = array();
$i = 0;
$code[0] = 1;
$bw[0] = 'b';
for ($x = 1; $x < $width; $x++) {
if ($pixels[$x] == $pixels[$x - 1]) {
$code[$i]++;
} else {
$code[++$i] = 1;
$bw[$i] = $pixels[$x] == 1 ? 'b' : 'w';
}
}
$max = 0;
for ($x = 1; $x < count($code) - 1; $x++) {
if ($code[$x] > $max) {
$max = $code[$x];
}
}
$code_string = '';
for ($x = 1; $x < count($code) - 1; $x++) {
$code_string .= $code[$x] > $max / 2 * 1.5 ? strtoupper($bw[$x]) : $bw[$x];
}
// parse code string
$msg = '';
for ($x = 0; $x < strlen($code_string); $x += 10) {
$msg .= self::$patterns[substr($code_string, $x, 9)];
}
return $msg;
}
/**
* This constructor initializes the class with the specified URI.
*
* @access public
* @param string $prefix the prefix of the generated temporary file
* @throws Throwable\InvalidArgument\Exception indicates a data type mismatch
*/
public function __construct($prefix = '')
{
parent::__construct(tempnam(static::directory(), $prefix));
$this->temporary = true;
}
