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phab/src/applications/files/document/PhabricatorDocumentRef.php
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PhabricatorDocumentRef.php
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<?php
final class PhabricatorDocumentRef
extends Phobject {
private $name;
private $mimeType;
private $file;
private $byteLength;
private $snippet;
public function setFile(PhabricatorFile $file) {
$this->file = $file;
return $this;
}
public function getFile() {
return $this->file;
}
public function setMimeType($mime_type) {
$this->mimeType = $mime_type;
return $this;
}
public function getMimeType() {
if ($this->mimeType !== null) {
return $this->mimeType;
}
if ($this->file) {
return $this->file->getMimeType();
}
return null;
}
public function setName($name) {
$this->name = $name;
return $this;
}
public function getName() {
if ($this->name !== null) {
return $this->name;
}
if ($this->file) {
return $this->file->getName();
}
return null;
}
public function setByteLength($length) {
$this->byteLength = $length;
return $this;
}
public function getByteLength() {
if ($this->byteLength !== null) {
return $this->byteLength;
}
if ($this->file) {
return (int)$this->file->getByteSize();
}
return null;
}
public function loadData($begin = null, $end = null) {
if ($this->file) {
$iterator = $this->file->getFileDataIterator($begin, $end);
$result = '';
foreach ($iterator as $chunk) {
$result .= $chunk;
}
return $result;
}
throw new PhutilMethodNotImplementedException();
}
public function hasAnyMimeType(array $candidate_types) {
$mime_full = $this->getMimeType();
$mime_parts = explode(';', $mime_full);
$mime_type = head($mime_parts);
$mime_type = $this->normalizeMimeType($mime_type);
foreach ($candidate_types as $candidate_type) {
if ($this->normalizeMimeType($candidate_type) === $mime_type) {
return true;
}
}
return false;
}
private function normalizeMimeType($mime_type) {
$mime_type = trim($mime_type);
$mime_type = phutil_utf8_strtolower($mime_type);
return $mime_type;
}
public function isProbablyText() {
$snippet = $this->getSnippet();
return (strpos($snippet, "\0") === false);
}
public function isProbablyJSON() {
if (!$this->isProbablyText()) {
return false;
}
$snippet = $this->getSnippet();
if (!preg_match('/^\s*[{[]/', $snippet)) {
return false;
}
return phutil_is_utf8($snippet);
}
public function getSnippet() {
if ($this->snippet === null) {
$this->snippet = $this->loadData(null, (1024 * 1024 * 1));
}
return $this->snippet;
}
}
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