Differential D19544 Diff 46726 src/applications/files/document/PhabricatorDocumentRef.php

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Show First 20 Lines • Show All 113 Lines • ▼ Show 20 Lines	final class PhabricatorDocumentRef
}		}

public function isProbablyJSON() {		public function isProbablyJSON() {
if (!$this->isProbablyText()) {		if (!$this->isProbablyText()) {
return false;		return false;
}		}

$snippet = $this->getSnippet();		$snippet = $this->getSnippet();
if (!preg_match('/^\s*[{[]/', $snippet)) {
		// If the file is longer than the snippet, we don't detect the content
		// as JSON. We could use some kind of heuristic here if we wanted, but
		// see PHI749 for a false positive.
		if (strlen($snippet) < $this->getByteLength()) {
return false;		return false;
}		}

return phutil_is_utf8($snippet);		// If the snippet is the whole file, just check if the snippet is valid
		// JSON. Note that `phutil_json_decode()` only accepts arrays and objects
		// as JSON, so this won't misfire on files with content like "3".
		try {
		phutil_json_decode($snippet);
		return true;
		} catch (Exception $ex) {
		return false;
		}
}		}

public function getSnippet() {		public function getSnippet() {
if ($this->snippet === null) {		if ($this->snippet === null) {
$this->snippet = $this->loadData(null, (1024 * 1024 * 1));		$this->snippet = $this->loadData(null, (1024 * 1024 * 1));
}		}

return $this->snippet;		return $this->snippet;
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