ArcanistPasteWorkflow.php
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	<?php

	/**
	* Upload a chunk of text to the Paste application, or download one.
	*
	* @group workflow
	*/
	final class ArcanistPasteWorkflow extends ArcanistBaseWorkflow {

	private $id;
	private $language;
	private $title;
	private $json;

	public function getWorkflowName() {
	return 'paste';
	}

	public function getCommandSynopses() {
	return phutil_console_format(<<<EOTEXT
	paste [--title __title__] [--lang __language__] [--json]
	paste __id__ [--json]
	EOTEXT
	);
	}

	public function getCommandHelp() {
	return phutil_console_format(<<<EOTEXT
	Supports: text
	Share and grab text using the Paste application. To create a paste,
	use stdin to provide the text:

	$ cat list_of_ducks.txt \| arc paste

	To retrieve a paste, specify the paste ID:

	$ arc paste P123
	EOTEXT
	);
	}

	public function getArguments() {
	return array(
	'title' => array(
	'param' => 'title',
	'help' => 'Title for the paste.',
	),
	'lang' => array(
	'param' => 'language',
	'help' => 'Language for syntax highlighting.',
	),
	'json' => array(
	'help' => 'Output in JSON format.',
	),
	'*' => 'argv',
	);
	}

	public function requiresAuthentication() {
	return true;
	}

	protected function didParseArguments() {
	$this->language = $this->getArgument('lang');
	$this->title = $this->getArgument('title');
	$this->json = $this->getArgument('json');

	$argv = $this->getArgument('argv');
	if (count($argv) > 1) {
	throw new ArcanistUsageException('Specify only one paste to retrieve.');
	} else if (count($argv) == 1) {
	$id = $argv[0];
	if (!preg_match('/^P?\d+/', $id)) {
	throw new ArcanistUsageException('Specify a paste ID, like P123.');
	}
	$this->id = (int)ltrim($id, 'P');

	if ($this->language \|\| $this->title) {
	throw new ArcanistUsageException(
	'Use options --lang and --title only when creating pastes.');
	}
	}
	}

	private function getTitle() {
	return $this->title;
	}

	private function getLanguage() {
	return $this->language;
	}

	private function getJSON() {
	return $this->json;
	}

	public function run() {

	if ($this->id) {
	return $this->getPaste();
	} else {
	return $this->createPaste();
	}
	}

	private function getPaste() {
	$conduit = $this->getConduit();

	$info = $conduit->callMethodSynchronous(
	'paste.query',
	array(
	'ids' => array($this->id),
	));
	$info = head($info);

	if ($this->getJSON()) {
	echo json_encode($info)."\n";
	} else {
	echo $info['content'];
	if (!preg_match('/\\n$/', $info['content'])) {
	// If there's no newline, add one, since it looks stupid otherwise. If
	// you want byte-for-byte equivalence you can use --json.
	echo "\n";
	}
	}

	return 0;
	}

	private function createPaste() {
	$conduit = $this->getConduit();

	// Avoid confusion when people type "arc paste" with nothing else.
	$this->writeStatusMessage("Reading paste from stdin...\n");

	$info = $conduit->callMethodSynchronous(
	'paste.create',
	array(
	'content' => file_get_contents('php://stdin'),
	'title' => $this->getTitle(),
	'language' => $this->getLanguage(),
	));

	if ($this->getArgument('json')) {
	echo json_encode($info)."\n";
	} else {
	echo $info['objectName'].': '.$info['uri']."\n";
	}

	return 0;
	}

	}

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