ArcanistLintJSONRenderer.php
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ArcanistLintJSONRenderer.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/**
	* Shows lint messages to the user.
	*
	* @group lint
	*/
	class ArcanistLintJSONRenderer {
	const LINES_OF_CONTEXT = 3;

	public function renderLintResult(ArcanistLintResult $result) {
	$messages = $result->getMessages();
	$path = $result->getPath();
	$data = explode("\n", $result->getData());
	array_unshift($data, ''); // make the line numbers work as array indices

	$output = array($path => array());

	foreach ($messages as $message) {
	$output[$path][] = array(
	'code' => $message->getCode(),
	'name' => $message->getName(),
	'severity' => $message->getSeverity(),
	'line' => $message->getLine(),
	'char' => $message->getChar(),
	'context' => implode("\n", array_slice(
	$data,
	$message->getLine() - self::LINES_OF_CONTEXT,
	self::LINES_OF_CONTEXT * 2 + 1
	)),
	);
	}

	return json_encode($output)."\n";
	}
	}