PhutilJSONParser.php
5b9e5b3c105aproduction

PhutilJSONParser.php
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			<?php

			/**
			* A JSON parser.
			*
			* @phutil-external-symbol class JsonLintJsonParser
			* @phutil-external-symbol class JsonLintParsingException
			*/
			final class PhutilJSONParser {

			private $allowDuplicateKeys = false;

			public function setAllowDuplicateKeys($allow_duplicate_keys) {
			$this->allowDuplicateKeys = $allow_duplicate_keys;
			return $this;
			}

			public function parse($json) {
			$jsonlint_root = phutil_get_library_root('phutil').'/../externals/jsonlint';
			require_once($jsonlint_root.'/src/Seld/JsonLint/JsonParser.php');
			require_once($jsonlint_root.'/src/Seld/JsonLint/Lexer.php');
			require_once($jsonlint_root.'/src/Seld/JsonLint/ParsingException.php');
			require_once($jsonlint_root.'/src/Seld/JsonLint/Undefined.php');

			$parser = new JsonLintJsonParser();
			try {
			$output = $parser->parse($json, $this->getFlags());
			} catch (JsonLintParsingException $ex) {
			$details = $ex->getDetails();
			$message = preg_replace("/^Parse error .*\\^\n/s", '', $ex->getMessage());

			throw new PhutilJSONParserException(
			$message,
			idx(idx($details, 'loc', array()), 'last_line'),
			idx(idx($details, 'loc', array()), 'last_column'),
			idx($details, 'token'),
			idx($details, 'expected'));
			}

			if (!is_array($output)) {
			throw new PhutilJSONParserException(
			pht(
			'%s is not a valid JSON object.',
			PhutilReadableSerializer::printShort($json)));
			}

			return $output;
			}

			private function getFlags() {
			$flags = 0;

			if ($this->allowDuplicateKeys) {
			$flags \|= JsonLintJsonParser::ALLOW_DUPLICATE_KEYS;
			} else {
			$flags \|= JsonLintJsonParser::DETECT_KEY_CONFLICTS;
			}

			return $flags;
			}

			}