307 lines
8.6 KiB
PHP
307 lines
8.6 KiB
PHP
<?php
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/*
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* (c) Markus Lanthaler <mail@markus-lanthaler.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace ML\JsonLD\Exception;
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use ML\JsonLD\JsonLD;
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/**
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* Exception class thrown when an error occurs during parsing.
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*
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* @author Markus Lanthaler <mail@markus-lanthaler.com>
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*/
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class JsonLdException extends \RuntimeException
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{
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/**
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* An unspecified error code (none was standardized yet)
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*/
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const UNSPECIFIED = 'unknown';
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/**
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* The document could not be loaded or parsed as JSON.
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*/
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const LOADING_DOCUMENT_FAILED = "loading document failed";
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/**
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* A list of lists was detected. List of lists are not supported in
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* this version of JSON-LD due to the algorithmic complexity.
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*/
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const LIST_OF_LISTS = "list of lists";
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/**
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* An @index member was encountered whose value was not a string.
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*/
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const INVALID_INDEX_VALUE = "invalid @index value";
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/**
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* Multiple conflicting indexes have been found for the same node.
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*/
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const CONFLICTING_INDEXES = "conflicting indexes";
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/**
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* An @id member was encountered whose value was not a string.
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*/
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const INVALID_ID_VALUE = "invalid @id value";
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/**
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* In invalid local context was detected.
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*/
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const INVALID_LOCAL_CONTEXT = "invalid local context";
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/**
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* Multiple HTTP Link Headers [RFC5988] using th
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* http://www.w3.org/ns/json-ld#context link relation have been detected.
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*/
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const MULTIPLE_CONTEXT_LINK_HEADERS = "multiple context link headers";
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/**
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* There was a problem encountered loading a remote context.
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*/
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const LOADING_REMOTE_CONTEXT_FAILED = "loading remote context failed";
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/**
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* No valid context document has been found for a referenced,
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* remote context.
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*/
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const INVALID_REMOTE_CONTEXT = "invalid remote context";
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/**
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* A cycle in remote context inclusions has been detected.
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*/
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const RECURSIVE_CONTEXT_INCLUSION = "recursive context inclusion";
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/**
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* An invalid base IRI has been detected, i.e., it is neither an
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* absolute IRI nor null.
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*/
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const INVALID_BASE_IRI = "invalid base IRI";
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/**
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* An invalid vocabulary mapping has been detected, i.e., it is
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* neither an absolute IRI nor null.
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*/
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const INVALID_VOCAB_MAPPING = "invalid vocab mapping";
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/**
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* The value of the default language is not a string or null and
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* thus invalid.
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*/
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const INVALID_DEFAULT_LANGUAGE = "invalid default language";
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/**
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* A keyword redefinition has been detected.
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*/
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const KEYWORD_REDEFINITION = "keyword redefinition";
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/**
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* An invalid term definition has been detected.
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*/
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const INVALID_TERM_DEFINITION = "invalid term definition";
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/**
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* An invalid reverse property definition has been detected.
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*/
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const INVALID_REVERSE_PROPERTY = "invalid reverse property";
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/**
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* IRI mapping A local context contains a term that has an invalid
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* or missing IRI mapping.
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*/
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const INVALID_IRI_MAPPING = "invalid IRI mapping";
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/**
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* IRI mapping A cycle in IRI mappings has been detected.
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*/
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const CYCLIC_IRI_MAPPING = "cyclic IRI mapping";
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/**
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* An invalid keyword alias definition has been encountered.
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*/
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const INVALID_KEYWORD_ALIAS = "invalid keyword alias";
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/**
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* An @type member in a term definition was encountered whose value
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* could not be expanded to an absolute IRI.
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*/
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const INVALID_TYPE_MAPPING = "invalid type mapping";
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/**
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* An @language member in a term definition was encountered whose
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* value was neither a string nor null and thus invalid.
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*/
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const INVALID_LANGUAGE_MAPPING = "invalid language mapping";
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/**
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* Two properties which expand to the same keyword have been detected.
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* This might occur if a keyword and an alias thereof are used at the
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* same time.
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*/
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const COLLIDING_KEYWORDS = "colliding keywords";
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/**
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* An @container member was encountered whose value was not one of
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* the following strings: @list, @set, or @index.
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*/
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const INVALID_CONTAINER_MAPPING = "invalid container mapping";
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/**
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* An invalid value for an @type member has been detected, i.e., the
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* value was neither a string nor an array of strings.
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*/
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const INVALID_TYPE_VALUE = "invalid type value";
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/**
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* A value object with disallowed members has been detected.
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*/
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const INVALID_VALUE_OBJECT = "invalid value object";
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/**
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* An invalid value for the @value member of a value object has been
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* detected, i.e., it is neither a scalar nor null.
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*/
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const INVALID_VALUE_OBJECT_VALUE = "invalid value object value";
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/**
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* A language-tagged string with an invalid language value was detected.
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*/
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const INVALID_LANGUAGE_TAGGED_STRING = "invalid language-tagged string";
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/**
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* A number, true, or false with an associated language tag was detected.
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*/
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const INVALID_LANGUAGE_TAGGED_VALUE = "invalid language-tagged value";
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/**
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* A typed value with an invalid type was detected.
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*/
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const INVALID_TYPED_VALUE = "invalid typed value";
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/**
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* A set object or list object with disallowed members has been detected.
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*/
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const INVALID_SET_OR_LIST_OBJECT = "invalid set or list object";
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/**
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* An invalid value in a language map has been detected. It has to be
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* a string or an array of strings.
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*/
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const INVALID_LANGUAGE_MAP_VALUE = "invalid language map value";
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/**
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* The compacted document contains a list of lists as multiple lists
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* have been compacted to the same term.
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*/
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const COMPACTION_TO_LIST_OF_LISTS = "compaction to list of lists";
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/**
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* An invalid reverse property map has been detected. No keywords apart
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* from @context are allowed in reverse property maps.
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*/
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const INVALID_REVERSE_PROPERTY_MAP = "invalid reverse property map";
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/**
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* An invalid value for an @reverse member has been detected, i.e., the
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* value was not a JSON object.
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*/
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const INVALID_REVERSE_VALUE = "invalid @reverse value";
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/**
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* An invalid value for a reverse property has been detected. The value
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* of an inverse property must be a node object.
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*/
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const INVALID_REVERSE_PROPERTY_VALUE = "invalid reverse property value";
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/**
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* The JSON-LD snippet that triggered the error
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*
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* @var null|string
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*/
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private $snippet;
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/**
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* The document that triggered the error
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*
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* @var null|string
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*/
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private $document;
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/**
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* The raw error message (containing place-holders)
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*
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* @var string
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*/
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private $rawMessage;
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/**
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* Constructor.
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*
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* @param string $code The error code
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* @param null|string $message The error message
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* @param null|mixed $snippet The code snippet
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* @param null|string $document The document that triggered the error
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* @param null|\Exception $previous The previous exception
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*/
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public function __construct($code, $message = null, $snippet = null, $document = null, \Exception $previous = null)
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{
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$this->code = $code;
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$this->document = $document;
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$this->snippet = ($snippet) ? JsonLD::toString($snippet) : $snippet;
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$this->rawMessage = $message;
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$this->updateMessage();
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parent::__construct($this->message, 0, $previous);
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}
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/**
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* Gets the snippet of code near the error.
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*
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* @return null|string The snippet of code
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*/
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public function getSnippet()
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{
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return $this->snippet;
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}
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/**
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* Gets the document that triggered the error
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*
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* @return null|string The document that triggered the error
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*/
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public function getParsedFile()
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{
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return $this->document;
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}
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/**
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* Updates the exception message by including the file name if available.
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*/
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private function updateMessage()
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{
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$this->message = $this->rawMessage;
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$dot = false;
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if ('.' === substr($this->message, -1)) {
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$this->message = substr($this->message, 0, -1);
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$dot = true;
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}
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if (null !== $this->document) {
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$this->message .= sprintf(' in %s', $this->document);
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}
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if ($this->snippet) {
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$this->message .= sprintf(' (near %s)', $this->snippet);
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}
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if ($dot) {
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$this->message .= '.';
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}
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}
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}
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