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php-json-ld
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Add more error codes, fix error params.

This commit is contained in:
Dave Longley 2013-09-14 13:58:40 -04:00
parent 2a2cf85be9
commit c884d39621
1 changed files with 58 additions and 43 deletions
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101
jsonld.php
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@ -300,7 +300,9 @@ function jsonld_default_document_loader($url) {
}));
$result = @file_get_contents($url, false, $stream);
if($result === false) {
throw new Exception("Could not GET url: '$url'");
throw new JsonLdException(
'Could not retrieve a JSON-LD document from the URL.',
'jsonld.LoadDocumentError', 'loading document failed');
}
$redirs = count($redirects);
if($redirs > 0) {
@ -702,7 +704,7 @@ class JsonLdProcessor {
if($ctx === null) {
throw new JsonLdException(
'The compaction context must not be null.',
'jsonld.CompactError');
'jsonld.CompactError', 'invalid local context');
}
// nothing to compact
@ -729,7 +731,7 @@ class JsonLdProcessor {
catch(JsonLdException $e) {
throw new JsonLdException(
'Could not expand input before compaction.',
'jsonld.CompactError', null, $e);
'jsonld.CompactError', null, null, $e);
}
}
@ -741,7 +743,7 @@ class JsonLdProcessor {
catch(JsonLdException $e) {
throw new JsonLdException(
'Could not process context before compaction.',
'jsonld.CompactError', null, $e);
'jsonld.CompactError', null, null, $e);
}
// do compaction
@ -870,7 +872,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not perform JSON-LD expansion.',
'jsonld.ExpandError', null, $e);
'jsonld.ExpandError', null, null, $e);
}
$active_ctx = $this->_getInitialContext($options);
@ -928,7 +930,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not expand input before flattening.',
'jsonld.FlattenError', null, $e);
'jsonld.FlattenError', null, null, $e);
}
// do flattening
@ -947,7 +949,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not compact flattened output.',
'jsonld.FlattenError', null, $e);
'jsonld.FlattenError', null, null, $e);
}
return $compacted;
@ -1012,7 +1014,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not expand input before framing.',
'jsonld.FrameError', null, $e);
'jsonld.FrameError', null, null, $e);
}
try {
@ -1024,7 +1026,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not expand frame before framing.',
'jsonld.FrameError', null, $e);
'jsonld.FrameError', null, null, $e);
}
// do framing
@ -1040,7 +1042,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not compact framed output.',
'jsonld.FrameError', null, $e);
'jsonld.FrameError', null, null, $e);
}
$compacted = $result['compacted'];
@ -1084,7 +1086,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not convert input to RDF dataset before normalization.',
'jsonld.NormalizeError', null, $e);
'jsonld.NormalizeError', null, null, $e);
}
// do normalization
@ -1127,7 +1129,7 @@ class JsonLdProcessor {
!property_exists($jsonld_rdf_parsers, $options['format'])) {
throw new JsonLdException(
'Unknown input format.',
'jsonld.UnknownFormat', array('format' => $options['format']));
'jsonld.UnknownFormat', null, array('format' => $options['format']));
}
if($this->rdfParsers !== null) {
$callable = $this->rdfParsers->{$options['format']};
@ -1170,7 +1172,7 @@ class JsonLdProcessor {
catch(JsonLdException $e) {
throw new JsonLdException(
'Could not expand input before serialization to RDF.',
'jsonld.RdfError', $e);
'jsonld.RdfError', null, null, $e);
}
// create node map for default graph (and any named graphs)
@ -1200,8 +1202,8 @@ class JsonLdProcessor {
}
else {
throw new JsonLdException(
'Unknown output format.',
'jsonld.UnknownFormat', array('format' => $options['format']));
'Unknown output format.', 'jsonld.UnknownFormat',
null, array('format' => $options['format']));
}
}
@ -1243,7 +1245,7 @@ class JsonLdProcessor {
catch(Exception $e) {
throw new JsonLdException(
'Could not process JSON-LD context.',
'jsonld.ContextError', null, $e);
'jsonld.ContextError', null, null, $e);
}
// process context
@ -1541,7 +1543,7 @@ class JsonLdProcessor {
if(!preg_match($quad, $line, $match)) {
throw new JsonLdException(
'Error while parsing N-Quads; invalid quad.',
'jsonld.ParseError', array('line' => $line_number));
'jsonld.ParseError', null, array('line' => $line_number));
}
// create RDF triple
@ -2005,8 +2007,8 @@ class JsonLdProcessor {
'JSON-LD compact error; property has a "@list" @container ' .
'rule but there is more than a single @list that matches ' .
'the compacted term in the document. Compaction might mix ' .
'unwanted items into the list.',
'jsonld.SyntaxError');
'unwanted items into the list.', 'jsonld.SyntaxError',
'compaction to list of lists');
}
}
@ -2704,7 +2706,7 @@ class JsonLdProcessor {
}
throw new JsonLdException(
'Unknown output format.',
'jsonld.UnknownFormat', array('format' => $options['format']));
'jsonld.UnknownFormat', null, array('format' => $options['format']));
}
// return RDF dataset
@ -2918,7 +2920,8 @@ class JsonLdProcessor {
if(!is_object($ctx)) {
throw new JsonLdException(
'Invalid JSON-LD syntax; @context must be an object.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid local context',
array('context' => $ctx));
}
// get context from cache if available
@ -2950,13 +2953,13 @@ class JsonLdProcessor {
throw new JsonLdException(
'Invalid JSON-LD syntax; the value of "@base" in a ' .
'@context must be a string or null.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid base IRI', array('context' => $ctx));
}
else if($base !== '' && !self::_isAbsoluteIri($base)) {
throw new JsonLdException(
'Invalid JSON-LD syntax; the value of "@base" in a ' .
'@context must be an absolute IRI or the empty string.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid base IRI', array('context' => $ctx));
}
$rval->{'@base'} = jsonld_parse_url($base);
$defined->{'@base'} = true;
@ -2972,13 +2975,15 @@ class JsonLdProcessor {
throw new JsonLdException(
'Invalid JSON-LD syntax; the value of "@vocab" in a ' .
'@context must be a string or null.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid vocab mapping',
array('context' => $ctx));
}
else if(!self::_isAbsoluteIri($value)) {
throw new JsonLdException(
'Invalid JSON-LD syntax; the value of "@vocab" in a ' .
'@context must be an absolute IRI.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid vocab mapping',
array('context' => $ctx));
}
else {
$rval->{'@vocab'} = $value;
@ -2996,7 +3001,8 @@ class JsonLdProcessor {
throw new JsonLdException(
'Invalid JSON-LD syntax; the value of "@language" in a ' .
'@context must be a string or null.',
'jsonld.SyntaxError', array('context' => $ctx));
'jsonld.SyntaxError', 'invalid default language',
array('context' => $ctx));
}
else {
$rval->{'@language'} = strtolower($value);
@ -3036,7 +3042,8 @@ class JsonLdProcessor {
if(!is_string($item)) {
throw new JsonLdException(
'Invalid JSON-LD syntax; language map values must be strings.',
'jsonld.SyntaxError', array('languageMap', $language_map));
'jsonld.SyntaxError', 'invalid language map value',
array('languageMap', $language_map));
}
$rval[] = (object)array(
'@value' => $item,
@ -3505,7 +3512,8 @@ class JsonLdProcessor {
if($property === '@index' && property_exists($subject, '@index')) {
throw new JsonLdException(
'Invalid JSON-LD syntax; conflicting @index property detected.',
'jsonld.SyntaxError', array('subject' => $subject));
'jsonld.SyntaxError', 'conflicting indexes',
array('subject' => $subject));
}
$subject->{$property} = $input->{$property};
continue;
@ -3755,7 +3763,7 @@ class JsonLdProcessor {
if(!is_array($frame) || count($frame) !== 1 || !is_object($frame[0])) {
throw new JsonLdException(
'Invalid JSON-LD syntax; a JSON-LD frame must be a single object.',
'jsonld.SyntaxError', array('frame' => $frame));
'jsonld.SyntaxError', null, array('frame' => $frame));
}
}
@ -5012,7 +5020,8 @@ class JsonLdProcessor {
if(count(get_object_vars($cycles)) > self::MAX_CONTEXT_URLS) {
throw new JsonLdException(
'Maximum number of @context URLs exceeded.',
'jsonld.ContextUrlError', array('max' => self::MAX_CONTEXT_URLS));
'jsonld.ContextUrlError', 'loading remote context failed',
array('max' => self::MAX_CONTEXT_URLS));
}
// for tracking the URLs to retrieve
@ -5035,7 +5044,8 @@ class JsonLdProcessor {
if(property_exists($cycles, $url)) {
throw new JsonLdException(
'Cyclical @context URLs detected.',
'jsonld.ContextUrlError', array('url' => $url));
'jsonld.ContextUrlError', 'recursive context inclusion',
array('url' => $url));
}
$_cycles = self::copy($cycles);
$_cycles->{$url} = true;
@ -5052,25 +5062,30 @@ class JsonLdProcessor {
break;
case JSON_ERROR_DEPTH:
throw new JsonLdException(
'Could not parse JSON from URL; the maximum stack depth has ' .
'been exceeded.', 'jsonld.ParseError', array('url' => $url));
'Could not parse JSON from URL; the maximum stack depth has ' .
'been exceeded.', 'jsonld.ParseError', 'invalid remote context',
array('url' => $url));
case JSON_ERROR_STATE_MISMATCH:
throw new JsonLdException(
'Could not parse JSON from URL; invalid or malformed JSON.',
'jsonld.ParseError', array('url' => $url));
'Could not parse JSON from URL; invalid or malformed JSON.',
'jsonld.ParseError', 'invalid remote context',
array('url' => $url));
case JSON_ERROR_CTRL_CHAR:
case JSON_ERROR_SYNTAX:
throw new JsonLdException(
'Could not parse JSON from URL; syntax error, malformed JSON.',
'jsonld.ParseError', array('url' => $url));
'Could not parse JSON from URL; syntax error, malformed JSON.',
'jsonld.ParseError', 'invalid remote context',
array('url' => $url));
case JSON_ERROR_UTF8:
throw new JsonLdException(
'Could not parse JSON from URL; malformed UTF-8 characters.',
'jsonld.ParseError', array('url' => $url));
'Could not parse JSON from URL; malformed UTF-8 characters.',
'jsonld.ParseError', 'invalid remote context',
array('url' => $url));
default:
throw new JsonLdException(
'Could not parse JSON from URL; unknown error.',
'jsonld.ParseError', array('url' => $url));
'Could not parse JSON from URL; unknown error.',
'jsonld.ParseError', 'invalid remote context',
array('url' => $url));
}
}
@ -5078,7 +5093,7 @@ class JsonLdProcessor {
if(!is_object($ctx)) {
throw new JsonLdException(
'Derefencing a URL did not result in a valid JSON-LD object.',
'jsonld.InvalidUrl', array('url' => $url));
'jsonld.InvalidUrl', 'invalid remote context', array('url' => $url));
}
// use empty context if no @context key is present
@ -5324,7 +5339,7 @@ class JsonLdProcessor {
throw new JsonLdException(
'Invalid JSON-LD syntax; "@type" value must a string, an array ' .
'of strings, or an empty object.',
'jsonld.SyntaxError', array('value' => $v));
'jsonld.SyntaxError', 'invalid type value', array('value' => $v));
}
}