protected function parseUserValue($value)
{
$value = trim($value);
if ($value == '') {
//do not accept empty strings
$this->addError(wfMsgForContent('smw_emptystring'));
} else {
$parser = new ChemEqParser();
if ($parser->checkFormula($value) === true) {
$this->m_xsdValue = smwfXMLContentEncode($parser->getWikiFormat());
$this->m_html = $parser->getHtmlFormat();
if ($this->m_caption === false) {
$this->m_caption = $this->m_html;
}
$this->m_wikitext = $value;
} else {
$this->addError($value . ":" . $parser->getError() . "<br>");
}
if ($this->m_caption === false) {
$this->m_caption = $value;
}
}
return true;
}
/**
* Checks a chemical equation for syntactical correctness.
*
* Grammar for chemical equations:
* CE := CF [{'+'|'*'|'x'} CF]* [{'<-' | '<->' | '->' } CF [{'+'|'*'|'x'} CF]*]+
* CF is a chemical formula (see checkFormula())
*
* The fields <mError>, <mWikiFormat> and <mHtmlFormat> will be set.
*
* @param string $eq Wiki text of a chemical equation
* @return boolean <true> if the expression is a valid chemical equation,
* <false> otherwise
*/
public function checkEquation($eq)
{
$eq = trim(htmlspecialchars_decode($eq));
$formulaParser = new ChemEqParser();
try {
$result = $this->splitEquation($eq);
$wikiFormat = "";
$htmlFormat = "";
$delimCount = 0;
$delimiters = array('<-', '<->', '->', '+', '*', 'x');
foreach ($result as $term) {
$formulas = $this->splitChemTerm($term);
foreach ($formulas as $formula) {
if (in_array($formula, $delimiters)) {
$delimCount--;
}
switch ($formula) {
case "<-":
$htmlFormat .= ' ← ';
$wikiFormat .= $formula;
break;
case "->":
$htmlFormat .= ' → ';
$wikiFormat .= $formula;
break;
case "<->":
$htmlFormat .= ' ⇌ ';
$wikiFormat .= $formula;
break;
case "+":
$htmlFormat .= ' + ';
$wikiFormat .= $formula;
break;
case "*":
case "x":
$htmlFormat .= '●';
$wikiFormat .= "*";
break;
default:
if ($formulaParser->checkFormula($formula) === true) {
$delimCount++;
$wikiFormat .= $formulaParser->getWikiFormat();
$htmlFormat .= $formulaParser->getHtmlFormat();
} else {
throw new Exception($formulaParser->getError());
}
}
if ($delimCount < 0 || $delimCount > 1) {
throw new Exception(wfMsgForContent('smw_no_alternating_formula', $eq));
}
}
}
if ($delimCount != 1) {
// In the end, there must be one more formula than operators
throw new Exception(wfMsgForContent('smw_no_alternating_formula', $eq));
}
$this->mWikiFormat = $wikiFormat;
$this->mHtmlFormat = $htmlFormat;
$this->mError = "";
return true;
} catch (Exception $e) {
$this->mWikiFormat = "";
$this->mHtmlFormat = "";
$this->mError = $e->getMessage();
return false;
}
}
/**
* Encapsulates an annotation as XML.
*
* @param $instance
* @param $annotation
* @param $smwValues
*
* @return XML string (fragment)
*/
private static function encapsulateAsAnnotation(Title $instance, Title $annotationTitle, $smwValues)
{
$id = uniqid(rand());
$count = 0;
$singleProperties = "";
$multiProperties = "";
$isFormula = false;
$chemistryParser = new ChemEqParser();
$gi_store = SGAGardeningIssuesAccess::getGardeningIssuesAccess();
foreach ($smwValues as $smwValue) {
//list($smwValue, $uri) = $tuple;
if ($smwValue instanceof SMWRecordValue) {
// n-ary property
$needRepaste = false;
$parameters = "";
foreach ($smwValue->getDVs() as $params) {
if ($params == NULL) {
$parameters .= "<param></param>";
continue;
}
if ($params->getTypeID() == '_che') {
$isFormula = true;
$chemistryParser->checkEquation(array_shift($params->getDBkeys()));
$formulaAsHTML = html_entity_decode($chemistryParser->getHtmlFormat());
$value = "<![CDATA[" . $formulaAsHTML . "]]>";
} else {
if ($params->getTypeID() == '_chf') {
$isFormula = true;
$chemistryParser->checkFormula(array_shift($params->getDBkeys()));
$formulaAsHTML = html_entity_decode($chemistryParser->getHtmlFormat());
$value = "<![CDATA[" . $formulaAsHTML . "]]>";
} else {
// escape potential HTML in a CDATA section
$value = "<![CDATA[" . html_entity_decode(array_shift($params->getDBkeys())) . " " . html_entity_decode($params->getUnit()) . "]]>";
}
}
// check if re-paste is needed
$needRepaste |= html_entity_decode(array_shift($params->getDBkeys())) != array_shift($params->getDBkeys()) || $params->getUnit() != '';
// check if target is a wikipage and built param
$isLink = $params instanceof SMWWikiPageValue ? "isLink=\"true\"" : "";
$parameters .= "<param {$isLink}>{$value}</param>";
}
$repasteMarker = $isFormula || $needRepaste ? "needRepaste=\"true\"" : "";
$title = htmlspecialchars($annotationTitle->getDBkey());
$titleURLEscaped = htmlspecialchars(self::urlescape($annotationTitle->getDBkey()));
$issues = $gi_store->getGardeningIssuesForPairs('smw_consistencybot', array(SMW_GARDISSUE_WRONG_DOMAIN_VALUE, SMW_GARDISSUE_TOO_LOW_CARD, SMW_GARDISSUE_TOO_HIGH_CARD, SMW_GARD_ISSUE_MISSING_PARAM, SMW_GARDISSUE_WRONG_TARGET_VALUE), NULL, array($instance, $annotationTitle));
$gi_issues = SMWOntologyBrowserErrorHighlighting::getAnnotationIssuesAsXML($issues, $smwValue);
// no metadata available on n-ary properties
$multiProperties .= "<annotation title_url=\"{$titleURLEscaped}\" title=\"" . $title . "\" id=\"ID_{$id}{$count}\" {$repasteMarker}>" . $parameters . "{$gi_issues}</annotation>";
} else {
if ($smwValue instanceof SMWWikiPageValue || $smwValue->getTypeID() == '_uri') {
// relation
$title = htmlspecialchars($annotationTitle->getDBkey());
$titleURLEscaped = htmlspecialchars(self::urlescape($annotationTitle->getDBkey()));
$issues = $gi_store->getGardeningIssuesForPairs('smw_consistencybot', array(SMW_GARDISSUE_WRONG_DOMAIN_VALUE, SMW_GARDISSUE_TOO_LOW_CARD, SMW_GARDISSUE_TOO_HIGH_CARD, SMW_GARDISSUE_WRONG_TARGET_VALUE), NULL, array($instance, $annotationTitle));
$gi_issues = SMWOntologyBrowserErrorHighlighting::getAnnotationIssuesAsXML($issues, $smwValue);
// metadata
// check if metadata patch is applied
$metadataTags = "<metadata id=\"" . $id . "_meta_" . $count . "\">";
if (method_exists($smwValue, "getMetadataMap")) {
// read metadata
foreach ($smwValue->getMetadataMap() as $mdProperty => $mdValues) {
foreach ($mdValues as $mdValue) {
$metadataTags .= "<property name=\"" . htmlspecialchars($mdProperty) . "\">" . htmlspecialchars($mdValue) . "</property>";
}
}
}
$metadataTags .= "</metadata>";
if ($smwValue instanceof SMWWikiPageValue && !is_null($smwValue->getTitle())) {
$targetNotExists = $smwValue->getTitle()->exists() ? "" : "notexists=\"true\"";
$singleProperties .= "<annotation title_url=\"{$titleURLEscaped}\" title=\"" . $title . "\" id=\"ID_{$id}{$count}\">" . "<param isLink=\"true\" {$targetNotExists}><![CDATA[" . $smwValue->getTitle()->getPrefixedDBkey() . "]]></param>" . $gi_issues . $metadataTags . "</annotation>";
} else {
if ($smwValue->getTypeID() == '_uri') {
// any URI
$uri = $smwValue->getWikiValue();
if (strpos($uri, "#") !== false) {
$local = substr($uri, strpos($uri, "#") + 1);
} else {
if (strrpos($uri, "/") !== false) {
$local = substr($uri, strrpos($uri, "/") + 1);
} else {
$local = $uri;
}
}
$uri_att = 'uri="' . htmlspecialchars($uri) . '"';
$singleProperties .= "<annotation title_url=\"{$titleURLEscaped}\" title=\"" . $title . "\" id=\"ID_{$id}{$count}\">" . "<param isLink=\"true\" {$uri_att}><![CDATA[" . $local . "]]></param>" . $metadataTags . "</annotation>";
}
}
} else {
if ($smwValue != NULL) {
// normal attribute
if ($smwValue->getTypeID() == '_che') {
$isFormula = true;
$chemistryParser->checkEquation(array_shift($smwValue->getDBkeys()));
$formulaAsHTML = html_entity_decode($chemistryParser->getHtmlFormat());
$value = "<![CDATA[" . $formulaAsHTML . "]]>";
}
if ($smwValue->getTypeID() == '_che') {
$isFormula = true;
$chemistryParser->checkEquation(array_shift($smwValue->getDBkeys()));
$formulaAsHTML = html_entity_decode($chemistryParser->getHtmlFormat());
$value = "<![CDATA[" . $formulaAsHTML . "]]>";
} else {
if ($smwValue->getTypeID() == '_chf') {
$isFormula = true;
$chemistryParser->checkFormula(array_shift($smwValue->getDBkey()));
$formulaAsHTML = html_entity_decode($chemistryParser->getHtmlFormat());
$value = "<![CDATA[" . $formulaAsHTML . "]]>";
} else {
// escape potential HTML in a CDATA section
if ($smwValue->getTypeID() == '__typ') {
//SMW_DV_Types
$value = implode(",", $smwValue->getTypeLabels());
$value = strip_tags($value, "<sub><sup><b><i>");
$value = "<![CDATA[" . html_entity_decode($value) . " " . $smwValue->getUnit() . "]]>";
}
if ($smwValue->getTypeID() == '__tls') {
// SMW_DV_TypeList
$value = "<![CDATA[" . html_entity_decode($smwValue->getWikiValue()) . "]]>";
} else {
// small hack for datetime type. It may occur that there is a T at the end.
if ($smwValue->getTypeID() == '_dat') {
$val = array_shift($smwValue->getDBkeys());
$xsdValue = substr($val, -1) == 'T' ? str_replace('T', '', $val) : $val;
} else {
$xsdValue = array_shift($smwValue->getDBkeys());
}
$value = strip_tags($xsdValue, "<sub><sup><b><i>");
$value = "<![CDATA[" . html_entity_decode($value) . " " . $smwValue->getUnit() . "]]>";
}
}
}
//special attribute mark for all things needed to get re-pasted in FF.
$repasteMarker = $isFormula || strip_tags(array_shift($smwValue->getDBkeys())) != array_shift($smwValue->getDBkeys()) || $smwValue->getUnit() != '' ? "needRepaste=\"true\"" : "";
$title = htmlspecialchars($annotationTitle->getDBkey());
$titleURLEscaped = htmlspecialchars(self::urlescape($annotationTitle->getDBkey()));
$issues = $gi_store->getGardeningIssuesForPairs('smw_consistencybot', array(SMW_GARDISSUE_WRONG_DOMAIN_VALUE, SMW_GARDISSUE_TOO_LOW_CARD, SMW_GARDISSUE_TOO_HIGH_CARD, SMW_GARDISSUE_WRONG_UNIT), NULL, array($instance, $annotationTitle));
// gardening issues
$gi_issues = SMWOntologyBrowserErrorHighlighting::getAnnotationIssuesAsXML($issues, $smwValue);
// metadata
// check if metadata patch is applied
$metadataTags = "<metadata id=\"" . $id . "_meta_" . $count . "\">";
if (method_exists($smwValue, "getMetadataMap")) {
// read metadata
foreach ($smwValue->getMetadataMap() as $mdProperty => $mdValues) {
foreach ($mdValues as $mdValue) {
$metadataTags .= "<property name=\"" . htmlspecialchars($mdProperty) . "\">" . htmlspecialchars($mdValue) . "</property>";
}
}
}
$metadataTags .= "</metadata>";
$singleProperties .= "<annotation title_url=\"{$titleURLEscaped}\" title=\"" . $title . "\" id=\"ID_" . $id . $count . "\" {$repasteMarker}>" . "<param>" . $value . "</param>" . $gi_issues . $metadataTags . "</annotation>";
}
}
}
$count++;
}
return $singleProperties . $multiProperties;
}