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PhabricatorFerretEngine.php
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PhabricatorFerretEngine.php
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<?php
abstract class PhabricatorFerretEngine extends Phobject {
private $fieldMap = array();
private $ferretFunctions;
private $templateObject;
abstract public function getApplicationName();
abstract public function getScopeName();
abstract public function newSearchEngine();
public function getDefaultFunctionKey() {
return 'all';
}
public function getObjectTypeRelevance() {
return 1000;
}
final public function getFunctionForName($raw_name) {
if (isset($this->fieldMap[$raw_name])) {
return $this->fieldMap[$raw_name];
}
$normalized_name =
FerretSearchFunction::getNormalizedFunctionName($raw_name);
if ($this->ferretFunctions === null) {
$functions = FerretSearchFunction::newFerretSearchFunctions();
$this->ferretFunctions = $functions;
}
if (!isset($this->ferretFunctions[$normalized_name])) {
throw new PhutilSearchQueryCompilerSyntaxException(
pht(
'Unknown search function "%s". Supported functions are: %s. '.
'(To search for a term containing a colon, surround the term '.
'in double quotes.)',
$raw_name,
implode(', ', array_keys($this->ferretFunctions))));
}
$function = $this->ferretFunctions[$normalized_name];
$this->fieldMap[$raw_name] = $function;
return $this->fieldMap[$raw_name];
}
public function newStemmer() {
return new PhutilSearchStemmer();
}
public function newTermsCorpus($raw_corpus) {
$term_corpus = strtr(
$raw_corpus,
array(
'!' => ' ',
'"' => ' ',
'#' => ' ',
'$' => ' ',
'%' => ' ',
'&' => ' ',
'(' => ' ',
')' => ' ',
'*' => ' ',
'+' => ' ',
',' => ' ',
'-' => ' ',
'/' => ' ',
':' => ' ',
';' => ' ',
'<' => ' ',
'=' => ' ',
'>' => ' ',
'?' => ' ',
'@' => ' ',
'[' => ' ',
'\\' => ' ',
']' => ' ',
'^' => ' ',
'`' => ' ',
'{' => ' ',
'|' => ' ',
'}' => ' ',
'~' => ' ',
'.' => ' ',
'_' => ' ',
"\n" => ' ',
"\r" => ' ',
"\t" => ' ',
));
// NOTE: Single quotes divide terms only if they're at a word boundary.
// In contractions, like "whom'st've", the entire word is a single term.
$term_corpus = preg_replace('/(^| )[\']+/', ' ', $term_corpus);
$term_corpus = preg_replace('/[\']+( |$)/', ' ', $term_corpus);
$term_corpus = preg_replace('/\s+/u', ' ', $term_corpus);
$term_corpus = trim($term_corpus, ' ');
if (strlen($term_corpus)) {
$term_corpus = ' '.$term_corpus.' ';
}
return $term_corpus;
}
/* -( Schema )------------------------------------------------------------- */
public function getDocumentTableName() {
$application = $this->getApplicationName();
$scope = $this->getScopeName();
return "{$application}_{$scope}_fdocument";
}
public function getDocumentSchemaColumns() {
return array(
'id' => 'auto',
'objectPHID' => 'phid',
'isClosed' => 'bool',
'authorPHID' => 'phid?',
'ownerPHID' => 'phid?',
'epochCreated' => 'epoch',
'epochModified' => 'epoch',
);
}
public function getDocumentSchemaKeys() {
return array(
'PRIMARY' => array(
'columns' => array('id'),
'unique' => true,
),
'key_object' => array(
'columns' => array('objectPHID'),
'unique' => true,
),
'key_author' => array(
'columns' => array('authorPHID'),
),
'key_owner' => array(
'columns' => array('ownerPHID'),
),
'key_created' => array(
'columns' => array('epochCreated'),
),
'key_modified' => array(
'columns' => array('epochModified'),
),
);
}
public function getFieldTableName() {
$application = $this->getApplicationName();
$scope = $this->getScopeName();
return "{$application}_{$scope}_ffield";
}
public function getFieldSchemaColumns() {
return array(
'id' => 'auto',
'documentID' => 'uint32',
'fieldKey' => 'text4',
'rawCorpus' => 'sort',
'termCorpus' => 'sort',
'normalCorpus' => 'sort',
);
}
public function getFieldSchemaKeys() {
return array(
'PRIMARY' => array(
'columns' => array('id'),
'unique' => true,
),
'key_documentfield' => array(
'columns' => array('documentID', 'fieldKey'),
'unique' => true,
),
);
}
public function getNgramsTableName() {
$application = $this->getApplicationName();
$scope = $this->getScopeName();
return "{$application}_{$scope}_fngrams";
}
public function getNgramsSchemaColumns() {
return array(
'id' => 'auto',
'documentID' => 'uint32',
'ngram' => 'char3',
);
}
public function getNgramsSchemaKeys() {
return array(
'PRIMARY' => array(
'columns' => array('id'),
'unique' => true,
),
'key_ngram' => array(
'columns' => array('ngram', 'documentID'),
),
'key_object' => array(
'columns' => array('documentID'),
),
);
}
public function getCommonNgramsTableName() {
$application = $this->getApplicationName();
$scope = $this->getScopeName();
return "{$application}_{$scope}_fngrams_common";
}
public function getCommonNgramsSchemaColumns() {
return array(
'id' => 'auto',
'ngram' => 'char3',
'needsCollection' => 'bool',
);
}
public function getCommonNgramsSchemaKeys() {
return array(
'PRIMARY' => array(
'columns' => array('id'),
'unique' => true,
),
'key_ngram' => array(
'columns' => array('ngram'),
'unique' => true,
),
'key_collect' => array(
'columns' => array('needsCollection'),
),
);
}
}

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