<?php
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . 'common.php';
// create and configure the node connecton object
$node = new Services_HyperEstraier_Node();
$node->setUrl($uri);
// create a search condition object
$cond = new Services_HyperEstraier_Condition();
$cond->setPhrase('water AND mind');
$cond->setMax(10);
$cond->setSkip(0);
// get the result of search
$nres = $node->search($cond, 0);
if ($nres) {
if ($nres->docNum() == 0) {
fprintf(STDOUT, "%s: not found.\n", $cond->getPhrase());
} else {
foreach ($nres as $rdoc) {
// display attributes
if (($value = $rdoc->getAttribute('@uri')) !== null) {
fprintf(STDOUT, "URI: %s\n", $value);
}
if (($value = $rdoc->getAttribute('@title')) !== null) {
fprintf(STDOUT, "Title: %s\n", $value);
}
// display the snippet text (with property overloading)
fprintf(STDOUT, "%s", $rdoc->snippet);
}
}
} else {
fprintf(STDERR, "error: %d\n", $node->status);
/**
* Serialize a condition object into a query string.
*
* @param object $cond Services_HyperEstraier_Condition
* which is a condition object.
* @param int $depth Depth of meta search
* @param int $wwidth Whole width of a snippet
* @param int $hwidth Width of strings picked up from the beginning of the text
* @param int $awidth Width of strings picked up around each highlighted word
* @return string The serialized string.
* @access public
* @static
* @ignore
*/
public static function conditionToQuery(Services_HyperEstraier_Condition $cond, $depth, $wwidth, $hwidth, $awidth)
{
$query = '';
if ($phrase = $cond->getPhrase()) {
$query .= '&phrase=' . urlencode($phrase);
}
if ($attrs = $cond->getAttributes()) {
$i = 0;
foreach ($attrs as $attr) {
$query .= '&attr' . strval(++$i) . '=' . urlencode($attr);
}
}
if (strlen($order = $cond->getOrder()) > 0) {
$query .= '&order=' . urlencode($order);
}
$query .= '&max=' . strval(($max = $cond->getMax()) >= 0 ? $max : 1 << 30);
if (($options = $cond->getOptions()) > 0) {
$query .= '&options=' . strval($options);
}
$query .= '&auxiliary=' . strval($cond->getAuxiliary());
if (strlen($distinct = $cond->getDistinct()) > 0) {
$query .= '&distinct=' . urlencode($distinct);
}
if ($depth > 0) {
$query .= '&depth=' . strval($depth);
}
$query .= '&wwidth=' . strval($wwidth);
$query .= '&hwidth=' . strval($hwidth);
$query .= '&awidth=' . strval($awidth);
$query .= '&skip=' . strval($cond->getSkip());
$query .= '&mask=' . strval($cond->getMask());
return substr($query, 1);
}
/**
* Search for documents corresponding a phrase.
*
* @param string $url The url of a node server.
* Also includes the username and the password.
* @param string $phrase A search phrase.
* @param int $limit The maximum number of retrieval.
* By default, the number of retrieval is not limited.
* @param int $offset The number of documents to be skipped.
* By default, it is 0.
* @return object Services_HyperEstraier_NodeResult
* A node result object.
* On error, returns `null'.
* @throws InvalidArgumentException
* @access public
* @static
*/
public static function search($url, $phrase, $limit = -1, $offset = 0)
{
$node = self::_getNode($url);
$cond = new Services_HyperEstraier_Condition();
$cond->setPhrase($phrase);
$cond->setMax($limit);
$cond->setSkip($offset);
return $node->search($cond, 0);
}
