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<?php
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/**
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* EBSCO Response class
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*
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* PHP version 5
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*
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*
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* Copyright [2017] [EBSCO Information Services]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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require_once 'sanitizer.class.php';
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/**
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* EBSCOResponse class
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*/
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class EBSCOResponse
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{
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/**
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* A SimpleXml object
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* @global object
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*/
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private $response;
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/**
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* Constructor
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*
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* Sets up the EBSCO Response
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*
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* @param none
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*
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* @access public
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*/
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public function __construct($response)
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{
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$this->response = $response;
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}
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/**
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* Returns the XML as an associative array of data
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*
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* @param none
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*
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* @return array An associative array of data
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* @access public
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*/
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public function result()
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{
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if (!empty($this->response->AuthToken)) {
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return $this->buildAuthenticationToken();
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}
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else if (!empty($this->response->SessionToken)) {
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return (string) $this->response->SessionToken;
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}
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else if (!empty($this->response->SearchResult)) {
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return $this->buildSearch();
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}
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else if(!empty($this->response->Record)) {
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return $this->buildRetrieve();
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}
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else if(!empty($this->response->AvailableSearchCriteria)) {
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return $this->buildInfo();
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}
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else { // Should not happen, it may be an exception
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return $this->response;
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}
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}
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/**
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* Parse the SimpleXml object when an AuthenticationToken API call was executed
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*
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* @param none
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*
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* @return array An associative array of data
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* @access private
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*/
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private function buildAuthenticationToken()
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{
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$token = (string) $this->response->AuthToken;
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$timeout = (integer) $this->response->AuthTimeout;
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$result = array(
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'authenticationToken' => $token,
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'authenticationTimeout' => $timeout
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);
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return $result;
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}
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/**
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* Parse a SimpleXml object and
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* return it as an associative array
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*
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* @param none
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*
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* @return array An associative array of data
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* @access private
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*/
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private function buildSearch()
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{
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$hits = (integer) $this->response->SearchResult->Statistics->TotalHits;
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$searchTime = (integer) $this->response->SearchResult->Statistics->TotalSearchTime / 1000;
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$records = array();
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$facets = array();
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if ($hits > 0) {
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$records = $this->buildRecords();
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$facets = $this->buildFacets();
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}
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// research Starters & emp
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$relatedC=null;
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if ($this->response->SearchResult->RelatedContent) {
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$result =json_decode(json_encode($this->response->SearchResult->RelatedContent), TRUE);;
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$relatedC = $result;
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}
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//did you mean / auto suggest
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$autoSuggestTerms=null;
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if ($this->response->SearchResult->AutoSuggestedTerms) {
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$result =json_decode(json_encode($this->response->SearchResult->AutoSuggestedTerms), TRUE);;
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$autoSuggestTerms = $result;
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}
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$results = array(
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'recordCount' => $hits,
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'searchTime' => $searchTime,
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'numFound' => $hits,
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'start' => 0,
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'documents' => $records,
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'relatedContent' => $relatedC,
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'autoSuggestTerms' => $autoSuggestTerms,
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'facets' => $facets
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);
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return $results;
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}
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/**
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* Parse a SimpleXml object and
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* return it as an associative array
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*
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* @param none
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*
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* @return array An associative array of data
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* @access private
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*/
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private function buildRecords()
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{
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$results = array();
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$records = $this->response->SearchResult->Data->Records->Record;
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foreach ($records as $record) {
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$result = array();
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//var_dump($record);
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$result['ResultId'] = $record->ResultId ? (integer) $record->ResultId : '';
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$result['DbId'] = $record->Header->DbId ? (string) $record->Header->DbId : '';
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$result['DbLabel'] = $record->Header->DbLabel ? (string) $record->Header->DbLabel : '';
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$result['An'] = $record->Header->An ? (string) $record->Header->An : '';
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$result['PubType'] = $record->Header->PubType ? (string) $record->Header->PubType : '';
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$result['AccessLevel'] = $record->Header->AccessLevel ? (string) $record->Header->AccessLevel : '';
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$result['id'] = $result['An'] . '|' . $result['DbId'];
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$result['PLink'] = $record->PLink ? (string) $record->PLink : '';
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if (!empty($record->ImageInfo->CoverArt)) {
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foreach ($record->ImageInfo->CoverArt as $image) {
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$size = (string) $image->Size;
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$target = (string) $image->Target;
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$result['ImageInfo'][$size] = $target;
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}
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} else {
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$result['ImageInfo'] = '';
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}
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if ($record->FullText) {
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$availability = (integer) $record->FullText->Text->Availability == 1;
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$links = array();
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//RF 2012-12-18
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if (isset($record->FullText->Links))
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{
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foreach ($record->FullText->Links->Link as $link) {
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$type = (string) $link->Type;
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$url = (string) $link->Url;
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// If we have an empty url when type is pdflink then just return something so
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// that the UI check for empty string will pass.
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$url = empty($url) && $type == 'pdflink' ? 'http://content.ebscohost.com' : $url;
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$links[$type] = $url;
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}
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}
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$result['FullText'] = array(
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'Availability' => $availability,
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'Links' => $links
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);
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}
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if ($record->CustomLinks) {
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$result['CustomLinks'] = array();
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foreach ($record->CustomLinks->CustomLink as $customLink) {
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$category = $customLink->Category ? (string) $customLink->Category : '';
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$icon = $customLink->Icon ? (string) $customLink->Icon : '';
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$mouseOverText = $customLink->MouseOverText ? (string) $customLink->MouseOverText : '';
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$name = $customLink->Name ? (string) $customLink->Name : '';
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$text = $customLink->Text ? (string) $customLink->Text : '';
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$url = $customLink->Url ? (string) $customLink->Url : '';
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$result['CustomLinks'][] = array(
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'Category' => $category,
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'Icon' => $icon,
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'MouseOverText' => $mouseOverText,
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'Name' => $name,
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'Text' => $text,
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'Url' => $url
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);
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}
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}
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if($record->Items) {
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$result['Items'] = array();
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foreach ($record->Items->Item as $item) {
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$name = $item->Name ? (string) $item->Name : '';
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$label = $item->Label ? (string) $item->Label : '';
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$group = $item->Group ? (string) $item->Group : '';
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$data = $item->Data ? (string) $item->Data : '';
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$result['Items'][$name] = array(
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'Name' => $name,
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'Label' => $label,
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'Group' => $group,
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'Data' => $this->toHTML($data, $group)
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);
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}
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}
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$results[] = $result;
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}
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return $results;
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}
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/**
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* Parse a SimpleXml object and
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* return it as an associative array
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*
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* @param none
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*
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* @return array An associative array of data
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* @access private
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*/
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private function buildFacets()
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{
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$results = array();
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$facets = $this->response->SearchResult->AvailableFacets->AvailableFacet;
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if ($facets) {
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foreach ($facets as $facet) {
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$values = array();
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foreach ($facet->AvailableFacetValues->AvailableFacetValue as $value) {
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$this_value = (string) $value->Value;
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$this_value = str_replace(array('\(','\)'), array('(', ')'), $this_value);
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$this_action = (string) $value->AddAction;
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$this_action = str_replace(array('\(','\)'), array('(', ')'), $this_action);
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$values[] = array(
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'Value' => $this_value,
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'Action' => $this_action,
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'Count' => (string) $value->Count
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);
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}
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$id = (string) $facet->Id;
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$label = (string) $facet->Label;
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if (!empty($label)) {
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$results[] = array(
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'Id' => $id,
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'Label' => $label,
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'Values' => $values,
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'isApplied' => false
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);
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}
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}
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}
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return $results;
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}
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/**
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* Parse a SimpleXml object and
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* return it as an associative array
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*
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* @param none
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*
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* @return array An associative array of data
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* @access private
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*/
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private function buildInfo()
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{
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// Sort options
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$elements = $this->response->AvailableSearchCriteria->AvailableSorts->AvailableSort;
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$sort = array();
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foreach ($elements as $element) {
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$sort[] = array(
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'Id' => (string) $element->Id,
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'Label' => (string) $element->Label,
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'Action' => (string) $element->AddAction
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);
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}
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// Search fields
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$elements = $this->response->AvailableSearchCriteria->AvailableSearchFields->AvailableSearchField;
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$tags = array();
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foreach ($elements as $element) {
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$tags[] = array(
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'Label' => (string) $element->Label,
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'Code' => (string) $element->FieldCode
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);
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}
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// Expanders
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$elements = $this->response->AvailableSearchCriteria->AvailableExpanders->AvailableExpander;
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$expanders = array();
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foreach ($elements as $element) {
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$expanders[] = array(
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'Id' => (string) $element->Id,
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'Label' => (string) $element->Label,
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'Action' => (string) $element->AddAction,
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'selected' => false // Added because of the checkboxes
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);
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}
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// RelatedContent
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$elements = $this->response->AvailableSearchCriteria->AvailableRelatedContent->AvailableRelatedContent;
|
|
|
|
|
$relatedContent = array();
|
|
|
|
|
foreach ($elements as $element) {
|
|
|
|
|
$relatedContent[] = array(
|
|
|
|
|
'Type' => (string) $element->Type,
|
|
|
|
|
'Label' => (string) $element->Label,
|
|
|
|
|
'Action' => (string) $element->AddAction,
|
|
|
|
|
'DefaultOn' => (string) $element->DefaultOn
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Did you mean
|
|
|
|
|
$elements = $this->response->AvailableSearchCriteria->AvailableDidYouMeanOptions->AvailableDidYouMeanOption;
|
|
|
|
|
$didYouMean = array();
|
|
|
|
|
foreach ($elements as $element) {
|
|
|
|
|
$didYouMean[] = array(
|
|
|
|
|
'Id' => (string) $element->Id,
|
|
|
|
|
'Label' => (string) $element->Label,
|
|
|
|
|
'DefaultOn' => (string) $element->DefaultOn
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Limiters
|
|
|
|
|
$elements = $this->response->AvailableSearchCriteria->AvailableLimiters->AvailableLimiter;
|
|
|
|
|
$limiters = array();
|
|
|
|
|
$values = array();
|
|
|
|
|
foreach ($elements as $element) {
|
|
|
|
|
if ($element->LimiterValues) {
|
|
|
|
|
$items = $element->LimiterValues->LimiterValue;
|
|
|
|
|
foreach($items as $item) {
|
|
|
|
|
$values[] = array(
|
|
|
|
|
'Value' => (string) $item->Value,
|
|
|
|
|
'Action' => (string) $item->AddAction,
|
|
|
|
|
'selected' => false // Added because of the checkboxes
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
$limiters[] = array(
|
|
|
|
|
'Id' => (string) $element->Id,
|
|
|
|
|
'Label' => (string) $element->Label,
|
|
|
|
|
'Action' => (string) $element->AddAction,
|
|
|
|
|
'Type' => (string) $element->Type,
|
|
|
|
|
'Values' => $values,
|
|
|
|
|
'selected' => false
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$result = array(
|
|
|
|
|
'sort' => $sort,
|
|
|
|
|
'tags' => $tags,
|
|
|
|
|
'expanders' => $expanders,
|
|
|
|
|
'limiters' => $limiters,
|
|
|
|
|
'relatedContent' => $relatedContent,
|
|
|
|
|
'didYouMean' => $didYouMean
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
return $result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Parse a SimpleXml object and
|
|
|
|
|
* return it as an associative array
|
|
|
|
|
*
|
|
|
|
|
* @param none
|
|
|
|
|
*
|
|
|
|
|
* @return array An associative array of data
|
|
|
|
|
* @access private
|
|
|
|
|
*/
|
|
|
|
|
private function buildRetrieve()
|
|
|
|
|
{
|
|
|
|
|
$record = $this->response->Record;
|
|
|
|
|
if ($record) {
|
|
|
|
|
$record = $record[0]; // there is only one record
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$result = array();
|
|
|
|
|
$result['DbId'] = $record->Header->DbId ? (string) $record->Header->DbId : '';
|
|
|
|
|
$result['DbLabel'] = $record->Header->DbLabel ? (string) $record->Header->DbLabel : '';
|
|
|
|
|
$result['An'] = $record->Header->An ? (string) $record->Header->An : '';
|
|
|
|
|
$result['id'] = $result['An'] . '|' . $result['DbId'];
|
|
|
|
|
$result['PubType'] = $record->Header->PubType ? (string) $record->Header->PubType : '';
|
|
|
|
|
$result['AccessLevel'] = $record->Header->AccessLevel ? (string) $record->Header->AccessLevel : '';
|
|
|
|
|
$result['PLink'] = $record->PLink ? (string) $record->PLink : '';
|
|
|
|
|
if (!empty($record->ImageInfo->CoverArt)) {
|
|
|
|
|
foreach ($record->ImageInfo->CoverArt as $image) {
|
|
|
|
|
$size = (string) $image->Size;
|
|
|
|
|
$target = (string) $image->Target;
|
|
|
|
|
$result['ImageInfo'][$size] = $target;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
$result['ImageInfo'] = '';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ($record->FullText) {
|
|
|
|
|
$availability = (integer) ($record->FullText->Text->Availability) == 1;
|
|
|
|
|
$links = array();
|
|
|
|
|
foreach ($record->FullText->Links->Link as $link) {
|
|
|
|
|
$type = (string) $link->Type;
|
|
|
|
|
$url = (string) $link->Url;
|
|
|
|
|
// If we have an empty url when type is pdflink then just return something so
|
|
|
|
|
// that the UI check for empty string will pass.
|
|
|
|
|
$url = empty($url) && $type == 'pdflink' ? 'http://content.ebscohost.com' : $url;
|
|
|
|
|
$links[$type] = $url;
|
|
|
|
|
}
|
|
|
|
|
$value = $this->toHTML($record->FullText->Text->Value);
|
|
|
|
|
$result['FullText'] = array(
|
|
|
|
|
'Availability' => $availability,
|
|
|
|
|
'Links' => $links,
|
|
|
|
|
'Value' => $value
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ($record->CustomLinks) {
|
|
|
|
|
$result['CustomLinks'] = array();
|
|
|
|
|
foreach ($record->CustomLinks->CustomLink as $customLink) {
|
|
|
|
|
$category = $customLink->Category ? (string) $customLink->Category : '';
|
|
|
|
|
$icon = $customLink->Icon ? (string) $customLink->Icon : '';
|
|
|
|
|
$mouseOverText = $customLink->MouseOverText ? (string) $customLink->MouseOverText : '';
|
|
|
|
|
$name = $customLink->Name ? (string) $customLink->Name : '';
|
|
|
|
|
$text = $customLink->Text ? (string) $customLink->Text : '';
|
|
|
|
|
$url = $customLink->Url ? (string) $customLink->Url : '';
|
|
|
|
|
$result['CustomLinks'][] = array(
|
|
|
|
|
'Category' => $category,
|
|
|
|
|
'Icon' => $icon,
|
|
|
|
|
'MouseOverText' => $mouseOverText,
|
|
|
|
|
'Name' => $name,
|
|
|
|
|
'Text' => $text,
|
|
|
|
|
'Url' => $url
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if($record->Items) {
|
|
|
|
|
$result['Items'] = array();
|
|
|
|
|
foreach ($record->Items->Item as $item) {
|
|
|
|
|
$name = $item->Name ? (string) $item->Name : '';
|
|
|
|
|
$label = $item->Label ? (string) $item->Label : '';
|
|
|
|
|
$group = $item->Group ? (string) $item->Group : '';
|
|
|
|
|
$data = $item->Data ? (string) $item->Data : '';
|
|
|
|
|
$result['Items'][$name] = array(
|
|
|
|
|
'Name' => $name,
|
|
|
|
|
'Label' => $label,
|
|
|
|
|
'Group' => $group,
|
|
|
|
|
'Data' => $this->toHTML($data, $group)
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return $result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Parse a SimpleXml element and
|
|
|
|
|
* return it's inner XML as an HTML string
|
|
|
|
|
*
|
|
|
|
|
* @param SimpleXml $element A SimpleXml DOM
|
|
|
|
|
*
|
|
|
|
|
* @return string The HTML string
|
|
|
|
|
* @access protected
|
|
|
|
|
*/
|
|
|
|
|
private function toHTML($data, $group = null)
|
|
|
|
|
{
|
|
|
|
|
// Any group can be added here, but we only use Au (Author)
|
|
|
|
|
// Other groups, not present here, won't be transformed to HTML links
|
|
|
|
|
$allowed_searchlink_groups = array('au');
|
|
|
|
|
|
|
|
|
|
// Map xml tags to the HTML tags
|
|
|
|
|
// This is just a small list, the total number of xml tags is far more greater
|
|
|
|
|
$xml_to_html_tags = array(
|
|
|
|
|
'<jsection' => '<section',
|
|
|
|
|
'</jsection' => '</section',
|
|
|
|
|
'<highlight' => '<span class="highlight"',
|
|
|
|
|
'<highligh' => '<span class="highlight"', // Temporary bug fix
|
|
|
|
|
'</highlight>' => '</span>', // Temporary bug fix
|
|
|
|
|
'</highligh' => '</span>',
|
|
|
|
|
'<text' => '<div',
|
|
|
|
|
'</text' => '</div',
|
|
|
|
|
'<title' => '<h2',
|
|
|
|
|
'</title' => '</h2',
|
|
|
|
|
'<anid' => '<p',
|
|
|
|
|
'</anid' => '</p',
|
|
|
|
|
'<aug' => '<p class="aug"',
|
|
|
|
|
'</aug' => '</p',
|
|
|
|
|
'<hd' => '<h3',
|
|
|
|
|
'</hd' => '</h3',
|
|
|
|
|
'<linebr' => '<br',
|
|
|
|
|
'</linebr' => '',
|
|
|
|
|
'<olist' => '<ol',
|
|
|
|
|
'</olist' => '</ol',
|
|
|
|
|
'<reflink' => '<a',
|
|
|
|
|
'</reflink' => '</a',
|
|
|
|
|
'<blist' => '<p class="blist"',
|
|
|
|
|
'</blist' => '</p',
|
|
|
|
|
'<bibl' => '<a',
|
|
|
|
|
'</bibl' => '</a',
|
|
|
|
|
'<bibtext' => '<span',
|
|
|
|
|
'</bibtext' => '</span',
|
|
|
|
|
'<ref' => '<div class="ref"',
|
|
|
|
|
'</ref' => '</div',
|
|
|
|
|
'<ulink' => '<a',
|
|
|
|
|
'</ulink' => '</a',
|
|
|
|
|
'<superscript' => '<sup',
|
|
|
|
|
'</superscript'=> '</sup',
|
|
|
|
|
'<relatesTo' => '<sup',
|
|
|
|
|
'</relatesTo' => '</sup'
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
// Map xml types to Search types used by the UI
|
|
|
|
|
$xml_to_search_types = array(
|
|
|
|
|
'au' => 'Author',
|
|
|
|
|
'su' => 'Subject'
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
// The XML data is XML escaped, let's unescape html entities (e.g. < => <)
|
|
|
|
|
$data = html_entity_decode($data);
|
|
|
|
|
|
|
|
|
|
// Start parsing the xml data
|
|
|
|
|
if (!empty($data)) {
|
|
|
|
|
// Replace the XML tags with HTML tags
|
|
|
|
|
$search = array_keys($xml_to_html_tags);
|
|
|
|
|
$replace = array_values($xml_to_html_tags);
|
|
|
|
|
$data = str_replace($search, $replace, $data);
|
|
|
|
|
|
|
|
|
|
// Temporary : fix unclosed tags
|
|
|
|
|
$data = preg_replace('/<\/highlight/', '</span>', $data);
|
|
|
|
|
$data = preg_replace('/<\/span>>/', '</span>', $data);
|
|
|
|
|
$data = preg_replace('/<\/searchLink/', '</searchLink>', $data);
|
|
|
|
|
$data = preg_replace('/<\/searchLink>>/', '</searchLink>', $data);
|
|
|
|
|
|
|
|
|
|
// Parse searchLinks
|
|
|
|
|
if (!empty($group)) {
|
|
|
|
|
$group = strtolower($group);
|
|
|
|
|
if (in_array($group, $allowed_searchlink_groups)) {
|
|
|
|
|
$type = $xml_to_search_types[$group];
|
|
|
|
|
$path = url('ebsco/results', array('query' => array('type' => $type)));
|
|
|
|
|
$link_xml = '/<searchLink fieldCode="([^\"]*)" term="%22([^\"]*)%22">/';
|
|
|
|
|
$link_html = "<a href=\"{$path}&lookfor=$2\">";
|
|
|
|
|
$data = preg_replace($link_xml, $link_html, $data);
|
|
|
|
|
$data = str_replace('</searchLink>', '</a>', $data);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Replace the rest of searchLinks with simple spans
|
|
|
|
|
$link_xml = '/<searchLink fieldCode="([^\"]*)" term="%22([^\"]*)%22">/';
|
|
|
|
|
$link_html = '<span>';
|
|
|
|
|
$data = preg_replace($link_xml, $link_html, $data);
|
|
|
|
|
$data = str_replace('</searchLink>', '</span>', $data);
|
|
|
|
|
|
|
|
|
|
// Parse bibliography (anchors and links)
|
|
|
|
|
$data = preg_replace('/<a idref="([^\"]*)"/', '<a href="#$1"', $data);
|
|
|
|
|
$data = preg_replace('/<a id="([^\"]*)" idref="([^\"]*)" type="([^\"]*)"/', '<a id="$1" href="#$2"', $data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$sanitizer = new HTML_Sanitizer;
|
|
|
|
|
$data = $sanitizer->sanitize($data);
|
|
|
|
|
|
|
|
|
|
return $data;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
?>
|
