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bibtex.php
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bibtex.php
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<?php
/*
*
* SmartBIB: The SmartBIB Project allows you to present a BIB database (
* .bibtex files) containing your publications on the web.
* It is ideal for personal and project websites.
*
* Copyright (C) 2012 Georgios Larkou - DMSL - University of Cyprus
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Υou should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
class BibTeX_Parser
{
var $count;
var $items;
var $sortedItems;
var $types;
var $filename;
var $inputdata;
var $yearData = array();
var $lastType;
var $resultedHtml;
/**
* BibTeX_Parser( $file, $data )
*
* Constructor
* @param String $file if filename is used
* @param String $data if input is a string
*/
function parser( $file = null, $data = null ) {
$this->items = array(
'note' => array(),
'abstract' => array(),
'year' => array(),
'group' => array(),
'publisher' => array(),
'location' => array(),
'articleno' => array(),
'numpages' => array(),
'doi' => array(),
'page-start' => array(),
'page-end' => array(),
'pages' => array(),
'address' => array(),
'url' => array(),
'volume' => array(),
'chapter' => array(),
'journal' => array(),
'author' => array(),
'raw' => array(),
'title' => array(),
'booktitle' => array(),
'folder' => array(),
'type' => array(),
'series' => array(),
'linebegin' => array(),
'lineend' => array(),
'durl' => array(),
'powerpoint' => array(),
'infosite' => array(),
'website' => array()
);
if( $file )
$this->filename = $file;
elseif( $data )
$this->inputdata = $data;
$this->parse();
global $sortby;
$this->sortedItems = $this->items;
for($i=0; $i < count($this->sortedItems['type']); $i++)
foreach($this->sortedItems as $key=> $value) {
if (isset($value[$i]))
$temp[$i][$key] = $value[$i];
}
foreach($temp as $key=>$row) {
$types[$key] = array_search($row['type'],$sortby);
$years[$key] = $row['year'];
$ids[$key] = $key;
}
array_multisort($types, SORT_ASC, $ids, SORT_ASC, $years, SORT_DESC, $temp);
for($i=0; $i < count($temp); $i++)
foreach($temp[$i] as $key=> $value)
$temp2[$key][$i] = $value;
$this->sortedItems = $temp2;
$this->types = $this->sortedItems['type'];
$this->prepareHTML();
$this->yearData = array_unique($this->yearData);
rsort($this->yearData);
return $this-> printPublications();
}
/**
* parse()
*
* Main method that parses the data.
*/
function parse() {
$value = array();
$var = array();
$this->count = -1;
$lineindex = 0;
$fieldcount = -1;
if( $this->filename )
$lines = file($this->filename);
else
$lines = preg_split( '/\n/', $this->inputdata );
if (!$lines)
return;
foreach($lines as $line) {
$lineindex++;
if ($this->count > -1) {
$this->items['lineend'][$this->count] = $lineindex;
}
$line = trim($line);
$raw_line = $line + '\n';
$line=str_replace("'","`",$line);
$seg=str_replace("\"","`",$line);
$ps=strpos($seg,'=');
$segtest=strtolower($seg);
// some funny comment string
if (strpos($segtest,'@string')!==false)
continue;
// pybliographer comments
if (strpos($segtest,'@comment')!==false)
continue;
// normal TeX style comment
if (strpos($seg,'%%')!==false)
continue;
/* ok when there is nothing to see, skip it! */
if (!strlen($seg))
continue;
if ("@" == $seg[0]) {
$this->count++;
$this->items['raw'][$this->count] = $line . "\r\n";
$ps=strpos($seg,'@');
$pe=strpos($seg,'{');
$this->types[$this->count]=trim(substr($seg, 1,$pe-1));
$fieldcount=-1;
$this->items['linebegin'][$this->count] = $lineindex;
} // #of item increase
elseif ($ps!==false ) { // one field begins
$this->items['raw'][$this->count] .= $line . "\r\n";
$ps=strpos($seg,'=');
$fieldcount++;
$var[$fieldcount]=strtolower(trim(substr($seg,0,$ps)));
if ($var[$fieldcount]=='pages') {
$ps=strpos($seg,'=');
$pm=strpos($seg,'--');
$pe=strpos($seg,'},');
$pagefrom[$this->count] = substr($seg,$ps,$pm-$ps);
$pageto[$this->count]=substr($seg,$pm,$pe-$pm);
$bp=str_replace('=','',$pagefrom[$this->count]); $bp=str_replace('{','',$bp);$bp=str_replace('}','',$bp);$bp=trim(str_replace('-','',$bp));
$ep=str_replace('=','',$pageto[$this->count]); $bp=str_replace('{','',$bp);$bp=str_replace('}','',$bp);;$ep=trim(str_replace('-','',$ep));
}
$pe=strpos($seg,'},');
if ($pe===false)
$value[$fieldcount]=strstr($seg,'=');
else
$value[$fieldcount]=substr($seg,$ps,$pe);
} else {
if ($this->count > -1 ) {
$this->items['raw'][$this->count] .= $line . "\r\n";
$pe=strpos($seg,'},');
}
if ($fieldcount > -1) {
if ($pe===false)
$value[$fieldcount].=' '.strstr($seg,' ');
else
$value[$fieldcount] .=' '.substr($seg,$ps,$pe);
}
}
if ($fieldcount > -1) {
$v = $value[$fieldcount];
$v=str_replace('=','',$v);
$v=str_replace('{','',$v);
$v=str_replace('}','',$v);
if ($var[$fieldcount]=='projects')
$v=str_replace(',',' ',$v);
else
$v=$this->str_last_replace(',',' ',$v);
$v=str_replace('\'',' ',$v);
$v=str_replace('\"',' ',$v);
// test!
$v=str_replace('`',' \'',$v);
$v=trim($v);
$this->items["$var[$fieldcount]"][$this->count]="$v";
}
}
}
function prepareHTML() {
global $article;
global $book;
global $booklet;
global $conference;
global $inbook;
global $inproceedings;
global $incollection;
global $inbook;
global $mastersthesis;
global $misc;
global $phdthesis;
global $proceedings;
global $techreport;
global $unpublished;
global $other;
global $projects;
global $bibTexFile;
$this->resultedHtml .= '<ul id="publication-list">';
for ($i = 0; $i <= $this->count; $i++ ) {
if (in_array("all", $projects) || $this->checkProject($i)) {
switch ($this->types[$i]) {
case "journal":
$this->htmlPublication("journal", $article, $i);
break;
case "article":
$this->htmlPublication("article", $article, $i);
break;
case "book":
$this->htmlPublication("book", $book, $i);
break;
case "booklet":
$this->htmlPublication("booklet", $article, $i);
break;
case "conference":
$this->htmlPublication("conference", $conference, $i);
break;
case "inbook":
$this->htmlPublication("inbook", $inbook, $i);
break;
case "incollection":
$this->htmlPublication("incollection", $incollection, $i);
break;
case "inproceedings":
$this->htmlPublication("inproceedings", $inproceedings, $i);
break;
case "manual":
$this->htmlPublication("inbook", $manual, $i);
break;
case "mastersthesis":
$this->htmlPublication("mastersthesis", $matersthesis, $i);
break;
case "misc":
$this->htmlPublication("misc", $misc, $i);
break;
case "phdthesis":
$this->htmlPublication("phdthesis", $phdthesis, $i);
break;
case "proceedings":
$this->htmlPublication("proceedings", $proceedings, $i);
break;
case "techreport":
$this->htmlPublication("techreport", $techreport, $i);
break;
case "unpublished":
$this->htmlPublication("unpublished", $unpublished, $i);
break;
default:
$this->htmlPublication("other", $other, $i);
}
}
}
$this->resultedHtml .= '</ul>';
$this->resultedHtml .= '<center><small>Automatically generated from this <a href="'.$bibTexFile.'" target="_blank" >bibtex</a> using the <a target=_blank href="http://dmsl.github.com/smartbib/">Smarbib</a> project</small></center>';
}
function htmlPublication($type, $fields, $element) {
global $delimiter;
global $sortbyTitle;
$delimiter=", ";
if ($this->lastType != $this->sortedItems['type'][$element]){
$this->lastType = $this->sortedItems['type'][$element];
$this->resultedHtml .= '<li><h2>'.$this->getTitle($this->sortedItems['type'][$element]).'</h2></li>';
}
$this->resultedHtml .= '<li class="'.$this->sortedItems['year'][$element].' publication" title="'.$this->sortedItems['year'][$element].'">';
$this->countTypes($element, $this->sortedItems['type'][$element]);
foreach($fields as $print) {
if(isset($this->sortedItems[$print])){
if(isset($this->sortedItems[$print][$element])){
switch ($print) {
case "title":
$this->resultedHtml .= '<strong>"';
if(isset($this->sortedItems['durl'][$element])){
$this->resultedHtml .= '<a href="'.$this->sortedItems['durl'][$element].'" class="publications-title" target="_blank">';
}
$this->resultedHtml .= $this->sortedItems[$print][$element];
if (isset($this->sortedItems['durl'][$element])) {
$this->resultedHtml .= '</a>';
}
$this->resultedHtml .= '"</strong>'.$delimiter.' ';
break;
case "booktitle":
if($this->sortedItems['type'][$element] == "editorial") {
$this->resultedHtml .= "<b>\"".$this->sortedItems[$print][$element]."\"</b> ";
}
else {
$this->resultedHtml .= "<b>\"".$this->sortedItems[$print][$element]."\"</b> ";
}
break;
case "journal":
$this->resultedHtml .= "<i><b>".$this->sortedItems[$print][$element]."</b></i> ";
break;
case "year":
$this->resultedHtml .= "<strong>".$this->sortedItems[$print][$element]."</strong>".".";
array_push($this->yearData, $this->sortedItems[$print][$element]);
break;
case "numpages":
$this->resultedHtml .= $this->sortedItems[$print][$element].$delimiter;
case "pages":
$this->resultedHtml .= " Pages: ".$this->sortedItems[$print][$element].$delimiter;
break;
case "series":
if(isset($this->sortedItems['infosite'][$element]))
$this->resultedHtml .= "(<strong><u><a href='".$this->sortedItems['infosite'][$element]."' class='series-link' target='_blank'>".$this->sortedItems[$print][$element]."</a></u></strong>), ";
else
$this->resultedHtml .= "(<strong>".$this->sortedItems[$print][$element]."</strong>), ";
break;
case "isbn":
$this->resultedHtml .= " ISBN: ".$this->sortedItems[$print][$element].$delimiter;
break;
case "volume":
$this->resultedHtml .= " Volume ".$this->sortedItems[$print][$element].$delimiter;
break;
case "chapter":
$this->resultedHtml .= " Chapter ".$this->sortedItems[$print][$element].$delimiter;
break;
case "author":
$this->resultedHtml .= $this->sortedItems[$print][$element]." ";
break;
case "location":
$this->resultedHtml .= $this->sortedItems[$print][$element]." ";
break;
default:
$this->resultedHtml .= $this->sortedItems[$print][$element].$delimiter;
}
}
}
else {
echo $print;
}
}
if (isset($this->sortedItems['raw'][$element])) {
$this->resultedHtml .= '<a href="#bibtex-'.$element.'" class="publications-bib" title="BibTex" id="publink-'.$element.'" href="#" title="BibTex Reference"></a>';
$this->resultedHtml .= '<div id="bibtex-wrapper" style="display:none;"><div id="bibtex-'.$element.'" style="width:700px;"><pre>'.$this->sortedItems['raw'][$element].'</pre></div></div>';
}
if (isset($this->sortedItems['durl'][$element])) {
$this->resultedHtml .= '<a href="'.$this->sortedItems['durl'][$element].'" class="publications-pdf" id="publink-'.$element.'" href="#" title="Download PDF" target="_blank"></a>';
}
if (isset($this->sortedItems['powerpoint'][$element])) {
$this->resultedHtml .= '<a href="'.$this->sortedItems['powerpoint'][$element].'" class="publications-ppt" id="publink-'.$element.'" href="#" title="Presentation" target="_blank"></a>';
$this->resultedHtml .= '<div id="ppt-wrapper" style="display:none;"><div id="powerpoint-'.$element.'"><embed src="'.$this->sortedItems['powerpoint'][$element].'" type="application/ppt" width="840" height="680" /></div></div>';
}
if (isset($this->sortedItems['website'][$element])) {
$this->resultedHtml .= '<a href="'.$this->sortedItems['website'][$element].'" class="publications-website" id="publink-'.$element.'" href="#" title="Relevant Website" target="_blank"></a>';
}
$this->resultedHtml .= '</li>';
}
function countTypes($iterator, $type) {
$previous = array_slice($this->sortedItems['type'], 0, $iterator + 1, true);
$counts = array_count_values($previous);
$all = array_count_values($this->sortedItems['type']);
$number = $all[$type] - $counts[$type] + 1;
if($type == 'book') {
$this->resultedHtml .= "<strong>[B".$number."]</strong> ";
}
else {
$this->resultedHtml .= "<strong>[".ucfirst(substr($type, 0, 1))."".$number."]</strong> ";
}
}
function printPublications() {
//Print filters
echo '<ul id="publication-filter">';
echo '<li><a href="#" class="current" data-filter="*">All</a></li>';
for($i = 0; $i < count($this->yearData); $i++) {
echo '<li><a href="#" data-filter=".'.$this->yearData[$i].'">'.$this->yearData[$i].'</a></li>';
}
echo '</ul>';
echo '<div style="clear:both;"></div>';
echo $this->resultedHtml;
}
/**
* @param array $array
* @param string|int $by key/offset
* @param array $order
* @return array
*/
function array_multisort_by_order(array $array, $by, array $order)
{
$max = max(array_map('count',$array));
foreach($array as &$sub){
$addin = array_diff_key(array_fill(0,$max,null),$sub);
$sub = $addin + $sub;
ksort($sub);
}
$order = array_flip($order);
$params[] = $array[$by];
foreach($params[0] as &$v) $v = $order[$v];
foreach($array as &$v) $params[] = &$v; unset($v);
call_user_func_array('array_multisort', $params);
//Convert array
for($i=0; $i < count($array['type']); $i++) {
foreach($array as $key=> $value) {
$temp[$i][$key] = $value[$i];
}
}
function cmp_year($a, $b) {
if ($a['type'] == $b['type']) {
return ($a['year'] > $b['year']) ? -1 : 1;
}
else
return 0;
}
usort($temp, 'cmp_year');
//Convert array back
for($i=0; $i < count($temp); $i++) {
foreach($temp[$i] as $key=> $value) {
$temporary[$key][$i] = $value;
}
}
print_r($temporary['year']);
print_r($temporary['type']);
$filter = create_function('$a','return !is_null($a);');
foreach($temporary as &$sub) $sub = array_filter($sub,$filter);
return $temporary;
}
function getTitle ($type) {
global $sortby;
global $sortbyTitle;
$array_size = count($sortby);
for($i = 0; $i < $array_size; $i++)
{
if( $sortby[$i] == $type){
return $sortbyTitle[$i];
}
}
}
function checkProject($element) {
global $projects;
if(isset($this->sortedItems['projects'][$element])) {
$p = explode(" ", $this->sortedItems['projects'][$element]);
foreach ($p as $project) {
if(in_array($project, $projects))
return true;
}
}
return false;
}
function str_last_replace($search, $replace, $subject)
{
$pos = strrpos($subject, $search);
if($pos !== false)
{
$subject = substr_replace($subject, $replace, $pos, strlen($search));
}
return $subject;
}
}
?>