<?php
/* SophosParse v0.1b */
/* A simple parser for the Anti Virus information from Sophos (www.sophos.com */
/* This code is copyright (C) 2002 Tomas Doran */
/* You can always find the latest version of the code at
http://opensource.northernprinciple.com/projects/sophosparse/
This code is liscenced under the GNU GPL.
Please see the file named LICENSE in the distributed package for the full
terms and conditions
Information about how to use this code can be found in the README
file in the distributed package.
*/
class SophosParse {
var $type;
var $fp;
var $parser_state=array();
var $data=array();
var $parser;
function SophosParse($pointer, $type) {
$this->object_self_ref=&$this;
if (!$pointer || feof($pointer)) {
die ("SophosParse initialised without a valid file pointer");
}
$this->fp=$pointer;
switch ($type) {
case "latest": $this->type="latest";
break;
case "topten": $this->type="topten";
break;
case "hoax": $this->type="hoax";
break;
default: die("SophosParse initialised without a valid type. Valid types are latest, topten");
break;
}
$this->parser_output=array();
$this->initparser();
}
function initparser() {
$this->parser_state["intitle"]=false;
$this->parser_state["seenchannel"]=0;
$this->parser_state["initem"]=false;
$this->parser_state["inlink"]=false;
$this->parser_state["title_data"]=false;
$this->parser_state["link_data"]=false;
$this->parser=xml_parser_create();
xml_set_object($this->parser, &$this);
xml_set_element_handler($this->parser, "startElement", "endElement");
xml_set_character_data_handler($this->parser, "characterData");
}
function parse() {
// Read the XML file 4KB at a time
while ($data = fread($this->fp, 4096)) {
// Parse each 4KB chunk with the XML parser created above
xml_parse($this->parser, $data, feof($this->fp))
// Handle errors in parsing
or die(sprintf("XML error: %s at line %d",
xml_error_string(xml_get_error_code($this->parser)),
xml_get_current_line_number($this->parser)));
}
// Close the XML file
fclose($this->fp);
// Free up memory used by the XML parser
xml_parser_free($this->parser);
return($this->data);
}
function startelement($parser, $tagName, $attrs) {
switch ($tagName) {
case "TITLE":
if ($this->parser_state["intitle"]) {
die("Parse error in RSS data - nested <title> elements");
}
$this->parser_state["intitle"]=true;
break;
case "CHANNEL":
$this->parser_state["seenchannel"]++;
break;
case "ITEM":
if ($this->parser_state["initem"]) {
die("Parse error in RSS data - nested <item> elements");
}
$this->parser_state["initem"]=true;
$this->parser_state["title_data"] = false;
$this->parser_state["link_data"] = false;
break;
case "LINK":
if ($this->parser_state["inlink"]) {
die("Parse error in RSS data - nested <link> elements");
}
$this->parser_state["inlink"]=true;
break;
}
}
function endElement($parser, $tagName) {
switch ($tagName) {
case "TITLE":
if (!$this->parser_state["intitle"]) {
die("Parse error in RSS data - </title> element without <title> element");
}
$this->parser_state["intitle"]=false;
break;
case "CHANNEL":
$this->parser_state["seenchannel"]++;
break;
case "ITEM":
if (!$this->parser_state["initem"]) {
die("Parse error in RSS data - </item> element without <item> element");
}
$this->parser_state["initem"] = false;
$output=array();
if ($this->parser_state["title_data"] && $this->parser_state["link_data"] &&
($this->parser_state["seenchannel"] >= 2) && !stristr($this->parser_state["title_data"], "SOPHOS")) {
switch ($this->type) {
case "latest":
//Title data is split into date and title at this point.
$data=explode(" ", $this->parser_state["title_data"]);
$date_day=array_shift($data);
$date_month=array_shift($data);
$output["date"] = $date_month . " " . $date_day;
$output["date_day"] = $date_day;
$output["date_month"] = $date_month;
$output["title"] = join(" ", $data);
break;
case "topten":
case "hoax":
$data=explode(" ", $this->parser_state["title_data"]);
$rank=array_shift($data);
$output["rank"] = $rank;
$output["title"] = join(" ", $data);
break;
default:
die("In SophosParse->endElement() with unknown parser type! Should have never got here - giving up");
break;
}
$output["link"]=$this->parser_state["link_data"];
array_push($this->data, $output);
}
$this->parser_state["title_data"] = false;
$this->parser_state["link_data"] = false;
break;
case "LINK":
if (!$this->parser_state["inlink"]) {
die("Parse error in RSS data - </link> element without </link> element");
}
$this->parser_state["inlink"]=false;
break;
}
}
function characterData($parser, $data) {
if ($this->parser_state["intitle"] && ($this->parser_state["seenchannel"] >= 2) && $this->parser_state["initem"]) {
$this->parser_state["title_data"] .= $data;
}
if ($this->parser_state["inlink"] && ($this->parser_state["seenchannel"] >= 2) && $this->parser_state["initem"]) {
$this->parser_state["link_data"].=$data;
}
}
}
?>
?>
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