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<?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2008, Phoronix Media
Copyright (C) 2004-2008, Michael Larabel
tandem_XmlReader.php: The XML reading object for the Phoronix Test Suite.
Additional Notes: A very simple XML parser with a few extras... Does not currently support attributes on tags, etc.
A work in progress. This was originally designed for just some select needs in the past. No XML validation is done with this parser, etc.
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class tandem_XmlReader
{
var $XML_DATA = "";
var $XML_FILE_TIME = NULL;
var $XML_FILE_NAME = NULL;
var $XML_CACHE_FILE = FALSE; // Cache the entire XML file being parsed
var $XML_CACHE_TAGS = TRUE; // Cache the tags that are being called
function __construct($XML, $DO_CACHE = TRUE)
{
if(is_file($XML))
{
if(!$DO_CACHE)
{
$this->XML_CACHE_FILE = FALSE;
$this->XML_CACHE_TAGS = FALSE;
}
// If you're going to be banging XML files hard through the course of the script, you'll want to flush the PHP file cache
// clearstatcache();
$this->XML_FILE_TIME = filemtime($XML);
$this->XML_FILE_NAME = $XML;
if($this->XML_CACHE_FILE == TRUE && isset($GLOBALS["XML_CACHE"]["FILE"][$this->XML_FILE_NAME][$this->XML_FILE_TIME]))
$this->XML_DATA = $GLOBALS["XML_CACHE"]["FILE"][$this->XML_FILE_NAME][$this->XML_FILE_TIME];
if(empty($this->XML_DATA))
{
$this->XML_DATA = file_get_contents($XML);
if($this->XML_CACHE_FILE == TRUE)
$GLOBALS["XML_CACHE"]["FILE"][$this->XML_FILE_NAME][$this->XML_FILE_TIME] = $this->XML_DATA;
}
}
else
{
$this->XML_CACHE_FILE = FALSE;
$this->XML_CACHE_TAGS = FALSE;
$this->XML_DATA = $XML;
}
}
function getStatement($STATEMENT_NAME)
{
return $this->listStatements(TRUE, $STATEMENT_NAME);
}
function listStatements($SEARCH_DO = FALSE, $SEARCH_QUERY = "")
{
preg_match_all("'<!--(.*?) -->'si", $this->XML_DATA, $statement_maches);
$return_array = array();
foreach($statement_maches[0] as $statement)
{
$name = substr($statement, 0, strpos($statement, ':'));
$name = trim(strstr($name, ' '));
if($SEARCH_DO)
{
if($name == $SEARCH_QUERY)
{
$value = strstr($statement, ':');
$value = trim(substr($value, 1, strpos($value, "-->") - 1));
array_push($return_array, $value);
}
}
else
{
array_push($return_array, $name);
}
}
return $return_array;
}
function getXMLValue($XML_TAG)
{
return $this->getValue($XML_TAG, $this->XML_DATA);
}
function getValue($XML_TAG, $XML_MATCH, $DO_CACHE = TRUE)
{
if($this->XML_CACHE_TAGS == TRUE && $DO_CACHE && isset($GLOBALS["XML_CACHE"]["TAGS"][$this->XML_FILE_NAME][$this->XML_FILE_TIME][$XML_TAG]))
{
$XML_MATCH = $GLOBALS["XML_CACHE"]["TAGS"][$this->XML_FILE_NAME][$this->XML_FILE_TIME][$XML_TAG];
}
else
{
foreach(explode("/", $XML_TAG) as $xml_step)
{
preg_match("'<$xml_step>(.*?)</$xml_step>'si", $XML_MATCH, $new_match);
if(count($new_match) > 1)
$XML_MATCH = $new_match[1];
else
$XML_MATCH = null;
}
if($this->XML_CACHE_TAGS == TRUE && $DO_CACHE)
$GLOBALS["XML_CACHE"]["TAGS"][$this->XML_FILE_NAME][$this->XML_FILE_TIME][$XML_TAG] = $XML_MATCH;
}
return $XML_MATCH;
}
function getXMLValues($XML_TAG)
{
return $this->getXMLArrayValues($XML_TAG);
}
function getXMLArrayValues($XML_TAG)
{
return $this->getArrayValues($XML_TAG, $this->XML_DATA);
}
function getArrayValues($XML_TAG, $XML_MATCH)
{
$xml_steps = explode("/", $XML_TAG);
$this_xml = $XML_MATCH;
for($i = 0; $i < count($xml_steps) - 2; $i++)
$this_xml = $this->getValue($xml_steps[$i], $this_xml, FALSE);
$next_xml_step = $xml_steps[count($xml_steps) - 2];
preg_match_all("'<$next_xml_step>(.*?)</$next_xml_step>'si", $this_xml, $xml_matches);
$return_array = array();
$extraction_tags = explode(',', end($xml_steps));
$extraction_tags_count = count($extraction_tags);
for($i = 0; $i < count($xml_matches[1]); $i++)
{
if($extraction_tags_count == 1)
{
$this_item = $this->getValue($extraction_tags[0], $xml_matches[1][$i], FALSE);
array_push($return_array, $this_item);
}
else
{
if($i == 0)
{
foreach($extraction_tags as $extract)
$return_array[$extract] = array();
}
foreach($extraction_tags as $extract)
{
$this_item = $this->getValue($extract, $xml_matches[1][$i], FALSE);
array_push($return_array[$extract], $this_item);
}
}
}
return $return_array;
}
function setFileCaching($BOOL)
{
$this->XML_CACHE_FILE = ($BOOL == TRUE);
}
function setTagCaching($BOOL)
{
$this->XML_CACHE_TAGS = ($BOOL == TRUE);
}
function setCaching($BOOL)
{
$this->setFileCaching($BOOL);
$this->setTagCaching($BOOL);
}
}
?>
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