91 lines
1.9 KiB
PHP
91 lines
1.9 KiB
PHP
<?php
|
|
|
|
namespace PicoFeed;
|
|
|
|
require_once __DIR__.'/Filter.php';
|
|
require_once __DIR__.'/Encoding.php';
|
|
|
|
abstract class Parser
|
|
{
|
|
protected $content = '';
|
|
|
|
public $id = '';
|
|
public $url = '';
|
|
public $title = '';
|
|
public $updated = '';
|
|
public $items = array();
|
|
public $debug = false;
|
|
|
|
|
|
abstract public function execute();
|
|
|
|
|
|
public function __construct($content)
|
|
{
|
|
// Strip XML tag to avoid multiple encoding/decoding in next XML processing
|
|
$this->content = $this->stripXmlTag($content);
|
|
|
|
// Encode everything in UTF-8
|
|
$this->content = Encoding::toUTF8($this->content);
|
|
|
|
// Workarounds
|
|
$this->content = $this->normalizeData($this->content);
|
|
}
|
|
|
|
|
|
public function filterHtml($str, $item_url)
|
|
{
|
|
$content = '';
|
|
|
|
if ($str) {
|
|
|
|
$filter = new Filter($str, $item_url);
|
|
$content = $filter->execute();
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
|
|
public function displayXmlErrors()
|
|
{
|
|
foreach(\libxml_get_errors() as $error) {
|
|
|
|
printf("Message: %s\nLine: %d\nColumn: %d\nCode: %d\n",
|
|
$error->message,
|
|
$error->line,
|
|
$error->column,
|
|
$error->code
|
|
);
|
|
}
|
|
}
|
|
|
|
|
|
// Dirty quickfix before XML parsing
|
|
public function normalizeData($data)
|
|
{
|
|
return str_replace("\xc3\x20", '', $data);
|
|
}
|
|
|
|
|
|
public function stripXmlTag($data)
|
|
{
|
|
if (strpos($data, '<?xml') !== false) {
|
|
|
|
$data = substr($data, strrpos($data, '?>') + 2);
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
|
|
// Trim whitespace from the begining, the end and inside a string and don't break utf-8 string
|
|
public function stripWhiteSpace($value)
|
|
{
|
|
$value = str_replace("\r", "", $value);
|
|
$value = str_replace("\t", "", $value);
|
|
$value = str_replace("\n", "", $value);
|
|
return trim($value);
|
|
}
|
|
}
|