miniflux-legacy/vendor/PicoFeed/Parser.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);
}
}