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| <?php
class rss_parser {
function rss_parser()
{
$this->error = '';
$this->file = '';
$this->channel = array();
$this->data = '';
$this->stack = array();
$this->num_items = 0;
$this->xml_parser = xml_parser_create();
xml_set_element_handler($this->xml_parser, "rss_start_element", "rss_end_element");
xml_set_character_data_handler($this->xml_parser, "rss_character_data");
}
function character_data($parser, $data)
{
if (empty($this->data)) $this->data = trim($data);
else $this->data .= ' '.trim($data);
}
function start_element($parser, $name, $attrs)
{
switch($name)
{
case 'RSS':
break;
case 'CHANNEL':
break;
case 'IMAGE':
array_push($this->stack, $name);
break;
case 'ITEM':
array_push($this->stack, $name);
array_push($this->stack, $this->num_items); $this->item[$this->num_items] = array();
$this->num_items++;
break;
case 'TEXTINPUT':
array_push($this->stack, $name);
break;
default:
array_push($this->stack, $name);
break;
}
}
function end_element($parser, $name)
{
switch ($name)
{
case 'RSS':
break;
case 'CHANNEL':
break;
case 'IMAGE':
array_pop($this->stack);
break;
case 'ITEM':
array_pop($this->stack);
array_pop($this->stack);
break;
case 'TEXTINPUT':
array_pop($this->stack);
break;
default:
$element = (implode("']['",$this->stack));
eval("$this->channel['$element']=$this->data;");
array_pop($this->stack);
$this->data = '';
break;
}
}
function parse()
{
if (!($fp = @fopen($this->file, "r")))
{
$this->error = "Could not open RSS source "$this->file".";
return false;
}
while ($data = fread($fp, 4096))
{
if (!xml_parse($this->xml_parser, $data, feof($fp)))
{
$this->error = sprintf("XML error: %s at line %d.",
xml_error_string(xml_get_error_code($this->xml_parser)),
xml_get_current_line_number($this->xml_parser));
return false;
}
}
xml_parser_free($this->xml_parser);
return true;
}
}
function rss_start_element($parser, $name, $attributes)
{
global $rss;
$rss->start_element($parser, $name, $attributes);
if( $description )
{
print "<h2>$description</h2>";
}
}
function rss_end_element($parser, $name)
{
global $rss;
$rss->end_element($parser, $name);
}
function rss_character_data($parser, $data)
{
global $rss;
$rss->character_data($parser, $data);
}
?> |
