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Example #1:
Echoes all Tag objects as string on and tags
include("phpHTMLParser.php");
$parser = new phpHTMLParser(file_get_contents("http://www.onderstekop.nl/");
$HTMLObject = $parser->parse();
$HTMLObject = $parser->parse_tags(array("a", "title"));
$HTMLObject->output();
Example #2:
Echoes all <a> href attributes and their description
include("phpHTMLParser.php");
$content = file_get_contents("http://www.onderstekop.nl/");
$parser = new phpHTMLParser("$content");
$HTMLObject = $parser->parse_tags(array("a"));
$aTags = $HTMLObject->getTagsByName("a");
foreach ($aTags as $a) {
if ($a->href != "") {
echo $a->href . "<br/>";
echo $a->innerHTML . "<br/><br/>";
}
}
*/
Class Tag {
var $innerHTML = "";
var $innerTag = "";
var $ID = "";
var $href = "";
var $src = "";
function addInnerHTML($word) {
if ($this->innerHTML == "")
$this->innerHTML = $word;
else
$this->innerHTML .= " $word";
}
function addInnerTag($word) {
if ($this->innerTag == "")
$this->innerTag = $word;
else
$this->innerTag .= " $word";
if (preg_match("/href=[\"'](.*)[\"']/i", $word)) {
$href = substr($word, 6, strlen($word)-7);
$this->href =$href;
}
elseif (preg_match("/id=[\"'](.*)[\"']/i", $word)) {
$id = substr($word, 4, strlen($word) -5);
$this->id = $id;
}
elseif (preg_match("/src=[\"'](.*)[\"']/i", $word)) {
$src = substr($word, 5, strlen($word) -6);
$this->src= $src;
}
}
function output($name) {
echo "<b> attributes: </b> <$name " . $this->innerTag . "><br/>";
echo "<b> ID: </b> " .$this->id . "<br/>";
echo "<b> href: </b> " . $this->href . "<br/>";
echo "<b> src: </b>" . htmlentities($this->src) . "</br>";
echo "<b>innerHTML: </b>" . htmlentities($this->innerHTML) . "<br/><br/>";
}
}
Class Tag_Set {
var $name = "";
var $tags = array();
function Tag_Set($name) {
$this->name = $name;
}
function addTag() {
$t= new Tag();
array_push($this->tags, $t);
return count($this->tags);
}
function addInnerTag($word) {
$t = array_pop($this->tags);
$t->addInnerTag($word);
array_push($this->tags, $t);
}
function addInnerHTML($word) {
$t = array_pop($this->tags);
$t->addInnerHTML($word);
array_push($this->tags, $t);
}
function output() {
echo "<h3>" . $this->name . "</h3>";
foreach($this->tags as $t)
$t->output($this->name);
}
}
Class Parsed_HTML {
var $tag_sets = array();
var $tagStack = array();
var $debug =false;
function openTag($tagName) {
if (!$t = $this->getSetByName($tagName)) {
$newTag = new Tag_Set($tagName);
array_push($this->tag_sets, $newTag);
$this->debug("Creating new tag list '$tagName'");
}
if ($t = $this->getSetByName($tagName)) {
$this->debug("Adding new tag to list $tagName (entry " . $t->addTag(). ")");
}
$this->currentTag = $tagName;
array_push($this->tagStack, $t);
}
function closeTag($tagName) {
$this->debug("Closing tag '$tagName'");
array_pop($this->tagStack);
}
function getSetByName($name) {
foreach($this->tag_sets as $t) {
if ($t->name == $name)
return $t;
}
return false;
}
function addInnerTag($word, $foundNewTag = True) {
if ($foundNewTag) {
$this->currentTag = $word;
}
if ($word != "" && count($this->tagStack) != 0) {
$addTo = array_pop($this->tagStack);
if ($this->currentTag == $addTo->name) {
$this->debug("Adding inner tag " . htmlentities($word). "' to tag list '" . $addTo->name . "'");
$addTo->addInnerTag($word);
array_push($this->tagStack, $addTo);
}
else {
foreach($this->tagStack as $t) {
$this->debug("Adding innerHTML '" . htmlentities($word) . "' to tag list '" . $t->name . "'");
$t->addInnerHTML ($word);
}
array_push($this->tagStack, $addTo);
}
}
}
function addInnerHTML($word) {
if ($word != "" && count($this->tagStack) != 0) {
$addTo = array_pop($this->tagStack);
if ($this->currentTag == $addTo->name) {
$this->debug("Adding innerHTML '" . htmlentities($word) . "' to tag list '" . $addTo->name . "'");
$addTo->addInnerHTML($word);
array_push($this->tagStack, $addTo);
}
else {
foreach ($this->tagStack as $t) {
$this->debug("Adding innerHTML '" . htmlentities($word) . "' to tag list '" . $t->name . "'");
$addTo->addInnerHTML($word);
}
array_push($this->tagStack, $addTo);
}
}
}
function debug($msg) {
if ($this->debug) {
echo $msg . "<br/>";
}
}
function output () {
foreach($this->tag_sets as $t) {
$t->output();
}
}
function getTagsByName($name) {
foreach($this->tag_sets as $t) {
if ($t->name == $name) {
return $t->tags;
}
}
}
}
Class phpHTMLParser {
var $html = "";
var $tag_names = array("a", "div");
function phpHTMLparser($html) {
$this->html = $html;
}
function parse_tags($tags) {
$this->tag_names = $tags;
return $this->parse();
}
function parse() {
$parsed = new Parsed_HTML();
for ($a = 0; $a < strlen($this->html); $a++) {
$prevToken = $token;
$token = $this->html{$a};
if (!in_array($token, array("\r", "\n", " ", "\t", "<", ">")))
$word .= $token;
else {
if ($inTag && (in_array($word, $this->tag_names)))
$parsed->openTag($word);
elseif ($inTag && in_array(substr($word, 1), $this->tag_names)) {
$parsed->closeTag(substr($word,1));
}
elseif ($inTag) {
$parsed->addInnerTag($word, $justInTag);
$word = "";
}
elseif (!$inTag)
$parsed->addInnerHTML($word);
$justInTag = False;
$word = "";
}
switch($token):
case "<":
$inTag = True;
$justInTag = True;
break;
case ">":
$inTag = False;
$justInTag = False;
break;
endswitch;
}
return $parsed;
}
}
?>