[php] 簡單擷取 html 原始碼

--- simplehtmldom/simple_html_dom.php   2008-12-15 02:56:56.000000000 +0800

+++ application/libraries/Simple_html_dom.php  2010-09-29 14:09:11.000000000 +0800

@@ -1,4 +1,4 @@

-<?php

+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

 /*******************************************************************************

 Version: 1.11 ($Rev: 175 $)

 Website: http://sourceforge.net/projects/simplehtmldom/

@@ -30,56 +30,6 @@

 define('HDOM_INFO_OUTER',   6);

 define('HDOM_INFO_ENDSPACE',7);



-// helper functions

-// -----------------------------------------------------------------------------

-// get html dom form file

-function file_get_html() {

-    $dom = new simple_html_dom;

-    $args = func_get_args();

-    $dom->load(call_user_func_array('file_get_contents', $args), true);

-    return $dom;

-}

-

-// get html dom form string

-function str_get_html($str, $lowercase=true) {

-    $dom = new simple_html_dom;

-    $dom->load($str, $lowercase);

-    return $dom;

-}

-

-// dump html dom tree

-function dump_html_tree($node, $show_attr=true, $deep=0) {

-    $lead = str_repeat('    ', $deep);

-    echo $lead.$node->tag;

-    if ($show_attr && count($node->attr)>0) {

-        echo '(';

-        foreach($node->attr as $k=>$v)

-            echo "[$k]=>\"".$node->$k.'", ';

-        echo ')';

-    }

-    echo "\n";

-

-    foreach($node->nodes as $c)

-        dump_html_tree($c, $show_attr, $deep+1);

-}

-

-// get dom form file (deprecated)

-function file_get_dom() {

-    $dom = new simple_html_dom;

-    $args = func_get_args();

-    $dom->load(call_user_func_array('file_get_contents', $args), true);

-    return $dom;

-}

-

-// get dom form string (deprecated)

-function str_get_dom($str, $lowercase=true) {

-    $dom = new simple_html_dom;

-    $dom->load($str, $lowercase);

-    return $dom;

-}

-

-// simple html dom node

-// -----------------------------------------------------------------------------

 class simple_html_dom_node {

     public $nodetype = HDOM_TYPE_TEXT;

     public $tag = 'text';

@@ -476,9 +426,8 @@

     function previousSibling() {return $this->prev_sibling();}

 }



-// simple html dom parser

-// -----------------------------------------------------------------------------

-class simple_html_dom {

+class Simple_html_dom

+{

     public $root = null;

     public $nodes = array();

     public $callback = null;

@@ -515,13 +464,60 @@

                 $this->load_file($str);

             else

                 $this->load($str);

-        }

+        }

     }



     function __destruct() {

         $this->clear();

     }



+    // get html dom form file

+    function file_get_html()

+    {

+        $args = func_get_args();

+        $this->load(call_user_func_array('file_get_contents', $args), true);

+        return $this;

+    }

+

+    // get html dom form string

+    function str_get_html($str, $lowercase=true)

+    {

+        $this->load($str, $lowercase);

+        return $this;

+    }

+

+    // dump html dom tree

+    function dump_html_tree($node, $show_attr=true, $deep=0)

+    {

+        $lead = str_repeat('    ', $deep);

+        echo $lead.$node->tag;

+        if ($show_attr && count($node->attr)>0) {

+            echo '(';

+            foreach($node->attr as $k=>$v)

+                echo "[$k]=>\"".$node->$k.'", ';

+            echo ')';

+        }

+        echo "\n";

+

+        foreach($node->nodes as $c)

+            $this->dump_html_tree($c, $show_attr, $deep+1);

+    }

+

+    // get dom form file (deprecated)

+    function file_get_dom()

+    {

+        $args = func_get_args();

+        $this->load(call_user_func_array('file_get_contents', $args), true);

+        return $this;

+    }

+

+    // get dom form string (deprecated)

+    function str_get_dom($str, $lowercase=true)

+    {

+        $this->load($str, $lowercase);

+        return $this;

+    }

+

     // load html from string

     function load($str, $lowercase=true) {

         // prepare

@@ -971,5 +967,4 @@

     function getElementByTagName($name) {return $this->find($name, 0);}

     function getElementsByTagName($name, $idx=-1) {return $this->find($name, $idx);}

     function loadFile() {$args = func_get_args();$this->load(call_user_func_array('file_get_contents', $args), true);}

-}

-?>

\ No newline at end of file

+}

\ No newline at end of file