first commit

2026-01-07 11:40:41 +08:00
parent 2b5d784e31
commit 8f2ed2c108
6466 changed files with 1431506 additions and 0 deletions
--- a/ZeedFramework/library/Zeed/Text/Snatch.php
+++ b/ZeedFramework/library/Zeed/Text/Snatch.php
@@ -0,0 +1,125 @@
+<?php
+/**
+ * iNewS Project
+ * 
+ * LICENSE
+ * 
+ * http://www.inews.com.cn/license/inews
+ * 
+ * @category   iNewS
+ * @package    ChangeMe
+ * @subpackage ChangeMe
+ * @copyright  Copyright (c) 2008 Zeed Technologies PRC Inc. (http://www.inews.com.cn)
+ * @author     xSharp ( GTalk: xSharp@gmail.com )
+ * @since      May 7, 2010
+ * @version    SVN: $Id$
+ */
+
+class Zeed_Text_Snatch
+{
+    
+    /**
+     * 分析HTML中的链接信息:
+     * href|src|url|location|codebase|background|data|profile|action|open
+     *
+     * @param String $source
+     * @param Array $tags_to_extract
+     * @param Boolean $aggressive_mode
+     * @return Array
+     */
+    public static function findLinks($source, $tags_to_extract = array('src'), $aggressive_mode = false)
+    {
+        $match_part = "";
+        
+        $all_links = array(); // will get filled with the found links
+        $target_array = array();
+        if (! is_array($tags_to_extract)) {
+            $tags_to_extract = array(
+                    (string) $tags_to_extract);
+        }
+        
+        // Now check if user added linktags to extract and if so, use them
+        // (build expression-part like "href|src|location ...")
+        @reset($tags_to_extract);
+        if (count($tags_to_extract) > 0) {
+            while (list($key) = @each($tags_to_extract)) {
+                $match_part .= "|" . $tags_to_extract[$key];
+            }
+            $match_part = substr($match_part, 1);
+        } else {
+            // else we use the default extraction
+            $match_part = "href|src|url|location|codebase|background|data|profile|action|open";
+        }
+        
+        // 1. <a href="...">LINKTEXT</a> (well formed with </a> at the end)
+        // Get the link AND the linktext from these tags
+        // This has to be done FIRST !!
+        
+
+        preg_match_all("/<[ ]{0,}a[ \n\r][^<>]{0,}(?<= |\n|\r)(?:" . $match_part . ")[ \n\r]{0,}=[ \n\r]{0,}[\"|']{0,1}([^\"'>< ]{0,})[^<>]{0,}>((?:(?!<[ \n\r]*\/a[ \n\r]*>).)*)<[ \n\r]*\/a[ \n\r]*>/ is", $source, $regs);
+        
+        // regs[0] -> complete <a href> tags
+        // regs[1] -> the links (raw)
+        // regs[2] -> linktext
+        
+
+        for ($x = 0; $x < count($regs[1]); $x ++) {
+            $tmp_array["link_raw"] = trim($regs[1][$x]);
+            $tmp_array["linktext"] = $regs[2][$x];
+            $tmp_array["linkcode"] = trim($regs[0][$x]);
+            
+            $map_key = $tmp_array["link_raw"];
+            
+            if (! isset($map_array[$map_key])) {
+                $target_array[] = $tmp_array;
+                $map_array[$map_key] = true;
+            }
+        }
+        
+        // Now we "preg" all other matches
+        // 2. all like <..href="..."> <..src=".."> and so on
+        
+
+        $pregs[] = "/<[^<>]{0,}[ \n\r](?:" . $match_part . ")[ \n\r]{0,}=[ \n\r]{0,}[\"|']{0,1}([^\"'>< ]{0,})[^<>]{0,}>/ is";
+        
+        // Now, if agressive_mode is set to true, we look for some
+        // other things
+        if ($aggressive_mode == true) {
+            // Everyhtnig inside OR outside a tag
+            // "=" or "(" after tag
+            $pregs[] = "/[ \.:;](?:" . $match_part . ")[ \n\r]{0,}[=|\(][ \n\r]{0,}[\"|']{0,1}([^\"'>< ;]{0,})['\"<> ;]/ is";
+            
+        // Stuff like ..open="("...")
+        // currently in the expression above
+        // slowed down the whole thing..but returned better "linkcode"
+        // $pregs[]="/(?:".$match_part.")[ \n\r]{0,}\([ \n\r]{0,}(?:\"|'){1}([^\"'><\n ]{0,})(\"|')[^)]*\)/ is";
+        }
+        
+        // Now execute the pregs
+        
+
+        for ($x = 0; $x < count($pregs); $x ++) {
+            unset($regs);
+            preg_match_all($pregs[$x], $source, $regs);
+            
+            for ($y = 0; $y < count($regs[1]); $y ++) {
+                unset($tmp_array);
+                $tmp_array["link_raw"] = trim($regs[1][$y]);
+                $tmp_array["linkcode"] = trim($regs[0][$y]);
+                $tmp_array["linktext"] = "";
+                
+                $map_key = $tmp_array["link_raw"];
+                
+                if (! isset($map_array[$map_key])) {
+                    $target_array[] = $tmp_array;
+                    $map_array[$map_key] = true;
+                }
+            }
+        
+        }
+        
+        return $target_array;
+    }
+}
+
+// End ^ LF ^ encoding