HTML Preview Regular Replace

HTML Preview Regular Replace /** * HTML replacement processing class, consider the following several substitutions * 1. IMG src: '/]+?) /I ' * 2. a href: '/]+? /I ' * 3. IFRAM.SRC: '/ ]+?) /I ' * 4. Frame src: '/ ]+?) /I ' * 5. JS: '/window.open ([(]+?)] ([\'" ]+?) (.+?) ([ )+?]) /I ' * 6. CSS: '/background (. +?) URL ([(]) ([\ ' "]+?) (.+?) ([ )+?]) /I ' */ Class Myreplace { Private $moudle _array = Array (' Udata ', ' tdata ', ' TResult ', ' dresult '); Private $content; Private $relative _dirname; Private $projectid; Private $moudle; function __construct () { $this->ci = &get_instance (); } /** * Replace * @param string $contentHTML content * @param string $relative relative path * @param int $projectid Project ID * @moudlestring $moudle template ID: Udata,tdata,tresult,dresult */ Public Function My_replace ($content, $relative, $projectid, $moudle) { $this->content = $content; $this->relative_dirname = $relative; $this->projectid = $projectid; if (In_array (Strtolower ($moudle), $this->moudle_array)) $this->moudle = $moudle; else exit; Switch ($this->moudle) { Case ' Udata ': $this->ci->load->model (' mupload_data ', ' model '); Break Case ' Tdata ': $this->ci->load->model (' taskdata ', ' model '); Break Case ' TResult ': $this->ci->load->model (' Taskresult ', ' model '); Break Case ' Dresult ': $this->ci->load->model (' Dmsresult ', ' model '); Break Default Break } $pattern = '/]+? ') /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' image_replace '), $content); $pattern = '/]+? ') /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' html_replace '), $content); $pattern = '/ ]+?) /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' iframe_replace '), $content); $pattern = '/ ]+?) /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' frame_replace '), $content); $pattern = '/window.open ([]+?) ([\'" ]+?) (.+?) ([ )]+?) /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' js_replace '), $content); $pattern = '/background (. +?) URL ([(]) ([\ ' "]+?) (.+?) ([ )+?]) /I '; $content = Preg_replace_callback ($pattern, Array ($this, ' css_replace '), $content); return $content; } Private Function Image_replace ($matches) { if (count ($matches) < 4) return '; if (Empty ($matches [3])) return '; $matches [3] = RTrim ($matches [3], ' \ ' "/'); Get the ID of a picture $parent _dir_num = Substr_count ($matches [3], ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($matches [3], './'); $image _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($image _id)) { if ($this->moudle = = ' Dresult ') { Return "Ci->config->item (" Base_url ")." cdms/". $this->moudle." /readpic/$image _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } else { Return "Ci->config->item (" Base_url ")." cdms/". $this->moudle." /picfile/$image _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } } else { Return "} } Private Function Html_replace ($matches) { if (count ($matches) < 4) return '; if (Empty ($matches [3])) return '; If the href link ($matches [3]) starts with HTTP or www or mailto, it is not processed if (Preg_match ('/^[http|www|mailto] (. +?) /I ', $matches [3])) Return "$matches [3] = RTrim ($matches [3], ' \ '"/'); Working with anchor points if (Substr_count ($matches [3], ' # ') >0) $matches [3] = substr ($matches [3],0,strrpos ($matches [3], ' # ')); Gets the ID of the HTML $parent _dir_num = Substr_count ($matches [3], ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($matches [3], './'); $txtfile _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($txtfile _id)) { if ($this->moudle = = ' Dresult ') { Return "Ci->config->item (" Base_url ")." cdms/". $this->moudle." /readfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } else { Return "Ci->config->item (" Base_url ")." cdms/". $this->moudle." /txtfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } } else { Return "} } Private Function Iframe_replace ($matches) { if (count ($matches) < 4) return '; if (Empty ($matches [3])) return '; $matches [3] = RTrim ($matches [3], ' \ ' "/'); Working with anchor points if (Substr_count ($matches [3], ' # ') >0) $matches [3] = substr ($matches [3],0,strrpos ($matches [3], ' # ')); Gets the ID of the HTML $parent _dir_num = Substr_count ($matches [3], ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($matches [3], './'); $txtfile _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($txtfile _id)) { if ($this->moudle = = ' Dresult ') { Return " ci->config->item (" Base_url ")." cdms/". $this->moudle." /readfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } else { Return " ci->config->item (" Base_url ")." cdms/". $this->moudle." /txtfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } } else { Return "<> } } Private Function Frame_replace ($matches) { if (count ($matches) < 4) return '; if (Empty ($matches [3])) return '; $matches [3] = RTrim ($matches [3], ' \ ' "/'); Working with anchor points if (Substr_count ($matches [3], ' # ') >0) $matches [3] = substr ($matches [3],0,strrpos ($matches [3], ' # ')); Gets the ID of the HTML $parent _dir_num = Substr_count ($matches [3], ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($matches [3], './'); $txtfile _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($txtfile _id)) { if ($this->moudle = = ' Dresult ') { Return " ci->config->item (" Base_url ")." cdms/". $this->moudle." /readfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } else { Return " ci->config->item (" Base_url ")." cdms/". $this->moudle." /txtfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. $matches [4]; } } else { Return "<> } } Private Function Js_replace ($matches) { if (count ($matches) < 4) return '; if (Empty ($matches [3])) return '; Working with links $arr _html = Split (', ', $matches [3]); $href = $arr _html[0]; $other = "; for ($i =0; $i $other = $arr _html[$i]. ","; $other = RTrim ($other, "\,"); $href =rtrim ($href, ' \ ' \ '); Working with anchor points if (Substr_count ($href, ' # ') >0) Return "window.open". $matches [1]. $matches [2]. $matches [3]. $matches [4]; Gets the ID of the HTML $parent _dir_num = Substr_count ($href, ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($href, './'); $txtfile _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($txtfile _id)) { if ($this->moudle = = ' Dresult ') { Return "window.open". $matches [1]. $matches [2]. $this->ci->config->item ("Base_url"). " cdms/". $this->moudle." /readfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. ', '. $other. $matches [4]; } else { Return "window.open". $matches [1]. $matches [2]. $this->ci->config->item ("Base_url"). " cdms/". $this->moudle." /txtfile/$txtfile _id?pid= ". $this->projectid. $matches [2]. ', '. $other. $matches [4]; } } else { Return "window.open". $matches [1]. $matches [2]. $matches [3]. $matches [4]; } } Private Function Css_replace ($matches) { if (count ($matches) < 5) return '; if (Empty ($matches [4])) return '; $matches [4] = RTrim ($matches [4], ' \ ' "/'); Get the ID of a picture $parent _dir_num = Substr_count ($matches [4], ' ... /'); $relative _dirname = $this->relative_dirname; for ($i =0; $i < $parent _dir_num; $i + +) { $relative _dirname = substr ($relative _dirname, 0, Strrpos ($relative _dirname, "/")); } $relativepath = RTrim ($relative _dirname, '/'). '/'. LTrim ($matches [4], './'); $image _id = $this->ci->model->get_id_by_path_and_project ($relativepath, $this->projectid); Output if (!empty ($image _id)) { if ($this->moudle = = ' Dresult ') { Return "Background". $matches [1]. " URL ". $matches [2]. $matches [3]. $this->ci->config->item (" Base_url ")." cdms/". $this->moudle." /readpic/$image _id?pid= ". $this->projectid. $matches [3]. $matches [5]; } else { Return "Background". $matches [1]. " URL ". $matches [2]. $matches [3]. $this->ci->config->item (" Base_url ")." cdms/". $this->moudle." /picfile/$image _id?pid= ". $this->projectid. $matches [3]. $matches [5]; } } else { Return "Background". $matches [1]. " URL ". $matches [2]. $matches [3]. $matches [4]. $matches [3]. $matches [5]; } } } /* End of myreplace.php */ /* Location:/application/libraries/myreplace.php */ Copy Code

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