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每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
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864天前<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); |
/** |
* 模板解析缓存 |
*/ |
final class template_cache { |
|
public $cache_path; |
public function __construct() |
{ |
//$CI =& get_instance(); |
$this->cache_path = APPPATH.'views'; |
} |
|
/** |
* 编译模板 |
* |
* @param $module 模块名称 |
* @param $template 模板文件名 |
* @param $istag 是否为标签模板 |
* @return unknown |
*/ |
|
public function template_compile($module, $template, $style = 'default') { |
|
$tplfile= APPPATH.'views'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php'; |
|
if (! file_exists ( $tplfile )) { |
show_error($tplfile , 500 , 'Template does not exist(1)'); |
} |
|
$content = @file_get_contents ( $tplfile ); |
$filepath = $this->cache_path.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR; |
|
|
if(!is_dir($filepath)) { |
mkdir($filepath, 0777, true); |
} |
$compiledtplfile = $filepath.$template.'.php'; |
$content = $this->template_parse($content); |
$strlen = file_put_contents ( $compiledtplfile, $content ); |
chmod ( $compiledtplfile, 0777 ); |
return $strlen; |
} |
|
/** |
* 更新模板缓存 |
* |
* @param $tplfile 模板原文件路径 |
* @param $compiledtplfile 编译完成后，写入文件名 |
* @return $strlen 长度 |
*/ |
public function template_refresh($tplfile, $compiledtplfile) { |
$str = @file_get_contents ($tplfile); |
$str = $this->template_parse ($str); |
$strlen = file_put_contents ($compiledtplfile, $str ); |
chmod ($compiledtplfile, 0777); |
return $strlen; |
} |
|
/** |
* 解析模板 |
* |
* @param $str 模板内容 |
* @return ture |
*/ |
public function template_parse($str) { |
$str = preg_replace ( "/\{template\s+(.+)\}/", "<?php include template(\\1); ?>", $str ); |
$str = preg_replace ( "/\{include\s+(.+)\}/", "<?php include \\1; ?>", $str ); |
$str = preg_replace ( "/\{view\s+(.+)\}/", "<?php \$this->load->view(\\1); ?>", $str ); |
$str = preg_replace ( "/\{php\s+(.+)\}/", "<?php \\1?>", $str ); |
//alex fix |
$str = preg_replace ( "/\{{if\s+(.+?)\}}/", "``if \\1``", $str ); |
$str = preg_replace ( "/\{{else\}}/", "``else``", $str ); |
$str = preg_replace ( "/\{{\/if\}}/", "``/if``", $str ); |
|
$str = preg_replace ( "/\{if\s+(.+?)\}/", "<?php if(\\1) { ?>", $str ); |
$str = preg_replace ( "/\{else\}/", "<?php } else { ?>", $str ); |
$str = preg_replace ( "/\{elseif\s+(.+?)\}/", "<?php } elseif (\\1) { ?>", $str ); |
$str = preg_replace ( "/\{\/if\}/", "<?php } ?>", $str ); |
|
//for 循环 |
$str = preg_replace("/\{for\s+(.+?)\}/","<?php for(\\1) { ?>",$str); |
$str = preg_replace("/\{\/for\}/","<?php } ?>",$str); |
//++ -- |
$str = preg_replace("/\{\+\+(.+?)\}/","<?php ++\\1; ?>",$str); |
$str = preg_replace("/\{\-\-(.+?)\}/","<?php ++\\1; ?>",$str); |
$str = preg_replace("/\{(.+?)\+\+\}/","<?php \\1++; ?>",$str); |
$str = preg_replace("/\{(.+?)\-\-\}/","<?php \\1--; ?>",$str); |
//alex fix |
$str = preg_replace ( "/\``if\s+(.+?)\``/", "{{if \\1}}", $str ); |
$str = preg_replace ( "/\``else``/", "{{else}}", $str ); |
$str = preg_replace ( "/\``\/if\``/", "{{/if}}", $str ); |
|
$str = preg_replace ( "/\{loop\s+(\S+)\s+(\S+)\}/", "<?php \$n=1;if(is_array(\\1)) foreach(\\1 AS \\2) { ?>", $str ); |
$str = preg_replace ( "/\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}/", "<?php \$n=1; if(is_array(\\1)) foreach(\\1 AS \\2 => \\3) { ?>", $str ); |
$str = preg_replace ( "/\{\/loop\}/", "<?php \$n++;}unset(\$n); ?>", $str ); |
$str = preg_replace ( "/\{([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\(([^{}]*)\))\}/", "<?php echo \\1;?>", $str ); |
$str = preg_replace ( "/\{\\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\(([^{}]*)\))\}/", "<?php echo \\1;?>", $str ); |
$str = preg_replace ( "/\{(\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/", "<?php echo \\1;?>", $str ); |
$str = preg_replace("/\{(\\$[a-zA-Z0-9_\[\]\'\"\$\x7f-\xff]+)\}/es", "\$this->addquote('<?php echo \\1;?>')",$str); |
$str = preg_replace ( "/\{([A-Z_\x7f-\xff][A-Z0-9_\x7f-\xff]*)\}/s", "<?php echo \\1;?>", $str ); |
$str = preg_replace("/\{pc:(\w+)\s+([^}]+)\}/ie", "self::pc_tag('$1','$2', '$0')", $str); |
$str = preg_replace("/\{\/pc\}/ie", "self::end_pc_tag()", $str); |
$str = "<?php defined('BASEPATH') or exit('No direct script access allowed.'); ?>" . $str; |
return $str; |
} |
/** |
* 转义 // 为 / |
* |
* @param $var 转义的字符 |
* @return 转义后的字符 |
*/ |
public function addquote($var) { |
return str_replace ( "\\\"", "\"", preg_replace ( "/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s", "['\\1']", $var ) ); |
} |
|
/** |
* 解析PC标签 |
* @param string $op 操作方式 |
* @param string $data 参数 |
* @param string $html 匹配到的所有的HTML代码 |
*/ |
public static function pc_tag($op, $data, $html) { |
preg_match_all("/([a-z]+)\=[\"]?([^\"]+)[\"]?/i", stripslashes($data), $matches, PREG_SET_ORDER); |
$arr = array('action','num','cache','page', 'pagesize', 'urlrule', 'return', 'start','setpages'); |
$tools = array('json', 'xml', 'block', 'get'); |
$datas = array(); |
$tag_id = md5(stripslashes($html)); |
//可视化条件 |
$str_datas = 'op='.$op.'&tag_md5='.$tag_id; |
foreach ($matches as $v) { |
$str_datas .= $str_datas ? "&$v[1]=".($op == 'block' && strpos($v[2], '$') === 0 ? $v[2] : urlencode($v[2])) : "$v[1]=".(strpos($v[2], '$') === 0 ? $v[2] : urlencode($v[2])); |
if(in_array($v[1], $arr)) { |
$$v[1] = $v[2]; |
continue; |
} |
$datas[$v[1]] = $v[2]; |
} |
$str = ''; |
$setpages = isset($setpages) && intval($setpages) ? intval($setpages) : 10; |
$num = isset($num) && intval($num) ? intval($num) : 20; |
$cache = isset($cache) && intval($cache) ? intval($cache) : 0; |
$return = isset($return) && trim($return) ? trim($return) : 'data'; |
if (!isset($urlrule)) $urlrule = ''; |
if (!empty($cache) && !isset($page)) { |
$str .= '$tag_cache_name = md5(implode(\'&\','.self::arr_to_html($datas).').\''.$tag_id.'\');if(!$'.$return.' = tpl_cache($tag_cache_name,'.$cache.')){'; |
} |
if (in_array($op,$tools)) { |
switch ($op) { |
case 'json': |
if (isset($datas['url']) && !empty($datas['url'])) { |
$str .= '$json = @file_get_contents(\''.$datas['url'].'\');'; |
$str .= '$'.$return.' = json_decode($json, true);'; |
} |
break; |
|
case 'block': |
$str .= '$block_tag = pc_base::load_app_class(\'block_tag\', \'block\');'; |
$str .= 'echo $block_tag->pc_tag('.self::arr_to_html($datas).');'; |
break; |
} |
} else { |
if (!isset($action) || empty($action)) return false; |
if ( file_exists(APPPATH.'libraries'.DIRECTORY_SEPARATOR.$op.'_tag.php')) { |
$str .= 'if(!isset($CI))$CI =& get_instance();$CI->load->library("'.$op.'_tag");if (method_exists($CI->'.$op.'_tag, \''.$action.'\')) {'; |
if (isset($start) && intval($start)) { |
$datas['limit'] = intval($start).','.$num; |
} else { |
$datas['limit'] = $num; |
} |
if (isset($page)) { |
$str .= '$pagesize = '.$num.';'; |
$str .= '$page = intval('.$page.') ? intval('.$page.') : 1;if($page<=0){$page=1;}'; |
$str .= '$offset = ($page - 1) * $pagesize;$urlrule="'.$urlrule.'";'; |
$datas['limit'] = '$offset.",".$pagesize'; |
$datas['action'] = $action; |
$str .= '$'.$op.'_total = $CI->'.$op.'_tag->count('.self::arr_to_html($datas).');'; |
|
$str .= 'if($'.$op.'_total>$pagesize){ $pages = pages($'.$op.'_total, $page, $pagesize, $urlrule); } else { $pages="" ;}'; |
} |
$str .= '$'.$return.' = $CI->'.$op.'_tag->'.$action.'('.self::arr_to_html($datas).');'; |
$str .= '}'; |
} |
} |
if (!empty($cache) && !isset($page)) { |
$str .= 'if(!empty($'.$return.')){setcache($tag_cache_name, $'.$return.', \'tpl_data\');}'; |
$str .= '}'; |
} |
return "<"."?php ".$str."?".">"; |
} |
|
/** |
* PC标签结束 |
*/ |
static private function end_pc_tag() { |
return '<?php if(defined(\'IN_ADMIN\') && !defined(\'HTML\')) {if(isset($data))unset($data);echo \'</div>\';}?>'; |
} |
|
/** |
* 转换数据为HTML代码 |
* @param array $data 数组 |
*/ |
private static function arr_to_html($data) { |
if (is_array($data)) { |
$str = 'array('; |
foreach ($data as $key=>$val) { |
if (is_array($val)) { |
$str .= "'$key'=>".self::arr_to_html($val).","; |
} else { |
if (strpos($val, '$')===0) { |
$str .= "'$key'=>$val,"; |
} else { |
$str .= "'$key'=>'".self::new_addslashes($val)."',"; |
} |
} |
} |
return $str.')'; |
} |
return false; |
} |
|
/** |
* 返回经addslashes处理过的字符串或数组 |
* @param $string 需要处理的字符串或数组 |
* @return mixed |
*/ |
function new_addslashes($string){ |
if(!is_array($string)) return addslashes($string); |
foreach($string as $key => $val) $string[$key] = new_addslashes($val); |
return $string; |
} |
} |
