ThinkTemplate.class.php 28 KB

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  1. <?php
  2. // +----------------------------------------------------------------------
  3. // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
  4. // +----------------------------------------------------------------------
  5. // | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
  6. // +----------------------------------------------------------------------
  7. // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
  8. // +----------------------------------------------------------------------
  9. // | Author: liu21st <liu21st@gmail.com>
  10. // +----------------------------------------------------------------------
  11. /**
  12. * ThinkPHP内置模板引擎类
  13. * 支持XML标签和普通标签的模板解析
  14. * 编译型模板引擎 支持动态缓存
  15. * @category Think
  16. * @package Think
  17. * @subpackage Template
  18. * @author liu21st <liu21st@gmail.com>
  19. */
  20. class ThinkTemplate {
  21. // 模板页面中引入的标签库列表
  22. protected $tagLib = array();
  23. // 当前模板文件
  24. protected $templateFile = '';
  25. // 模板变量
  26. public $tVar = array();
  27. public $config = array();
  28. private $literal = array();
  29. private $block = array();
  30. /**
  31. * 架构函数
  32. * @access public
  33. */
  34. public function __construct(){
  35. $this->config['cache_path'] = C('CACHE_PATH');
  36. $this->config['template_suffix'] = C('TMPL_TEMPLATE_SUFFIX');
  37. $this->config['cache_suffix'] = C('TMPL_CACHFILE_SUFFIX');
  38. $this->config['tmpl_cache'] = C('TMPL_CACHE_ON');
  39. $this->config['cache_time'] = C('TMPL_CACHE_TIME');
  40. $this->config['taglib_begin'] = $this->stripPreg(C('TAGLIB_BEGIN'));
  41. $this->config['taglib_end'] = $this->stripPreg(C('TAGLIB_END'));
  42. $this->config['tmpl_begin'] = $this->stripPreg(C('TMPL_L_DELIM'));
  43. $this->config['tmpl_end'] = $this->stripPreg(C('TMPL_R_DELIM'));
  44. $this->config['default_tmpl'] = C('TEMPLATE_NAME');
  45. $this->config['layout_item'] = C('TMPL_LAYOUT_ITEM');
  46. }
  47. private function stripPreg($str) {
  48. return str_replace(
  49. array('{','}','(',')','|','[',']','-','+','*','.','^','?'),
  50. array('\{','\}','\(','\)','\|','\[','\]','\-','\+','\*','\.','\^','\?'),
  51. $str);
  52. }
  53. // 模板变量获取和设置
  54. public function get($name) {
  55. if(isset($this->tVar[$name]))
  56. return $this->tVar[$name];
  57. else
  58. return false;
  59. }
  60. public function set($name,$value) {
  61. $this->tVar[$name]= $value;
  62. }
  63. /**
  64. * 加载模板
  65. * @access public
  66. * @param string $tmplTemplateFile 模板文件
  67. * @param array $templateVar 模板变量
  68. * @param string $prefix 模板标识前缀
  69. * @return void
  70. */
  71. public function fetch($templateFile,$templateVar,$prefix='') {
  72. $this->tVar = $templateVar;
  73. $templateCacheFile = $this->loadTemplate($templateFile,$prefix);
  74. // 模板阵列变量分解成为独立变量
  75. extract($templateVar, EXTR_OVERWRITE);
  76. //载入模版缓存文件
  77. include $templateCacheFile;
  78. }
  79. /**
  80. * 加载主模板并缓存
  81. * @access public
  82. * @param string $tmplTemplateFile 模板文件
  83. * @param string $prefix 模板标识前缀
  84. * @return string
  85. * @throws ThinkExecption
  86. */
  87. public function loadTemplate ($tmplTemplateFile,$prefix='') {
  88. if(is_file($tmplTemplateFile)) {
  89. $this->templateFile = $tmplTemplateFile;
  90. // 读取模板文件内容
  91. $tmplContent = file_get_contents($tmplTemplateFile);
  92. }else{
  93. $tmplContent = $tmplTemplateFile;
  94. }
  95. // 根据模版文件名定位缓存文件
  96. $tmplCacheFile = $this->config['cache_path'].$prefix.md5($tmplTemplateFile).$this->config['cache_suffix'];
  97. // 判断是否启用布局
  98. if(C('LAYOUT_ON')) {
  99. if(false !== strpos($tmplContent,'{__NOLAYOUT__}')) { // 可以单独定义不使用布局
  100. $tmplContent = str_replace('{__NOLAYOUT__}','',$tmplContent);
  101. }else{ // 替换布局的主体内容
  102. $layoutFile = THEME_PATH.C('LAYOUT_NAME').$this->config['template_suffix'];
  103. $tmplContent = str_replace($this->config['layout_item'],$tmplContent,file_get_contents($layoutFile));
  104. }
  105. }
  106. // 编译模板内容
  107. $tmplContent = $this->compiler($tmplContent);
  108. // 检测模板目录
  109. $dir = dirname($tmplCacheFile);
  110. if(!is_dir($dir))
  111. mkdir($dir,0755,true);
  112. //重写Cache文件
  113. if( false === file_put_contents($tmplCacheFile,trim($tmplContent)))
  114. throw_exception(L('_CACHE_WRITE_ERROR_').':'.$tmplCacheFile);
  115. return $tmplCacheFile;
  116. }
  117. /**
  118. * 编译模板文件内容
  119. * @access protected
  120. * @param mixed $tmplContent 模板内容
  121. * @return string
  122. */
  123. protected function compiler($tmplContent) {
  124. //模板解析
  125. $tmplContent = $this->parse($tmplContent);
  126. // 还原被替换的Literal标签
  127. $tmplContent = preg_replace('/<!--###literal(\d+)###-->/eis',"\$this->restoreLiteral('\\1')",$tmplContent);
  128. // 添加安全代码
  129. $tmplContent = '<?php if (!defined(\'THINK_PATH\')) exit();?>'.$tmplContent;
  130. if(C('TMPL_STRIP_SPACE')) {
  131. /* 去除html空格与换行 */
  132. $find = array('~>\s+<~','~>(\s+\n|\r)~');
  133. $replace = array('><','>');
  134. $tmplContent = preg_replace($find, $replace, $tmplContent);
  135. }
  136. // 优化生成的php代码
  137. $tmplContent = str_replace('?><?php','',$tmplContent);
  138. return strip_whitespace($tmplContent);
  139. }
  140. /**
  141. * 模板解析入口
  142. * 支持普通标签和TagLib解析 支持自定义标签库
  143. * @access public
  144. * @param string $content 要解析的模板内容
  145. * @return string
  146. */
  147. public function parse($content) {
  148. // 内容为空不解析
  149. if(empty($content)) return '';
  150. $begin = $this->config['taglib_begin'];
  151. $end = $this->config['taglib_end'];
  152. // 检查include语法
  153. $content = $this->parseInclude($content);
  154. // 检查PHP语法
  155. $content = $this->parsePhp($content);
  156. // 首先替换literal标签内容
  157. $content = preg_replace('/'.$begin.'literal'.$end.'(.*?)'.$begin.'\/literal'.$end.'/eis',"\$this->parseLiteral('\\1')",$content);
  158. // 获取需要引入的标签库列表
  159. // 标签库只需要定义一次,允许引入多个一次
  160. // 一般放在文件的最前面
  161. // 格式:<taglib name="html,mytag..." />
  162. // 当TAGLIB_LOAD配置为true时才会进行检测
  163. if(C('TAGLIB_LOAD')) {
  164. $this->getIncludeTagLib($content);
  165. if(!empty($this->tagLib)) {
  166. // 对导入的TagLib进行解析
  167. foreach($this->tagLib as $tagLibName) {
  168. $this->parseTagLib($tagLibName,$content);
  169. }
  170. }
  171. }
  172. // 预先加载的标签库 无需在每个模板中使用taglib标签加载 但必须使用标签库XML前缀
  173. if(C('TAGLIB_PRE_LOAD')) {
  174. $tagLibs = explode(',',C('TAGLIB_PRE_LOAD'));
  175. foreach ($tagLibs as $tag){
  176. $this->parseTagLib($tag,$content);
  177. }
  178. }
  179. // 内置标签库 无需使用taglib标签导入就可以使用 并且不需使用标签库XML前缀
  180. $tagLibs = explode(',',C('TAGLIB_BUILD_IN'));
  181. foreach ($tagLibs as $tag){
  182. $this->parseTagLib($tag,$content,true);
  183. }
  184. //解析普通模板标签 {tagName}
  185. $content = preg_replace('/('.$this->config['tmpl_begin'].')([^\d\s'.$this->config['tmpl_begin'].$this->config['tmpl_end'].'].+?)('.$this->config['tmpl_end'].')/eis',"\$this->parseTag('\\2')",$content);
  186. return $content;
  187. }
  188. // 检查PHP语法
  189. protected function parsePhp($content) {
  190. if(ini_get('short_open_tag')){
  191. // 开启短标签的情况要将<?标签用echo方式输出 否则无法正常输出xml标识
  192. $content = preg_replace('/(<\?(?!php|=|$))/i', '<?php echo \'\\1\'; ?>'."\n", $content );
  193. }
  194. // PHP语法检查
  195. if(C('TMPL_DENY_PHP') && false !== strpos($content,'<?php')) {
  196. throw_exception(L('_NOT_ALLOW_PHP_'));
  197. }
  198. return $content;
  199. }
  200. // 解析模板中的布局标签
  201. protected function parseLayout($content) {
  202. // 读取模板中的布局标签
  203. $find = preg_match('/'.$this->config['taglib_begin'].'layout\s(.+?)\s*?\/'.$this->config['taglib_end'].'/is',$content,$matches);
  204. if($find) {
  205. //替换Layout标签
  206. $content = str_replace($matches[0],'',$content);
  207. //解析Layout标签
  208. $array = $this->parseXmlAttrs($matches[1]);
  209. if(!C('LAYOUT_ON') || C('LAYOUT_NAME') !=$array['name'] ) {
  210. // 读取布局模板
  211. $layoutFile = THEME_PATH.$array['name'].$this->config['template_suffix'];
  212. $replace = isset($array['replace'])?$array['replace']:$this->config['layout_item'];
  213. // 替换布局的主体内容
  214. $content = str_replace($replace,$content,file_get_contents($layoutFile));
  215. }
  216. }else{
  217. $content = str_replace('{__NOLAYOUT__}','',$content);
  218. }
  219. return $content;
  220. }
  221. // 解析模板中的include标签
  222. protected function parseInclude($content) {
  223. // 解析继承
  224. $content = $this->parseExtend($content);
  225. // 解析布局
  226. $content = $this->parseLayout($content);
  227. // 读取模板中的include标签
  228. $find = preg_match_all('/'.$this->config['taglib_begin'].'include\s(.+?)\s*?\/'.$this->config['taglib_end'].'/is',$content,$matches);
  229. if($find) {
  230. for($i=0;$i<$find;$i++) {
  231. $include = $matches[1][$i];
  232. $array = $this->parseXmlAttrs($include);
  233. $file = $array['file'];
  234. unset($array['file']);
  235. $content = str_replace($matches[0][$i],$this->parseIncludeItem($file,$array),$content);
  236. }
  237. }
  238. return $content;
  239. }
  240. // 解析模板中的extend标签
  241. protected function parseExtend($content) {
  242. $begin = $this->config['taglib_begin'];
  243. $end = $this->config['taglib_end'];
  244. // 读取模板中的继承标签
  245. $find = preg_match('/'.$begin.'extend\s(.+?)\s*?\/'.$end.'/is',$content,$matches);
  246. if($find) {
  247. //替换extend标签
  248. $content = str_replace($matches[0],'',$content);
  249. // 记录页面中的block标签
  250. preg_replace('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/eis',"\$this->parseBlock('\\1','\\2')",$content);
  251. // 读取继承模板
  252. $array = $this->parseXmlAttrs($matches[1]);
  253. $content = $this->parseTemplateName($array['name']);
  254. // 替换block标签
  255. $content = preg_replace('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/eis',"\$this->replaceBlock('\\1','\\2')",$content);
  256. }else{
  257. $content = preg_replace('/'.$begin.'block\sname=(.+?)\s*?'.$end.'(.*?)'.$begin.'\/block'.$end.'/eis',"stripslashes('\\2')",$content);
  258. }
  259. return $content;
  260. }
  261. /**
  262. * 分析XML属性
  263. * @access private
  264. * @param string $attrs XML属性字符串
  265. * @return array
  266. */
  267. private function parseXmlAttrs($attrs) {
  268. $xml = '<tpl><tag '.$attrs.' /></tpl>';
  269. $xml = simplexml_load_string($xml);
  270. if(!$xml)
  271. throw_exception(L('_XML_TAG_ERROR_'));
  272. $xml = (array)($xml->tag->attributes());
  273. $array = array_change_key_case($xml['@attributes']);
  274. return $array;
  275. }
  276. /**
  277. * 替换页面中的literal标签
  278. * @access private
  279. * @param string $content 模板内容
  280. * @return string|false
  281. */
  282. private function parseLiteral($content) {
  283. if(trim($content)=='') return '';
  284. $content = stripslashes($content);
  285. $i = count($this->literal);
  286. $parseStr = "<!--###literal{$i}###-->";
  287. $this->literal[$i] = $content;
  288. return $parseStr;
  289. }
  290. /**
  291. * 还原被替换的literal标签
  292. * @access private
  293. * @param string $tag literal标签序号
  294. * @return string|false
  295. */
  296. private function restoreLiteral($tag) {
  297. // 还原literal标签
  298. $parseStr = $this->literal[$tag];
  299. // 销毁literal记录
  300. unset($this->literal[$tag]);
  301. return $parseStr;
  302. }
  303. /**
  304. * 记录当前页面中的block标签
  305. * @access private
  306. * @param string $name block名称
  307. * @param string $content 模板内容
  308. * @return string
  309. */
  310. private function parseBlock($name,$content) {
  311. $this->block[$name] = $content;
  312. return '';
  313. }
  314. /**
  315. * 替换继承模板中的block标签
  316. * @access private
  317. * @param string $name block名称
  318. * @param string $content 模板内容
  319. * @return string
  320. */
  321. private function replaceBlock($name,$content) {
  322. // 替换block标签 没有重新定义则使用原来的
  323. $replace = isset($this->block[$name])? $this->block[$name] : $content;
  324. return stripslashes($replace);
  325. }
  326. /**
  327. * 搜索模板页面中包含的TagLib库
  328. * 并返回列表
  329. * @access public
  330. * @param string $content 模板内容
  331. * @return string|false
  332. */
  333. public function getIncludeTagLib(& $content) {
  334. //搜索是否有TagLib标签
  335. $find = preg_match('/'.$this->config['taglib_begin'].'taglib\s(.+?)(\s*?)\/'.$this->config['taglib_end'].'\W/is',$content,$matches);
  336. if($find) {
  337. //替换TagLib标签
  338. $content = str_replace($matches[0],'',$content);
  339. //解析TagLib标签
  340. $array = $this->parseXmlAttrs($matches[1]);
  341. $this->tagLib = explode(',',$array['name']);
  342. }
  343. return;
  344. }
  345. /**
  346. * TagLib库解析
  347. * @access public
  348. * @param string $tagLib 要解析的标签库
  349. * @param string $content 要解析的模板内容
  350. * @param boolen $hide 是否隐藏标签库前缀
  351. * @return string
  352. */
  353. public function parseTagLib($tagLib,&$content,$hide=false) {
  354. $begin = $this->config['taglib_begin'];
  355. $end = $this->config['taglib_end'];
  356. $className = 'TagLib'.ucwords($tagLib);
  357. $tLib = Think::instance($className);
  358. foreach ($tLib->getTags() as $name=>$val){
  359. $tags = array($name);
  360. if(isset($val['alias'])) {// 别名设置
  361. $tags = explode(',',$val['alias']);
  362. $tags[] = $name;
  363. }
  364. $level = isset($val['level'])?$val['level']:1;
  365. $closeTag = isset($val['close'])?$val['close']:true;
  366. foreach ($tags as $tag){
  367. $parseTag = !$hide? $tagLib.':'.$tag: $tag;// 实际要解析的标签名称
  368. if(!method_exists($tLib,'_'.$tag)) {
  369. // 别名可以无需定义解析方法
  370. $tag = $name;
  371. }
  372. $n1 = empty($val['attr'])?'(\s*?)':'\s([^'.$end.']*)';
  373. if (!$closeTag){
  374. $patterns = '/'.$begin.$parseTag.$n1.'\/(\s*?)'.$end.'/eis';
  375. $replacement = "\$this->parseXmlTag('$tagLib','$tag','$1','')";
  376. $content = preg_replace($patterns, $replacement,$content);
  377. }else{
  378. $patterns = '/'.$begin.$parseTag.$n1.$end.'(.*?)'.$begin.'\/'.$parseTag.'(\s*?)'.$end.'/eis';
  379. $replacement = "\$this->parseXmlTag('$tagLib','$tag','$1','$2')";
  380. for($i=0;$i<$level;$i++)
  381. $content=preg_replace($patterns,$replacement,$content);
  382. }
  383. }
  384. }
  385. }
  386. /**
  387. * 解析标签库的标签
  388. * 需要调用对应的标签库文件解析类
  389. * @access public
  390. * @param string $tagLib 标签库名称
  391. * @param string $tag 标签名
  392. * @param string $attr 标签属性
  393. * @param string $content 标签内容
  394. * @return string|false
  395. */
  396. public function parseXmlTag($tagLib,$tag,$attr,$content) {
  397. //if (MAGIC_QUOTES_GPC) {
  398. $attr = stripslashes($attr);
  399. $content= stripslashes($content);
  400. //}
  401. if(ini_get('magic_quotes_sybase'))
  402. $attr = str_replace('\"','\'',$attr);
  403. $tLib = Think::instance('TagLib'.ucwords(strtolower($tagLib)));
  404. $parse = '_'.$tag;
  405. $content = trim($content);
  406. return $tLib->$parse($attr,$content);
  407. }
  408. /**
  409. * 模板标签解析
  410. * 格式: {TagName:args [|content] }
  411. * @access public
  412. * @param string $tagStr 标签内容
  413. * @return string
  414. */
  415. public function parseTag($tagStr){
  416. //if (MAGIC_QUOTES_GPC) {
  417. $tagStr = stripslashes($tagStr);
  418. //}
  419. //还原非模板标签
  420. if(preg_match('/^[\s|\d]/is',$tagStr))
  421. //过滤空格和数字打头的标签
  422. return C('TMPL_L_DELIM') . $tagStr .C('TMPL_R_DELIM');
  423. $flag = substr($tagStr,0,1);
  424. $flag2 = substr($tagStr,1,1);
  425. $name = substr($tagStr,1);
  426. if('$' == $flag && '.' != $flag2 && '(' != $flag2){ //解析模板变量 格式 {$varName}
  427. return $this->parseVar($name);
  428. }elseif('-' == $flag || '+'== $flag){ // 输出计算
  429. return '<?php echo '.$flag.$name.';?>';
  430. }elseif(':' == $flag){ // 输出某个函数的结果
  431. return '<?php echo '.$name.';?>';
  432. }elseif('~' == $flag){ // 执行某个函数
  433. return '<?php '.$name.';?>';
  434. }elseif(substr($tagStr,0,2)=='//' || (substr($tagStr,0,2)=='/*' && substr($tagStr,-2)=='*/')){
  435. //注释标签
  436. return '';
  437. }
  438. // 未识别的标签直接返回
  439. return C('TMPL_L_DELIM') . $tagStr .C('TMPL_R_DELIM');
  440. }
  441. /**
  442. * 模板变量解析,支持使用函数
  443. * 格式: {$varname|function1|function2=arg1,arg2}
  444. * @access public
  445. * @param string $varStr 变量数据
  446. * @return string
  447. */
  448. public function parseVar($varStr){
  449. $varStr = trim($varStr);
  450. static $_varParseList = array();
  451. //如果已经解析过该变量字串,则直接返回变量值
  452. if(isset($_varParseList[$varStr])) return $_varParseList[$varStr];
  453. $parseStr = '';
  454. $varExists = true;
  455. if(!empty($varStr)){
  456. $varArray = explode('|',$varStr);
  457. //取得变量名称
  458. $var = array_shift($varArray);
  459. if('Think.' == substr($var,0,6)){
  460. // 所有以Think.打头的以特殊变量对待 无需模板赋值就可以输出
  461. $name = $this->parseThinkVar($var);
  462. }elseif( false !== strpos($var,'.')) {
  463. //支持 {$var.property}
  464. $vars = explode('.',$var);
  465. $var = array_shift($vars);
  466. switch(strtolower(C('TMPL_VAR_IDENTIFY'))) {
  467. case 'array': // 识别为数组
  468. $name = '$'.$var;
  469. foreach ($vars as $key=>$val)
  470. $name .= '["'.$val.'"]';
  471. break;
  472. case 'obj': // 识别为对象
  473. $name = '$'.$var;
  474. foreach ($vars as $key=>$val)
  475. $name .= '->'.$val;
  476. break;
  477. default: // 自动判断数组或对象 只支持二维
  478. $name = 'is_array($'.$var.')?$'.$var.'["'.$vars[0].'"]:$'.$var.'->'.$vars[0];
  479. }
  480. }elseif(false !== strpos($var,'[')) {
  481. //支持 {$var['key']} 方式输出数组
  482. $name = "$".$var;
  483. preg_match('/(.+?)\[(.+?)\]/is',$var,$match);
  484. $var = $match[1];
  485. }elseif(false !==strpos($var,':') && false ===strpos($var,'(') && false ===strpos($var,'::') && false ===strpos($var,'?')){
  486. //支持 {$var:property} 方式输出对象的属性
  487. $vars = explode(':',$var);
  488. $var = str_replace(':','->',$var);
  489. $name = "$".$var;
  490. $var = $vars[0];
  491. }else {
  492. $name = "$$var";
  493. }
  494. //对变量使用函数
  495. if(count($varArray)>0)
  496. $name = $this->parseVarFunction($name,$varArray);
  497. $parseStr = '<?php echo ('.$name.'); ?>';
  498. }
  499. $_varParseList[$varStr] = $parseStr;
  500. return $parseStr;
  501. }
  502. /**
  503. * 对模板变量使用函数
  504. * 格式 {$varname|function1|function2=arg1,arg2}
  505. * @access public
  506. * @param string $name 变量名
  507. * @param array $varArray 函数列表
  508. * @return string
  509. */
  510. public function parseVarFunction($name,$varArray){
  511. //对变量使用函数
  512. $length = count($varArray);
  513. //取得模板禁止使用函数列表
  514. $template_deny_funs = explode(',',C('TMPL_DENY_FUNC_LIST'));
  515. for($i=0;$i<$length ;$i++ ){
  516. $args = explode('=',$varArray[$i],2);
  517. //模板函数过滤
  518. $fun = strtolower(trim($args[0]));
  519. switch($fun) {
  520. case 'default': // 特殊模板函数
  521. $name = '('.$name.')?('.$name.'):'.$args[1];
  522. break;
  523. default: // 通用模板函数
  524. if(!in_array($fun,$template_deny_funs)){
  525. if(isset($args[1])){
  526. if(strstr($args[1],'###')){
  527. $args[1] = str_replace('###',$name,$args[1]);
  528. $name = "$fun($args[1])";
  529. }else{
  530. $name = "$fun($name,$args[1])";
  531. }
  532. }else if(!empty($args[0])){
  533. $name = "$fun($name)";
  534. }
  535. }
  536. }
  537. }
  538. return $name;
  539. }
  540. /**
  541. * 特殊模板变量解析
  542. * 格式 以 $Think. 打头的变量属于特殊模板变量
  543. * @access public
  544. * @param string $varStr 变量字符串
  545. * @return string
  546. */
  547. public function parseThinkVar($varStr){
  548. $vars = explode('.',$varStr);
  549. $vars[1] = strtoupper(trim($vars[1]));
  550. $parseStr = '';
  551. if(count($vars)>=3){
  552. $vars[2] = trim($vars[2]);
  553. switch($vars[1]){
  554. case 'SERVER':
  555. $parseStr = '$_SERVER[\''.strtoupper($vars[2]).'\']';break;
  556. case 'GET':
  557. $parseStr = '$_GET[\''.$vars[2].'\']';break;
  558. case 'POST':
  559. $parseStr = '$_POST[\''.$vars[2].'\']';break;
  560. case 'COOKIE':
  561. if(isset($vars[3])) {
  562. $parseStr = '$_COOKIE[\''.$vars[2].'\'][\''.$vars[3].'\']';
  563. }else{
  564. $parseStr = 'cookie(\''.$vars[2].'\')';
  565. }
  566. break;
  567. case 'SESSION':
  568. if(isset($vars[3])) {
  569. $parseStr = '$_SESSION[\''.$vars[2].'\'][\''.$vars[3].'\']';
  570. }else{
  571. $parseStr = 'session(\''.$vars[2].'\')';
  572. }
  573. break;
  574. case 'ENV':
  575. $parseStr = '$_ENV[\''.strtoupper($vars[2]).'\']';break;
  576. case 'REQUEST':
  577. $parseStr = '$_REQUEST[\''.$vars[2].'\']';break;
  578. case 'CONST':
  579. $parseStr = strtoupper($vars[2]);break;
  580. case 'LANG':
  581. $parseStr = 'L("'.$vars[2].'")';break;
  582. case 'CONFIG':
  583. if(isset($vars[3])) {
  584. $vars[2] .= '.'.$vars[3];
  585. }
  586. $parseStr = 'C("'.$vars[2].'")';break;
  587. default:break;
  588. }
  589. }else if(count($vars)==2){
  590. switch($vars[1]){
  591. case 'NOW':
  592. $parseStr = "date('Y-m-d g:i a',time())";
  593. break;
  594. case 'VERSION':
  595. $parseStr = 'THINK_VERSION';
  596. break;
  597. case 'TEMPLATE':
  598. $parseStr = "'".$this->templateFile."'";//'C("TEMPLATE_NAME")';
  599. break;
  600. case 'LDELIM':
  601. $parseStr = 'C("TMPL_L_DELIM")';
  602. break;
  603. case 'RDELIM':
  604. $parseStr = 'C("TMPL_R_DELIM")';
  605. break;
  606. default:
  607. if(defined($vars[1]))
  608. $parseStr = $vars[1];
  609. }
  610. }
  611. return $parseStr;
  612. }
  613. /**
  614. * 加载公共模板并缓存 和当前模板在同一路径,否则使用相对路径
  615. * @access private
  616. * @param string $tmplPublicName 公共模板文件名
  617. * @param array $vars 要传递的变量列表
  618. * @return string
  619. */
  620. private function parseIncludeItem($tmplPublicName,$vars=array()){
  621. // 分析模板文件名并读取内容
  622. $parseStr = $this->parseTemplateName($tmplPublicName);
  623. // 替换变量
  624. foreach ($vars as $key=>$val) {
  625. $parseStr = str_replace('['.$key.']',$val,$parseStr);
  626. }
  627. // 再次对包含文件进行模板分析
  628. return $this->parseInclude($parseStr);
  629. }
  630. /**
  631. * 分析加载的模板文件并读取内容 支持多个模板文件读取
  632. * @access private
  633. * @param string $tmplPublicName 模板文件名
  634. * @return string
  635. */
  636. private function parseTemplateName($templateName){
  637. if(substr($templateName,0,1)=='$')
  638. //支持加载变量文件名
  639. $templateName = $this->get(substr($templateName,1));
  640. $array = explode(',',$templateName);
  641. $parseStr = '';
  642. foreach ($array as $templateName){
  643. if(false === strpos($templateName,$this->config['template_suffix'])) {
  644. // 解析规则为 分组@模板主题:模块:操作
  645. if(strpos($templateName,'@')){
  646. list($group,$templateName) = explode('@',$templateName);
  647. if(1==C('APP_GROUP_MODE')){
  648. $basePath = dirname(BASE_LIB_PATH).'/'.$group.'/'.basename(TMPL_PATH).'/'.(THEME_NAME?THEME_NAME.'/':'');
  649. }else{
  650. $basePath = TMPL_PATH.'/'.$group.'/'.(THEME_NAME?THEME_NAME.'/':'');
  651. }
  652. }else{
  653. $basePath = THEME_PATH;
  654. }
  655. $templateName = str_replace(':', '/', $templateName);
  656. $path = explode('/',$templateName);
  657. $action = array_pop($path);
  658. $module = !empty($path)?array_pop($path):MODULE_NAME;
  659. if(!empty($path)) {// 设置模板主题
  660. $basePath = dirname($basePath).'/'.array_pop($path).'/';
  661. }
  662. $templateName = $basePath.$module.C('TMPL_FILE_DEPR').$action.$this->config['template_suffix'];
  663. }
  664. // 获取模板文件内容
  665. $parseStr .= file_get_contents($templateName);
  666. }
  667. return $parseStr;
  668. }
  669. }