1. [PHP]代码
tVal = array();
}
/**
* 设置模版文件目录
* @param string $dir
*/
public function setTemplateDir($dir) {
$this->tDir = $dir;
}
/**
* 是否实时编译
* @param bool $real
*/
public function setReal($real) {
$this->real = (bool) $real;
}
/**
* 设置模板文件的扩展名
* @param string $ext 扩展名
*/
public function setExtName($ext) {
$this->tExtName = $ext;
}
/**
* 临时文件目录
* @param string $dir
*/
public function setTmpDir($dir) {
if (!file_exists($dir)) {
if (!mkdir($dir, 0, true))
die("tmp dir $dir can't to mkdir");
}
$this->tTmpDir = realpath($dir);
}
/**
* URL调度器
* @param Dispatcher $dispatcher
*/
public function setU(&$dispatcher) {
if (is_object($dispatcher) && method_exists($dispatcher, 'U')) {
$this->uDispatcher = $dispatcher;
}
}
/**
* 注册用户自己的函数
* 当$function是string时则是方函数，如果是键值对数组时则键是类名，值是类中的静态方法
* @param mix $function 函数
*/
public function registerFunction($function) {
if (is_array($function)) {
foreach ($function as $key => $value) {
$this->userFunctions['classes'][$key] = $value;
}
} else {
$this->userFunctions['functions'][] = $function;
}
}
/**
* 变量赋值
* 如果$name是一个键值对的数组，则直接使用对$name数组进行赋值
* @param mixed $name 变量名
* @param mixed $value 值
*/
public function assign($name, $value=null) {
if (is_array($name)) {
foreach ($name as $key => $val) {
$this->tVal[$key] = $val;
}
} else {
$this->tVal[$name] = $value;
}
}
/**
* 取得模版的变量
* @param string $name
*/
public function getVal($name) {
if (isset($this->tVal[$name])) {
return $this->tVal[$name];
}else
return false;
}
/**
* 将运行好后的内容，保存到一个html文件中
* @param string $tFile
* @param string $html
*/
public function saveHtml($tFile, $html) {
ob_start();
$this->display($tFile);
$buffer = ob_get_contents();
ob_end_clean();
file_put_contents($html, $buffer);
}
/**
* 运行并显示模版内容
* @param string $tfile
*/
public function display($tFile) {
$this->tFile = $this->parseTemplatePath($tFile);
if (!file_exists($this->getTmpFile()) || $this->real) {
$this->parse();
}
extract($this->tVal, EXTR_OVERWRITE);
include $this->getTmpFile();
}
/**
* 编译好后的文件
* @return string $filepath
*/
private function getTmpFile() {
$basename = basename($this->tFile);
$pos = strrpos($basename, '.');
$tmp = 'tpl_' . substr($basename, 0, $pos) . '.php';
return $this->tTmpDir . '/' . $tmp;
}
private function parse() {
$this->tContent = file_get_contents($this->tFile);
$this->parseInclude();
$this->parseSection();
$this->parseVal();
$this->parseEval();
if (!$this->real) {
//如果是在非调试环境下，则替换一些没用的内容
$search = array("/\r?\n/", "/\s{2,}/");
$repace = array('', '');
$this->tContent = preg_replace($search, $repace, $this->tContent);
}
file_put_contents($this->getTmpFile(), $this->tContent);
}
/**
* 解析模板中的子模板
*/
private function parseInclude() {
for ($i = 0; $i < 6; $i++) {
$this->tContent = preg_replace("/\{template\s+([a-zA-z0-9\._]+)\}/ies", "\$this->subtemplate('$1')", $this->tContent);
}
}
/**
* 获取只模版
* @param string $file
*/
private function subtemplate($file) {
return file_get_contents($this->parseTemplatePath($file));
}
/**
* 解析模版路径
* @param string $file
* @return string $filepath
*/
private function parseTemplatePath($tFile) {
$tFile.=$this->tExtName;
$tFile = $this->tDir ? $this->tDir . '/' . $tFile : $tFile;
if (!file_exists($tFile)) {
die("No template file $tFile");
} else {
$tFile = realpath($tFile);
}
return $tFile;
}
/**
* 解析变量
*/
private function parseVal() {
$this->tContent = preg_replace("/\{(\\$\S+?)\}/is", "", $this->tContent);
}
/**
* 解析段落
*/
private function parseSection() {
//逻辑
$this->tContent = preg_replace("/\{elseif\s+(.+?)\}/ies", "\$this->stripvtags('','')", $this->tContent);
$this->tContent = preg_replace("/\{else\}/is", "", $this->tContent);
$this->tContent = preg_replace("/\{U\((.+?)\)\}/ies", "\$this->parseUrl('$1')", $this->tContent);
//循环
for ($i = 0; $i < 6; $i++) {
$this->tContent = preg_replace("/\{loop\s+(\S+)\s+(\S+)\}(.+?)\{\/loop\}/ies", "\$this->stripvtags('','\\3')", $this->tContent);
$this->tContent = preg_replace("/\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}(.+?)\{\/loop\}/ies", "\$this->stripvtags(' \\3) { ?>','\\4')", $this->tContent);
$this->tContent = preg_replace("/\{if\s+(.+?)\}(.+?)\{\/if\}/ies", "\$this->stripvtags('','\\2')", $this->tContent);
}
}
private function stripvtags($expr, $statement='') {
$expr = str_replace("\\\"", "\"", preg_replace("/\<\?\=(\\\$.+?)\?\>/s", "\\1", $expr));
$statement = str_replace("\\\"", "\"", $statement);
return $expr . $statement;
}
/**
* 解析PHP语句
*/
private function parseEval() {
$this->tContent = preg_replace("/\{eval\s+(.+?)\}/is", "", $this->tContent);
}
/**
* 解析URL
*/
private function parseUrl($url) {
if (is_object($this->uDispatcher)) {
return $this->uDispatcher->U($url);
} else {
return $url;
}
}
}
?>
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