522 lines
21 KiB
PHP
522 lines
21 KiB
PHP
<?php
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/**
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* @copyright (C)2016-2099 Hnaoyun Inc.
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* @author XingMeng
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* @email hnxsh@foxmail.com
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* @date 2016年11月6日
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* 模板解析引擎
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*/
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namespace core\view;
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use core\basic\Config;
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class Parser
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{
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// 模板内容
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private static $content;
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// 模板路径在嵌套时必须
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private static $tplPath;
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// 包含文件
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private static $tplInc = array();
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/**
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* 编译公共方法
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*
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* @param string $tplPath
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* 模板主题目录，需要是物理路径
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* @param string $tplFile
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* 需要解析的模板文件，需要是物理路径
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* @return string|mixed
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*/
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public static function compile($tplPath, $tplFile)
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{
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// 接收模板目录参数
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self::$tplPath = $tplPath;
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// 读取模板内容
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$content = file_get_contents($tplFile) ?: error('模板文件读取错误！' . $tplFile);
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// 去除内容Bom信息;
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self::$content = ltrim($content, "\xEF\xBB\xBF");
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// 解析文件包含，需要优先解析
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self::parInclude();
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// 添加包含文件记录
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self::$content .= "<?php return " . var_export(array_unique(self::$tplInc), 1) . "; ?>";
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// =====以下为直接输出方法=========
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self::parOutputUrl(); // 输出地址
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self::parOutputHomeUrl(); // 输出前端地址
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self::parOutputDefine(); // 输出常量
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self::parOutputVar(); // 输出变量
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self::parOutputObjVal(); // 输出对象
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self::parOutputConfig(); // 输出配置参数
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self::parOutputSession(); // 输出会话Session
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self::parOutputCookie(); // 输出会话Cookie
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self::parOutputServer(); // 输出环境变量
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self::parOutputPost(); // 输出POST请求值
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self::parOutputGet(); // 输出GET请求值
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self::parOutputArrVal(); // 输出数组
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self::parOutputFun(); // 使用函数
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// =========以下为逻辑控制方法==========
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self::parIf(); // IF语句
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self::parForeachVar(); // Foreach语句
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self::parForeachValue(); // Foreach语句嵌套
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self::parForeachObj(); // Foreach对象属性
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self::parNote(); // 备注
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self::parPhp(); // PHP语句
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// ============以下为变量解析方法==========
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self::parVar(); // 解析变量
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self::parObjVar(); // 解析对象
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self::parConfigVar(); // 解析配置
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self::parSession(); // 解析Session
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self::parCookie(); // 解析Cookie
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self::parServer(); // 解析环境变量
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self::parPost(); // 解析POST请求值
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self::parGet(); // 解析GET请求值
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self::parArrVar(); // 解析数组
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self::parFun(); // 解析函数
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// 返回解释的内容
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return self::$content;
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}
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// 解析包含文件，支持多层嵌套
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private static function parInclude()
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{
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$pattern = '/\{include\s+file\s?=\s?([\"\']?)([\w\.\-\/@]+)([\"\']?)\s*\}/';
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if (preg_match_all($pattern, self::$content, $matches)) {
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$arr = $matches[0]; // 匹配到的所有“包含字符串”：{include file='head.html'}
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$brr = $matches[2]; // 包含的文件名：head.html
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$count = count($arr);
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for ($i = 0; $i < $count; $i ++) {
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// 然包含文件支持绝对路径，以/开头
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if (strpos($brr[$i], '/') === 0) {
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$inc_file = ROOT_PATH . $brr[$i];
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} elseif (! ! $pos = strpos($brr[$i], '@')) {
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$inc_file = APP_PATH . '/' . substr($brr[$i], 0, $pos) . '/view/' . basename(self::$tplPath) . '/' . substr($brr[$i], $pos + 1);
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} else {
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if (M == 'home') { // 前台适应模板子目录
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$htmldir = Config::get('tpl_html_dir') ? Config::get('tpl_html_dir') . '/' : '';
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$inc_file = self::$tplPath . '/' . $htmldir . $brr[$i];
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} else {
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$inc_file = self::$tplPath . '/' . $brr[$i];
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}
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}
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file_exists($inc_file) ?: error('包含文件不存在！' . $inc_file);
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if (! $inc_content = file_get_contents($inc_file)) {
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error('包含的模板文件' . $brr[$i] . '读取错误！');
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} else {
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self::$content = str_replace($arr[$i], $inc_content, self::$content); // 包含内容
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self::$tplInc[] = $inc_file;
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}
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}
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// 最大数量不超过50，防止互相包含导致无限循环
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if (count(self::$tplInc) < 50) {
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self::parInclude();
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} else {
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error('检测到您模板中包含文件超过50个，请检查是否存在互相包含导致无限循环的情况！');
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}
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} else {
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return false;
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}
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}
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// 解析地址输出 {url./admin/index/index}
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private static function parOutputUrl()
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{
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$pattern = '/\{url\.([^\}]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo \\core\\basic\\Url::get('$1');?>", self::$content);
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}
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}
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// 解析地址输出 {homeurl./home/index/index}
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private static function parOutputHomeUrl()
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{
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$pattern = '/\{homeurl\.([^\}]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo \\core\\basic\\Url::home('$1');?>", self::$content);
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}
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}
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// 解析输出常量 如：{DB_HOST}
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private static function parOutputDefine()
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{
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$pattern = '/\{([A-Z_]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo $1;?>", self::$content);
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}
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}
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// 解析输出普通变量 如：{$name}
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private static function parOutputVar()
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{
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$pattern = '/\{\$([\w]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo \$this->getVar('$1');?>", self::$content);
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}
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}
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// 解析输出对象变量 如：{$user->name}
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private static function parOutputObjVal()
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{
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$pattern = '/\{\$([\w]+)(\->)(\{?)([^}]+)(\}?)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo @\$this->getVar('$1')$2$3$4$5;?>", self::$content);
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}
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}
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// 解析输出配置 如：{$config.public_app},支持多级
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private static function parOutputConfig()
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{
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$pattern = '/\{\$config\.([\w\.]+)\}/';
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if (preg_match_all($pattern, self::$content, $matchs)) {
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foreach ($matchs[0] as $key => $value) {
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if (strpos($matchs[1][$key], 'database') === false) {
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self::$content = str_replace($matchs[0][$key], "<?php print_r(\\core\\basic\\Config::get('" . $matchs[1][$key] . "'));?>", self::$content);
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}
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}
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}
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}
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// 解析输出Session变量 如：{$session.username},支持多级
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private static function parOutputSession()
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{
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$pattern = '/\{\$session\.([\w\.]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo session('$1');?>", self::$content);
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}
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}
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// 解析输出Cookie变量 如：{$cookie.username}
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private static function parOutputCookie()
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{
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$pattern = '/\{\$cookie\.([\w]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo cookie('$1');?>", self::$content);
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}
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}
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// 解析输出Server变量 如：{$server.PATH_INFO}
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private static function parOutputServer()
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{
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$pattern = '/\{\$server\.([\w\-]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo escape_string(\$_SERVER['$1']);?>", self::$content);
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}
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}
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// 解析输出POST变量 如：{$post.username}
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private static function parOutputPost()
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{
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$pattern = '/\{\$post\.([\w\-]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo post('$1');?>", self::$content);
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}
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}
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// 解析输出GET变量 如：{$get.username}
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private static function parOutputGet()
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{
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$pattern = '/\{\$get\.([\w\-]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo get('$1');?>", self::$content);
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}
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}
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// 解析输出数组变量 如：{$user['name']} 2.0修改为：{$user.name},支持二维数组{$user.name.sex}
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private static function parOutputArrVal()
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{
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$pattern = '/\{\$([\w]+)\.([\w\-]+)(\.([\w\-]+))?\}/';
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if (preg_match_all($pattern, self::$content, $matches)) {
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foreach ($matches[0] as $key => $value) {
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if ($matches[3][$key]) {
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self::$content = preg_replace($pattern, "<?php echo @\$this->vars['$1']['$2']['$4'];?>", self::$content);
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} else {
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self::$content = preg_replace($pattern, "<?php echo @\$this->vars['$1']['$2'];?>", self::$content);
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}
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}
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}
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}
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// 应用函数 如：{fun=md5('aaa')}
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private static function parOutputFun()
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{
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$pattern = '/\{fun\s?=\s?([^\}]+)\}/';
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if (preg_match($pattern, self::$content)) {
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self::$content = preg_replace($pattern, "<?php echo $1;?>", self::$content);
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}
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}
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// 解析if语句 例：{if(a==b)}aaaa{else}bbbb{/if}
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private static function parIf()
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{
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$pattern = '/\{if\(([^}]+)\)\s*\}([\s\S]*)\{\/if\}/';
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$pattern_if = '/\{if\(([^}]+)\)\s*\}/';
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$pattern_end_if = '/\{\/if\}/';
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$pattern_else = '/\{else\}/';
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// 未配对的if不进行解析
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if (preg_match_all($pattern, self::$content, $matches)) {
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$count = count($matches[0]);
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for ($i = 0; $i < $count; $i ++) {
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$content = preg_replace($pattern_if, "<?php if ($1) {?>", $matches[0][$i]);
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$content = preg_replace($pattern_end_if, "<?php } ?>", $content);
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$content = preg_replace($pattern_else, "<?php } else { ?>", $content);
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self::$content = str_replace($matches[0][$i], $content, self::$content);
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}
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}
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}
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// 解析循环语句 {foreach $var(key,value,num)}...[num][value->name]或[value]...{/foreach}
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private static function parForeachVar()
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{
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$pattern_foreach = '/\{foreach\s+\$([\w]+)\(([\w]+),([\w]+)(,([\w]+))?\)\}/';
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$pattern_end_foreach = '/\{\/foreach\}/';
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if (preg_match_all($pattern_foreach, self::$content, $matches)) {
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$count = count($matches[0]);
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for ($i = 0; $i < $count; $i ++) {
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if (! $matches[5][$i]) {
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$matches[5][$i] = 'num';
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}
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// 解析首标签
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self::$content = str_replace($matches[0][$i], "<?php \$" . $matches[5][$i] . " = 0;foreach (\$this->getVar('" . $matches[1][$i] . "') as \$" . $matches[2][$i] . " => \$" . $matches[3][$i] . ") { \$" . $matches[5][$i] . "++;?>", self::$content);
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// 解析序号
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$pattern_num = '/\[(' . $matches[5][$i] . ')\]/';
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if (preg_match($pattern_num, self::$content)) {
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if (defined('PAGE')) {
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self::$content = preg_replace($pattern_num, "<?php echo @(PAGE-1)*PAGESIZE+\$$1; ?>", self::$content);
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} else {
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self::$content = preg_replace($pattern_num, "<?php echo \$$1; ?>", self::$content);
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}
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}
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// 解析key
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$pattern_key = '/\[(' . $matches[2][$i] . ')\]/';
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if (preg_match($pattern_key, self::$content)) {
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self::$content = preg_replace($pattern_key, "<?php echo \$$1; ?>", self::$content);
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}
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// 解析内部变量
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$pattern_var = '/\[(' . $matches[3][$i] . ')(\[[\'\"][\w]+[\'\"]\])?(\-\>[\w$]+)?\]/';
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self::$content = preg_replace($pattern_var, "<?php echo \$$1$2$3; ?>", self::$content);
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}
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// 解析闭合标签
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self::$content = str_replace('{/foreach}', "<?php } ?>", self::$content);
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}
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}
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// 解析循环语句嵌套 {foreach $value->name(key,value,num)}...[num][value->name]或[value]...{/foreach}
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private static function parForeachValue()
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{
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$pattern_foreach = '/\{foreach\s+\$([\w][\w\->]+)\(([\w]+),([\w]+)(,([\w]+))?\)\}/';
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$pattern_end_foreach = '/\{\/foreach\}/';
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if (preg_match_all($pattern_foreach, self::$content, $matches)) {
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$count = count($matches[0]);
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for ($i = 0; $i < $count; $i ++) {
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if (! $matches[5][$i]) {
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$matches[5][$i] = 'num';
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}
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// 解析首标签
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self::$content = str_replace($matches[0][$i], "<?php \$" . $matches[5][$i] . " = 0;foreach (\$" . $matches[1][$i] . " as \$" . $matches[2][$i] . " => \$" . $matches[3][$i] . ") { \$" . $matches[5][$i] . "++;?>", self::$content);
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// 解析序号
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$pattern_num = '/\[(' . $matches[5][$i] . ')\]/';
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if (preg_match($pattern_num, self::$content)) {
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if (defined('PAGE')) {
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self::$content = preg_replace($pattern_num, "<?php echo (PAGE-1)*PAGESIZE+\$$1; ?>", self::$content);
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} else {
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self::$content = preg_replace($pattern_num, "<?php echo \$$1; ?>", self::$content);
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}
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}
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// 解析key
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$pattern_key = '/\[(' . $matches[2][$i] . ')\]/';
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if (preg_match($pattern_key, self::$content)) {
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self::$content = preg_replace($pattern_key, "<?php echo \$$1; ?>", self::$content);
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}
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// 解析内部变量
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$pattern_var = '/\[(' . $matches[3][$i] . ')(\[[\'\"][\w]+[\'\"]\])?(\-\>[\w$]+)?\]/';
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self::$content = preg_replace($pattern_var, "<?php echo \$$1$2$3; ?>", self::$content);
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}
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// 解析闭合标签
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self::$content = str_replace('{/foreach}', "<?php }?>", self::$content);
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}
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}
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// 解析循环语句 {foreach [$var->name](key,value,num)}...{/foreach}
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private static function parForeachObj()
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{
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$pattern_foreach = '/\{foreach\s+\[\$([\w]+)\-\>([\w]+)\]\(([\w]+),([\w]+)(,([\w]+))?\)\}/';
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$pattern_end_foreach = '/\{\/foreach\}/';
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if (preg_match_all($pattern_foreach, self::$content, $matches)) {
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$count = count($matches[0]);
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for ($i = 0; $i < $count; $i ++) {
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if (! $matches[6][$i]) {
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$matches[6][$i] = 'num';
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}
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// 解析首标签
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self::$content = str_replace($matches[0][$i], "<?php \$" . $matches[6][$i] . " = 0;foreach (\$this->getVar('" . $matches[1][$i] . "')->" . $matches[2][$i] . " as \$" . $matches[3][$i] . " => \$" . $matches[4][$i] . ") { \$" . $matches[6][$i] . "++;?>", self::$content);
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// 解析序号
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$pattern_num = '/\[(' . $matches[6][$i] . ')\]/';
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if (preg_match($pattern_num, self::$content)) {
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if (defined('PAGE')) {
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self::$content = preg_replace($pattern_num, "<?php echo @(PAGE-1)*PAGESIZE+\$$1; ?>", self::$content);
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} else {
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self::$content = preg_replace($pattern_num, "<?php echo \$$1; ?>", self::$content);
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}
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}
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// 解析key
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$pattern_key = '/\[(' . $matches[3][$i] . ')\]/';
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if (preg_match($pattern_key, self::$content)) {
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self::$content = preg_replace($pattern_key, "<?php echo \$$1; ?>", self::$content);
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}
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// 解析内部变量
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$pattern_var = '/\[(' . $matches[4][$i] . ')(\[[\'\"][\w]+[\'\"]\])?(\-\>[\w$]+)?\]/';
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self::$content = preg_replace($pattern_var, "<?php echo \$$1$2$3; ?>", self::$content);
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}
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// 解析闭合标签
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self::$content = str_replace('{/foreach}', "<?php } ?>", self::$content);
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}
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}
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// PHP代码注释{#}...{#}
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private static function parNote()
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{
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$pattern = '/\{#\}(\s\S]*?)\{#\}/';
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if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "<?php
|
||
/* $1 */
|
||
?>", self::$content);
|
||
}
|
||
}
|
||
|
||
// 原生PHP代码{php}...{/php}
|
||
private static function parPhp()
|
||
{
|
||
$pattern = '/\{php\}([\s\S]*?)\{\/php\}/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "<?php $1?>", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析变量[$varname]
|
||
private static function parVar()
|
||
{
|
||
$pattern = '/\[\$([\w]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "\$this->getVar('$1')", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析对象变量 [$user->name]
|
||
private static function parObjVar()
|
||
{
|
||
$pattern = '/\[\$([\w]+)\-\>([\w\$]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "\$this->getVar('$1')->$2", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析配置变量[$config.name],支持多级
|
||
private static function parConfigVar()
|
||
{
|
||
$pattern = '/\[\$config\.([\w\.]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "\\core\\basic\\Config::get('$1')", self::$content);
|
||
}
|
||
if (preg_match_all($pattern, self::$content, $matchs)) {
|
||
foreach ($matchs[0] as $key => $value) {
|
||
if (strpos($matchs[1][$key], 'database') === false) {
|
||
self::$content = str_replace($matchs[0][$key], "\\core\\basic\\Config::get('" . $matchs[1][$key] . "')", self::$content);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 解析Session [$session.name],支持多级
|
||
private static function parSession()
|
||
{
|
||
$pattern = '/\[\$session\.([\w\.]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "session('$1')", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析Cookie [$cookie.name]
|
||
private static function parCookie()
|
||
{
|
||
$pattern = '/\[\$cookie\.([\w]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "cookie('$1')", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析Server [$server.name]
|
||
private static function parServer()
|
||
{
|
||
$pattern = '/\[\$server\.([\w]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "escape_string(\$_SERVER['$1'])", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析POST [$post.id]
|
||
private static function parPost()
|
||
{
|
||
$pattern = '/\[\$post\.([\w]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "post('$1')", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析GET[$get.id]
|
||
private static function parGet()
|
||
{
|
||
$pattern = '/\[\$get\.([\w]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "get('$1')", self::$content);
|
||
}
|
||
}
|
||
|
||
// 解析数组变量 [$user['name']] 2.0修改为[$user.name],支持二维数组[$user.name.sex]
|
||
private static function parArrVar()
|
||
{
|
||
$pattern = '/\[\$([\w]+)\.([\w\-]+)(\.([\w\-]+))?\]/';
|
||
if (preg_match_all($pattern, self::$content, $matches)) {
|
||
foreach ($matches[0] as $key => $value) {
|
||
if ($matches[3][$key]) {
|
||
self::$content = preg_replace($pattern, "\$this->vars['$1']['$2']['$4']", self::$content);
|
||
} else {
|
||
self::$content = preg_replace($pattern, "\$this->vars['$1']['$2']", self::$content);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 内部应用函数 如：[fun=md5('aaa')]
|
||
private static function parFun()
|
||
{
|
||
$pattern = '/\[fun=([^\]]+)\]/';
|
||
if (preg_match($pattern, self::$content)) {
|
||
self::$content = preg_replace($pattern, "$1", self::$content);
|
||
}
|
||
}
|
||
}
|