<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2025 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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declare(strict_types=1);
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namespace think\view\driver;
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use RuntimeException;
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use think\App;
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use think\contract\TemplateHandlerInterface;
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use think\helper\Str;
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/**
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* PHP原生模板驱动
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*/
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class Php implements TemplateHandlerInterface
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{
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protected $template;
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protected $content;
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protected $app;
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// 模板引擎参数
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protected $config = [
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// 默认模板渲染规则 1 解析为小写+下划线 2 全部转换小写 3 保持操作方法
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'auto_rule' => 1,
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// 视图目录名
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'view_dir_name' => 'view',
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// 应用模板路径
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'view_path' => '',
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// 模板文件后缀
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'view_suffix' => 'php',
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// 模板文件名分隔符
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'view_depr' => DIRECTORY_SEPARATOR,
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];
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public function __construct(App $app, array $config = [])
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{
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$this->app = $app;
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$this->config = array_merge($this->config, (array) $config);
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}
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/**
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* 检测是否存在模板文件
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* @param string $template 模板文件或者模板规则
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* @return bool
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*/
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public function exists(string $template): bool
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{
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$template = $this->getTemplateFile($template);
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return is_file($template);
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}
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protected function getTemplateFile(string $template): string
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{
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if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
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// 获取模板文件名
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$template = $this->parseTemplate($template);
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} elseif (!is_file($template)) {
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$path = $this->config['view_path'] ?: $this->getViewPath($this->app->http->getName());
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$template = $path . $template;
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}
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return $template;
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}
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/**
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* 渲染模板文件
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* @param string $template 模板文件
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* @param array $data 模板变量
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* @return void
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*/
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public function fetch(string $template, array $data = []): void
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{
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$template = $this->getTemplateFile($template);
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// 模板不存在 抛出异常
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if (!is_file($template)) {
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throw new RuntimeException('template not exists:' . $template);
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}
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$this->template = $template;
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extract($data, EXTR_OVERWRITE);
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include $this->template;
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}
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/**
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* 渲染模板内容
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* @param string $content 模板内容
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* @param array $data 模板变量
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* @return void
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*/
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public function display(string $content, array $data = []): void
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{
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$this->content = $content;
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extract($data, EXTR_OVERWRITE);
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eval('?>' . $this->content);
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}
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protected function getViewPath(string $app): string
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{
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$view = $this->config['view_dir_name'] . DIRECTORY_SEPARATOR;
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$app = $app ? str_replace('.', DIRECTORY_SEPARATOR, $app) . DIRECTORY_SEPARATOR : '';
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$paths = [
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$this->app->getBasePath() . $app . $view,
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$this->app->getBasePath() . $view . $app,
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$this->app->getRootPath() . $view . $app
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];
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foreach ($paths as $path) {
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if (is_dir($path)) {
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return $path;
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}
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}
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return '';
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}
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/**
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* 自动定位模板文件
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* @param string $template 模板文件规则
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* @return string
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*/
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private function parseTemplate(string $template): string
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{
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$request = $this->app->request;
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// 获取视图根目录
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if (str_contains($template, '@')) {
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// 跨应用调用
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[$app, $template] = explode('@', $template);
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} elseif ($this->app->http->getName()) {
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$app = $this->app->http->getName();
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} elseif ($request->layer()) {
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$app = $request->layer();
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$controller = $request->controller(false, true);
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}
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if ($this->config['view_path']) {
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$path = $this->config['view_path'];
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} else {
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$path = $this->getViewPath($app ?? $this->app->http->getName());
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}
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$depr = $this->config['view_depr'];
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if (!str_starts_with($template, '/')) {
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$template = str_replace(['/', ':'], $depr, $template);
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$controller = $controller ?? $request->controller();
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if (str_contains($controller, '.')) {
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$pos = strrpos($controller, '.');
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$controller = substr($controller, 0, $pos) . '.' . Str::snake(substr($controller, $pos + 1));
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} else {
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$controller = Str::snake($controller);
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}
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if ($controller) {
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if ('' == $template) {
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// 如果模板文件名为空 按照默认规则定位
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if (2 == $this->config['auto_rule']) {
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$template = $request->action(true);
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} elseif (3 == $this->config['auto_rule']) {
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$template = $request->action();
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} else {
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$template = Str::snake($request->action());
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}
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$template = str_replace('.', DIRECTORY_SEPARATOR, $controller) . $depr . $template;
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} elseif (!str_contains($template, $depr)) {
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$template = str_replace('.', DIRECTORY_SEPARATOR, $controller) . $depr . $template;
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}
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}
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} else {
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$template = str_replace(['/', ':'], $depr, substr($template, 1));
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}
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return $path . ltrim($template, '/') . '.' . ltrim($this->config['view_suffix'], '.');
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}
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/**
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* 配置模板引擎
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* @param array $config 参数
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* @return void
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*/
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public function config(array $config): void
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{
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$this->config = array_merge($this->config, $config);
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}
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/**
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* 获取模板引擎配置
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* @param string $name 参数名
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* @return mixed
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*/
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public function getConfig(string $name)
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{
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return $this->config[$name] ?? null;
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}
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}
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