diff --git a/compile.php b/compile.php new file mode 100644 index 0000000..53297b1 --- /dev/null +++ b/compile.php @@ -0,0 +1,29 @@ + + + + + Document + + + + $vo): $i++; echo htmlentities($vo); endforeach; ?> + 将上面的内容放入raw标签： + + + {$vo} + + + + {123456|md5} + + 扩展的标签： + + + + 默认内容，没有定义就不会覆盖我 + + + FOOTER + + + \ No newline at end of file diff --git a/d237065faa8706d7b5514124a675e4e8.php b/d237065faa8706d7b5514124a675e4e8.php deleted file mode 100644 index fc870f9..0000000 --- a/d237065faa8706d7b5514124a675e4e8.php +++ /dev/null @@ -1,27 +0,0 @@ - - - - - Document - - - - $vo): $i++; echo ($vo); endforeach; ?> - 将上面的内容放入raw标签： - - - <$vo> - - - - 扩展的标签： - - - - 默认内容，没有定义就不会覆盖我 - - - FOOTER - - - \ No newline at end of file diff --git a/demo/index.html b/demo/index.html deleted file mode 100644 index c7bf86d..0000000 --- a/demo/index.html +++ /dev/null @@ -1,28 +0,0 @@ - - -Document - - - - {$vo} - - 将上面的内容放入raw标签： - - - {$vo} - - - {$a} - - {:time()} - - {:time()} - - - 扩展的标签： - - - - - FOOTER - \ No newline at end of file diff --git a/engine/Article.php b/engine/Article.php new file mode 100644 index 0000000..09218d4 --- /dev/null +++ b/engine/Article.php @@ -0,0 +1,18 @@ + ['attr' => 'category-id', 'close' => 0] + ]; + + public function _list($attr) + { + $param = $this->parseDotSyntax($attr['category-id']); + return ""; + } +} diff --git a/engine/Engine.php b/engine/Engine.php index 8785fdd..b8e4693 100644 --- a/engine/Engine.php +++ b/engine/Engine.php @@ -1,19 +1,19 @@ '; /** - * @var array 标签定义 + * @var array 模板配置 */ - protected $tags = []; + private $config = []; /** - * @var null 模板配置 + * @var array 标签库 */ - protected $config = null; + private $libs = []; /** - * @var null 扩展标签库 + * @var array 标签库类实例 */ - private $extend = []; + private $libInstance = []; /** - * @var array 扩展标签库类实例 + * 获取道单一实例 + * @param $config + * @return Engine */ - private $extendInstance = []; - - /** - * @var array 默认标签定义 - */ - private $defaultTags = [ - 'php' => ['attr' => null, 'close' => 1], - 'if' => ['attr' => 'condition', 'close' => 1], - 'else' => ['attr' => 'condition', 'close' => 0], - 'volist' => ['attr' => 'name,index,id,key', 'close' => 1], - ]; + public static function instance($config) + { + if (!self::$instance) { + self::$instance = new self($config); + } + return self::$instance; + } /** * 构造方法 * Engine constructor. - * @throws \Exception + * @param array $config */ - private function __construct() + private function __construct($config = []) { - // $this->config = Register::get('Config')->get('view'); - $this->config['dir'] = './demo/'; + $this->config = $config; if (isset($this->config['left']) && $this->config['left']) { $this->left = $this->config['left']; } @@ -72,18 +69,6 @@ class Engine } } - /** - * 获取类单一实例 - * @return null|Engine - */ - public static function instance() - { - if (!self::$instance) { - self::$instance = new self(); - } - return self::$instance; - } - /** * 处理模板继承 * @param $template @@ -91,13 +76,13 @@ class Engine */ private function parseExtend($template) { - $pattern = '/' . $this->left . 'extend.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is'; + $pattern = '/' . $this->left . 'extend\s+file[\s\S]*?=[\s\S]*?[\'"](.*?)[\'"][\s\S]*?\/' . $this->right . '/is'; preg_match($pattern, $template, $matches); if (!empty($matches)) { - $blockPattern = '/' . $this->left . 'block.*?name=[\'"](.*?)[\'"]' . $this->right; + $blockPattern = '/' . $this->left . 'block\s+name[\s\S]*?=[\s\S]*?[\'"](.*?)[\'"][\s\S]*?' . $this->right; $blockPattern .= '([\s\S]*?)' . $this->left . '\/block' . $this->right . '/is'; // 获得被继承的模板内容 - $file = $this->config['dir'] . $matches[1] . '.html'; + $file = $this->config['dir'] . $matches[1] . '.' . ltrim($this->config['ext'], '.'); $extendFileContent = null; if (file_exists($file)) { $extendFileContent = file_get_contents($file); @@ -144,10 +129,10 @@ class Engine */ private function parseInclude($template) { - $pattern = '/' . $this->left . 'include.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is'; + $pattern = '/' . $this->left . 'include\s+file[\s\S]*?=[\s\S]*?[\'"](.*?)[\'"][\s\S]*?\/' . $this->right . '/is'; $template = preg_replace_callback($pattern, function ($result) { $string = null; - $file = $this->config['dir'] . $result[1] . '.html'; + $file = $this->config['dir'] . $result[1] . '.' . ltrim($this->config['ext'], '.'); if (file_exists($file)) { $string = file_get_contents($file); } @@ -167,7 +152,7 @@ class Engine */ private function hasInclude($template) { - $pattern = '/' . $this->left . 'include.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is'; + $pattern = '/' . $this->left . 'include\s+file[\s\S]*?=[\s\S]*?[\'"](.*?)[\'"][\s\S]*?\/' . $this->right . '/is'; preg_match($pattern, $template, $matches); return !empty($matches); } @@ -183,78 +168,147 @@ class Engine $search = []; $replace = []; for ($i = 0; $i < count($matches[0]); $i++) { - $start = substr($matches[1][$i], 0, 1); - $search[] = $matches[0][$i]; - if ($start == '$') { - $replace[] = ''; - } elseif ($start == ':') { + $start = mb_substr($matches[1][$i], 0, 1, 'utf8'); + $end = mb_substr($matches[1][$i], -1, null, 'utf8'); + if ($start == '$') { // 输出变量 + $search[] = $matches[0][$i]; + $output = $this->parseParameterOutput($matches[1][$i]); + $replace[] = ''; + } elseif ($start == ':') { // 调用函数 + $search[] = $matches[0][$i]; $replace[] = ''; - } else { - $replace[] = $matches[0][$i]; + } elseif ($start == '@') { // 输出常量 + $search[] = $matches[0][$i]; + $replace[] = ''; + } elseif ($start == '*' && $end == '*') { // 注释 + $search[] = $matches[0][$i]; + $replace[] = ''; } } - $template = str_replace($search, $replace, $template); + if (!empty($search) && !empty($replace)) { + $template = str_replace($search, $replace, $template); + } + return $template; } /** - * 外部加载扩展标签 - * @param $lib + * 解析变量输出 + * @param $output + * @return string */ - public function loadTaglib($lib) + private function parseParameterOutput($output) { - $this->extend[] = $lib; + // 处理|函数调用 + if (strstr($output, '|')) { + $functions = explode('|', $output); + $parse = $functions[0]; + // 只留下函数表达式 + unset($functions[0]); + // 重置调用函数数组索引以便开始foreach循环 + $functions = array_values($functions); + foreach ($functions as $function) { + $expParameters = explode('=', $function); + $functionName = $expParameters[0]; + // 如果有带上参数，则进行参数处理，没有声明参数则直接将当前值作为函数的第一个参数 + if (isset($expParameters[1])) { + $parameters = $expParameters[1]; + // 如果有参数，则处理，同时将占位符###替换为上次解析结果 + // 如果存在占位符，则直接替换，没有占位符则将当前值作为函数的第一个参数 + if (strstr($expParameters[1], '###')) { + $parse = $functionName . '(' . str_replace('###', $parse, $parameters) . ')'; + } else { + $parse = $functionName . '(' . $parse . ',' . $parameters . ')'; + } + } else { + $parse = $functionName . '(' . $parse . ')'; + } + } + $output = $parse; + } + + return $this->parseDotSyntax($output); } /** - * 标签处理 - * @param $template + * 处理.语法 + * @param $string * @return null|string|string[] */ - private function parseTags($template) + private function parseDotSyntax($string) { - foreach ($this->extend as $lib) { - $this->extendInstance[$lib] = $object = new $lib; + // 处理.语法（仅数组或已实现数组访问接口的对象） + return preg_replace_callback("/\.([a-zA-Z0-9_-]*)/", function ($match) { + if (isset($match[1])) { + return '[' . (is_numeric($match[1]) ? $match[1] : '\'' . $match[1] . '\'') . ']'; + } else { + return null; + } + }, $string); + } + + /** + * 外部加载扩展标签 + * @param $prefix + * @param $className + */ + public function loadTaglib($prefix, $className) + { + if ($prefix == 'default') { + throw new \Exception('扩展标签库前缀不能为default'); + } + $this->libs[$prefix] = $className; + } + + /** + * 获取所有标签 + * @return null|string|string[] + */ + private function getTags() + { + $tags = []; + // 加入默认标签库 + $this->libs = array_merge(['default' => Tags::class,], $this->libs); + foreach ($this->libs as $prefix => $lib) { + $this->libInstance[$prefix] = $object = new $lib; foreach ($object->tags as $name => $tag) { - if (!isset($this->tags[$name]) && !isset($this->defaultTags[$name])) { - $this->tags[$name] = $tag; + if (!isset($tags[$name])) { // 如果不存在则加入到标签库 + $tags[($prefix == 'default' ? '' : $prefix . ':') . $name] = $tag; } } } - $tags = array_merge($this->defaultTags, $this->tags); - return $this->_parseTags($template, $tags); + return $tags; } /** * 获取标签处理结果 - * @param $method - * @param $tag + * @param $name + * @param $attr * @param string $content - * @return null + * @return mixed */ - private function getTagParseResult($method, $tag, $content = '') + private function getTagParseResult($name, $attr, $content = '') { - if (method_exists($this, $method)) { - return $this->{$method}($tag, $content); - } else { - foreach ($this->extendInstance as $item) { - if (method_exists($item, $method)) { - return $item->{$method}($tag, $content); - } + // 如果是扩展标签则找到扩展类进行处理 + if (strstr($name, ':')) { + $tagInfo = explode(':', $name); + if (method_exists($this->libInstance[$tagInfo[0]], '_' . $tagInfo[1])) { + return $this->libInstance[$tagInfo[0]]->{'_' . $tagInfo[1]}($attr, $content); } - return null; + } // 否则尝试默认标签处理 + else if (method_exists($this->libInstance['default'], '_' . $name)) { + return $this->libInstance['default']->{'_' . $name}($attr, $content); } } /** * 进行标签处理 * @param $template - * @param $tags * @return null|string|string[] */ - private function _parseTags($template, $tags) + private function parseTags($template) { - foreach ($tags as $name => $item) { + foreach ($this->getTags() as $name => $item) { $pattern = '/' . $this->left . '(?:(' . $name . ')\b(?>[^' . $this->right . ']*)|\/(' . $name . '))'; $pattern .= $this->right . '/is'; if ($item['close']) { @@ -284,12 +338,15 @@ class Engine if (!empty($nodes)) { $nodes = array_merge($nodes, []); $cut = ''; - $method = '_' . $name; $startArray = []; foreach ($nodes as $pos => $node) { $attr = $item['attr'] ? $this->getAttr($node['start_str'], explode(',', $item['attr'])) : []; // 得到准备替换的值 - $replace = explode($cut, $this->getTagParseResult($method, $attr, $cut)); + $replace = explode($cut, $this->getTagParseResult($name, $attr, $cut)); + $replace = [ + (isset($replace[0])) ? $replace[0] : [], + (isset($replace[1])) ? $replace[1] : [], + ]; while ($startArray) { $begin = end($startArray); // 如果当前结束位置大于最后一个开始标签的位置，则跳过，直接去替换这个结束标签 @@ -308,7 +365,7 @@ class Engine 'string' => $replace[0] ]; } - // 替换掉最后入栈，未进入while循环的开始标签 + // 替换没有结束标签穿插的开始标签 while ($startArray) { $begin = array_pop($startArray); $template = substr_replace($template, $begin['string'], $begin['start'], $begin['length']); @@ -316,14 +373,16 @@ class Engine } } } else { // 自闭合标签处理 - $template = preg_replace_callback($pattern, function ($matches) use ($item) { - $method = '_' . $matches[1]; - $attr = $item['attr'] ? $this->getAttr($matches[0], explode(',', $item['attr'])) : []; - return $this->getTagParseResult($method, $attr); + $template = preg_replace_callback($pattern, function ($matches) use ($name, $item) { + if (!isset($matches[2])) { + $attr = $item['attr'] ? $this->getAttr($matches[0], explode(',', $item['attr'])) : []; + return $this->getTagParseResult($name, $attr); + } + return $matches[0]; }, $template); } } - return preg_replace('/\?>([\r|\n|\s]*?)<\?php/is', '', $template); + return $template; } /** @@ -335,13 +394,13 @@ class Engine private function getAttr($string, $tags = []) { $attr = []; - $attrPattern = '/[ +](.*?)=[\'"](.*?)[\'"]/is'; + $attrPattern = '/\s+(.*?)=[\s\S]*?([\'"])(.*?)\\2/is'; preg_match_all($attrPattern, $string, $result); if (isset($result[0]) && !empty($result[0])) { foreach ($result[1] as $key => $value) { - $name = trim($value, ' '); + $name = str_replace([' ', "\t", PHP_EOL], '', $value); if (in_array($name, $tags)) { - $attr[$name] = $result[2][$key]; + $attr[$name] = $result[3][$key]; } } } @@ -349,97 +408,39 @@ class Engine } /** - * 处理raw标签 + * 处理original标签 * @param $template * @return null|string|string[] */ - private function parseRaw($template) + private function parseOriginal($template) { - $pattern = '/' . $this->left . 'raw' . $this->right . '([\s\S]*?)'; - $pattern .= $this->left . '\/raw' . $this->right . '/is'; - $template = preg_replace_callback($pattern, function ($matches) { + $pattern = '/' . $this->left . 'original' . $this->right . '([\s\S]*?)'; + $pattern .= $this->left . '\/original' . $this->right . '/is'; + return preg_replace_callback($pattern, function ($matches) { return str_replace([ $this->left, $this->right, '{', '}' ], [ - '', - '' + '', + '' ], $matches[1]); }, $template); - return $template; } /** - * 还原raw + * 还原original内容 * @param $template * @return mixed */ - public function returnRaw($template) + private function returnOriginal($template) { - $template = str_replace([ - '', - '' + return str_replace([ + '', + '' ], [ $this->left, $this->right, '{', '}' ], $template); - return $template; - } - - /** - * php标签开始 - * @param $tag - * @param $content - * @return string - */ - private function _php($tag, $content) - { - return ''; - } - - /** - * if标签 - * @param $tag - * @param $content - * @return string - */ - private function _if($tag, $content) - { - $parse = ''; - $parse .= $content; - $parse .= ''; - return $parse; - } - - /** - * else标签 - * @param $tag - * @return string - */ - private function _else($tag) - { - if (isset($tag['condition'])) { - $parse = ''; - } else { - $parse = ''; - } - return $parse; - } - - /** - * volist标签 - * @param $tag - * @param $content - * @return string - */ - private function _volist($tag, $content) - { - $parse = '' : '') . '$' . $tag['id'] . '): '; - $parse .= (isset($tag['key']) ? '$' . $tag['key'] . '++;' : '') . ' ?>'; - $parse .= $content; - $parse .= ''; - return $parse; } /** @@ -449,18 +450,22 @@ class Engine */ public function compile($template) { - // 处理raw标签 - $template = $this->parseRaw($template); + // 处理original标签 + $template = $this->parseOriginal($template); // 处理模板继承标签 $template = $this->parseExtend($template); // 处理include标签 $template = $this->parseInclude($template); - // 处理变量以及函数 - $template = $this->parseVars($template); // 处理定义的标签 $template = $this->parseTags($template); + // 处理变量以及函数 + $template = $this->parseVars($template); + // 还原original内容 + $template = $this->returnOriginal($template); + // 清除多余开始结束标签 + $template = preg_replace('/\?>([\r|\n|\s]*?)<\?php/is', '', $template); - return $template; + return '' . $template; } } diff --git a/engine/Extend.php b/engine/Extend.php deleted file mode 100644 index bbff20f..0000000 --- a/engine/Extend.php +++ /dev/null @@ -1,16 +0,0 @@ - ['attr' => 'what', 'close' => 0] - ]; - - public function _say($tag) - { - return ''; - } - -} diff --git a/engine/TagLib.php b/engine/TagLib.php new file mode 100644 index 0000000..eb89e44 --- /dev/null +++ b/engine/TagLib.php @@ -0,0 +1,23 @@ + ['attr' => '', 'close' => 1], + 'if' => ['attr' => 'condition', 'close' => 1], + 'else' => ['attr' => 'condition', 'close' => 0], + 'loop' => ['attr' => 'from,to,index,key', 'close' => 1], + 'assign' => ['attr' => 'name,value', 'close' => 0], + 'switch' => ['attr' => 'name', 'close' => 1], + 'case' => ['attr' => 'value', 'close' => 1], + ]; + + + /** + * php标签 + * @param $attr + * @param $content + * @return string + */ + public function _php($attr, $content) + { + return ''; + } + + /** + * if标签 + * @param $attr + * @param $content + * @return string + */ + public function _if($attr, $content) + { + $attr['condition'] = $this->_parseCondition($attr['condition']); + $parse = ''; + $parse .= $content; + $parse .= ''; + return $parse; + } + + /** + * else标签 + * @param $attr + * @return string + */ + public function _else($attr) + { + if (isset($attr['condition'])) { + $attr['condition'] = $this->_parseCondition($attr['condition']); + $parse = ''; + } else { + $parse = ''; + } + return $parse; + } + + /** + * loop标签 + * @param $attr + * @param $content + * @return string + */ + public function _loop($attr, $content) + { + $parse = '' : '') . '$' . $attr['to'] . '): '; + $parse .= (isset($attr['key']) ? '$' . $attr['key'] . '++;' : '') . ' ?>'; + $parse .= $content; + $parse .= ''; + return $parse; + } + + /** + * 模版变量赋值 + * @param $attr + * @return string + */ + public function _assign($attr) + { + if (isset($attr['name']) && isset($attr['value'])) { + $quot = (strstr($attr['value'], '\'')) ? '"' : '\''; + $parse = ''; + return $parse; + } + throw new \Exception('assign标签必须拥有属性：' . $this->defaultTags['assign']['attr']); + } + + /** + * switch标签 + * @param $attr + * @param $content + * @return string + */ + public function _switch($attr, $content) + { + if (isset($attr['name'])) { + $parse = ''; + $parse .= $content; + $parse .= ''; + return $parse; + } + throw new \Exception('switch标签必须拥有属性：' . $this->defaultTags['switch']['attr']); + } + + /** + * switch标签case处理 + * @param $attr + * @param $content + * @return string + */ + public function _case($attr, $content) + { + if (isset($attr['value'])) { + $quot = (strstr($attr['value'], '\'')) ? '"' : '\''; + $parse = ''; + $parse .= $content; + $parse .= ''; + } else { + $parse = ''; + $parse .= $content; + } + return $parse; + } + + /** + * 处理if/else标签的条件比较符 + * @param $condition + * @return mixed + */ + private function _parseCondition($condition) + { + return str_ireplace([ + ' eq ', + ' neq ', + ' lt ', + ' elt ', + ' gt ', + ' egt ', + ' heq ', + ' nheq ' + ], [ + ' == ', + ' != ', + ' < ', + ' <= ', + ' > ', + ' >= ', + ' === ', + ' !== ' + ], $condition); + } +} diff --git a/script.php b/script.php index 6302b64..d71c8b5 100644 --- a/script.php +++ b/script.php @@ -1,17 +1,28 @@ loadTaglib(\engine\Extend::class); -// 编译 -$result = $template->compile($content); -// 最后还原raw标签 -$result = $template->returnRaw($result); -$t2 = microtime(true); -echo '执行时间' . ($t2 - $t1) . "\r\n"; -file_put_contents(md5(time()) . '.php', $result); \ No newline at end of file +// 获取模板引擎实例 +$config = [ + 'ext' => 'html', + 'dir' => './view/', + 'left' => '<', + 'right' => '>', +]; +$engine = Engine::instance($config); +// 加载自定义标签库 +$engine->loadTaglib('article', Article::class); +// 读取模板内容 +$template = file_get_contents('./view/index.html'); +// 编译并写入 +$content = $engine->compile($template); +file_put_contents('compile.php', $content); + +$t2 = microtime(true); + +echo '运行时间：' . ($t2 - $t1); diff --git a/demo/base.html b/view/base.html similarity index 100% rename from demo/base.html rename to view/base.html diff --git a/demo/footer.html b/view/footer.html similarity index 100% rename from demo/footer.html rename to view/footer.html diff --git a/view/index.html b/view/index.html new file mode 100644 index 0000000..8de8809 --- /dev/null +++ b/view/index.html @@ -0,0 +1,30 @@ + + +Document + + + + {$vo} + + 将上面的内容放入raw标签： + + + {$vo} + + + + {123456|md5} + {$a|mb_substr=0,1} + + {:time()} + + {:time()} + + + 扩展的标签： + + + + + FOOTER +