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优代部分代码；block标签内可以使用{__block__}来引用所继承模板中相应block标签的内容；

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模板包含文件记录及更新时间直接写入缓存的模板中；改进标签别名的处理方式，别名不再定义方法；
去除include标签传参自动生成变量的代码；cx类增加function方法，用来生成匿名函数，结合{~$函数名()}可用于递归的实现。
This commit is contained in:
oldrind
2016-03-11 21:58:18 +08:00
parent 542a3333d6
commit 71dbdcb874
9 changed files with 390 additions and 413 deletions
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303
library/think/Template.php
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@@ -52,7 +52,6 @@ class Template
private $literal = [];
private $includeFile = []; // 记录所有模板包含的文件路径及更新时间
private $md5Key = ''; // 保存当前模板的md5码
protected $storage = null;
/**
@@ -118,7 +117,7 @@ class Template
/**
* 模板引擎配置项
* @access public
* @param array $config
* @param array|string $config
* @return void|array
*/
public function config($config)
@@ -146,7 +145,7 @@ class Template
if (isset($data[$val])) {
$data = $data[$val];
} else {
$data = false;
$data = null;
break;
}
}
@@ -172,7 +171,7 @@ class Template
}
$template = $this->parseTemplateFile($template);
$cacheFile = $this->config['cache_path'] . $this->config['cache_prefix'] . md5($template) . $this->config['cache_suffix'];
if (!$this->checkCache($template, $cacheFile)) {
if (!$this->checkCache($cacheFile)) {
// 缓存无效 重新模板编译
$content = file_get_contents($template);
$this->compiler($content, $cacheFile);
@@ -204,7 +203,7 @@ class Template
$this->data = $vars;
}
$cacheFile = $this->config['cache_path'] . $this->config['cache_prefix'] . md5($content) . $this->config['cache_suffix'];
if (!$this->checkCache($content, $cacheFile)) {
if (!$this->checkCache($cacheFile)) {
// 缓存无效 模板编译
$this->compiler($content, $cacheFile);
}
@@ -235,30 +234,27 @@ class Template
* 检查编译缓存是否有效
* 如果无效则需要重新编译
* @access private
* @param string $template 模板文件名
* @param string $cacheFile 缓存文件名
* @return boolean
*/
private function checkCache($template, $cacheFile)
private function checkCache($cacheFile)
{
if (!$this->config['tpl_cache']) {
// 优先对配置设定检测
return false;
}
$this->md5Key = md5($template);
$recordFile = $this->config['cache_path'] . md5($this->config['cache_record_file']) . $this->config['cache_suffix'];
if (!is_file($recordFile)) {
return false;
} else {
$this->includeFile = $this->storage->read($recordFile, [], true);
if (!isset($this->includeFile[$this->md5Key])) {
// 缓存记录中无此模板
return false;
} else {
// 检查编译存储是否有效
return $this->storage->check($this->includeFile[$this->md5Key], $cacheFile, $this->config['cache_time']);
if (is_file($cacheFile)) {
$handle = @fopen($cacheFile, "r");
if ($handle) {
preg_match('/\/\*(.+?)\*\//', fgets($handle), $matches);
if (isset($matches[1])) {
$this->includeFile = unserialize($matches[1]);
// 检查编译存储是否有效
return $this->storage->check($this->includeFile, $cacheFile, $this->config['cache_time']);
}
}
}
return false;
}
/**
@@ -298,7 +294,7 @@ class Template
// 替换布局的主体内容
$content = str_replace($this->config['layout_item'], $content, file_get_contents($layoutFile));
// 记录布局文件的更新时间
$this->includeFile[$this->md5Key][filemtime($layoutFile)] = $layoutFile;
$this->includeFile[filemtime($layoutFile)] = $layoutFile;
} else {
throw new Exception('template not exist:' . $layoutFile, 10700);
}
@@ -307,8 +303,6 @@ class Template
// 模板解析
$this->parse($content);
// 添加安全代码
$content = '<?php if (!defined(\'THINK_PATH\')) exit();?>' . $content;
if ($this->config['strip_space']) {
/* 去除html空格与换行 */
$find = ['~>\s+<~', '~>(\s+\n|\r)~'];
@@ -320,11 +314,10 @@ class Template
// 模板过滤输出
$replace = $this->config['tpl_replace_string'];
$content = str_replace(array_keys($replace), array_values($replace), $content);
// 添加安全代码及模板引用记录
$content = '<?php if (!defined(\'THINK_PATH\')) exit(); /*' . serialize($this->includeFile) . '*/ ?>' . "\n" . $content;
// 编译存储
$this->storage->write($cacheFile, $content);
// 保存模板更新记录
$string = "<?php\nreturn " . var_export($this->includeFile, true) . ';';
$this->storage->write($this->config['cache_path'] . md5($this->config['cache_record_file']) . $this->config['cache_suffix'], $string);
$this->includeFile = [];
return;
}
@@ -429,7 +422,7 @@ class Template
// 替换布局的主体内容
$content = str_replace($replace, $content, file_get_contents($layoutFile));
// 记录布局文件的更新时间
$this->includeFile[$this->md5Key][filemtime($layoutFile)] = $layoutFile;
$this->includeFile[filemtime($layoutFile)] = $layoutFile;
}
}
} else {
@@ -446,8 +439,8 @@ class Template
*/
private function parseInclude(&$content)
{
$regex = $this->getRegex('include');
$funReplace = function ($template) use (&$funReplace, &$regex, &$content) {
$regex = $this->getRegex('include');
$func = function ($template) use (&$func, &$regex, &$content) {
if (preg_match_all($regex, $template, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$array = $this->parseAttr($match[0]);
@@ -455,28 +448,22 @@ class Template
unset($array['file']);
// 分析模板文件名并读取内容
$parseStr = $this->parseTemplateName($file);
// 替换变量
$varStr = "";
foreach ($array as $k => $v) {
// 以$开头字符串转换成模板变量
if (0 === strpos($v, '$')) {
$v = $this->get(substr($v, 1));
}
// 兼容 [var_name] 静态渲染
$parseStr = str_replace('[' . $k . ']', $v, $parseStr);
// 支持 $var_name = value 动态赋值
$varStr .= "{assign name=\"{$k}\" value=\"{$v}\" /}";
}
$parseStr = $varStr . $parseStr;
$content = str_replace($match[0], $parseStr, $content);
// 再次对包含文件进行模板分析
$funReplace($parseStr);
$func($parseStr);
}
unset($matches);
}
};
// 替换模板中的include标签
$funReplace($content);
$func($content);
return;
}
@@ -489,23 +476,23 @@ class Template
private function parseExtend(&$content)
{
$regex = $this->getRegex('extend');
$array = $blocks = $extBlocks = [];
$array = $blocks = $baseBlocks = [];
$extend = '';
$fun = function ($template) use (&$fun, &$regex, &$array, &$extend, &$blocks, &$extBlocks) {
$func = function ($template) use (&$func, &$regex, &$array, &$extend, &$blocks, &$baseBlocks) {
if (preg_match($regex, $template, $matches)) {
if (!isset($array[$matches['name']])) {
$array[$matches['name']] = 1;
// 读取继承模板
$extend = $this->parseTemplateName($matches['name']);
// 递归检查继承
$fun($extend);
$func($extend);
// 取得block标签内容
$blocks = array_merge($blocks, $this->parseBlock($template));
return;
}
} else {
// 取得顶层模板block标签内容
$extBlocks = $this->parseBlock($template);
$baseBlocks = $this->parseBlock($template, true);
if (empty($extend)) {
// 无extend标签但有block标签的情况
$extend = $template;
@@ -513,15 +500,36 @@ class Template
}
};
$fun($content);
$func($content);
if (!empty($extend)) {
if ($extBlocks) {
foreach ($extBlocks as $name => $v) {
$replace = isset($blocks[$name]) ? $blocks[$name]['content'] : $v['content'];
$extend = str_replace($v['begin']['tag'] . $v['content'] . $v['end']['tag'], $replace, $extend);
if ($baseBlocks) {
$children = [];
foreach ($baseBlocks as $name => $val) {
$replace = $val['content'];
if (!empty($children[$name])) {
// 如果包含有子block标签
foreach ($children[$name] as $key) {
$replace = str_replace($baseBlocks[$key]['begin'] . $baseBlocks[$key]['content'] . $baseBlocks[$key]['end'], $blocks[$key]['content'], $replace);
}
}
// 带有{__block__}表示与所继承模板的相应标签合并，而不是覆盖
$replace = !isset($blocks[$name]) ? $replace : str_replace(['{__BLOCK__}', '{__block__}'], $replace, $blocks[$name]['content']);
if (!empty($val['parent'])) {
// 如果不是最顶层的block标签
$parent = $val['parent'];
if (isset($blocks[$parent])) {
$blocks[$parent]['content'] = str_replace($blocks[$name]['begin'] . $blocks[$name]['content'] . $blocks[$name]['end'], $replace, $blocks[$parent]['content']);
}
$blocks[$name]['content'] = $replace;
$children[$parent][] = $name;
} else {
// 替换模板中的block标签
$extend = str_replace($val['begin'] . $val['content'] . $val['end'], $replace, $extend);
}
}
}
$content = $extend;
unset($blocks, $baseBlocks);
}
return;
}
@@ -540,18 +548,18 @@ class Template
if (!$restore) {
$count = count($this->literal);
// 替换literal标签
foreach ($matches as $i => $match) {
foreach ($matches as $match) {
$this->literal[] = substr($match[0], strlen($match[1]), -strlen($match[2]));
$content = str_replace($match[0], "<!--###literal{$count}###-->", $content);
$count++;
}
} else {
// 还原literal标签
foreach ($matches as $i => $match) {
$content = str_replace($match[0], $this->literal[$i], $content);
foreach ($matches as $match) {
$content = str_replace($match[0], $this->literal[$match[1]], $content);
}
// 销毁literal记录
unset($this->literal);
// 清空literal记录
$this->literal = [];
}
unset($matches);
}
@@ -562,31 +570,31 @@ class Template
* 获取模板中的block标签
* @access private
* @param string $content 模板内容
* @param boolean $sort 是否排序
* @return array
*/
private function parseBlock(&$content)
private function parseBlock(&$content, $sort = false)
{
$regex = $this->getRegex('block');
$array = [];
$result = [];
if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
$right = $keys = [];
foreach ($matches as $match) {
if (empty($match['name'][0])) {
if (!empty($right)) {
$begin = array_pop($right);
$end = ['offset' => $match[0][1], 'tag' => $match[0][0]];
$start = $begin['offset'] + strlen($begin['tag']);
$len = $end['offset'] - $start;
$array[$begin['name']] = [
'begin' => $begin,
'content' => substr($content, $start, $len),
'end' => $end,
if (count($right) > 0) {
$tag = array_pop($right);
$start = $tag['offset'] + strlen($tag['tag']);
$length = $match[0][1] - $start;
$result[$tag['name']] = [
'begin' => $tag['tag'],
'content' => substr($content, $start, $length),
'end' => $match[0][0],
'parent' => count($right) ? end($right)['name'] : '',
];
$keys[] = $begin['offset'];
} else {
continue;
$keys[$tag['name']] = $match[0][1];
}
} else {
// 标签头压入栈
$right[] = [
'name' => $match[2][0],
'offset' => $match[0][1],
@@ -595,10 +603,12 @@ class Template
}
}
unset($right, $matches);
// 按blocks标签在模板中的位置排序
array_multisort($keys, $array);
if ($sort) {
// 按block标签结束符在模板中的位置排序
array_multisort($keys, $result);
}
}
return $array;
return $result;
}
/**
@@ -703,37 +713,37 @@ class Template
} elseif (')' == substr($name, -1, 1)) {
// $name为对象或是自动识别，或者含有函数
switch ($first) {
case '?':
$str = '<?php echo ' . $name . ' ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
$str = '<?php if(' . $name . ') echo ' . substr($str, 1) . '; ?>';
break;
default:
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
case '?':
$str = '<?php echo ' . $name . ' ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
$str = '<?php if(' . $name . ') echo ' . substr($str, 1) . '; ?>';
break;
default:
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
}
} else {
// $name为数组
switch ($first) {
case '?':
// {$varname??'xxx'} $varname有定义则输出$varname,否则输出xxx
$str = '<?php echo isset(' . $name . ') ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
// {$varname?='xxx'} $varname为真时才输出xxx
$str = '<?php if(!empty(' . $name . ')) echo ' . substr($str, 1) . '; ?>';
break;
case ':':
// {$varname?:'xxx'} $varname为真时输出$varname,否则输出xxx
$str = '<?php echo !empty(' . $name . ')?' . $name . $str . '; ?>';
break;
default:
if (strpos($str, ':')) {
// {$varname ? 'a' : 'b'} $varname为真时输出a,否则输出b
$str = '<?php echo !empty(' . $name . ')?' . $str . '; ?>';
} else {
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
}
case '?':
// {$varname??'xxx'} $varname有定义则输出$varname,否则输出xxx
$str = '<?php echo isset(' . $name . ') ? ' . $name . ' : ' . substr($str, 1) . '; ?>';
break;
case '=':
// {$varname?='xxx'} $varname为真时才输出xxx
$str = '<?php if(!empty(' . $name . ')) echo ' . substr($str, 1) . '; ?>';
break;
case ':':
// {$varname?:'xxx'} $varname为真时输出$varname,否则输出xxx
$str = '<?php echo !empty(' . $name . ')?' . $name . $str . '; ?>';
break;
default:
if (strpos($str, ':')) {
// {$varname ? 'a' : 'b'} $varname为真时输出a,否则输出b
$str = '<?php echo !empty(' . $name . ')?' . $str . '; ?>';
} else {
$str = '<?php echo ' . $name . '?' . $str . '; ?>';
}
}
}
} else {
@@ -836,9 +846,10 @@ class Template
return;
}
static $_varFunctionList = [];
$_key = md5($varStr);
//如果已经解析过该变量字串，则直接返回变量值
if (isset($_varFunctionList[$varStr])) {
$varStr = $_varFunctionList[$varStr];
if (isset($_varFunctionList[$_key])) {
$varStr = $_varFunctionList[$_key];
} else {
$varArray = explode('|', $varStr);
// 取得变量名称
@@ -876,6 +887,7 @@ class Template
}
}
}
$_varFunctionList[$_key] = $name;
$varStr = $name;
}
return;
@@ -988,7 +1000,7 @@ class Template
// 获取模板文件内容
$parseStr .= file_get_contents($template);
// 记录模板文件的更新时间
$this->includeFile[$this->md5Key][filemtime($template)] = $template;
$this->includeFile[filemtime($template)] = $template;
}
}
return $parseStr;
@@ -1019,55 +1031,56 @@ class Template
*/
private function getRegex($tagName)
{
$begin = $this->config['taglib_begin'];
$end = $this->config['taglib_end'];
$single = strlen(ltrim($begin, '\\')) == 1 && strlen(ltrim($end, '\\')) == 1 ? true : false;
$regex = '';
switch ($tagName) {
case 'block':
if ($single) {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\w\/\:@,]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
} else {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\w\/\:@,]+)\\1(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end;
}
break;
case 'literal':
if ($single) {
$regex = '(' . $begin . $tagName . '\b(?>[^' . $end . ']*)' . $end . ')';
$regex .= '(?:(?>[^' . $begin . ']*)(?>(?!' . $begin . '(?>' . $tagName . '\b[^' . $end . ']*|\/' . $tagName . ')' . $end . ')' . $begin . '[^' . $begin . ']*)*)';
$regex .= '(' . $begin . '\/' . $tagName . $end . ')';
} else {
$regex = '(' . $begin . $tagName . '\b(?>(?:(?!' . $end . ').)*)' . $end . ')';
$regex .= '(?:(?>(?:(?!' . $begin . ').)*)(?>(?!' . $begin . '(?>' . $tagName . '\b(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end . ')' . $begin . '(?>(?:(?!' . $begin . ').)*))*)';
$regex .= '(' . $begin . '\/' . $tagName . $end . ')';
}
break;
case 'restoreliteral':
$regex = '<!--###literal(\d+)###-->';
break;
case 'include':
$name = 'file';
case 'taglib':
case 'layout':
case 'extend':
if (empty($name)) {
$name = 'name';
}
if ($single) {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
} else {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
}
break;
case 'tag':
$begin = $this->config['tpl_begin'];
$end = $this->config['tpl_end'];
if (strlen(ltrim($begin, '\\')) == 1 && strlen(ltrim($end, '\\')) == 1) {
$regex = $begin . '((?:[\$]{1,2}[a-wA-w_]|[\:\~][\$a-wA-w_]|[+]{2}[\$][a-wA-w_]|[-]{2}[\$][a-wA-w_]|\/[\*\/])(?>[^' . $end . ']*))' . $end;
} else {
$regex = $begin . '((?:[\$]{1,2}[a-wA-w_]|[\:\~][\$a-wA-w_]|[+]{2}[\$][a-wA-w_]|[-]{2}[\$][a-wA-w_]|\/[\*\/])(?>(?:(?!' . $end . ').)*))' . $end;
}
break;
if ('tag' == $tagName) {
$begin = $this->config['tpl_begin'];
$end = $this->config['tpl_end'];
if (strlen(ltrim($begin, '\\')) == 1 && strlen(ltrim($end, '\\')) == 1) {
$regex = $begin . '((?:[\$]{1,2}[a-wA-w_]|[\:\~][\$a-wA-w_]|[+]{2}[\$][a-wA-w_]|[-]{2}[\$][a-wA-w_]|\/[\*\/])(?>[^' . $end . ']*))' . $end;
} else {
$regex = $begin . '((?:[\$]{1,2}[a-wA-w_]|[\:\~][\$a-wA-w_]|[+]{2}[\$][a-wA-w_]|[-]{2}[\$][a-wA-w_]|\/[\*\/])(?>(?:(?!' . $end . ').)*))' . $end;
}
} else {
$begin = $this->config['taglib_begin'];
$end = $this->config['taglib_end'];
$single = strlen(ltrim($begin, '\\')) == 1 && strlen(ltrim($end, '\\')) == 1 ? true : false;
switch ($tagName) {
case 'block':
if ($single) {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\$\w\-\/\.]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
} else {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\$\w\-\/\.]+)\\1(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end;
}
break;
case 'literal':
if ($single) {
$regex = '(' . $begin . $tagName . '\b(?>[^' . $end . ']*)' . $end . ')';
$regex .= '(?:(?>[^' . $begin . ']*)(?>(?!' . $begin . '(?>' . $tagName . '\b[^' . $end . ']*|\/' . $tagName . ')' . $end . ')' . $begin . '[^' . $begin . ']*)*)';
$regex .= '(' . $begin . '\/' . $tagName . $end . ')';
} else {
$regex = '(' . $begin . $tagName . '\b(?>(?:(?!' . $end . ').)*)' . $end . ')';
$regex .= '(?:(?>(?:(?!' . $begin . ').)*)(?>(?!' . $begin . '(?>' . $tagName . '\b(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end . ')' . $begin . '(?>(?:(?!' . $begin . ').)*))*)';
$regex .= '(' . $begin . '\/' . $tagName . $end . ')';
}
break;
case 'restoreliteral':
$regex = '<!--###literal(\d+)###-->';
break;
case 'include':
$name = 'file';
case 'taglib':
case 'layout':
case 'extend':
if (empty($name)) {
$name = 'name';
}
if ($single) {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
} else {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
}
break;
}
}
return '/' . $regex . '/is';
}