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更新默认模板引擎功能

This commit is contained in:
TOP糯米 2019-08-24 11:10:31 +08:00
parent 75a0127d60
commit 68d36f27d2
1 changed files with 138 additions and 104 deletions
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242
framework/library/template/driver/tags/Engine.php
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@ -85,15 +85,6 @@ class Engine
return self::$instance;
}
/**
* 外部加载扩展标签
* @param $lib
*/
public function loadTaglib($lib)
{
$this->extend[] = $lib;
}
/**
* 处理模板继承
* @param $template
@ -101,11 +92,11 @@ class Engine
*/
private function parseExtend($template)
{
$pattern = '#' . $this->left . 'extend +file=[\'"](.*?)[\'"] +/' . $this->right . '#';
$pattern = '/' . $this->left . 'extend.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is';
preg_match($pattern, $template, $matches);
if (!empty($matches)) {
$blockPattern = '#' . $this->left . 'block +name=[\'"](.*?)[\'"]' . $this->right;
$blockPattern .= '([\s\S]*?)' . $this->left . '\/block' . $this->right . '#';
$blockPattern = '/' . $this->left . 'block.*?name=[\'"](.*?)[\'"]' . $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';
$extendFileContent = null;
@ -154,14 +145,14 @@ class Engine
*/
private function parseInclude($template)
{
$pattern = '#' . $this->left . 'include +file=[\'"](.*?)[\'"] +/' . $this->right . '#';
$pattern = '/' . $this->left . 'include.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is';
$template = preg_replace_callback($pattern, function ($result) {
$str = null;
$string = null;
$file = $this->config['dir'] . $result[1] . '.html';
if (file_exists($file)) {
$str = file_get_contents($file);
$string = file_get_contents($file);
}
return $str;
return $string;
}, $template);
// 处理多层include
if ($this->hasInclude($template)) {
@ -177,7 +168,7 @@ class Engine
*/
private function hasInclude($template)
{
$pattern = '#' . $this->left . 'include +file=[\'"](.*?)[\'"] +/' . $this->right . '#';
$pattern = '/' . $this->left . 'include.*?file=[\'"](.*?)[\'"].*?\/' . $this->right . '/is';
preg_match($pattern, $template, $matches);
return !empty($matches);
}
@ -189,7 +180,7 @@ class Engine
*/
private function parseVars($template)
{
preg_match_all('#{(.*?)}#', $template, $matches);
preg_match_all('/{(.*?)}/', $template, $matches);
$search = [];
$replace = [];
for ($i = 0; $i < count($matches[0]); $i++) {
@ -207,6 +198,15 @@ class Engine
return $template;
}
/**
* 外部加载扩展标签
* @param $lib
*/
public function loadTaglib($lib)
{
$this->extend[] = $lib;
}
/**
* 标签处理
* @param $template
@ -228,18 +228,19 @@ class Engine
/**
* 获取标签处理结果
* @param $name
* @param $tagContent
* @return mixed
* @param $method
* @param $tag
* @param string $content
* @return null
*/
private function getTagParseResult($name, $tagContent = [])
private function getTagParseResult($method, $tag, $content = '')
{
if (method_exists($this, $name)) {
return $this->{$name}($tagContent);
if (method_exists($this, $method)) {
return $this->{$method}($tag, $content);
} else {
foreach ($this->extendInstance as $item) {
if (method_exists($item, $name)) {
return $item->{$name}($tagContent);
if (method_exists($item, $method)) {
return $item->{$method}($tag, $content);
}
}
return null;
@ -255,31 +256,97 @@ class Engine
private function _parseTags($template, $tags)
{
foreach ($tags as $name => $item) {
$pattern = '#' . $this->left . $name . '(.*?)' . ($item['close'] ? null : '\/') . $this->right . '#';
preg_match_all($pattern, $template, $matches);
for ($i = 0; $i < count($matches[0]); $i++) {
$tag = [];
if ($item['attr']) {
$attrPattern = '#(.*?)=[\'"](.*?)[\'"]#';
preg_match_all($attrPattern, $matches[1][$i], $result);
if (isset($result[0]) && !empty($result[0])) {
foreach ($result[1] as $key => $value) {
$tag[trim($value, ' ')] = $result[2][$key];
$pattern = '/' . $this->left . '(?:(' . $name . ')\b(?>[^' . $this->right . ']*)|\/(' . $name . '))';
$pattern .= $this->right . '/is';
if ($item['close']) {
preg_match_all($pattern, $template, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
$nodes = [];
if (!empty($matches)) {
// 将匹配结果组合为成对数组
$start = [];
foreach ($matches as $match) {
// 为空则为结束标签
if ($match[1][0] == '') {
$tag = array_pop($start);
$nodes[$match[0][1]] = [
'name' => $name,
'start' => $tag[1],
'end' => $match[0][1],
'start_str' => $tag[0],
'end_str' => $match[0][0],
];
} else {
$start[] = $match[0];
}
}
unset($matches, $start);
krsort($nodes);
if (!empty($nodes)) {
$nodes = array_merge($nodes, []);
$cut = '<!--CONTENT-->';
$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, $cut));
while ($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
if ($node['end'] > $begin['start']) {
break;
} else {
// 否则先替换掉这个标签后面的所有开始标签
$begin = array_pop($startArray);
$template = substr_replace($template, $begin['string'], $begin['start'], $begin['length']);
}
}
$template = substr_replace($template, $replace[1], $node['end'], strlen($node['end_str']));
$startArray[] = [
'start' => $node['start'],
'length' => strlen($node['start_str']),
'string' => $replace[0]
];
}
// 替换掉最后入栈，未进入while循环的开始标签
while ($startArray) {
$begin = array_pop($startArray);
$template = substr_replace($template, $begin['string'], $begin['start'], $begin['length']);
}
}
}
$function = ($item['close']) ? '_' . $name . '_start' : '_' . $name;
$template = str_replace($matches[0][$i], $this->getTagParseResult($function, $tag), $template);
}
if ($item['close']) {
$closePattern = '#' . $this->left . '\/' . $name . $this->right . '#';
$template = preg_replace_callback($closePattern, function () use ($name) {
$function = '_' . $name . '_end';
return $this->getTagParseResult($function);
} 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);
}
}
return preg_replace('#\?>([\r|\n|\s]*?)<\?php#', '', $template);
return preg_replace('/\?>([\r|\n|\s]*?)<\?php/is', '', $template);
}
/**
* 获取属性
* @param $string
* @param array $tags
* @return array
*/
private function getAttr($string, $tags = [])
{
$attr = [];
$attrPattern = '/[ +](.*?)=[\'"](.*?)[\'"]/is';
preg_match_all($attrPattern, $string, $result);
if (isset($result[0]) && !empty($result[0])) {
foreach ($result[1] as $key => $value) {
$name = trim($value, ' ');
if (in_array($name, $tags)) {
$attr[$name] = $result[2][$key];
}
}
}
return $attr;
}
/**
@ -289,15 +356,15 @@ class Engine
*/
private function parseRaw($template)
{
$pattern = '#' . $this->left . 'raw' . $this->right . '([\s\S]*?)';
$pattern .= $this->left . '\/raw' . $this->right . '#';
$pattern = '/' . $this->left . 'raw' . $this->right . '([\s\S]*?)';
$pattern .= $this->left . '\/raw' . $this->right . '/is';
$template = preg_replace_callback($pattern, function ($matches) {
return str_replace([
$this->left, $this->right,
'{', '}'
], [
'<raw!--', '--raw>',
'<-raw!--', '--raw->'
'<RAW!--', '--RAW>',
'<RAW!--', '--RAW>'
], $matches[1]);
}, $template);
return $template;
@ -311,8 +378,8 @@ class Engine
public function returnRaw($template)
{
$template = str_replace([
'<raw!--', '--raw>',
'<-raw!--', '--raw->'
'<RAW!--', '--RAW>',
'<RAW!--', '--RAW>'
], [
$this->left, $this->right,
'{', '}'
@ -322,47 +389,35 @@ class Engine
/**
* php标签开始
* @param $tag
* @param $content
* @return string
*/
private function _php_start()
private function _php($tag, $content)
{
return '<?php ';
}
/**
* php标签结束
* @return string
*/
private function _php_end()
{
return ' ?>';
return '<?php ' . $content . ' ?>';
}
/**
* if标签
* @param $tag
* @param $content
* @return string
*/
private function _if_start($tag)
private function _if($tag, $content)
{
return '<?php if (' . $tag['condition'] . '): ?>';
$parse = '<?php if (' . $tag['condition'] . '): ?>';
$parse .= $content;
$parse .= '<?php echo ' . $tag['condition'] . '; endif; ?>';
return $parse;
}
/**
* if标签结束
* @return string
*/
private function _if_end()
{
return '<?php endif; ?>';
}
/**
* else标签（支持条件）
* else标签
* @param $tag
* @return string
*/
private function _else_start($tag)
private function _else($tag)
{
if (isset($tag['condition'])) {
$parse = '<?php elseif (' . $tag['condition'] . '): ?>';
@ -375,44 +430,23 @@ class Engine
/**
* volist标签
* @param $tag
* @param $content
* @return string
*/
private function _volist_start($tag)
private function _volist($tag, $content)
{
if (substr($tag['name'], 0, 1) == ':') {
$name = substr($tag['name'], 1);
} else {
$name = '$' . $tag['name'];
}
$key = (empty($tag['key'])) ? null : '$' . $tag['key'] . ' = 0;';
$parse = '<?php ' . $key . ' foreach (' . $name . ' as $' . $tag['id'] . '): ';
$parse .= ($key ? '$' . $tag['key'] . '++;' : null) . ' ?>';
$parse = '<?php ' . (isset($tag['key']) ? '$' . $tag['key'] . ' = 0; ' : '');
$parse .= 'foreach($' . $tag['name'] . ' as ' . (isset($tag['index']) ? '$' . $tag['index'] . '=>' : '') . '$' . $tag['id'] . '): ';
$parse .= (isset($tag['key']) ? '$' . $tag['key'] . '++;' : '') . ' ?>';
$parse .= $content;
$parse .= '<?php endforeach; ?>';
return $parse;
}
/**
* volist标签结束
* @return string
*/
private function _volist_end()
{
return '<?php endforeach; ?>';
}
/**
* assign标签
* @param $tag
* @return string
*/
private function _assign($tag)
{
return '<?php $' . $tag['name'] . ' = ' . $tag['value'] . '; ?>';
}
/**
* 获取编译后的内容
* @param $template
* @return bool|mixed|null|string|string[]
* @return mixed|null|string|string[]
*/
public function compile($template)
{