function view_template($view)
{
view_ckreftpl($view);
return view_cachefile($view);
}
public function parse($tplfile, $tpl, $path)
{
$fp = fopen($tplfile, 'rb');
if ($fp) {
$content = fread($fp, filesize($tplfile));
fclose($fp);
} else {
throw new error("{$tpl} template file don't read!");
}
//变量
$var_regexp = self::VAR_REGEXP;
//常量
$const_regexp = self::CONST_REGEXP;
//解析动态模版, 最高允许8层
$i = 0;
while ($i < 8 && strpos($content, '{subtemplate') !== false) {
$content = preg_replace_callback('/[\\n\\r\\t]*(?:\\<\\!\\-\\-)?\\{subtemplate\\s+(.+?)\\}(\\-\\-\\>)?[\\r\\r\\t]*/is', function ($matches) use($path) {
$content = implode('', file(view_tplfile($matches[1])));
if ($content) {
$this->_subtemplate_list[] = $matches[1];
return $content;
} else {
return "<!--{$matches[1]} no find-->";
}
}, $content);
$i++;
}
unset($i);
//去掉tab
$content = preg_replace('/([\\n\\r])+\\t+/s', "\$1", $content);
//统一{}和<!--{}-->
$content = preg_replace('/\\<\\!\\-\\-(\\{.+?\\})\\-\\-\\>/s', "\$1", $content);
//保存不解析的内容
$content = preg_replace_callback('/[\\n\\r\\t]*\\{html\\}(.+?)\\{\\/html\\}/is', function ($matches) {
$this->_func_store['search'][$this->_func_index] = $search = '<!--FUNC-HTML_' . $this->_func_index . '-->';
$this->_func_store['replace'][$this->_func_index] = $matches[1];
$this->_func_index++;
return $search;
}, $content);
//解析date
$content = preg_replace_callback('/[\\n\\r\\t]*\\{date\\s+(.+?)(?:\\s+(.+?))?\\s*\\}/is', function ($matches) {
if (isset($matches[2])) {
return $this->_ay_func("{$matches['1']}, {$matches['2']}", 'ygmdate');
} else {
return $this->_ay_func("{$matches['1']}", 'ygmdate');
}
}, $content);
//解析echo，php原形echo
$content = preg_replace_callback('/[\\n\\r\\t]*\\{echo\\s+(.+?)(?:;)?[\\n\\r\\t]*\\}/is', function ($matches) {
$echo = $this->_addquote($matches[1]);
$this->_func_store['search'][$this->_func_index] = $search = '<!--FUNC-ECHO_' . $this->_func_index . '-->';
$this->_func_store['replace'][$this->_func_index] = "<?php echo {$echo};?>";
$this->_func_index++;
return $search;
}, $content);
//解析eval，将内容当作php代码
$content = preg_replace_callback('/[\\n\\r\\t]*\\{eval\\s+(.+?)\\s*\\}/is', function ($matches) {
$eval = $this->_addquote($matches[1]);
$this->_func_store['search'][$this->_func_index] = $search = '<!--FUNC-EVAL_' . $this->_func_index . '-->';
$this->_func_store['replace'][$this->_func_index] = "<?php {$eval};?>";
//后面加上;总是没错的
$this->_func_index++;
return $search;
}, $content);
//解析yaf\registry里的值
$content = preg_replace_callback('/\\{G\\s+([\\w\\/]+)\\s*\\}/s', function ($matches) {
$keys = trim($matches[1], '/');
return $this->_ay_func("'{$keys}'", 'g');
}, $content);
//解析CSS
$content = preg_replace_callback('/\\{\\-css\\-\\}/s', function ($matches) {
$request = \yk::app()->getDispatcher()->getRequest();
$curmca = strtolower($request->getModuleName() . '/' . $request->getControllerName() . '/' . $request->getActionName());
$cssdata = file_get_contents(view_cachefile('module', '.css'));
$common_cache = view_cachefile('common', '.css');
$module_css[] = file_exists($common_cache) ? file_get_contents($common_cache) : '';
$cssdata = preg_replace_callback('/\\[(.+?)\\](.+?)\\[end\\]/s', function ($m) use($curmca, &$module_css) {
foreach (explode(',', $m[1]) as $name) {
if (strpos($curmca, trim($name)) === 0) {
$module_css[] = $m[2];
}
}
return '';
}, $cssdata);
$cssname = g('_config/view/name') . '_' . md5(APP_NAME . '/' . $curmca) . '.css';
if (!empty($module_css)) {
$fp = fopen(MAIN_PATH . '/public/css/' . $cssname, 'wb');
if ($fp) {
fwrite($fp, implode('', $module_css));
fclose($fp);
} else {
throw new error("css module can't write to ./css path");
}
return '<link rel="stylesheet" type="text/css" href="/css/' . $cssname . '" />';
} else {
return '';
}
}, $content);
//变量替换
$content = preg_replace('/\\{(\\$[a-zA-Z0-9_\\-\\>\\[\\]\'\\"\\$\\.\\x7f-\\xff]+)\\}/s', "<?=\$1?>", $content);
$content = preg_replace_callback("/{$var_regexp}/s", [$this, '_ay_var_revise'], $content);
$content = preg_replace_callback("/\\<\\?\\=\\<\\?\\={$var_regexp}\\?\\>\\?\\>/s", function ($matches) {
return $this->_addquote('<?=' . $matches[1] . '?>');
}, $content);
//----------------------------解析end-----------------------------------------
//动态模版是包含的，所以需要额外检查是否更新了
$header = '';
if (!empty($this->_subtemplate_list)) {
$header .= "\n0 ";
foreach ($this->_subtemplate_list as $file) {
$header .= "|| view_ckreftpl('{$tpl}', '{$file}', '" . time() . "')\n";
}
$header .= ';';
}
//加上头信息
$content = "<?php {$header}?>\n{$content}";
//解析嵌套模版
$content = preg_replace_callback('/[\\n\\r\\t]*\\{template\\s+(.+?)\\}[\\n\\r\\t]*/is', function ($matches) {
return '<?php include view_template(\'' . $matches[1] . '\');?>';
}, $content);
//解析if elseif else /if
$content = preg_replace_callback('/([\\n\\r\\t]*)\\{if\\s*(.+?)\\s*\\}([\\n\\r\\t]*)/is', function ($matches) {
return $this->_stripvtags($matches[1] . '<?php if(' . $matches[2] . ') { ?>' . $matches[3]);
}, $content);
$content = preg_replace_callback('/([\\n\\r\\t]*)\\{elseif\\s*(.+?)\\s*\\}([\\n\\r\\t]*)/is', function ($matches) {
return $this->_stripvtags($matches[1] . '<?php }elseif(' . $matches[2] . ') { ?>' . $matches[3]);
}, $content);
$content = preg_replace('/([\\n\\r\\t]*)\\{else\\s*\\}([\\n\\r\\t]*)/is', "\$1<?php }else { ?>\$2", $content);
$content = preg_replace('/([\\n\\r\\t]*)\\{\\/if\\s*\\}([\\n\\r\\t]*)/is', "\$1<?php } ?>\$2", $content);
//解析foreach // foreach[(]$array [as] [$k] [=>] $v[)] 其中[]内可省略
//loop 是 foreach的别名
$content = preg_replace('/\\{foreach(.+?)\\}/is', "{loop\$1}", $content);
//抽出()符号
$content = preg_replace('/[\\n\\r\\t]*\\{loop[\\s\\(]*(.+?)[\\s\\)]*\\}/is', "{loop \$1}", $content);
//抽出as
$content = preg_replace('/\\{loop[\\s\\(]*(.+?)\\s+as\\s+(.+?)[\\s\\)]*\\}/is', "{loop \$1 \$2}", $content);
//抽出=>
$content = preg_replace('/\\{loop[\\s\\(]*(.+?)\\s*\\=\\>\\s*(.+?)[\\s\\)]*\\}/is', "{loop \$1 \$2}", $content);
//正式解析loop
$content = preg_replace_callback('/\\{loop\\s+(\\S+)\\s+(\\S+)\\}/is', function ($matches) {
$str = "<?php if(is_array({$matches[1]}) && !empty({$matches[1]})) foreach({$matches[1]} as {$matches[2]} ){ ?>";
return $this->_stripvtags($str);
}, $content);
$content = preg_replace_callback('/\\{loop\\s+(\\S+)\\s+(\\S+)\\s+(\\S+)\\}/is', function ($matches) {
$str = "<?php if(is_array({$matches[1]}) && !empty({$matches[1]})) foreach({$matches[1]} as {$matches['2']} => {$matches['3']} ){ ?>";
return $this->_stripvtags($str);
}, $content);
//解析loop foreach 的空数据
//解析empty
$content = preg_replace('/\\{empty\\}/', "<?php }else{ ?>", $content);
$content = preg_replace('/([\\n\\r\\t]*)\\{\\/(?:foreach|loop)\\s*\\}([\\n\\r\\t]*)/is', "\$1<?php } ?>\$2", $content);
//常量替换, 避免污染表达式,以及特定的符号
$content = preg_replace("/\\{{$const_regexp}\\}/s", "<?=\$1?>", $content);
//恢复方法
if ($this->_func_index > 0) {
$content = str_replace($this->_func_store['search'], $this->_func_store['replace'], $content);
}
/*恢复<?=$var?> */
$content = preg_replace('/\\<\\?\\=(.+?)\\?\\>/is', "<?php echo \$1; ?>", $content);
/*去掉相邻的?><?php */
$content = preg_replace('/\\?\\>[\\n\\r]*\\<\\?php/is', " ", $content);
return $content;
}
