<?php<liu21st@gmail.com>
namespace think;
use think\exception\TemplateNotFoundException;
use think\template\TagLib;
class Template
{
protected $data = [];
protected $config = [
'view_path' => '', 'view_base' => '',
'view_suffix' => 'html', 'view_depr' => DS,
'cache_suffix' => 'php', 'tpl_deny_func_list' => 'echo,exit', 'tpl_deny_php' => false, 'tpl_begin' => '{', 'tpl_end' => '}', 'strip_space' => false, 'tpl_cache' => true, 'compile_type' => 'file', 'cache_prefix' => '', 'cache_time' => 0, 'layout_on' => false, 'layout_name' => 'layout', 'layout_item' => '{__CONTENT__}', 'taglib_begin' => '{', 'taglib_end' => '}', 'taglib_load' => true, 'taglib_build_in' => 'cx', 'taglib_pre_load' => '', 'display_cache' => false, 'cache_id' => '', 'tpl_replace_string' => [],
'tpl_var_identify' => 'array', ];
private $literal = [];
private $includeFile = []; protected $storage;
public function __construct(array $config = [])
{
$this->config['cache_path'] = TEMP_PATH;
$this->config = array_merge($this->config, $config);
$this->config['taglib_begin_origin'] = $this->config['taglib_begin'];
$this->config['taglib_end_origin'] = $this->config['taglib_end'];
$this->config['taglib_begin'] = preg_quote($this->config['taglib_begin'], '/');
$this->config['taglib_end'] = preg_quote($this->config['taglib_end'], '/');
$this->config['tpl_begin'] = preg_quote($this->config['tpl_begin'], '/');
$this->config['tpl_end'] = preg_quote($this->config['tpl_end'], '/');
$type = $this->config['compile_type'] ? $this->config['compile_type'] : 'File';
$class = false !== strpos($type, '\\') ? $type : '\\think\\template\\driver\\' . ucwords($type);
$this->storage = new $class();
}
public function assign($name, $value = '')
{
if (is_array($name)) {
$this->data = array_merge($this->data, $name);
} else {
$this->data[$name] = $value;
}
}
public function __set($name, $value)
{
$this->config[$name] = $value;
}
public function config($config)
{
if (is_array($config)) {
$this->config = array_merge($this->config, $config);
} elseif (isset($this->config[$config])) {
return $this->config[$config];
} else {
return;
}
}
public function get($name = '')
{
if ('' == $name) {
return $this->data;
} else {
$data = $this->data;
foreach (explode('.', $name) as $key => $val) {
if (isset($data[$val])) {
$data = $data[$val];
} else {
$data = null;
break;
}
}
return $data;
}
}
public function fetch($template, $vars = [], $config = [])
{
if ($vars) {
$this->data = $vars;
}
if ($config) {
$this->config($config);
}
if (!empty($this->config['cache_id']) && $this->config['display_cache']) {
$cacheContent = Cache::get($this->config['cache_id']);
if (false !== $cacheContent) {
echo $cacheContent;
return;
}
}
$template = $this->parseTemplateFile($template);
if ($template) {
$cacheFile = $this->config['cache_path'] . $this->config['cache_prefix'] . md5($this->config['layout_name'] . $template) . '.' . ltrim($this->config['cache_suffix'], '.');
if (!$this->checkCache($cacheFile)) {
$content = file_get_contents($template);
$this->compiler($content, $cacheFile);
}
ob_start();
ob_implicit_flush(0);
$this->storage->read($cacheFile, $this->data);
$content = ob_get_clean();
if (!empty($this->config['cache_id']) && $this->config['display_cache']) {
Cache::set($this->config['cache_id'], $content, $this->config['cache_time']);
}
echo $content;
}
}
public function display($content, $vars = [], $config = [])
{
if ($vars) {
$this->data = $vars;
}
if ($config) {
$this->config($config);
}
$cacheFile = $this->config['cache_path'] . $this->config['cache_prefix'] . md5($content) . '.' . ltrim($this->config['cache_suffix'], '.');
if (!$this->checkCache($cacheFile)) {
$this->compiler($content, $cacheFile);
}
$this->storage->read($cacheFile, $this->data);
}
public function layout($name, $replace = '')
{
if (false === $name) {
$this->config['layout_on'] = false;
} else {
$this->config['layout_on'] = true;
if (is_string($name)) {
$this->config['layout_name'] = $name;
}
if (!empty($replace)) {
$this->config['layout_item'] = $replace;
}
}
return $this;
}
private function checkCache($cacheFile)
{
if (!$this->config['tpl_cache']) {
return false;
}
if (!is_file($cacheFile)) {
return false;
}
if (!$handle = @fopen($cacheFile, "r")) {
return false;
}
preg_match('/\/\*(.+?)\* if (!isset($matches[1])) {
return false;
}
$includeFile = unserialize($matches[1]);
if (!is_array($includeFile)) {
return false;
}
foreach ($includeFile as $path => $time) {
if (is_file($path) && filemtime($path) > $time) {
return false;
}
}
return $this->storage->check($cacheFile, $this->config['cache_time']);
}
public function isCache($cacheId)
{
if ($cacheId && $this->config['display_cache']) {
return Cache::has($cacheId);
}
return false;
}
private function compiler(&$content, $cacheFile)
{
if ($this->config['layout_on']) {
if (false !== strpos($content, '{__NOLAYOUT__}')) {
$content = str_replace('{__NOLAYOUT__}', '', $content);
} else {
$layoutFile = $this->parseTemplateFile($this->config['layout_name']);
if ($layoutFile) {
$content = str_replace($this->config['layout_item'], $content, file_get_contents($layoutFile));
}
}
} else {
$content = str_replace('{__NOLAYOUT__}', '', $content);
}
$this->parse($content);
if ($this->config['strip_space']) {
$find = ['~>\s+<~', '~>(\s+\n|\r)~'];
$replace = ['><', '>'];
$content = preg_replace($find, $replace, $content);
}
$content = preg_replace('/\?>\s*<\?php\s(?!echo\b)/s', '', $content);
$replace = $this->config['tpl_replace_string'];
$content = str_replace(array_keys($replace), array_values($replace), $content);
$content = '<?php if (!defined(\'THINK_PATH\')) exit(); ?>' . "\n" . $content;
$this->storage->write($cacheFile, $content);
$this->includeFile = [];
return;
}
public function parse(&$content)
{
if (empty($content)) {
return;
}
$this->parseLiteral($content);
$this->parseExtend($content);
$this->parseLayout($content);
$this->parseInclude($content);
$this->parseLiteral($content);
$this->parsePhp($content);
<taglib name="html,mytag..." />
if ($this->config['taglib_load']) {
$tagLibs = $this->getIncludeTagLib($content);
if (!empty($tagLibs)) {
foreach ($tagLibs as $tagLibName) {
$this->parseTagLib($tagLibName, $content);
}
}
}
if ($this->config['taglib_pre_load']) {
$tagLibs = explode(',', $this->config['taglib_pre_load']);
foreach ($tagLibs as $tag) {
$this->parseTagLib($tag, $content);
}
}
$tagLibs = explode(',', $this->config['taglib_build_in']);
foreach ($tagLibs as $tag) {
$this->parseTagLib($tag, $content, true);
}
$this->parseTag($content);
$this->parseLiteral($content, true);
return;
}
private function parsePhp(&$content)
{
<?标签用echo方式输出 否则无法正常输出xml标识
$content = preg_replace('/(<\?(?!php|=|$))/i', '<?php echo \'\\1\'; ?>' . "\n", $content);
if ($this->config['tpl_deny_php'] && false !== strpos($content, '<?php')) {
throw new Exception('not allow php tag', 11600);
}
return;
}
private function parseLayout(&$content)
{
if (preg_match($this->getRegex('layout'), $content, $matches)) {
$content = str_replace($matches[0], '', $content);
$array = $this->parseAttr($matches[0]);
if (!$this->config['layout_on'] || $this->config['layout_name'] != $array['name']) {
$layoutFile = $this->parseTemplateFile($array['name']);
if ($layoutFile) {
$replace = isset($array['replace']) ? $array['replace'] : $this->config['layout_item'];
$content = str_replace($replace, $content, file_get_contents($layoutFile));
}
}
} else {
$content = str_replace('{__NOLAYOUT__}', '', $content);
}
return;
}
private function parseInclude(&$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]);
$file = $array['file'];
unset($array['file']);
$parseStr = $this->parseTemplateName($file);
foreach ($array as $k => $v) {
if (0 === strpos($v, '(?P<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?P<value>(?:(?!\\2).)*)\\2/is';
$array = [];
if (preg_match_all($regex, $str, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$array[$match['name']] = $match['value'];
}
unset($matches);
}
if (!empty($name) && isset($array[$name])) {
return $array[$name];
} else {
return $array;
}
}
private function parseTag(&$content)
{
$regex = $this->getRegex('tag');
if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$str = stripslashes($match[1]);
$flag = substr($str, 0, 1);
switch ($flag) {
case '$':
if (false !== $pos = strpos($str, '?')) {
$array = preg_split('/([!=]={1,2}|(?<!-)[><]={0,1})/', substr($str, 0, $pos), 2, PREG_SPLIT_DELIM_CAPTURE);
$name = $array[0];
$this->parseVar($name);
$this->parseVarFunction($name);
$str = trim(substr($str, $pos + 1));
$this->parseVar($str);
$first = substr($str, 0, 1);
if (strpos($name, ')')) {
if (isset($array[1])) {
$this->parseVar($array[2]);
$name .= $array[1] . $array[2];
}
switch ($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 . '?' . $str . '; ?>';
}
} else {
if (isset($array[1])) {
$this->parseVar($array[2]);
$express = $name . $array[1] . $array[2];
} else {
$express = false;
}
switch ($first) {
case '?':
$str = '<?php echo ' . ($express ?: 'isset(' . $name . ')') . '?' . $name . ':' . substr($str, 1) . '; ?>';
break;
case '=':
$str = '<?php if(' . ($express ?: '!empty(' . $name . ')') . ') echo ' . substr($str, 1) . '; ?>';
break;
case ':':
$str = '<?php echo ' . ($express ?: '!empty(' . $name . ')') . '?' . $name . $str . '; ?>';
break;
default:
$str = '<?php echo ' . ($express ?: '!empty(' . $name . ')') . '?' . $str . '; ?>';
}
}
} else {
$this->parseVar($str);
$this->parseVarFunction($str);
$str = '<?php echo ' . $str . '; ?>';
}
break;
case ':':
$str = substr($str, 1);
$this->parseVar($str);
$str = '<?php echo ' . $str . '; ?>';
break;
case '~':
$str = substr($str, 1);
$this->parseVar($str);
$str = '<?php ' . $str . '; ?>';
break;
case '-':
case '+':
$this->parseVar($str);
$str = '<?php echo ' . $str . '; ?>';
break;
case '/':
$flag2 = substr($str, 1, 1);
if ('/' == $flag2 || ('*' == $flag2 && substr(rtrim($str), -2) == '*/')) {
$str = '';
}
break;
default:
$str = $this->config['tpl_begin'] . $str . $this->config['tpl_end'];
break;
}
$content = str_replace($match[0], $str, $content);
}
unset($matches);
}
return;
}
public function parseVar(&$varStr)
{
$varStr = trim($varStr);
if (preg_match_all('/\$[a-zA-Z_](?>\w*)(?:[:\.][0-9a-zA-Z_](?>\w*))+/', $varStr, $matches, PREG_OFFSET_CAPTURE)) {
static $_varParseList = [];
while ($matches[0]) {
$match = array_pop($matches[0]);
if (isset($_varParseList[$match[0]])) {
$parseStr = $_varParseList[$match[0]];
} else {
if (strpos($match[0], '.')) {
$vars = explode('.', $match[0]);
$first = array_shift($vars);
if ('$Think' == $first) {
$parseStr = $this->parseThinkVar($vars);
} elseif ('$Request' == $first) {
$method = array_shift($vars);
if (!empty($vars)) {
$params = implode('.', $vars);
if ('true' != $params) {
$params = '\'' . $params . '\'';
}
} else {
$params = '';
}
$parseStr = '\think\Request::instance()->' . $method . '(' . $params . ')';
} else {
switch ($this->config['tpl_var_identify']) {
case 'array': $parseStr = $first . '[\'' . implode('\'][\'', $vars) . '\']';
break;
case 'obj': $parseStr = $first . '->' . implode('->', $vars);
break;
default: $parseStr = '(is_array(' . $first . ')?' . $first . '[\'' . implode('\'][\'', $vars) . '\']:' . $first . '->' . implode('->', $vars) . ')';
}
}
} else {
$parseStr = str_replace(':', '->', $match[0]);
}
$_varParseList[$match[0]] = $parseStr;
}
$varStr = substr_replace($varStr, $parseStr, $match[1], strlen($match[0]));
}
unset($matches);
}
return;
}
public function parseVarFunction(&$varStr)
{
if (false == strpos($varStr, '|')) {
return;
}
static $_varFunctionList = [];
$_key = md5($varStr);
if (isset($_varFunctionList[$_key])) {
$varStr = $_varFunctionList[$_key];
} else {
$varArray = explode('|', $varStr);
$name = array_shift($varArray);
$length = count($varArray);
$template_deny_funs = explode(',', $this->config['tpl_deny_func_list']);
for ($i = 0; $i < $length; $i++) {
$args = explode('=', $varArray[$i], 2);
$fun = trim($args[0]);
switch ($fun) {
case 'default': if (false === strpos($name, '(')) {
$name = '(isset(' . $name . ') && (' . $name . ' !== \'\')?' . $name . ':' . $args[1] . ')';
} else {
$name = '(' . $name . ' ?: ' . $args[1] . ')';
}
break;
default: if (!in_array($fun, $template_deny_funs)) {
if (isset($args[1])) {
if (strstr($args[1], '###')) {
$args[1] = str_replace('###', $name, $args[1]);
$name = "$fun($args[1])";
} else {
$name = "$fun($name,$args[1])";
}
} else {
if (!empty($args[0])) {
$name = "$fun($name)";
}
}
}
}
}
$_varFunctionList[$_key] = $name;
$varStr = $name;
}
return;
}
public function parseThinkVar($vars)
{
$type = strtoupper(trim(array_shift($vars)));
$param = implode('.', $vars);
if ($vars) {
switch ($type) {
case 'SERVER':
$parseStr = '\\think\\Request::instance()->server(\'' . $param . '\')';
break;
case 'GET':
$parseStr = '\\think\\Request::instance()->get(\'' . $param . '\')';
break;
case 'POST':
$parseStr = '\\think\\Request::instance()->post(\'' . $param . '\')';
break;
case 'COOKIE':
$parseStr = '\\think\\Cookie::get(\'' . $param . '\')';
break;
case 'SESSION':
$parseStr = '\\think\\Session::get(\'' . $param . '\')';
break;
case 'ENV':
$parseStr = '\\think\\Request::instance()->env(\'' . $param . '\')';
break;
case 'REQUEST':
$parseStr = '\\think\\Request::instance()->request(\'' . $param . '\')';
break;
case 'CONST':
$parseStr = strtoupper($param);
break;
case 'LANG':
$parseStr = '\\think\\Lang::get(\'' . $param . '\')';
break;
case 'CONFIG':
$parseStr = '\\think\\Config::get(\'' . $param . '\')';
break;
default:
$parseStr = '\'\'';
break;
}
} else {
switch ($type) {
case 'NOW':
$parseStr = "date('Y-m-d g:i a',time())";
break;
case 'VERSION':
$parseStr = 'THINK_VERSION';
break;
case 'LDELIM':
$parseStr = '\'' . ltrim($this->config['tpl_begin'], '\\') . '\'';
break;
case 'RDELIM':
$parseStr = '\'' . ltrim($this->config['tpl_end'], '\\') . '\'';
break;
default:
if (defined($type)) {
$parseStr = $type;
} else {
$parseStr = '';
}
}
}
return $parseStr;
}
private function parseTemplateName($templateName)
{
$array = explode(',', $templateName);
$parseStr = '';
foreach ($array as $templateName) {
if (empty($templateName)) {
continue;
}
if (0 === strpos($templateName, '$')) {
$templateName = $this->get(substr($templateName, 1));
}
$template = $this->parseTemplateFile($templateName);
if ($template) {
$parseStr .= file_get_contents($template);
}
}
return $parseStr;
}
private function parseTemplateFile($template)
{
if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
if (strpos($template, '@')) {
list($module, $template) = explode('@', $template);
}
if (0 !== strpos($template, '/')) {
$template = str_replace(['/', ':'], $this->config['view_depr'], $template);
} else {
$template = str_replace(['/', ':'], $this->config['view_depr'], substr($template, 1));
}
if ($this->config['view_base']) {
$module = isset($module) ? $module : Request::instance()->module();
$path = $this->config['view_base'] . ($module ? $module . DS : '');
} else {
$path = isset($module) ? APP_PATH . $module . DS . basename($this->config['view_path']) . DS : $this->config['view_path'];
}
$template = realpath($path . $template . '.' . ltrim($this->config['view_suffix'], '.'));
}
if (is_file($template)) {
$this->includeFile[$template] = filemtime($template);
return $template;
} else {
throw new TemplateNotFoundException('template not exists:' . $template, $template);
}
}
private function getRegex($tagName)
{
$regex = '';
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=([\'\"])(?P<name>[\$\w\-\/\.]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
} else {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?P<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 = '';
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 . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
} else {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
}
break;
}
}
return '/' . $regex . '/is';
}
}
)) {
$v = $this->get(substr($v, 1));
}
$parseStr = str_replace('[' . $k . ']', $v, $parseStr);
}
$content = str_replace($match[0], $parseStr, $content);
$func($parseStr);
}
unset($matches);
}
};
$func($content);
return;
}
private function parseExtend(&$content)
{
$regex = $this->getRegex('extend');
$array = $blocks = $baseBlocks = [];
$extend = '';
$func = function ($template) use (&$func, &$regex, &$array, &$extend, &$blocks, &$baseBlocks) {
if (preg_match($regex, $template, $matches)) {
if (!isset($array[$matches['name']])) {
$array[$matches['name']] = 1;
$extend = $this->parseTemplateName($matches['name']);
$func($extend);
$blocks = array_merge($blocks, $this->parseBlock($template));
return;
}
} else {
$baseBlocks = $this->parseBlock($template, true);
if (empty($extend)) {
$extend = $template;
}
}
};
$func($content);
if (!empty($extend)) {
if ($baseBlocks) {
$children = [];
foreach ($baseBlocks as $name => $val) {
$replace = $val['content'];
if (!empty($children[$name])) {
foreach ($children[$name] as $key) {
$replace = str_replace($baseBlocks[$key]['begin'] . $baseBlocks[$key]['content'] . $baseBlocks[$key]['end'], $blocks[$key]['content'], $replace);
}
}
if (isset($blocks[$name])) {
$replace = str_replace(['{__BLOCK__}', '{__block__}'], $replace, $blocks[$name]['content']);
if (!empty($val['parent'])) {
$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][] = $name;
continue;
}
} elseif (!empty($val['parent'])) {
$children[$val['parent']][] = $name;
$blocks[$name] = $val;
}
if (!$val['parent']) {
$extend = str_replace($val['begin'] . $val['content'] . $val['end'], $replace, $extend);
}
}
}
$content = $extend;
unset($blocks, $baseBlocks);
}
return;
}
private function parseLiteral(&$content, $restore = false)
{
$regex = $this->getRegex($restore ? 'restoreliteral' : 'literal');
if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) {
if (!$restore) {
$count = count($this->literal);
foreach ($matches as $match) {
$this->literal[] = substr($match[0], strlen($match[1]), -strlen($match[2]));
$content = str_replace($match[0], "", $content);
$count++;
}
} else {
foreach ($matches as $match) {
$content = str_replace($match[0], $this->literal[$match[1]], $content);
}
$this->literal = [];
}
unset($matches);
}
return;
}
private function parseBlock(&$content, $sort = false)
{
$regex = $this->getRegex('block');
$result = [];
if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
$right = $keys = [];
foreach ($matches as $match) {
if (empty($match['name'][0])) {
if (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'] : '',
];
$keys[$tag['name']] = $match[0][1];
}
} else {
$right[] = [
'name' => $match[2][0],
'offset' => $match[0][1],
'tag' => $match[0][0],
];
}
}
unset($right, $matches);
if ($sort) {
array_multisort($keys, $result);
}
}
return $result;
}
private function getIncludeTagLib(&$content)
{
if (preg_match($this->getRegex('taglib'), $content, $matches)) {
$content = str_replace($matches[0], '', $content);
return explode(',', $matches['name']);
}
return;
}
public function parseTagLib($tagLib, &$content, $hide = false)
{
if (false !== strpos($tagLib, '\\')) {
$className = $tagLib;
$tagLib = substr($tagLib, strrpos($tagLib, '\\') + 1);
} else {
$className = '\\think\\template\\taglib\\' . ucwords($tagLib);
}
$tLib = new $className($this);
$tLib->parseTag($content, $hide ? '' : $tagLib);
return;
}
public function parseAttr($str, $name = null)
{
$regex = '/\s+(?>(?P<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?P<value>(?:(?!\\2).)*)\\2/is';
$array = [];
if (preg_match_all($regex, $str, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$array[$match['name']] = $match['value'];
}
unset($matches);
}
if (!empty($name) && isset($array[$name])) {
return $array[$name];
} else {
return $array;
}
}
private function parseTag(&$content)
{
$regex = $this->getRegex('tag');
if (preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$str = stripslashes($match[1]);
$flag = substr($str, 0, 1);
switch ($flag) {
case '$':
if (false !== $pos = strpos($str, '?')) {
$array = preg_split('/([!=]={1,2}|(?<!-)[><]={0,1})/', substr($str, 0, $pos), 2, PREG_SPLIT_DELIM_CAPTURE);
$name = $array[0];
$this->parseVar($name);
$this->parseVarFunction($name);
$str = trim(substr($str, $pos + 1));
$this->parseVar($str);
$first = substr($str, 0, 1);
if (strpos($name, ')')) {
if (isset($array[1])) {
$this->parseVar($array[2]);
$name .= $array[1] . $array[2];
}
switch ($first) {
case '?':
$str = '{{{PHP5}}}';
break;
case '=':
$str = '{{{PHP6}}}';
break;
default:
$str = '{{{PHP7}}}';
}
} else {
if (isset($array[1])) {
$this->parseVar($array[2]);
$express = $name . $array[1] . $array[2];
} else {
$express = false;
}
switch ($first) {
case '?':
$str = '{{{PHP8}}}';
break;
case '=':
$str = '{{{PHP9}}}';
break;
case ':':
$str = '{{{PHP10}}}';
break;
default:
$str = '{{{PHP11}}}';
}
}
} else {
$this->parseVar($str);
$this->parseVarFunction($str);
$str = '{{{PHP12}}}';
}
break;
case ':':
$str = substr($str, 1);
$this->parseVar($str);
$str = '{{{PHP13}}}';
break;
case '~':
$str = substr($str, 1);
$this->parseVar($str);
$str = '{{{PHP14}}}';
break;
case '-':
case '+':
$this->parseVar($str);
$str = '{{{PHP15}}}';
break;
case '/':
$flag2 = substr($str, 1, 1);
if ('/' == $flag2 || ('*' == $flag2 && substr(rtrim($str), -2) == '*/')) {
$str = '';
}
break;
default:
$str = $this->config['tpl_begin'] . $str . $this->config['tpl_end'];
break;
}
$content = str_replace($match[0], $str, $content);
}
unset($matches);
}
return;
}
public function parseVar(&$varStr)
{
$varStr = trim($varStr);
if (preg_match_all('/\$[a-zA-Z_](?>\w*)(?:[:\.][0-9a-zA-Z_](?>\w*))+/', $varStr, $matches, PREG_OFFSET_CAPTURE)) {
static $_varParseList = [];
while ($matches[0]) {
$match = array_pop($matches[0]);
if (isset($_varParseList[$match[0]])) {
$parseStr = $_varParseList[$match[0]];
} else {
if (strpos($match[0], '.')) {
$vars = explode('.', $match[0]);
$first = array_shift($vars);
if ('$Think' == $first) {
$parseStr = $this->parseThinkVar($vars);
} elseif ('$Request' == $first) {
$method = array_shift($vars);
if (!empty($vars)) {
$params = implode('.', $vars);
if ('true' != $params) {
$params = '\'' . $params . '\'';
}
} else {
$params = '';
}
$parseStr = '\think\Request::instance()->' . $method . '(' . $params . ')';
} else {
switch ($this->config['tpl_var_identify']) {
case 'array': $parseStr = $first . '[\'' . implode('\'][\'', $vars) . '\']';
break;
case 'obj': $parseStr = $first . '->' . implode('->', $vars);
break;
default: $parseStr = '(is_array(' . $first . ')?' . $first . '[\'' . implode('\'][\'', $vars) . '\']:' . $first . '->' . implode('->', $vars) . ')';
}
}
} else {
$parseStr = str_replace(':', '->', $match[0]);
}
$_varParseList[$match[0]] = $parseStr;
}
$varStr = substr_replace($varStr, $parseStr, $match[1], strlen($match[0]));
}
unset($matches);
}
return;
}
public function parseVarFunction(&$varStr)
{
if (false == strpos($varStr, '|')) {
return;
}
static $_varFunctionList = [];
$_key = md5($varStr);
if (isset($_varFunctionList[$_key])) {
$varStr = $_varFunctionList[$_key];
} else {
$varArray = explode('|', $varStr);
$name = array_shift($varArray);
$length = count($varArray);
$template_deny_funs = explode(',', $this->config['tpl_deny_func_list']);
for ($i = 0; $i < $length; $i++) {
$args = explode('=', $varArray[$i], 2);
$fun = trim($args[0]);
switch ($fun) {
case 'default': if (false === strpos($name, '(')) {
$name = '(isset(' . $name . ') && (' . $name . ' !== \'\')?' . $name . ':' . $args[1] . ')';
} else {
$name = '(' . $name . ' ?: ' . $args[1] . ')';
}
break;
default: if (!in_array($fun, $template_deny_funs)) {
if (isset($args[1])) {
if (strstr($args[1], '###')) {
$args[1] = str_replace('###', $name, $args[1]);
$name = "$fun($args[1])";
} else {
$name = "$fun($name,$args[1])";
}
} else {
if (!empty($args[0])) {
$name = "$fun($name)";
}
}
}
}
}
$_varFunctionList[$_key] = $name;
$varStr = $name;
}
return;
}
public function parseThinkVar($vars)
{
$type = strtoupper(trim(array_shift($vars)));
$param = implode('.', $vars);
if ($vars) {
switch ($type) {
case 'SERVER':
$parseStr = '\\think\\Request::instance()->server(\'' . $param . '\')';
break;
case 'GET':
$parseStr = '\\think\\Request::instance()->get(\'' . $param . '\')';
break;
case 'POST':
$parseStr = '\\think\\Request::instance()->post(\'' . $param . '\')';
break;
case 'COOKIE':
$parseStr = '\\think\\Cookie::get(\'' . $param . '\')';
break;
case 'SESSION':
$parseStr = '\\think\\Session::get(\'' . $param . '\')';
break;
case 'ENV':
$parseStr = '\\think\\Request::instance()->env(\'' . $param . '\')';
break;
case 'REQUEST':
$parseStr = '\\think\\Request::instance()->request(\'' . $param . '\')';
break;
case 'CONST':
$parseStr = strtoupper($param);
break;
case 'LANG':
$parseStr = '\\think\\Lang::get(\'' . $param . '\')';
break;
case 'CONFIG':
$parseStr = '\\think\\Config::get(\'' . $param . '\')';
break;
default:
$parseStr = '\'\'';
break;
}
} else {
switch ($type) {
case 'NOW':
$parseStr = "date('Y-m-d g:i a',time())";
break;
case 'VERSION':
$parseStr = 'THINK_VERSION';
break;
case 'LDELIM':
$parseStr = '\'' . ltrim($this->config['tpl_begin'], '\\') . '\'';
break;
case 'RDELIM':
$parseStr = '\'' . ltrim($this->config['tpl_end'], '\\') . '\'';
break;
default:
if (defined($type)) {
$parseStr = $type;
} else {
$parseStr = '';
}
}
}
return $parseStr;
}
private function parseTemplateName($templateName)
{
$array = explode(',', $templateName);
$parseStr = '';
foreach ($array as $templateName) {
if (empty($templateName)) {
continue;
}
if (0 === strpos($templateName, '$')) {
$templateName = $this->get(substr($templateName, 1));
}
$template = $this->parseTemplateFile($templateName);
if ($template) {
$parseStr .= file_get_contents($template);
}
}
return $parseStr;
}
private function parseTemplateFile($template)
{
if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
if (strpos($template, '@')) {
list($module, $template) = explode('@', $template);
}
if (0 !== strpos($template, '/')) {
$template = str_replace(['/', ':'], $this->config['view_depr'], $template);
} else {
$template = str_replace(['/', ':'], $this->config['view_depr'], substr($template, 1));
}
if ($this->config['view_base']) {
$module = isset($module) ? $module : Request::instance()->module();
$path = $this->config['view_base'] . ($module ? $module . DS : '');
} else {
$path = isset($module) ? APP_PATH . $module . DS . basename($this->config['view_path']) . DS : $this->config['view_path'];
}
$template = realpath($path . $template . '.' . ltrim($this->config['view_suffix'], '.'));
}
if (is_file($template)) {
$this->includeFile[$template] = filemtime($template);
return $template;
} else {
throw new TemplateNotFoundException('template not exists:' . $template, $template);
}
}
private function getRegex($tagName)
{
$regex = '';
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=([\'\"])(?P<name>[\$\w\-\/\.]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
} else {
$regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?P<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 = '';
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 . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
} else {
$regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
}
break;
}
}
return '/' . $regex . '/is';
}
}