protected function function_check($code)
{
$preg = '#(\\W|\\s)' . implode('(\\W|\\s)|(\\W|\\s)', self::$black_list) . '(\\W|\\s)#';
if (count(self::$black_list) && preg_match($preg, $code, $match)) {
$line = 0;
$rows = explode("\n", $this->tpl['source']);
while (!strpos($rows[$line], $code)) {
$line++;
}
$e = new RainTpl_SyntaxException('Unallowed syntax in ' . $this->tpl['tpl_filename'] . ' template');
throw $e->setTemplateFile($this->tpl['tpl_filename'])->setTag($code)->setTemplateLine($line);
}
}
/**
* Check if function is in black list (sandbox)
*
* @access protected
* @param string $code
* @throws RainTpl_SyntaxException
* @return void
*/
protected function function_check($code)
{
$preg = '#(\\W|\\s)' . implode('(\\W|\\s)|(\\W|\\s)', self::$black_list) . '(\\W|\\s)#';
// check if the function is in the black list (or not in white list)
if (count(self::$black_list) && preg_match($preg, $code, $match)) {
// find the line of the error
$line = 0;
$rows = explode("\n", $this->tpl['source']);
while (!strpos($rows[$line], $code)) {
$line++;
}
// stop the execution of the script
$e = new RainTpl_SyntaxException('Unallowed syntax in ' . $this->tpl['tpl_filename'] . ' template');
throw $e->setTemplateFile($this->tpl['tpl_filename'])->setTag($code)->setTemplateLine($line);
}
}
/**
* Compile template
* @access protected
*/
protected function _compile_template($code, $template_basedir, $template_filepath)
{
//path replace (src of img, background and href of link)
if (static::$conf['path_replace']) {
$code = $this->_path_replace($code, $template_basedir);
}
// set tags
foreach (static::$conf['tags'] as $tag => $tag_array) {
list($split, $match) = $tag_array;
$tag_split[$tag] = $split;
$tag_match[$tag] = $match;
}
$keys = array_keys(static::$conf['registered_tags']);
$tag_split += array_merge($tag_split, $keys);
//split the code with the tags regexp
$code_split = preg_split("/" . implode("|", $tag_split) . "/", $code, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
//variables initialization
$parsed_code = $comment_is_open = $ignore_is_open = NULL;
$open_if = $loop_level = 0;
//read all parsed code
while ($html = array_shift($code_split)) {
//close ignore tag
if (!$comment_is_open && preg_match($tag_match['ignore_close'], $html)) {
$ignore_is_open = FALSE;
} elseif ($ignore_is_open) {
//ignore the code
} elseif (preg_match($tag_match['noparse_close'], $html)) {
$comment_is_open = FALSE;
} elseif ($comment_is_open) {
$parsed_code .= $html;
} elseif (preg_match($tag_match['ignore'], $html)) {
$ignore_is_open = TRUE;
} elseif (preg_match($tag_match['noparse'], $html)) {
$comment_is_open = TRUE;
} elseif (preg_match($tag_match['include'], $html, $matches)) {
//variables substitution
$include_var = $this->_var_replace($matches[1], $loop_level);
//dynamic include
$parsed_code .= '<?php $tpl = new ' . get_called_class() . ';' . '$tpl_dir_temp = static::$conf[\'tpl_dir\'];' . '$tpl->assign( $this->var );' . (!$loop_level ? null : '$tpl->assign( "key", $key' . $loop_level . ' ); $tpl->assign( "value", $value' . $loop_level . ' );') . '$tpl->draw( dirname("' . $include_var . '") . ( substr("' . $include_var . '",-1,1) != "/" ? "/" : "" ) . basename("' . $include_var . '") );' . '?>';
} elseif (preg_match($tag_match['loop'], $html, $matches)) {
//increase the loop counter
$loop_level++;
// check if is a function
if (preg_match("/.*\\(.*\\)/", $matches['variable'])) {
$var = $matches['variable'];
} else {
//replace the variable in the loop
$var = $this->_var_replace($matches['variable'], $loop_level - 1, $escape = false);
}
//loop variables
$counter = "\$counter{$loop_level}";
// count iteration
if (isset($matches['key']) && isset($matches['value'])) {
$key = $matches['key'];
$value = $matches['value'];
} elseif (isset($matches['key'])) {
$key = "\$key{$loop_level}";
// key
$value = $matches['key'];
} else {
$key = "\$key{$loop_level}";
// key
$value = "\$value{$loop_level}";
// value
}
//loop code
$parsed_code .= "<?php {$counter}=-1; if( is_array({$var}) && sizeof({$var}) ) foreach( {$var} as {$key} => {$value} ){ {$counter}++; ?>";
} elseif (preg_match($tag_match['loop_close'], $html)) {
//iterator
$counter = "\$counter{$loop_level}";
//decrease the loop counter
$loop_level--;
//close loop code
$parsed_code .= "<?php } ?>";
} elseif (preg_match($tag_match['if'], $html, $matches)) {
//increase open if counter (for intendation)
$open_if++;
//tag
$tag = $matches[0];
//condition attribute
$condition = $matches[1];
//variable substitution into condition (no delimiter into the condition)
$parsed_condition = $this->_var_replace($condition, $loop_level, $escape = false);
//if code
$parsed_code .= "<?php if( {$parsed_condition} ){ ?>";
} elseif (preg_match($tag_match['elseif'], $html, $matches)) {
//tag
$tag = $matches[0];
//condition attribute
$condition = $matches[1];
//variable substitution into condition (no delimiter into the condition)
$parsed_condition = $this->_var_replace($condition, $loop_level, $escape = false);
//elseif code
$parsed_code .= "<?php }elseif( {$parsed_condition} ){ ?>";
} elseif (preg_match($tag_match['else'], $html)) {
//else code
$parsed_code .= '<?php }else{ ?>';
} elseif (preg_match($tag_match['if_close'], $html)) {
//decrease if counter
$open_if--;
// close if code
$parsed_code .= '<?php } ?>';
} elseif (preg_match($tag_match['function'], $html, $matches)) {
// get function
$function = $matches[1];
// var replace
if (isset($matches[2])) {
$parsed_function = $function . $this->_var_replace($matches[2], $loop_level, $escape = false, $echo = false);
} else {
$parsed_function = $function . "()";
}
// function
$parsed_code .= "<?php echo {$parsed_function}; ?>";
} elseif (preg_match($tag_match['variable'], $html, $matches)) {
//variables substitution (es. {$title})
$parsed_code .= "<?php " . $this->_var_replace($matches[1], $loop_level, $escape = true, $echo = true) . "; ?>";
} elseif (preg_match($tag_match['constant'], $html, $matches)) {
$parsed_code .= "<?php echo " . $this->_con_replace($matches[1], $loop_level) . "; ?>";
} else {
$found = false;
foreach (static::$conf['registered_tags'] as $tags => $array) {
if (preg_match_all('/' . $array['parse'] . '/', $html, $matches)) {
$found = true;
$parsed_code .= "<?php echo call_user_func( static::\$conf['registered_tags']['{$tags}']['function'], " . var_export($matches, 1) . " ); ?>";
}
}
if (!$found) {
$parsed_code .= $html;
}
}
}
if ($open_if > 0) {
$e = new RainTpl_SyntaxException('Error! You need to close an {if} tag in ' . $template_filepath . ' template');
throw $e->setTemplateFile($template_filepath);
}
if ($loop_level > 0) {
$e = new RainTpl_SyntaxException('Error! You need to close the {loop} tag in ' . $template_filepath . ' template');
throw $e->setTemplateFile($template_filepath);
}
return $parsed_code;
}
