mirror of https://github.com/friendica/friendica
395 lines
9.6 KiB
PHP
395 lines
9.6 KiB
PHP
<?php
|
|
/**
|
|
* Smarty Internal Plugin Templateparser Parsetrees
|
|
* These are classes to build parsetrees in the template parser
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @author Thue Kristensen
|
|
* @author Uwe Tews
|
|
*/
|
|
|
|
/**
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
abstract class _smarty_parsetree
|
|
{
|
|
/**
|
|
* Parser object
|
|
*
|
|
* @var object
|
|
*/
|
|
public $parser;
|
|
/**
|
|
* Buffer content
|
|
*
|
|
* @var mixed
|
|
*/
|
|
public $data;
|
|
|
|
/**
|
|
* Subtree array
|
|
*
|
|
* @var array
|
|
*/
|
|
public $subtrees = array();
|
|
|
|
/**
|
|
* Return buffer
|
|
*
|
|
* @return string buffer content
|
|
*/
|
|
abstract public function to_smarty_php();
|
|
}
|
|
|
|
/**
|
|
* A complete smarty tag.
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_tag extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Saved block nesting level
|
|
*
|
|
* @var int
|
|
*/
|
|
public $saved_block_nesting;
|
|
|
|
/**
|
|
* Create parse tree buffer for Smarty tag
|
|
*
|
|
* @param object $parser parser object
|
|
* @param string $data content
|
|
*/
|
|
public function __construct($parser, $data)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->data = $data;
|
|
$this->saved_block_nesting = $parser->block_nesting_level;
|
|
}
|
|
|
|
/**
|
|
* Return buffer content
|
|
*
|
|
* @return string content
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
return $this->data;
|
|
}
|
|
|
|
/**
|
|
* Return complied code that loads the evaluated output of buffer content into a temporary variable
|
|
*
|
|
* @return string template code
|
|
*/
|
|
public function assign_to_var()
|
|
{
|
|
$var = sprintf('$_tmp%d', ++Smarty_Internal_Templateparser::$prefix_number);
|
|
$this->parser->compiler->prefix_code[] = sprintf('<?php ob_start();?>%s<?php %s=ob_get_clean();?>', $this->data, $var);
|
|
|
|
return $var;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Code fragment inside a tag.
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_code extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Create parse tree buffer for code fragment
|
|
*
|
|
* @param object $parser parser object
|
|
* @param string $data content
|
|
*/
|
|
public function __construct($parser, $data)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->data = $data;
|
|
}
|
|
|
|
/**
|
|
* Return buffer content in parentheses
|
|
*
|
|
* @return string content
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
return sprintf("(%s)", $this->data);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Double quoted string inside a tag.
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_doublequoted extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Create parse tree buffer for double quoted string subtrees
|
|
*
|
|
* @param object $parser parser object
|
|
* @param _smarty_parsetree $subtree parsetree buffer
|
|
*/
|
|
public function __construct($parser, _smarty_parsetree $subtree)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->subtrees[] = $subtree;
|
|
if ($subtree instanceof _smarty_tag) {
|
|
$this->parser->block_nesting_level = count($this->parser->compiler->_tag_stack);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Append buffer to subtree
|
|
*
|
|
* @param _smarty_parsetree $subtree parsetree buffer
|
|
*/
|
|
public function append_subtree(_smarty_parsetree $subtree)
|
|
{
|
|
$last_subtree = count($this->subtrees) - 1;
|
|
if ($last_subtree >= 0 && $this->subtrees[$last_subtree] instanceof _smarty_tag && $this->subtrees[$last_subtree]->saved_block_nesting < $this->parser->block_nesting_level) {
|
|
if ($subtree instanceof _smarty_code) {
|
|
$this->subtrees[$last_subtree]->data .= '<?php echo ' . $subtree->data . ';?>';
|
|
} elseif ($subtree instanceof _smarty_dq_content) {
|
|
$this->subtrees[$last_subtree]->data .= '<?php echo "' . $subtree->data . '";?>';
|
|
} else {
|
|
$this->subtrees[$last_subtree]->data .= $subtree->data;
|
|
}
|
|
} else {
|
|
$this->subtrees[] = $subtree;
|
|
}
|
|
if ($subtree instanceof _smarty_tag) {
|
|
$this->parser->block_nesting_level = count($this->parser->compiler->_tag_stack);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge subtree buffer content together
|
|
*
|
|
* @return string compiled template code
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
$code = '';
|
|
foreach ($this->subtrees as $subtree) {
|
|
if ($code !== "") {
|
|
$code .= ".";
|
|
}
|
|
if ($subtree instanceof _smarty_tag) {
|
|
$more_php = $subtree->assign_to_var();
|
|
} else {
|
|
$more_php = $subtree->to_smarty_php();
|
|
}
|
|
|
|
$code .= $more_php;
|
|
|
|
if (!$subtree instanceof _smarty_dq_content) {
|
|
$this->parser->compiler->has_variable_string = true;
|
|
}
|
|
}
|
|
|
|
return $code;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Raw chars as part of a double quoted string.
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_dq_content extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Create parse tree buffer with string content
|
|
*
|
|
* @param object $parser parser object
|
|
* @param string $data string section
|
|
*/
|
|
public function __construct($parser, $data)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->data = $data;
|
|
}
|
|
|
|
/**
|
|
* Return content as double quoted string
|
|
*
|
|
* @return string doubled quoted string
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
return '"' . $this->data . '"';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Template element
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_template_buffer extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Array of template elements
|
|
*
|
|
* @var array
|
|
*/
|
|
public $subtrees = Array();
|
|
|
|
/**
|
|
* Create root of parse tree for template elements
|
|
*
|
|
* @param object $parser parse object
|
|
*/
|
|
public function __construct($parser)
|
|
{
|
|
$this->parser = $parser;
|
|
}
|
|
|
|
/**
|
|
* Append buffer to subtree
|
|
*
|
|
* @param _smarty_parsetree $subtree
|
|
*/
|
|
public function append_subtree(_smarty_parsetree $subtree)
|
|
{
|
|
$this->subtrees[] = $subtree;
|
|
}
|
|
|
|
/**
|
|
* Sanitize and merge subtree buffers together
|
|
*
|
|
* @return string template code content
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
$code = '';
|
|
for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key ++) {
|
|
if ($key + 2 < $cnt) {
|
|
if ($this->subtrees[$key] instanceof _smarty_linebreak && $this->subtrees[$key + 1] instanceof _smarty_tag && $this->subtrees[$key + 1]->data == '' && $this->subtrees[$key + 2] instanceof _smarty_linebreak) {
|
|
$key = $key + 1;
|
|
continue;
|
|
}
|
|
if (substr($this->subtrees[$key]->data, - 1) == '<' && $this->subtrees[$key + 1]->data == '' && substr($this->subtrees[$key + 2]->data, - 1) == '?') {
|
|
$key = $key + 2;
|
|
continue;
|
|
}
|
|
}
|
|
if (substr($code, - 1) == '<') {
|
|
$subtree = $this->subtrees[$key]->to_smarty_php();
|
|
if (substr($subtree, 0, 1) == '?') {
|
|
$code = substr($code, 0, strlen($code) - 1) . '<<?php ?>?' . substr($subtree, 1);
|
|
} elseif ($this->parser->asp_tags && substr($subtree, 0, 1) == '%') {
|
|
$code = substr($code, 0, strlen($code) - 1) . '<<?php ?>%' . substr($subtree, 1);
|
|
} else {
|
|
$code .= $subtree;
|
|
}
|
|
continue;
|
|
}
|
|
if ($this->parser->asp_tags && substr($code, - 1) == '%') {
|
|
$subtree = $this->subtrees[$key]->to_smarty_php();
|
|
if (substr($subtree, 0, 1) == '>') {
|
|
$code = substr($code, 0, strlen($code) - 1) . '%<?php ?>>' . substr($subtree, 1);
|
|
} else {
|
|
$code .= $subtree;
|
|
}
|
|
continue;
|
|
}
|
|
if (substr($code, - 1) == '?') {
|
|
$subtree = $this->subtrees[$key]->to_smarty_php();
|
|
if (substr($subtree, 0, 1) == '>') {
|
|
$code = substr($code, 0, strlen($code) - 1) . '?<?php ?>>' . substr($subtree, 1);
|
|
} else {
|
|
$code .= $subtree;
|
|
}
|
|
continue;
|
|
}
|
|
$code .= $this->subtrees[$key]->to_smarty_php();
|
|
}
|
|
|
|
return $code;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* template text
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_text extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Create template text buffer
|
|
*
|
|
* @param object $parser parser object
|
|
* @param string $data text
|
|
*/
|
|
public function __construct($parser, $data)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->data = $data;
|
|
}
|
|
|
|
/**
|
|
* Return buffer content
|
|
*
|
|
* @return strint text
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
return $this->data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* template linebreaks
|
|
*
|
|
* @package Smarty
|
|
* @subpackage Compiler
|
|
* @ignore
|
|
*/
|
|
class _smarty_linebreak extends _smarty_parsetree
|
|
{
|
|
/**
|
|
* Create buffer with linebreak content
|
|
*
|
|
* @param object $parser parser object
|
|
* @param string $data linebreak string
|
|
*/
|
|
public function __construct($parser, $data)
|
|
{
|
|
$this->parser = $parser;
|
|
$this->data = $data;
|
|
}
|
|
|
|
/**
|
|
* Return linebrak
|
|
*
|
|
* @return string linebreak
|
|
*/
|
|
public function to_smarty_php()
|
|
{
|
|
return $this->data;
|
|
}
|
|
}
|