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<?php
/**
* Smarty Internal Plugin Compile PHP Expression
* Compiles any tag which will output an expression or variable
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile PHP Expression Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Private_Php extends Smarty_Internal_CompileBase
{
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $required_attributes = array('code', 'type');
/**
* Compiles code for generating output from any expression
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return string
* @throws \SmartyException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
$compiler->has_code = false;
if ($_attr[ 'type' ] === 'xml') {
$compiler->tag_nocache = true;
$output = addcslashes($_attr[ 'code' ], "'\\");
$compiler->parser->current_buffer->append_subtree(
$compiler->parser,
new Smarty_Internal_ParseTree_Tag(
$compiler->parser,
$compiler->processNocacheCode(
"<?php echo '{$output}';?>\n",
true
)
)
);
return '';
}
if ($_attr[ 'type' ] !== 'tag') {
if ($compiler->php_handling === Smarty::PHP_REMOVE) {
return '';
} elseif ($compiler->php_handling === Smarty::PHP_QUOTE) {
$output =
preg_replace_callback(
'#(<\?(?:php|=)?)|(<%)|(<script\s+language\s*=\s*["\']?\s*php\s*["\']?\s*>)|(\?>)|(%>)|(<\/script>)#i',
array($this, 'quote'),
$_attr[ 'code' ]
);
$compiler->parser->current_buffer->append_subtree(
$compiler->parser,
new Smarty_Internal_ParseTree_Text($output)
);
return '';
} elseif ($compiler->php_handling === Smarty::PHP_PASSTHRU || $_attr[ 'type' ] === 'unmatched') {
$compiler->tag_nocache = true;
$output = addcslashes($_attr[ 'code' ], "'\\");
$compiler->parser->current_buffer->append_subtree(
$compiler->parser,
new Smarty_Internal_ParseTree_Tag(
$compiler->parser,
$compiler->processNocacheCode(
"<?php echo '{$output}';?>\n",
true
)
)
);
return '';
} elseif ($compiler->php_handling === Smarty::PHP_ALLOW) {
if (!($compiler->smarty instanceof SmartyBC)) {
$compiler->trigger_template_error(
'$smarty->php_handling PHP_ALLOW not allowed. Use SmartyBC to enable it',
null,
true
);
}
$compiler->has_code = true;
return $_attr[ 'code' ];
} else {
$compiler->trigger_template_error('Illegal $smarty->php_handling value', null, true);
}
} else {
$compiler->has_code = true;
if (!($compiler->smarty instanceof SmartyBC)) {
$compiler->trigger_template_error(
'{php}{/php} tags not allowed. Use SmartyBC to enable them',
null,
true
);
}
$ldel = preg_quote($compiler->smarty->left_delimiter, '#');
$rdel = preg_quote($compiler->smarty->right_delimiter, '#');
preg_match("#^({$ldel}php\\s*)((.)*?)({$rdel})#", $_attr[ 'code' ], $match);
if (!empty($match[ 2 ])) {
if ('nocache' === trim($match[ 2 ])) {
$compiler->tag_nocache = true;
} else {
$compiler->trigger_template_error("illegal value of option flag '{$match[2]}'", null, true);
}
}
return preg_replace(
array("#^{$ldel}\\s*php\\s*(.)*?{$rdel}#", "#{$ldel}\\s*/\\s*php\\s*{$rdel}$#"),
array('<?php ', '?>'),
$_attr[ 'code' ]
);
}
}
/**
* Lexer code for PHP tags
*
* This code has been moved from lexer here fo easier debugging and maintenance
*
* @param Smarty_Internal_Templatelexer $lex
*
* @throws \SmartyCompilerException
*/
public function parsePhp(Smarty_Internal_Templatelexer $lex)
{
$lex->token = Smarty_Internal_Templateparser::TP_PHP;
$close = 0;
$lex->taglineno = $lex->line;
$closeTag = '?>';
if (strpos($lex->value, '<?xml') === 0) {
$lex->is_xml = true;
$lex->phpType = 'xml';
return;
} elseif (strpos($lex->value, '<?') === 0) {
$lex->phpType = 'php';
} elseif (strpos($lex->value, '<%') === 0) {
$lex->phpType = 'asp';
$closeTag = '%>';
} elseif (strpos($lex->value, '%>') === 0) {
$lex->phpType = 'unmatched';
} elseif (strpos($lex->value, '?>') === 0) {
if ($lex->is_xml) {
$lex->is_xml = false;
$lex->phpType = 'xml';
return;
}
$lex->phpType = 'unmatched';
} elseif (strpos($lex->value, '<s') === 0) {
$lex->phpType = 'script';
$closeTag = '</script>';
} elseif (strpos($lex->value, $lex->smarty->left_delimiter) === 0) {
if ($lex->isAutoLiteral()) {
$lex->token = Smarty_Internal_Templateparser::TP_TEXT;
return;
}
$closeTag = "{$lex->smarty->left_delimiter}/php{$lex->smarty->right_delimiter}";
if ($lex->value === $closeTag) {
$lex->compiler->trigger_template_error("unexpected closing tag '{$closeTag}'");
}
$lex->phpType = 'tag';
}
if ($lex->phpType === 'unmatched') {
return;
}
if (($lex->phpType === 'php' || $lex->phpType === 'asp')
&&
($lex->compiler->php_handling === Smarty::PHP_PASSTHRU ||
$lex->compiler->php_handling === Smarty::PHP_QUOTE)
) {
return;
}
$start = $lex->counter + strlen($lex->value);
$body = true;
if (preg_match('~' . preg_quote($closeTag, '~') . '~i', $lex->data, $match, PREG_OFFSET_CAPTURE, $start)) {
$close = $match[ 0 ][ 1 ];
} else {
$lex->compiler->trigger_template_error("missing closing tag '{$closeTag}'");
}
while ($body) {
if (preg_match(
'~([/][*])|([/][/][^\n]*)|(\'[^\'\\\\]*(?:\\.[^\'\\\\]*)*\')|("[^"\\\\]*(?:\\.[^"\\\\]*)*")~',
$lex->data,
$match,
PREG_OFFSET_CAPTURE,
$start
)
) {
$value = $match[ 0 ][ 0 ];
$from = $pos = $match[ 0 ][ 1 ];
if ($pos > $close) {
$body = false;
} else {
$start = $pos + strlen($value);
$phpCommentStart = $value === '/*';
if ($phpCommentStart) {
$phpCommentEnd = preg_match('~([*][/])~', $lex->data, $match, PREG_OFFSET_CAPTURE, $start);
if ($phpCommentEnd) {
$pos2 = $match[ 0 ][ 1 ];
$start = $pos2 + strlen($match[ 0 ][ 0 ]);
}
}
while ($close > $pos && $close < $start) {
if (preg_match(
'~' . preg_quote($closeTag, '~') . '~i',
$lex->data,
$match,
PREG_OFFSET_CAPTURE,
$from
)
) {
$close = $match[ 0 ][ 1 ];
$from = $close + strlen($match[ 0 ][ 0 ]);
} else {
$lex->compiler->trigger_template_error("missing closing tag '{$closeTag}'");
}
}
if ($phpCommentStart && (!$phpCommentEnd || $pos2 > $close)) {
$lex->taglineno = $lex->line + substr_count(substr($lex->data, $lex->counter, $start), "\n");
$lex->compiler->trigger_template_error("missing PHP comment closing tag '*/'");
}
}
} else {
$body = false;
}
}
$lex->value = substr($lex->data, $lex->counter, $close + strlen($closeTag) - $lex->counter);
}
/*
* Call back function for $php_handling = PHP_QUOTE
*
*/
/**
* @param $match
*
* @return string
*/
private function quote($match)
{
return htmlspecialchars($match[ 0 ], ENT_QUOTES);
}
}