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smarty/lexer/smarty_internal_templateparser.y

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add .plex and .y files add lexer .plex and parser .y files to distribution for easier version control
2014-12-14 00:49:42 +01:00
/**
* Smarty Internal Plugin Templateparser
*
* This is the template parser
*
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
%stack_size 500
%name TP_
%declare_class {
/**
* Smarty Internal Plugin Templateparser
*
* This is the template parser.
* It is generated from the smarty_internal_templateparser.y file
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
class Smarty_Internal_Templateparser
}
%include_class
{
const Err1 = "Security error: Call to private object member not allowed";
const Err2 = "Security error: Call to dynamic object member not allowed";
const Err3 = "PHP in template not allowed. Use SmartyBC to enable it";
/**
* result status
*
* @var bool
*/
public $successful = true;
/**
* return value
*
* @var mixed
*/
public $retvalue = 0;
/**
* counter for prefix code
*
* @var int
*/
public static $prefix_number = 0;
/**
* @var
*/
public $yymajor;
/**
* last index of array variable
*
* @var mixed
*/
public $last_index;
/**
* last variable name
*
* @var string
*/
public $last_variable;
/**
* root parse tree buffer
*
* @var _smarty_template_buffer
*/
public $root_buffer;
/**
* current parse tree object
*
* @var _smarty_template_buffer
*/
public $current_buffer;
/**
* lexer object
*
* @var Smarty_Internal_Templatelexer
*/
private $lex;
/**
* internal error flag
*
* @var bool
*/
private $internalError = false;
/**
* {strip} status
*
* @var bool
*/
private $strip = false;
/**
* compiler object
*
* @var Smarty_Internal_TemplateCompilerBase
*/
public $compiler = null;
/**
* smarty object
*
* @var Smarty
*/
public $smarty = null;
/**
* template object
*
* @var Smarty_Internal_Template
*/
public $template = null;
/**
* block nesting level
*
* @var int
*/
public $block_nesting_level = 0;
/**
* xml tag flag
*
* @var bool
*/
private $is_xml = false;
/**
* security object
*
* @var Smarty_Security
*/
private $security = null;
/**
* asp enabled
*
* @var bool
*/
private $asp_tags = false;
/**
* PHP tag handling mode
*
* @var int
*/
private $php_handling = 0;
/**
* constructor
*
* @param Smarty_Internal_Templatelexer $lex
* @param Smarty_Internal_TemplateCompilerBase $compiler
*/
function __construct(Smarty_Internal_Templatelexer $lex, Smarty_Internal_TemplateCompilerBase $compiler)
{
$this->lex = $lex;
$this->compiler = $compiler;
$this->template = $this->compiler->template;
$this->smarty = $this->template->smarty;
$this->compiler->has_variable_string = false;
$this->compiler->prefix_code = array();
if ($this->security = isset($this->smarty->security_policy)) {
$this->php_handling = $this->smarty->security_policy->php_handling;
} else {
$this->php_handling = $this->smarty->php_handling;
}
$this->asp_tags = (ini_get('asp_tags') != '0');
$this->current_buffer = $this->root_buffer = new _smarty_template_buffer($this);
}
/**
* insert PHP code in current buffer
*
* @param string $code
*/
public function insertPhpCode($code)
{
$this->current_buffer->append_subtree(new _smarty_tag($this, $code));
}
/**
* compile variable
*
* @param string $variable
*
* @return string
*/
public function compileVariable($variable)
{
if (strpos($variable, '(') == 0) {
// not a variable variable
$var = trim($variable, '\'');
$this->compiler->tag_nocache = $this->compiler->tag_nocache | $this->template->getVariable($var, null, true, false)->nocache;
$this->template->properties['variables'][$var] = $this->compiler->tag_nocache | $this->compiler->nocache;
}
return '$_smarty_tpl->tpl_vars[' . $variable . ']->value';
}
}
%token_prefix TP_
%parse_accept
{
$this->successful = !$this->internalError;
$this->internalError = false;
$this->retvalue = $this->_retvalue;
//echo $this->retvalue."\n\n";
}
%syntax_error
{
$this->internalError = true;
$this->yymajor = $yymajor;
$this->compiler->trigger_template_error();
}
%stack_overflow
{
$this->internalError = true;
$this->compiler->trigger_template_error("Stack overflow in template parser");
}
%left VERT.
%left COLON.
//
// complete template
//
start(res) ::= template. {
res = $this->root_buffer->to_smarty_php();
}
//
// loop over template elements
//
// single template element
template ::= template_element(e). {
if (e != null) {
$this->current_buffer->append_subtree(e);
}
}
// loop of elements
template ::= template template_element(e). {
if (e != null) {
// because of possible code injection
$this->current_buffer->append_subtree(e);
}
}
// empty template
template ::= .
//
// template elements
//
// Smarty tag
template_element(res)::= smartytag(st) RDEL. {
if ($this->compiler->has_code) {
$tmp =''; foreach ($this->compiler->prefix_code as $code) {$tmp.=$code;} $this->compiler->prefix_code=array();
res = new _smarty_tag($this, $this->compiler->processNocacheCode($tmp.st,true));
} else {
res = null;
}
$this->compiler->has_variable_string = false;
$this->block_nesting_level = count($this->compiler->_tag_stack);
}
// comments
template_element(res)::= COMMENT(c). {
res = null;
}
// Literal
template_element(res) ::= literal(l). {
res = new _smarty_text($this, l);
}
// '<?php' | '<script language=php>' tag
template_element(res)::= PHPSTARTTAG(st). {
if (strpos(st, '<s') === 0) {
$this->lex->is_phpScript = true;
}
if ($this->php_handling == Smarty::PHP_PASSTHRU) {
if ($this->lex->is_phpScript) {
$s = addcslashes(st, "'");
res = new _smarty_text($this, $s);
} else {
res = new _smarty_text($this, st);
}
} elseif ($this->php_handling == Smarty::PHP_QUOTE) {
res = new _smarty_text($this, htmlspecialchars(st, ENT_QUOTES));
} elseif ($this->php_handling == Smarty::PHP_ALLOW) {
if (!($this->smarty instanceof SmartyBC)) {
$this->compiler->trigger_template_error (self::Err3);
}
res = new _smarty_tag($this, $this->compiler->processNocacheCode('<?php ', true));
} elseif ($this->php_handling == Smarty::PHP_REMOVE) {
res = null;
}
}
// '?>' tag
template_element(res)::= PHPENDTAG(st). {
if ($this->is_xml) {
$this->compiler->tag_nocache = true;
$this->is_xml = false;
$save = $this->template->has_nocache_code;
res = new _smarty_tag($this, $this->compiler->processNocacheCode("<?php echo '?>';?>\n", $this->compiler, true));
$this->template->has_nocache_code = $save;
} elseif ($this->php_handling == Smarty::PHP_PASSTHRU) {
res = new _smarty_text($this, st);
} elseif ($this->php_handling == Smarty::PHP_QUOTE) {
res = new _smarty_text($this, htmlspecialchars('?>', ENT_QUOTES));
} elseif ($this->php_handling == Smarty::PHP_ALLOW) {
res = new _smarty_tag($this, $this->compiler->processNocacheCode('?>', true));
} elseif ($this->php_handling == Smarty::PHP_REMOVE) {
res = null;
}
}
// '</script>' tag (only for PHP)
template_element(res)::= PHPENDSCRIPT(st). {
if (!$this->lex->is_phpScript) {
res = new _smarty_text($this, st);
} else {
$this->lex->is_phpScript = false;
if ($this->php_handling == Smarty::PHP_PASSTHRU) {
res = new _smarty_text($this, st);
} elseif ($this->php_handling == Smarty::PHP_QUOTE) {
res = new _smarty_text($this, htmlspecialchars(st, ENT_QUOTES));
} elseif ($this->php_handling == Smarty::PHP_ALLOW) {
res = new _smarty_tag($this, $this->compiler->processNocacheCode('?>', true));
} elseif ($this->php_handling == Smarty::PHP_REMOVE) {
res = null;
}
}
}
// '<%' tag
template_element(res)::= ASPSTARTTAG(st). {
if ($this->php_handling == Smarty::PHP_PASSTHRU) {
res = new _smarty_text($this, st);
} elseif ($this->php_handling == Smarty::PHP_QUOTE) {
res = new _smarty_text($this, htmlspecialchars(st, ENT_QUOTES));
} elseif ($this->php_handling == Smarty::PHP_ALLOW) {
if ($this->asp_tags) {
if (!($this->smarty instanceof SmartyBC)) {
$this->compiler->trigger_template_error (self::Err3);
}
res = new _smarty_tag($this, $this->compiler->processNocacheCode('<%', true));
} else {
res = new _smarty_text($this, st);
}
} elseif ($this->php_handling == Smarty::PHP_REMOVE) {
if ($this->asp_tags) {
res = null;
} else {
res = new _smarty_text($this, st);
}
}
}
// '%>' tag
template_element(res)::= ASPENDTAG(st). {
if ($this->php_handling == Smarty::PHP_PASSTHRU) {
res = new _smarty_text($this, st);
} elseif ($this->php_handling == Smarty::PHP_QUOTE) {
res = new _smarty_text($this, htmlspecialchars('%>', ENT_QUOTES));
} elseif ($this->php_handling == Smarty::PHP_ALLOW) {
if ($this->asp_tags) {
res = new _smarty_tag($this, $this->compiler->processNocacheCode('%>', true));
} else {
res = new _smarty_text($this, st);
}
} elseif ($this->php_handling == Smarty::PHP_REMOVE) {
if ($this->asp_tags) {
res = null;
} else {
res = new _smarty_text($this, st);
}
}
}
// XML tag
template_element(res)::= XMLTAG. {
$this->compiler->tag_nocache = true;
$this->is_xml = true;
$save = $this->template->has_nocache_code;
res = new _smarty_tag($this, $this->compiler->processNocacheCode("<?php echo '<?xml';?>", $this->compiler, true));
$this->template->has_nocache_code = $save;
}
// template text
template_element(res)::= TEXT(o). {
if ($this->strip) {
res = new _smarty_text($this, preg_replace('![\t ]*[\r\n]+[\t ]*!', '', o));
} else {
res = new _smarty_text($this, o);
}
}
// strip on
template_element ::= STRIPON(d). {
$this->strip = true;
}
// strip off
template_element ::= STRIPOFF(d). {
$this->strip = false;
}
// process source of inheritance child block
template_element ::= BLOCKSOURCE(s). {
if ($this->strip) {
SMARTY_INTERNAL_COMPILE_BLOCK::blockSource($this->compiler, preg_replace('![\t ]*[\r\n]+[\t ]*!', '', s));
} else {
SMARTY_INTERNAL_COMPILE_BLOCK::blockSource($this->compiler, s);
}
}
// Litteral
literal(res) ::= LITERALSTART LITERALEND. {
res = '';
}
literal(res) ::= LITERALSTART literal_elements(l) LITERALEND. {
res = l;
}
literal_elements(res) ::= literal_elements(l1) literal_element(l2). {
res = l1.l2;
}
literal_elements(res) ::= . {
res = '';
}
literal_element(res) ::= literal(l). {
res = l;
}
literal_element(res) ::= LITERAL(l). {
res = l;
}
//
// output tags start here
//
// output with optional attributes
smartytag(res) ::= LDEL value(e). {
res = $this->compiler->compileTag('private_print_expression',array(),array('value'=>e));
}
smartytag(res) ::= LDEL value(e) modifierlist(l) attributes(a). {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>e, 'modifierlist'=>l));
}
smartytag(res) ::= LDEL value(e) attributes(a). {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>e));
}
smartytag(res) ::= LDEL expr(e) modifierlist(l) attributes(a). {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>e,'modifierlist'=>l));
}
smartytag(res) ::= LDEL expr(e) attributes(a). {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>e));
}
//
// Smarty tags start here
//
// assign new style
smartytag(res) ::= LDEL DOLLAR ID(i) EQUAL value(e). {
res = $this->compiler->compileTag('assign',array(array('value'=>e),array('var'=>"'".i."'")));
}
smartytag(res) ::= LDEL DOLLAR ID(i) EQUAL expr(e). {
res = $this->compiler->compileTag('assign',array(array('value'=>e),array('var'=>"'".i."'")));
}
smartytag(res) ::= LDEL DOLLAR ID(i) EQUAL expr(e) attributes(a). {
res = $this->compiler->compileTag('assign',array_merge(array(array('value'=>e),array('var'=>"'".i."'")),a));
}
smartytag(res) ::= LDEL varindexed(vi) EQUAL expr(e) attributes(a). {
res = $this->compiler->compileTag('assign',array_merge(array(array('value'=>e),array('var'=>vi['var'])),a),array('smarty_internal_index'=>vi['smarty_internal_index']));
}
// tag with optional Smarty2 style attributes
smartytag(res) ::= LDEL ID(i) attributes(a). {
if (defined(i)) {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>i));
} else {
res = $this->compiler->compileTag(i,a);
}
}
smartytag(res) ::= LDEL ID(i). {
if (defined(i)) {
res = $this->compiler->compileTag('private_print_expression',array(),array('value'=>i));
} else {
res = $this->compiler->compileTag(i,array());
}
}
// tag with modifier and optional Smarty2 style attributes
smartytag(res) ::= LDEL ID(i) modifierlist(l)attributes(a). {
if (defined(i)) {
res = $this->compiler->compileTag('private_print_expression',a,array('value'=>i, 'modifierlist'=>l));
} else {
res = '<?php ob_start();?>'.$this->compiler->compileTag(i,a).'<?php echo ';
res .= $this->compiler->compileTag('private_modifier',array(),array('modifierlist'=>l,'value'=>'ob_get_clean()')).';?>';
}
}
// registered object tag
smartytag(res) ::= LDEL ID(i) PTR ID(m) attributes(a). {
res = $this->compiler->compileTag(i,a,array('object_method'=>m));
}
// registered object tag with modifiers
smartytag(res) ::= LDEL ID(i) PTR ID(me) modifierlist(l) attributes(a). {
res = '<?php ob_start();?>'.$this->compiler->compileTag(i,a,array('object_method'=>me)).'<?php echo ';
res .= $this->compiler->compileTag('private_modifier',array(),array('modifierlist'=>l,'value'=>'ob_get_clean()')).';?>';
}
// {if}, {elseif} and {while} tag
smartytag(res) ::= LDELIF(i) expr(ie). {
$tag = trim(substr(i,$this->lex->ldel_length));
res = $this->compiler->compileTag(($tag == 'else if')? 'elseif' : $tag,array(),array('if condition'=>ie));
}
smartytag(res) ::= LDELIF(i) expr(ie) attributes(a). {
$tag = trim(substr(i,$this->lex->ldel_length));
res = $this->compiler->compileTag(($tag == 'else if')? 'elseif' : $tag,a,array('if condition'=>ie));
}
smartytag(res) ::= LDELIF(i) statement(ie). {
$tag = trim(substr(i,$this->lex->ldel_length));
res = $this->compiler->compileTag(($tag == 'else if')? 'elseif' : $tag,array(),array('if condition'=>ie));
}
smartytag(res) ::= LDELIF(i) statement(ie) attributes(a). {
$tag = trim(substr(i,$this->lex->ldel_length));
res = $this->compiler->compileTag(($tag == 'else if')? 'elseif' : $tag,a,array('if condition'=>ie));
}
// {for} tag
smartytag(res) ::= LDELFOR statements(st) SEMICOLON optspace expr(ie) SEMICOLON optspace DOLLAR varvar(v2) foraction(e2) attributes(a). {
res = $this->compiler->compileTag('for',array_merge(a,array(array('start'=>st),array('ifexp'=>ie),array('var'=>v2),array('step'=>e2))),1);
}
foraction(res) ::= EQUAL expr(e). {
res = '='.e;
}
foraction(res) ::= INCDEC(e). {
res = e;
}
smartytag(res) ::= LDELFOR statement(st) TO expr(v) attributes(a). {
res = $this->compiler->compileTag('for',array_merge(a,array(array('start'=>st),array('to'=>v))),0);
}
smartytag(res) ::= LDELFOR statement(st) TO expr(v) STEP expr(v2) attributes(a). {
res = $this->compiler->compileTag('for',array_merge(a,array(array('start'=>st),array('to'=>v),array('step'=>v2))),0);
}
// {foreach} tag
smartytag(res) ::= LDELFOREACH attributes(a). {
res = $this->compiler->compileTag('foreach',a);
}
// {foreach $array as $var} tag
smartytag(res) ::= LDELFOREACH SPACE value(v1) AS DOLLAR varvar(v0) attributes(a). {
res = $this->compiler->compileTag('foreach',array_merge(a,array(array('from'=>v1),array('item'=>v0))));
}
smartytag(res) ::= LDELFOREACH SPACE value(v1) AS DOLLAR varvar(v2) APTR DOLLAR varvar(v0) attributes(a). {
res = $this->compiler->compileTag('foreach',array_merge(a,array(array('from'=>v1),array('item'=>v0),array('key'=>v2))));
}
smartytag(res) ::= LDELFOREACH SPACE expr(e) AS DOLLAR varvar(v0) attributes(a). {
res = $this->compiler->compileTag('foreach',array_merge(a,array(array('from'=>e),array('item'=>v0))));
}
smartytag(res) ::= LDELFOREACH SPACE expr(e) AS DOLLAR varvar(v1) APTR DOLLAR varvar(v0) attributes(a). {
res = $this->compiler->compileTag('foreach',array_merge(a,array(array('from'=>e),array('item'=>v0),array('key'=>v1))));
}
// {setfilter}
smartytag(res) ::= LDELSETFILTER ID(m) modparameters(p). {
res = $this->compiler->compileTag('setfilter',array(),array('modifier_list'=>array(array_merge(array(m),p))));
}
smartytag(res) ::= LDELSETFILTER ID(m) modparameters(p) modifierlist(l). {
res = $this->compiler->compileTag('setfilter',array(),array('modifier_list'=>array_merge(array(array_merge(array(m),p)),l)));
}
// {$smarty.block.child} or {$smarty.block.parent}
smartytag(res) ::= LDEL SMARTYBLOCKCHILDPARENT(i). {
$j = strrpos(i,'.');
if (i[$j+1] == 'c') {
// {$smarty.block.child}
res = SMARTY_INTERNAL_COMPILE_BLOCK::compileChildBlock($this->compiler);
} else {
// {$smarty.block.parent}
res = SMARTY_INTERNAL_COMPILE_BLOCK::compileParentBlock($this->compiler);
}
}
// end of block tag {/....}
smartytag(res) ::= LDELSLASH ID(i). {
res = $this->compiler->compileTag(i.'close',array());
}
smartytag(res) ::= LDELSLASH ID(i) modifierlist(l). {
res = $this->compiler->compileTag(i.'close',array(),array('modifier_list'=>l));
}
// end of block object tag {/....}
smartytag(res) ::= LDELSLASH ID(i) PTR ID(m). {
res = $this->compiler->compileTag(i.'close',array(),array('object_method'=>m));
}
smartytag(res) ::= LDELSLASH ID(i) PTR ID(m) modifierlist(l). {
res = $this->compiler->compileTag(i.'close',array(),array('object_method'=>m, 'modifier_list'=>l));
}
//
//Attributes of Smarty tags
//
// list of attributes
attributes(res) ::= attributes(a1) attribute(a2). {
res = a1;
res[] = a2;
}
// single attribute
attributes(res) ::= attribute(a). {
res = array(a);
}
// no attributes
attributes(res) ::= . {
res = array();
}
// attribute
attribute(res) ::= SPACE ID(v) EQUAL ID(id). {
if (preg_match('~^true$~i', id)) {
res = array(v=>'true');
} elseif (preg_match('~^false$~i', id)) {
res = array(v=>'false');
} elseif (preg_match('~^null$~i', id)) {
res = array(v=>'null');
} else {
res = array(v=>"'".id."'");
}
}
attribute(res) ::= ATTR(v) expr(e). {
res = array(trim(v," =\n\r\t")=>e);
}
attribute(res) ::= ATTR(v) value(e). {
res = array(trim(v," =\n\r\t")=>e);
}
attribute(res) ::= SPACE ID(v). {
res = "'".v."'";
}
attribute(res) ::= SPACE expr(e). {
res = e;
}
attribute(res) ::= SPACE value(v). {
res = v;
}
attribute(res) ::= SPACE INTEGER(i) EQUAL expr(e). {
res = array(i=>e);
}
//
// statement
//
statements(res) ::= statement(s). {
res = array(s);
}
statements(res) ::= statements(s1) COMMA statement(s). {
s1[]=s;
res = s1;
}
statement(res) ::= DOLLAR varvar(v) EQUAL expr(e). {
res = array('var' => v, 'value'=>e);
}
statement(res) ::= varindexed(vi) EQUAL expr(e). {
res = array('var' => vi, 'value'=>e);
}
statement(res) ::= OPENP statement(st) CLOSEP. {
res = st;
}
//
// expressions
//
// single value
expr(res) ::= value(v). {
res = v;
}
// ternary
expr(res) ::= ternary(v). {
res = v;
}
// resources/streams
expr(res) ::= DOLLAR ID(i) COLON ID(i2). {
res = '$_smarty_tpl->getStreamVariable(\''. i .'://'. i2 . '\')';
}
// arithmetic expression
expr(res) ::= expr(e) MATH(m) value(v). {
res = e . trim(m) . v;
}
expr(res) ::= expr(e) UNIMATH(m) value(v). {
res = e . trim(m) . v;
}
// bit operation
expr(res) ::= expr(e) ANDSYM(m) value(v). {
res = e . trim(m) . v;
}
// array
expr(res) ::= array(a). {
res = a;
}
// modifier
expr(res) ::= expr(e) modifierlist(l). {
res = $this->compiler->compileTag('private_modifier',array(),array('value'=>e,'modifierlist'=>l));
}
// if expression
// simple expression
expr(res) ::= expr(e1) ifcond(c) expr(e2). {
res = e1.c.e2;
}
expr(res) ::= expr(e1) ISIN array(a). {
res = 'in_array('.e1.','.a.')';
}
expr(res) ::= expr(e1) ISIN value(v). {
res = 'in_array('.e1.',(array)'.v.')';
}
expr(res) ::= expr(e1) lop(o) expr(e2). {
res = e1.o.e2;
}
expr(res) ::= expr(e1) ISDIVBY expr(e2). {
res = '!('.e1.' % '.e2.')';
}
expr(res) ::= expr(e1) ISNOTDIVBY expr(e2). {
res = '('.e1.' % '.e2.')';
}
expr(res) ::= expr(e1) ISEVEN. {
res = '!(1 & '.e1.')';
}
expr(res) ::= expr(e1) ISNOTEVEN. {
res = '(1 & '.e1.')';
}
expr(res) ::= expr(e1) ISEVENBY expr(e2). {
res = '!(1 & '.e1.' / '.e2.')';
}
expr(res) ::= expr(e1) ISNOTEVENBY expr(e2). {
res = '(1 & '.e1.' / '.e2.')';
}
expr(res) ::= expr(e1) ISODD. {
res = '(1 & '.e1.')';
}
expr(res) ::= expr(e1) ISNOTODD. {
res = '!(1 & '.e1.')';
}
expr(res) ::= expr(e1) ISODDBY expr(e2). {
res = '(1 & '.e1.' / '.e2.')';
}
expr(res) ::= expr(e1) ISNOTODDBY expr(e2). {
res = '!(1 & '.e1.' / '.e2.')';
}
expr(res) ::= variable(v1) INSTANCEOF(i) ns1(v2). {
// self::$prefix_number++;
// $this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.'='.v1.';? >';
// res = '$_tmp'.self::$prefix_number.i.v2;
res = v1.i.v2;
}
//
// ternary
//
ternary(res) ::= OPENP expr(v) CLOSEP QMARK DOLLAR ID(e1) COLON expr(e2). {
res = v.' ? '. $this->compileVariable("'".e1."'") . ' : '.e2;
}
ternary(res) ::= OPENP expr(v) CLOSEP QMARK expr(e1) COLON expr(e2). {
res = v.' ? '.e1.' : '.e2;
}
// value
value(res) ::= variable(v). {
res = v;
}
// +/- value
value(res) ::= UNIMATH(m) value(v). {
res = m.v;
}
// logical negation
value(res) ::= NOT value(v). {
res = '!'.v;
}
value(res) ::= TYPECAST(t) value(v). {
res = t.v;
}
value(res) ::= variable(v) INCDEC(o). {
res = v.o;
}
// numeric
value(res) ::= HEX(n). {
res = n;
}
value(res) ::= INTEGER(n). {
res = n;
}
value(res) ::= INTEGER(n1) DOT INTEGER(n2). {
res = n1.'.'.n2;
}
value(res) ::= INTEGER(n1) DOT. {
res = n1.'.';
}
value(res) ::= DOT INTEGER(n1). {
res = '.'.n1;
}
// ID, true, false, null
value(res) ::= ID(id). {
if (defined(id)) {
res = id;
} else {
res = "'".id."'";
}
}
// function call
value(res) ::= function(f). {
res = f;
}
// expression
value(res) ::= OPENP expr(e) CLOSEP. {
res = "(". e .")";
}
// singele quoted string
value(res) ::= SINGLEQUOTESTRING(t). {
res = t;
}
// double quoted string
value(res) ::= doublequoted_with_quotes(s). {
res = s;
}
value(res) ::= varindexed(vi) DOUBLECOLON static_class_access(r). {
self::$prefix_number++;
if (vi['var'] == '\'smarty\'') {
$this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.' = '. $this->compiler->compileTag('private_special_variable',array(),vi['smarty_internal_index']).';?>';
} else {
$this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.' = '. $this->compileVariable(vi['var']).vi['smarty_internal_index'].';?>';
}
res = '$_tmp'.self::$prefix_number.'::'.r;
}
// Smarty tag
value(res) ::= smartytag(st) RDEL. {
self::$prefix_number++;
$this->compiler->prefix_code[] = '<?php ob_start();?>'.st.'<?php $_tmp'.self::$prefix_number.'=ob_get_clean();?>';
res = '$_tmp'.self::$prefix_number;
}
value(res) ::= value(v) modifierlist(l). {
res = $this->compiler->compileTag('private_modifier',array(),array('value'=>v,'modifierlist'=>l));
}
// name space constant
value(res) ::= NAMESPACE(c). {
res = c;
}
// static class access
value(res) ::= ns1(c)DOUBLECOLON static_class_access(s). {
if (!$this->security || isset($this->smarty->registered_classes[c]) || $this->smarty->security_policy->isTrustedStaticClass(c, $this->compiler)) {
if (isset($this->smarty->registered_classes[c])) {
res = $this->smarty->registered_classes[c].'::'.s;
} else {
res = c.'::'.s;
}
} else {
$this->compiler->error ("static class '".c."' is undefined or not allowed by security setting");
}
}
//
// namespace stuff
//
ns1(res) ::= ID(i). {
res = i;
}
ns1(res) ::= NAMESPACE(i). {
res = i;
}
ns1(res) ::= variable(v). {
res = v;
}
//
// variables
//
// Smarty variable (optional array)
variable(res) ::= varindexed(vi). {
if (vi['var'] == '\'smarty\'') {
$smarty_var = $this->compiler->compileTag('private_special_variable',array(),vi['smarty_internal_index']);
res = $smarty_var;
} else {
// used for array reset,next,prev,end,current
$this->last_variable = vi['var'];
$this->last_index = vi['smarty_internal_index'];
res = $this->compileVariable(vi['var']).vi['smarty_internal_index'];
}
}
// variable with property
variable(res) ::= DOLLAR varvar(v) AT ID(p). {
res = '$_smarty_tpl->tpl_vars['. v .']->'.p;
}
// object
variable(res) ::= object(o). {
res = o;
}
// config variable
variable(res) ::= HATCH ID(i) HATCH. {
res = '$_smarty_tpl->getConfigVariable( \''. i .'\')';
}
variable(res) ::= HATCH ID(i) HATCH arrayindex(a). {
res = '(is_array($tmp = $_smarty_tpl->getConfigVariable( \''. i .'\')) ? $tmp'.a.' :null)';
}
variable(res) ::= HATCH variable(v) HATCH. {
res = '$_smarty_tpl->getConfigVariable( '. v .')';
}
variable(res) ::= HATCH variable(v) HATCH arrayindex(a). {
res = '(is_array($tmp = $_smarty_tpl->getConfigVariable( '. v .')) ? $tmp'.a.' : null)';
}
varindexed(res) ::= DOLLAR varvar(v) arrayindex(a). {
res = array('var'=>v, 'smarty_internal_index'=>a);
}
//
// array index
//
// multiple array index
arrayindex(res) ::= arrayindex(a1) indexdef(a2). {
res = a1.a2;
}
// no array index
arrayindex ::= . {
return;
}
// single index definition
// Smarty2 style index
indexdef(res) ::= DOT DOLLAR varvar(v). {
res = '['.$this->compileVariable(v).']';
}
indexdef(res) ::= DOT DOLLAR varvar(v) AT ID(p). {
res = '['.$this->compileVariable(v).'->'.p.']';
}
indexdef(res) ::= DOT ID(i). {
if (defined(i)) {
res = "[". i ."]";
} else {
res = "['". i ."']";
}
}
indexdef(res) ::= DOT INTEGER(n). {
res = "[". n ."]";
}
indexdef(res) ::= DOT LDEL expr(e) RDEL. {
res = "[". e ."]";
}
// section tag index
indexdef(res) ::= OPENB ID(i)CLOSEB. {
res = '['.$this->compiler->compileTag('private_special_variable',array(),'[\'section\'][\''.i.'\'][\'index\']').']';
}
indexdef(res) ::= OPENB ID(i) DOT ID(i2) CLOSEB. {
res = '['.$this->compiler->compileTag('private_special_variable',array(),'[\'section\'][\''.i.'\'][\''.i2.'\']').']';
}
// PHP style index
indexdef(res) ::= OPENB expr(e) CLOSEB. {
res = "[". e ."]";
}
// f<>r assign append array
indexdef(res) ::= OPENB CLOSEB. {
res = '[]';
}
//
// variable variable names
//
// singel identifier element
varvar(res) ::= varvarele(v). {
res = v;
}
// sequence of identifier elements
varvar(res) ::= varvar(v1) varvarele(v2). {
res = v1.'.'.v2;
}
// fix sections of element
varvarele(res) ::= ID(s). {
res = '\''.s.'\'';
}
// variable sections of element
varvarele(res) ::= LDEL expr(e) RDEL. {
res = '('.e.')';
}
//
// objects
//
object(res) ::= varindexed(vi) objectchain(oc). {
if (vi['var'] == '\'smarty\'') {
res = $this->compiler->compileTag('private_special_variable',array(),vi['smarty_internal_index']).oc;
} else {
res = $this->compileVariable(vi['var']).vi['smarty_internal_index'].oc;
}
}
// single element
objectchain(res) ::= objectelement(oe). {
res = oe;
}
// chain of elements
objectchain(res) ::= objectchain(oc) objectelement(oe). {
res = oc.oe;
}
// variable
objectelement(res)::= PTR ID(i) arrayindex(a). {
if ($this->security && substr(i,0,1) == '_') {
$this->compiler->trigger_template_error (self::Err1);
}
res = '->'.i.a;
}
objectelement(res)::= PTR DOLLAR varvar(v) arrayindex(a). {
if ($this->security) {
$this->compiler->trigger_template_error (self::Err2);
}
res = '->{'.$this->compileVariable(v).a.'}';
}
objectelement(res)::= PTR LDEL expr(e) RDEL arrayindex(a). {
if ($this->security) {
$this->compiler->trigger_template_error (self::Err2);
}
res = '->{'.e.a.'}';
}
objectelement(res)::= PTR ID(ii) LDEL expr(e) RDEL arrayindex(a). {
if ($this->security) {
$this->compiler->trigger_template_error (self::Err2);
}
res = '->{\''.ii.'\'.'.e.a.'}';
}
// method
objectelement(res)::= PTR method(f). {
res = '->'.f;
}
//
// function
//
function(res) ::= ns1(f) OPENP params(p) CLOSEP. {
if (!$this->security || $this->smarty->security_policy->isTrustedPhpFunction(f, $this->compiler)) {
if (strcasecmp(f,'isset') === 0 || strcasecmp(f,'empty') === 0 || strcasecmp(f,'array') === 0 || is_callable(f)) {
$func_name = strtolower(f);
if ($func_name == 'isset') {
if (count(p) == 0) {
$this->compiler->trigger_template_error ('Illegal number of paramer in "isset()"');
}
$par = implode(',',p);
if (strncasecmp($par,'$_smarty_tpl->getConfigVariable',strlen('$_smarty_tpl->getConfigVariable')) === 0) {
self::$prefix_number++;
$this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.'='.str_replace(')',', false)',$par).';?>';
$isset_par = '$_tmp'.self::$prefix_number;
} else {
$isset_par=str_replace("')->value","',null,true,false)->value",$par);
}
res = f . "(". $isset_par .")";
} elseif (in_array($func_name,array('empty','reset','current','end','prev','next'))){
if (count(p) != 1) {
$this->compiler->trigger_template_error ('Illegal number of paramer in "empty()"');
}
if ($func_name == 'empty') {
res = $func_name.'('.str_replace("')->value","',null,true,false)->value",p[0]).')';
} else {
res = $func_name.'('.p[0].')';
}
} else {
res = f . "(". implode(',',p) .")";
}
} else {
$this->compiler->trigger_template_error ("unknown function \"" . f . "\"");
}
}
}
//
// method
//
method(res) ::= ID(f) OPENP params(p) CLOSEP. {
if ($this->security && substr(f,0,1) == '_') {
$this->compiler->trigger_template_error (self::Err1);
}
res = f . "(". implode(',',p) .")";
}
method(res) ::= DOLLAR ID(f) OPENP params(p) CLOSEP. {
if ($this->security) {
$this->compiler->trigger_template_error (self::Err2);
}
self::$prefix_number++;
$this->compiler->prefix_code[] = '<?php $_tmp'.self::$prefix_number.'='.$this->compileVariable("'".f."'").';?>';
res = '$_tmp'.self::$prefix_number.'('. implode(',',p) .')';
}
// function/method parameter
// multiple parameters
params(res) ::= params(p) COMMA expr(e). {
res = array_merge(p,array(e));
}
// single parameter
params(res) ::= expr(e). {
res = array(e);
}
// kein parameter
params(res) ::= . {
res = array();
}
//
// modifier
//
modifierlist(res) ::= modifierlist(l) modifier(m) modparameters(p). {
res = array_merge(l,array(array_merge(m,p)));
}
modifierlist(res) ::= modifier(m) modparameters(p). {
res = array(array_merge(m,p));
}
modifier(res) ::= VERT AT ID(m). {
res = array(m);
}
modifier(res) ::= VERT ID(m). {
res = array(m);
}
//
// modifier parameter
//
// multiple parameter
modparameters(res) ::= modparameters(mps) modparameter(mp). {
res = array_merge(mps,mp);
}
// no parameter
modparameters(res) ::= . {
res = array();
}
// parameter expression
modparameter(res) ::= COLON value(mp). {
res = array(mp);
}
modparameter(res) ::= COLON array(mp). {
res = array(mp);
}
// static class methode call
static_class_access(res) ::= method(m). {
res = m;
}
// static class methode call with object chainig
static_class_access(res) ::= method(m) objectchain(oc). {
res = m.oc;
}
// static class constant
static_class_access(res) ::= ID(v). {
res = v;
}
// static class variables
static_class_access(res) ::= DOLLAR ID(v) arrayindex(a). {
res = '$'.v.a;
}
// static class variables with object chain
static_class_access(res) ::= DOLLAR ID(v) arrayindex(a) objectchain(oc). {
res = '$'.v.a.oc;
}
// if conditions and operators
ifcond(res) ::= EQUALS. {
res = '==';
}
ifcond(res) ::= NOTEQUALS. {
res = '!=';
}
ifcond(res) ::= GREATERTHAN. {
res = '>';
}
ifcond(res) ::= LESSTHAN. {
res = '<';
}
ifcond(res) ::= GREATEREQUAL. {
res = '>=';
}
ifcond(res) ::= LESSEQUAL. {
res = '<=';
}
ifcond(res) ::= IDENTITY. {
res = '===';
}
ifcond(res) ::= NONEIDENTITY. {
res = '!==';
}
ifcond(res) ::= MOD. {
res = '%';
}
lop(res) ::= LAND. {
res = '&&';
}
lop(res) ::= LOR. {
res = '||';
}
lop(res) ::= LXOR. {
res = ' XOR ';
}
//
// ARRAY element assignment
//
array(res) ::= OPENB arrayelements(a) CLOSEB. {
res = 'array('.a.')';
}
arrayelements(res) ::= arrayelement(a). {
res = a;
}
arrayelements(res) ::= arrayelements(a1) COMMA arrayelement(a). {
res = a1.','.a;
}
arrayelements ::= . {
return;
}
arrayelement(res) ::= value(e1) APTR expr(e2). {
res = e1.'=>'.e2;
}
arrayelement(res) ::= ID(i) APTR expr(e2). {
res = '\''.i.'\'=>'.e2;
}
arrayelement(res) ::= expr(e). {
res = e;
}
//
// double qouted strings
//
doublequoted_with_quotes(res) ::= QUOTE QUOTE. {
res = "''";
}
doublequoted_with_quotes(res) ::= QUOTE doublequoted(s) QUOTE. {
res = s->to_smarty_php();
}
doublequoted(res) ::= doublequoted(o1) doublequotedcontent(o2). {
o1->append_subtree(o2);
res = o1;
}
doublequoted(res) ::= doublequotedcontent(o). {
res = new _smarty_doublequoted($this, o);
}
doublequotedcontent(res) ::= BACKTICK variable(v) BACKTICK. {
res = new _smarty_code($this, '(string)'.v);
}
doublequotedcontent(res) ::= BACKTICK expr(e) BACKTICK. {
res = new _smarty_code($this, '(string)'.e);
}
doublequotedcontent(res) ::= DOLLARID(i). {
res = new _smarty_code($this, '(string)$_smarty_tpl->tpl_vars[\''. substr(i,1) .'\']->value');
}
doublequotedcontent(res) ::= LDEL variable(v) RDEL. {
res = new _smarty_code($this, '(string)'.v);
}
doublequotedcontent(res) ::= LDEL expr(e) RDEL. {
res = new _smarty_code($this, '(string)('.e.')');
}
doublequotedcontent(res) ::= smartytag(st) RDEL. {
res = new _smarty_tag($this, st);
}
doublequotedcontent(res) ::= TEXT(o). {
res = new _smarty_dq_content($this, o);
}
//
// optional space
//
optspace(res) ::= SPACE(s). {
res = s;
}
optspace(res) ::= . {
res = '';
}
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