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support full var syntax in quoted text, fix problem with const var access, clean up some more regex code, fix object problem with no properties

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mohrt
2003-02-10 17:46:58 +00:00
parent fe36a30c4d
commit 8e99c61ce5
3 changed files with 63 additions and 30 deletions
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3
NEWS
View File

@@ -1,3 +1,6 @@
- support full dollar var syntax in quoted text (Monte)
- fixed bug in $smarty.const.FOO introduced in 2.4.1 (Monte)
Version 2.4.1
-------------

35
Smarty_Compiler.class.php
View File

@@ -55,6 +55,7 @@ class Smarty_Compiler extends Smarty {
var $_si_qstr_regexp = null;
var $_qstr_regexp = null;
var $_func_regexp = null;
var $_var_bracket_regexp = null;
var $_dvar_guts_regexp = null;
var $_dvar_regexp = null;
var $_cvar_regexp = null;
@@ -64,6 +65,9 @@ class Smarty_Compiler extends Smarty {
var $_var_regexp = null;
var $_parenth_param_regexp = null;
var $_func_call_regexp = null;
var $_obj_ext_regexp = null;
var $_obj_start_regexp = null;
var $_obj_params_regexp = null;
var $_obj_call_regexp = null;
/**
@@ -86,6 +90,12 @@ class Smarty_Compiler extends Smarty {
// matches single or double quoted strings
$this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')';
// matches bracket portion of vars
// [0]
// [foo]
// [$bar]
$this->_var_bracket_regexp = '\[\$?[\w\.]+\]';
// matches $ vars (not objects):
// $foo
// $foo.bar
@@ -94,7 +104,8 @@ class Smarty_Compiler extends Smarty {
// $foo[$bar]
// $foo[5][blah]
// $foo[5].bar[$foobar][4]
$this->_dvar_guts_regexp = '\w+(?:\[\$?[\w\.]+\])*(?:\.\$?\w+(?:\[\$?[\w\.]+\])*)*';
$this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp
. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*';
$this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp;
// matches config vars:
@@ -138,10 +149,12 @@ class Smarty_Compiler extends Smarty {
// $foo->bar($foo|bar, "foo"|bar)
// $foo->bar->foo()
// $foo->bar->foo->bar()
$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:\->' . $this->_dvar_guts_regexp . ')+)';
$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:\((?:\w+|'
$this->_obj_ext_regexp = '\->(?:\w+|' . $this->_dvar_regexp . ')';
$this->_obj_params_regexp = '\((?:\w+|'
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*)(?:\s*,\s*(?:(?:\w+|'
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*))))*)?\))?)';
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*))))*)?\)';
$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?)';
// matches valid function name:
// foo123
@@ -690,7 +703,7 @@ class Smarty_Compiler extends Smarty {
}
}
if(!$this->_reg_objects[$object][0]) {
if(!is_object($this->_reg_objects[$object][0])) {
$this->_trigger_fatal_error("registered '$object' is not an object");
} elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) {
$this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'");
@@ -1446,7 +1459,7 @@ class Smarty_Compiler extends Smarty {
function _expand_quoted_text($var_expr)
{
// if contains unescaped $, expand it
if(preg_match_all('|(?<!\\\\)\$\w+|', $var_expr, $match)) {
if(preg_match_all('|(?<!\\\\)\$' . $this->_dvar_guts_regexp . '|', $var_expr, $match)) {
rsort($match[0]);
reset($match[0]);
foreach($match[0] as $var) {
@@ -1478,7 +1491,7 @@ class Smarty_Compiler extends Smarty {
}
// get [foo] and .foo and ->foo() pieces
preg_match_all('!(^\w+)|(?:\[\$?[\w\.]+\])|\.\$?\w+|(?:->\w+)+(?:\([^\)]*\))?!', $var_ref, $match);
preg_match_all('!(?:^\w+)|(?:' . $this->_obj_ext_regexp . ')+(?:' . $this->_obj_params_regexp . ')?|(?:' . $this->_var_bracket_regexp . ')|\.\$?\w+!', $var_ref, $match);
$indexes = $match[0];
$var_name = array_shift($indexes);
@@ -1520,11 +1533,13 @@ class Smarty_Compiler extends Smarty {
else
$output .= "['" . substr($index, 1) . "']";
} else if (substr($index,0,2) == '->') {
if($this->security && substr($index,2,1) == '_') {
if(substr($index,2,2) == '__') {
$this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__);
} elseif($this->security && substr($index,2,1) == '_') {
$this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__);
} else {
// parse each parameter to the object
if(preg_match('!(?:\->\w+)+(?:(' . $this->_parenth_param_regexp . '))?!', $index, $match)) {
if(preg_match('!(?:' . $this->_obj_ext_regexp . ')+(?:(' . $this->_obj_params_regexp . '))?!', $index, $match)) {
$index = str_replace($match[1], $this->_parse_parenth_args($match[1]), $index);
}
$output .= $index;
@@ -1774,7 +1789,7 @@ class Smarty_Compiler extends Smarty {
case 'const':
array_shift($indexes);
$compiled_ref = 'defined(' . substr($indexes[0],1) . ') ? ' . substr($indexes[0],1) . ' : null';
$compiled_ref = 'defined(\'' . substr($indexes[0],1) . '\') ? ' . substr($indexes[0],1) . ' : null';
break;
default:

35
libs/Smarty_Compiler.class.php
View File

@@ -55,6 +55,7 @@ class Smarty_Compiler extends Smarty {
var $_si_qstr_regexp = null;
var $_qstr_regexp = null;
var $_func_regexp = null;
var $_var_bracket_regexp = null;
var $_dvar_guts_regexp = null;
var $_dvar_regexp = null;
var $_cvar_regexp = null;
@@ -64,6 +65,9 @@ class Smarty_Compiler extends Smarty {
var $_var_regexp = null;
var $_parenth_param_regexp = null;
var $_func_call_regexp = null;
var $_obj_ext_regexp = null;
var $_obj_start_regexp = null;
var $_obj_params_regexp = null;
var $_obj_call_regexp = null;
/**
@@ -86,6 +90,12 @@ class Smarty_Compiler extends Smarty {
// matches single or double quoted strings
$this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')';
// matches bracket portion of vars
// [0]
// [foo]
// [$bar]
$this->_var_bracket_regexp = '\[\$?[\w\.]+\]';
// matches $ vars (not objects):
// $foo
// $foo.bar
@@ -94,7 +104,8 @@ class Smarty_Compiler extends Smarty {
// $foo[$bar]
// $foo[5][blah]
// $foo[5].bar[$foobar][4]
$this->_dvar_guts_regexp = '\w+(?:\[\$?[\w\.]+\])*(?:\.\$?\w+(?:\[\$?[\w\.]+\])*)*';
$this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp
. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*';
$this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp;
// matches config vars:
@@ -138,10 +149,12 @@ class Smarty_Compiler extends Smarty {
// $foo->bar($foo|bar, "foo"|bar)
// $foo->bar->foo()
// $foo->bar->foo->bar()
$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:\->' . $this->_dvar_guts_regexp . ')+)';
$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:\((?:\w+|'
$this->_obj_ext_regexp = '\->(?:\w+|' . $this->_dvar_regexp . ')';
$this->_obj_params_regexp = '\((?:\w+|'
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*)(?:\s*,\s*(?:(?:\w+|'
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*))))*)?\))?)';
. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*))))*)?\)';
$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)';
$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?)';
// matches valid function name:
// foo123
@@ -690,7 +703,7 @@ class Smarty_Compiler extends Smarty {
}
}
if(!$this->_reg_objects[$object][0]) {
if(!is_object($this->_reg_objects[$object][0])) {
$this->_trigger_fatal_error("registered '$object' is not an object");
} elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) {
$this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'");
@@ -1446,7 +1459,7 @@ class Smarty_Compiler extends Smarty {
function _expand_quoted_text($var_expr)
{
// if contains unescaped $, expand it
if(preg_match_all('|(?<!\\\\)\$\w+|', $var_expr, $match)) {
if(preg_match_all('|(?<!\\\\)\$' . $this->_dvar_guts_regexp . '|', $var_expr, $match)) {
rsort($match[0]);
reset($match[0]);
foreach($match[0] as $var) {
@@ -1478,7 +1491,7 @@ class Smarty_Compiler extends Smarty {
}
// get [foo] and .foo and ->foo() pieces
preg_match_all('!(^\w+)|(?:\[\$?[\w\.]+\])|\.\$?\w+|(?:->\w+)+(?:\([^\)]*\))?!', $var_ref, $match);
preg_match_all('!(?:^\w+)|(?:' . $this->_obj_ext_regexp . ')+(?:' . $this->_obj_params_regexp . ')?|(?:' . $this->_var_bracket_regexp . ')|\.\$?\w+!', $var_ref, $match);
$indexes = $match[0];
$var_name = array_shift($indexes);
@@ -1520,11 +1533,13 @@ class Smarty_Compiler extends Smarty {
else
$output .= "['" . substr($index, 1) . "']";
} else if (substr($index,0,2) == '->') {
if($this->security && substr($index,2,1) == '_') {
if(substr($index,2,2) == '__') {
$this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__);
} elseif($this->security && substr($index,2,1) == '_') {
$this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__);
} else {
// parse each parameter to the object
if(preg_match('!(?:\->\w+)+(?:(' . $this->_parenth_param_regexp . '))?!', $index, $match)) {
if(preg_match('!(?:' . $this->_obj_ext_regexp . ')+(?:(' . $this->_obj_params_regexp . '))?!', $index, $match)) {
$index = str_replace($match[1], $this->_parse_parenth_args($match[1]), $index);
}
$output .= $index;
@@ -1774,7 +1789,7 @@ class Smarty_Compiler extends Smarty {
case 'const':
array_shift($indexes);
$compiled_ref = 'defined(' . substr($indexes[0],1) . ') ? ' . substr($indexes[0],1) . ' : null';
$compiled_ref = 'defined(\'' . substr($indexes[0],1) . '\') ? ' . substr($indexes[0],1) . ' : null';
break;
default: