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add math patch to core

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mohrt
2003-06-17 21:54:55 +00:00
parent 992ce6c94b
commit 0179b76ca7
2 changed files with 79 additions and 6 deletions
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1
NEWS
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@@ -1,3 +1,4 @@
- add math speedup to core (Wom.bat, Monte)
- fix newlines for tags without template output (Monte)
- added config-option "request_use_auto_globals" to make auto-globals be
used as request vars instead of HTTP_*_VARS (messju)

76
libs/Smarty_Compiler.class.php
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@@ -112,8 +112,11 @@ class Smarty_Compiler extends Smarty {
// $foo[$bar]
// $foo[5][blah]
// $foo[5].bar[$foobar][4]
$this->_dvar_math_regexp = '[\+\-\*\/\%]';
$this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\|\:\>\[\]]';
$this->_dvar_num_var_regexp = '\-?\d+(?:\.\d+)?'.$this->_dvar_math_var_regexp;
$this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp
. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:[\+\-\*\/\%]\-?\d+(?:\.\d+)?)?';
. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:\-?\d+(?:\.\d+)?|' . $this->_dvar_math_var_regexp . '*))?';
$this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp;
// matches config vars:
@@ -1506,11 +1509,71 @@ class Smarty_Compiler extends Smarty {
// inform the calling expression the return type (php, static)
$this->_output_type = 'php';
preg_match('!(' . $this->_obj_call_regexp . '|' . $this->_var_regexp . ')(' . $this->_mod_regexp . '*)$!', $var_expr, $match);
$math_vars = preg_split('!('.$this->_dvar_math_regexp.'|\".*?\")!', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE);
if(count($math_vars) > 1)
{
$output = "";
$complete_var = "";
// simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter)
$hasMath = false;
foreach($math_vars as $k => $math_var)
{
$math_var = $math_vars[$k];
if(!empty($math_var))
{
// hit a math operator, so process the stuff which came before it
if(preg_match('!^'.$this->_dvar_math_regexp.'$!', $math_var))
{
$hasMath = true;
if(!empty($complete_var))
{
$output .= $this->_parse_var($complete_var);
}
// just output the math operator to php
$output .= $math_var;
$complete_var = "";
}
else
{
// fetch multiple -> (like $foo->bar->baz ) which wouldn't get fetched else, because it would only get $foo->bar and treat the ->baz as "-" ">baz" then
for($i = $k + 1; $i <= count($math_vars); $i += 2)
{
// fetch -> because it gets splitted at - and move it back together
if( /* prevent notice */ (isset($math_vars[$i]) && isset($math_vars[$i+1])) && ($math_vars[$i] === '-' && $math_vars[$i+1]{0} === '>'))
{
$math_var .= $math_vars[$i].$math_vars[$i+1];
$math_vars[$i] = $math_vars[$i+1] = "";
}
else
break;
}
$complete_var .= $math_var;
}
}
}
if($hasMath)
{
if(!empty($complete_var))
$output .= $this->_parse_var($complete_var);
return $output;
}
}
preg_match('!(' . $this->_dvar_num_var_regexp . '*|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . ')(' . $this->_mod_regexp . '*)$!', $var_expr, $match);
// prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit)
if(!is_numeric($match[1]{0}))
$_var_ref = substr($match[1],1);
else
$_var_ref = $match[1];
$modifiers = $match[2];
if(!empty($this->default_modifiers) && !preg_match('!(^|\|)smarty:nodefaults($|\|)!',$modifiers)) {
$_default_mod_string = implode('|',(array)$this->default_modifiers);
$modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers;
@@ -1535,6 +1598,14 @@ class Smarty_Compiler extends Smarty {
$_var_name = substr(array_shift($_indexes), 1);
$_output = "\$this->_smarty_vars['$_var_name']";
}
} elseif(is_numeric($_var_name) && is_numeric($var_expr{0})) {
// because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers
if(count($_indexes) > 0)
{
$_var_name .= implode("", $_indexes);
$_indexes = array();
}
$_output = $_var_name;
} else {
$_output = "\$this->_tpl_vars['$_var_name']";
}
@@ -1689,6 +1760,7 @@ class Smarty_Compiler extends Smarty {
}
}
/**
* add plugin
*