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added explanation for $this->_num_const_regexp

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messju
2004-04-16 08:50:27 +00:00
parent 20b4be1048
commit 984d2f36e6
1 changed files with 7 additions and 3 deletions
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10
libs/Smarty_Compiler.class.php
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@@ -97,6 +97,12 @@ class Smarty_Compiler extends Smarty {
// [$bar] // [$bar]
$this->_var_bracket_regexp = '\[\$?[\w\.]+\]'; $this->_var_bracket_regexp = '\[\$?[\w\.]+\]';
// matches numerical constants
// 30
// -12
// 13.22
$this->_num_const_regexp = '\-?\d+(?:\.\d+)?';
// matches $ vars (not objects): // matches $ vars (not objects):
// $foo // $foo
// $foo.bar // $foo.bar
@@ -105,12 +111,10 @@ class Smarty_Compiler extends Smarty {
// $foo[$bar] // $foo[$bar]
// $foo[5][blah] // $foo[5][blah]
// $foo[5].bar[$foobar][4] // $foo[5].bar[$foobar][4]
$this->_num_const_regexp = '\-?\d+(?:\.\d+)?';
$this->_dvar_math_regexp = '[\+\-\*\/\%]'; $this->_dvar_math_regexp = '[\+\-\*\/\%]';
$this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]'; $this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]';
$this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp $this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp
. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:\-?\d+(?:\.\d+)?|' . $this->_dvar_math_var_regexp . ')*)?'; . ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?';
$this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; $this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp;
// matches config vars: // matches config vars: