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test adding isset() calls to if expressions. :o

git-svn-id: file:///svn/phpbb/trunk@8042 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen 2007-08-17 20:47:50 +00:00
parent aecc7c9178
commit b29d76b558

View File

@ -526,7 +526,60 @@ class template_compile
}
}
return (($elseif) ? '} else if (' : 'if (') . (implode(' ', $tokens) . ') { ');
// Try to combine some tokens...
$new_tokens = array();
$j = 0;
for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
{
$token = &$tokens[$i];
if ($token != '&&' && $token != '||')
{
$new_tokens[$j][] = $token;
continue;
}
$this->_merge_tokens(' ', $new_tokens[$j]);
$new_tokens[$j++] .= $token;
}
if (!sizeof($new_tokens))
{
$new_tokens[$j] = &$tokens;
}
if (isset($new_tokens[$j]) && is_array($new_tokens[$j]))
{
$this->_merge_tokens('', $new_tokens[$j]);
}
return (($elseif) ? '} else if (' : 'if (') . (implode(' ', $new_tokens) . ') { ');
}
/**
* Merge tokens from IF expression, correctly adding isset() calls.
* @access private
*/
function _merge_tokens($suffix, &$tokens)
{
for ($i = 0, $size = sizeof($tokens); $i < $size; $i++)
{
$token = &$tokens[$i];
if (strpos($token, '$this') === 0)
{
$token = '(isset(' . $token . ') && ' . $token;
$suffix = ')' . $suffix;
}
else if (strpos($token, 'sizeof(') === 0)
{
$token = '(isset(' . substr($token, 7, -1) . ') && ' . $token;
$suffix = ')' . $suffix;
}
}
$tokens = implode(' ', $tokens) . $suffix;
}
/**
@ -627,11 +680,11 @@ class template_compile
{
$expr_end++;
$expr_arg = $tokens[$expr_end++];
$expr = "!(($is_arg / $expr_arg) % $expr_arg)";
$expr = "!(isset($is_arg) && ($is_arg / $expr_arg) % $expr_arg)";
}
else
{
$expr = "!($is_arg & 1)";
$expr = "!(isset($is_arg) && $is_arg & 1)";
}
break;
@ -640,11 +693,11 @@ class template_compile
{
$expr_end++;
$expr_arg = $tokens[$expr_end++];
$expr = "(($is_arg / $expr_arg) % $expr_arg)";
$expr = "(isset($is_arg) && ($is_arg / $expr_arg) % $expr_arg)";
}
else
{
$expr = "($is_arg & 1)";
$expr = "(isset($is_arg) && $is_arg & 1)";
}
break;
@ -653,7 +706,7 @@ class template_compile
{
$expr_end++;
$expr_arg = $tokens[$expr_end++];
$expr = "!($is_arg % $expr_arg)";
$expr = "!(isset($is_arg) && $is_arg % $expr_arg)";
}
break;
}