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Minor refactor of SS_ConfigStaticManifest_Parser::parse() (#5782)

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This commit is contained in:
Loz Calver 2016-07-07 12:14:54 +01:00 committed by Daniel Hensby
parent 8a21d53a07
commit 21cf67f1b4
1 changed files with 21 additions and 7 deletions
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28
core/manifest/ConfigStaticManifest.php
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@ -198,6 +198,25 @@ class SS_ConfigStaticManifest_Parser {
return $next;
}
/**
* Get the previous token processed. Does *not* decrement the pointer
*
* @param bool $ignoreWhitespace - if true will skip any whitespace tokens & only return non-whitespace ones
* @return null | mixed - Either the previous token or null if there isn't one
*/
protected function lastToken($ignoreWhitespace = true) {
// Subtract 1 as the pointer is always 1 place ahead of the current token
$pos = $this->pos - 1;
do {
if($pos <= 0) return null;
$pos--;
$prev = $this->tokens[$pos];
}
while($ignoreWhitespace && is_array($prev) && $prev[0] == T_WHITESPACE);
return $prev;
}
/**
* Get the next set of tokens that form a string to process,
* incrementing the pointer
@ -242,15 +261,10 @@ class SS_ConfigStaticManifest_Parser {
$type = ($token === (array)$token) ? $token[0] : $token;
if($type == T_CLASS) {
// Fetch the last token
$pos = $this->pos - 1; // Subtract 1 as the pointer is always 1 place ahead of the current token
do {
$pos--;
$prev = $this->tokens[$pos];
} while ($pos > 0 && is_array($prev) && $prev[0] == T_WHITESPACE);
$lastToken = $this->lastToken();
$lastType = ($lastToken === (array)$lastToken) ? $lastToken[0] : $lastToken;
// Ignore class keyword if it's being used for class name resolution: ClassName::class
$lastType = ($prev === (array)$prev) ? $prev[0] : $prev;
if ($lastType === T_PAAMAYIM_NEKUDOTAYIM) {
continue;
}