Merge "Rewrite private Cite::refArg for readability"

This commit is contained in:
jenkins-bot 2018-12-11 18:43:49 +00:00 committed by Gerrit Code Review
commit b9783b1d17

View file

@ -395,16 +395,16 @@ class Cite {
* "dir" : set direction of text (ltr/rtl)
*
* @param string[] $argv The argument vector
* @return mixed false on invalid input, a string on valid
* input and null on no input
* @return (string|false|null)[] An array with exactly four elements, where each is a string on
* valid input, false on invalid input, or null on no input.
* @return-taint tainted
*/
private function refArg( array $argv ) {
$cnt = count( $argv );
$group = null;
$key = null;
$follow = null;
$dir = null;
if ( isset( $argv['dir'] ) ) {
// compare the dir attribute value against an explicit whitelist.
$dir = '';
@ -414,45 +414,45 @@ class Cite {
}
unset( $argv['dir'] );
--$cnt;
}
if ( $cnt > 2 ) {
if ( $argv === [] ) {
// No key
return [ null, null, false, $dir ];
}
if ( count( $argv ) > 2 ) {
// There should only be one key or follow parameter, and one group parameter
// FIXME : this looks inconsistent, it should probably return a tuple
return false;
} elseif ( $cnt >= 1 ) {
if ( isset( $argv['name'] ) && isset( $argv['follow'] ) ) {
return [ false, false, false, false ];
}
if ( isset( $argv['name'] ) ) {
// Key given.
$key = trim( $argv['name'] );
unset( $argv['name'] );
--$cnt;
}
if ( isset( $argv['follow'] ) ) {
// Follow given.
$follow = trim( $argv['follow'] );
unset( $argv['follow'] );
--$cnt;
}
if ( isset( $argv['group'] ) ) {
// Group given.
$group = $argv['group'];
unset( $argv['group'] );
--$cnt;
}
if ( $cnt === 0 ) {
return [ $key, $group, $follow, $dir ];
} else {
// Invalid key
return [ false, false, false, false ];
}
} else {
// No key
return [ null, $group, false, $dir ];
}
if ( isset( $argv['name'] ) && isset( $argv['follow'] ) ) {
return [ false, false, false, false ];
}
if ( isset( $argv['name'] ) ) {
// Key given.
$key = trim( $argv['name'] );
unset( $argv['name'] );
}
if ( isset( $argv['follow'] ) ) {
// Follow given.
$follow = trim( $argv['follow'] );
unset( $argv['follow'] );
}
if ( isset( $argv['group'] ) ) {
// Group given.
$group = $argv['group'];
unset( $argv['group'] );
}
if ( $argv !== [] ) {
// Invalid key
return [ false, false, false, false ];
}
return [ $key, $group, $follow, $dir ];
}
/**