blob: d4ae4a65bdddb7667042c0a82efeb9a05a10d155 (
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<?php
if ($argc !== 2) {
exit();
}
$file = file_get_contents($argv[1]);
if (strpos($file, 'androidx.annotation.IntDef') !== false) {
exit();
}
$file = str_replace('import androidx.annotation.Nullable;', 'import androidx.annotation.IntDef;'.PHP_EOL.
'import androidx.annotation.Nullable;'.PHP_EOL.
PHP_EOL.
'import java.lang.annotation.Retention;'.PHP_EOL.
'import java.lang.annotation.RetentionPolicy;'.PHP_EOL, $file);
preg_match_all('/public static class ([A-Za-z0-9]+) extends ([A-Za-z0-9]+)/', $file, $matches, PREG_SET_ORDER);
$children = [];
foreach ($matches as $val) {
if ($val[2] === 'Object') {
continue;
}
$children[$val[2]][] = ' '.$val[1].'.CONSTRUCTOR';
}
$file = preg_replace_callback('/public abstract static class ([A-Za-z0-9]+)(<R extends Object>)? extends Object [{]/',
function ($val) use ($children) {
$values = implode(','.PHP_EOL, $children[$val[1]]);
return $val[0].<<<EOL
/**
* Describes possible values returned by getConstructor().
*/
@Retention(RetentionPolicy.SOURCE)
@IntDef({
$values
})
public @interface Constructors {}
/**
* @return identifier uniquely determining type of the object.
*/
@Constructors
@Override
public abstract int getConstructor();
EOL;
},
$file);
file_put_contents($argv[1], $file);
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