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