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truffle/src/main/java/org/jruby/truffle/core/rope/RopeGuards.java
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/* | ||
* Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved. This | ||
* code is released under a tri EPL/GPL/LGPL license. You can use it, | ||
* redistribute it and/or modify it under the terms of the: | ||
* | ||
* Eclipse Public License version 1.0 | ||
* GNU General Public License version 2 | ||
* GNU Lesser General Public License version 2.1 | ||
*/ | ||
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package org.jruby.truffle.core.rope; | ||
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import com.oracle.truffle.api.object.DynamicObject; | ||
import org.jruby.truffle.language.RubyGuards; | ||
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import static org.jruby.truffle.core.rope.CodeRange.CR_7BIT; | ||
import static org.jruby.truffle.core.string.StringOperations.rope; | ||
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public class RopeGuards { | ||
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public static boolean isSingleByteString(Rope rope) { | ||
return rope.byteLength() == 1; | ||
} | ||
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public static boolean is7Bit(Rope rope) { | ||
return rope.getCodeRange() == CR_7BIT; | ||
} | ||
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public static boolean isRopeBuffer(Rope rope) { | ||
return rope instanceof RopeBuffer; | ||
} | ||
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protected boolean isRopeBuffer(DynamicObject string) { | ||
assert RubyGuards.isRubyString(string); | ||
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return rope(string) instanceof RopeBuffer; | ||
} | ||
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public static boolean isLeafRope(Rope rope) { | ||
return rope instanceof LeafRope; | ||
} | ||
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} |
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