Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyFieldDescriptor.java

Index: third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyFieldDescriptor.java
diff --git a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyFieldDescriptor.java b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyFieldDescriptor.java
deleted file mode 100644
index f3c488bc98666a2a99d45359a1a6e7fd01a84c9e..0000000000000000000000000000000000000000
--- a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyFieldDescriptor.java
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * Protocol Buffers - Google's data interchange format
- * Copyright 2014 Google Inc.  All rights reserved.
- * https://developers.google.com/protocol-buffers/
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package com.google.protobuf.jruby;
-
-import com.google.protobuf.DescriptorProtos;
-import com.google.protobuf.Descriptors;
-import org.jruby.*;
-import org.jruby.anno.JRubyClass;
-import org.jruby.anno.JRubyMethod;
-import org.jruby.runtime.ObjectAllocator;
-import org.jruby.runtime.ThreadContext;
-import org.jruby.runtime.builtin.IRubyObject;
-
-@JRubyClass(name = "FieldDescriptor")
-public class RubyFieldDescriptor extends RubyObject {
-    public static void createRubyFileDescriptor(Ruby runtime) {
-        RubyModule mProtobuf = runtime.getClassFromPath("Google::Protobuf");
-        RubyClass cFieldDescriptor = mProtobuf.defineClassUnder("FieldDescriptor", runtime.getObject(), new ObjectAllocator() {
-            @Override
-            public IRubyObject allocate(Ruby runtime, RubyClass klazz) {
-                return new RubyFieldDescriptor(runtime, klazz);
-            }
-        });
-        cFieldDescriptor.defineAnnotatedMethods(RubyFieldDescriptor.class);
-    }
-
-    public RubyFieldDescriptor(Ruby runtime, RubyClass klazz) {
-        super(runtime, klazz);
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.new => field
-     *
-     * Returns a new field descriptor. Its name, type, etc. must be set before it is
-     * added to a message type.
-     */
-    @JRubyMethod
-    public IRubyObject initialize(ThreadContext context) {
-        builder = DescriptorProtos.FieldDescriptorProto.newBuilder();
-        return this;
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.label
-     *
-     * Return the label of this field.
-     */
-    @JRubyMethod(name = "label")
-    public IRubyObject getLabel(ThreadContext context) {
-        return this.label;
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.label = label
-     *
-     * Sets the label on this field. Cannot be called if field is part of a message
-     * type already in a pool.
-     */
-    @JRubyMethod(name = "label=")
-    public IRubyObject setLabel(ThreadContext context, IRubyObject value) {
-        String labelName = value.asJavaString();
-        this.label = context.runtime.newSymbol(labelName.toLowerCase());
-        this.builder.setLabel(
-                DescriptorProtos.FieldDescriptorProto.Label.valueOf("LABEL_" + labelName.toUpperCase()));
-        return context.runtime.getNil();
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.name => name
-     *
-     * Returns the name of this field as a Ruby String, or nil if it is not set.
-     */
-    @JRubyMethod(name = "name")
-    public IRubyObject getName(ThreadContext context) {
-        return this.name;
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.name = name
-     *
-     * Sets the name of this field. Cannot be called once the containing message
-     * type, if any, is added to a pool.
-     */
-    @JRubyMethod(name = "name=")
-    public IRubyObject setName(ThreadContext context, IRubyObject value) {
-        String nameStr = value.asJavaString();
-        this.name = context.runtime.newString(nameStr);
-        this.builder.setName(Utils.escapeIdentifier(nameStr));
-        return context.runtime.getNil();
-    }
-
-
-    @JRubyMethod(name = "subtype")
-    public IRubyObject getSubType(ThreadContext context) {
-        return subType;
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.type => type
-     *
-     * Returns this field's type, as a Ruby symbol, or nil if not yet set.
-     *
-     * Valid field types are:
-     *     :int32, :int64, :uint32, :uint64, :float, :double, :bool, :string,
-     *     :bytes, :message.
-     */
-    @JRubyMethod(name = "type")
-    public IRubyObject getType(ThreadContext context) {
-        return Utils.fieldTypeToRuby(context, this.builder.getType());
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.type = type
-     *
-     * Sets this field's type. Cannot be called if field is part of a message type
-     * already in a pool.
-     */
-    @JRubyMethod(name = "type=")
-    public IRubyObject setType(ThreadContext context, IRubyObject value) {
-        this.builder.setType(DescriptorProtos.FieldDescriptorProto.Type.valueOf("TYPE_" + value.asJavaString().toUpperCase()));
-        return context.runtime.getNil();
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.number => number
-     *
-     * Returns this field's number, as a Ruby Integer, or nil if not yet set.
-     *
-     */
-    @JRubyMethod(name = "number")
-    public IRubyObject getnumber(ThreadContext context) {
-        return this.number;
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.number = number
-     *
-     * Sets the tag number for this field. Cannot be called if field is part of a
-     * message type already in a pool.
-     */
-    @JRubyMethod(name = "number=")
-    public IRubyObject setNumber(ThreadContext context, IRubyObject value) {
-        this.number = value;
-        this.builder.setNumber(RubyNumeric.num2int(value));
-        return context.runtime.getNil();
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.submsg_name = submsg_name
-     *
-     * Sets the name of the message or enum type corresponding to this field, if it
-     * is a message or enum field (respectively). This type name will be resolved
-     * within the context of the pool to which the containing message type is added.
-     * Cannot be called on field that are not of message or enum type, or on fields
-     * that are part of a message type already added to a pool.
-     */
-    @JRubyMethod(name = "submsg_name=")
-    public IRubyObject setSubmsgName(ThreadContext context, IRubyObject name) {
-        this.builder.setTypeName("." + Utils.escapeIdentifier(name.asJavaString()));
-        return context.runtime.getNil();
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.get(message) => value
-     *
-     * Returns the value set for this field on the given message. Raises an
-     * exception if message is of the wrong type.
-     */
-    @JRubyMethod(name = "get")
-    public IRubyObject getValue(ThreadContext context, IRubyObject msgRb) {
-        RubyMessage message = (RubyMessage) msgRb;
-        if (message.getDescriptor() != fieldDef.getContainingType()) {
-            throw context.runtime.newTypeError("set method called on wrong message type");
-        }
-        return message.getField(context, fieldDef);
-    }
-
-    /*
-     * call-seq:
-     *     FieldDescriptor.set(message, value)
-     *
-     * Sets the value corresponding to this field to the given value on the given
-     * message. Raises an exception if message is of the wrong type. Performs the
-     * ordinary type-checks for field setting.
-     */
-    @JRubyMethod(name = "set")
-    public IRubyObject setValue(ThreadContext context, IRubyObject msgRb, IRubyObject value) {
-        RubyMessage message = (RubyMessage) msgRb;
-        if (message.getDescriptor() != fieldDef.getContainingType()) {
-            throw context.runtime.newTypeError("set method called on wrong message type");
-        }
-        message.setField(context, fieldDef, value);
-        return context.runtime.getNil();
-    }
-
-    protected void setSubType(IRubyObject rubyDescriptor) {
-        this.subType = rubyDescriptor;
-    }
-
-    protected void setFieldDef(Descriptors.FieldDescriptor fieldDescriptor) {
-        this.fieldDef = fieldDescriptor;
-    }
-
-    protected void setOneofName(IRubyObject name) {
-        oneofName = name;
-    }
-
-    protected void setOneofIndex(int index) {
-        hasOneofIndex = true;
-        oneofIndex = index;
-    }
-
-    protected IRubyObject getOneofName() {
-        return oneofName;
-    }
-
-    protected Descriptors.FieldDescriptor getFieldDef() {
-        return fieldDef;
-    }
-
-    protected DescriptorProtos.FieldDescriptorProto build() {
-        if (hasOneofIndex)
-            builder.setOneofIndex(oneofIndex);
-        return this.builder.build();
-    }
-
-    private DescriptorProtos.FieldDescriptorProto.Builder builder;
-    private IRubyObject name;
-    private IRubyObject label;
-    private IRubyObject number;
-    private IRubyObject subType;
-    private IRubyObject oneofName;
-    private Descriptors.FieldDescriptor fieldDef;
-    private int oneofIndex;
-    private boolean hasOneofIndex = false;
-}