Index: third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyEnumDescriptor.java |
diff --git a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyEnumDescriptor.java b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyEnumDescriptor.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4df832d0cfc95b719e7cbb64b42162a998a48734 |
--- /dev/null |
+++ b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyEnumDescriptor.java |
@@ -0,0 +1,185 @@ |
+/* |
+ * 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.Ruby; |
+import org.jruby.RubyClass; |
+import org.jruby.RubyModule; |
+import org.jruby.RubyObject; |
+import org.jruby.RubyNumeric; |
+import org.jruby.anno.JRubyClass; |
+import org.jruby.anno.JRubyMethod; |
+import org.jruby.runtime.Block; |
+import org.jruby.runtime.ObjectAllocator; |
+import org.jruby.runtime.ThreadContext; |
+import org.jruby.runtime.builtin.IRubyObject; |
+ |
+@JRubyClass(name = "EnumDescriptor", include = "Enumerable") |
+public class RubyEnumDescriptor extends RubyObject { |
+ public static void createRubyEnumDescriptor(Ruby runtime) { |
+ RubyModule mProtobuf = runtime.getClassFromPath("Google::Protobuf"); |
+ RubyClass cEnumDescriptor = mProtobuf.defineClassUnder("EnumDescriptor", runtime.getObject(), new ObjectAllocator() { |
+ @Override |
+ public IRubyObject allocate(Ruby runtime, RubyClass klazz) { |
+ return new RubyEnumDescriptor(runtime, klazz); |
+ } |
+ }); |
+ cEnumDescriptor.includeModule(runtime.getEnumerable()); |
+ cEnumDescriptor.defineAnnotatedMethods(RubyEnumDescriptor.class); |
+ } |
+ |
+ public RubyEnumDescriptor(Ruby runtime, RubyClass klazz) { |
+ super(runtime, klazz); |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.new => enum_descriptor |
+ * |
+ * Creates a new, empty, enum descriptor. Must be added to a pool before the |
+ * enum type can be used. The enum type may only be modified prior to adding to |
+ * a pool. |
+ */ |
+ @JRubyMethod |
+ public IRubyObject initialize(ThreadContext context) { |
+ this.builder = DescriptorProtos.EnumDescriptorProto.newBuilder(); |
+ return this; |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.name => name |
+ * |
+ * Returns the name of this enum type. |
+ */ |
+ @JRubyMethod(name = "name") |
+ public IRubyObject getName(ThreadContext context) { |
+ return this.name; |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.name = name |
+ * |
+ * Sets the name of this enum type. Cannot be called if the enum type has |
+ * already been added to a pool. |
+ */ |
+ @JRubyMethod(name = "name=") |
+ public IRubyObject setName(ThreadContext context, IRubyObject name) { |
+ this.name = name; |
+ this.builder.setName(Utils.escapeIdentifier(name.asJavaString())); |
+ return context.runtime.getNil(); |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.add_value(key, value) |
+ * |
+ * Adds a new key => value mapping to this enum type. Key must be given as a |
+ * Ruby symbol. Cannot be called if the enum type has already been added to a |
+ * pool. Will raise an exception if the key or value is already in use. |
+ */ |
+ @JRubyMethod(name = "add_value") |
+ public IRubyObject addValue(ThreadContext context, IRubyObject name, IRubyObject number) { |
+ DescriptorProtos.EnumValueDescriptorProto.Builder valueBuilder = DescriptorProtos.EnumValueDescriptorProto.newBuilder(); |
+ valueBuilder.setName(name.asJavaString()); |
+ valueBuilder.setNumber(RubyNumeric.num2int(number)); |
+ this.builder.addValue(valueBuilder); |
+ return context.runtime.getNil(); |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.each(&block) |
+ * |
+ * Iterates over key => value mappings in this enum's definition, yielding to |
+ * the block with (key, value) arguments for each one. |
+ */ |
+ @JRubyMethod |
+ public IRubyObject each(ThreadContext context, Block block) { |
+ Ruby runtime = context.runtime; |
+ for (Descriptors.EnumValueDescriptor enumValueDescriptor : descriptor.getValues()) { |
+ block.yield(context, runtime.newArray(runtime.newSymbol(enumValueDescriptor.getName()), |
+ runtime.newFixnum(enumValueDescriptor.getNumber()))); |
+ } |
+ return runtime.getNil(); |
+ } |
+ |
+ /* |
+ * call-seq: |
+ * EnumDescriptor.enummodule => module |
+ * |
+ * Returns the Ruby module corresponding to this enum type. Cannot be called |
+ * until the enum descriptor has been added to a pool. |
+ */ |
+ @JRubyMethod |
+ public IRubyObject enummodule(ThreadContext context) { |
+ if (this.klazz == null) { |
+ this.klazz = buildModuleFromDescriptor(context); |
+ } |
+ return this.klazz; |
+ } |
+ |
+ public void setDescriptor(Descriptors.EnumDescriptor descriptor) { |
+ this.descriptor = descriptor; |
+ } |
+ |
+ public Descriptors.EnumDescriptor getDescriptor() { |
+ return this.descriptor; |
+ } |
+ |
+ public DescriptorProtos.EnumDescriptorProto.Builder getBuilder() { |
+ return this.builder; |
+ } |
+ |
+ private RubyModule buildModuleFromDescriptor(ThreadContext context) { |
+ Ruby runtime = context.runtime; |
+ Utils.checkNameAvailability(context, name.asJavaString()); |
+ |
+ RubyModule enumModule = RubyModule.newModule(runtime); |
+ for (Descriptors.EnumValueDescriptor value : descriptor.getValues()) { |
+ enumModule.defineConstant(value.getName(), runtime.newFixnum(value.getNumber())); |
+ } |
+ |
+ enumModule.instance_variable_set(runtime.newString(Utils.DESCRIPTOR_INSTANCE_VAR), this); |
+ enumModule.defineAnnotatedMethods(RubyEnum.class); |
+ return enumModule; |
+ } |
+ |
+ private IRubyObject name; |
+ private RubyModule klazz; |
+ private Descriptors.EnumDescriptor descriptor; |
+ private DescriptorProtos.EnumDescriptorProto.Builder builder; |
+} |