diff options
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/java/java_enum.cc')
| -rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/java/java_enum.cc | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.cc deleted file mode 100644 index 5fc9b002fd..0000000000 --- a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum.cc +++ /dev/null @@ -1,347 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 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. - -// Author: kenton@google.com (Kenton Varda) -// Based on original Protocol Buffers design by -// Sanjay Ghemawat, Jeff Dean, and others. - -#include <map> -#include <string> - -#include <google/protobuf/compiler/java/java_context.h> -#include <google/protobuf/compiler/java/java_enum.h> -#include <google/protobuf/compiler/java/java_doc_comment.h> -#include <google/protobuf/compiler/java/java_helpers.h> -#include <google/protobuf/compiler/java/java_name_resolver.h> -#include <google/protobuf/io/printer.h> -#include <google/protobuf/descriptor.pb.h> -#include <google/protobuf/stubs/strutil.h> - -namespace google { -namespace protobuf { -namespace compiler { -namespace java { - -namespace { -bool EnumHasCustomOptions(const EnumDescriptor* descriptor) { - if (descriptor->options().unknown_fields().field_count() > 0) return true; - for (int i = 0; i < descriptor->value_count(); ++i) { - const EnumValueDescriptor* value = descriptor->value(i); - if (value->options().unknown_fields().field_count() > 0) return true; - } - return false; -} -} // namespace - -EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor, - bool immutable_api, - Context* context) - : descriptor_(descriptor), immutable_api_(immutable_api), - name_resolver_(context->GetNameResolver()) { - for (int i = 0; i < descriptor_->value_count(); i++) { - const EnumValueDescriptor* value = descriptor_->value(i); - const EnumValueDescriptor* canonical_value = - descriptor_->FindValueByNumber(value->number()); - - if (value == canonical_value) { - canonical_values_.push_back(value); - } else { - Alias alias; - alias.value = value; - alias.canonical_value = canonical_value; - aliases_.push_back(alias); - } - } -} - -EnumGenerator::~EnumGenerator() {} - -void EnumGenerator::Generate(io::Printer* printer) { - WriteEnumDocComment(printer, descriptor_); - printer->Print( - "public enum $classname$\n" - " implements com.google.protobuf.ProtocolMessageEnum {\n", - "classname", descriptor_->name()); - printer->Indent(); - - for (int i = 0; i < canonical_values_.size(); i++) { - map<string, string> vars; - vars["name"] = canonical_values_[i]->name(); - vars["index"] = SimpleItoa(canonical_values_[i]->index()); - vars["number"] = SimpleItoa(canonical_values_[i]->number()); - WriteEnumValueDocComment(printer, canonical_values_[i]); - if (canonical_values_[i]->options().deprecated()) { - printer->Print("@java.lang.Deprecated\n"); - } - printer->Print(vars, - "$name$($index$, $number$),\n"); - } - - if (SupportUnknownEnumValue(descriptor_->file())) { - printer->Print("UNRECOGNIZED(-1, -1),\n"); - } - - printer->Print( - ";\n" - "\n"); - - // ----------------------------------------------------------------- - - for (int i = 0; i < aliases_.size(); i++) { - map<string, string> vars; - vars["classname"] = descriptor_->name(); - vars["name"] = aliases_[i].value->name(); - vars["canonical_name"] = aliases_[i].canonical_value->name(); - WriteEnumValueDocComment(printer, aliases_[i].value); - printer->Print(vars, - "public static final $classname$ $name$ = $canonical_name$;\n"); - } - - for (int i = 0; i < descriptor_->value_count(); i++) { - map<string, string> vars; - vars["name"] = descriptor_->value(i)->name(); - vars["number"] = SimpleItoa(descriptor_->value(i)->number()); - WriteEnumValueDocComment(printer, descriptor_->value(i)); - printer->Print(vars, - "public static final int $name$_VALUE = $number$;\n"); - } - printer->Print("\n"); - - // ----------------------------------------------------------------- - - printer->Print( - "\n" - "public final int getNumber() {\n"); - if (SupportUnknownEnumValue(descriptor_->file())) { - printer->Print( - " if (index == -1) {\n" - " throw new java.lang.IllegalArgumentException(\n" - " \"Can't get the number of an unknown enum value.\");\n" - " }\n"); - } - printer->Print( - " return value;\n" - "}\n" - "\n" - "public static $classname$ valueOf(int value) {\n" - " switch (value) {\n", - "classname", descriptor_->name()); - printer->Indent(); - printer->Indent(); - - for (int i = 0; i < canonical_values_.size(); i++) { - printer->Print( - "case $number$: return $name$;\n", - "name", canonical_values_[i]->name(), - "number", SimpleItoa(canonical_values_[i]->number())); - } - - printer->Outdent(); - printer->Outdent(); - printer->Print( - " default: return null;\n" - " }\n" - "}\n" - "\n" - "public static com.google.protobuf.Internal.EnumLiteMap<$classname$>\n" - " internalGetValueMap() {\n" - " return internalValueMap;\n" - "}\n" - "private static final com.google.protobuf.Internal.EnumLiteMap<\n" - " $classname$> internalValueMap =\n" - " new com.google.protobuf.Internal.EnumLiteMap<$classname$>() {\n" - " public $classname$ findValueByNumber(int number) {\n" - " return $classname$.valueOf(number);\n" - " }\n" - " };\n" - "\n", - "classname", descriptor_->name()); - - // ----------------------------------------------------------------- - // Reflection - - if (HasDescriptorMethods(descriptor_)) { - printer->Print( - "public final com.google.protobuf.Descriptors.EnumValueDescriptor\n" - " getValueDescriptor() {\n" - " return getDescriptor().getValues().get(index);\n" - "}\n" - "public final com.google.protobuf.Descriptors.EnumDescriptor\n" - " getDescriptorForType() {\n" - " return getDescriptor();\n" - "}\n" - "public static final com.google.protobuf.Descriptors.EnumDescriptor\n" - " getDescriptor() {\n"); - - // TODO(kenton): Cache statically? Note that we can't access descriptors - // at module init time because it wouldn't work with descriptor.proto, but - // we can cache the value the first time getDescriptor() is called. - if (descriptor_->containing_type() == NULL) { - if (!MultipleJavaFiles(descriptor_->file(), immutable_api_)) { - printer->Print( - " return $file$.getDescriptor().getEnumTypes().get($index$);\n", - "file", name_resolver_->GetClassName(descriptor_->file(), - immutable_api_), - "index", SimpleItoa(descriptor_->index())); - } else { - printer->Indent(); - if (EnumHasCustomOptions(descriptor_)) { - // We need to load the immutable classes in order to parse custom - // options. However, since file level enums (no outer class) are - // shared by immutable code and mutable code, the immutable classes - // may not exist. So we try to use Java reflection to retrieve the - // descriptor from immutable classes. - printer->Print( - "try {\n" - " java.lang.Class immutableFileClass =\n" - " java.lang.Class.forName(\"$immutable_file_class_name$\");\n" - " @java.lang.SuppressWarnings(\"unchecked\")\n" - " java.lang.reflect.Method m =\n" - " immutableFileClass.getMethod(\"getDescriptor\");\n" - " com.google.protobuf.Descriptors.FileDescriptor file =\n" - " (com.google.protobuf.Descriptors.FileDescriptor)\n" - " m.invoke(immutableFileClass);\n" - " return file.getEnumTypes().get($index$);\n" - "} catch (Exception e) {\n" - // Immutable classes cannot be found. Proceed as if custom options - // don't exist. - "}\n", - "immutable_file_class_name", - name_resolver_->GetImmutableClassName(descriptor_->file()), - "index", SimpleItoa(descriptor_->index())); - } - printer->Print( - "return $immutable_package$.$descriptor_class$.$descriptor$\n" - " .getEnumTypes().get($index$);\n", - "immutable_package", FileJavaPackage(descriptor_->file(), true), - "descriptor_class", - name_resolver_->GetDescriptorClassName(descriptor_->file()), - "descriptor", "getDescriptor()", - "index", SimpleItoa(descriptor_->index())); - printer->Outdent(); - } - } else { - printer->Print( - " return $parent$.$descriptor$.getEnumTypes().get($index$);\n", - "parent", name_resolver_->GetClassName(descriptor_->containing_type(), - immutable_api_), - "descriptor", descriptor_->containing_type()->options() - .no_standard_descriptor_accessor() - ? "getDefaultInstance().getDescriptorForType()" - : "getDescriptor()", - "index", SimpleItoa(descriptor_->index())); - } - - printer->Print( - "}\n" - "\n" - "private static final $classname$[] VALUES = ", - "classname", descriptor_->name()); - - if (CanUseEnumValues()) { - // If the constants we are going to output are exactly the ones we - // have declared in the Java enum in the same order, then we can use - // the values() method that the Java compiler automatically generates - // for every enum. - printer->Print("values();\n"); - } else { - printer->Print( - "{\n" - " "); - for (int i = 0; i < descriptor_->value_count(); i++) { - printer->Print("$name$, ", - "name", descriptor_->value(i)->name()); - } - printer->Print( - "\n" - "};\n"); - } - - printer->Print( - "\n" - "public static $classname$ valueOf(\n" - " com.google.protobuf.Descriptors.EnumValueDescriptor desc) {\n" - " if (desc.getType() != getDescriptor()) {\n" - " throw new java.lang.IllegalArgumentException(\n" - " \"EnumValueDescriptor is not for this type.\");\n" - " }\n", - "classname", descriptor_->name()); - if (SupportUnknownEnumValue(descriptor_->file())) { - printer->Print( - " if (desc.getIndex() == -1) {\n" - " return UNRECOGNIZED;\n" - " }\n"); - } - printer->Print( - " return VALUES[desc.getIndex()];\n" - "}\n" - "\n"); - - printer->Print("private final int index;\n"); - } - - // ----------------------------------------------------------------- - - printer->Print( - "private final int value;\n\n" - "private $classname$(int index, int value) {\n", - "classname", descriptor_->name()); - if (HasDescriptorMethods(descriptor_)) { - printer->Print(" this.index = index;\n"); - } - printer->Print( - " this.value = value;\n" - "}\n"); - - printer->Print( - "\n" - "// @@protoc_insertion_point(enum_scope:$full_name$)\n", - "full_name", descriptor_->full_name()); - - printer->Outdent(); - printer->Print("}\n\n"); -} - -bool EnumGenerator::CanUseEnumValues() { - if (canonical_values_.size() != descriptor_->value_count()) { - return false; - } - for (int i = 0; i < descriptor_->value_count(); i++) { - if (descriptor_->value(i)->name() != canonical_values_[i]->name()) { - return false; - } - } - return true; -} - -} // namespace java -} // namespace compiler -} // namespace protobuf -} // namespace google |