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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// 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 <vector>
+
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/stubs/strutil.h>
+#include <google/protobuf/stubs/substitute.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+const char kThickSeparator[] =
+ "// ===================================================================\n";
+const char kThinSeparator[] =
+ "// -------------------------------------------------------------------\n";
+
+namespace {
+
+const char* kDefaultPackage = "";
+
+const string& FieldName(const FieldDescriptor* field) {
+ // Groups are hacky: The name of the field is just the lower-cased name
+ // of the group type. In Java, though, we would like to retain the original
+ // capitalization of the type name.
+ if (field->type() == FieldDescriptor::TYPE_GROUP) {
+ return field->message_type()->name();
+ } else {
+ return field->name();
+ }
+}
+
+string UnderscoresToCamelCaseImpl(const string& input, bool cap_next_letter) {
+ string result;
+ // Note: I distrust ctype.h due to locales.
+ for (int i = 0; i < input.size(); i++) {
+ if ('a' <= input[i] && input[i] <= 'z') {
+ if (cap_next_letter) {
+ result += input[i] + ('A' - 'a');
+ } else {
+ result += input[i];
+ }
+ cap_next_letter = false;
+ } else if ('A' <= input[i] && input[i] <= 'Z') {
+ if (i == 0 && !cap_next_letter) {
+ // Force first letter to lower-case unless explicitly told to
+ // capitalize it.
+ result += input[i] + ('a' - 'A');
+ } else {
+ // Capital letters after the first are left as-is.
+ result += input[i];
+ }
+ cap_next_letter = false;
+ } else if ('0' <= input[i] && input[i] <= '9') {
+ result += input[i];
+ cap_next_letter = true;
+ } else {
+ cap_next_letter = true;
+ }
+ }
+ return result;
+}
+
+} // namespace
+
+string UnderscoresToCamelCase(const FieldDescriptor* field) {
+ return UnderscoresToCamelCaseImpl(FieldName(field), false);
+}
+
+string UnderscoresToCapitalizedCamelCase(const FieldDescriptor* field) {
+ return UnderscoresToCamelCaseImpl(FieldName(field), true);
+}
+
+string UnderscoresToCamelCase(const MethodDescriptor* method) {
+ return UnderscoresToCamelCaseImpl(method->name(), false);
+}
+
+string StripProto(const string& filename) {
+ if (HasSuffixString(filename, ".protodevel")) {
+ return StripSuffixString(filename, ".protodevel");
+ } else {
+ return StripSuffixString(filename, ".proto");
+ }
+}
+
+string FileClassName(const FileDescriptor* file) {
+ if (file->options().has_java_outer_classname()) {
+ return file->options().java_outer_classname();
+ } else {
+ string basename;
+ string::size_type last_slash = file->name().find_last_of('/');
+ if (last_slash == string::npos) {
+ basename = file->name();
+ } else {
+ basename = file->name().substr(last_slash + 1);
+ }
+ return UnderscoresToCamelCaseImpl(StripProto(basename), true);
+ }
+}
+
+string FileJavaPackage(const FileDescriptor* file) {
+ if (file->options().has_java_package()) {
+ return file->options().java_package();
+ } else {
+ string result = kDefaultPackage;
+ if (!file->package().empty()) {
+ if (!result.empty()) result += '.';
+ result += file->package();
+ }
+ return result;
+ }
+}
+
+string ToJavaName(const string& full_name, const FileDescriptor* file) {
+ string result;
+ if (file->options().java_multiple_files()) {
+ result = FileJavaPackage(file);
+ } else {
+ result = ClassName(file);
+ }
+ if (!result.empty()) {
+ result += '.';
+ }
+ if (file->package().empty()) {
+ result += full_name;
+ } else {
+ // Strip the proto package from full_name since we've replaced it with
+ // the Java package.
+ result += full_name.substr(file->package().size() + 1);
+ }
+ return result;
+}
+
+string ClassName(const FileDescriptor* descriptor) {
+ string result = FileJavaPackage(descriptor);
+ if (!result.empty()) result += '.';
+ result += FileClassName(descriptor);
+ return result;
+}
+
+string FieldConstantName(const FieldDescriptor *field) {
+ string name = field->name() + "_FIELD_NUMBER";
+ UpperString(&name);
+ return name;
+}
+
+JavaType GetJavaType(FieldDescriptor::Type field_type) {
+ switch (field_type) {
+ case FieldDescriptor::TYPE_INT32:
+ case FieldDescriptor::TYPE_UINT32:
+ case FieldDescriptor::TYPE_SINT32:
+ case FieldDescriptor::TYPE_FIXED32:
+ case FieldDescriptor::TYPE_SFIXED32:
+ return JAVATYPE_INT;
+
+ case FieldDescriptor::TYPE_INT64:
+ case FieldDescriptor::TYPE_UINT64:
+ case FieldDescriptor::TYPE_SINT64:
+ case FieldDescriptor::TYPE_FIXED64:
+ case FieldDescriptor::TYPE_SFIXED64:
+ return JAVATYPE_LONG;
+
+ case FieldDescriptor::TYPE_FLOAT:
+ return JAVATYPE_FLOAT;
+
+ case FieldDescriptor::TYPE_DOUBLE:
+ return JAVATYPE_DOUBLE;
+
+ case FieldDescriptor::TYPE_BOOL:
+ return JAVATYPE_BOOLEAN;
+
+ case FieldDescriptor::TYPE_STRING:
+ return JAVATYPE_STRING;
+
+ case FieldDescriptor::TYPE_BYTES:
+ return JAVATYPE_BYTES;
+
+ case FieldDescriptor::TYPE_ENUM:
+ return JAVATYPE_ENUM;
+
+ case FieldDescriptor::TYPE_GROUP:
+ case FieldDescriptor::TYPE_MESSAGE:
+ return JAVATYPE_MESSAGE;
+
+ // No default because we want the compiler to complain if any new
+ // types are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return JAVATYPE_INT;
+}
+
+const char* BoxedPrimitiveTypeName(JavaType type) {
+ switch (type) {
+ case JAVATYPE_INT : return "java.lang.Integer";
+ case JAVATYPE_LONG : return "java.lang.Long";
+ case JAVATYPE_FLOAT : return "java.lang.Float";
+ case JAVATYPE_DOUBLE : return "java.lang.Double";
+ case JAVATYPE_BOOLEAN: return "java.lang.Boolean";
+ case JAVATYPE_STRING : return "java.lang.String";
+ case JAVATYPE_BYTES : return "com.google.protobuf.ByteString";
+ case JAVATYPE_ENUM : return NULL;
+ case JAVATYPE_MESSAGE: return NULL;
+
+ // No default because we want the compiler to complain if any new
+ // JavaTypes are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return NULL;
+}
+
+bool AllAscii(const string& text) {
+ for (int i = 0; i < text.size(); i++) {
+ if ((text[i] & 0x80) != 0) {
+ return false;
+ }
+ }
+ return true;
+}
+
+string DefaultValue(const FieldDescriptor* field) {
+ // Switch on cpp_type since we need to know which default_value_* method
+ // of FieldDescriptor to call.
+ switch (field->cpp_type()) {
+ case FieldDescriptor::CPPTYPE_INT32:
+ return SimpleItoa(field->default_value_int32());
+ case FieldDescriptor::CPPTYPE_UINT32:
+ // Need to print as a signed int since Java has no unsigned.
+ return SimpleItoa(static_cast<int32>(field->default_value_uint32()));
+ case FieldDescriptor::CPPTYPE_INT64:
+ return SimpleItoa(field->default_value_int64()) + "L";
+ case FieldDescriptor::CPPTYPE_UINT64:
+ return SimpleItoa(static_cast<int64>(field->default_value_uint64())) +
+ "L";
+ case FieldDescriptor::CPPTYPE_DOUBLE:
+ return SimpleDtoa(field->default_value_double()) + "D";
+ case FieldDescriptor::CPPTYPE_FLOAT:
+ return SimpleFtoa(field->default_value_float()) + "F";
+ case FieldDescriptor::CPPTYPE_BOOL:
+ return field->default_value_bool() ? "true" : "false";
+ case FieldDescriptor::CPPTYPE_STRING:
+ if (field->type() == FieldDescriptor::TYPE_BYTES) {
+ if (field->has_default_value()) {
+ // See comments in Internal.java for gory details.
+ return strings::Substitute(
+ "com.google.protobuf.Internal.bytesDefaultValue(\"$0\")",
+ CEscape(field->default_value_string()));
+ } else {
+ return "com.google.protobuf.ByteString.EMPTY";
+ }
+ } else {
+ if (AllAscii(field->default_value_string())) {
+ // All chars are ASCII. In this case CEscape() works fine.
+ return "\"" + CEscape(field->default_value_string()) + "\"";
+ } else {
+ // See comments in Internal.java for gory details.
+ return strings::Substitute(
+ "com.google.protobuf.Internal.stringDefaultValue(\"$0\")",
+ CEscape(field->default_value_string()));
+ }
+ }
+
+ case FieldDescriptor::CPPTYPE_ENUM:
+ return ClassName(field->enum_type()) + "." +
+ field->default_value_enum()->name();
+
+ case FieldDescriptor::CPPTYPE_MESSAGE:
+ return ClassName(field->message_type()) + ".getDefaultInstance()";
+
+ // No default because we want the compiler to complain if any new
+ // types are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return "";
+}
+
+} // namespace java
+} // namespace compiler
+} // namespace protobuf
+} // namespace google
generated by cgit v1.1 at 2024-05-20 11:57:52 +0000